/* ==========================================================================
   FUWELL — Tasarım sistemi (Web Master Book 2026)
   Koyu botanik olive-black + sıcak ivory + kontrollü muted gold.
   Gold yalnızca molekül vurgusu, ince çizgi, numara ve CTA detayında.

   01 Tokenlar            09 Bölüm temaları + doku    17 Carousel
   02 Reset / taban       10 Sayfa hero'su            18 Video modal
   03 Tipografi           11 Bölüm başlığı            19 Formlar
   04 Yerleşim            12 Bileşenler               20 Blog
   05 Buton / bağlantı    13 Molekül + reveal         21 Basit sayfa / 404
   06 Header              14 Kartlar                  22 İllüstrasyonlar
   07 Drawer (mobil menü) 15 Adımlar                  23 Yardımcılar
   08 Footer              16 CTA bandı                24 Hareket azaltma
   ========================================================================== */

/* 01 — Tokenlar ------------------------------------------------------------ */
/* Cormorant'ın Google alt kümesinde alt simge rakamlar (CO₂) yok → yalnızca bu aralık için uyumlu yerel serif */
@font-face {
    font-family: 'FW Inferiors';
    src: local('Palatino Linotype'), local('Palatino'), local('Book Antiqua'), local('Cambria'), local('Constantia');
    unicode-range: U+2070-209F;
    size-adjust: 80%;
}
/* Inter'in Google alt kümesinde de alt simge rakamlar yok → gövde metni için yerel sans (normal ağırlık) */
@font-face {
    font-family: 'FW Inferiors Sans';
    src: local('Segoe UI'), local('SegoeUI'), local('Helvetica Neue'), local('Arial');
    unicode-range: U+2070-209F;
    font-weight: 100 900;
}
:root {
    --c-ink-950: #0C100A;
    --c-ink-900: #11160F;
    --c-ink-850: #161D13;
    --c-ink-800: #1D2519;
    --c-ink-700: #2A3423;
    --c-olive-500: #6F7A5A;
    --c-olive-300: #A7AC91;
    --c-ivory-50: #FBF8F1;
    --c-ivory-100: #F5EFE3;
    --c-ivory-200: #ECE4D3;
    --c-ivory-300: #DCD1BA;
    --c-gold-300: #DCC28F;
    --c-gold-400: #C6A46A;
    --c-gold-500: #B08D57;
    --c-gold-700: #7A5E33;          /* ivory üzerinde küçük gold metin (AA) */
    --c-text: #1C2117;
    --c-text-muted: #596050;
    --c-text-inv: #EFE9DC;
    --c-text-inv-muted: rgba(239, 233, 220, .68);
    --c-line-dark: rgba(198, 164, 106, .24);
    --c-line-light: #DCD1BA;

    --font-display: 'FW Inferiors', 'Cormorant Garamond', 'Cormorant', Georgia, 'Times New Roman', serif;
    --font-sans: 'FW Inferiors Sans', 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

    --container: 1280px;
    --gutter: clamp(20px, 4vw, 48px);
    --section-y: clamp(80px, 10vw, 144px);
    --header-h: 84px;
    --header-h-scrolled: 84px;      /* ≥1240px'te scroll sonrası 72px — sticky öğeler bunu kullanmalı */
    --gap: clamp(16px, 2vw, 28px);

    --radius-sm: 3px;
    --radius: 6px;
    --radius-lg: 10px;
    --radius-pill: 999px;
    --ease: cubic-bezier(.2, .7, .2, 1);
    --dur: 900ms;

    --fs-display: clamp(44px, 6vw, 92px);
    --fs-h1: clamp(40px, 5vw, 76px);
    --fs-h2: clamp(34px, 4.1vw, 60px);
    --fs-h3: clamp(22px, 2vw, 30px);
    --fs-lead: clamp(18px, 1.4vw, 20px);

    /* Film greni (feTurbulence) — koyu zeminde açık, açık zeminde koyu */
    --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .7 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    --grain-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .1 0 0 0 0 .12 0 0 0 0 .08 0 0 0 .7 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@media (max-width: 767px) {
    :root { --header-h: 72px; --header-h-scrolled: 72px; }
}
@media (min-width: 1240px) {
    :root { --header-h-scrolled: 72px; }
}

/* Tema değişkenleri — bileşenler bunları kullanır, açık/koyu zeminde kendiliğinden uyum sağlar */
:root,
.theme-light,
.section--paper,
.section--ivory,
.section--sand {
    --t-bg: var(--c-ivory-50);
    --t-fg: var(--c-text);
    --t-strong: var(--c-ink-900);
    --t-muted: var(--c-text-muted);
    --t-lead: #3B4234;
    --t-line: var(--c-line-light);
    --t-line-soft: rgba(28, 33, 23, .08);
    --t-gold: var(--c-gold-700);
    --t-gold-line: var(--c-gold-500);
    --t-surface: #FFFDF8;
    --t-surface-2: var(--c-ivory-100);
    --t-input: #FFFDF8;
    --t-grain: var(--grain-dark);
    --t-grain-o: .05;
    --mol-color: var(--c-gold-500);
    --vis-color: var(--c-gold-500);
    --vis-text: var(--c-text-muted);
    --vis-strong: var(--c-ink-900);
    --vis-accent: var(--c-gold-700);    /* ivory üzerinde küçük gold metin → AA */
    --t-focus: var(--c-gold-700);
}
.theme-dark,
.section--dark,
.section--ink,
.page-hero,
.site-header,
.drawer,
.site-footer,
.cta-band,
.notfound {
    --t-bg: var(--c-ink-900);
    --t-fg: var(--c-text-inv);
    --t-strong: var(--c-ivory-50);
    --t-muted: var(--c-text-inv-muted);
    --t-lead: rgba(239, 233, 220, .84);
    --t-line: var(--c-line-dark);
    --t-line-soft: rgba(239, 233, 220, .08);
    --t-gold: var(--c-gold-400);
    --t-gold-line: var(--c-gold-400);
    --t-surface: var(--c-ink-850);
    --t-surface-2: var(--c-ink-800);
    --t-input: rgba(239, 233, 220, .035);
    --t-grain: var(--grain);
    --t-grain-o: .045;
    --mol-color: var(--c-gold-400);
    --vis-color: var(--c-gold-400);
    --vis-text: rgba(239, 233, 220, .7);
    --vis-strong: var(--c-ivory-50);
    --vis-accent: var(--c-gold-400);
    --t-focus: var(--c-gold-400);
}

/* 02 — Reset / taban -------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    background: var(--c-ink-950);
}
body {
    margin: 0;
    min-height: 100vh;
    background: var(--c-ivory-50);
    color: var(--t-muted);
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}
@supports (overflow: clip) { body { overflow-x: clip; } }
@media (min-width: 1024px) { body { font-size: 17px; } }
img, svg, video, picture, canvas { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd, ol, ul { margin: 0; }
ol, ul { padding: 0; }
[hidden] { display: none !important; }
[id] { scroll-margin-top: calc(var(--header-h) + 16px); }
::selection { background: rgba(198, 164, 106, .32); color: inherit; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--t-focus, var(--c-gold-700)); outline-offset: 3px; border-radius: 2px; }
html.is-locked, html.is-locked body { overflow: hidden; }

/* 03 — Tipografi ------------------------------------------------------------ */
h1, h2, h3, h4,
.display, .h1, .h2, .h3, .section-title {
    font-family: var(--font-display);
    font-weight: 500;
    color: var(--t-strong);
    letter-spacing: -.01em;
    line-height: 1.08;
    text-wrap: balance;
    font-feature-settings: "lnum" 1, "kern" 1;
}
.display { font-size: var(--fs-display); line-height: 1.02; letter-spacing: -.012em; }
h1, .h1 { font-size: var(--fs-h1); line-height: 1.04; }
h2, .h2, .section-title { font-size: var(--fs-h2); line-height: 1.06; }
h3, .h3 { font-size: var(--fs-h3); line-height: 1.15; }
h4, .h4 { font-size: clamp(19px, 1.5vw, 22px); line-height: 1.25; }
.display em, h1 em, h2 em, .section-title em { font-style: italic; font-weight: 400; }
.ln { display: block; text-wrap: inherit; }
p, li { text-wrap: pretty; }
strong, b { font-weight: 600; color: var(--t-fg); }
.lead { font-size: var(--fs-lead); line-height: 1.6; color: var(--t-lead); }
.caps,
.small-caps {
    font-family: var(--font-sans);
    font-size: 11.5px;
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: .22em;
    text-transform: uppercase;
}
.eyebrow {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 0 0 clamp(16px, 1.6vw, 22px);
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 500;
    line-height: 1.35;
    letter-spacing: .24em;
    text-transform: uppercase;
    color: var(--t-gold);
}
.eyebrow--rule::before {
    content: "";
    flex: none;
    width: 32px;
    height: 1px;
    background: currentColor;
    opacity: .75;
}
.serif { font-family: var(--font-display); }
.italic { font-style: italic; }
.text-strong { color: var(--t-strong); }
.text-muted { color: var(--t-muted); }
.text-gold { color: var(--t-gold); }
.num, .tabular { font-variant-numeric: tabular-nums lining-nums; }

/* 04 — Yerleşim ------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: calc(var(--container) + var(--gutter) * 2);
    margin-inline: auto;
    padding-inline: var(--gutter);
}
.container--narrow { --container: 880px; }
.container--wide { --container: 1440px; }
.grid { display: grid; gap: var(--gap); }
.grid-2, .grid-3, .grid-4 { display: grid; gap: var(--gap); grid-template-columns: minmax(0, 1fr); }
@media (min-width: 720px) {
    .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 560px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.split { display: grid; gap: clamp(40px, 6vw, 96px); align-items: center; }
@media (min-width: 960px) {
    .split { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .split--5-7 { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
    .split--7-5 { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
    .split--top { align-items: start; }
}
.flow > * + * { margin-top: var(--flow, 1.1em); }
.stack { display: grid; gap: var(--stack, 24px); }
.hairline { height: 1px; border: 0; margin: 0; background: var(--t-line); }

/* 05 — Buton / bağlantı ----------------------------------------------------- */
.btn {
    --btn-bg: transparent;
    --btn-fg: var(--t-strong);
    --btn-bd: transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    min-height: 48px;
    padding: 14px 22px 14px 26px;
    border: 1px solid var(--btn-bd);
    border-radius: var(--radius-pill);
    background: var(--btn-bg);
    color: var(--btn-fg);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: .01em;
    white-space: nowrap;
    text-decoration: none;
    cursor: pointer;
    transition: background-color .4s var(--ease), border-color .4s var(--ease), color .4s var(--ease), box-shadow .4s var(--ease);
}
.btn i { font-size: 16px; transition: transform .45s var(--ease); }
.btn:hover i, .btn:focus-visible i { transform: translateX(4px); }
.btn:focus-visible { outline: 2px solid var(--t-focus, var(--c-gold-700)); outline-offset: 3px; }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
.btn--gold { --btn-bg: var(--c-gold-300); --btn-fg: var(--c-ink-950); }
.btn--gold:hover { --btn-bg: var(--c-gold-400); }
.btn--light { --btn-bg: var(--c-ivory-100); --btn-fg: var(--c-ink-950); }
.btn--light:hover { --btn-bg: var(--c-ivory-50); }
.btn--dark { --btn-bg: var(--c-ink-900); --btn-fg: var(--c-ivory-50); }
.btn--dark:hover { --btn-bg: var(--c-ink-700); }
.btn--outline {
    --btn-fg: var(--t-strong);
    --btn-bd: rgba(128, 128, 110, .45);
    --btn-bd: color-mix(in srgb, currentColor 40%, transparent);
}
.btn--outline:hover { --btn-bd: var(--c-gold-400); --btn-bg: rgba(198, 164, 106, .08); }
.btn--sm { min-height: 40px; padding: 10px 18px 10px 20px; font-size: 13px; gap: 10px; }
.btn--sm i { font-size: 14px; }
.btn--block { width: 100%; }
.btn.is-loading { cursor: progress; opacity: .75; }
.btn-group { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; }

.btn-play {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 0;
    border: 0;
    background: none;
    color: var(--t-strong);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}
.btn-play__icon {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(239, 233, 220, .45);
    border: 1px solid color-mix(in srgb, currentColor 45%, transparent);
    border-radius: 50%;
    transition: background-color .4s var(--ease), border-color .4s var(--ease), color .4s var(--ease);
}
.btn-play__icon i { font-size: 15px; margin-left: 2px; }
.btn-play:hover .btn-play__icon { background: var(--c-gold-400); border-color: var(--c-gold-400); color: var(--c-ink-950); }

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--t-strong);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    text-decoration: none;
    transition: color .35s var(--ease);
}
/* metin <span> içinde olmalı: alt çizgi yalnız metne uygulanır */
.link-arrow > span {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 6px;
    text-decoration-color: rgba(128, 128, 110, .5);
    text-decoration-color: color-mix(in srgb, currentColor 45%, transparent);
    transition: text-decoration-color .35s var(--ease);
}
.link-arrow i { font-size: 16px; transition: transform .45s var(--ease); }
.link-arrow:hover > span, a:hover .link-arrow > span { text-decoration-color: var(--t-gold-line); }
.link-arrow:hover i, a:hover .link-arrow i { transform: translateX(4px); }
.link-arrow--back:hover i, a:hover .link-arrow--back i { transform: translateX(-4px); }

/* 06 — Header --------------------------------------------------------------- */
.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 80;
    height: var(--header-h);
    color: var(--c-text-inv);
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background-color .5s var(--ease), border-color .5s var(--ease), height .5s var(--ease), backdrop-filter .5s var(--ease);
}
.site-header::before {
    /* hero üzerinde okunabilirlik için yumuşak üst gölge */
    content: "";
    position: absolute;
    inset: 0 0 -40px;
    background: linear-gradient(180deg, rgba(12, 16, 10, .55), rgba(12, 16, 10, 0));
    pointer-events: none;
    transition: opacity .5s var(--ease);
    z-index: -1;
}
.site-header.is-scrolled {
    background: rgba(12, 16, 10, .9);
    -webkit-backdrop-filter: blur(14px) saturate(120%);
    backdrop-filter: blur(14px) saturate(120%);
    border-bottom-color: var(--c-line-dark);
}
.site-header.is-scrolled::before { opacity: 0; }
@media (min-width: 1240px) {
    .site-header.is-scrolled { height: 72px; }
}
.site-header__inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
/* Logo: fw_logo_img() → <span class="fw-logo"><img></span>; görünür yükseklik bağlamdaki --logo-h */
.fw-logo {
    display: block;
    overflow: hidden;
    height: var(--logo-h, 34px);
    width: calc(var(--logo-h, 34px) * var(--lg-ar, 4.578));
}
.fw-logo img {
    max-width: none;
    width: auto;
    height: calc(var(--logo-h, 34px) * var(--lg-sh, 1));
    margin: calc(var(--logo-h, 34px) * var(--lg-y, 0)) 0 0 calc(var(--logo-h, 34px) * var(--lg-x, 0));
}
.site-header__logo { --logo-h: 34px; display: inline-flex; align-items: center; flex: none; }
@media (max-width: 767px) { .site-header__logo { --logo-h: 29px; } }
.site-nav { display: none; }
.site-nav__list { list-style: none; display: flex; align-items: center; gap: clamp(14px, 1.45vw, 30px); }
.site-nav__link {
    position: relative;
    display: inline-block;
    padding: 8px 0;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: .01em;
    white-space: nowrap;
    color: rgba(239, 233, 220, .8);
    transition: color .3s var(--ease);
}
.site-nav__link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 1px;
    height: 1px;
    background: var(--c-gold-400);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .5s var(--ease);
}
.site-nav__link:hover { color: var(--c-ivory-50); }
.site-nav__link:hover::after { transform: scaleX(.4); }
.site-nav__link.is-active { color: var(--c-ivory-50); }
.site-nav__link.is-active::after { transform: scaleX(1); }
.site-header__actions { display: flex; align-items: center; gap: 12px; }
.site-header__cta { display: none; }
.site-header__burger {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    margin-right: -6px;
    border: 1px solid rgba(239, 233, 220, .22);
    border-radius: 50%;
    background: transparent;
    color: var(--c-ivory-50);
    transition: border-color .3s var(--ease), background-color .3s var(--ease);
}
.site-header__burger i { font-size: 21px; }
.site-header__burger:hover { border-color: var(--c-gold-400); }
@media (min-width: 1240px) {
    .site-nav { display: block; }
    .site-header__cta { display: inline-flex; }
    .site-header__burger { display: none; }
}
@media (min-width: 1240px) and (max-width: 1379px) {
    .site-nav__link { font-size: 12.5px; }
    .site-header__logo { --logo-h: 31px; }
}

/* 07 — Drawer (mobil menü) -------------------------------------------------- */
.drawer {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: var(--c-ink-950);
    color: var(--t-muted);
    opacity: 0;
    visibility: hidden;
    transition: opacity .45s var(--ease), visibility 0s linear .45s;
}
.drawer.is-open { opacity: 1; visibility: visible; transition: opacity .45s var(--ease), visibility 0s; }
.drawer::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background:
        radial-gradient(60% 40% at 100% 0%, rgba(111, 122, 90, .16), transparent 70%),
        radial-gradient(50% 35% at 0% 100%, rgba(111, 122, 90, .06), transparent 70%);
}
.drawer__top {
    flex: none;
    height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid var(--t-line);
}
.drawer__top { --logo-h: 29px; }
.drawer__close {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    margin-right: -6px;
    border: 1px solid rgba(239, 233, 220, .22);
    border-radius: 50%;
    background: transparent;
    color: var(--c-ivory-50);
}
.drawer__close i { font-size: 20px; }
.drawer__close:hover { border-color: var(--c-gold-400); }
.drawer__body { flex: 1; display: flex; flex-direction: column; }
.drawer__nav { padding-block: clamp(12px, 3vh, 36px); }
.drawer__list { list-style: none; }
.drawer__link {
    display: flex;
    align-items: baseline;
    gap: 18px;
    padding: clamp(7px, 1.2vh, 12px) 0;
    border-bottom: 1px solid var(--t-line-soft);
    font-family: var(--font-display);
    font-size: clamp(27px, 6vw, 38px);
    font-weight: 500;
    line-height: 1.12;
    letter-spacing: -.01em;
    color: var(--t-strong);
    transition: color .3s var(--ease), padding-left .45s var(--ease);
}
.drawer__num {
    flex: none;
    min-width: 22px;
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .12em;
    color: var(--c-gold-400);
    font-variant-numeric: tabular-nums;
}
.drawer__link:hover { color: var(--c-gold-300); padding-left: 6px; }
.drawer__link.is-active { color: var(--c-gold-300); }
.drawer__link.is-active .drawer__num::after { content: " —"; }
.drawer__foot {
    margin-top: auto;
    padding-block: 20px 32px;
    display: grid;
    gap: 22px;
}
.drawer__contact { display: grid; gap: 6px; font-size: 14px; }
.drawer__contact a { color: var(--t-fg); display: inline-flex; align-items: center; gap: 10px; }
.drawer__contact i { color: var(--c-gold-400); font-size: 16px; }
@media (prefers-reduced-motion: no-preference) {
    .drawer.is-open .drawer__list > li { animation: fw-rise-in .7s var(--ease) both; animation-delay: calc(var(--i, 0) * 45ms + 100ms); }
}
@media (min-width: 700px) and (max-width: 899px) {
    .drawer__foot { grid-template-columns: auto 1fr auto; align-items: center; }
}
/* Tablet: solda menü, sağda CTA + iletişim → 1024×768'de her şey ekranda */
@media (min-width: 900px) {
    .drawer__body { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); column-gap: clamp(48px, 7vw, 120px); align-items: end; }
    .drawer__nav { max-width: 640px; padding-block: clamp(24px, 5vh, 56px) clamp(24px, 4vh, 48px); }
    .drawer__foot { margin-top: 0; padding-block: 0 clamp(28px, 5vh, 56px); justify-items: start; }
}

/* 08 — Footer --------------------------------------------------------------- */
.site-footer {
    position: relative;
    background: var(--c-ink-950);
    color: var(--t-muted);
    font-size: 14px;
    line-height: 1.65;
    padding-top: clamp(72px, 9vw, 128px);
    border-top: 1px solid rgba(198, 164, 106, .14);
}
/* Önünde CTA bandı varsa iki büyük koyu blok birbirine yapışmasın: daha kısa giriş */
main:has(> .cta-band:last-child) ~ .site-footer { padding-top: clamp(56px, 6vw, 88px); }
.site-footer__intro {
    display: grid;
    gap: 40px;
    padding-bottom: clamp(56px, 7vw, 96px);
    border-bottom: 1px solid var(--t-line);
}
@media (min-width: 960px) {
    .site-footer__intro { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); align-items: end; }
}
.site-footer__tagline {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    font-size: clamp(32px, 3.6vw, 52px);
    line-height: 1.06;
    letter-spacing: -.01em;
    color: var(--t-strong);
}
.site-footer__credo { list-style: none; display: grid; gap: 12px; }
.site-footer__credo li {
    display: flex;
    align-items: baseline;
    gap: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--t-line-soft);
    font-family: var(--font-display);
    font-size: clamp(19px, 1.6vw, 23px);
    line-height: 1.3;
    color: var(--t-fg);
}
.site-footer__credo li:last-child { border-bottom: 0; padding-bottom: 0; }
.site-footer__credo span {
    flex: none;
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .12em;
    color: var(--c-gold-400);
    font-variant-numeric: tabular-nums;
}
.site-footer__grid {
    display: grid;
    gap: 44px 32px;
    padding-block: clamp(52px, 6vw, 84px);
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.site-footer__about { grid-column: 1 / -1; display: grid; gap: 26px; align-content: start; max-width: 440px; }
@media (min-width: 1024px) {
    .site-footer__grid { grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); }
    .site-footer__about { grid-column: auto; padding-right: 32px; }
}
.site-footer__desc { color: var(--t-muted); }
.site-footer__title {
    margin-bottom: 20px;
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--c-gold-400);
}
.site-footer__links { list-style: none; display: grid; gap: 11px; }
.site-footer__links a { color: rgba(239, 233, 220, .78); transition: color .3s var(--ease); }
.site-footer__links a:hover { color: var(--c-ivory-50); }
.site-footer__contact { display: grid; gap: 14px; }
.site-footer__contact div { display: grid; grid-template-columns: 72px 1fr; gap: 12px; align-items: baseline; }
.site-footer__contact dt {
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: rgba(239, 233, 220, .62);
}
.site-footer__contact dd { color: var(--t-fg); }
.site-footer__contact a:hover { color: var(--c-gold-300); }
.site-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px 28px;
    padding-block: 26px 30px;
    border-top: 1px solid var(--t-line);
    font-size: 12.5px;
    color: rgba(239, 233, 220, .55);
}
.site-footer__logo { --logo-h: 24px; opacity: .92; }
.site-footer__copy { margin-right: auto; }
.site-footer__legal { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 22px; }
.site-footer__legal a:hover { color: var(--c-ivory-50); }
.social { list-style: none; display: flex; gap: 10px; }
.social a {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--t-line);
    border-radius: 50%;
    color: var(--t-fg);
    font-size: 17px;
    transition: border-color .3s var(--ease), color .3s var(--ease), background-color .3s var(--ease);
}
.social a:hover { border-color: var(--c-gold-400); color: var(--c-gold-300); }

/* 09 — Bölüm temaları + doku ------------------------------------------------ */
.section {
    position: relative;
    padding-block: var(--section-y);
    background: var(--t-bg);
    color: var(--t-muted);
}
.section--paper { --t-bg: var(--c-ivory-50); }
.section--ivory { --t-bg: var(--c-ivory-100); }
.section--sand { --t-bg: var(--c-ivory-200); }
.section--dark { --t-bg: var(--c-ink-900); }
.section--ink { --t-bg: var(--c-ink-950); }
.section--tight { padding-block: clamp(56px, 7vw, 96px); }
.section--flush-top { padding-top: 0; }
.section--flush-bottom { padding-bottom: 0; }
.section--rule-top { border-top: 1px solid var(--t-line); }
.section--clip { overflow: hidden; }
:where(.has-grain) { position: relative; }
.has-grain { isolation: isolate; }
.has-grain::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image: var(--t-grain);
    background-size: 180px 180px;
    opacity: var(--t-grain-o);
}
:where(.has-glow) { position: relative; }
.has-glow { isolation: isolate; }
.has-glow::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background:
        radial-gradient(55% 60% at 88% 12%, rgba(111, 122, 90, .16), transparent 70%),
        radial-gradient(45% 55% at 6% 96%, rgba(111, 122, 90, .06), transparent 72%);
}

/* 10 — Sayfa hero'su -------------------------------------------------------- */
.page-hero {
    position: relative;
    overflow: hidden;
    background: var(--c-ink-900);
    color: var(--t-muted);
    padding-top: calc(var(--header-h) + clamp(44px, 7vw, 96px));
    padding-bottom: clamp(64px, 8vw, 112px);
}
.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background:
        radial-gradient(50% 65% at 82% 38%, rgba(111, 122, 90, .17), transparent 70%),
        radial-gradient(40% 50% at 4% 100%, rgba(111, 122, 90, .06), transparent 72%),
        linear-gradient(180deg, var(--c-ink-950) 0%, rgba(17, 22, 15, 0) 40%);
}
.page-hero__inner { position: relative; display: grid; gap: clamp(44px, 6vw, 96px); align-items: center; }
.page-hero__text { max-width: 760px; }
.page-hero .breadcrumb { margin-bottom: clamp(28px, 4vw, 48px); }
.page-hero__title { font-size: var(--fs-h1); line-height: 1.04; }
.page-hero__lead { margin-top: clamp(22px, 2.4vw, 32px); max-width: 580px; }
.page-hero__lead p { font-size: var(--fs-lead); line-height: 1.6; color: var(--t-lead); }
.page-hero__lead p + p { margin-top: .8em; }
.page-hero__meta { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 13px; color: var(--t-muted); }
.page-hero__actions { margin-top: clamp(28px, 3vw, 40px); }
@media (max-width: 599px) {
    .page-hero__actions.btn-group, .page-hero__actions .btn-group { flex-direction: column; align-items: stretch; }
    .page-hero__actions .btn { justify-content: space-between; }
}
.page-hero__base {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
}
.page-hero__base span {
    display: block;
    height: 1px;
    background: linear-gradient(90deg, var(--c-gold-400) 0 64px, var(--c-line-dark) 64px);
}
@media (min-width: 1024px) {
    .page-hero { min-height: min(76vh, 880px); display: flex; align-items: center; }
    .page-hero > .container { width: 100%; }
    .page-hero--photo .page-hero__inner,
    .page-hero--molecule .page-hero__inner,
    .page-hero--visual .page-hero__inner { grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); }
    .page-hero--plain { min-height: min(62vh, 640px); }
    .page-hero--compact { min-height: 0; }
}
.page-hero--plain .page-hero__text { max-width: 920px; }
.page-hero__media { position: relative; min-width: 0; }
/* Fotoğraf: dikey/kare → 4:5, yatay (page-hero--landscape) → 3:2 ve daha geniş sütun (bulanık büyütme olmasın) */
.page-hero--photo .media-frame__img { aspect-ratio: 4 / 5; max-height: min(64vh, 640px); margin-left: auto; }   /* dar kalınca sağ kenara (içerik ızgarası) hizalı */
.page-hero--landscape .media-frame__img { aspect-ratio: 3 / 2; max-height: none; }
@media (min-width: 1024px) {
    .page-hero--photo .page-hero__media { justify-self: end; width: min(100%, 520px); }
    .page-hero--photo.page-hero--landscape .page-hero__inner,
    .page-hero--visual .page-hero__inner { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .page-hero--landscape .page-hero__media { width: min(100%, 600px); }
}
@media (max-width: 1023px) { .page-hero--photo .media-frame__img { aspect-ratio: 4 / 3; } }
/* Molekül: yörünge halkası üst alanda, alt 44px başlık (caption) şeridi → halka metnin üstünden geçmez */
.page-hero__molecule { position: relative; display: grid; place-items: center; aspect-ratio: 1; width: min(100%, 560px); margin-inline: auto; padding-bottom: 44px; }
.page-hero__orbit { position: absolute; inset: 0 0 44px; color: var(--c-gold-400); opacity: .75; }
.page-hero__orbit .fw-visual { width: 100%; height: 100%; }
.page-hero__molecule .molecule { position: relative; width: 74%; max-height: 62%; --mol-stroke: 1.5px; filter: drop-shadow(0 0 18px rgba(198, 164, 106, .18)); }
.page-hero__caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--t-muted);
}
.page-hero__caption::before, .page-hero__caption::after { content: ""; flex: none; width: 24px; height: 1px; background: var(--c-gold-400); }
.page-hero__visual { margin: 0; width: min(100%, 580px); margin-inline: auto; container-type: inline-size; }
.page-hero__visual figcaption { margin-top: 16px; }
@media (max-width: 1023px) {
    .page-hero__molecule { width: min(100%, 420px); }
}

/* 11 — Bölüm başlığı -------------------------------------------------------- */
.section-head { display: grid; gap: clamp(20px, 2.6vw, 36px); margin-bottom: clamp(44px, 5.5vw, 80px); }
.section-head__main { min-width: 0; }
.section-head__aside { display: grid; gap: 22px; justify-items: start; max-width: 540px; }
.section-head__lead p { font-size: var(--fs-lead); line-height: 1.6; color: var(--t-lead); }
.section-head__lead p + p { margin-top: .8em; }
@media (min-width: 960px) {
    .section-head--split {
        grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
        column-gap: clamp(48px, 7vw, 128px);
        align-items: end;
    }
    .section-head--split .section-head__aside { padding-bottom: 6px; }
}
.section-head--center { text-align: center; justify-items: center; }
.section-head--center .section-head__main { max-width: 900px; }
.section-head--center .eyebrow { justify-content: center; }
.section-head--center .section-head__aside { justify-items: center; margin-inline: auto; max-width: 640px; }
.section-head--stack .section-head__aside { max-width: 680px; }
@media (max-width: 767px) {
    /* uzun ortalı paragraf mobilde zor okunur */
    .section-head--center { text-align: left; justify-items: start; }
    .section-head--center .eyebrow { justify-content: flex-start; }
    .section-head--center .section-head__aside { justify-items: start; margin-inline: 0; }
}
.section-head--flush { margin-bottom: 0; }

/* 12 — Bileşenler ----------------------------------------------------------- */
/* Pillar: ince gold çemberli ikon + küçük büyük harf etiket + kısa metin */
.pillars { --pillars-4: 640px; display: flex; flex-wrap: wrap; gap: 36px 24px; }
.pillars > * { flex: 1 1 clamp(calc(25% - 18px), (var(--pillars-4) - 100%) * 999, calc(50% - 12px)); min-width: 0; }
.pillar { display: grid; justify-items: center; align-content: start; gap: 12px; text-align: center; }
.pillar__icon {
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    margin-bottom: 6px;
    border: 1px solid var(--t-gold-line);
    border-radius: 50%;
    color: var(--t-strong);
    font-size: 25px;
    transition: background-color .5s var(--ease), color .5s var(--ease);
}
.pillar:hover .pillar__icon { background: rgba(198, 164, 106, .12); }
.pillar__label {
    font-family: var(--font-sans);
    font-size: 11.5px;
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--t-strong);
    min-height: 2.8em;              /* 1 ve 2 satırlık etiketlerde metinler aynı hizada */
}
.pillar__text { max-width: 26ch; font-size: 14.5px; line-height: 1.55; color: var(--t-muted); }
.pillar--left { justify-items: start; text-align: left; }

/* Feature: yatay ikon + başlık + kısa metin */
.features { list-style: none; display: grid; }
.features > li + li, .features > .feature + .feature { border-top: 1px solid var(--t-line-soft); }
.feature { display: flex; align-items: center; gap: 18px; padding-block: 16px; }
.feature__icon {
    flex: none;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--t-gold-line);
    border-radius: 50%;
    color: var(--t-gold-line);
    font-size: 20px;
    background: var(--t-bg);
}
.feature__title { font-family: var(--font-sans); font-size: 15px; font-weight: 500; line-height: 1.35; letter-spacing: 0; color: var(--t-strong); }
.feature__text { margin-top: 2px; font-size: 13.5px; line-height: 1.5; color: var(--t-muted); }
.features--line { position: relative; }
.features--line::before {
    content: "";
    position: absolute;
    left: 22px;
    top: 38px;
    bottom: 38px;
    width: 1px;
    background: var(--t-line);
}
.features--line > li + li, .features--line > .feature + .feature { border-top: 0; }
.features--line .feature { position: relative; }

/* Numaralar */
.step-num {
    flex: none;
    display: inline-grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--t-line);
    border-radius: 50%;
    background: var(--t-bg);
    color: var(--t-gold);
    font-family: var(--font-sans);
    font-size: 11.5px;
    font-weight: 500;
    line-height: 1;
    letter-spacing: .03em;
    font-variant-numeric: tabular-nums;
}
.kicker-num {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(44px, 5vw, 76px);
    font-weight: 400;
    line-height: .9;
    letter-spacing: -.02em;
    color: var(--t-gold-line);
    font-feature-settings: "lnum" 1;
}

/* Alıntı */
.quote {
    margin: 0;
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    font-size: clamp(24px, 2.3vw, 34px);
    line-height: 1.28;
    letter-spacing: -.005em;
    color: var(--t-strong);
}
.quote p:first-of-type::before { content: "“"; }
.quote p:last-of-type::after { content: "”"; }
.quote--bare p::before, .quote--bare p::after { content: none; }
.quote footer, .quote__by {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    font-family: var(--font-sans);
    font-style: normal;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--t-muted);
}
.quote footer::before, .quote__by::before { content: ""; width: 24px; height: 1px; background: var(--t-gold-line); }
.quote--rule { padding-left: clamp(22px, 3vw, 40px); border-left: 1px solid var(--t-gold-line); }
.quote--lg { font-size: clamp(30px, 3.5vw, 52px); line-height: 1.16; }
.quote--center { text-align: center; }
.quote--center footer { justify-content: center; }

/* Zincir: ince gold oklarla bağlanan kısa liste */
.chain {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 0;
    font-size: 13.5px;
    line-height: 1.35;
    color: var(--t-fg);
}
.chain > li { display: inline-flex; align-items: center; }
.chain > li + li::before {
    content: "";
    flex: none;
    width: 26px;
    height: 9px;
    margin-inline: 10px;
    background: var(--t-gold-line);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 26 9'%3E%3Cpath d='M0 4.5h24M20.5 1l4 3.5-4 3.5' fill='none' stroke='%23000' stroke-width='1'/%3E%3C/svg%3E") center / contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 26 9'%3E%3Cpath d='M0 4.5h24M20.5 1l4 3.5-4 3.5' fill='none' stroke='%23000' stroke-width='1'/%3E%3C/svg%3E") center / contain no-repeat;
}
.chain--sm { font-size: 12.5px; gap: 8px 0; }
.chain--sm > li + li::before { width: 18px; margin-inline: 7px; }
.chain--pills > li > span, .chain--pills > li > a {
    padding: 7px 14px;
    border: 1px solid var(--t-line);
    border-radius: var(--radius-pill);
}
.chain--vertical { flex-direction: column; align-items: flex-start; gap: 0; }
.chain--vertical > li { flex-direction: column; align-items: flex-start; }
.chain--vertical > li + li::before { width: 9px; height: 22px; margin: 8px 0 8px 6px; -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 9 22'%3E%3Cpath d='M4.5 0v20M1 16.5l3.5 4 3.5-4' fill='none' stroke='%23000' stroke-width='1'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 9 22'%3E%3Cpath d='M4.5 0v20M1 16.5l3.5 4 3.5-4' fill='none' stroke='%23000' stroke-width='1'/%3E%3C/svg%3E"); }

/* Etiket */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: 1px solid var(--t-line);
    border-radius: var(--radius-pill);
    font-family: var(--font-sans);
    font-size: 10.5px;
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: .16em;
    text-transform: uppercase;
    white-space: nowrap;
    color: var(--t-muted);
}
.tag i { font-size: 13px; }
.tag--gold { border-color: var(--t-gold-line); color: var(--t-gold); }
.tag--solid { background: var(--t-surface-2); border-color: transparent; }
.tag--plain { text-transform: none; letter-spacing: .01em; font-size: 12.5px; white-space: normal; }
.tag-list { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }

/* Çerçeveli görsel */
.media-frame { position: relative; margin: 0; min-width: 0; }
.media-frame__img {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-sm);
    background: var(--c-ink-850);
}
.media-frame__img::after {
    content: "";
    position: absolute;
    inset: clamp(8px, 1.2vw, 14px);
    border: 1px solid rgba(220, 194, 143, .55);
    border-radius: 2px;
    pointer-events: none;
}
.media-frame__img picture, .media-frame__img img { width: 100%; height: 100%; }
.media-frame__img img { object-fit: cover; transition: transform 1.6s var(--ease); }
.media-frame--portrait .media-frame__img { aspect-ratio: 4 / 5; }
.media-frame--landscape .media-frame__img { aspect-ratio: 3 / 2; }
.media-frame--wide .media-frame__img { aspect-ratio: 16 / 9; }
.media-frame--square .media-frame__img { aspect-ratio: 1; }
.media-frame__caption {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    font-size: 11px;
    font-weight: 500;
    line-height: 1.45;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--t-muted);
}
.media-frame__caption::before { content: ""; flex: none; width: 24px; height: 1px; background: var(--t-gold-line); }

/* Açılır katman: "Bilimsel Detayı Gör" / "Parametreleri Gör" */
.disclosure { border-top: 1px solid var(--t-line); border-bottom: 1px solid var(--t-line); }
.disclosure + .disclosure { border-top: 0; }
.disclosure > summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 0;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: clamp(21px, 1.8vw, 27px);
    font-weight: 500;
    line-height: 1.2;
    color: var(--t-strong);
    transition: color .3s var(--ease);
}
.disclosure > summary::-webkit-details-marker { display: none; }
.disclosure > summary::marker { content: ""; }
.disclosure > summary > i {
    flex: none;
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--t-line);
    border-radius: 50%;
    font-size: 16px;
    color: var(--t-gold);
    transition: transform .5s var(--ease), border-color .3s var(--ease), background-color .3s var(--ease);
}
.disclosure > summary:hover > i { border-color: var(--t-gold-line); }
.disclosure[open]:not(.is-closing) > summary > i { transform: rotate(45deg); border-color: var(--t-gold-line); background: rgba(198, 164, 106, .1); }
.disclosure__label { display: block; margin-bottom: 6px; font-family: var(--font-sans); font-size: 11px; font-weight: 500; letter-spacing: .22em; text-transform: uppercase; color: var(--t-muted); }
.disclosure__body { overflow: hidden; }
.disclosure__body::after { content: ""; display: block; height: 28px; }
.disclosure.is-animating .disclosure__body { transition: height .55s var(--ease); }
.disclosure--cta { border: 0; }
.disclosure--cta > summary {
    display: inline-flex;
    width: auto;
    gap: 14px;
    padding: 12px 14px 12px 24px;
    border: 1px solid var(--t-line);
    border-radius: var(--radius-pill);
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--t-strong);
}
.disclosure--cta > summary > i { width: 28px; height: 28px; font-size: 14px; }
.disclosure--cta > summary:hover { border-color: var(--t-gold-line); }
.disclosure--cta > .disclosure__body::before { content: ""; display: block; height: 28px; }

/* Zengin metin (DB body_html) */
.prose { color: var(--t-muted); max-width: 70ch; }
.prose > * + * { margin-top: 1.1em; }
.prose > :first-child { margin-top: 0; }
.prose h2 { font-size: clamp(28px, 2.6vw, 38px); margin-top: 1.7em; }
.prose h3 { font-size: clamp(23px, 2vw, 29px); margin-top: 1.6em; }
.prose h4 { font-family: var(--font-sans); font-size: 12px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--t-strong); margin-top: 2em; }
.prose h2 + *, .prose h3 + *, .prose h4 + * { margin-top: .7em; }
.prose .lead, .prose p.lead { font-size: var(--fs-lead); line-height: 1.6; color: var(--t-lead); }
.prose strong, .prose b { color: var(--t-strong); }
.prose a {
    color: var(--t-strong);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
    text-decoration-color: var(--t-gold-line);
}
.prose a:hover { color: var(--t-gold); }
.prose ul { list-style: none; }
.prose ul > li { position: relative; padding-left: 28px; }
.prose ul > li::before { content: ""; position: absolute; left: 0; top: .86em; width: 14px; height: 1px; background: var(--t-gold-line); }
.prose ol { padding-left: 1.4em; }
.prose ol > li::marker { color: var(--t-gold); font-weight: 500; font-variant-numeric: tabular-nums; }
.prose li + li { margin-top: .55em; }
.prose blockquote {
    padding-left: 24px;
    border-left: 1px solid var(--t-gold-line);
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(22px, 2vw, 28px);
    line-height: 1.35;
    color: var(--t-strong);
}
.prose hr { height: 1px; border: 0; background: var(--t-line); margin-block: 2.2em; }
.prose img { border-radius: var(--radius-sm); }
.prose figure figcaption { margin-top: 10px; font-size: 13px; color: var(--t-muted); }
.prose table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.prose th, .prose td { padding: 12px 10px; border-bottom: 1px solid var(--t-line); text-align: left; vertical-align: top; }
.prose th { font-size: 11px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--t-muted); }
.prose--center { margin-inline: auto; }

/* Sayfa yolu */
.breadcrumb ol {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 10px;
    font-size: 12px;
    letter-spacing: .04em;
    color: var(--t-muted);
}
.breadcrumb li { display: inline-flex; align-items: center; gap: 10px; }
.breadcrumb li + li::before { content: "/"; color: var(--t-gold); opacity: .8; }
.breadcrumb a { transition: color .3s var(--ease); }
.breadcrumb a:hover { color: var(--t-strong); }
.breadcrumb [aria-current] { color: var(--t-fg); }

/* 13 — Molekül + reveal ----------------------------------------------------- */
.molecule { display: block; width: 100%; height: auto; overflow: visible; color: var(--mol-color, var(--c-gold-400)); }
.molecule path[class*="bond-"] { vector-effect: non-scaling-stroke; stroke-width: var(--mol-stroke, 1.4px); }
@media (prefers-reduced-motion: no-preference) {
    html.js .molecule--draw:not(.is-drawable) { opacity: 0; }
    html.js .molecule--draw.is-drawable:not(.is-visible) path[class*="bond-"] { stroke-dasharray: 1; stroke-dashoffset: 1; }
    html.js .molecule--draw.is-drawable:not(.is-visible) path[class^="atom-"],
    html.js .molecule--draw.is-drawable:not(.is-visible) path[class*="bond-"][style*="fill:currentColor"] { opacity: 0; }
    .molecule--draw.is-drawable.is-visible path[class*="bond-"] {
        animation: fw-draw 1.5s var(--ease) backwards;
        animation-delay: calc(var(--i, 0) * var(--mol-step, 16ms));
    }
    .molecule--draw.is-drawable.is-visible path[class^="atom-"],
    .molecule--draw.is-drawable.is-visible path[class*="bond-"][style*="fill:currentColor"] {
        animation: fw-fade 1s ease backwards;
        animation-delay: var(--mol-total, 1.2s);
    }
    html.js .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
    }
    html.js .reveal.is-visible { opacity: 1; transform: none; }
    html.js .reveal--fade { transform: none; }
    /* Açılış: ekranın üstündeki içerik (sayfa hero'su) ilk boyamada gelir; --in-delay ile sıralanır */
    .fw-in { animation: fw-rise-in .8s var(--ease) both; animation-delay: var(--in-delay, 0ms); }
    .fw-in--fade { animation-name: fw-fade; }
}
@keyframes fw-draw {
    from { stroke-dasharray: 1; stroke-dashoffset: 1; }
    to { stroke-dasharray: 1; stroke-dashoffset: 0; }
}
@keyframes fw-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes fw-rise-in { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* 14 — Kartlar -------------------------------------------------------------- */
/* Biyoaktif kartı */
.bio-card {
    --accent: #3A4630;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    border: 1px solid var(--t-line);
    border-radius: var(--radius);
    background: var(--t-surface);
    color: var(--t-muted);
    transition: border-color .5s var(--ease), transform .7s var(--ease), box-shadow .7s var(--ease);
}
.bio-card:hover { border-color: rgba(198, 164, 106, .6); transform: translateY(-4px); box-shadow: 0 28px 50px -34px rgba(12, 16, 10, .5); }
.bio-card__art {
    position: relative;
    isolation: isolate;
    display: grid;
    place-items: center;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    container-type: inline-size;
    background:
        radial-gradient(85% 75% at 72% 22%, rgba(122, 31, 43, .5), transparent 70%),
        var(--c-ink-850);
    background:
        radial-gradient(85% 75% at 72% 22%, color-mix(in srgb, var(--accent) 72%, transparent) 0%, transparent 70%),
        radial-gradient(70% 60% at 10% 100%, color-mix(in srgb, var(--accent) 34%, transparent) 0%, transparent 72%),
        var(--c-ink-850);
    color: var(--c-gold-300);
}
.bio-card__art::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background-image: var(--grain);
    background-size: 180px;
    opacity: .06;
}
.bio-card__art::after {
    content: "";
    position: absolute;
    inset: 10px;
    z-index: 1;
    border: 1px solid rgba(220, 194, 143, .16);
    border-radius: 3px;
    pointer-events: none;
    transition: border-color .6s var(--ease);
}
.bio-card:hover .bio-card__art::after { border-color: rgba(220, 194, 143, .42); }
.bio-card__photo { position: absolute; inset: 0; z-index: -1; }
.bio-card__photo picture, .bio-card__photo img { width: 100%; height: 100%; object-fit: cover; }
.bio-card__photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(12, 16, 10, .15), rgba(12, 16, 10, .72)); }
.bio-card__art .molecule {
    position: relative;
    width: 76%;
    max-height: 60%;
    --mol-color: var(--c-gold-300);
    --mol-stroke: 1.25px;
    transition: transform 1.4s var(--ease);
}
.bio-card__art .fw-visual--orbit { width: 70%; color: var(--c-gold-400); opacity: .6; }
.bio-card:hover .bio-card__art .molecule { transform: scale(1.06); }
/* Ölçekli molekül (fw_molecule → --mol-bonds): bağ uzunluğu tüm kartlarda aynı (~7.6cqi);
   çok geniş/uzun olanlar panele sığdırılır, uzun zincirler (--bleed) makro kadraj gibi taşar */
/* .mol-stage: sayfalarda ölçekli molekül için boş sahne (konumlu, kırpan, container) */
.mol-stage { position: relative; overflow: hidden; container-type: inline-size; }
@supports (width: 1cqi) {
    :is(.bio-card__art, .platform-card__art, .mol-stage) .molecule--scaled {
        position: absolute;
        left: 50%;
        top: 50%;
        translate: -50% -50%;
        max-width: none;
        width: min(calc(var(--mol-bonds) * var(--mol-bond, 7.6cqi)), 86%);
        max-height: 82%;
    }
    :is(.bio-card__art, .platform-card__art, .mol-stage) .molecule--scaled.molecule--bleed { width: calc(var(--mol-bonds) * var(--mol-bond, 7.6cqi)); max-height: none; }
    /* biyoaktif kartında üstte badge satırı var → molekül badge'in altındaki alana ortalanır */
    .bio-card__art .molecule--scaled { top: 57%; max-height: 74%; }
}
.bio-card__badge {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 2;
    max-width: calc(100% - 80px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: rgba(239, 233, 220, .7);
}
.bio-card__no {
    position: absolute;
    top: 18px;
    right: 20px;
    z-index: 2;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .1em;
    color: var(--c-gold-400);
    font-variant-numeric: tabular-nums;
}
.bio-card__body { flex: 1; display: flex; flex-direction: column; gap: 6px; padding: 20px 22px 24px; }
.bio-card__head { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.bio-card__name { font-family: var(--font-display); font-size: clamp(23px, 1.9vw, 28px); font-weight: 500; line-height: 1.1; color: var(--t-strong); }
.bio-card__arrow {
    flex: none;
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--t-line);
    border-radius: 50%;
    color: var(--t-strong);
    font-size: 15px;
    transition: background-color .45s var(--ease), border-color .45s var(--ease), color .45s var(--ease), transform .45s var(--ease);
}
.bio-card:hover .bio-card__arrow { background: var(--c-gold-400); border-color: var(--c-gold-400); color: var(--c-ink-950); transform: rotate(-45deg); }
.bio-card__source { font-size: 10.5px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--t-muted); }
.bio-card__molecule {
    margin-top: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--t-line-soft);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--t-fg);
}
.bio-card__summary { font-size: 13.5px; line-height: 1.55; color: var(--t-muted); }

/* Platform (geliştirilen ürün) kartı */
.platform-card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    border: 1px solid var(--t-line);
    border-radius: var(--radius);
    background: var(--t-surface);
    color: var(--t-muted);
    transition: border-color .5s var(--ease), transform .7s var(--ease), box-shadow .7s var(--ease);
}
.platform-card:hover { border-color: rgba(198, 164, 106, .6); transform: translateY(-4px); box-shadow: 0 28px 50px -34px rgba(12, 16, 10, .5); }
.platform-card__media {
    position: relative;
    isolation: isolate;
    aspect-ratio: 16 / 11;
    overflow: hidden;
    background: var(--c-ink-850);
}
.platform-card__media picture, .platform-card__media img { width: 100%; height: 100%; object-fit: cover; }
.platform-card__media img { transition: transform 1.6s var(--ease); }
/* Fotoğraf dili: doygun mavi laboratuvar kareleri paletle uyumlansın — tüm sitede tek color grading.
   .fw-graded: herhangi bir fotoğraf kabına eklenerek aynı grading uygulanır (anasayfa film posteri, tesis, kartlar) */
.media-frame__img img, .platform-card__media img, .post-card__media img, .bio-card__photo img,
.fw-graded img { filter: saturate(.82) contrast(1.03); }
.platform-card:hover .platform-card__media img { transform: scale(1.05); }
.platform-card__media::after {
    content: "";
    position: absolute;
    inset: 10px;
    border: 1px solid rgba(220, 194, 143, .28);
    border-radius: 3px;
    pointer-events: none;
}
.platform-card__art {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background:
        radial-gradient(80% 80% at 70% 20%, rgba(111, 122, 90, .35), transparent 70%),
        var(--c-ink-850);
    background:
        radial-gradient(80% 80% at 70% 20%, color-mix(in srgb, var(--accent, #3A4630) 70%, transparent), transparent 70%),
        var(--c-ink-850);
    color: var(--c-gold-300);
    container-type: inline-size;
    --mol-bond: 6.8cqi;
    --vis-accent: var(--c-gold-400);
    --vis-strong: var(--c-ivory-50);
}
.platform-card__art .molecule { width: 70%; max-height: 58%; --mol-color: var(--c-gold-300); --mol-stroke: 1.25px; }
.platform-card__art .fw-visual { width: 78%; color: var(--c-gold-400); --vis-text: rgba(239, 233, 220, .66); }
.platform-card__body { flex: 1; display: flex; flex-direction: column; gap: 12px; padding: 24px 24px 26px; }
/* badge DB'de büyük harfle yazılır (Türkçe "İ" doğru kalsın diye) → text-transform yok */
.platform-card__eyebrow { font-size: 10.5px; font-weight: 500; letter-spacing: .2em; color: var(--t-muted); }
.platform-card__title { font-family: var(--font-display); font-size: clamp(24px, 2vw, 30px); font-weight: 500; line-height: 1.1; color: var(--t-strong); }
.platform-card__summary { font-size: 14px; line-height: 1.6; color: var(--t-muted); }
/* Zincir en az 3 satır yüksekliğinde → aynı satırdaki kartlarda üst çizgiler hizalı */
.platform-card .chain { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--t-line-soft); min-height: calc(3 * 1.35em + 2 * 8px + 17px); align-content: flex-start; }
.platform-card .link-arrow { margin-top: 8px; font-size: 13.5px; }

/* 15 — Adımlar -------------------------------------------------------------- */
.steps { position: relative; }
/* Rail: yatay etkileşimli şerit (anasayfa) */
.steps__tabs {
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    scroll-padding-inline: var(--gutter);
}
.steps__tabs::-webkit-scrollbar { display: none; }
.steps__tabs-inner {
    position: relative;
    display: grid;
    grid-template-columns: repeat(var(--n, 8), minmax(148px, 1fr));
}
.steps__track {
    position: absolute;
    top: 16px;
    left: 16px;
    width: calc(100% * (var(--n, 8) - 1) / var(--n, 8));
    height: 1px;
    background: var(--t-line);
}
.steps__progress {
    position: absolute;
    inset: 0 auto 0 0;
    width: 0;
    background: var(--t-gold-line);
    transition: width .8s var(--ease);
}
.steps__tab {
    position: relative;
    display: grid;
    justify-items: start;
    align-content: start;
    gap: 6px;
    padding: 0 18px 22px 0;
    border: 0;
    background: none;
    text-align: left;
    color: var(--t-muted);
    cursor: pointer;
}
.steps__tab .step-num { position: relative; z-index: 1; margin-bottom: 10px; transition: background-color .45s var(--ease), border-color .45s var(--ease), color .45s var(--ease); }
/* label DB'de büyük harfle yazılır → text-transform yok */
.steps__tab-label { font-size: 10px; font-weight: 500; letter-spacing: .2em; color: var(--t-muted); transition: color .35s var(--ease); }
.steps__tab.is-active .steps__tab-label { color: var(--t-strong); }
.steps__tab-title { font-family: var(--font-display); font-size: 19px; font-weight: 500; line-height: 1.2; color: var(--t-muted); transition: color .35s var(--ease); }
.steps__tab:hover .steps__tab-title { color: var(--t-strong); }
.steps__tab.is-done .step-num { border-color: var(--t-gold-line); }
.steps__tab.is-active .step-num { background: var(--c-gold-400); border-color: var(--c-gold-400); color: var(--c-ink-950); }
.steps__tab.is-active .steps__tab-title { color: var(--t-strong); }
.steps__tab::after {
    content: "";
    position: absolute;
    left: 0;
    right: 18px;
    bottom: 0;
    height: 1px;
    background: var(--t-gold-line);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .6s var(--ease);
}
.steps__tab.is-active::after { transform: scaleX(1); }
.steps__panels { margin-top: clamp(28px, 3.5vw, 48px); }
.steps__panel {
    display: grid;
    gap: clamp(28px, 4vw, 64px);
    align-items: center;
}
html.js .steps--rail .steps__panel:not(.is-active) { display: none; }
@media (prefers-reduced-motion: no-preference) {
    html.js .steps--rail .steps__panel.is-active { animation: fw-rise-in .7s var(--ease) both; }
}
@media (min-width: 900px) {
    .steps__panel { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
}
.steps__media { position: relative; min-width: 0; }
.steps__media .media-frame__img { aspect-ratio: 4 / 3; }
/* Koyu çerçeveli illüstrasyon paneli — .vis-panel her sayfada fw_visual() için kullanılabilir */
.steps__visual,
.vis-panel {
    position: relative;
    isolation: isolate;
    container-type: inline-size;
    display: grid;
    place-items: center;
    aspect-ratio: 4 / 3;
    padding: clamp(16px, 2.4vw, 32px) clamp(14px, 2vw, 28px);
    overflow: hidden;
    border-radius: var(--radius-sm);
    background:
        radial-gradient(70% 70% at 70% 20%, rgba(111, 122, 90, .2), transparent 70%),
        var(--c-ink-850);
    --vis-color: var(--c-gold-400);
    --vis-text: rgba(239, 233, 220, .7);
    --vis-strong: var(--c-ivory-50);
    color: var(--c-gold-400);
}
.steps__visual::before, .vis-panel::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: var(--grain); background-size: 180px; opacity: .05; }
.steps__visual::after, .vis-panel::after { content: ""; position: absolute; inset: clamp(8px, 1.2vw, 14px); border: 1px solid rgba(220, 194, 143, .22); border-radius: 2px; pointer-events: none; }
.steps__visual .fw-visual, .vis-panel .fw-visual { width: 100%; max-height: 100%; }
.vis-panel { --vis-accent: var(--c-gold-400); }
.steps__visual { --vis-accent: var(--c-gold-400); }
.vis-panel--auto { aspect-ratio: auto; }
.steps__count { display: flex; align-items: center; gap: 12px; font-size: 11px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--t-gold); }
.steps__count::after { content: ""; width: 32px; height: 1px; background: currentColor; opacity: .6; }
.steps__count-label { text-transform: none; }
.steps__title { margin-top: 16px; font-size: clamp(30px, 3.2vw, 46px); line-height: 1.06; }
.steps__text { margin-top: 18px; max-width: 520px; }
.steps__text p { font-size: var(--fs-lead); line-height: 1.6; color: var(--t-lead); }
.steps__list { list-style: none; margin-top: 26px; display: grid; max-width: 520px; }
.steps__list li {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-block: 12px;
    border-top: 1px solid var(--t-line-soft);
    font-size: 14.5px;
    color: var(--t-fg);
}
.steps__list li:last-child { border-bottom: 1px solid var(--t-line-soft); }
.steps__list li::before { content: ""; flex: none; width: 14px; height: 1px; background: var(--t-gold-line); }
@media (min-width: 1100px) {
    .steps__tabs { margin-inline: 0; padding-inline: 0; overflow: visible; }
    .steps__tabs-inner { grid-template-columns: repeat(var(--n, 8), minmax(0, 1fr)); }
}

/* Timeline: tüm adımlar dikey, açık (ürün geliştirme sayfası) */
.steps--timeline { list-style: none; display: grid; }
.steps--timeline .steps__item {
    position: relative;
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr);
    column-gap: 20px;
    row-gap: 28px;
    padding-bottom: clamp(56px, 7vw, 104px);
}
.steps--timeline .steps__item:last-child { padding-bottom: 0; }
.steps--timeline .steps__marker { position: relative; grid-row: 1 / span 2; }
.steps--timeline .steps__marker .step-num { position: relative; z-index: 1; width: 40px; height: 40px; font-size: 12px; border-color: var(--t-gold-line); }
.steps--timeline .steps__item::before {
    content: "";
    position: absolute;
    left: 20px;
    top: 48px;
    bottom: 8px;
    width: 1px;
    background: linear-gradient(180deg, var(--t-gold-line), var(--t-line) 40%);
    opacity: .7;
}
.steps--timeline .steps__item:last-child::before { display: none; }
.steps--timeline .steps__body { padding-top: 4px; }
.steps--timeline .steps__title { margin-top: 12px; font-size: clamp(28px, 2.8vw, 42px); }
.steps--timeline .steps__media { grid-column: 2; }
@media (min-width: 960px) {
    .steps--timeline .steps__item {
        grid-template-columns: 56px minmax(0, 1fr) minmax(0, 1.05fr);
        column-gap: clamp(28px, 4vw, 64px);
        align-items: start;
    }
    .steps--timeline .steps__marker { grid-row: auto; }
    .steps--timeline .steps__marker .step-num { width: 48px; height: 48px; font-size: 12.5px; }
    .steps--timeline .steps__item::before { left: 24px; top: 58px; }
    .steps--timeline .steps__media { grid-column: 3; }
}

/* 16 — CTA bandı ------------------------------------------------------------ */
.cta-band {
    position: relative;
    overflow: hidden;
    background: var(--c-ink-850);
    color: var(--t-muted);
    padding-block: clamp(88px, 11vw, 168px);
}
.cta-band__lines { position: absolute; inset: 0; z-index: -1; color: var(--c-gold-400); opacity: .26; pointer-events: none; }
.cta-band__lines .fw-visual { width: 100%; height: 100%; }
.cta-band::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(60% 80% at 20% 50%, rgba(22, 29, 19, .92), transparent 75%),
        radial-gradient(45% 70% at 90% 10%, rgba(111, 122, 90, .16), transparent 70%);
}
.cta-band__rule { position: absolute; top: 0; left: 0; right: 0; height: 1px; }
.cta-band__rule span { display: block; height: 1px; background: linear-gradient(90deg, var(--c-gold-400) 0 64px, rgba(198, 164, 106, .14) 64px); }
.cta-band__inner { position: relative; display: grid; gap: clamp(32px, 4vw, 48px); }
@media (min-width: 960px) {
    .cta-band__inner { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); column-gap: clamp(48px, 7vw, 120px); align-items: center; }
}
.cta-band__title { font-size: clamp(36px, 4.4vw, 66px); line-height: 1.04; }
.cta-band__side { display: grid; gap: 30px; justify-items: start; }
.cta-band__text p { font-size: 17px; line-height: 1.65; color: var(--t-lead); }

/* 17 — Carousel ------------------------------------------------------------- */
.carousel { position: relative; }
.carousel__track {
    --per: 1.2;
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: calc((100% - (var(--per) - 1) * var(--gap)) / var(--per));
    gap: var(--gap);
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    padding-block: 4px 12px;
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__track > * { scroll-snap-align: start; min-width: 0; }
.carousel__track:focus-visible { outline-offset: 6px; }
@media (prefers-reduced-motion: no-preference) { .carousel__track { scroll-behavior: smooth; } }
@media (min-width: 640px) { .carousel__track { --per: 2.15; } }
@media (min-width: 1024px) { .carousel__track { --per: 3; } }
@media (min-width: 1280px) { .carousel__track { --per: 4; } .carousel--3 .carousel__track { --per: 3; } }
@media (max-width: 1023px) {
    .carousel--bleed .carousel__track {
        margin-inline: calc(var(--gutter) * -1);
        padding-inline: var(--gutter);
        scroll-padding-inline: var(--gutter);
    }
}
.carousel__controls { display: flex; align-items: center; gap: 12px; }
.carousel__count { min-width: 64px; font-size: 12px; font-weight: 500; letter-spacing: .12em; color: var(--t-muted); font-variant-numeric: tabular-nums; }
.carousel__count [data-carousel-current] { color: var(--t-strong); }
.carousel__btn {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--t-line);
    border-radius: 50%;
    background: transparent;
    color: var(--t-strong);
    font-size: 16px;
    transition: border-color .35s var(--ease), background-color .35s var(--ease), color .35s var(--ease), opacity .35s var(--ease);
}
.carousel__btn:hover:not(:disabled) { border-color: var(--c-gold-400); background: var(--c-gold-400); color: var(--c-ink-950); }
.carousel__btn:disabled { opacity: .35; cursor: default; }
.carousel.is-static [data-carousel-prev],
.carousel.is-static [data-carousel-next],
.carousel.is-static .carousel__count { visibility: hidden; }
.carousel__foot { display: flex; justify-content: flex-end; margin-top: 24px; }

/* 18 — Video modal ---------------------------------------------------------- */
.video-modal {
    width: min(1120px, 92vw);
    max-width: none;
    max-height: none;
    padding: 0;
    border: 0;
    background: transparent;
    overflow: visible;
    color: var(--c-ivory-50);
}
.video-modal::backdrop { background: rgba(8, 10, 7, .9); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.video-modal__frame { aspect-ratio: 16 / 9; overflow: hidden; border-radius: var(--radius); background: #000; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .8); }
.video-modal__frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.video-modal__close {
    position: absolute;
    right: 0;
    top: -56px;
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(239, 233, 220, .3);
    border-radius: 50%;
    background: transparent;
    color: var(--c-ivory-50);
    font-size: 18px;
}
.video-modal__close:hover { border-color: var(--c-gold-400); }

/* 19 — Formlar -------------------------------------------------------------- */
.form { display: grid; gap: 22px; }
.form__row { display: grid; gap: 22px; }
@media (min-width: 640px) { .form__row--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.form__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; }
.field { display: grid; gap: 8px; }
.field__label { font-size: 11px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--t-muted); }
.field__label .req { color: var(--t-gold); margin-left: 2px; }
.field__hint { font-size: 12.5px; color: var(--t-muted); }
.input, .select, .textarea {
    width: 100%;
    min-height: 52px;
    padding: 14px 16px;
    border: 1px solid var(--t-line);
    border-radius: var(--radius);
    background: var(--t-input);
    color: var(--t-strong);
    font-size: 16px;
    line-height: 1.4;
    -webkit-appearance: none;
    appearance: none;
    transition: border-color .3s var(--ease), box-shadow .3s var(--ease), background-color .3s var(--ease);
}
.input::placeholder, .textarea::placeholder { color: var(--t-muted); opacity: 1; }
.input:hover, .select:hover, .textarea:hover { border-color: rgba(176, 141, 87, .55); }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--t-gold-line); box-shadow: 0 0 0 3px rgba(198, 164, 106, .2); }
.textarea { min-height: 168px; resize: vertical; }
.select {
    padding-right: 46px;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%23B08D57' stroke-width='1.3'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    background-size: 12px 8px;
}
.select option { color: var(--c-text); background: var(--c-ivory-50); }
.field--error .input, .field--error .select, .field--error .textarea { border-color: #9B2F22; }
.check { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; line-height: 1.55; color: var(--t-muted); cursor: pointer; }
.check input {
    flex: none;
    display: grid;
    place-items: center;
    width: 18px;
    height: 18px;
    margin: 2px 0 0;
    border: 1px solid var(--t-gold-line);
    border-radius: 3px;
    background: var(--t-input);
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
    transition: background-color .25s var(--ease), border-color .25s var(--ease);
}
.check input::after { content: ""; width: 9px; height: 5px; border-left: 1.5px solid var(--c-ink-950); border-bottom: 1.5px solid var(--c-ink-950); transform: translateY(-1px) rotate(-45deg) scale(0); transition: transform .25s var(--ease); }
.check input:checked { background: var(--c-gold-400); border-color: var(--c-gold-400); }
.check input:checked::after { transform: translateY(-1px) rotate(-45deg) scale(1); }
.check input:focus-visible { outline: 2px solid var(--t-focus, var(--c-gold-700)); outline-offset: 3px; }
.check a { color: var(--t-strong); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--t-gold-line); }
.form-notice {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 18px;
    border: 1px solid var(--t-line);
    border-radius: var(--radius);
    font-size: 14.5px;
    line-height: 1.55;
    color: var(--t-strong);
}
.form-notice::before { font-family: "Phosphor-Light"; font-size: 18px; line-height: 1.3; }
.form-notice--ok, .form-notice--success { border-color: rgba(111, 122, 90, .55); background: rgba(111, 122, 90, .12); }
.form-notice--ok::before, .form-notice--success::before { content: "\e184"; color: var(--c-olive-500); }
.form-notice--error { border-color: rgba(155, 47, 34, .45); background: rgba(155, 47, 34, .08); }
.form-notice--error::before { content: "\e4e2"; color: #B23A2B; }
.theme-dark .form-notice--error, .section--dark .form-notice--error, .section--ink .form-notice--error { color: #F0C8BF; }

/* 20 — Blog ----------------------------------------------------------------- */
/* auto-fill: tek kart tüm satıra yayılmaz */
.post-grid { display: grid; gap: clamp(40px, 4vw, 56px) clamp(24px, 3vw, 40px); grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); }
/* 2 ya da 4 kart (öne çıkan hariç) → iki sütun; üçüncü sütun boş kalmasın */
@media (min-width: 720px) { .post-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.post-card { display: flex; flex-direction: column; gap: 20px; color: var(--t-muted); }
.post-card__media { position: relative; aspect-ratio: 3 / 2; overflow: hidden; border-radius: var(--radius-sm); background: var(--c-ink-850); }
.post-card__media picture, .post-card__media img { width: 100%; height: 100%; object-fit: cover; }
.post-card__media img { transition: transform 1.6s var(--ease); }
.post-card__media::after { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(220, 194, 143, .35); border-radius: 2px; pointer-events: none; opacity: 0; transition: opacity .6s var(--ease); }
.post-card:hover .post-card__media img { transform: scale(1.04); }
.post-card:hover .post-card__media::after { opacity: 1; }
.post-card__body { display: grid; gap: 12px; align-content: start; }
.post-card__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; font-size: 10.5px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--t-muted); }
.post-card__meta span + span::before { content: ""; display: inline-block; width: 16px; height: 1px; margin-right: 14px; vertical-align: middle; background: var(--t-gold-line); opacity: .7; }
.post-card__title { font-family: var(--font-display); font-size: clamp(24px, 2.1vw, 30px); font-weight: 500; line-height: 1.14; color: var(--t-strong); transition: color .35s var(--ease); }
.post-card:hover .post-card__title { color: var(--t-gold); }
.post-card__excerpt { font-size: 15px; line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.post-card .link-arrow { margin-top: 4px; }
@media (min-width: 960px) {
    .post-card--featured { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(40px, 5vw, 80px); align-items: center; }
    .post-card--featured .post-card__media { aspect-ratio: 16 / 10; }
    .post-card--featured .post-card__title { font-size: clamp(32px, 3.3vw, 48px); line-height: 1.06; }
    .post-card--featured .post-card__excerpt { font-size: 17px; -webkit-line-clamp: 4; }
}
.article__cover { margin-bottom: clamp(40px, 5vw, 64px); }
.article__body { margin-inline: auto; }
.article__foot { margin-top: clamp(48px, 6vw, 72px); padding-top: 28px; border-top: 1px solid var(--t-line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center; }

/* 21 — Basit sayfa / 404 ---------------------------------------------------- */
.simple-body .prose { margin-inline: auto; }
.simple-body .prose + .prose { margin-top: clamp(40px, 5vw, 64px); padding-top: clamp(40px, 5vw, 64px); border-top: 1px solid var(--t-line); }
.simple-body .eyebrow { max-width: 70ch; margin-inline: auto; }
.simple-body__foot { max-width: 70ch; margin: clamp(48px, 6vw, 72px) auto 0; padding-top: 28px; border-top: 1px solid var(--t-line); }
.notfound {
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    background: var(--c-ink-900);
    color: var(--t-muted);
    padding-block: calc(var(--header-h) + 48px) 72px;
}
.notfound::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(50% 60% at 78% 45%, rgba(111, 122, 90, .2), transparent 70%),
        radial-gradient(40% 50% at 0% 100%, rgba(111, 122, 90, .06), transparent 72%);
}
.notfound__art {
    position: absolute;
    top: 50%;
    right: max(4vw, calc((100vw - var(--container)) / 2));
    width: min(36vw, 520px);
    transform: translateY(-50%);
    opacity: .35;
    color: var(--c-gold-400);
    pointer-events: none;
}
/* dekoratif zemin molekülü: büyütülünce atom etiketleri iri görünür → yalnız bağ çizgileri */
.notfound__art .molecule { --mol-stroke: 1.2px; }
.notfound__art .molecule path[class^="atom-"] { display: none; }
.notfound__inner { position: relative; max-width: 720px; }
.notfound__code {
    display: block;
    margin-bottom: 18px;
    font-family: var(--font-display);
    font-size: clamp(88px, 14vw, 200px);
    font-weight: 400;
    line-height: .82;
    letter-spacing: -.03em;
    color: var(--c-gold-400);
    font-feature-settings: "lnum" 1;
}
.notfound__lead { margin-top: 24px; max-width: 540px; }
.notfound__links { margin-top: clamp(40px, 5vw, 64px); padding-top: 26px; border-top: 1px solid var(--t-line); }
.notfound__nav { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 26px; font-size: 14px; }
.notfound__nav a { color: rgba(239, 233, 220, .78); transition: color .3s var(--ease); }
.notfound__nav a:hover { color: var(--c-gold-300); }
@media (max-width: 767px) { .notfound__art { top: auto; bottom: 4%; right: -8vw; width: min(88vw, 400px); transform: none; opacity: .18; } }

/* 22 — İllüstrasyonlar (fw_visual) ------------------------------------------ */
.fw-visual { display: block; width: 100%; height: auto; overflow: visible; color: var(--vis-color, var(--c-gold-400)); }
.fw-visual .fw-t { fill: var(--vis-text, currentColor); font-family: var(--font-sans); font-weight: 400; font-size: calc(var(--fs, 14) * var(--vis-k, 1) * 1px); }
.fw-visual .fw-t[font-weight="500"] { font-weight: 500; }
.fw-visual .fw-t-accent { fill: var(--vis-accent, currentColor); }
.fw-visual .fw-t-strong { fill: var(--vis-strong, currentColor); }
.fw-visual .fw-t-caps { font-weight: 500; }
.fw-visual .fw-t-serif { font-family: var(--font-display); font-style: italic; font-weight: 500; }
.fw-visual--flow { width: 120px; }
.fw-visual--contours { overflow: hidden; }
.fw-visual--contours path { vector-effect: non-scaling-stroke; }
/* Dar kaplarda (steps__visual, vis-panel, page-hero__visual, platform-card__art) metin orantılı büyür, ara etiketler gizlenir */
@container (max-width: 440px) {
    .fw-visual:not(.fw-visual--vessel) { --vis-k: 1.22; }
    .fw-visual .fw-t-minor { display: none; }
}
@media (prefers-reduced-motion: no-preference) {
    html.js .fw-visual:not(.is-visible) .fw-draw { stroke-dasharray: 1; stroke-dashoffset: 1; }
    html.js .fw-visual:not(.is-visible) .fw-pop,
    html.js .fw-visual:not(.is-visible) .fw-tick { opacity: 0; }
    .fw-visual.is-visible .fw-draw { animation: fw-draw 2.6s var(--ease) backwards; animation-delay: var(--delay, 0s); }
    .fw-visual.is-visible .fw-pop { animation: fw-fade 1s ease backwards; animation-delay: var(--delay, 1.6s); }
    .fw-visual.is-visible .fw-tick { animation: fw-tick-in 1s var(--ease) backwards; animation-delay: var(--delay, .5s); }
    .fw-visual .fw-rise { transform-box: fill-box; animation: fw-rise var(--t, 7s) linear infinite; animation-delay: var(--d, 0s); }
    .fw-visual .fw-flow { animation: fw-flow 1.6s linear infinite; }
    .fw-visual .fw-pulse { transform-box: fill-box; transform-origin: center; animation: fw-pulse 3.2s var(--ease) infinite; }
    .fw-visual .fw-drop { animation: fw-drop 4.8s var(--ease) infinite; }
    .fw-visual .fw-drift-slow { animation: fw-drift-y 7s ease-in-out infinite alternate; }
    .fw-visual .fw-drift { animation: fw-drift-x 48s ease-in-out infinite alternate; }
    .fw-visual .fw-spin { transform-origin: 200px 200px; animation: fw-spin 90s linear infinite; }
    /* Sonsuz animasyonlar yalnız görünür alandayken çalışır (main.js .is-inview) */
    html.js .fw-visual:not(.is-inview) :is(.fw-rise, .fw-flow, .fw-pulse, .fw-drop, .fw-drift-slow, .fw-drift, .fw-spin) { animation-play-state: paused; }
}
@keyframes fw-tick-in { from { opacity: 0; transform: translateX(-26px); } to { opacity: 1; transform: none; } }
@keyframes fw-rise {
    0% { transform: translate(0, 0); opacity: 0; }
    12% { opacity: .95; }
    50% { transform: translate(2.5px, calc(var(--rise, -240px) * .5)); }
    85% { opacity: .7; }
    100% { transform: translate(-1.5px, var(--rise, -240px)); opacity: 0; }
}
@keyframes fw-flow { to { stroke-dashoffset: -16; } }
@keyframes fw-pulse { 0% { transform: scale(.7); opacity: .9; } 70%, 100% { transform: scale(1.9); opacity: 0; } }
@keyframes fw-drop { 0% { transform: translateY(-10px); opacity: 0; } 20% { opacity: 1; } 70% { transform: translateY(26px); opacity: 1; } 100% { transform: translateY(40px); opacity: 0; } }
@keyframes fw-drift-y { from { transform: translateY(-2px); } to { transform: translateY(3px); } }
@keyframes fw-drift-x { from { transform: translateX(-24px); } to { transform: translateX(24px); } }
@keyframes fw-spin { to { transform: rotate(360deg); } }

/* 23 — Yardımcılar ---------------------------------------------------------- */
.sr-only {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 100;
    padding: 12px 20px;
    border-radius: var(--radius-pill);
    background: var(--c-gold-300);
    color: var(--c-ink-950);
    font-size: 14px;
    font-weight: 500;
    transform: translateY(-180%);
    transition: transform .3s var(--ease);
}
.skip-link:focus { transform: none; }
.u-center { text-align: center; }
.u-mt-sm { margin-top: 16px; }
.u-mt { margin-top: 32px; }
.u-mt-lg { margin-top: clamp(40px, 5vw, 64px); }
.u-mb-0 { margin-bottom: 0; }
.u-maxw { max-width: 64ch; }

/* 24 — Hareket azaltma ------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
    .fw-visual .fw-rise, .fw-visual .fw-drop, .fw-visual .fw-pulse, .fw-visual .fw-flow,
    .fw-visual .fw-drift, .fw-visual .fw-drift-slow, .fw-visual .fw-spin { animation: none !important; }
}