/* ==========================================================================
   Bilişsel Akademi — Tasarım Sistemi
   Marka: Mor #4A2878 · Turuncu #EE7A2A
   İçindekiler:
   01. Tokenlar   02. Reset/Temel   03. Tipografi   04. Layout
   05. Buton/Rozet/Chip   06. Header/Mega menü/Mobil menü
   07. Hero   08. Kartlar (ders/kitap/blog/şube)   09. Bölümler
   10. Footer   11. Liste sayfaları (filtre, sayfalama)
   12. Detay sayfaları (ders, kitap)   13. Sepet/Ödeme   14. Blog içerik
   15. AI Deneme Sınavı   16. Formlar   17. Yardımcılar / Animasyon
   ========================================================================== */

/* 01. TOKENLAR ------------------------------------------------------------ */
:root {
  --brand-50: #F5F1FB;
  --brand-100: #EAE2F7;
  --brand-200: #D3C3EE;
  --brand-400: #8A64C4;
  --brand-500: #6A43A6;
  --brand: #4A2878;
  --brand-700: #3A1F60;
  --brand-800: #2A1648;
  --brand-900: #1B0F30;

  --accent-50: #FFF4EB;
  --accent-100: #FFE4CE;
  --accent: #EE7A2A;
  --accent-600: #D8641A;
  --accent-700: #B34F10;

  --ink: #1A1430;
  --ink-2: #3D3654;
  --muted: #6C6684;
  --line: #ECE7F3;
  --line-2: #DDD5EA;
  --bg: #FBFAFD;
  --surface: #FFFFFF;
  --surface-2: #F7F4FB;

  --success: #16A36A;
  --success-50: #E8F7EF;
  --danger: #E0474C;
  --danger-50: #FDECEC;
  --warning: #E9A20B;
  --info: #2F7FE0;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-xs: 0 1px 2px rgba(27, 15, 48, .06);
  --shadow-sm: 0 2px 8px rgba(27, 15, 48, .06), 0 1px 2px rgba(27, 15, 48, .04);
  --shadow: 0 10px 30px -10px rgba(42, 22, 72, .18), 0 2px 6px rgba(27, 15, 48, .05);
  --shadow-lg: 0 30px 60px -20px rgba(42, 22, 72, .30), 0 8px 20px -8px rgba(27, 15, 48, .10);

  --container: 1240px;
  --gutter: 24px;
  --header-h: 76px;
  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* 02. RESET / TEMEL ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.65; color: var(--ink);
  background: var(--bg); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
ul, ol { margin: 0; padding: 0; }
ul[class], ol[class] { list-style: none; }
h1, h2, h3, h4, h5, h6, p, figure, blockquote { margin: 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
::selection { background: var(--brand); color: #fff; }
[hidden] { display: none !important; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 999; background: var(--brand); color: #fff; padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { top: 12px; }

/* 03. TİPOGRAFİ ----------------------------------------------------------- */
.h1, h1 { font-size: clamp(2.1rem, 1.4rem + 3vw, 3.75rem); line-height: 1.08; letter-spacing: -.03em; font-weight: 800; }
.h2, h2 { font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.6rem); line-height: 1.15; letter-spacing: -.025em; font-weight: 800; }
.h3, h3 { font-size: clamp(1.2rem, 1.05rem + .5vw, 1.45rem); line-height: 1.3; letter-spacing: -.015em; font-weight: 700; }
h4 { font-size: 1.08rem; line-height: 1.4; font-weight: 700; }
.lead { font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem); color: var(--muted); line-height: 1.7; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.xs { font-size: .78rem; }
.fw-600 { font-weight: 600; } .fw-700 { font-weight: 700; } .fw-800 { font-weight: 800; }
.text-brand { color: var(--brand); } .text-accent { color: var(--accent); }
.text-center { text-align: center; }
.hl { position: relative; color: var(--brand); white-space: nowrap; }
.hl::after { content: ""; position: absolute; left: -2px; right: -2px; bottom: .06em; height: .32em; background: var(--accent); opacity: .28; border-radius: 6px; z-index: -1; }
.hl--accent { color: var(--accent); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: .78rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--accent-600);
}
.eyebrow::before { content: ""; width: 18px; height: 2px; background: currentColor; border-radius: 2px; }

/* 04. LAYOUT -------------------------------------------------------------- */
.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: calc(860px + var(--gutter) * 2); }
.section { padding-block: clamp(64px, 5vw + 32px, 112px); }
.section--sm { padding-block: clamp(40px, 3vw + 24px, 72px); }
.section--tint { background: var(--surface-2); }
.section--dark { background: var(--brand-900); color: #fff; }
.section--dark .muted, .section--dark .lead { color: rgba(255,255,255,.7); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 40px; flex-wrap: wrap; }
.section-head__text { max-width: 640px; }
.section-head__text h2 { margin-top: 10px; }
.section-head__text p { margin-top: 12px; }
.section-head--center { justify-content: center; text-align: center; }
.section-head--center .section-head__text { margin-inline: auto; }
.section-head--center .eyebrow::before { display: none; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stack > * + * { margin-top: 16px; }
.flex { display: flex; } .items-center { align-items: center; } .gap-8 { gap: 8px; } .gap-24 { gap: 24px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .wrap { flex-wrap: wrap; } .between { justify-content: space-between; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; }
.mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }
@media (max-width: 1080px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { :root { --gutter: 16px; } .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* 05. BUTON / ROZET / CHIP ------------------------------------------------ */
.btn {
  --b-bg: var(--brand); --b-fg: #fff; --b-bd: transparent;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 22px; border-radius: 999px; border: 1.5px solid var(--b-bd);
  background: var(--b-bg); color: var(--b-fg); font-weight: 700; font-size: .95rem; line-height: 1.2;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, color .2s, border-color .2s;
  white-space: nowrap; cursor: pointer; text-align: center;
}
.btn i { font-size: 1.15em; line-height: 1; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 22px -10px rgba(74, 40, 120, .6); }
.btn:active { transform: translateY(0); }
.btn--accent { --b-bg: var(--accent); }
.btn--accent:hover { --b-bg: var(--accent-600); box-shadow: 0 10px 22px -10px rgba(238, 122, 42, .7); }
.btn--dark { --b-bg: var(--brand-900); }
.btn--ghost { --b-bg: transparent; --b-fg: var(--brand); --b-bd: var(--line-2); }
.btn--ghost:hover { --b-bd: var(--brand); --b-bg: var(--brand-50); box-shadow: none; }
.btn--white { --b-bg: #fff; --b-fg: var(--brand); }
.btn--outline-white { --b-bg: transparent; --b-fg: #fff; --b-bd: rgba(255,255,255,.35); }
.btn--outline-white:hover { --b-bg: rgba(255,255,255,.1); --b-bd: #fff; box-shadow: none; }
.btn--wa { --b-bg: #1FAF55; }
.btn--wa:hover { box-shadow: 0 10px 22px -10px rgba(31, 175, 85, .7); }
.btn--sm { min-height: 38px; padding: 8px 16px; font-size: .86rem; }
.btn--lg { min-height: 56px; padding: 16px 30px; font-size: 1.02rem; }
.btn--block { width: 100%; }
.btn--icon { width: 44px; min-height: 44px; padding: 0; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--brand); }
.link-arrow i { transition: transform .2s var(--ease); }
.link-arrow:hover i { transform: translateX(4px); }

.badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: 999px;
  font-size: .74rem; font-weight: 700; line-height: 1.4; background: var(--brand-50); color: var(--brand);
}
.badge--accent { background: var(--accent-50); color: var(--accent-700); }
.badge--solid { background: var(--brand); color: #fff; }
.badge--hot { background: var(--accent); color: #fff; }
.badge--success { background: var(--success-50); color: var(--success); }
.badge--danger { background: var(--danger-50); color: var(--danger); }
.badge--dark { background: rgba(27, 15, 48, .75); color: #fff; backdrop-filter: blur(6px); }
.badge--white { background: rgba(255,255,255,.92); color: var(--ink); }

.chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 999px;
  border: 1.5px solid var(--line-2); background: var(--surface); font-weight: 600; font-size: .9rem;
  transition: all .2s var(--ease); cursor: pointer; white-space: nowrap;
}
.chip:hover { border-color: var(--brand-400); color: var(--brand); }
.chip.is-active, .chip[aria-pressed="true"] { background: var(--brand); color: #fff; border-color: var(--brand); }
.chip i { font-size: 1.05rem; }

.rating { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: .88rem; }
.rating__stars { color: #F5A524; letter-spacing: 1px; display: inline-flex; }
.rating small { color: var(--muted); font-weight: 500; }

.icon-box {
  width: 52px; height: 52px; display: grid; place-items: center; border-radius: 14px;
  background: var(--brand-50); color: var(--brand); font-size: 1.5rem; flex-shrink: 0;
}
.icon-box--accent { background: var(--accent-50); color: var(--accent-600); }
.icon-box--sm { width: 40px; height: 40px; border-radius: 12px; font-size: 1.2rem; }

/* 06. HEADER -------------------------------------------------------------- */
.topbar { background: var(--brand-900); color: rgba(255,255,255,.78); font-size: .82rem; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 40px; }
.topbar__list { display: flex; align-items: center; gap: 22px; }
.topbar a { display: inline-flex; align-items: center; gap: 6px; transition: color .2s; }
.topbar a:hover { color: #fff; }
.topbar__promo { color: #fff; font-weight: 600; }
.topbar__promo b { color: var(--accent); }
@media (max-width: 900px) { .topbar__list--hide-sm { display: none; } .topbar__inner { justify-content: center; } }

.header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.88);
  backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .25s, box-shadow .25s;
}
.header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 24px -18px rgba(27, 15, 48, .4); }
.header__inner { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.logo { display: inline-flex; align-items: center; flex-shrink: 0; }
.logo img { height: 46px; width: auto; }
.nav { flex: 1; }
.nav__list { display: flex; align-items: center; gap: 4px; }
.nav__item { position: relative; }
.nav__link {
  display: inline-flex; align-items: center; gap: 4px; padding: 10px 14px; border-radius: 10px;
  font-weight: 600; font-size: .94rem; color: var(--ink-2); transition: color .2s, background .2s;
}
.nav__link:hover, .nav__item:hover > .nav__link, .nav__link[aria-current="page"] { color: var(--brand); background: var(--brand-50); }
.nav__link .ri-arrow-down-s-line { transition: transform .2s; }
.nav__item:hover > .nav__link .ri-arrow-down-s-line { transform: rotate(180deg); }
.nav__new { font-size: .62rem; font-weight: 800; background: var(--accent); color: #fff; padding: 2px 6px; border-radius: 6px; letter-spacing: .04em; }
.header__actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.icon-btn {
  position: relative; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px;
  font-size: 1.3rem; color: var(--ink-2); transition: background .2s, color .2s;
}
.icon-btn:hover { background: var(--brand-50); color: var(--brand); }
.icon-btn__count {
  position: absolute; top: 4px; right: 3px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 999px;
  background: var(--accent); color: #fff; font-size: .66rem; font-weight: 800; display: grid; place-items: center;
  border: 2px solid #fff;
}
.burger { display: none; }

/* Mega menü */
.mega {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translate(-50%, 8px);
  width: min(920px, 92vw); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 24px; opacity: 0; visibility: hidden; transition: all .22s var(--ease);
  display: grid; grid-template-columns: 1fr 1fr 280px; gap: 8px 24px;
}
.mega::before { content: ""; position: absolute; left: 0; right: 0; top: -14px; height: 14px; }
.nav__item:hover > .mega, .nav__item:focus-within > .mega { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.mega__title { grid-column: span 1; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 700; margin: 4px 0 6px 12px; }
.mega__col { display: flex; flex-direction: column; gap: 2px; }
.mega__link { display: flex; gap: 12px; align-items: center; padding: 10px 12px; border-radius: 12px; transition: background .2s; }
.mega__link:hover { background: var(--surface-2); }
.mega__link .icon-box { width: 38px; height: 38px; font-size: 1.1rem; border-radius: 10px; }
.mega__link strong { display: block; font-size: .92rem; font-weight: 700; }
.mega__link span { display: block; font-size: .78rem; color: var(--muted); line-height: 1.4; }
.mega__promo {
  grid-row: span 2; border-radius: var(--radius); padding: 22px; color: #fff; position: relative; overflow: hidden;
  background: radial-gradient(120% 90% at 100% 0%, var(--brand-500) 0%, var(--brand) 45%, var(--brand-900) 100%);
  display: flex; flex-direction: column; justify-content: flex-end; min-height: 280px;
}
.mega__promo::after { content: ""; position: absolute; width: 180px; height: 180px; border-radius: 50%; background: var(--accent); opacity: .9; top: -60px; right: -60px; filter: blur(2px); }
.mega__promo > * { position: relative; z-index: 1; }
.mega__promo h4 { font-size: 1.2rem; margin: 10px 0 6px; }
.mega__promo p { font-size: .85rem; color: rgba(255,255,255,.75); margin-bottom: 14px; }
.mega__foot { grid-column: 1 / 3; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); margin-top: 8px; padding: 14px 12px 0; font-size: .86rem; }

/* Mobil menü */
.drawer { position: fixed; inset: 0; z-index: 200; visibility: hidden; }
.drawer.is-open { visibility: visible; }
.drawer__overlay { position: absolute; inset: 0; background: rgba(27, 15, 48, .5); opacity: 0; transition: opacity .3s; }
.drawer.is-open .drawer__overlay { opacity: 1; }
.drawer__panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(380px, 88vw); background: var(--surface);
  transform: translateX(100%); transition: transform .35s var(--ease); display: flex; flex-direction: column;
}
.drawer.is-open .drawer__panel { transform: none; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.drawer__head img { height: 40px; width: auto; }
.drawer__body { flex: 1; overflow-y: auto; padding: 12px 20px 24px; }
.drawer__nav a, .drawer__nav summary {
  display: flex; align-items: center; justify-content: space-between; padding: 14px 4px; font-weight: 700;
  border-bottom: 1px solid var(--line); cursor: pointer; list-style: none;
}
.drawer__nav summary::-webkit-details-marker { display: none; }
.drawer__nav details[open] summary i { transform: rotate(180deg); }
.drawer__nav details a { font-weight: 500; padding-left: 16px; font-size: .94rem; color: var(--ink-2); }
.drawer__foot { padding: 16px 20px; border-top: 1px solid var(--line); display: grid; gap: 10px; }
@media (max-width: 1160px) {
  .nav, .header__actions .btn--desk { display: none; }
  .burger { display: grid; }
}
@media (max-width: 480px) { .logo img { height: 40px; } .header__actions .hide-xs { display: none; } }

/* Arama katmanı */
.search-layer { position: fixed; inset: 0; z-index: 210; background: rgba(27, 15, 48, .55); backdrop-filter: blur(6px); display: none; padding: 12vh 16px 16px; }
.search-layer.is-open { display: block; }
.search-layer__box { max-width: 720px; margin: 0 auto; background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; }
.search-layer__field { display: flex; align-items: center; gap: 12px; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.search-layer__field i { font-size: 1.4rem; color: var(--muted); }
.search-layer__field input { flex: 1; border: 0; outline: 0; font-size: 1.1rem; background: none; }
.search-layer__body { padding: 18px 22px 22px; }
.search-layer__body h6 { font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }

/* 07. HERO ---------------------------------------------------------------- */
.hero { position: relative; overflow: hidden; padding: clamp(48px, 5vw, 88px) 0 clamp(64px, 6vw, 110px); }
.hero__bg { position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 500px at 88% 10%, rgba(238, 122, 42, .14), transparent 60%),
    radial-gradient(800px 600px at 10% 0%, rgba(106, 67, 166, .14), transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}
.hero__bg::after { content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px; mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 75%); opacity: .6; }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero__pill { display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px 6px 6px; border-radius: 999px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-xs); font-size: .86rem; font-weight: 600; }
.hero__pill b { background: var(--brand); color: #fff; padding: 3px 10px; border-radius: 999px; font-size: .74rem; }
.hero h1 { margin-top: 22px; }
.hero .lead { margin-top: 20px; max-width: 560px; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.hero__proof { display: flex; align-items: center; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.avatars { display: flex; }
.avatars span { width: 40px; height: 40px; border-radius: 50%; border: 3px solid #fff; margin-left: -10px; display: grid; place-items: center; font-size: .8rem; font-weight: 800; color: #fff; }
.avatars span:first-child { margin-left: 0; }

/* Hero arama */
.finder { margin-top: 36px; background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); padding: 8px; display: grid; grid-template-columns: 1.4fr 1fr 1fr auto; gap: 4px; max-width: 640px; }
.finder__field { display: flex; flex-direction: column; padding: 8px 14px; border-radius: 14px; transition: background .2s; min-width: 0; }
.finder__field:hover { background: var(--surface-2); }
.finder__field + .finder__field { border-left: 1px solid var(--line); }
.finder__field label { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.finder__field input, .finder__field select { border: 0; outline: 0; background: none; padding: 2px 0; font-weight: 600; font-size: .95rem; width: 100%; appearance: none; }
.finder .btn { border-radius: 14px; min-height: 56px; }
@media (max-width: 720px) {
  .finder { grid-template-columns: 1fr 1fr; }
  .finder__field:first-child { grid-column: 1 / -1; }
  .finder__field + .finder__field { border-left: 0; }
  .finder .btn { grid-column: 1 / -1; }
}

/* Hero görsel kompozisyon */
.hero__visual { position: relative; min-height: 540px; }
.hv-main {
  position: absolute; inset: 20px 30px 40px 60px; border-radius: 32px; overflow: hidden;
  background: radial-gradient(120% 100% at 0% 100%, var(--accent) 0%, transparent 45%), linear-gradient(150deg, var(--brand-500), var(--brand) 45%, var(--brand-900));
  box-shadow: var(--shadow-lg);
}
.hv-main::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.18) 1.2px, transparent 1.2px); background-size: 22px 22px; }
.hv-main__art { position: absolute; right: -40px; bottom: -40px; width: 78%; opacity: .95; }
.hv-main__text { position: absolute; left: 32px; top: 32px; color: #fff; max-width: 60%; }
.hv-main__text strong { display: block; font-size: 2.6rem; line-height: 1; font-weight: 800; letter-spacing: -.03em; }
.hv-main__text span { font-size: .9rem; opacity: .8; }
.hv-card { position: absolute; background: #fff; border-radius: 20px; box-shadow: var(--shadow-lg); padding: 16px 18px; border: 1px solid var(--line); animation: float 6s ease-in-out infinite; }
.hv-card--1 { left: 0; top: 150px; width: 240px; }
.hv-card--2 { right: 0; top: 0; display: flex; align-items: center; gap: 12px; animation-delay: -2s; }
.hv-card--3 { right: 10px; bottom: 0; width: 270px; animation-delay: -4s; }
.hv-card--4 { left: 20px; bottom: 60px; display: flex; gap: 10px; align-items: center; animation-delay: -1s; }
.hv-card h6 { font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 700; margin-bottom: 8px; }
.meter { height: 8px; background: var(--brand-50); border-radius: 99px; overflow: hidden; }
.meter span { display: block; height: 100%; background: linear-gradient(90deg, var(--brand-500), var(--accent)); border-radius: inherit; }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 70px; margin-top: 8px; }
.bars span { flex: 1; background: var(--brand-100); border-radius: 6px 6px 3px 3px; }
.bars span.is-hi { background: linear-gradient(180deg, var(--accent), var(--accent-600)); }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@media (max-width: 1024px) { .hero__grid { grid-template-columns: 1fr; } .hero__visual { min-height: 480px; max-width: 560px; margin-inline: auto; width: 100%; } }
@media (max-width: 560px) {
  .hero__visual { min-height: 420px; }
  .hv-main { inset: 40px 0 50px 0; }
  .hv-card--1 { top: auto; bottom: 0; left: 0; width: 200px; }
  .hv-card--3, .hv-card--4 { display: none; }
  .hv-card--2 { right: 8px; }
}

/* Sayfa başlığı (iç sayfalar) */
.page-hero { position: relative; padding: 40px 0 56px; overflow: hidden; background: linear-gradient(180deg, var(--surface-2), var(--bg)); border-bottom: 1px solid var(--line); }
.page-hero::after { content: ""; position: absolute; width: 520px; height: 520px; right: -160px; top: -260px; border-radius: 50%; background: radial-gradient(circle, rgba(238,122,42,.18), transparent 65%); pointer-events: none; }
.page-hero h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem); margin-top: 16px; }
.page-hero .lead { margin-top: 12px; max-width: 720px; }
.page-hero--dark { background: radial-gradient(900px 400px at 90% 0%, rgba(238,122,42,.35), transparent 60%), linear-gradient(160deg, var(--brand), var(--brand-900)); color: #fff; border: 0; }
.page-hero--dark .lead, .page-hero--dark .breadcrumb, .page-hero--dark .breadcrumb a { color: rgba(255,255,255,.75); }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: .85rem; color: var(--muted); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb li { display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb li + li::before { content: "\ea6e"; font-family: remixicon; font-size: 1rem; opacity: .6; }
.breadcrumb [aria-current] { color: var(--ink); font-weight: 600; }
.page-hero--dark .breadcrumb [aria-current] { color: #fff; }

/* 08. KARTLAR -------------------------------------------------------------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s; }
.card--hover:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.card--pad { padding: 28px; }

/* Görsel yer tutucu — backend gerçek <img> koyduğunda object-fit ile dolar */
.thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; border-radius: var(--radius); isolation: isolate; }
.thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.thumb__art { position: absolute; inset: 0; display: grid; place-items: center; color: rgba(255,255,255,.95); font-size: 3.6rem; z-index: -1; transition: transform .6s var(--ease); }
.thumb__art::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.22) 1px, transparent 1px); background-size: 18px 18px; }
.thumb__art::after { content: ""; position: absolute; width: 60%; aspect-ratio: 1; border-radius: 50%; right: -15%; bottom: -30%; background: rgba(255,255,255,.14); }
.thumb__art i { position: relative; z-index: 1; filter: drop-shadow(0 8px 16px rgba(0,0,0,.2)); }
.art-1 { background: linear-gradient(135deg, #6A43A6, #2A1648); }
.art-2 { background: linear-gradient(135deg, #F59A52, #D8641A); }
.art-3 { background: linear-gradient(135deg, #3E7BE6, #2A1648); }
.art-4 { background: linear-gradient(135deg, #1DB38A, #1A5B6B); }
.art-5 { background: linear-gradient(135deg, #E0558D, #4A2878); }
.art-6 { background: linear-gradient(135deg, #F4B840, #EE7A2A); }
.art-7 { background: linear-gradient(135deg, #4A2878, #EE7A2A); }
.art-8 { background: linear-gradient(135deg, #2B2F4A, #11131F); }
.card--hover:hover .thumb img, .card--hover:hover .thumb__art { transform: scale(1.06); }
.thumb__tags { position: absolute; left: 12px; top: 12px; display: flex; gap: 6px; flex-wrap: wrap; z-index: 2; }
.thumb__fav { position: absolute; right: 12px; top: 12px; z-index: 2; width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.92); display: grid; place-items: center; color: var(--ink-2); font-size: 1.1rem; transition: color .2s, transform .2s; }
.thumb__fav:hover, .thumb__fav.is-active { color: var(--danger); transform: scale(1.08); }

/* Ders kartı */
.course-card { display: flex; flex-direction: column; padding: 10px; height: 100%; }
.course-card__body { padding: 16px 10px 8px; display: flex; flex-direction: column; flex: 1; }
.course-card__cat { font-size: .78rem; font-weight: 700; color: var(--accent-600); text-transform: uppercase; letter-spacing: .06em; }
.course-card__title { font-size: 1.1rem; font-weight: 700; line-height: 1.35; margin-top: 6px; letter-spacing: -.01em; }
.course-card__title a::after { content: ""; position: absolute; inset: 0; }
.course-card { position: relative; }
.course-card__meta { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 12px; font-size: .84rem; color: var(--muted); }
.course-card__meta span { display: inline-flex; align-items: center; gap: 5px; }
.course-card__branches { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }
.branch-dot { display: inline-flex; align-items: center; gap: 6px; font-size: .74rem; font-weight: 600; padding: 3px 9px; border-radius: 8px; background: var(--surface-2); color: var(--ink-2); }
.branch-dot::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--success); }
.branch-dot--online::before { background: var(--info); }
.course-card__foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 16px; border-top: 1px dashed var(--line-2); margin-top: 18px; }
.price { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.price strong { font-size: 1.3rem; font-weight: 800; letter-spacing: -.02em; color: var(--ink); }
.price del { color: var(--muted); font-size: .88rem; }
.price small { color: var(--muted); font-size: .78rem; font-weight: 500; }
.course-card__foot .btn { position: relative; z-index: 2; }

/* Kategori kartı */
.cat-card { position: relative; display: flex; flex-direction: column; gap: 14px; padding: 24px; overflow: hidden; }
.cat-card h3 { font-size: 1.1rem; }
.cat-card p { font-size: .88rem; color: var(--muted); }
.cat-card__count { font-size: .8rem; font-weight: 700; color: var(--brand); display: inline-flex; align-items: center; gap: 4px; margin-top: auto; }
.cat-card::after { content: ""; position: absolute; right: -40px; bottom: -40px; width: 120px; height: 120px; border-radius: 50%; background: var(--brand-50); transition: transform .5s var(--ease); z-index: 0; }
.cat-card > * { position: relative; z-index: 1; }
.cat-card:hover::after { transform: scale(2.2); }
.cat-card:hover .icon-box { background: var(--brand); color: #fff; }

/* Kitap kartı */
.book-card { position: relative; display: flex; flex-direction: column; padding: 14px; height: 100%; }
.book-cover {
  position: relative; aspect-ratio: 3 / 4; border-radius: 12px; overflow: hidden; background: var(--surface-2);
  display: grid; place-items: center; padding: 18px 14px;
}
.book-cover__book {
  position: relative; width: 72%; aspect-ratio: 3 / 4.2; border-radius: 4px 10px 10px 4px; color: #fff; padding: 14% 12%;
  display: flex; flex-direction: column; justify-content: space-between; box-shadow: 18px 18px 30px -12px rgba(27,15,48,.45), inset 6px 0 0 rgba(0,0,0,.18);
  transition: transform .5s var(--ease);
}
.book-cover__book::before { content: ""; position: absolute; left: 7px; top: 0; bottom: 0; width: 2px; background: rgba(255,255,255,.25); }
.book-cover__book small { font-size: .56rem; letter-spacing: .14em; text-transform: uppercase; opacity: .85; font-weight: 700; }
.book-cover__book b { font-size: clamp(.8rem, 1.6vw, 1rem); line-height: 1.15; font-weight: 800; }
.book-cover__book i { font-size: 1.6rem; opacity: .9; }
.book-cover img { width: 100%; height: 100%; object-fit: contain; }
.book-card:hover .book-cover__book { transform: rotate(-3deg) translateY(-6px); }
.book-card__body { padding: 16px 4px 4px; display: flex; flex-direction: column; flex: 1; }
.book-card__title { font-weight: 700; line-height: 1.35; font-size: 1rem; }
.book-card__title a::after { content: ""; position: absolute; inset: 0; }
.book-card__foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 14px; }
.book-card__foot .btn { position: relative; z-index: 2; }
.book-card .thumb__tags { left: 22px; top: 22px; }

/* Blog kartı */
.post-card { position: relative; display: flex; flex-direction: column; padding: 10px; height: 100%; }
.post-card__body { padding: 16px 10px 10px; display: flex; flex-direction: column; flex: 1; }
.post-card__meta { display: flex; align-items: center; gap: 10px; font-size: .8rem; color: var(--muted); }
.post-card__meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--line-2); }
.post-card__title { font-size: 1.12rem; font-weight: 700; line-height: 1.4; margin-top: 10px; }
.post-card__title a::after { content: ""; position: absolute; inset: 0; }
.post-card p { margin-top: 8px; font-size: .92rem; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.post-card .link-arrow { margin-top: auto; padding-top: 16px; font-size: .9rem; }
.post-card--wide { display: grid; grid-template-columns: 1.1fr 1fr; gap: 12px; align-items: center; }
.post-card--wide .thumb { aspect-ratio: 4 / 3; }
.post-card--wide .post-card__title { font-size: 1.5rem; }
@media (max-width: 800px) { .post-card--wide { grid-template-columns: 1fr; } }

/* Şube kartı */
.branch-card { overflow: hidden; display: flex; flex-direction: column; height: 100%; }
.branch-card__map { position: relative; height: 170px; background: #E9E5F1; overflow: hidden; }
.branch-card__map svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.branch-card__pin { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -100%); color: var(--accent); font-size: 2.6rem; filter: drop-shadow(0 6px 8px rgba(0,0,0,.25)); }
.branch-card__body { padding: 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.branch-card__list { display: grid; gap: 8px; font-size: .9rem; color: var(--ink-2); }
.branch-card__list li { display: flex; gap: 10px; }
.branch-card__list i { color: var(--brand); font-size: 1.1rem; margin-top: 2px; }
.branch-card__stats { display: flex; gap: 16px; padding: 14px 0; border-block: 1px solid var(--line); }
.branch-card__stats div { flex: 1; }
.branch-card__stats strong { display: block; font-size: 1.3rem; font-weight: 800; color: var(--brand); line-height: 1.1; }
.branch-card__stats span { font-size: .76rem; color: var(--muted); }
.branch-card__actions { display: flex; gap: 8px; margin-top: auto; }
.branch-card__actions .btn { flex: 1; }

/* 09. BÖLÜMLER ------------------------------------------------------------ */
/* Logo/Güven şeridi */
.trust { border-block: 1px solid var(--line); background: #fff; }
.trust__inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust__item { display: flex; align-items: center; gap: 14px; padding: 26px 22px; }
.trust__item + .trust__item { border-left: 1px solid var(--line); }
.trust__item strong { display: block; font-size: 1.55rem; font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.trust__item span { font-size: .84rem; color: var(--muted); }
@media (max-width: 900px) { .trust__inner { grid-template-columns: 1fr 1fr; } .trust__item:nth-child(3) { border-left: 0; } .trust__item:nth-child(n+3) { border-top: 1px solid var(--line); } }
@media (max-width: 480px) { .trust__item { padding: 18px 12px; gap: 10px; } .trust__item .icon-box { display: none; } }

/* Sekmeli kategori seçici */
.tabs-scroll { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: none; }
.tabs-scroll::-webkit-scrollbar { display: none; }

/* Özellik blokları */
.feature { display: flex; gap: 18px; }
.feature h3 { font-size: 1.1rem; }
.feature p { margin-top: 6px; color: var(--muted); font-size: .94rem; }

/* Bölünmüş içerik */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: center; }
.hero-books { display: flex; gap: 16px; justify-content: center; }
@media (max-width: 960px) { .split { grid-template-columns: minmax(0, 1fr); gap: 40px; } }
@media (max-width: 600px) { .hero-books { display: none; } }

/* AI bandı */
.ai-band { position: relative; overflow: hidden; border-radius: var(--radius-xl); padding: clamp(32px, 5vw, 64px); color: #fff;
  background: radial-gradient(700px 400px at 100% 0%, rgba(238,122,42,.45), transparent 60%), radial-gradient(600px 400px at 0% 100%, rgba(138,100,196,.5), transparent 60%), var(--brand-900); }
.ai-band::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 40px 40px; }
.ai-band > * { position: relative; }
.ai-band .lead { color: rgba(255,255,255,.75); }
.ai-tools { display: grid; gap: 14px; }
.ai-tool { display: flex; align-items: center; gap: 16px; padding: 18px; border-radius: 18px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); transition: background .25s, transform .25s var(--ease); }
.ai-tool:hover { background: rgba(255,255,255,.12); transform: translateX(6px); }
.ai-tool .icon-box { background: rgba(255,255,255,.12); color: #fff; }
.ai-tool strong { display: block; }
.ai-tool span { font-size: .85rem; color: rgba(255,255,255,.65); }
.ai-tool > i { margin-left: auto; font-size: 1.3rem; }

/* Adımlar */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding: 28px 24px; }
.step::before { counter-increment: step; content: "0" counter(step); font-size: 2.6rem; font-weight: 800; color: var(--brand-100); line-height: 1; display: block; margin-bottom: 14px; letter-spacing: -.04em; }
.step h3 { font-size: 1.08rem; }
.step p { margin-top: 8px; font-size: .92rem; color: var(--muted); }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* Yorumlar */
.review { padding: 28px; display: flex; flex-direction: column; gap: 16px; height: 100%; }
.review__text { color: var(--ink-2); font-size: .98rem; }
.review__author { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.avatar { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; color: #fff; background: var(--brand); flex-shrink: 0; }
.review__author strong { display: block; font-size: .95rem; }
.review__author span { font-size: .8rem; color: var(--muted); }
.review__g { margin-left: auto; font-size: 1.5rem; color: #4285F4; }
.score-card { padding: 32px; text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; background: var(--brand); color: #fff; border: 0; }
.score-card strong { font-size: 4rem; line-height: 1; font-weight: 800; letter-spacing: -.04em; }

/* Slider (yatay kaydırma) */
.slider { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 72px) / 4); gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; scrollbar-width: thin; scrollbar-color: var(--brand-200) transparent; }
.slider > * { scroll-snap-align: start; }
@media (max-width: 1080px) { .slider { grid-auto-columns: calc((100% - 48px) / 3); } }
@media (max-width: 800px) { .slider { grid-auto-columns: calc((100% - 24px) / 2); } }
@media (max-width: 560px) { .slider { grid-auto-columns: 82%; } }
.slider-nav { display: flex; gap: 8px; }
.slider-nav button { width: 46px; height: 46px; border-radius: 50%; border: 1.5px solid var(--line-2); display: grid; place-items: center; font-size: 1.2rem; transition: all .2s; }
.slider-nav button:hover { background: var(--brand); color: #fff; border-color: var(--brand); }

/* CTA */
.cta { position: relative; overflow: hidden; border-radius: var(--radius-xl); padding: clamp(32px, 5vw, 64px); background: var(--accent); color: #fff; display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.cta::before { content: ""; position: absolute; width: 480px; height: 480px; border-radius: 50%; right: -120px; top: -200px; background: rgba(255,255,255,.14); }
.cta::after { content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%; right: 120px; bottom: -220px; background: rgba(74,40,120,.25); }
.cta > * { position: relative; z-index: 1; }
.cta p { color: rgba(255,255,255,.9); margin-top: 12px; }
.cta__form { background: #fff; border-radius: var(--radius-lg); padding: 24px; color: var(--ink); box-shadow: var(--shadow-lg); display: grid; gap: 12px; }
@media (max-width: 900px) { .cta { grid-template-columns: 1fr; } }

/* SSS */
.faq { display: grid; gap: 12px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .2s, box-shadow .2s; }
.faq details[open] { border-color: var(--brand-200); box-shadow: var(--shadow-sm); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 20px 22px; font-weight: 700; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "\ea13"; font-family: remixicon; font-size: 1.2rem; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--brand-50); color: var(--brand); flex-shrink: 0; transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); background: var(--brand); color: #fff; }
.faq__a { padding: 0 22px 22px; color: var(--ink-2); }

/* 10. FOOTER -------------------------------------------------------------- */
.footer { background: var(--brand-900); color: rgba(255,255,255,.7); position: relative; overflow: hidden; }
.footer::before { content: ""; position: absolute; width: 600px; height: 600px; border-radius: 50%; left: -200px; top: -300px; background: radial-gradient(circle, rgba(138,100,196,.35), transparent 65%); }
.footer > * { position: relative; }
.newsletter { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; padding: 48px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.newsletter h3 { color: #fff; font-size: 1.5rem; }
.newsletter__form { display: flex; gap: 8px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: 999px; padding: 6px; }
.newsletter__form input { flex: 1; min-width: 0; background: none; border: 0; outline: 0; padding: 0 16px; color: #fff; }
.newsletter__form input::placeholder { color: rgba(255,255,255,.5); }
.footer__grid { display: grid; grid-template-columns: 1.5fr repeat(4, 1fr); gap: 40px; padding: 56px 0; }
.footer__brand img { height: 48px; width: auto; filter: brightness(0) invert(1); opacity: .95; }
.footer__brand p { margin-top: 16px; font-size: .92rem; max-width: 320px; }
.footer h4 { color: #fff; font-size: .95rem; margin-bottom: 16px; }
.footer__links { display: grid; gap: 10px; font-size: .92rem; }
.footer__links a:hover { color: #fff; }
.socials { display: flex; gap: 8px; margin-top: 20px; }
.socials a { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: rgba(255,255,255,.08); color: #fff; font-size: 1.1rem; transition: background .2s, transform .2s; }
.socials a:hover { background: var(--accent); transform: translateY(-3px); }
.footer__bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.1); font-size: .84rem; }
.footer__bottom nav { display: flex; gap: 18px; flex-wrap: wrap; }
.footer__bottom a:hover { color: #fff; }
.pay-icons { display: flex; gap: 8px; align-items: center; font-size: 1.6rem; color: rgba(255,255,255,.6); }
@media (max-width: 1024px) { .footer__grid { grid-template-columns: 1fr 1fr 1fr; } .footer__brand { grid-column: 1 / -1; } }
@media (max-width: 720px) { .newsletter { grid-template-columns: 1fr; } .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px 20px; } }

/* Yüzen WhatsApp + mobil alt bar */
.fab-wa { position: fixed; right: 20px; bottom: 20px; z-index: 90; width: 58px; height: 58px; border-radius: 50%; background: #1FAF55; color: #fff; display: grid; place-items: center; font-size: 1.8rem; box-shadow: 0 12px 28px -8px rgba(31,175,85,.7); transition: transform .2s; }
.fab-wa:hover { transform: scale(1.08); }
.fab-wa::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid #1FAF55; animation: pulse 2s infinite; }
@keyframes pulse { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(1.6); opacity: 0; } }
.to-top { position: fixed; right: 26px; bottom: 90px; z-index: 89; width: 46px; height: 46px; border-radius: 50%; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); display: grid; place-items: center; font-size: 1.2rem; opacity: 0; visibility: hidden; transition: all .3s; }
.to-top.is-visible { opacity: 1; visibility: visible; }

/* 11. LİSTE SAYFALARI ------------------------------------------------------ */
.listing { display: grid; grid-template-columns: 290px 1fr; gap: 40px; align-items: start; }
.filters { position: sticky; top: calc(var(--header-h) + 20px); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 8px 22px 22px; max-height: calc(100vh - var(--header-h) - 40px); overflow-y: auto; }
.filters__head { display: none; }
.filter-group { padding: 18px 0; border-bottom: 1px solid var(--line); }
.filter-group:last-of-type { border-bottom: 0; }
.filter-group h3 { font-size: .9rem; font-weight: 700; margin-bottom: 12px; display: flex; justify-content: space-between; }
.check { display: flex; align-items: center; gap: 10px; padding: 6px 0; font-size: .92rem; cursor: pointer; color: var(--ink-2); }
.check input { appearance: none; width: 20px; height: 20px; border: 1.5px solid var(--line-2); border-radius: 6px; display: grid; place-items: center; transition: all .15s; flex-shrink: 0; cursor: pointer; }
.check input[type="radio"] { border-radius: 50%; }
.check input:checked { background: var(--brand); border-color: var(--brand); }
.check input:checked::after { content: "\eb7b"; font-family: remixicon; color: #fff; font-size: .8rem; }
.check input[type="radio"]:checked::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #fff; }
.check small { margin-left: auto; color: var(--muted); font-size: .78rem; }
.range-row { display: flex; gap: 8px; }
.range-row input { width: 100%; }
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.toolbar__left { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.toolbar__count { color: var(--muted); font-size: .92rem; }
.toolbar__count b { color: var(--ink); }
.select { position: relative; }
.select select { appearance: none; padding: 10px 40px 10px 16px; border-radius: 12px; border: 1.5px solid var(--line-2); background: var(--surface); font-weight: 600; font-size: .9rem; cursor: pointer; }
.select::after { content: "\ea4e"; font-family: remixicon; position: absolute; right: 14px; top: 50%; transform: translateY(-50%); pointer-events: none; color: var(--muted); }
.view-toggle { display: flex; background: var(--surface-2); padding: 4px; border-radius: 12px; }
.view-toggle button { width: 36px; height: 36px; border-radius: 9px; display: grid; place-items: center; color: var(--muted); }
.view-toggle button.is-active { background: #fff; color: var(--brand); box-shadow: var(--shadow-xs); }
.active-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.active-filters .chip { padding: 6px 12px; font-size: .82rem; background: var(--brand-50); border-color: var(--brand-100); color: var(--brand); }
.filter-toggle { display: none; }
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 48px; flex-wrap: wrap; }
.pagination a, .pagination span { min-width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; font-weight: 700; border: 1.5px solid var(--line-2); padding: 0 12px; transition: all .2s; }
.pagination a:hover { border-color: var(--brand); color: var(--brand); }
.pagination [aria-current="page"] { background: var(--brand); color: #fff; border-color: var(--brand); }
.pagination span { border: 0; }
.list-view .course-grid { grid-template-columns: 1fr; }
.list-view .course-card { flex-direction: row; gap: 8px; }
.list-view .course-card .thumb { width: 300px; flex-shrink: 0; aspect-ratio: 4 / 3; }
@media (max-width: 1024px) {
  .listing { grid-template-columns: 1fr; }
  .filter-toggle { display: inline-flex; }
  .filters { position: fixed; inset: 0 auto 0 0; top: 0; width: min(360px, 90vw); max-height: none; z-index: 220; border-radius: 0; transform: translateX(-105%); transition: transform .35s var(--ease); padding-top: 0; }
  .filters.is-open { transform: none; box-shadow: var(--shadow-lg); }
  .filters__head { display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; background: #fff; padding: 16px 0; border-bottom: 1px solid var(--line); z-index: 1; }
  .filters__apply { position: sticky; bottom: 0; background: #fff; padding: 16px 0 0; }
  .list-view .course-card { flex-direction: column; }
  .list-view .course-card .thumb { width: 100%; }
}
.backdrop { position: fixed; inset: 0; background: rgba(27, 15, 48, .45); z-index: 215; opacity: 0; visibility: hidden; transition: all .3s; }
.backdrop.is-open { opacity: 1; visibility: visible; }

/* Şube sekmesi (yatay şube seçici) */
.branch-switch { display: flex; gap: 10px; flex-wrap: wrap; }
.branch-switch .chip i { color: var(--accent); }
.branch-switch .chip.is-active i { color: #fff; }

/* 12. DETAY SAYFALARI ------------------------------------------------------ */
.course-hero { position: relative; background: radial-gradient(900px 500px at 95% -10%, rgba(238,122,42,.35), transparent 60%), linear-gradient(160deg, var(--brand) 0%, var(--brand-900) 100%); color: #fff; padding: 36px 0 64px; overflow: hidden; }
.course-hero::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.12) 1px, transparent 1px); background-size: 24px 24px; mask-image: linear-gradient(90deg, transparent, #000 70%); }
.course-hero > * { position: relative; }
.course-hero .breadcrumb, .course-hero .breadcrumb a { color: rgba(255,255,255,.7); }
.course-hero .breadcrumb [aria-current] { color: #fff; }
.course-hero__grid { display: grid; grid-template-columns: 1fr 380px; gap: 48px; margin-top: 24px; }
.course-hero h1 { font-size: clamp(1.9rem, 1.3rem + 2.2vw, 2.9rem); margin-top: 14px; }
.course-hero .lead { color: rgba(255,255,255,.78); margin-top: 16px; max-width: 720px; }
.course-hero__meta { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 24px; font-size: .92rem; color: rgba(255,255,255,.85); }
.course-hero__meta span { display: inline-flex; align-items: center; gap: 8px; }
.course-hero__meta i { color: var(--accent); font-size: 1.1rem; }
.course-hero__tutor { display: flex; align-items: center; gap: 12px; margin-top: 24px; }
.course-hero__tutor .avatar { border: 3px solid rgba(255,255,255,.3); }

.detail-layout { display: grid; grid-template-columns: 1fr 380px; gap: 48px; align-items: start; position: relative; z-index: 2; }
.detail-aside { margin-top: -300px; }
.detail-main { min-width: 0; }
.detail-aside { position: sticky; top: calc(var(--header-h) + 20px); }
.buy-box { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; border: 1px solid var(--line); }
.buy-box .thumb { border-radius: 0; aspect-ratio: 16 / 9; }
.buy-box__play { position: absolute; inset: 0; display: grid; place-items: center; z-index: 2; }
.buy-box__play span { width: 68px; height: 68px; border-radius: 50%; background: #fff; color: var(--brand); display: grid; place-items: center; font-size: 2rem; box-shadow: 0 0 0 10px rgba(255,255,255,.25); transition: transform .2s; }
.buy-box__play:hover span { transform: scale(1.08); }
.buy-box__body { padding: 24px; }
.buy-box .price strong { font-size: 2rem; }
.buy-box__save { color: var(--danger); font-weight: 700; font-size: .86rem; margin-top: 4px; display: flex; align-items: center; gap: 6px; }
.format-switch { display: grid; grid-template-columns: 1fr 1fr; background: var(--surface-2); padding: 4px; border-radius: 14px; margin: 18px 0; }
.format-switch button { padding: 10px; border-radius: 11px; font-weight: 700; font-size: .88rem; color: var(--muted); display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.format-switch button.is-active { background: #fff; color: var(--brand); box-shadow: var(--shadow-xs); }
/* Ders tipi (grup / özel) seçici ve özel ders yapılandırıcı */
.mode-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 4px; }
.mode-switch button { display: flex; gap: 10px; align-items: flex-start; text-align: left; padding: 12px; border: 1.5px solid var(--line-2); border-radius: 14px; transition: all .2s var(--ease); background: #fff; }
.mode-switch button:hover { border-color: var(--brand-400); }
.mode-switch button i { font-size: 1.35rem; color: var(--muted); line-height: 1.2; }
.mode-switch strong { display: block; font-size: .9rem; }
.mode-switch small { display: block; font-size: .72rem; color: var(--muted); line-height: 1.35; margin-top: 2px; }
.mode-switch button.is-active { border-color: var(--brand); background: var(--brand-50); box-shadow: 0 0 0 3px var(--brand-100); }
.mode-switch button.is-active i { color: var(--brand); }
[data-private] .price { margin-top: 18px; }
.buy-step { border: 0; padding: 0; margin: 18px 0 0; min-width: 0; }
.buy-step__label { display: flex; align-items: center; gap: 8px; font-size: .82rem; font-weight: 700; color: var(--ink-2); margin-bottom: 8px; padding: 0; }
.buy-step__label b { width: 20px; height: 20px; border-radius: 50%; background: var(--brand); color: #fff; display: grid; place-items: center; font-size: .68rem; flex-shrink: 0; }
.variant label { position: relative; }
.variant.variant--sm span { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 0 4px; padding: 8px 12px; font-size: .84rem; border-radius: 12px; }
.variant.variant--sm span small { flex-basis: 100%; font-size: .72rem; }
.variant.variant--grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.variant.variant--grid label, .variant.variant--grid span { width: 100%; height: 100%; }
.variant.variant--grid span i { color: var(--brand); }
.variant.variant--days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.variant.variant--days span { width: 100%; padding: 8px 0; justify-content: center; font-size: .76rem; }
.variant input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }
.variant input:disabled + span { opacity: .45; cursor: not-allowed; }
.variant__tag { font-style: normal; font-size: .62rem; font-weight: 800; background: var(--accent); color: #fff; padding: 1px 6px; border-radius: 6px; margin-left: 4px; vertical-align: 1px; }
.text-success { color: var(--success) !important; }
.oz-summary { background: var(--surface-2); border-radius: 12px; padding: 12px 14px; font-size: .82rem; margin-top: 18px; display: grid; gap: 6px; }
.oz-summary div { display: flex; justify-content: space-between; gap: 12px; }
.oz-summary span { color: var(--muted); }
.oz-summary b { text-align: right; font-weight: 700; }
.private-cta { display: flex; align-items: center; gap: 16px; padding: 18px 20px; border-radius: var(--radius-lg); background: linear-gradient(135deg, var(--accent-50), var(--brand-50)); border: 1px solid var(--accent-100); }
.private-cta p { margin-top: 4px; }
.private-cta .btn { margin-left: auto; flex-shrink: 0; }
@media (max-width: 640px) { .private-cta { flex-direction: column; align-items: flex-start; } .private-cta .btn { margin-left: 0; } }
.course-card__private { display: flex; align-items: center; gap: 6px; margin-top: 10px; font-size: .8rem; font-weight: 600; color: var(--accent-700); }
.course-card__private i { font-size: 1rem; }
.buy-box__list { display: grid; gap: 10px; margin-top: 20px; font-size: .9rem; }
.buy-box__list li { display: flex; gap: 10px; align-items: center; color: var(--ink-2); }
.buy-box__list i { color: var(--brand); font-size: 1.1rem; }
.buy-box__foot { display: flex; justify-content: space-around; padding: 14px; border-top: 1px solid var(--line); font-size: .84rem; font-weight: 600; }
.buy-box__foot a { display: inline-flex; gap: 6px; align-items: center; color: var(--muted); }
.buy-box__foot a:hover { color: var(--brand); }
.field-label { display: block; font-size: .8rem; font-weight: 700; color: var(--ink-2); margin-bottom: 6px; }
.guarantee { display: flex; align-items: center; gap: 10px; justify-content: center; font-size: .8rem; color: var(--muted); margin-top: 12px; }

.sub-nav { position: sticky; top: var(--header-h); z-index: 50; background: rgba(255,255,255,.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); margin-bottom: 32px; }
.sub-nav__list { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.sub-nav__list::-webkit-scrollbar { display: none; }
.sub-nav a { display: block; padding: 16px 14px; font-weight: 700; font-size: .9rem; color: var(--muted); border-bottom: 2.5px solid transparent; white-space: nowrap; transition: color .2s, border-color .2s; }
.sub-nav a:hover, .sub-nav a.is-active { color: var(--brand); border-color: var(--brand); }
.detail-section { padding: 36px 0; border-bottom: 1px solid var(--line); }
.detail-section:last-child { border-bottom: 0; }
.detail-section > h2 { font-size: 1.6rem; margin-bottom: 20px; }
.highlight-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm); }
.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; }
.checklist li { display: flex; gap: 12px; color: var(--ink-2); font-size: .95rem; }
.checklist li::before { content: "\eb7b"; font-family: remixicon; width: 24px; height: 24px; border-radius: 50%; background: var(--success-50); color: var(--success); display: grid; place-items: center; flex-shrink: 0; font-size: .9rem; margin-top: 1px; }
@media (max-width: 640px) { .checklist { grid-template-columns: 1fr; } }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.fact { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.fact i { font-size: 1.4rem; color: var(--accent); }
.fact strong { display: block; font-size: 1.1rem; margin-top: 8px; line-height: 1.2; }
.fact span { font-size: .8rem; color: var(--muted); }
@media (max-width: 720px) { .facts { grid-template-columns: 1fr 1fr; } }

/* Müfredat akordiyon */
.curriculum { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.curriculum details + details { border-top: 1px solid var(--line); }
.curriculum summary { list-style: none; display: flex; align-items: center; gap: 14px; padding: 18px 22px; cursor: pointer; background: var(--surface-2); font-weight: 700; }
.curriculum summary::-webkit-details-marker { display: none; }
.curriculum summary > i { transition: transform .25s; color: var(--brand); font-size: 1.3rem; }
.curriculum details[open] summary > i { transform: rotate(180deg); }
.curriculum summary small { margin-left: auto; color: var(--muted); font-weight: 500; font-size: .84rem; white-space: nowrap; }
.lesson { display: flex; align-items: center; gap: 14px; padding: 14px 22px; font-size: .93rem; color: var(--ink-2); }
.lesson + .lesson { border-top: 1px dashed var(--line); }
.lesson i { color: var(--muted); font-size: 1.15rem; }
.lesson__time { margin-left: auto; color: var(--muted); font-size: .84rem; }
.lesson__preview { font-size: .78rem; font-weight: 700; color: var(--accent-600); }
.curriculum-summary { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; font-size: .9rem; color: var(--muted); }

/* Şube uygunluk tablosu */
.branch-table { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.branch-table__row { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr auto; gap: 16px; align-items: center; padding: 18px 22px; }
.branch-table__row + .branch-table__row { border-top: 1px solid var(--line); }
.branch-table__row--head { background: var(--surface-2); font-size: .76rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); padding-block: 12px; }
.branch-table__name { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.branch-table__row.is-off { opacity: .55; }
.seats { font-size: .82rem; font-weight: 700; }
.seats--low { color: var(--danger); }
.seats--ok { color: var(--success); }
@media (max-width: 820px) {
  .branch-table__row { grid-template-columns: 1fr 1fr; }
  .branch-table__row--head { display: none; }
  .branch-table__name { grid-column: 1 / -1; }
  .branch-table__row > :last-child { grid-column: 1 / -1; }
  .branch-table__row [data-label]::before { content: attr(data-label); display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 700; }
}

/* Takvim */
.schedule { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.slot { border: 1.5px solid var(--line-2); border-radius: var(--radius); padding: 16px; cursor: pointer; transition: all .2s; background: #fff; position: relative; }
.slot:hover { border-color: var(--brand-400); }
.slot.is-active { border-color: var(--brand); background: var(--brand-50); box-shadow: 0 0 0 3px var(--brand-100); }
.slot strong { display: block; }
.slot span { font-size: .84rem; color: var(--muted); display: block; }
.slot .badge { position: absolute; top: 12px; right: 12px; }

/* Eğitmen */
.tutor { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding: 28px; }
.tutor__img { width: 120px; height: 120px; border-radius: 24px; display: grid; place-items: center; font-size: 2.4rem; font-weight: 800; color: #fff; }
.tutor__stats { display: flex; gap: 20px; flex-wrap: wrap; margin: 10px 0 14px; font-size: .86rem; color: var(--muted); }
.tutor__stats span { display: inline-flex; gap: 6px; align-items: center; }
.tutor__stats i { color: var(--accent); }
@media (max-width: 560px) { .tutor { grid-template-columns: 1fr; } }

/* Değerlendirme özet */
.rating-summary { display: grid; grid-template-columns: 200px 1fr; gap: 32px; align-items: center; padding: 28px; }
.rating-summary__score { text-align: center; }
.rating-summary__score strong { font-size: 3.6rem; font-weight: 800; line-height: 1; display: block; letter-spacing: -.04em; }
.rating-bars { display: grid; gap: 8px; }
.rating-bar { display: grid; grid-template-columns: 50px 1fr 44px; gap: 12px; align-items: center; font-size: .86rem; color: var(--muted); }
.rating-bar .meter span { background: #F5A524; }
@media (max-width: 560px) { .rating-summary { grid-template-columns: 1fr; } }

/* Tablar */
.tabs__list { display: flex; gap: 4px; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.tabs__btn { padding: 14px 18px; font-weight: 700; color: var(--muted); border-bottom: 2.5px solid transparent; white-space: nowrap; margin-bottom: -1px; transition: color .2s, border-color .2s; }
.tabs__btn[aria-selected="true"] { color: var(--brand); border-color: var(--brand); }
.tabs__panel { padding-top: 28px; }
.tabs__panel[hidden] { display: none; }

/* Kitap detay */
.product { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.gallery { position: sticky; top: calc(var(--header-h) + 20px); }
.gallery__main { position: relative; aspect-ratio: 1; border-radius: var(--radius-xl); background: radial-gradient(circle at 50% 40%, #fff, var(--surface-2) 70%); border: 1px solid var(--line); display: grid; place-items: center; overflow: hidden; }
.gallery__main .book-cover__book { width: 52%; }
.gallery__thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 12px; }
.gallery__thumbs button { aspect-ratio: 1; border-radius: var(--radius); border: 2px solid var(--line); background: var(--surface-2); display: grid; place-items: center; transition: border-color .2s; overflow: hidden; }
.gallery__thumbs button.is-active { border-color: var(--brand); }
.gallery__thumbs .book-cover__book { width: 50%; padding: 8%; box-shadow: 6px 6px 12px -4px rgba(0,0,0,.3); }
.gallery__thumbs .book-cover__book b, .gallery__thumbs .book-cover__book small { display: none; }
.product__info h1 { font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.4rem); margin-top: 12px; }
.product__price { display: flex; align-items: center; gap: 14px; margin-top: 20px; flex-wrap: wrap; }
.product__price strong { font-size: 2.2rem; font-weight: 800; letter-spacing: -.03em; }
.product__price del { color: var(--muted); font-size: 1.1rem; }
.product__actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.qty { display: inline-flex; align-items: center; border: 1.5px solid var(--line-2); border-radius: 999px; height: 56px; background: #fff; }
.qty button { width: 46px; height: 100%; display: grid; place-items: center; font-size: 1.1rem; color: var(--ink-2); }
.qty button:hover { color: var(--brand); }
.qty input { width: 44px; text-align: center; border: 0; outline: 0; font-weight: 700; background: none; -moz-appearance: textfield; }
.qty input::-webkit-outer-spin-button, .qty input::-webkit-inner-spin-button { -webkit-appearance: none; }
.qty--sm { height: 40px; }
.qty--sm button { width: 34px; }
.qty--sm input { width: 32px; }
.perks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 28px; }
.perk { display: flex; gap: 10px; align-items: center; padding: 14px; border-radius: var(--radius); background: var(--surface-2); font-size: .82rem; font-weight: 600; line-height: 1.35; }
.perk i { font-size: 1.4rem; color: var(--brand); }
.spec-table { width: 100%; font-size: .94rem; }
.spec-table th, .spec-table td { text-align: left; padding: 14px 0; border-bottom: 1px solid var(--line); }
.spec-table th { color: var(--muted); font-weight: 600; width: 40%; }
.variant { display: flex; gap: 10px; flex-wrap: wrap; }
.variant label { cursor: pointer; }
.variant input { position: absolute; opacity: 0; }
.variant span { display: inline-flex; flex-direction: column; padding: 10px 16px; border-radius: 14px; border: 1.5px solid var(--line-2); font-weight: 700; font-size: .88rem; transition: all .2s; }
.variant span small { font-weight: 500; color: var(--muted); }
.variant input:checked + span { border-color: var(--brand); background: var(--brand-50); color: var(--brand); }
@media (max-width: 960px) { .product { grid-template-columns: 1fr; gap: 32px; } .gallery { position: static; } }
@media (max-width: 520px) { .perks { grid-template-columns: 1fr; } }

@media (max-width: 1024px) {
  .course-hero__grid, .detail-layout { grid-template-columns: 1fr; }
  .detail-aside { margin-top: 24px; }
  .detail-aside { position: static; order: -1; }
  .course-hero { padding-bottom: 48px; }
}

/* Mobil yapışkan satın al çubuğu */
.sticky-buy { position: fixed; left: 0; right: 0; bottom: 0; z-index: 95; background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -10px 30px -12px rgba(27,15,48,.2); padding: 12px 16px; display: none; align-items: center; gap: 12px; transform: translateY(100%); transition: transform .3s var(--ease); }
.sticky-buy.is-visible { transform: none; }
.sticky-buy .btn { flex: 1; }
@media (max-width: 1024px) { .sticky-buy { display: flex; } .has-sticky-buy .fab-wa { bottom: 90px; } .has-sticky-buy .to-top { bottom: 160px; } }

/* 13. SEPET / ÖDEME -------------------------------------------------------- */
.checkout-steps { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; flex-wrap: wrap; }
.checkout-steps li { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: .92rem; color: var(--muted); }
.checkout-steps li span { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; border: 2px solid var(--line-2); font-size: .86rem; }
.checkout-steps li.is-done span { background: var(--success); border-color: var(--success); color: #fff; }
.checkout-steps li.is-current { color: var(--ink); }
.checkout-steps li.is-current span { background: var(--brand); border-color: var(--brand); color: #fff; }
.checkout-steps .sep { flex: 1; min-width: 20px; height: 2px; background: var(--line-2); max-width: 90px; }
.cart-layout { display: grid; grid-template-columns: 1fr 400px; gap: 40px; align-items: start; }
.cart-item { display: grid; grid-template-columns: 110px 1fr auto; gap: 20px; padding: 22px; align-items: center; }
.cart-item + .cart-item { border-top: 1px solid var(--line); }
.cart-item__img { width: 110px; aspect-ratio: 1; border-radius: var(--radius); display: grid; place-items: center; overflow: hidden; }
.cart-item__img .book-cover__book { width: 56%; padding: 10%; }
.cart-item__img .book-cover__book b, .cart-item__img .book-cover__book small { display: none; }
.cart-item h3 { font-size: 1.02rem; }
.cart-item__meta { font-size: .84rem; color: var(--muted); display: flex; gap: 14px; flex-wrap: wrap; margin-top: 6px; }
.cart-item__actions { display: flex; align-items: center; gap: 14px; margin-top: 12px; }
.cart-item__remove { font-size: .84rem; color: var(--muted); display: inline-flex; gap: 4px; align-items: center; }
.cart-item__remove:hover { color: var(--danger); }
.cart-item__price { text-align: right; }
.summary { position: sticky; top: calc(var(--header-h) + 20px); padding: 28px; }
.summary h2 { font-size: 1.3rem; margin-bottom: 18px; }
.summary__row { display: flex; justify-content: space-between; padding: 8px 0; font-size: .94rem; color: var(--ink-2); }
.summary__row--total { border-top: 1px solid var(--line); margin-top: 10px; padding-top: 18px; font-size: 1.15rem; font-weight: 800; color: var(--ink); }
.summary__row--discount { color: var(--success); font-weight: 600; }
.coupon { display: flex; gap: 8px; margin: 18px 0; }
.coupon input { flex: 1; min-width: 0; }
.installments { display: grid; gap: 8px; margin-top: 16px; }
.installment { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border: 1.5px solid var(--line-2); border-radius: 12px; cursor: pointer; font-size: .9rem; }
.installment:has(input:checked) { border-color: var(--brand); background: var(--brand-50); }
.pay-card { border-radius: 20px; padding: 24px; color: #fff; aspect-ratio: 1.586; max-width: 380px; background: linear-gradient(135deg, var(--brand-500), var(--brand-900)); display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; box-shadow: var(--shadow-lg); }
.pay-card::after { content: ""; position: absolute; width: 220px; height: 220px; border-radius: 50%; background: var(--accent); opacity: .5; right: -70px; top: -90px; }
.pay-card > * { position: relative; z-index: 1; }
.pay-card__num { font-size: 1.3rem; letter-spacing: .12em; font-weight: 600; }
.pay-methods { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 24px; }
.pay-method { padding: 16px; border: 1.5px solid var(--line-2); border-radius: 14px; text-align: center; cursor: pointer; font-weight: 700; font-size: .86rem; display: flex; flex-direction: column; align-items: center; gap: 6px; transition: all .2s; }
.pay-method i { font-size: 1.5rem; color: var(--brand); }
.pay-method:has(input:checked) { border-color: var(--brand); background: var(--brand-50); }
.pay-method input { position: absolute; opacity: 0; }
@media (max-width: 1024px) { .cart-layout { grid-template-columns: 1fr; } .summary { position: static; } }
@media (max-width: 560px) { .cart-item { grid-template-columns: 80px 1fr; } .cart-item__img { width: 80px; } .cart-item__price { grid-column: 2; text-align: left; } .pay-methods { grid-template-columns: 1fr; } }

/* 14. BLOG İÇERİK ---------------------------------------------------------- */
.article-hero { padding: 40px 0 0; }
.article-hero h1 { font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3.1rem); margin-top: 18px; max-width: 900px; }
.article-meta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 24px; font-size: .9rem; color: var(--muted); }
.article-meta .avatar { width: 44px; height: 44px; }
.article-meta strong { color: var(--ink); display: block; }
.article-cover { margin-top: 36px; border-radius: var(--radius-xl); aspect-ratio: 21 / 9; }
.article-cover .thumb__art { font-size: 6rem; }
.article-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr) 300px; gap: 48px; align-items: start; padding: 56px 0; }
.toc { position: sticky; top: calc(var(--header-h) + 24px); font-size: .88rem; }
.toc h2 { font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.toc ol { display: grid; gap: 2px; border-left: 2px solid var(--line); }
.toc a { display: block; padding: 6px 0 6px 14px; margin-left: -2px; border-left: 2px solid transparent; color: var(--muted); font-weight: 600; transition: all .2s; }
.toc a:hover, .toc a.is-active { color: var(--brand); border-color: var(--brand); }
.share { display: flex; gap: 8px; margin-top: 24px; }
.share a { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); display: grid; place-items: center; color: var(--ink-2); transition: all .2s; }
.share a:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.prose { font-size: 1.07rem; line-height: 1.85; color: var(--ink-2); }
.prose > * + * { margin-top: 1.3em; }
.prose h2 { font-size: 1.75rem; color: var(--ink); margin-top: 2em; }
.prose h3 { font-size: 1.3rem; color: var(--ink); margin-top: 1.6em; }
.prose a { color: var(--brand); text-decoration: underline; text-decoration-color: var(--brand-200); text-underline-offset: 3px; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .5em; }
.prose li::marker { color: var(--accent); }
.prose blockquote { border-left: 4px solid var(--accent); padding: 20px 26px; background: var(--accent-50); border-radius: 0 var(--radius) var(--radius) 0; font-size: 1.15rem; font-weight: 600; color: var(--ink); }
.prose figure figcaption { font-size: .86rem; color: var(--muted); margin-top: 10px; text-align: center; }
.prose table { font-size: .94rem; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: block; overflow-x: auto; }
.prose th, .prose td { padding: 12px 16px; border-bottom: 1px solid var(--line); text-align: left; }
.prose th { background: var(--surface-2); color: var(--ink); }
.callout { display: flex; gap: 16px; padding: 22px; border-radius: var(--radius); background: var(--brand-50); border: 1px solid var(--brand-100); font-size: .98rem; }
.callout i { font-size: 1.5rem; color: var(--brand); }
.callout strong { color: var(--ink); display: block; }
.inline-cta { display: flex; gap: 20px; align-items: center; padding: 24px; border-radius: var(--radius-lg); background: var(--brand-900); color: #fff; }
.inline-cta p { color: rgba(255,255,255,.7); font-size: .92rem; margin: 4px 0 0; }
.inline-cta .btn { margin-left: auto; }
.author-box { display: flex; gap: 20px; padding: 28px; margin-top: 48px; }
.sidebar-widget { padding: 24px; }
.sidebar-widget + .sidebar-widget { margin-top: 20px; }
.sidebar-widget h3 { font-size: 1rem; margin-bottom: 16px; }
.mini-post { display: flex; gap: 12px; align-items: center; }
.mini-post + .mini-post { margin-top: 14px; }
.mini-post > span { display: block; }
.mini-post .thumb { width: 72px; flex-shrink: 0; aspect-ratio: 1; border-radius: 12px; }
.mini-post .thumb__art { font-size: 1.5rem; }
.mini-post strong { font-size: .88rem; line-height: 1.4; display: block; }
.mini-post span { font-size: .76rem; color: var(--muted); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a { padding: 6px 12px; border-radius: 8px; background: var(--surface-2); font-size: .82rem; font-weight: 600; transition: all .2s; }
.tag-cloud a:hover { background: var(--brand); color: #fff; }
.blog-feature { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; }
.blog-feature > .grid { gap: 16px; }
.post-card--row { flex-direction: row; align-items: center; gap: 6px; }
.post-card--row .thumb { width: 130px; flex-shrink: 0; aspect-ratio: 1; }
.post-card--row .thumb__art { font-size: 2rem; }
.post-card--row .post-card__body { padding: 8px 12px; }
.post-card--row .post-card__title { font-size: 1rem; margin-top: 6px; }
@media (max-width: 900px) { .blog-feature { grid-template-columns: 1fr; } }
@media (max-width: 420px) { .post-card--row .thumb { width: 96px; } }
@media (max-width: 1180px) { .article-layout { grid-template-columns: minmax(0, 1fr) 300px; } .toc-wrap { display: none; } }
@media (max-width: 900px) { .article-layout { grid-template-columns: 1fr; } .inline-cta { flex-direction: column; align-items: flex-start; } .inline-cta .btn { margin-left: 0; } }
.reading-progress { position: fixed; top: 0; left: 0; height: 3px; background: linear-gradient(90deg, var(--brand), var(--accent)); z-index: 300; width: 0; }

/* 15. AI DENEME SINAVI ----------------------------------------------------- */
.exam-pick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.exam-card { padding: 26px; display: flex; flex-direction: column; gap: 14px; position: relative; overflow: hidden; }
.exam-card__flag { font-size: 2.2rem; line-height: 1; }
.exam-card h3 { font-size: 1.2rem; }
.exam-card ul { display: grid; gap: 6px; font-size: .88rem; color: var(--muted); }
.exam-card ul li { display: flex; gap: 8px; align-items: center; }
.exam-card ul i { color: var(--brand); }
.exam-card .btn { margin-top: auto; }
.exam-card.is-featured { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-100); }
.cefr { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.cefr div { text-align: center; padding: 12px 4px; border-radius: 12px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.1); }
.cefr b { display: block; font-size: 1.2rem; }
.cefr span { font-size: .7rem; opacity: .7; }
@media (max-width: 900px) { .exam-pick { grid-template-columns: 1fr; } }

.quiz-app { min-height: calc(100vh - var(--header-h)); background: var(--surface-2); padding: 32px 0 64px; }
.quiz-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.quiz-timer { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-weight: 800; font-variant-numeric: tabular-nums; }
.quiz-timer i { color: var(--accent); }
.quiz-progress { height: 10px; border-radius: 99px; background: #fff; border: 1px solid var(--line); overflow: hidden; }
.quiz-progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--brand-500), var(--accent)); border-radius: inherit; transition: width .5s var(--ease); }
.quiz-grid { display: grid; grid-template-columns: 1fr 300px; gap: 24px; margin-top: 24px; align-items: start; }
.question { padding: clamp(24px, 4vw, 44px); }
.question__meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.question__text { font-size: clamp(1.2rem, 1rem + .8vw, 1.55rem); font-weight: 700; line-height: 1.45; margin-top: 18px; letter-spacing: -.01em; }
.question__passage { margin-top: 18px; padding: 20px; background: var(--surface-2); border-radius: var(--radius); font-size: .98rem; color: var(--ink-2); border-left: 4px solid var(--brand-200); }
.options { display: grid; gap: 12px; margin-top: 28px; }
.option { display: flex; align-items: center; gap: 16px; padding: 16px 18px; border: 1.5px solid var(--line-2); border-radius: 16px; cursor: pointer; transition: all .2s; background: #fff; font-weight: 600; text-align: left; width: 100%; }
.option:hover { border-color: var(--brand-400); background: var(--brand-50); }
.option__key { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: var(--surface-2); font-weight: 800; flex-shrink: 0; transition: all .2s; }
.option.is-selected { border-color: var(--brand); background: var(--brand-50); }
.option.is-selected .option__key { background: var(--brand); color: #fff; }
.option.is-correct { border-color: var(--success); background: var(--success-50); }
.option.is-correct .option__key { background: var(--success); color: #fff; }
.option.is-wrong { border-color: var(--danger); background: var(--danger-50); }
.option.is-wrong .option__key { background: var(--danger); color: #fff; }
.question__foot { display: flex; justify-content: space-between; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.q-nav { padding: 22px; position: sticky; top: calc(var(--header-h) + 20px); }
.q-nav__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-top: 14px; }
.q-nav__grid button { aspect-ratio: 1; border-radius: 10px; border: 1.5px solid var(--line-2); font-weight: 700; font-size: .86rem; transition: all .2s; }
.q-nav__grid button.is-answered { background: var(--brand-50); border-color: var(--brand-200); color: var(--brand); }
.q-nav__grid button.is-current { background: var(--brand); color: #fff; border-color: var(--brand); }
.q-legend { display: grid; gap: 6px; margin-top: 16px; font-size: .8rem; color: var(--muted); }
.q-legend span { display: flex; align-items: center; gap: 8px; }
.q-legend i { width: 14px; height: 14px; border-radius: 4px; border: 1.5px solid var(--line-2); display: inline-block; }
.ai-hint { display: flex; gap: 12px; margin-top: 20px; padding: 16px; border-radius: var(--radius); background: linear-gradient(135deg, var(--brand-50), var(--accent-50)); font-size: .9rem; }
.ai-hint i { font-size: 1.3rem; color: var(--brand); }
.result { display: none; }
.result.is-visible { display: block; }
.result-hero { text-align: center; padding: clamp(28px, 5vw, 56px); }
.level-ring { --p: 70; width: 190px; height: 190px; border-radius: 50%; margin: 0 auto; display: grid; place-items: center;
  background: conic-gradient(var(--accent) calc(var(--p) * 1%), var(--brand-50) 0); position: relative; }
.level-ring::before { content: ""; position: absolute; inset: 14px; border-radius: 50%; background: #fff; }
.level-ring div { position: relative; }
.level-ring strong { display: block; font-size: 3.2rem; font-weight: 800; line-height: 1; color: var(--brand); }
.level-ring span { font-size: .8rem; color: var(--muted); font-weight: 600; }
.skill-bars { display: grid; gap: 16px; }
.skill-bar__top { display: flex; justify-content: space-between; font-size: .9rem; font-weight: 700; margin-bottom: 6px; }
@media (max-width: 960px) { .quiz-grid { grid-template-columns: 1fr; } .q-nav { position: static; order: -1; } .q-nav__grid { grid-template-columns: repeat(10, 1fr); } .q-legend { display: none; } }
@media (max-width: 480px) { .q-nav__grid { grid-template-columns: repeat(5, 1fr); } }

/* 16. FORMLAR ------------------------------------------------------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: .84rem; font-weight: 700; color: var(--ink-2); }
.field label .req { color: var(--danger); }
.input, .field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--line-2); border-radius: 12px; background: #fff; outline: 0;
  transition: border-color .2s, box-shadow .2s; font-size: .95rem;
}
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24'%3E%3Cpath fill='%236C6684' d='M12 15l-5-5h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 40px; }
.field textarea { min-height: 130px; resize: vertical; }
.input:focus, .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 4px var(--brand-100); }
.field__hint { font-size: .78rem; color: var(--muted); }
.input-icon { position: relative; }
.input-icon i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 1.15rem; }
.input-icon input { padding-left: 42px; }
.consent { display: flex; gap: 10px; font-size: .82rem; color: var(--muted); align-items: flex-start; }
.consent a { color: var(--brand); text-decoration: underline; }
.consent input { margin-top: 3px; accent-color: var(--brand); }
.form-card { padding: clamp(24px, 4vw, 36px); }
.form-card h2 { font-size: 1.4rem; }

/* Giriş */
.auth { display: grid; grid-template-columns: 1fr 1fr; min-height: calc(100vh - var(--header-h)); }
.auth__art { position: relative; overflow: hidden; padding: 56px; color: #fff; display: flex; flex-direction: column; justify-content: space-between;
  background: radial-gradient(600px 400px at 100% 0%, rgba(238,122,42,.5), transparent 60%), linear-gradient(160deg, var(--brand), var(--brand-900)); }
.auth__art::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px); background-size: 22px 22px; }
.auth__art > * { position: relative; }
.auth__form { display: grid; place-items: center; padding: 48px 24px; }
.auth__box { width: 100%; max-width: 420px; }
.social-login { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.divider { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: .82rem; margin: 22px 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
@media (max-width: 900px) { .auth { grid-template-columns: 1fr; } .auth__art { display: none; } }

/* 17. YARDIMCILAR / ANİMASYON --------------------------------------------- */
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 140%); z-index: 400; background: var(--brand-900); color: #fff; padding: 14px 18px 14px 14px; border-radius: 16px; box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 12px; transition: transform .4s var(--ease); max-width: calc(100vw - 32px); font-size: .92rem; }
.toast.is-visible { transform: translate(-50%, 0); }
.toast i { width: 34px; height: 34px; border-radius: 10px; background: var(--success); display: grid; place-items: center; font-size: 1.1rem; flex-shrink: 0; }
.toast a { color: var(--accent); font-weight: 700; margin-left: 6px; white-space: nowrap; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}
.empty { text-align: center; padding: 64px 24px; }
.empty .icon-box { width: 84px; height: 84px; font-size: 2.4rem; border-radius: 26px; margin: 0 auto 20px; }
.map-embed { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 16 / 10; background: #E9E5F1; position: relative; }
.map-embed iframe { width: 100%; height: 100%; border: 0; display: block; }
.notice { display: flex; gap: 12px; padding: 14px 18px; border-radius: 14px; background: var(--accent-50); color: var(--accent-700); font-size: .9rem; font-weight: 600; align-items: center; }
.kbd { display: inline-block; padding: 1px 7px; border-radius: 6px; border: 1px solid var(--line-2); background: #fff; font-size: .78rem; font-weight: 700; color: var(--muted); }

/* 18. DINAMIK EKLER (ASP.NET) --------------------------------------------- */
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }
.alert { display: flex; gap: 12px; padding: 14px 18px; border-radius: 14px; font-size: .92rem; font-weight: 600; align-items: flex-start; }
.alert i { font-size: 1.2rem; line-height: 1.2; }
.alert--error { background: var(--danger-50); color: var(--danger); }
.alert--success { background: var(--success-50); color: var(--success); }
.alert--info { background: var(--brand-50); color: var(--brand); }
.paytr-frame { width: 100%; min-height: 620px; border: 0; }
.order-status { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; font-weight: 700; font-size: .85rem; background: var(--brand-50); color: var(--brand); }
.order-status--ok { background: var(--success-50); color: var(--success); }
.order-status--bad { background: var(--danger-50); color: var(--danger); }
.account-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.account-table th, .account-table td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.account-table th { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.gallery__main img { max-height: 100%; max-width: 100%; object-fit: contain; }
.gallery__thumbs button img { width: 100%; height: 100%; object-fit: cover; }
.tutor__img img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.consent { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 120; max-width: 760px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-lg); padding: 16px 18px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.consent p { flex: 1; min-width: 240px; margin: 0; font-size: .88rem; color: var(--ink-2); }
.consent a { color: var(--brand); font-weight: 700; }
.consent__actions { display: flex; gap: 8px; }