/* =========================================================================
   Kadim Kitap — main.css
   Sıra: tokens → base → components → homepage → responsive
   Tema: koyu sinematik — nötr siyah/füme zemin + Netflix kırmızısı vurgu,
   tamamı sans-serif (Outfit display + Manrope body).
   Degrade kuralı: renk geçişli degrade yok; yalnızca siyah→şeffaf overlay
   (hero/blog karartma) ve tek-renk kırmızı ışıma (hero glow) serbest.
   ========================================================================= */

/* ---------- 1. TOKENS ---------- */
:root {
  --bg: #0a0a0a;
  --bg-raised: #121212;
  --bg-card: #181818;
  --line: #262626;
  --text: #f5f5f4;
  --text-dim: #9e9e9e;
  --accent: #e50914;
  --accent-strong: #f6121d;
  --accent-rgb: 229, 9, 20;
  --accent-ink: #ffffff;
  --warn: #e8a13d; /* yalnızca durum çipleri için */
  --danger: #e05252;
  --accent-strong-rgb: 246, 18, 29;
  --danger-rgb: 224, 82, 82;
  --warn-rgb: 232, 161, 61;
  --danger-soft: #f08a8a;
  --success: #4fb477;
  --success-rgb: 79, 180, 119;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 32px rgba(0,0,0,.45);
  --scrim: rgba(0, 0, 0, .6);
  --font-display: "Outfit", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;

  --maxw: 1240px;
  --header-h: 68px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

/* ---------- 2. BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--accent); color: var(--accent-ink); }

:focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 2px; border-radius: 4px; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 56px 0; }
.eyebrow { font-family: var(--font-body); font-size: .74rem; letter-spacing: .22em; text-transform: uppercase; color: var(--accent-strong); font-weight: 700; margin: 0 0 10px; }
.muted { color: var(--text-dim); }
.display { font-family: var(--font-display); font-weight: 800; }

/* ---------- 3. COMPONENTS ---------- */

/* --- .btn --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; font-size: .95rem; letter-spacing: .01em;
  transition: transform .18s var(--ease), background .2s, box-shadow .2s, border-color .2s, color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 8px 22px rgba(var(--accent-rgb), .3); }
.btn--primary:hover { background: var(--accent-strong); box-shadow: 0 12px 30px rgba(var(--accent-strong-rgb), .4); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent-strong); }
.btn--block { width: 100%; }
.btn--lg { padding: 15px 30px; font-size: 1.02rem; }
.btn--sm { padding: 9px 16px; font-size: .85rem; }

/* --- .badge --- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: 999px;
  font-size: .72rem; font-weight: 800; letter-spacing: .03em; line-height: 1;
}
.badge--discount { background: var(--accent); color: var(--accent-ink); }
.badge--hot { background: rgba(var(--accent-rgb), .14); color: var(--accent-strong); border: 1px solid rgba(var(--accent-rgb), .45); }
.badge--new { background: rgba(var(--success-rgb),.16); color: var(--success); border: 1px solid rgba(var(--success-rgb),.4); }
.badge--editor { background: rgba(245,245,244,.1); color: var(--text); border: 1px solid var(--line); }
.badge--danger { background: rgba(var(--danger-rgb), .16); color: var(--danger-soft); border: 1px solid rgba(var(--danger-rgb), .4); }
/* durum çipleri (sipariş/stok durumu vb.) — --warn yalnızca burada kullanılır */
.badge--status { background: rgba(var(--warn-rgb), .14); color: var(--warn); border: 1px solid rgba(var(--warn-rgb), .4); }

/* --- stars --- */
.stars { display: inline-flex; letter-spacing: 1px; font-size: .82rem; }
.star { color: var(--line); }
.star--on { color: var(--accent-strong); }
.star--half { color: var(--line); background: linear-gradient(90deg, var(--accent-strong) 50%, var(--line) 50%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* --- .book-card --- */
.book-card { display: flex; flex-direction: column; }
.book-card__media {
  position: relative; aspect-ratio: 2 / 3; border-radius: var(--radius);
  overflow: hidden; background: var(--bg-card); border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s;
}
.book-card__link { display: block; height: 100%; }
.book-card__cover { width: 100%; height: 100%; object-fit: cover; }
.book-card:hover .book-card__media {
  transform: translateY(-8px);
  box-shadow: 0 20px 44px rgba(0,0,0,.65), 0 0 0 1px rgba(var(--accent-rgb), .45), 0 16px 50px rgba(var(--accent-rgb), .18);
  border-color: rgba(var(--accent-rgb), .5);
}
.book-card__badges { position: absolute; top: 10px; left: 10px; display: flex; flex-direction: column; gap: 6px; align-items: flex-start; z-index: 2; }
.book-card__quick {
  position: absolute; left: 12px; right: 12px; bottom: 12px; z-index: 3;
  opacity: 0; transform: translateY(12px); pointer-events: none;
  transition: opacity .24s var(--ease), transform .24s var(--ease);
  padding: 10px 14px; font-size: .86rem;
}
.book-card:hover .book-card__quick, .book-card:focus-within .book-card__quick { opacity: 1; transform: translateY(0); pointer-events: auto; }
.book-card__body { padding: 12px 2px 0; }
.book-card__title { font-size: 1.02rem; margin: 0 0 2px; line-height: 1.2; }
.book-card__title a:hover { color: var(--accent-strong); }
.book-card__author { color: var(--text-dim); font-size: .84rem; margin: 0 0 8px; }
.book-card__rating { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.book-card__count { color: var(--text-dim); font-size: .74rem; }
.book-card__price { display: flex; align-items: baseline; gap: 8px; }
.price { font-weight: 800; font-size: 1.06rem; color: var(--text); }
.price--old { text-decoration: line-through; color: var(--text-dim); font-weight: 600; font-size: .86rem; }
.price--sale { color: var(--accent-strong); font-weight: 800; font-size: 1.12rem; }

/* --- cover fallback (kırık ikon yerine; düz füme zemin) --- */
.cover-fallback {
  width: 100%; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center;
  gap: 8px; padding: 22px; text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--line);
}
.cover-fallback__mark { color: var(--accent); font-size: 1.3rem; opacity: .7; }
.cover-fallback__title { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--text); line-height: 1.2; }
.cover-fallback__author { font-size: .78rem; color: var(--text-dim); }

/* --- book-mini (asistan / cross-sell) --- */
.book-mini { display: flex; gap: 12px; padding: 8px; border-radius: var(--radius-sm); background: var(--bg-raised); border: 1px solid var(--line); transition: border-color .2s, transform .2s; }
.book-mini:hover { border-color: var(--accent); transform: translateX(2px); }
.book-mini__media { width: 44px; flex: none; aspect-ratio: 2/3; border-radius: 4px; overflow: hidden; background: var(--bg-card); }
.book-mini__media img, .book-mini__media .cover-fallback { width: 100%; height: 100%; object-fit: cover; }
.book-mini__media .cover-fallback { padding: 4px; }
.book-mini__media .cover-fallback__mark, .book-mini__media .cover-fallback__author { display: none; }
.book-mini__media .cover-fallback__title { font-size: .5rem; }
.book-mini__info { display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.book-mini__title { font-family: var(--font-display); font-weight: 600; font-size: .9rem; line-height: 1.15; }
.book-mini__author { font-size: .74rem; color: var(--text-dim); }
.book-mini__price { font-size: .82rem; font-weight: 800; color: var(--accent-strong); margin-top: 2px; }

/* --- .shelf --- */
.shelf { margin-bottom: 8px; }
.shelf__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.shelf__titles h2 { margin: 0; }
.shelf__titles p { margin: 4px 0 0; color: var(--text-dim); font-size: .92rem; }
.shelf__actions { display: flex; align-items: center; gap: 10px; flex: none; }
.shelf__all { color: var(--accent-strong); font-weight: 700; font-size: .9rem; white-space: nowrap; }
.shelf__all:hover { text-decoration: underline; text-underline-offset: 3px; }
.shelf__nav { width: 40px; height: 40px; border-radius: 50%; background: var(--bg-raised); border: 1px solid var(--line); color: var(--text); display: inline-flex; align-items: center; justify-content: center; font-size: 1.1rem; transition: border-color .2s, color .2s, background .2s; }
.shelf__nav:hover { border-color: var(--accent); color: var(--accent-strong); background: var(--bg-card); }
.shelf__track {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(180px, 1fr);
  gap: 22px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 6px 4px 22px; margin: 0 -4px;
  scrollbar-width: thin; scrollbar-color: var(--line) transparent;
}
.shelf__track::-webkit-scrollbar { height: 8px; }
.shelf__track::-webkit-scrollbar-thumb { background: var(--line); border-radius: 99px; }
.shelf__track > * { scroll-snap-align: start; }

/* --- .site-header --- */
.announce {
  background: rgba(var(--accent-rgb), .12);
  border-bottom: 1px solid rgba(var(--accent-rgb), .25);
  color: var(--text); font-size: .82rem; text-align: center; padding: 8px 16px; letter-spacing: .01em;
}
.announce strong { color: var(--accent-strong); }
.announce a { color: var(--accent-strong); font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(10,10,10,.72); border-bottom: 1px solid transparent; transition: background .3s, border-color .3s, backdrop-filter .3s; }
.site-header.is-scrolled { background: rgba(10,10,10,.88); backdrop-filter: blur(14px) saturate(140%); border-bottom-color: var(--line); }
.site-header__bar { display: flex; align-items: center; gap: 22px; height: var(--header-h); }
.logo { font-family: var(--font-display); font-weight: 800; font-size: 1.4rem; letter-spacing: -.02em; display: inline-flex; align-items: center; gap: 8px; flex: none; }
.logo__mark { color: var(--accent); font-size: 1rem; }
.logo b { font-weight: 800; }
.logo span { color: var(--accent); }

.site-search { flex: 1; max-width: 520px; position: relative; }
.site-search input { width: 100%; padding: 11px 16px 11px 42px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg-raised); color: var(--text); font-size: .92rem; transition: border-color .2s, background .2s; font-family: inherit; }
.site-search input::placeholder { color: var(--text-dim); }
.site-search input:focus { outline: none; border-color: var(--accent); background: var(--bg-card); }
.site-search__icon { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--text-dim); pointer-events: none; }

.site-header__actions { display: flex; align-items: center; gap: 6px; flex: none; }
.icon-btn { position: relative; display: inline-flex; align-items: center; gap: 8px; padding: 10px 12px; border-radius: 999px; color: var(--text); border: 1px solid transparent; transition: background .2s, border-color .2s, color .2s; font-weight: 600; font-size: .9rem; }
.icon-btn:hover { background: var(--bg-raised); border-color: var(--line); color: var(--accent-strong); }
[data-cart-badge] { position: absolute; top: 2px; right: 2px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-size: .68rem; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; line-height: 1; }
[data-cart-badge].is-empty { display: none; }

/* --- SVG icon utilities --- */
.svg-icon { width: 20px; height: 20px; vertical-align: -4px; flex-shrink: 0; }
.svg-icon--sm { width: 16px; height: 16px; vertical-align: -3px; }
.svg-icon--lg { width: 48px; height: 48px; vertical-align: 0; }
.account-nav__icon { margin-right: 6px; }

.nav-toggle { display: none; width: 42px; height: 42px; border-radius: var(--radius-sm); background: var(--bg-raised); border: 1px solid var(--line); color: var(--text); font-size: 1.2rem; align-items: center; justify-content: center; }

.site-nav { border-top: 1px solid var(--line); }
.site-nav__list { display: flex; gap: 4px; list-style: none; margin: 0; padding: 6px 0; overflow-x: auto; scrollbar-width: none; }
.site-nav__list::-webkit-scrollbar { display: none; }
.site-nav__list a { display: block; padding: 8px 14px; border-radius: 999px; font-size: .88rem; font-weight: 600; color: var(--text-dim); white-space: nowrap; transition: color .2s, background .2s; }
.site-nav__list a:hover { color: var(--text); background: var(--bg-raised); }

/* --- .site-footer --- */
.site-footer { background: var(--bg-raised); border-top: 1px solid var(--line); margin-top: 40px; padding: 56px 0 28px; }
.footer__top { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-bottom: 32px; margin-bottom: 36px; border-bottom: 1px solid var(--line); }
.footer__grid { display: grid; grid-template-columns: 1fr 1fr 1fr 1.4fr; gap: 40px; }
.footer__brand .logo { margin-bottom: 12px; }
.footer__brand p { color: var(--text-dim); font-size: .9rem; max-width: 42ch; margin: 0; }
.footer__col h4 { font-family: var(--font-body); font-size: .78rem; text-transform: uppercase; letter-spacing: .16em; color: var(--accent-strong); margin-bottom: 16px; }
.footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer__col a { color: var(--text-dim); font-size: .9rem; transition: color .2s; }
.footer__col a:hover { color: var(--text); }
.footer__news p { color: var(--text-dim); font-size: .9rem; margin-bottom: 14px; }
.footer__news form { display: flex; gap: 8px; }
.footer__news input { flex: 1; min-width: 0; padding: 11px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg-card); color: var(--text); font-size: .88rem; font-family: inherit; }
.footer__news input:focus { outline: none; border-color: var(--accent); }
.footer__social { display: flex; gap: 10px; }
.footer__social a { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); display: inline-flex; align-items: center; justify-content: center; color: var(--text-dim); transition: border-color .2s, color .2s, transform .2s; }
.footer__social a:hover { color: var(--accent-strong); border-color: var(--accent); transform: translateY(-2px); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--text-dim); font-size: .82rem; }
.footer__pay { display: flex; gap: 8px; align-items: center; }
.footer__pay span { padding: 4px 10px; border: 1px solid var(--line); border-radius: 6px; font-size: .72rem; font-weight: 700; letter-spacing: .04em; }

/* --- .assistant-widget --- */
.assistant-widget { position: fixed; right: 24px; bottom: 24px; z-index: 80; }
.assistant__fab {
  display: inline-flex; align-items: center; gap: 10px; padding: 13px 20px; border-radius: 999px; border: none;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 800; font-size: .92rem; box-shadow: 0 12px 34px rgba(var(--accent-rgb), .4);
  transition: transform .2s var(--ease), box-shadow .2s, background .2s;
}
.assistant__fab:hover { transform: translateY(-3px); background: var(--accent-strong); box-shadow: 0 16px 42px rgba(var(--accent-strong-rgb), .5); }
.assistant__fab-icon { font-size: 1.15rem; }
.assistant-widget.is-open { z-index: 90; }
.assistant-widget.is-open .assistant__fab { display: none; }
.assistant__panel {
  position: absolute; right: 0; bottom: 0; width: 380px; max-width: calc(100vw - 32px); height: 540px; max-height: calc(100vh - 48px);
  display: none; flex-direction: column; background: var(--bg-raised); border: 1px solid var(--line); border-radius: 18px;
  box-shadow: 0 30px 80px rgba(0,0,0,.6); overflow: hidden;
  animation: kkpop .28s var(--ease);
}
.assistant-widget.is-open .assistant__panel { display: flex; }
@keyframes kkpop { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: none; } }
.assistant__header { display: flex; align-items: center; gap: 12px; padding: 16px 18px; background: var(--bg-card); border-bottom: 1px solid var(--line); }
.assistant__avatar { width: 40px; height: 40px; border-radius: 50%; flex: none; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-family: var(--font-display); font-weight: 800; }
.assistant__title { font-family: var(--font-display); font-weight: 700; font-size: 1.02rem; line-height: 1.1; }
.assistant__sub { font-size: .72rem; color: var(--text-dim); }
.assistant__close { margin-left: auto; background: transparent; border: none; color: var(--text-dim); font-size: 1.3rem; line-height: 1; padding: 4px 8px; border-radius: 8px; transition: color .2s, background .2s; }
.assistant__close:hover { color: var(--text); background: var(--bg-raised); }
.assistant__log { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 14px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
.chat { display: flex; }
.chat--user { justify-content: flex-end; }
.chat--bot { flex-direction: column; align-items: flex-start; }
.chat__bubble { max-width: 84%; padding: 10px 14px; border-radius: 14px; font-size: .9rem; line-height: 1.5; }
.chat--bot .chat__bubble { background: var(--bg-card); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.chat--user .chat__bubble { background: var(--accent); color: var(--accent-ink); font-weight: 600; border-bottom-right-radius: 4px; }
.assistant__cards { display: grid; gap: 8px; margin-top: 10px; width: 100%; }
.assistant__form { display: flex; gap: 8px; padding: 14px; border-top: 1px solid var(--line); background: var(--bg-raised); }
.assistant__input { flex: 1; min-width: 0; padding: 11px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg-card); color: var(--text); font-size: .9rem; font-family: inherit; }
.assistant__input:focus { outline: none; border-color: var(--accent); }
.assistant__send { width: 44px; height: 44px; flex: none; border-radius: 50%; border: none; background: var(--accent); color: var(--accent-ink); font-size: 1.1rem; font-weight: 800; transition: transform .18s var(--ease), background .2s; }
.assistant__send:hover { transform: scale(1.06); background: var(--accent-strong); }

/* --- .toast --- */
.toast-host { position: fixed; top: 84px; right: 24px; z-index: 90; display: flex; flex-direction: column; gap: 10px; align-items: flex-end; }
.toast {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 12px;
  background: var(--bg-card); border: 1px solid rgba(var(--success-rgb),.4); box-shadow: var(--shadow-card);
  opacity: 0; transform: translateX(24px); transition: opacity .3s var(--ease), transform .3s var(--ease); max-width: 340px;
}
.toast.is-in { opacity: 1; transform: none; }
.toast__check { width: 22px; height: 22px; border-radius: 50%; background: var(--success); color: #0a0a0a; display: grid; place-items: center; font-size: .78rem; font-weight: 900; flex: none; }
.toast__msg { font-size: .88rem; }
.toast__link { color: var(--accent-strong); font-weight: 700; font-size: .84rem; white-space: nowrap; }

/* ---------- 4. HOMEPAGE ---------- */

/* --- hero --- */
.hero { position: relative; overflow: hidden; background: var(--bg-raised); border-bottom: 1px solid var(--line); }
.hero__viewport { position: relative; min-height: 520px; }
.hero__slide {
  position: absolute; inset: 0; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 40px;
  opacity: 0; visibility: hidden; transform: scale(1.02); transition: opacity .8s var(--ease), transform .8s var(--ease), visibility .8s;
  padding: 40px 0;
}
.hero__slide.is-active { opacity: 1; visibility: visible; transform: none; }
.hero__bg { position: absolute; inset: 0; z-index: -1; }
/* yalnızca siyah→şeffaf overlay */
.hero__bg::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(10,10,10,.92) 40%, rgba(10,10,10,0) 100%);
}
.hero__content { max-width: 560px; }
.hero__tag { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; background: rgba(var(--accent-rgb), .14); border: 1px solid rgba(var(--accent-rgb), .45); color: var(--accent-strong); font-weight: 800; font-size: .78rem; letter-spacing: .08em; margin-bottom: 20px; }
.hero__title { font-size: clamp(2.4rem, 5.4vw, 4rem); margin: 0 0 16px; }
.hero__sub { font-size: 1.12rem; color: var(--text); opacity: .88; margin: 0 0 28px; max-width: 46ch; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero__cta small { color: var(--text-dim); font-size: .82rem; }
.hero__art { position: relative; display: grid; place-items: center; perspective: 1400px; }
.hero__book {
  width: 260px; aspect-ratio: 2/3; border-radius: 12px; overflow: hidden;
  box-shadow: 0 40px 90px rgba(0,0,0,.7), 0 0 0 1px rgba(245,245,244,.12);
  transform: rotateY(-18deg) rotateX(6deg) rotate(2deg); transition: transform .5s var(--ease);
  background: var(--bg-card);
}
.hero__slide.is-active .hero__book { animation: kkfloat 6s ease-in-out infinite; }
@keyframes kkfloat { 0%,100% { transform: rotateY(-18deg) rotateX(6deg) rotate(2deg) translateY(0); } 50% { transform: rotateY(-14deg) rotateX(4deg) rotate(1deg) translateY(-14px); } }
.hero__book img, .hero__book .cover-fallback { width: 100%; height: 100%; object-fit: cover; }
/* tek renk kırmızı ışıma (renk geçişi yok, şeffafa açılır) */
.hero__glow { position: absolute; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(var(--accent-rgb), .25), transparent 65%); filter: blur(24px); z-index: -1; }
.hero__dots { position: absolute; left: 0; right: 0; bottom: 22px; display: flex; justify-content: center; gap: 10px; z-index: 4; }
.hero__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line); border: none; padding: 0; transition: background .3s, width .3s; }
.hero__dot.is-active { background: var(--accent); width: 26px; border-radius: 999px; }

/* --- category chips --- */
.chips { display: flex; gap: 12px; overflow-x: auto; padding: 4px 0 8px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: none; padding: 10px 18px; border-radius: 999px; background: var(--bg-raised); border: 1px solid var(--line); color: var(--text); font-weight: 600; font-size: .9rem; transition: border-color .2s, color .2s, transform .2s, background .2s; }
.chip:hover { border-color: var(--accent); color: var(--accent-strong); transform: translateY(-2px); background: var(--bg-card); }

/* --- campaign band --- */
.campaign-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.campaign-card {
  position: relative; padding: 30px 26px; border-radius: var(--radius); overflow: hidden;
  background: var(--bg-card); border: 1px solid var(--line);
  transition: border-color .25s, transform .25s; display: flex; flex-direction: column; min-height: 200px;
}
.campaign-card:hover { border-color: rgba(var(--accent-rgb), .5); transform: translateY(-4px); }
.campaign-card .badge { align-self: flex-start; margin-bottom: 14px; }
.campaign-card h3 { font-size: 1.5rem; margin: 0 0 8px; }
.campaign-card p { color: var(--text-dim); font-size: .94rem; margin: 0 0 auto; }
.campaign-card a { margin-top: 20px; align-self: flex-start; color: var(--accent-strong); font-weight: 700; }
.campaign-card a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* --- category showcase grid --- */
.cat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.cat-tile {
  position: relative; padding: 24px 20px; border-radius: var(--radius); min-height: 130px;
  background: var(--bg-card); border: 1px solid var(--line);
  display: flex; flex-direction: column; justify-content: space-between; overflow: hidden;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.cat-tile:hover { border-color: rgba(var(--accent-rgb), .5); transform: translateY(-4px); box-shadow: 0 16px 34px rgba(0,0,0,.4); }
.cat-tile__num { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: var(--accent); opacity: .7; }
.cat-tile__name { font-family: var(--font-display); font-weight: 700; font-size: 1.18rem; line-height: 1.15; margin-top: 20px; }
.cat-tile__arrow { position: absolute; right: 18px; bottom: 18px; color: var(--text-dim); transition: color .2s, transform .2s; }
.cat-tile:hover .cat-tile__arrow { color: var(--accent-strong); transform: translateX(4px); }

/* --- blog preview --- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card { border-radius: var(--radius); overflow: hidden; background: var(--bg-card); border: 1px solid var(--line); display: flex; flex-direction: column; transition: border-color .25s, transform .25s; }
.blog-card:hover { border-color: rgba(var(--accent-rgb), .5); transform: translateY(-4px); }
.blog-card__media { aspect-ratio: 16/10; overflow: hidden; background: var(--bg-raised); position: relative; }
/* siyah→şeffaf karartma overlay */
.blog-card__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,10,10,.65), rgba(10,10,10,0) 55%); }
.blog-card__media img, .blog-card__media .cover-fallback { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.blog-card:hover .blog-card__media img { transform: scale(1.05); }
.blog-card__body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.blog-card__date { font-size: .76rem; color: var(--accent-strong); letter-spacing: .06em; text-transform: uppercase; font-weight: 700; }
.blog-card__title { font-size: 1.22rem; margin: 8px 0 10px; line-height: 1.2; }
.blog-card:hover .blog-card__title { color: var(--accent-strong); }
.blog-card__excerpt { color: var(--text-dim); font-size: .9rem; margin: 0 0 16px; }
.blog-card__more { margin-top: auto; color: var(--accent-strong); font-weight: 700; font-size: .88rem; }

/* --- newsletter CTA block --- */
.news-cta { position: relative; overflow: hidden; border-radius: 22px; padding: 56px 40px; text-align: center; background: #121212; border: 1px solid #262626; }
.news-cta h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 8px auto 12px; max-width: 22ch; }
.news-cta p { color: var(--text-dim); max-width: 48ch; margin: 0 auto 26px; }
.news-cta strong { color: var(--accent-strong); }
.news-cta form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto; }
.news-cta input { flex: 1; min-width: 0; padding: 14px 18px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg-card); color: var(--text); font-size: .95rem; font-family: inherit; }
.news-cta input:focus { outline: none; border-color: var(--accent); }
.news-cta small { display: block; margin-top: 14px; color: var(--text-dim); font-size: .78rem; }

.section-head { text-align: center; max-width: 620px; margin: 0 auto 36px; }
.section-head h2 { margin: 0 0 8px; }
.section-head p { color: var(--text-dim); margin: 0; }

/* ---------- 5. RESPONSIVE ---------- */
@media (max-width: 1080px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .campaign-band { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .hero__slide { grid-template-columns: 1fr; text-align: center; }
  .hero__content { max-width: none; margin: 0 auto; }
  .hero__cta { justify-content: center; }
  .hero__art { order: -1; }
  .hero__book { width: 190px; }
  .hero__viewport { min-height: auto; }
  .hero__slide { position: relative; }
  .hero__slide:not(.is-active) { display: none; }
}

@media (max-width: 768px) {
  .section { padding: 40px 0; }
  .container { padding: 0 18px; }
  .nav-toggle { display: inline-flex; }
  .site-nav { position: fixed; inset: 0 0 0 auto; width: min(300px, 84vw); background: var(--bg-raised); border-left: 1px solid var(--line); border-top: none; transform: translateX(100%); transition: transform .3s var(--ease); z-index: 60; padding: 80px 18px 24px; overflow-y: auto; }
  body.nav-open .site-nav { transform: none; box-shadow: -20px 0 60px rgba(0,0,0,.5); }
  body.nav-open::after { content: ""; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 55; }
  .site-nav__list { flex-direction: column; gap: 2px; overflow: visible; }
  .site-nav__list a { padding: 12px 14px; font-size: 1rem; }
  .icon-btn__label, .site-search { display: none; }
  .site-header__bar { gap: 12px; }
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .shelf__track { grid-auto-columns: minmax(150px, 62vw); gap: 16px; }
  .assistant-widget { right: 14px; bottom: 14px; }
  .assistant__fab { padding: 12px 16px; }
  .toast-host { right: 14px; left: 14px; top: 74px; align-items: stretch; }
  .toast { max-width: none; }
}

@media (max-width: 480px) {
  .footer__grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .news-cta { padding: 40px 22px; }
  .news-cta form { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ---------- 6. CATEGORY PAGE ---------- */

.cat-page { display: grid; grid-template-columns: 260px 1fr; gap: 36px; align-items: start; padding: 40px 0 64px; }
.cat-page__sidebar { position: sticky; top: calc(var(--header-h) + 80px); }

/* filter toggle (mobile only) */
.filter-toggle { display: none; margin-bottom: 16px; gap: 8px; }

/* filter panel */
.filter-panel { background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.filter-panel__header { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.filter-panel__header h3 { font-family: var(--font-body); font-size: .72rem; font-weight: 700; margin: 0; letter-spacing: .18em; text-transform: uppercase; color: var(--text-dim); }
.filter-clear { background: none; border: none; color: var(--accent-strong); font-weight: 700; font-size: .78rem; cursor: pointer; padding: 4px 8px; border-radius: 6px; transition: background .2s; font-family: inherit; }
.filter-clear:hover { background: rgba(var(--accent-rgb), .1); }

.filter-section { padding: 14px 18px; border-bottom: 1px solid var(--line); }
.filter-section:last-child { border-bottom: none; }
.filter-section__label { font-family: var(--font-body); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; color: var(--text-dim); margin-bottom: 10px; display: block; }

/* category list in filter */
.filter-cats { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1px; }
.filter-cats li a { display: flex; align-items: center; justify-content: space-between; padding: 7px 10px; border-radius: var(--radius-sm); font-size: .88rem; color: var(--text-dim); transition: color .18s, background .18s; }
.filter-cats li a:hover { color: var(--text); background: var(--bg-card); }
.filter-cats li a.is-active { color: var(--accent-strong); background: rgba(var(--accent-rgb), .08); font-weight: 700; }
.filter-cats__count { font-size: .72rem; color: var(--text-dim); }

/* price range inputs */
.price-range-inputs { display: flex; gap: 8px; align-items: center; }
.price-range-inputs input { flex: 1; min-width: 0; padding: 8px 10px; background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--text); font-size: .84rem; font-family: inherit; transition: border-color .2s; }
.price-range-inputs input:focus { outline: none; border-color: var(--accent); }
.price-range-sep { color: var(--text-dim); font-size: .82rem; flex: none; }

/* publisher checkboxes */
.filter-checks { display: flex; flex-direction: column; gap: 7px; max-height: 196px; overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
.filter-checks::-webkit-scrollbar { width: 4px; }
.filter-checks::-webkit-scrollbar-thumb { background: var(--line); border-radius: 99px; }
.filter-check { display: flex; align-items: center; gap: 9px; cursor: pointer; font-size: .86rem; color: var(--text-dim); transition: color .18s; user-select: none; }
.filter-check:hover { color: var(--text); }
.filter-check input[type=checkbox] { accent-color: var(--accent); width: 14px; height: 14px; flex: none; cursor: pointer; }
.filter-check input:checked + span { color: var(--text); font-weight: 600; }

/* min rating radio */
.filter-rating { display: flex; flex-direction: column; gap: 4px; }
.filter-rating__opt { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: .86rem; color: var(--text-dim); padding: 5px 8px; border-radius: 6px; transition: color .18s, background .18s; user-select: none; }
.filter-rating__opt:hover { color: var(--text); background: var(--bg-card); }
.filter-rating__opt input[type=radio] { accent-color: var(--accent); cursor: pointer; }

/* result bar */
.result-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.result-bar__count { font-size: .88rem; color: var(--text-dim); }
.result-bar__count strong { color: var(--text); }
.result-bar__sort { display: flex; align-items: center; gap: 9px; }
.result-bar__sort label { font-size: .82rem; color: var(--text-dim); white-space: nowrap; }
.sort-select { padding: 8px 14px; background: var(--bg-raised); border: 1px solid var(--line); border-radius: 999px; color: var(--text); font-size: .86rem; font-family: inherit; cursor: pointer; transition: border-color .2s; appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%239e9e9e'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 30px; }
.sort-select:focus { outline: none; border-color: var(--accent); }

/* category heading on page */
.cat-heading { margin-bottom: 24px; }
.cat-heading h1 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin: 0 0 4px; }
.cat-heading p { color: var(--text-dim); font-size: .94rem; margin: 0; }

/* book grid 4-col */
.book-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px 16px; }

/* empty state */
.empty-state { text-align: center; padding: 60px 24px; }
.empty-state__icon { font-size: 2.8rem; margin-bottom: 14px; opacity: .38; }
.empty-state h2 { font-size: 1.36rem; margin-bottom: 8px; }
.empty-state p { color: var(--text-dim); margin-bottom: 22px; }

/* ---------- 7. BOOK DETAIL PAGE ---------- */

.book-detail { display: grid; grid-template-columns: 320px 1fr; gap: 52px; align-items: start; padding: 48px 0 60px; }

/* cover column */
.book-cover-col { position: sticky; top: calc(var(--header-h) + 24px); }
.book-cover-wrap { position: relative; display: flex; justify-content: center; }
.book-cover-glow {
  position: absolute; inset: -32px;
  background: radial-gradient(ellipse at center, rgba(var(--accent-rgb), .20) 0%, transparent 68%);
  filter: blur(30px); z-index: 0; pointer-events: none;
}
.book-cover-img {
  position: relative; z-index: 1; width: 100%; max-width: 280px; aspect-ratio: 2/3;
  border-radius: 12px; overflow: hidden;
  box-shadow: 0 32px 72px rgba(0,0,0,.65), 0 0 0 1px rgba(245,245,244,.1);
  background: var(--bg-card);
}
.book-cover-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.book-cover-img .cover-fallback { width: 100%; height: 100%; }

/* info column */
.book-info-col { min-width: 0; }
.book-detail__category { display: inline-flex; align-items: center; gap: 6px; color: var(--accent-strong); font-weight: 700; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 10px; transition: opacity .18s; }
.book-detail__category:hover { opacity: .75; }
.book-detail__title { font-size: clamp(1.6rem, 3vw, 2.5rem); margin: 0 0 10px; line-height: 1.08; }
.book-detail__meta { display: flex; flex-wrap: wrap; gap: 4px 18px; color: var(--text-dim); font-size: .88rem; margin-bottom: 14px; }
.book-detail__meta a { color: var(--text-dim); font-weight: 600; transition: color .18s; }
.book-detail__meta a:hover { color: var(--accent-strong); }
.book-detail__rating-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.book-detail__rating-num { font-weight: 800; font-size: .98rem; }
.book-detail__rating-anchor { color: var(--accent-strong); font-weight: 700; font-size: .84rem; transition: text-decoration .15s; }
.book-detail__rating-anchor:hover { text-decoration: underline; text-underline-offset: 3px; }

/* price block */
.book-detail__price-block { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.book-detail__price { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--text); line-height: 1; }
.book-detail__price--sale { color: var(--accent-strong); }
.book-detail__price-old { font-size: 1.1rem; text-decoration: line-through; color: var(--text-dim); font-weight: 600; }

/* scarcity */
.book-detail__scarcity { margin-bottom: 14px; }

/* shipping note */
.book-detail__shipping { font-size: .83rem; color: var(--text-dim); border-top: 1px solid var(--line); padding-top: 14px; margin-top: 4px; margin-bottom: 18px; }
.book-detail__shipping strong { color: var(--success); }

/* qty + cta */
.book-detail__actions { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.qty-row { display: flex; align-items: center; gap: 12px; }
.qty-label { font-size: .82rem; color: var(--text-dim); font-weight: 600; }
.qty-selector { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; background: var(--bg-raised); }
.qty-selector__btn { width: 36px; height: 36px; border: none; background: transparent; color: var(--text); font-size: 1.1rem; font-weight: 700; cursor: pointer; transition: background .18s, color .18s; display: inline-flex; align-items: center; justify-content: center; }
.qty-selector__btn:hover { background: var(--bg-card); color: var(--accent-strong); }
.qty-selector__val { min-width: 36px; text-align: center; font-weight: 700; font-size: .94rem; user-select: none; }
.book-detail__btns { display: flex; gap: 10px; }
.book-detail__btns .btn { flex: 1; }

/* tabs */
.detail-tabs { margin-top: 44px; border-top: 1px solid var(--line); }
.detail-tabs__nav { display: flex; gap: 0; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.detail-tabs__nav::-webkit-scrollbar { display: none; }
.detail-tab-btn {
  flex: none; padding: 13px 22px; background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--text-dim); font-family: var(--font-body); font-weight: 600; font-size: .92rem;
  cursor: pointer; margin-bottom: -1px; transition: color .18s, border-color .18s; white-space: nowrap;
}
.detail-tab-btn:hover { color: var(--text); }
.detail-tab-btn.is-active { color: var(--accent-strong); border-bottom-color: var(--accent-strong); }
.detail-tab-panel { display: none; padding: 28px 0; }
.detail-tab-panel.is-active { display: block; }
.detail-tab-panel > p { color: var(--text-dim); line-height: 1.82; max-width: 70ch; margin: 0; font-size: .96rem; }

/* künye table */
.kunye-table { width: 100%; border-collapse: collapse; }
.kunye-table tr { border-bottom: 1px solid var(--line); }
.kunye-table tr:last-child { border-bottom: none; }
.kunye-table th { text-align: left; width: 38%; padding: 12px 0; font-size: .82rem; color: var(--text-dim); font-weight: 600; font-family: var(--font-body); }
.kunye-table td { padding: 12px 0; font-size: .9rem; }
.kunye-table td a { color: var(--accent-strong); font-weight: 600; }
.kunye-table td a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* reviews */
.reviews-summary { display: flex; gap: 28px; align-items: flex-start; margin-bottom: 28px; flex-wrap: wrap; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.reviews-score { text-align: center; min-width: 88px; }
.reviews-score__num { font-family: var(--font-display); font-size: 3.6rem; font-weight: 800; line-height: 1; color: var(--accent-strong); }
.reviews-score__label { font-size: .78rem; color: var(--text-dim); margin-top: 4px; }
.reviews-score .stars { font-size: 1rem; letter-spacing: 2px; display: block; margin: 6px 0 0; }
.reviews-bars { flex: 1; min-width: 180px; display: flex; flex-direction: column; gap: 8px; justify-content: center; }
.reviews-bar { display: flex; align-items: center; gap: 10px; font-size: .78rem; }
.reviews-bar__label { width: 10px; text-align: right; color: var(--text-dim); flex: none; }
.reviews-bar__track { flex: 1; height: 5px; background: var(--line); border-radius: 99px; overflow: hidden; }
.reviews-bar__fill { height: 100%; background: var(--accent-strong); border-radius: 99px; }
.reviews-bar__count { width: 18px; text-align: right; color: var(--text-dim); flex: none; }
.reviews-list { display: flex; flex-direction: column; gap: 20px; }
.review-item { padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.review-item:last-child { border-bottom: none; padding-bottom: 0; }
.review-item__head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.review-item__avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--bg-card); border: 1px solid var(--line); display: grid; place-items: center; font-family: var(--font-display); font-weight: 800; font-size: .84rem; color: var(--accent-strong); flex: none; }
.review-item__name { font-weight: 700; font-size: .9rem; }
.review-item__date { font-size: .76rem; color: var(--text-dim); }
.review-item .stars { margin-left: auto; font-size: .78rem; }
.review-item__text { color: var(--text-dim); font-size: .9rem; line-height: 1.68; margin: 0; }

/* sticky buy bar */
.sticky-buy {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 85;
  background: rgba(10,10,10,.94); backdrop-filter: blur(18px) saturate(150%);
  border-top: 1px solid var(--line);
  padding: 10px 24px;
  display: flex; align-items: center; gap: 18px;
  transform: translateY(100%); transition: transform .3s var(--ease);
  pointer-events: none;
}
.sticky-buy.is-visible { transform: none; pointer-events: auto; }
.sticky-buy__cover { width: 40px; aspect-ratio: 2/3; border-radius: 5px; overflow: hidden; background: var(--bg-card); flex: none; }
.sticky-buy__cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sticky-buy__cover .cover-fallback { width: 100%; height: 100%; padding: 3px; }
.sticky-buy__cover .cover-fallback__mark, .sticky-buy__cover .cover-fallback__author { display: none; }
.sticky-buy__cover .cover-fallback__title { font-size: .4rem; }
.sticky-buy__info { flex: 1; min-width: 0; }
.sticky-buy__title { font-family: var(--font-display); font-weight: 700; font-size: .92rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sticky-buy__price { font-size: .84rem; color: var(--accent-strong); font-weight: 800; margin-top: 1px; }

/* ---------- 8. RESPONSIVE (category + book) ---------- */

@media (max-width: 1100px) {
  .book-grid { grid-template-columns: repeat(3, 1fr); }
  .book-detail { grid-template-columns: 260px 1fr; gap: 36px; }
}

@media (max-width: 860px) {
  .cat-page { grid-template-columns: 1fr; gap: 0; padding-top: 24px; }
  .cat-page__sidebar { position: static; margin-bottom: 20px; }
  .filter-toggle { display: inline-flex; }
  .filter-panel { display: none; }
  .filter-panel.is-open { display: block; }
  .book-detail { grid-template-columns: 1fr; gap: 28px; padding: 28px 0 48px; }
  .book-cover-col { position: static; }
  .book-cover-img { max-width: 200px; margin: 0 auto; }
  .book-cover-glow { display: none; }
}

@media (max-width: 768px) {
  .book-grid { grid-template-columns: repeat(2, 1fr); gap: 16px 10px; }
  .detail-tab-btn { padding: 11px 14px; font-size: .86rem; }
  .sticky-buy { padding: 10px 16px; gap: 12px; }
}

@media (max-width: 480px) {
  .book-detail__btns { flex-direction: column; }
  .reviews-summary { gap: 16px; }
}

/* ---------- 9. CART PAGE ---------- */

.cart-page {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 36px;
  align-items: start;
  padding: 40px 0 80px;
}
.cart-page__main { min-width: 0; }
.cart-page__aside { position: sticky; top: calc(var(--header-h) + 24px); }

.cart-page-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 24px;
  display: flex; align-items: center; gap: 14px;
}
.cart-count-chip {
  font-size: .78rem; font-weight: 700;
  padding: 4px 12px; border-radius: 999px;
  background: rgba(var(--accent-rgb), .12);
  border: 1px solid rgba(var(--accent-rgb), .35);
  color: var(--accent-strong);
}

/* shipping progress bar */
.shipping-bar {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 18px; margin-bottom: 20px;
}
.shipping-bar__label { font-size: .84rem; color: var(--text-dim); margin-bottom: 10px; }
.shipping-bar__label strong { color: var(--text); }
.shipping-bar__free { color: var(--success); font-weight: 700; }
.shipping-bar__track { height: 6px; background: var(--line); border-radius: 99px; overflow: hidden; }
.shipping-bar__fill { height: 100%; background: var(--success); border-radius: 99px; transition: width .5s var(--ease); }

/* cart rows */
.cart-items { display: flex; flex-direction: column; }
.cart-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 16px; align-items: center;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}
.cart-row:first-child { border-top: 1px solid var(--line); }
.cart-row__cover {
  width: 72px; aspect-ratio: 2/3;
  border-radius: 8px; overflow: hidden;
  background: var(--bg-card); flex: none;
  box-shadow: 0 4px 14px rgba(0,0,0,.4);
}
.cart-row__cover img,
.cart-row__cover .cover-fallback { width: 100%; height: 100%; object-fit: cover; }
.cart-row__cover .cover-fallback { padding: 6px; }
.cart-row__cover .cover-fallback__mark,
.cart-row__cover .cover-fallback__author { display: none; }
.cart-row__cover .cover-fallback__title { font-size: .48rem; }
.cart-row__info { min-width: 0; }
.cart-row__title {
  font-family: var(--font-display); font-weight: 700; font-size: .97rem;
  line-height: 1.2; margin-bottom: 3px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cart-row__title a:hover { color: var(--accent-strong); }
.cart-row__author { font-size: .8rem; color: var(--text-dim); margin-bottom: 8px; }
.cart-row__unit { font-size: .79rem; color: var(--text-dim); }
.cart-row__right { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.cart-row__total { font-family: var(--font-display); font-weight: 800; font-size: 1.05rem; white-space: nowrap; }
.cart-row__actions { display: flex; align-items: center; gap: 8px; }

/* qty stepper (cart) */
.qty-stepper {
  display: inline-flex; align-items: center;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--bg-raised); overflow: hidden;
}
.qty-stepper__btn {
  width: 32px; height: 32px; border: none; background: transparent;
  color: var(--text); font-size: 1rem; font-weight: 700; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .18s, color .18s;
}
.qty-stepper__btn:hover { background: var(--bg-card); color: var(--accent-strong); }
.qty-stepper__val { min-width: 28px; text-align: center; font-weight: 700; font-size: .88rem; user-select: none; }
.cart-row__remove {
  background: none; border: none; color: var(--text-dim); font-size: .78rem;
  cursor: pointer; padding: 4px 8px; border-radius: 6px; font-family: inherit;
  transition: color .18s, background .18s;
}
.cart-row__remove:hover { color: var(--danger); background: rgba(var(--danger-rgb), .1); }

/* coupon */
.coupon-block { margin-top: 20px; }
.coupon-block__label {
  font-size: .76rem; font-weight: 700; color: var(--text-dim);
  letter-spacing: .12em; text-transform: uppercase; margin-bottom: 10px; display: block;
}
.coupon-form { display: flex; gap: 8px; }
.coupon-input {
  flex: 1; min-width: 0; padding: 11px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--bg-raised); color: var(--text);
  font-size: .9rem; font-family: inherit; letter-spacing: .08em; text-transform: uppercase;
  transition: border-color .2s;
}
.coupon-input:focus { outline: none; border-color: var(--accent); }
.coupon-input.is-error { border-color: var(--danger); }
.coupon-input.is-valid { border-color: var(--success); }
.coupon-msg { margin-top: 8px; font-size: .82rem; display: none; }
.coupon-msg.is-error { display: block; color: var(--danger); }
.coupon-msg.is-valid { display: block; color: var(--success); font-weight: 600; }
.coupon-applied {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px; border-radius: 999px;
  background: rgba(var(--success-rgb),.1); border: 1px solid rgba(var(--success-rgb),.3);
  font-size: .8rem; color: var(--success); font-weight: 700;
}
.coupon-applied__remove {
  background: none; border: none; color: var(--success); font-size: .92rem;
  cursor: pointer; padding: 0 2px; line-height: 1; transition: color .15s;
}
.coupon-applied__remove:hover { color: var(--danger); }

/* cart summary card */
.cart-summary { background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.cart-summary__title {
  font-size: .72rem; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--text-dim); margin-bottom: 18px;
}
.cart-summary__lines { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.cart-summary__line { display: flex; justify-content: space-between; align-items: center; font-size: .9rem; }
.cart-summary__line--label { color: var(--text-dim); }
.cart-summary__line--value { font-weight: 600; }
.cart-summary__divider { height: 1px; background: var(--line); margin: 14px 0; }
.cart-summary__total { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 20px; }
.cart-summary__total-label { font-weight: 700; font-size: 1rem; }
.cart-summary__total-val { font-family: var(--font-display); font-weight: 800; font-size: 1.6rem; }

/* empty cart */
.cart-empty-wrap { padding: 80px 0; text-align: center; }
.cart-empty-icon { font-size: 3.5rem; margin-bottom: 16px; opacity: .22; line-height: 1; }
.cart-empty-wrap h2 { margin-bottom: 8px; }
.cart-empty-wrap p { color: var(--text-dim); margin-bottom: 24px; }

/* ---------- 10. CHECKOUT PAGE ---------- */

.checkout-page {
  display: grid; grid-template-columns: 1fr 380px;
  gap: 36px; align-items: start; padding: 40px 0 80px;
}
.checkout-page__main { min-width: 0; }
.checkout-page__aside { position: sticky; top: calc(var(--header-h) + 24px); }

/* visual stepper */
.checkout-stepper {
  display: flex; align-items: flex-start;
  background: var(--bg-raised); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px 24px; margin-bottom: 24px;
}
.stepper-step {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  flex: 1; position: relative;
}
.stepper-step:not(:last-child)::after {
  content: ""; position: absolute;
  top: 15px; left: 50%; width: 100%; height: 1px;
  background: var(--line); z-index: 0;
}
.stepper-step.is-active:not(:last-child)::after,
.stepper-step.is-done:not(:last-child)::after { background: var(--accent); }
.stepper-num {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--bg-card); border: 1px solid var(--line);
  display: grid; place-items: center;
  font-weight: 800; font-size: .82rem; color: var(--text-dim);
  position: relative; z-index: 1; transition: background .3s, border-color .3s, color .3s;
}
.stepper-step.is-active .stepper-num { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.stepper-step.is-done .stepper-num { background: var(--success); border-color: var(--success); color: #0a0a0a; }
.stepper-label { font-size: .72rem; font-weight: 700; color: var(--text-dim); text-align: center; }
.stepper-step.is-active .stepper-label { color: var(--text); }
.stepper-step.is-done .stepper-label { color: var(--success); }

/* checkout section blocks */
.checkout-section { background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 16px; overflow: hidden; }
.checkout-section__header {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 20px; border-bottom: 1px solid var(--line); background: var(--bg-card);
}
.checkout-section__num {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center; font-size: .78rem; font-weight: 800; flex: none;
}
.checkout-section__title { font-family: var(--font-display); font-weight: 700; font-size: .98rem; margin: 0; }
.checkout-section__body { padding: 20px; }

/* address radio cards */
.address-cards { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }
.address-card { display: block; position: relative; cursor: pointer; }
.address-card input[type=radio] { position: absolute; opacity: 0; width: 0; height: 0; }
.address-card__inner {
  display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: start;
  padding: 14px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--bg-card);
  transition: border-color .2s, background .2s;
}
.address-card input:checked + .address-card__inner { border-color: var(--accent); background: rgba(var(--accent-rgb), .06); }
.address-radio-dot {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--line); background: var(--bg-raised);
  flex: none; margin-top: 3px;
  transition: border-color .2s, background .2s;
  display: grid; place-items: center;
}
.address-card input:checked + .address-card__inner .address-radio-dot { border-color: var(--accent); background: var(--accent); }
.address-card input:checked + .address-card__inner .address-radio-dot::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent-ink); }
.address-card__label { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--accent-strong); margin-bottom: 2px; }
.address-card__name { font-weight: 700; font-size: .92rem; margin-bottom: 2px; }
.address-card__full { font-size: .82rem; color: var(--text-dim); line-height: 1.5; }

/* new address form */
.new-addr-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--accent-strong); font-weight: 700; font-size: .86rem;
  cursor: pointer; background: none; border: none; font-family: inherit;
  padding: 6px 0; transition: opacity .18s;
}
.new-addr-toggle:hover { opacity: .78; }
.new-addr-form { display: none; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.new-addr-form.is-open { display: block; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid--full { grid-column: 1 / -1; }
.form-field { display: flex; flex-direction: column; gap: 5px; }
.form-field label { font-size: .74rem; font-weight: 700; color: var(--text-dim); letter-spacing: .08em; text-transform: uppercase; }
.form-input {
  padding: 10px 13px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--bg-card);
  color: var(--text); font-size: .9rem; font-family: inherit; transition: border-color .2s;
}
.form-input:focus { outline: none; border-color: var(--accent); }
.form-input::placeholder { color: var(--text-dim); }

/* billing toggle */
.billing-toggle-row {
  display: flex; align-items: center; gap: 12px;
  margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line);
  cursor: pointer; user-select: none;
}
.billing-toggle-row label { font-size: .9rem; font-weight: 600; cursor: pointer; }
.toggle-switch {
  width: 40px; height: 22px; border-radius: 999px; background: var(--line);
  position: relative; transition: background .25s; flex: none; cursor: pointer;
}
.toggle-switch::after {
  content: ""; position: absolute;
  width: 16px; height: 16px; border-radius: 50%; background: var(--text);
  top: 3px; left: 3px; transition: transform .25s;
}
.toggle-switch.is-on { background: var(--accent); }
.toggle-switch.is-on::after { transform: translateX(18px); }
.billing-section { margin-top: 12px; display: none; }
.billing-section.is-open { display: block; }

/* shipping options */
.shipping-options { display: flex; flex-direction: column; gap: 10px; }
.shipping-option { display: block; position: relative; cursor: pointer; }
.shipping-option input[type=radio] { position: absolute; opacity: 0; width: 0; height: 0; }
.shipping-option__inner {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--bg-card);
  transition: border-color .2s, background .2s;
}
.shipping-option input:checked + .shipping-option__inner { border-color: var(--accent); background: rgba(var(--accent-rgb), .06); }
.shipping-option__radio {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--line); background: var(--bg-raised);
  flex: none; display: grid; place-items: center; transition: border-color .2s, background .2s;
}
.shipping-option input:checked + .shipping-option__inner .shipping-option__radio { border-color: var(--accent); background: var(--accent); }
.shipping-option input:checked + .shipping-option__inner .shipping-option__radio::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent-ink); }
.shipping-option__info { flex: 1; }
.shipping-option__name { font-weight: 700; font-size: .92rem; }
.shipping-option__eta { font-size: .78rem; color: var(--text-dim); }
.shipping-option__price { font-weight: 800; font-size: .95rem; white-space: nowrap; }
.shipping-option__price.is-free { color: var(--success); }

/* payment form */
.payment-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.card-input-wrap { position: relative; }
.card-type-badge {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font-size: .66rem; font-weight: 800; letter-spacing: .05em;
  padding: 2px 7px; border-radius: 4px;
  background: var(--bg-raised); border: 1px solid var(--line); color: var(--text-dim);
  pointer-events: none; transition: border-color .2s; display: none;
}
.card-type-badge.visa  { display: inline; color: var(--text); border-color: var(--line); background: var(--bg-card); }
.card-type-badge.mc   { display: inline; color: var(--text); border-color: var(--line); background: var(--bg-card); }
.card-type-badge.troy { display: inline; color: var(--text); border-color: var(--line); background: var(--bg-card); }
.card-type-badge.amex { display: inline; color: var(--text); border-color: var(--line); background: var(--bg-card); }

.iyzico-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 13px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--bg-card);
  font-size: .8rem; color: var(--text-dim); margin: 14px 0 12px;
}
.iyzico-badge__lock { color: var(--success); }
.iyzico-badge strong { color: var(--text); }

/* installments */
.installment-opts { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.installment-opt { display: block; cursor: pointer; flex: 1; min-width: 80px; position: relative; }
.installment-opt input { position: absolute; opacity: 0; width: 0; height: 0; }
.installment-opt__inner {
  text-align: center; padding: 10px 8px;
  border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--bg-card);
  font-size: .82rem; font-weight: 700; transition: border-color .2s, background .2s;
}
.installment-opt__inner span { display: block; font-size: .7rem; font-weight: 600; color: var(--text-dim); margin-top: 2px; }
.installment-opt input:checked + .installment-opt__inner { border-color: var(--accent); background: rgba(var(--accent-rgb), .07); color: var(--accent-strong); }
.installment-opt input:checked + .installment-opt__inner span { color: var(--accent-strong); opacity: .8; }

/* agreements */
.agreements { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.agreement-check { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; font-size: .84rem; line-height: 1.5; }
.agreement-check input[type=checkbox] { accent-color: var(--accent); width: 16px; height: 16px; flex: none; margin-top: 2px; cursor: pointer; }
.agreement-check a { color: var(--accent-strong); font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }
.checkout-submit-wrap { margin-top: 20px; }
#btn-complete:disabled { opacity: .45; cursor: not-allowed; transform: none !important; }

/* checkout summary panel */
.checkout-summary { background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.checkout-summary__title { font-size: .72rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 14px; }
.checkout-summary__items { display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px; }
.checkout-summary__item { display: flex; gap: 12px; align-items: center; }
.checkout-summary__item-cover { width: 40px; aspect-ratio: 2/3; border-radius: 5px; overflow: hidden; background: var(--bg-card); flex: none; }
.checkout-summary__item-cover img,
.checkout-summary__item-cover .cover-fallback { width: 100%; height: 100%; object-fit: cover; }
.checkout-summary__item-cover .cover-fallback { padding: 3px; }
.checkout-summary__item-cover .cover-fallback__mark,
.checkout-summary__item-cover .cover-fallback__author { display: none; }
.checkout-summary__item-cover .cover-fallback__title { font-size: .4rem; }
.checkout-summary__item-info { flex: 1; min-width: 0; }
.checkout-summary__item-title { font-size: .86rem; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.checkout-summary__item-qty { font-size: .74rem; color: var(--text-dim); }
.checkout-summary__item-price { font-size: .88rem; font-weight: 800; white-space: nowrap; }
.checkout-summary__lines { display: flex; flex-direction: column; gap: 9px; margin-bottom: 14px; }
.checkout-summary__line { display: flex; justify-content: space-between; font-size: .88rem; }
.checkout-summary__line--label { color: var(--text-dim); }
.checkout-summary__line--value { font-weight: 600; }
.checkout-summary__divider { height: 1px; background: var(--line); margin: 12px 0; }
.checkout-summary__total { display: flex; justify-content: space-between; align-items: baseline; }
.checkout-summary__total-label { font-weight: 700; }
.checkout-summary__total-val { font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; }

/* ---------- 11. ORDER SUCCESS PAGE ---------- */

.success-page { max-width: 640px; margin: 0 auto; padding: 60px 0 80px; text-align: center; }

/* CSS check animation — marka kırmızısı, degrade yok */
.success-check-wrap { display: flex; justify-content: center; margin-bottom: 28px; }
.success-check-circle {
  width: 96px; height: 96px; border-radius: 50%;
  background: var(--bg-raised); border: 3px solid var(--accent);
  display: flex; align-items: center; justify-content: center; position: relative;
  animation: kk-circle-in .5s var(--ease) both;
}
.success-check-circle.is-animated {
  animation: kk-circle-in .5s var(--ease) both, kk-pulse 1.5s ease-out .55s;
}
@keyframes kk-circle-in { from { transform: scale(.55); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes kk-pulse { 0% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), .45); } 70% { box-shadow: 0 0 0 32px rgba(var(--accent-rgb), 0); } 100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0); } }

/* CSS-drawn checkmark — no gradient */
.success-check { width: 44px; height: 44px; position: relative; animation: kk-check-in .38s var(--ease) .42s both; }
@keyframes kk-check-in { from { opacity: 0; transform: scale(.4); } to { opacity: 1; transform: none; } }
.success-check::before,
.success-check::after { content: ""; position: absolute; background: var(--accent); border-radius: 3px; transform-origin: left center; }
.success-check::before { width: 14px; height: 4px; bottom: 12px; left: 6px; transform: rotate(45deg); }
.success-check::after  { width: 26px; height: 4px; bottom: 14px; left: 12px; transform: rotate(-52deg); }

.success-page h1 { margin-bottom: 8px; font-size: clamp(1.8rem, 4vw, 2.5rem); }
.success-order-no {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 18px; border-radius: 999px;
  background: rgba(var(--accent-rgb), .1); border: 1px solid rgba(var(--accent-rgb), .3);
  color: var(--accent-strong); font-family: var(--font-display); font-weight: 800; font-size: 1.1rem;
  margin-bottom: 12px;
}
.success-eta { font-size: .9rem; color: var(--text-dim); margin-bottom: 32px; }
.success-eta strong { color: var(--text); }
.success-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 56px; }
.success-shelf .shelf__head { margin-bottom: 20px; }

/* ---------- 12. CART + CHECKOUT RESPONSIVE ---------- */
@media (max-width: 1000px) {
  .cart-page { grid-template-columns: 1fr 340px; gap: 24px; }
  .checkout-page { grid-template-columns: 1fr 340px; gap: 24px; }
}
@media (max-width: 820px) {
  .cart-page { grid-template-columns: 1fr; }
  .cart-page__aside { position: static; }
  .checkout-page { grid-template-columns: 1fr; }
  .checkout-page__aside { position: static; order: -1; }
  .checkout-stepper { padding: 14px 16px; }
  .payment-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .cart-row { grid-template-columns: 60px 1fr; gap: 12px; }
  .cart-row__right { grid-column: 1 / -1; flex-direction: row; align-items: center; justify-content: space-between; }
  .success-page { padding: 40px 0 60px; }
  .success-ctas { flex-direction: column; align-items: center; }
}

/* ---------- 13. AUTH PAGES (login, register) ---------- */

.auth-page-wrap { padding: 40px 0 60px; }

.auth-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 680px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

/* left decorative panel */
.auth-split__deco {
  background: var(--bg-raised);
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-right: 1px solid var(--line);
}
/* subtle accent glow behind books */
.auth-split__deco::before {
  content: "";
  position: absolute;
  bottom: -60px; right: -60px;
  width: 340px; height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), .14), transparent 65%);
  filter: blur(40px);
  pointer-events: none;
}

.auth-deco__eyebrow { margin-bottom: 14px; }
.auth-deco__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 800;
  line-height: 1.08;
  margin: 0 0 16px;
}
.auth-deco__sub {
  color: var(--text-dim);
  font-size: .98rem;
  line-height: 1.72;
  margin: 0 0 36px;
  max-width: 36ch;
}

/* 4-cover collage grid */
.auth-books {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 300px;
}
.auth-book-cover {
  aspect-ratio: 2/3;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(0,0,0,.45);
  transition: transform .3s var(--ease);
}
.auth-book-cover img, .auth-book-cover .cover-fallback {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.auth-book-cover .cover-fallback { padding: 8px; }
.auth-book-cover .cover-fallback__author { display: none; }
.auth-book-cover .cover-fallback__title { font-size: .6rem; }
.auth-book-cover:nth-child(1) { transform: rotate(-4deg) translateY(10px); }
.auth-book-cover:nth-child(2) { transform: rotate(3deg); }
.auth-book-cover:nth-child(3) { transform: rotate(2deg); }
.auth-book-cover:nth-child(4) { transform: rotate(-3deg) translateY(-8px); }

/* right form panel */
.auth-split__form {
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 56px 48px;
}
.auth-card { width: 100%; max-width: 420px; }
.auth-card__logo { margin-bottom: 32px; display: block; }
.auth-card h2 { font-size: 1.8rem; margin: 0 0 6px; }
.auth-card__sub { color: var(--text-dim); margin: 0 0 28px; font-size: .94rem; line-height: 1.5; }

/* Google button — white with Google brand icon */
.btn-google {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 13px 20px; border-radius: 999px;
  border: 1px solid #dadce0; background: #ffffff; color: #3c4043;
  font-weight: 700; font-size: .95rem; font-family: var(--font-body);
  cursor: pointer; transition: box-shadow .2s, background .2s;
}
.btn-google:hover { background: #f8f8f8; box-shadow: 0 2px 14px rgba(0,0,0,.22); }

/* "veya" divider */
.auth-divider {
  display: flex; align-items: center; gap: 14px;
  margin: 22px 0;
  color: var(--text-dim); font-size: .82rem;
}
.auth-divider::before, .auth-divider::after {
  content: ""; flex: 1; height: 1px; background: var(--line);
}

.auth-card form { display: flex; flex-direction: column; gap: 14px; }
.auth-card .btn--primary { margin-top: 8px; }
.auth-card__footer {
  margin-top: 20px; text-align: center;
  font-size: .88rem; color: var(--text-dim);
}
.auth-card__footer a { color: var(--accent-strong); font-weight: 700; }
.auth-card__footer a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* KVKK checkbox row */
.kvkk-check {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .84rem; color: var(--text-dim); line-height: 1.5; cursor: pointer;
}
.kvkk-check input[type=checkbox] {
  accent-color: var(--accent); width: 16px; height: 16px;
  flex: none; margin-top: 2px; cursor: pointer;
}
.kvkk-check a { color: var(--accent-strong); font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }

/* auth responsive */
@media (max-width: 860px) {
  .auth-split { grid-template-columns: 1fr; }
  .auth-split__deco { display: none; }
  .auth-split__form { padding: 48px 32px; }
}
@media (max-width: 480px) {
  .auth-split__form { padding: 40px 18px; }
  .auth-split { border-radius: 0; border-left: none; border-right: none; }
  .auth-page-wrap { padding: 0 0 40px; }
}

/* ---------- 14. ACCOUNT PAGE ---------- */

.account-page-wrap { padding: 40px 0 80px; }

.account-page {
  display: grid;
  grid-template-columns: 264px 1fr;
  gap: 32px;
  align-items: start;
}

/* sidebar */
.account-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.account-user-card {
  padding: 22px 20px;
  border-bottom: 1px solid var(--line);
}
.account-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 800; font-size: 1.2rem;
  margin-bottom: 12px;
}
.account-user-name { font-family: var(--font-display); font-weight: 700; font-size: .98rem; margin-bottom: 3px; }
.account-user-email { font-size: .76rem; color: var(--text-dim); }

.account-nav { display: flex; flex-direction: column; padding: 8px 0; }
.account-nav__item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 20px; border: none; background: none;
  font-family: inherit; color: var(--text-dim); font-size: .88rem; font-weight: 600;
  cursor: pointer; text-align: left; transition: color .18s, background .18s; width: 100%;
}
.account-nav__item:hover { color: var(--text); background: rgba(var(--accent-rgb), .06); }
.account-nav__item.is-active { color: var(--accent-strong); background: rgba(var(--accent-rgb), .08); font-weight: 700; }
.account-nav__icon { font-size: .92rem; flex: none; width: 18px; text-align: center; }
.account-nav__item--logout {
  margin-top: 8px; border-top: 1px solid var(--line);
  padding-top: 18px; color: var(--danger);
}
.account-nav__item--logout:hover { color: var(--danger); background: rgba(var(--danger-rgb), .08); }

/* main content area */
.account-main { min-width: 0; }

/* promo / coupon band */
.account-promo-band {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(var(--accent-rgb), .3);
  background: rgba(var(--accent-rgb), .07);
  padding: 14px 18px;
  margin-bottom: 24px;
}
.account-promo-band__text { flex: 1; min-width: 0; }
.account-promo-band__tag {
  font-size: .68rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: .16em; color: var(--accent-strong); margin-bottom: 3px;
}
.account-promo-band__title { font-family: var(--font-display); font-weight: 700; font-size: .97rem; }

/* panel shared */
.account-panel { min-height: 160px; }
.account-panel-head {
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.account-panel-head h2 { font-size: 1.3rem; margin: 0 0 4px; }
.account-panel-head p { color: var(--text-dim); font-size: .88rem; margin: 0; }

/* profile form */
.profile-section { background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 20px; margin-bottom: 14px; }
.profile-section h3 { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .15em; color: var(--text-dim); margin: 0 0 16px; }
.profile-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.profile-form-grid .form-grid--full { grid-column: 1 / -1; }
.profile-save-row { display: flex; justify-content: flex-end; margin-top: 12px; }

/* ORDER CARDS */
.order-cards { display: flex; flex-direction: column; gap: 14px; }
.order-card {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .2s;
}
.order-card__head {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 16px;
  padding: 18px 20px 14px; flex-wrap: wrap;
}
.order-card__meta { display: flex; flex-direction: column; gap: 5px; }
.order-card__id { font-family: var(--font-display); font-weight: 700; font-size: .95rem; }
.order-card__date { font-size: .78rem; color: var(--text-dim); }
.order-card__tracking { font-size: .78rem; color: var(--text-dim); }
.order-card__tracking strong { color: var(--text); font-weight: 700; }
.order-card__right { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; flex: none; }
.order-card__total { font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; }
.order-card__items { padding: 0 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.order-card__footer { display: flex; align-items: center; gap: 10px; padding: 12px 20px; flex-wrap: wrap; }

/* status chips */
.order-status-chip {
  display: inline-flex; align-items: center;
  padding: 4px 12px; border-radius: 999px;
  font-size: .72rem; font-weight: 800; letter-spacing: .02em;
}
.badge--order-success { background: rgba(var(--success-rgb),.14); color: var(--success); border: 1px solid rgba(var(--success-rgb),.4); }
.badge--order-warn { background: rgba(var(--warn-rgb), .14); color: var(--warn); border: 1px solid rgba(var(--warn-rgb), .4); }
.badge--order-dim { background: rgba(245,245,244,.08); color: var(--text-dim); border: 1px solid var(--line); }
.badge--order-danger { background: rgba(var(--danger-rgb), .16); color: var(--danger); border: 1px solid rgba(var(--danger-rgb), .4); }

/* order item rows */
.order-item-row {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 14px; align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.order-item-row:last-child { border-bottom: none; }
.order-item-row img {
  width: 52px; aspect-ratio: 2/3;
  object-fit: cover; border-radius: 6px;
  border: 1px solid var(--line); background: var(--bg-card); display: block;
}
.order-item-row .cover-fallback {
  width: 52px; aspect-ratio: 2/3; border-radius: 6px;
  border: 1px solid var(--line); padding: 4px;
}
.order-item-row .cover-fallback__mark, .order-item-row .cover-fallback__author { display: none; }
.order-item-row .cover-fallback__title { font-size: .42rem; }
.order-item-info { min-width: 0; }
.order-item-title { font-weight: 700; font-size: .9rem; margin-bottom: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.order-item-title a:hover { color: var(--accent-strong); }
.order-item-meta { font-size: .76rem; color: var(--text-dim); }
.order-item-price { font-weight: 800; font-size: .9rem; white-space: nowrap; }
.order-toggle { font-size: .82rem; }

/* ADDRESS SECTION */
.addr-sections { display: flex; flex-direction: column; gap: 28px; }
.addr-section-label {
  font-family: var(--font-body); font-size: .7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .16em; color: var(--accent-strong);
  margin-bottom: 12px;
}
.addr-cards-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 10px; }
.addr-card {
  background: var(--bg-raised); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 16px;
}
.addr-card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.addr-card__title-col { min-width: 0; }
.addr-card__lbl {
  font-size: .68rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: .1em; color: var(--accent-strong); margin-bottom: 3px; display: block;
}
.addr-card__name { font-weight: 700; font-size: .9rem; }
.addr-card__btns { display: flex; gap: 6px; flex: none; }
.addr-card__full { font-size: .83rem; color: var(--text-dim); line-height: 1.55; }
.addr-card__tax { font-size: .78rem; color: var(--text-dim); margin-top: 4px; }
.btn-icon-sm {
  background: none; border: 1px solid var(--line); color: var(--text-dim);
  width: 30px; height: 30px; border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: .82rem; transition: border-color .18s, color .18s, background .18s;
  font-family: inherit;
}
.btn-icon-sm:hover { border-color: var(--line); color: var(--text); background: var(--bg-card); }
.btn-icon-sm--danger:hover { border-color: var(--danger); color: var(--danger); background: rgba(var(--danger-rgb), .08); }

.addr-inline-form { display: none; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.addr-form-actions { display: flex; gap: 8px; margin-top: 12px; }
.addr-add-wrap { margin-top: 6px; }

/* COUPON CARDS */
.coupon-cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.coupon-card-account {
  background: var(--bg-raised);
  border: 1px dashed rgba(var(--accent-rgb), .4);
  border-radius: var(--radius); padding: 24px 20px;
  display: flex; flex-direction: column;
}
.coupon-card-account__code {
  font-family: var(--font-display); font-size: 1.7rem; font-weight: 800;
  color: var(--accent-strong); letter-spacing: .06em; margin-bottom: 6px;
}
.coupon-card-account__desc { font-size: .9rem; font-weight: 600; margin-bottom: 6px; }
.coupon-card-account__min { font-size: .78rem; color: var(--text-dim); margin-bottom: auto; padding-bottom: 16px; }
.coupon-copy-btn { font-family: inherit; align-self: flex-start; }
.coupon-copy-btn:disabled { opacity: .62; cursor: default; transform: none !important; }

/* CHAT HISTORY */
.chat-history-wrap { display: flex; flex-direction: column; gap: 16px; }

/* MODAL overlay */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  backdrop-filter: blur(4px);
  animation: kkfadein .2s var(--ease);
}
@keyframes kkfadein { from { opacity: 0; } to { opacity: 1; } }
.modal-box {
  background: var(--bg-raised); border: 1px solid var(--line);
  border-radius: var(--radius); width: 100%; max-width: 480px;
  overflow: hidden; animation: kkpop .25s var(--ease);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; border-bottom: 1px solid var(--line); background: var(--bg-card);
}
.modal-header h3 { font-size: 1.08rem; margin: 0; }
.modal-close {
  background: none; border: none; color: var(--text-dim); font-size: 1.3rem;
  cursor: pointer; padding: 4px 8px; border-radius: 6px;
  transition: color .18s, background .18s; font-family: inherit; line-height: 1;
}
.modal-close:hover { color: var(--text); background: var(--bg-raised); }
.modal-body { padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.modal-footer { display: flex; gap: 10px; justify-content: flex-end; padding: 16px 22px; border-top: 1px solid var(--line); }

/* account responsive */
@media (max-width: 920px) {
  .account-page { grid-template-columns: 1fr; gap: 20px; }
  .account-sidebar { position: static; }
  .account-user-card { padding: 16px 18px; }
  .account-nav { flex-direction: row; flex-wrap: wrap; padding: 8px 12px; gap: 4px; }
  .account-nav__item { padding: 8px 14px; border-radius: 999px; gap: 6px; width: auto; font-size: .82rem; }
  .account-nav__item--logout { margin-top: 0; border-top: none; padding-top: 8px; }
  .profile-form-grid { grid-template-columns: 1fr; }
  .coupon-cards-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .order-card__head { flex-direction: column; }
  .order-card__right { flex-direction: row; align-items: center; justify-content: space-between; width: 100%; }
  .order-item-row { grid-template-columns: 44px 1fr auto; gap: 10px; }
  .account-page-wrap { padding: 24px 0 60px; }
}

/* ---------- 15. PROSE (blog yazı gövdesi) ---------- */

.prose {
  font-size: 1.06rem;
  line-height: 1.82;
  color: var(--text);
  max-width: 72ch;
}
.prose p { margin: 0 0 1.45em; }
.prose p:last-child { margin-bottom: 0; }
.prose a { color: var(--accent-strong); text-decoration: underline; text-underline-offset: 3px; font-weight: 600; transition: opacity .18s; }
.prose a:hover { opacity: .78; }
.prose strong { color: var(--text); font-weight: 700; }
.prose h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.55rem; line-height: 1.18; letter-spacing: -.02em;
  margin: 2.2em 0 .7em; color: var(--text);
}
.prose h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.22rem; line-height: 1.22; letter-spacing: -.015em;
  margin: 1.8em 0 .6em; color: var(--text);
}
.prose blockquote {
  border-left: 3px solid var(--accent);
  margin: 1.8em 0; padding: .8em 1.4em;
  background: var(--bg-raised); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-dim); font-style: italic;
}
.prose blockquote p { margin: 0; }
.prose ul, .prose ol { margin: 1em 0 1.45em; padding-left: 1.4em; }
.prose ul { list-style: none; padding-left: 0; }
.prose ul li { padding-left: 1.4em; position: relative; margin-bottom: .55em; }
.prose ul li::before { content: "◆"; position: absolute; left: 0; color: var(--accent); font-size: .6em; top: .35em; }
.prose ol li { margin-bottom: .55em; }

/* ---------- 16. CAMPAIGNS PAGE ---------- */

.campaigns-page-header { padding: 48px 0 20px; }
.campaigns-page-header h1 { margin: 8px 0 12px; }
.campaigns-page-header p { color: var(--text-dim); max-width: 52ch; margin: 0; }

.campaigns-list { display: flex; flex-direction: column; gap: 24px; }

.campaign-card--full {
  position: relative; overflow: hidden;
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 36px 40px;
  display: grid; grid-template-columns: 1fr auto;
  align-items: center; gap: 32px;
  transition: border-color .25s, transform .25s;
}
.campaign-card--full:hover { border-color: rgba(var(--accent-rgb), .5); transform: translateY(-3px); }
.campaign-card--full.is-expired { opacity: .55; }
.campaign-card--full.is-expired:hover { transform: none; border-color: var(--line); }

.campaign-card__left { min-width: 0; }
.campaign-card__tag-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.campaign-card__title { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0 0 8px; letter-spacing: -.02em; }
.campaign-card__subtitle { color: var(--text-dim); font-size: 1.02rem; margin: 0 0 22px; }
.campaign-card__cta-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.campaign-card__link { color: var(--accent-strong); font-weight: 700; font-size: .9rem; transition: text-decoration .15s; }
.campaign-card__link:hover { text-decoration: underline; text-underline-offset: 3px; }

.campaign-card__right { text-align: center; flex: none; }
.campaign-countdown {
  background: var(--bg-raised); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 20px 28px; min-width: 130px;
}
.campaign-countdown__num {
  font-family: var(--font-display); font-size: 3.2rem; font-weight: 800;
  color: var(--accent-strong); line-height: 1;
}
.campaign-countdown__label {
  font-size: .72rem; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; color: var(--text-dim); margin-top: 4px;
}
.campaign-countdown--expired .campaign-countdown__num { color: var(--text-dim); font-size: 1.1rem; }
.campaign-countdown--expired .campaign-countdown__label { display: none; }

/* coupon section */
.coupons-section { margin-top: 64px; padding-top: 48px; border-top: 1px solid var(--line); }
.coupons-section .section-head { margin-bottom: 28px; }
.campaigns-coupons-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.campaigns-coupon-card {
  background: var(--bg-raised);
  border: 1px dashed rgba(var(--accent-rgb), .45);
  border-radius: var(--radius); padding: 28px 24px;
  display: flex; flex-direction: column;
  transition: border-color .2s, transform .2s;
}
.campaigns-coupon-card:hover { border-color: rgba(var(--accent-rgb), .75); transform: translateY(-3px); }
.campaigns-coupon-card__code {
  font-family: var(--font-display); font-size: 2rem; font-weight: 800;
  color: var(--accent-strong); letter-spacing: .08em; margin-bottom: 8px;
}
.campaigns-coupon-card__desc { font-size: .96rem; font-weight: 600; margin-bottom: 6px; }
.campaigns-coupon-card__min { font-size: .82rem; color: var(--text-dim); margin-bottom: auto; padding-bottom: 18px; }

@media (max-width: 768px) {
  .campaign-card--full { grid-template-columns: 1fr; padding: 26px 22px; }
  .campaign-card__right { text-align: left; }
  .campaign-countdown { display: inline-flex; align-items: center; gap: 12px; padding: 12px 20px; min-width: 0; }
  .campaign-countdown--expired { display: inline-block; }
}

/* ---------- 17. BLOG LIST PAGE ---------- */

.blog-page-header { padding: 48px 0 20px; }
.blog-page-header h1 { margin: 8px 0 12px; }
.blog-page-header p { color: var(--text-dim); max-width: 52ch; margin: 0; }

.blog-featured {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--bg-card);
  margin-bottom: 40px; min-height: 380px;
  transition: border-color .25s;
}
.blog-featured:hover { border-color: rgba(var(--accent-rgb), .5); }
.blog-featured__media {
  position: relative; overflow: hidden; background: var(--bg-raised);
}
.blog-featured__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(10,10,10,.0) 55%, rgba(10,10,10,.6) 100%);
}
.blog-featured__media img, .blog-featured__media .cover-fallback {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease);
}
.blog-featured:hover .blog-featured__media img { transform: scale(1.04); }
.blog-featured__body {
  padding: 44px 40px; display: flex; flex-direction: column; justify-content: center;
}
.blog-featured__label {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--accent-strong); font-size: .72rem; font-weight: 800;
  letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px;
}
.blog-featured__title { font-size: clamp(1.4rem, 2.4vw, 2rem); margin: 0 0 14px; line-height: 1.18; }
.blog-featured:hover .blog-featured__title { color: var(--accent-strong); }
.blog-featured__excerpt { color: var(--text-dim); font-size: .96rem; line-height: 1.72; margin: 0 0 20px; }
.blog-featured__meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.blog-featured__date { font-size: .76rem; color: var(--text-dim); }
.blog-featured__more { margin-top: auto; color: var(--accent-strong); font-weight: 700; font-size: .9rem; }

.blog-tag-chip {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 999px;
  background: var(--bg-raised); border: 1px solid var(--line);
  font-size: .72rem; font-weight: 700; letter-spacing: .04em;
  color: var(--text-dim); transition: border-color .18s, color .18s;
}
.blog-tag-chip:hover { border-color: var(--accent); color: var(--accent-strong); }

.blog-list-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

@media (max-width: 860px) {
  .blog-featured { grid-template-columns: 1fr; min-height: auto; }
  .blog-featured__media { min-height: 240px; }
  .blog-featured__body { padding: 28px 24px; }
  .blog-list-grid { grid-template-columns: 1fr; }
}

/* ---------- 18. BLOG POST PAGE ---------- */

.post-hero {
  position: relative; height: 480px; overflow: hidden;
  background: var(--bg-raised);
}
.post-hero img, .post-hero .cover-fallback {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.post-hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,.92) 0%, rgba(10,10,10,.25) 55%, rgba(10,10,10,0) 100%);
}
.post-hero__caption {
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 2;
  padding: 32px 0;
}

.post-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 56px; padding: 52px 0 80px; align-items: start; }
.post-main { min-width: 0; }
.post-aside { position: sticky; top: calc(var(--header-h) + 28px); }

.post-header { margin-bottom: 36px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.post-category { display: inline-flex; align-items: center; gap: 6px; color: var(--accent-strong); font-weight: 700; font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px; transition: opacity .18s; }
.post-category:hover { opacity: .75; }
.post-title { font-size: clamp(1.8rem, 4vw, 2.8rem); margin: 0 0 16px; line-height: 1.1; letter-spacing: -.025em; }
.post-meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; color: var(--text-dim); font-size: .86rem; }
.post-meta__author { font-weight: 700; color: var(--text); }
.post-meta__sep { color: var(--line); }
.post-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

.post-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-top: 52px; padding-top: 36px; border-top: 1px solid var(--line);
}
.post-nav-item {
  display: flex; flex-direction: column; gap: 6px;
  padding: 18px 20px; border-radius: var(--radius-sm);
  background: var(--bg-raised); border: 1px solid var(--line);
  transition: border-color .2s, transform .2s;
}
.post-nav-item:hover { border-color: rgba(var(--accent-rgb), .5); transform: translateY(-2px); }
.post-nav-item--next { text-align: right; }
.post-nav-item--empty { pointer-events: none; opacity: 0; }
.post-nav-label { font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); }
.post-nav-title { font-family: var(--font-display); font-weight: 700; font-size: .94rem; color: var(--text); line-height: 1.3; }
.post-nav-item:hover .post-nav-title { color: var(--accent-strong); }

.post-related-shelf { background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.post-related-shelf h3 { font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--text-dim); margin: 0 0 14px; }
.post-related-books { display: flex; flex-direction: column; gap: 10px; }

.aside-camp-card { display: block; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--bg-raised); border: 1px solid var(--line); transition: border-color .2s var(--ease); }
.aside-camp-card:hover { border-color: rgba(var(--accent-rgb), .5); }

@media (max-width: 1020px) {
  .post-layout { grid-template-columns: 1fr; gap: 40px; }
  .post-aside { position: static; }
  .post-related-books { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
}
@media (max-width: 768px) {
  .post-hero { height: 280px; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav-item--empty { display: none; }
}

/* ---------- 19. ABOUT PAGE ---------- */

.about-hero {
  padding: 80px 0 72px; text-align: center;
  border-bottom: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.about-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(var(--accent-rgb), .10) 0%, transparent 65%);
  pointer-events: none;
}
.about-hero .eyebrow { margin-bottom: 16px; }
.about-hero__title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  letter-spacing: -.03em; line-height: 1.06;
  max-width: 18ch; margin: 0 auto 24px;
}
.about-hero__title em { color: var(--accent-strong); font-style: normal; }
.about-hero__sub {
  color: var(--text-dim); font-size: 1.1rem; max-width: 52ch;
  margin: 0 auto 36px; line-height: 1.72;
}

.about-mission { padding: 72px 0; }
.about-mission__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-mission__text h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 20px; }
.about-mission__text p { color: var(--text-dim); line-height: 1.82; margin-bottom: 1.2em; }
.about-mission__text p:last-child { margin-bottom: 0; }
.about-mission__art {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  position: relative;
}
.about-book-col { display: flex; flex-direction: column; gap: 14px; }
.about-book-cover {
  aspect-ratio: 2/3; border-radius: 10px; overflow: hidden;
  background: var(--bg-card); border: 1px solid var(--line);
  box-shadow: 0 12px 34px rgba(0,0,0,.48);
  transition: transform .35s var(--ease);
}
.about-book-cover img, .about-book-cover .cover-fallback { width: 100%; height: 100%; object-fit: cover; display: block; }
.about-book-cover .cover-fallback { padding: 10px; }
.about-book-cover .cover-fallback__author { display: none; }
.about-book-cover .cover-fallback__title { font-size: .62rem; }
.about-book-col:nth-child(1) .about-book-cover { transform: rotate(-3deg); }
.about-book-col:nth-child(2) .about-book-cover:nth-child(1) { transform: rotate(2.5deg) translateY(28px); }
.about-book-col:nth-child(2) .about-book-cover:nth-child(2) { transform: rotate(-1.5deg); }
.about-book-cover:hover { transform: rotate(0deg) scale(1.03) !important; }

.about-stats { padding: 64px 0; background: var(--bg-raised); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about-stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.about-stat__num {
  font-family: var(--font-display); font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 800; color: var(--accent-strong); line-height: 1; margin-bottom: 6px;
}
.about-stat__label { font-size: .86rem; color: var(--text-dim); line-height: 1.45; }

.about-values { padding: 72px 0; }
.about-values__head { text-align: center; max-width: 560px; margin: 0 auto 44px; }
.about-values__head h2 { margin-bottom: 10px; }
.about-values__head p { color: var(--text-dim); margin: 0; }
.about-values__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.about-value-card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 32px 28px;
  transition: border-color .25s, transform .25s;
}
.about-value-card:hover { border-color: rgba(var(--accent-rgb), .5); transform: translateY(-4px); }
.about-value-card__icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: rgba(var(--accent-rgb), .1); border: 1px solid rgba(var(--accent-rgb), .25);
  display: grid; place-items: center; color: var(--accent-strong);
  margin-bottom: 20px;
}
.about-value-card h3 { font-size: 1.18rem; margin: 0 0 10px; }
.about-value-card p { color: var(--text-dim); font-size: .9rem; line-height: 1.68; margin: 0; }

.about-cta-band {
  margin: 0 0 0; padding: 64px 0;
  border-top: 1px solid var(--line); text-align: center;
  position: relative; overflow: hidden;
}
.about-cta-band::before {
  content: ""; position: absolute; top: -80px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 300px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(var(--accent-rgb), .08), transparent 70%);
  pointer-events: none;
}
.about-cta-band h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); margin-bottom: 12px; }
.about-cta-band p { color: var(--text-dim); max-width: 44ch; margin: 0 auto 28px; }

@media (max-width: 860px) {
  .about-mission__grid { grid-template-columns: 1fr; gap: 36px; }
  .about-mission__art { max-width: 380px; margin: 0 auto; }
  .about-stats__grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .about-values__grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .about-stats__grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .about-hero { padding: 56px 0 48px; }
}

/* ---------- 20. CONTACT PAGE ---------- */

.contact-page-header { padding: 48px 0 24px; }
.contact-page-header h1 { margin: 8px 0 12px; }
.contact-page-header p { color: var(--text-dim); max-width: 52ch; margin: 0; }

.contact-layout { display: grid; grid-template-columns: 1fr 380px; gap: 40px; align-items: start; padding-bottom: 80px; }
.contact-form-card, .contact-info-card {
  background: var(--bg-raised); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.contact-card-header {
  padding: 18px 24px; background: var(--bg-card);
  border-bottom: 1px solid var(--line);
}
.contact-card-header h2 { font-size: 1.05rem; margin: 0; }
.contact-card-body { padding: 24px; }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.contact-form .form-field label { font-size: .74rem; font-weight: 700; color: var(--text-dim); letter-spacing: .08em; text-transform: uppercase; }
.contact-form textarea.form-input { resize: vertical; min-height: 130px; }
.contact-form select.form-input { appearance: none; -webkit-appearance: none; cursor: pointer; }
.contact-thank {
  text-align: center; padding: 40px 24px; display: none;
}
.contact-thank__check {
  width: 56px; height: 56px; border-radius: 50%; background: rgba(var(--success-rgb),.12);
  border: 1px solid rgba(var(--success-rgb),.4);
  display: grid; place-items: center; margin: 0 auto 18px;
  color: var(--success); font-size: 1.5rem;
}
.contact-thank h3 { font-size: 1.3rem; margin-bottom: 10px; }
.contact-thank p { color: var(--text-dim); font-size: .92rem; margin: 0; }

.contact-info-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 28px; }
.contact-info-item { display: flex; align-items: flex-start; gap: 14px; }
.contact-info-item__icon {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  background: rgba(var(--accent-rgb), .1); border: 1px solid rgba(var(--accent-rgb), .2);
  display: grid; place-items: center; flex: none; color: var(--accent-strong);
}
.contact-info-item__body { min-width: 0; }
.contact-info-item__label { font-size: .68rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 3px; }
.contact-info-item__val { font-size: .94rem; font-weight: 600; line-height: 1.45; }
.contact-info-item__val a { color: var(--accent-strong); transition: opacity .18s; }
.contact-info-item__val a:hover { opacity: .78; }

.faq-head { font-size: .68rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-strong); margin-bottom: 12px; }
.faq-list { display: flex; flex-direction: column; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 13px 0; cursor: pointer; list-style: none;
  font-weight: 700; font-size: .9rem; line-height: 1.4;
  transition: color .18s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent-strong); }
.faq-item[open] summary { color: var(--accent-strong); }
.faq-toggle {
  width: 22px; height: 22px; border-radius: 50%; flex: none;
  border: 1px solid var(--line); display: grid; place-items: center;
  font-size: .8rem; color: var(--text-dim); transition: border-color .2s, transform .3s, color .2s;
}
.faq-item[open] .faq-toggle { border-color: var(--accent); color: var(--accent-strong); transform: rotate(45deg); }
.faq-answer { padding: 0 0 14px; color: var(--text-dim); font-size: .9rem; line-height: 1.72; }

.contact-aside { position: sticky; top: calc(var(--header-h) + 24px); display: flex; flex-direction: column; gap: 20px; }

@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; }
  .contact-aside { position: static; }
}

/* ---------- 21. LEGAL PAGE ---------- */

.legal-page { display: grid; grid-template-columns: 260px 1fr; gap: 44px; align-items: start; padding: 48px 0 80px; }

.legal-sidebar {
  position: sticky; top: calc(var(--header-h) + 28px);
  background: var(--bg-raised); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.legal-sidebar__title {
  padding: 14px 18px; border-bottom: 1px solid var(--line);
  font-size: .68rem; font-weight: 800; letter-spacing: .18em;
  text-transform: uppercase; color: var(--text-dim);
}
.legal-nav { display: flex; flex-direction: column; padding: 6px 0; }
.legal-nav__item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 18px; border: none; background: none;
  font-family: inherit; font-size: .88rem; font-weight: 600;
  color: var(--text-dim); cursor: pointer; text-align: left;
  transition: color .18s, background .18s; width: 100%;
}
.legal-nav__item:hover { color: var(--text); background: rgba(var(--accent-rgb), .06); }
.legal-nav__item.is-active { color: var(--accent-strong); background: rgba(var(--accent-rgb), .08); font-weight: 700; }
.legal-nav__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; opacity: .5; }
.legal-nav__item.is-active .legal-nav__dot { opacity: 1; }

.legal-content { min-width: 0; }
.legal-panel { display: none; }
.legal-panel.is-active { display: block; }
.legal-panel__header { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.legal-panel__header h1 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin: 0 0 8px; }
.legal-panel__header p { color: var(--text-dim); font-size: .86rem; margin: 0; }
.legal-panel__date { font-size: .76rem; color: var(--text-dim); letter-spacing: .04em; }

.legal-prose { font-size: .97rem; line-height: 1.82; color: var(--text); }
.legal-prose p { margin: 0 0 1.2em; color: var(--text-dim); }
.legal-prose p:last-child { margin-bottom: 0; }
.legal-prose h2 { font-family: var(--font-display); font-weight: 700; font-size: 1.18rem; margin: 2em 0 .7em; letter-spacing: -.015em; border-top: 1px solid var(--line); padding-top: 1.6em; }
.legal-prose h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.legal-prose strong { color: var(--text); font-weight: 700; }
.legal-prose ul { padding-left: 1.4em; margin: .8em 0 1.2em; }
.legal-prose ul li { margin-bottom: .5em; color: var(--text-dim); }
.legal-prose a { color: var(--accent-strong); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 860px) {
  .legal-page { grid-template-columns: 1fr; gap: 24px; }
  .legal-sidebar { position: static; }
  .legal-nav { flex-direction: row; flex-wrap: wrap; padding: 8px 10px; gap: 4px; }
  .legal-nav__item { padding: 8px 14px; border-radius: 999px; font-size: .82rem; }
  .legal-nav__dot { display: none; }
}