/*
 * Kumsel — tasarım sistemi
 * Açık tema + koyu sahne. Kural: inline style yok; sayfaya özel stiller css/pages/{sayfa}.css.
 * Bölümler: 1 font · 2 token · 3 temel · 4 düzen · 5 tipografi · 6 buton · 7 menü · 8 hero ·
 *           9 bileşenler · 10 formlar · 11 footer · 12 çerez/fab · 13 hareket · 14 yardımcılar · 15 baskı
 */

/* 1 ─ Font ─────────────────────────────────────────────── */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/inter-latin-wght-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/inter-latin-ext-wght-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Inter Fallback";
  src: local("Arial");
  size-adjust: 107%;
  ascent-override: 90%;
  descent-override: 22.5%;
  line-gap-override: 0%;
}

/* 2 ─ Tokenlar ─────────────────────────────────────────── */
:root {
  --font: "Inter", "Inter Fallback", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Açık tema */
  --c-bg: #ffffff;
  --c-bg-alt: #f5f5f7;
  --c-surface: #ffffff;
  --c-text: #1d1d1f;
  --c-text-2: #6e6e73;
  --c-text-3: #86868b;
  --c-line: #d2d2d7;
  --c-line-soft: rgba(0, 0, 0, .08);
  --c-overlay: rgba(255, 255, 255, .72);

  /* Marka (logo laciverti) */
  --brand: #1b3588;
  --brand-hover: #132a6e;
  --brand-link: #1f4fbf;
  --brand-tint: #eef3fc;
  --signal: #f58220;           /* logo turuncusu — metin rengi olarak kullanmayın */

  --c-success: #1a7f37;
  --c-error: #c9372c;
  --c-focus: #1f4fbf;

  /* Boşluk (4px taban) */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px;
  --s-6: 32px; --s-7: 48px; --s-8: 64px; --s-9: 96px; --s-10: 128px;
  --section-y: clamp(64px, 10vw, 140px);
  --gutter: clamp(20px, 5vw, 48px);
  --container: 1180px;
  --container-narrow: 760px;
  --container-wide: 1440px;
  --nav-h: 52px;

  /* Köşe ve gölge */
  --r-1: 8px; --r-2: 12px; --r-3: 18px; --r-4: 28px; --r-pill: 980px;
  --sh-1: 0 1px 2px rgba(0, 0, 0, .04);
  --sh-2: 0 4px 16px rgba(0, 0, 0, .06);
  --sh-3: 0 12px 40px rgba(0, 0, 0, .08);

  /* Hareket */
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --ease-pop: cubic-bezier(.34, 1.56, .64, 1);
  --t-fast: 150ms; --t-base: 250ms; --t-slow: 450ms; --t-reveal: 700ms;

  /* Tip ölçeği */
  --fs-display: clamp(2.5rem, 1.6rem + 4.2vw, 5rem);
  --fs-h1: clamp(2.25rem, 1.7rem + 2.6vw, 4rem);
  --fs-h2: clamp(1.875rem, 1.4rem + 2vw, 3rem);
  --fs-h3: clamp(1.25rem, 1.1rem + .6vw, 1.5rem);
  --fs-lead: clamp(1.125rem, 1rem + .5vw, 1.375rem);
  --fs-body: 1.0625rem;
  --fs-small: .875rem;
  --fs-xs: .8125rem;

  color-scheme: light;
}

/* Koyu sahne teması (bölüm bazında) */
.theme-dark {
  --c-bg: #000000;
  --c-bg-alt: #0b0b0d;
  --c-surface: #161618;
  --c-text: #f5f5f7;
  --c-text-2: #a1a1a6;
  --c-text-3: #86868b;
  --c-line: rgba(255, 255, 255, .16);
  --c-line-soft: rgba(255, 255, 255, .08);
  --c-overlay: rgba(22, 22, 23, .72);
  --brand-link: #7aa2ff;
  --brand-tint: rgba(122, 162, 255, .14);
  --c-focus: #7aa2ff;
  color-scheme: dark;
  background: var(--c-bg);
  color: var(--c-text);
}

/* 3 ─ Temel ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}
body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.5;
  letter-spacing: -.011em;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  min-height: 100vh;
}
img, svg, video, canvas, picture { display: block; max-width: 100%; }
img { height: auto; }
picture img { width: 100%; }
h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote, dl, dd { margin: 0; }
ul[class], ol[class] { list-style: none; padding: 0; }
a { color: var(--brand-link); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: .18em; }
button, input, select, textarea { font: inherit; color: inherit; letter-spacing: inherit; }
button { cursor: pointer; }
hr { border: 0; border-top: 1px solid var(--c-line); margin: var(--s-7) 0; }
:focus-visible { outline: 2px solid var(--c-focus); outline-offset: 3px; border-radius: 4px; }
main:focus { outline: none; }
::selection { background: var(--brand-tint); color: var(--c-text); }
[hidden] { display: none !important; }

.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 1.25em; height: 1.25em; flex: none; display: inline-block; vertical-align: -.25em; }
.icon--sm { width: 1em; height: 1em; }
.icon--lg { width: 1.75rem; height: 1.75rem; }
.icon--xl { width: 2.5rem; height: 2.5rem; }

.skip-link {
  position: fixed; left: 16px; top: 8px; z-index: 1000;
  padding: 10px 16px; border-radius: var(--r-pill);
  background: var(--c-text); color: var(--c-bg);
  transform: translateY(-160%); transition: transform var(--t-base) var(--ease-out);
}
.skip-link:focus { transform: none; text-decoration: none; }

/* 4 ─ Düzen ────────────────────────────────────────────── */
.container { width: 100%; max-width: calc(var(--container) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: calc(var(--container-narrow) + 2 * var(--gutter)); }
.container--wide { max-width: calc(var(--container-wide) + 2 * var(--gutter)); }

.section { padding-block: var(--section-y); background: var(--c-bg); color: var(--c-text); }
.section--alt { background: var(--c-bg-alt); }
.section--tight { padding-block: calc(var(--section-y) * .6); }
.section--flush-top { padding-top: 0; }
.section--flush-bottom { padding-bottom: 0; }

.section__head { max-width: 760px; margin: 0 auto var(--s-7); text-align: center; }
.section__head--left { margin-left: 0; text-align: left; }
.section__title { font-size: var(--fs-h2); line-height: 1.08; letter-spacing: -.025em; font-weight: 700; text-wrap: balance; }
.section__lead { margin-top: var(--s-4); font-size: var(--fs-lead); line-height: 1.45; color: var(--c-text-2); text-wrap: pretty; }
.section__foot { margin-top: var(--s-7); display: flex; flex-wrap: wrap; gap: var(--s-5); justify-content: center; }

.grid { display: grid; gap: clamp(16px, 2vw, 24px); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); }
.grid--auto { grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); }

.split { display: grid; gap: clamp(32px, 5vw, 80px); align-items: center; }
@media (min-width: 1024px) {
  .split { grid-template-columns: 1fr 1fr; }
  .split--reverse > :first-child { order: 2; }
  .split--wide-media { grid-template-columns: 5fr 7fr; }
}

.stack > * + * { margin-top: var(--s-4); }
.stack--lg > * + * { margin-top: var(--s-6); }
.cluster { display: flex; flex-wrap: wrap; gap: var(--s-4); align-items: center; }

/* 5 ─ Tipografi ────────────────────────────────────────── */
h1, .h1 { font-size: var(--fs-h1); line-height: 1.05; letter-spacing: -.03em; font-weight: 700; text-wrap: balance; }
h2, .h2 { font-size: var(--fs-h2); line-height: 1.08; letter-spacing: -.025em; font-weight: 700; text-wrap: balance; }
h3, .h3 { font-size: var(--fs-h3); line-height: 1.2; letter-spacing: -.018em; font-weight: 600; text-wrap: balance; }
h4, .h4 { font-size: 1.0625rem; line-height: 1.3; font-weight: 600; }
.display { font-size: var(--fs-display); line-height: 1.02; letter-spacing: -.035em; font-weight: 700; text-wrap: balance; }
.lead { font-size: var(--fs-lead); line-height: 1.45; color: var(--c-text-2); text-wrap: pretty; }
.eyebrow {
  display: inline-block; margin-bottom: var(--s-3);
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: .01em;
  color: var(--brand);
}
.theme-dark .eyebrow { color: var(--c-text-2); }
.muted { color: var(--c-text-2); }
.small { font-size: var(--fs-small); }
.xsmall { font-size: var(--fs-xs); }
.text-center { text-align: center; }
.nums { font-variant-numeric: tabular-nums; }

.link-chevron {
  display: inline-flex; align-items: center; gap: .15em;
  font-weight: 500; color: var(--brand-link);
}
.link-chevron::after {
  content: ""; width: .5em; height: .5em; margin-left: .2em;
  border-right: 1.6px solid currentColor; border-top: 1.6px solid currentColor;
  transform: rotate(45deg) translateY(-.02em);
  transition: transform var(--t-base) var(--ease-out);
}
.link-chevron:hover { text-decoration: underline; }
.link-chevron:hover::after { transform: rotate(45deg) translate(2px, -2px); }

.prose { font-size: var(--fs-body); line-height: 1.65; color: var(--c-text); }
.prose > * + * { margin-top: 1em; }
.prose h2 { font-size: clamp(1.4rem, 1.2rem + 1vw, 1.9rem); margin-top: 2.2em; }
.prose h3 { font-size: 1.2rem; margin-top: 1.8em; }
.prose ul, .prose ol { padding-left: 1.25em; }
.prose li + li { margin-top: .4em; }
.prose a { text-decoration: underline; text-underline-offset: .18em; }
.prose table { width: 100%; border-collapse: collapse; font-size: var(--fs-small); }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-wrap table { min-width: 560px; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--c-line); vertical-align: top; }
.prose th { font-weight: 600; background: var(--c-bg-alt); }

/* 6 ─ Butonlar ─────────────────────────────────────────── */
.btn {
  --btn-bg: var(--brand); --btn-fg: #fff; --btn-bd: transparent;
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 44px; padding: 10px 22px;
  border: 1px solid var(--btn-bd); border-radius: var(--r-pill);
  background: var(--btn-bg); color: var(--btn-fg);
  font-size: 1rem; font-weight: 500; line-height: 1.2; letter-spacing: -.01em;
  text-align: center; text-decoration: none; white-space: nowrap;
  transition: background-color var(--t-base) var(--ease-out), color var(--t-base) var(--ease-out), border-color var(--t-base) var(--ease-out), transform var(--t-fast) var(--ease-out);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(.98); }
.btn--primary:hover { --btn-bg: var(--brand-hover); }
.btn--secondary { --btn-bg: transparent; --btn-fg: var(--brand-link); --btn-bd: currentColor; }
.btn--secondary:hover { --btn-bg: var(--brand-tint); }
.btn--light { --btn-bg: #f5f5f7; --btn-fg: #1d1d1f; }
.btn--light:hover { --btn-bg: #ffffff; }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--c-text); --btn-bd: var(--c-line); }
.btn--ghost:hover { --btn-bg: var(--c-bg-alt); }
.theme-dark .btn--primary { --btn-bg: #f5f5f7; --btn-fg: #1d1d1f; }
.theme-dark .btn--primary:hover { --btn-bg: #ffffff; }
.theme-dark .btn--secondary { --btn-fg: #f5f5f7; }
.theme-dark .btn--secondary:hover { --btn-bg: rgba(255, 255, 255, .08); }
.btn--sm { min-height: 32px; padding: 6px 14px; font-size: .875rem; }
.btn--lg { min-height: 52px; padding: 14px 30px; font-size: 1.0625rem; }
.btn--block { display: flex; width: 100%; }
.btn[disabled], .btn[aria-busy="true"] { opacity: .6; pointer-events: none; }

/* 7 ─ Menü ─────────────────────────────────────────────── */
.gnav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(255, 255, 255, .78);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: background-color var(--t-slow) var(--ease-out), border-color var(--t-slow) var(--ease-out), color var(--t-slow) var(--ease-out);
  color: var(--c-text);
}
.gnav--scrolled { border-bottom-color: var(--c-line-soft); }
.gnav__bar {
  height: 100%; max-width: calc(var(--container) + 2 * var(--gutter)); margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex; align-items: center; gap: clamp(12px, 2vw, 28px);
}
.gnav__logo { position: relative; display: block; flex: none; line-height: 0; }
.gnav__logo:hover { text-decoration: none; }
.gnav__logo-img { height: 26px; width: auto; }
.gnav__logo-img--white { position: absolute; inset: 0; opacity: 0; transition: opacity var(--t-slow) var(--ease-out); }
.gnav__logo-img--color { transition: opacity var(--t-slow) var(--ease-out); }
.gnav__nav { flex: 1; display: none; }
.gnav__list { display: flex; justify-content: center; gap: clamp(14px, 1.9vw, 30px); }
.gnav__link {
  display: block; padding: 6px 0;
  font-size: .8125rem; font-weight: 450; letter-spacing: -.005em;
  color: inherit; opacity: .82; white-space: nowrap;
  transition: opacity var(--t-fast) var(--ease-out);
}
.gnav__link:hover { opacity: 1; text-decoration: none; }
.gnav__link[aria-current="page"] { opacity: 1; font-weight: 600; }
.gnav__actions { margin-left: auto; display: flex; align-items: center; gap: 12px; flex: none; }
.gnav__lang {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; min-height: 32px; padding: 4px 8px; border-radius: var(--r-pill);
  font-size: .8125rem; font-weight: 600; color: inherit; opacity: .82;
}
.gnav__lang:hover { opacity: 1; background: var(--c-line-soft); text-decoration: none; }
.gnav__cta { display: none; }
.gnav__burger {
  width: 44px; height: 44px; margin-right: -10px;
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  background: none; border: 0; border-radius: var(--r-2); color: inherit;
}
.gnav__burger-line { display: block; width: 18px; height: 1.5px; border-radius: 2px; background: currentColor; }
@media (min-width: 480px) { .gnav__cta { display: inline-flex; } }
@media (min-width: 1080px) {
  .gnav__nav { display: block; }
  .gnav__burger { display: none; }
}

/* Koyu bölüm üzerindeyken */
.gnav--dark, .gnav--on-dark {
  background: rgba(22, 22, 23, .78);
  color: #f5f5f7;
  border-bottom-color: rgba(255, 255, 255, .06);
}
.gnav--dark .gnav__logo-img--white, .gnav--on-dark .gnav__logo-img--white { opacity: 1; }
.gnav--dark .gnav__logo-img--color, .gnav--on-dark .gnav__logo-img--color { opacity: 0; }
.gnav--dark .gnav__cta, .gnav--on-dark .gnav__cta { --btn-bg: #f5f5f7; --btn-fg: #1d1d1f; }
.gnav--dark .gnav__lang:hover, .gnav--on-dark .gnav__lang:hover { background: rgba(255, 255, 255, .1); }

/* Mobil menü (dialog) */
.menu {
  position: fixed; inset: 0; z-index: 200;
  width: 100%; height: 100%; max-width: none; max-height: none;
  margin: 0; padding: 0; border: 0;
  background: rgba(255, 255, 255, .97);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  color: var(--c-text);
  overflow-y: auto; overscroll-behavior: contain;
}
.menu::backdrop { background: transparent; }
.menu__inner {
  min-height: 100%; display: flex; flex-direction: column;
  padding: 0 var(--gutter) max(24px, env(safe-area-inset-bottom));
}
.menu__top { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; }
.menu__close {
  width: 44px; height: 44px; margin-right: -10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: none; border: 0; border-radius: var(--r-2); color: inherit;
}
.menu__close .icon { width: 22px; height: 22px; }
.menu__list { padding: var(--s-5) 0; }
.menu__link {
  display: block; padding: 10px 0;
  font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2rem); font-weight: 600; letter-spacing: -.02em;
  color: var(--c-text);
}
.menu__link:hover { color: var(--brand); text-decoration: none; }
.menu__link[aria-current="page"] { color: var(--brand); }
.menu__foot { margin-top: auto; padding-top: var(--s-5); border-top: 1px solid var(--c-line-soft); display: grid; gap: var(--s-5); }
.menu__contact { display: grid; gap: var(--s-3); }
.menu__meta { display: inline-flex; align-items: center; gap: 10px; color: var(--c-text-2); font-size: var(--fs-small); }
.menu__meta:hover { color: var(--c-text); text-decoration: none; }
html.menu-open { overflow: hidden; }

/* 8 ─ Hero ve sayfa başlığı ────────────────────────────── */
.hero { padding-top: clamp(40px, 8vw, 96px); padding-bottom: clamp(48px, 8vw, 96px); text-align: center; background: var(--c-bg); }
.hero__eyebrow { font-size: var(--fs-small); font-weight: 600; color: var(--brand); margin-bottom: var(--s-4); }
.hero__title { font-size: var(--fs-display); line-height: 1.02; letter-spacing: -.035em; font-weight: 700; max-width: 16ch; margin-inline: auto; text-wrap: balance; }
.hero__lead { max-width: 640px; margin: var(--s-5) auto 0; font-size: var(--fs-lead); line-height: 1.45; color: var(--c-text-2); text-wrap: pretty; }
.hero__actions { margin-top: var(--s-6); display: flex; flex-wrap: wrap; gap: var(--s-4) var(--s-6); align-items: center; justify-content: center; }
.hero__media { margin-top: clamp(40px, 6vw, 72px); border-radius: var(--r-4); overflow: hidden; background: var(--c-bg-alt); }
.hero__media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.hero__trust { margin-top: var(--s-6); display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s-2) var(--s-5); color: var(--c-text-2); font-size: var(--fs-small); }
.hero__trust li { display: inline-flex; align-items: center; gap: 6px; }
.hero__trust .icon { color: var(--brand); }

.page-hero { padding-top: clamp(48px, 9vw, 112px); padding-bottom: clamp(32px, 5vw, 64px); text-align: center; }
.page-hero__eyebrow { font-size: var(--fs-small); font-weight: 600; color: var(--brand); margin-bottom: var(--s-3); }
.theme-dark .page-hero__eyebrow { color: var(--c-text-2); }
.page-hero__title { font-size: var(--fs-h1); line-height: 1.04; letter-spacing: -.03em; font-weight: 700; max-width: 18ch; margin-inline: auto; text-wrap: balance; }
.page-hero__lead { max-width: 680px; margin: var(--s-5) auto 0; font-size: var(--fs-lead); line-height: 1.45; color: var(--c-text-2); text-wrap: pretty; }
.page-hero__actions { margin-top: var(--s-6); display: flex; flex-wrap: wrap; gap: var(--s-4) var(--s-6); justify-content: center; align-items: center; }

.subnav { margin-top: var(--s-6); display: flex; flex-wrap: wrap; gap: var(--s-2); justify-content: center; }
.subnav a {
  display: inline-flex; align-items: center; min-height: 36px; padding: 6px 16px;
  border-radius: var(--r-pill); font-size: var(--fs-small); font-weight: 500;
  color: var(--c-text); background: var(--c-bg-alt);
}
.subnav a:hover { text-decoration: none; background: var(--c-line-soft); }
.subnav a[aria-current="page"] { background: var(--c-text); color: var(--c-bg); }

/* 9 ─ Bileşenler ───────────────────────────────────────── */
/* Kutucuk (tile) */
.tile {
  position: relative; display: flex; flex-direction: column; overflow: hidden;
  border-radius: var(--r-4); background: var(--c-bg-alt); color: var(--c-text);
  min-height: 100%;
}
.section--alt .tile { background: var(--c-surface); }
.tile--dark { background: #000; color: #f5f5f7; --c-text-2: #a1a1a6; --brand-link: #7aa2ff; }
.tile__body { padding: clamp(28px, 4vw, 48px); display: flex; flex-direction: column; gap: var(--s-3); }
.tile__body--center { text-align: center; align-items: center; }
.tile__eyebrow { font-size: var(--fs-small); font-weight: 600; color: var(--c-text-2); }
.tile__title { font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem); line-height: 1.08; letter-spacing: -.025em; font-weight: 700; text-wrap: balance; }
.tile__text { color: var(--c-text-2); font-size: var(--fs-body); max-width: 46ch; }
.tile__body--center .tile__text { margin-inline: auto; }
.tile__links { margin-top: var(--s-2); display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-5); align-items: center; }
.tile__body--center .tile__links { justify-content: center; }
.tile__media { margin-top: auto; }
.tile__media img { width: 100%; object-fit: cover; }
.tile__media--contain { padding: 0 clamp(20px, 4vw, 48px) clamp(20px, 4vw, 40px); }
.tile__media--contain img { object-fit: contain; }
.tile__media--contain picture { mix-blend-mode: multiply; }

/* Genel kart */
.card { background: var(--c-surface); border-radius: var(--r-3); padding: clamp(20px, 3vw, 32px); box-shadow: var(--sh-1); }
.section--alt .card { box-shadow: none; }
.card--outline { background: transparent; box-shadow: none; border: 1px solid var(--c-line); }
.card__title { font-size: 1.1875rem; font-weight: 600; letter-spacing: -.015em; }
.card__text { margin-top: var(--s-2); color: var(--c-text-2); font-size: .9375rem; }

/* Ürün kartı */
.pcard {
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--c-surface); border-radius: var(--r-3);
  transition: box-shadow var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out);
}
.section:not(.section--alt) .pcard { background: var(--c-bg-alt); }
.pcard:hover { box-shadow: var(--sh-3); }
.pcard__media { position: relative; aspect-ratio: 4 / 5; display: flex; align-items: center; justify-content: center; padding: 24px; background: inherit; }
.pcard__media img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.pcard__media picture { width: 100%; height: 100%; }
.pcard__body { padding: 0 24px 24px; display: flex; flex-direction: column; gap: var(--s-2); flex: 1; }
.pcard__badge { font-size: var(--fs-xs); font-weight: 600; color: var(--brand); letter-spacing: .01em; }
.pcard__title { font-size: 1.1875rem; line-height: 1.25; font-weight: 600; letter-spacing: -.015em; }
.pcard__text { color: var(--c-text-2); font-size: .9375rem; }
.pcard__chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: var(--s-1); }
.pcard__foot { margin-top: auto; padding-top: var(--s-3); display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-5); align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 4px; min-height: 26px; padding: 3px 10px;
  border-radius: var(--r-pill); font-size: var(--fs-xs); font-weight: 500;
  background: var(--c-surface); color: var(--c-text-2); border: 1px solid var(--c-line-soft);
}
.section:not(.section--alt) .pcard .chip { background: #fff; }

/* Proje kartı */
.projcard {
  display: flex; flex-direction: column; width: 100%; padding: 0; text-align: left;
  border: 0; border-radius: var(--r-3); overflow: hidden;
  background: var(--c-surface); color: var(--c-text);
}
.section:not(.section--alt) .projcard { background: var(--c-bg-alt); }
.projcard__media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--c-line-soft); }
.projcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 900ms var(--ease-out); }
.projcard:hover .projcard__media img { transform: scale(1.03); }
.projcard__body { padding: 18px 20px 22px; display: grid; gap: 4px; }
.projcard__tag { font-size: var(--fs-xs); font-weight: 600; color: var(--brand); }
.projcard__title { font-size: 1.0625rem; font-weight: 600; letter-spacing: -.012em; line-height: 1.3; }
.projcard__meta { font-size: var(--fs-small); color: var(--c-text-2); }

/* Özellik */
.feature { display: grid; gap: var(--s-3); align-content: start; }
.feature__icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--brand-tint); color: var(--brand);
}
.feature__icon .icon { width: 24px; height: 24px; }
.feature__title { font-size: 1.1875rem; font-weight: 600; letter-spacing: -.015em; }
.feature__text { color: var(--c-text-2); font-size: .9688rem; }

/* Sayaçlar */
.stats { display: grid; gap: var(--s-6) var(--s-5); grid-template-columns: repeat(2, minmax(0, 1fr)); text-align: center; }
@media (min-width: 900px) { .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.stat__num { display: block; font-size: clamp(2.5rem, 1.8rem + 3vw, 4.5rem); font-weight: 700; line-height: 1; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.stat__label { display: block; margin-top: var(--s-3); color: var(--c-text-2); font-size: var(--fs-small); }

/* Segment filtre */
.seg {
  display: inline-flex; flex-wrap: wrap; gap: 4px; margin: 0; padding: 4px;
  border: 0; border-radius: var(--r-pill); background: var(--c-bg-alt);
  max-width: 100%;
}
.section--alt .seg { background: var(--c-line-soft); }
.seg legend { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.seg__opt { position: relative; flex: none; }
@media (max-width: 479px) {
  .seg { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .seg::-webkit-scrollbar { display: none; }
}
.seg__opt input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.seg__opt span {
  display: inline-flex; align-items: center; min-height: 36px; padding: 6px 18px;
  border-radius: var(--r-pill); font-size: var(--fs-small); font-weight: 500; color: var(--c-text-2);
  transition: background-color var(--t-base) var(--ease-out), color var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out);
}
.seg__opt input:checked + span { background: var(--c-surface); color: var(--c-text); box-shadow: var(--sh-2); }
.seg__opt input:focus-visible + span { outline: 2px solid var(--c-focus); outline-offset: 2px; }
.filter-bar { display: flex; flex-wrap: wrap; gap: var(--s-4); align-items: center; justify-content: space-between; margin-bottom: var(--s-6); }
.filter-bar__count { color: var(--c-text-2); font-size: var(--fs-small); }

/* Karusel */
.rail { position: relative; }
.rail__track {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(260px, 78%);
  gap: 20px; overflow-x: auto; overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory; scroll-padding-inline: var(--gutter);
  padding: 4px var(--gutter) 8px; margin-inline: calc(var(--gutter) * -1);
  scrollbar-width: none;
}
.rail__track::-webkit-scrollbar { display: none; }
.rail__item { scroll-snap-align: start; }
@media (min-width: 640px) { .rail__track { grid-auto-columns: minmax(280px, 44%); } }
@media (min-width: 1024px) { .rail__track { grid-auto-columns: calc((100% - 40px) / 3); } }
.rail__controls { display: flex; justify-content: flex-end; gap: 12px; margin-top: var(--s-5); }
.rail__btn {
  width: 40px; height: 40px; border-radius: 50%; border: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--c-line-soft); color: var(--c-text);
  transition: background-color var(--t-base) var(--ease-out), opacity var(--t-base);
}
.rail__btn:hover { background: var(--c-line); }
.rail__btn[disabled] { opacity: .35; cursor: default; }

/* Logo ızgarası */
.logos { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 150px), 1fr)); }
.logos__item {
  aspect-ratio: 3 / 2; display: flex; align-items: center; justify-content: center; padding: 18px;
  border-radius: var(--r-3); background: var(--c-bg-alt);
}
.section--alt .logos__item { background: var(--c-surface); }
.logos__item img { max-height: 64px; width: auto; max-width: 100%; object-fit: contain; mix-blend-mode: multiply; filter: grayscale(1); opacity: .78; transition: filter var(--t-slow) var(--ease-out), opacity var(--t-slow) var(--ease-out); }
.logos__item:hover img { filter: none; opacity: 1; }
.logos__item picture { display: contents; }

/* CTA bandı */
.cta-band { padding-block: clamp(64px, 9vw, 120px); text-align: center; background: var(--c-bg-alt); color: var(--c-text); }
.cta-band--dark { background: #000; color: #f5f5f7; }
.cta-band__title { font-size: var(--fs-h2); line-height: 1.08; letter-spacing: -.025em; font-weight: 700; text-wrap: balance; max-width: 20ch; margin-inline: auto; }
.cta-band__text { max-width: 580px; margin: var(--s-4) auto 0; color: var(--c-text-2); font-size: var(--fs-lead); }
.cta-band__actions { margin-top: var(--s-6); display: flex; flex-wrap: wrap; gap: var(--s-4) var(--s-5); justify-content: center; align-items: center; }

/* Zaman çizelgesi */
.timeline { display: grid; gap: var(--s-5); counter-reset: tl; }
@media (min-width: 900px) { .timeline { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.timeline__item { position: relative; padding-top: var(--s-5); border-top: 2px solid var(--c-line); }
.timeline__item::before { content: ""; position: absolute; top: -6px; left: 0; width: 10px; height: 10px; border-radius: 50%; background: var(--brand); }
.timeline__year { font-size: clamp(1.75rem, 1.4rem + 1.2vw, 2.5rem); font-weight: 700; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.timeline__title { margin-top: var(--s-2); font-weight: 600; }
.timeline__text { margin-top: var(--s-2); color: var(--c-text-2); font-size: .9375rem; }

/* Bilgi listesi */
.info-list { display: grid; gap: var(--s-4); }
.info-list__item { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; }
.info-list__icon { width: 40px; height: 40px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; background: var(--brand-tint); color: var(--brand); }
.info-list__label { font-size: var(--fs-xs); font-weight: 600; color: var(--c-text-2); }
.info-list__value { font-size: 1rem; color: var(--c-text); }
.info-list__value a { color: inherit; }
.info-list__value a:hover { color: var(--brand-link); }

/* Tıkla-yükle (harita, LinkedIn, katalog) */
.facade {
  position: relative; overflow: hidden; border-radius: var(--r-3);
  background: var(--c-bg-alt); aspect-ratio: 16 / 10;
  display: flex; align-items: center; justify-content: center; text-align: center;
}
.facade--tall { aspect-ratio: 4 / 5; }
.facade__inner { padding: var(--s-6); display: grid; gap: var(--s-3); justify-items: center; max-width: 420px; }
.facade__icon { width: 56px; height: 56px; border-radius: 16px; display: inline-flex; align-items: center; justify-content: center; background: var(--c-surface); color: var(--brand); box-shadow: var(--sh-2); }
.facade__note { font-size: var(--fs-xs); color: var(--c-text-2); }
.facade__title { font-size: var(--fs-small); color: var(--c-text-2); max-width: 30ch; }
.facade iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: #fff; }

/* Lightbox */
.lightbox {
  width: min(1100px, 94vw); max-width: none; max-height: 92vh;
  padding: 0; border: 0; border-radius: var(--r-3); overflow: hidden;
  background: #0b0b0d; color: #f5f5f7;
}
.lightbox::backdrop { background: rgba(0, 0, 0, .78); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.lightbox__figure { display: grid; }
.lightbox__img { width: 100%; max-height: calc(92vh - 64px); object-fit: contain; background: #0b0b0d; }
.lightbox__caption { padding: 16px 64px 18px 20px; font-size: var(--fs-small); color: #d2d2d7; min-height: 56px; }
.lightbox__close {
  position: absolute; top: 12px; right: 12px; width: 40px; height: 40px; border-radius: 50%; border: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(40, 40, 42, .8); color: #fff;
}
.lightbox__close:hover { background: rgba(70, 70, 72, .9); }
.lightbox__nav {
  position: absolute; top: 50%; width: 44px; height: 44px; margin-top: -40px; border-radius: 50%; border: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(40, 40, 42, .72); color: #fff;
}
.lightbox__nav:hover { background: rgba(70, 70, 72, .9); }
.lightbox__nav--prev { left: 12px; }
.lightbox__nav--next { right: 12px; }

/* Rozet/etiket satırı */
.badges { display: flex; flex-wrap: wrap; gap: 8px; }

/* 10 ─ Formlar ─────────────────────────────────────────── */
.form { display: grid; gap: var(--s-5); }
.form__row { display: grid; gap: var(--s-5); }
@media (min-width: 640px) { .form__row--2 { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 6px; }
.field__label { font-size: var(--fs-small); font-weight: 600; color: var(--c-text); }
.field__label small { font-weight: 400; color: var(--c-text-2); }
.field__input {
  width: 100%; min-height: 48px; padding: 12px 14px;
  border: 1px solid var(--c-line); border-radius: var(--r-2);
  background: var(--c-surface); color: var(--c-text); font-size: 1rem;
  transition: border-color var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out);
  -webkit-appearance: none; appearance: none;
}
textarea.field__input { min-height: 140px; resize: vertical; line-height: 1.5; }
select.field__input {
  padding-right: 40px;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
.field__input::placeholder { color: var(--c-text-3); }
.field__input:hover { border-color: var(--c-text-3); }
.field__input:focus { outline: none; border-color: var(--brand-link); box-shadow: 0 0 0 4px var(--brand-tint); }
.field__input[aria-invalid="true"] { border-color: var(--c-error); }
.field__input[aria-invalid="true"]:focus { box-shadow: 0 0 0 4px rgba(201, 55, 44, .14); }
.field__hint { font-size: var(--fs-xs); color: var(--c-text-2); }
.field__error { font-size: var(--fs-xs); color: var(--c-error); font-weight: 500; }
.field__error:empty { display: none; }
.field--check { grid-template-columns: 22px 1fr; align-items: start; column-gap: 10px; }
.field--check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--brand); }
.field--check label { font-size: var(--fs-small); color: var(--c-text-2); }
.field--check .field__error { grid-column: 2; }
.form__actions { display: flex; flex-wrap: wrap; gap: var(--s-4); align-items: center; }
.form__status { font-size: var(--fs-small); border-radius: var(--r-2); }
.form__status:not(:empty) { padding: 14px 16px; }
.form__status[data-state="ok"] { background: rgba(26, 127, 55, .08); color: var(--c-success); }
.form__status[data-state="error"] { background: rgba(201, 55, 44, .08); color: var(--c-error); }
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }

/* 11 ─ Footer ──────────────────────────────────────────── */
.footer { background: var(--c-bg-alt); color: var(--c-text-2); font-size: var(--fs-xs); line-height: 1.5; padding: var(--s-8) 0 var(--s-6); }
.footer a { color: var(--c-text-2); }
.footer a:hover { color: var(--c-text); text-decoration: underline; }
.footer__top { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-4) var(--s-6); padding-bottom: var(--s-6); border-bottom: 1px solid var(--c-line); }
.footer__logo img { height: 24px; width: auto; }
.footer__since { font-size: var(--fs-small); color: var(--c-text-2); }
.footer__social { margin-left: auto; display: flex; gap: 6px; }
.footer__social a { width: 36px; height: 36px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; color: var(--c-text-2); }
.footer__social a:hover { background: var(--c-line-soft); color: var(--c-text); }
.footer__social .icon { width: 18px; height: 18px; }
.footer__grid { display: grid; gap: var(--s-6); padding: var(--s-6) 0; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); }
@media (min-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr 2fr; } }
.footer__title { font-size: var(--fs-xs); font-weight: 600; color: var(--c-text); margin-bottom: var(--s-3); letter-spacing: 0; }
.footer__links { display: grid; gap: 8px; }
.footer__contact a, .footer__plain { display: inline-flex; gap: 8px; align-items: flex-start; }
.footer__contact .icon { width: 15px; height: 15px; margin-top: 2px; }
.footer__bottom { display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-6); align-items: center; padding-top: var(--s-5); border-top: 1px solid var(--c-line); }
.footer__note { color: var(--c-text-3); }
.footer__meta { margin-left: auto; display: flex; flex-wrap: wrap; gap: var(--s-5); }
.footer__meta a { display: inline-flex; align-items: center; gap: 4px; }
.footer__meta .icon { width: 14px; height: 14px; }

/* 12 ─ Çerez bildirimi ve WhatsApp ─────────────────────── */
.cookie {
  position: fixed; z-index: 150; left: 12px; right: 12px; bottom: max(12px, env(safe-area-inset-bottom));
  display: flex; align-items: center; gap: 12px;
  padding: 12px 12px 12px 16px; border-radius: var(--r-3);
  background: rgba(255, 255, 255, .94);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, .14), 0 0 0 1px rgba(0, 0, 0, .05);
  font-size: var(--fs-xs); line-height: 1.4; color: var(--c-text-2);
  transform: translateY(calc(100% + 24px)); transition: transform var(--t-slow) var(--ease-out);
}
.cookie.is-visible { transform: none; }
.cookie__text { flex: 1; }
.cookie__text a { color: var(--brand-link); white-space: nowrap; }
.cookie__btn { flex: none; }
@media (min-width: 640px) {
  .cookie { right: auto; left: 20px; bottom: 20px; max-width: 380px; }
}

.fab {
  position: fixed; z-index: 90; right: 16px; bottom: max(16px, env(safe-area-inset-bottom));
  width: 52px; height: 52px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: #128c4b; color: #fff;  /* beyaz ikon için 4.5:1 üzeri yeşil */
  box-shadow: 0 6px 20px rgba(0, 0, 0, .18);
  transition: transform var(--t-slow) var(--ease-out), opacity var(--t-slow) var(--ease-out), bottom var(--t-slow) var(--ease-out);
}
.fab:hover { text-decoration: none; background: #0f7a41; }
.fab .icon { width: 26px; height: 26px; }
.fab.is-hidden { opacity: 0; transform: scale(.6); pointer-events: none; }
html.has-cookie .fab { bottom: calc(max(16px, env(safe-area-inset-bottom)) + 76px); }
@media (min-width: 640px) {
  .fab { right: 24px; bottom: 24px; }
  html.has-cookie .fab { bottom: 24px; }
}

/* 13 ─ Hareket ─────────────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  .js .reveal:not(.is-in) { opacity: 0; transform: translateY(28px); }
  .js .reveal { transition: opacity var(--t-reveal) var(--ease-out), transform var(--t-reveal) var(--ease-out); }
  .js .reveal--d1 { transition-delay: 80ms; }
  .js .reveal--d2 { transition-delay: 160ms; }
  .js .reveal--d3 { transition-delay: 240ms; }
  .menu[open] .menu__item { animation: menu-in 420ms var(--ease-out) both; }
  .menu[open] .menu__item:nth-child(2) { animation-delay: 30ms; }
  .menu[open] .menu__item:nth-child(3) { animation-delay: 60ms; }
  .menu[open] .menu__item:nth-child(4) { animation-delay: 90ms; }
  .menu[open] .menu__item:nth-child(5) { animation-delay: 120ms; }
  .menu[open] .menu__item:nth-child(6) { animation-delay: 150ms; }
  .menu[open] .menu__item:nth-child(7) { animation-delay: 180ms; }
  .menu[open] .menu__item:nth-child(8) { animation-delay: 210ms; }
  .menu[open] .menu__item:nth-child(9) { animation-delay: 240ms; }
  .menu[open] .menu__item:nth-child(10) { animation-delay: 270ms; }
  .menu[open] { animation: fade-in 240ms var(--ease-out); }
  .lightbox[open] { animation: zoom-in 320ms var(--ease-out); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
@keyframes menu-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes zoom-in { from { opacity: 0; transform: scale(.97); } to { opacity: 1; transform: none; } }

/* 14 ─ 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; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-4 { margin-top: var(--s-4); }
.mt-5 { margin-top: var(--s-5); }
.mt-6 { margin-top: var(--s-6); }
.mt-7 { margin-top: var(--s-7); }
.rounded { border-radius: var(--r-4); overflow: hidden; }
.rounded img { width: 100%; }
.ratio-16x9 img { aspect-ratio: 16 / 9; object-fit: cover; }
.ratio-4x3 img { aspect-ratio: 4 / 3; object-fit: cover; }
.ratio-1x1 img { aspect-ratio: 1 / 1; object-fit: cover; }
.no-wrap { white-space: nowrap; }

/* 15 ─ Baskı ───────────────────────────────────────────── */
@media print {
  .gnav, .menu, .fab, .cookie, .skip-link, .rail__controls, .story__stage { display: none !important; }
  body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
  .section { padding-block: 24px; }
  .theme-dark { background: #fff !important; color: #000 !important; }
}