/* ==========================================================================
   RABİR — Reklam Ajansları Birliği
   Tasarım sistemi ve bileşen stilleri
   ------------------------------------------------------------------------
   1. Yazı tipleri     5. Düğmeler        9.  Bileşenler
   2. Değişkenler      6. Üst bilgi       10. Formlar
   3. Temel            7. Kahraman alanı  11. Alt bilgi
   4. Yardımcılar      8. Bantlar         12. Hareket & duyarlılık
   ========================================================================== */

/* 1. Yazı tipleri ------------------------------------------------------- */
@font-face {
  font-family: "Bricolage Grotesque";
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url("/assets/fonts/bricolage-latin.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: "Bricolage Grotesque";
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url("/assets/fonts/bricolage-latin-ext.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: "Instrument Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/assets/fonts/instrument-latin.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: "Instrument Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/assets/fonts/instrument-latin-ext.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: "Instrument Sans";
  font-style: italic;
  font-weight: 400 700;
  font-display: swap;
  src: url("/assets/fonts/instrument-italic-latin.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: "Instrument Sans";
  font-style: italic;
  font-weight: 400 700;
  font-display: swap;
  src: url("/assets/fonts/instrument-italic-latin-ext.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;
}

/* 2. Değişkenler -------------------------------------------------------- */
:root {
  --ink: #111214;
  --ink-2: #26272c;
  --ink-3: #3b3d43;
  --muted: #5f6167;
  --muted-2: #8a8c92;
  --white: #ffffff;
  --paper: #f6f4ef;
  --paper-2: #edeae3;
  --line: rgba(17, 18, 20, 0.1);
  --line-strong: rgba(17, 18, 20, 0.2);
  --accent: #e8491f;
  --accent-deep: #c63a15;
  --accent-soft: #fbe9e3;
  --success: #1f6b3a;
  --success-soft: #e8f4ec;
  --on-dark: rgba(255, 255, 255, 0.78);
  --on-dark-2: rgba(255, 255, 255, 0.58);
  --line-dark: rgba(255, 255, 255, 0.14);

  /* Temaya göre değişen anlamsal renkler — açık tema */
  color-scheme: light;
  --bg: #ffffff;
  --surface: #ffffff;
  --soft: #f6f4ef;
  --soft-2: #edeae3;
  --text: #111214;
  --text-2: #26272c;
  --band: #111214;              /* her iki temada koyu kalan bantlar */
  --band-border: transparent;
  --footer-bg: #111214;
  --inverse-bg: #111214;        /* birincil düğme ve dolu öğeler */
  --inverse-text: #ffffff;
  --inverse-muted: rgba(255, 255, 255, 0.78);
  --inverse-muted-2: rgba(255, 255, 255, 0.58);
  --inverse-line: rgba(255, 255, 255, 0.14);
  --header-bg: rgba(255, 255, 255, 0.86);
  --focus-ring: rgba(17, 18, 20, 0.08);
  --accent-text: #c63a15;       /* küçük vurgulu metinler */
  --photo-ring: rgba(255, 255, 255, 0.35);
  --photo-filter: brightness(1);
  --logo-filter: grayscale(1);
  --logo-filter-hover: none;
  --toggle-moon: block;
  --toggle-sun: none;
  --shadow-sm: 0 2px 8px rgba(17, 18, 20, 0.04);

  --font-display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --font-text: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;

  --fs-display: clamp(2.9rem, 1.9rem + 5.2vw, 7rem);
  --fs-h1: clamp(2.5rem, 1.6rem + 4.2vw, 5.4rem);
  --fs-h2: clamp(1.95rem, 1.3rem + 2.6vw, 3.5rem);
  --fs-h3: clamp(1.2rem, 1.08rem + 0.5vw, 1.45rem);
  --fs-lede: clamp(1.1rem, 1.02rem + 0.45vw, 1.32rem);

  --container: 1440px;
  --gutter: clamp(20px, 3.2vw, 56px);
  --section: clamp(72px, 9vw, 140px);
  --header-h: 76px;

  --radius-xs: 8px;
  --radius-sm: 14px;
  --radius: 22px;
  --radius-lg: 30px;
  --pill: 999px;

  --shadow: 0 20px 48px -24px rgba(17, 18, 20, 0.18);
  --shadow-lg: 0 32px 64px -28px rgba(17, 18, 20, 0.28);

  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --t-fast: 0.25s;
  --t-med: 0.5s;
}
/* Koyu tema: kullanıcı seçimi (data-theme) ya da seçim yoksa sistem tercihi */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e0f11;
  --surface: #16171a;
  --soft: #131417;
  --soft-2: #1d1e22;
  --text: #ecebe7;
  --text-2: #cfcdc7;
  --muted: #a1a2a8;
  --muted-2: #77797f;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.2);
  --band: #16171a;
  --band-border: rgba(255, 255, 255, 0.08);
  --footer-bg: #0a0b0c;
  --inverse-bg: #ecebe7;
  --inverse-text: #111214;
  --inverse-muted: rgba(17, 18, 20, 0.72);
  --inverse-muted-2: rgba(17, 18, 20, 0.55);
  --inverse-line: rgba(17, 18, 20, 0.14);
  --header-bg: rgba(14, 15, 17, 0.82);
  --focus-ring: rgba(255, 255, 255, 0.1);
  --accent-text: #ff7a52;
  --accent-soft: rgba(232, 73, 31, 0.16);
  --success: #7ad69a;
  --success-soft: rgba(58, 170, 100, 0.16);
  --photo-ring: rgba(255, 255, 255, 0.06);
  --photo-filter: brightness(0.9);
  --logo-filter: grayscale(1) invert(1) brightness(1.05);
  --logo-filter-hover: grayscale(1) invert(1) brightness(1.12);
  --toggle-moon: none;
  --toggle-sun: block;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow: 0 20px 48px -24px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 32px 64px -28px rgba(0, 0, 0, 0.75);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0e0f11;
    --surface: #16171a;
    --soft: #131417;
    --soft-2: #1d1e22;
    --text: #ecebe7;
    --text-2: #cfcdc7;
    --muted: #a1a2a8;
    --muted-2: #77797f;
    --line: rgba(255, 255, 255, 0.09);
    --line-strong: rgba(255, 255, 255, 0.2);
    --band: #16171a;
    --band-border: rgba(255, 255, 255, 0.08);
    --footer-bg: #0a0b0c;
    --inverse-bg: #ecebe7;
    --inverse-text: #111214;
    --inverse-muted: rgba(17, 18, 20, 0.72);
    --inverse-muted-2: rgba(17, 18, 20, 0.55);
    --inverse-line: rgba(17, 18, 20, 0.14);
    --header-bg: rgba(14, 15, 17, 0.82);
    --focus-ring: rgba(255, 255, 255, 0.1);
    --accent-text: #ff7a52;
    --accent-soft: rgba(232, 73, 31, 0.16);
    --success: #7ad69a;
    --success-soft: rgba(58, 170, 100, 0.16);
    --photo-ring: rgba(255, 255, 255, 0.06);
    --photo-filter: brightness(0.9);
    --logo-filter: grayscale(1) invert(1) brightness(1.05);
    --logo-filter-hover: grayscale(1) invert(1) brightness(1.12);
    --toggle-moon: none;
    --toggle-sun: block;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow: 0 20px 48px -24px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 32px 64px -28px rgba(0, 0, 0, 0.75);
  }
}
@media (max-width: 760px) {
  :root { --header-h: 64px; }
}

/* 3. Temel -------------------------------------------------------------- */
@media (min-width: 1600px) { html { font-size: 106.25%; } }
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.65 var(--font-text);
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
body.menu-open { overflow: hidden; }
main { display: block; }
main:focus { outline: none; }
img, svg, picture, video { display: block; max-width: 100%; }
img { height: auto; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.022em;
  text-wrap: balance;
}
h1 em, h2 em, h3 em, .hero__title em { font-style: normal; color: var(--accent); }
::selection { background: var(--accent); color: var(--white); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.icon { width: 1.25em; height: 1.25em; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }

/* 4. Yardımcılar -------------------------------------------------------- */
.container { width: min(100% - 2 * var(--gutter), var(--container)); margin-inline: auto; }
.visually-hidden { 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 18px; border-radius: var(--pill);
  background: var(--inverse-bg); color: var(--inverse-text); font-weight: 600; text-decoration: none;
  transform: translateY(-160%); transition: transform var(--t-fast);
}
.skip-link:focus { transform: none; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.section { padding-block: var(--section); }
.section--soft { background: var(--soft); }
.section--flush { padding-top: clamp(16px, 3vw, 40px); }
.section--cta { padding-block: var(--section); }
/* Önceki bölüm de beyaz zeminliyse onun alt boşluğu yeterli: çift boşluk oluşmasın, üst = alt kalsın */
.section:not(.section--soft) + .section--cta { padding-top: 0; }
.section__foot { margin-top: clamp(28px, 4vw, 44px); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin: 0 0 18px;
  font: 600 0.78rem/1 var(--font-text); letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text);
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: 0 0 auto; }
.eyebrow--light { color: rgba(255, 255, 255, 0.86); }

.num {
  display: flex; align-items: center; gap: 12px; margin: 0 0 18px;
  font: 500 0.78rem/1 var(--font-display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}
.num::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.lede { font-size: var(--fs-lede); line-height: 1.5; color: var(--text-2); max-width: 60ch; text-wrap: pretty; }
.prose .lede + .lede, .prose p + p { margin-top: 1.1em; }
.prose .btn { margin-top: 28px; }

.section-head { margin-bottom: clamp(36px, 5vw, 64px); max-width: 880px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head--center .lede { margin-inline: auto; }
.section-head__title { font-size: var(--fs-h2); max-width: 22ch; }
.section-head__lede { margin-top: 20px; }
.section-head--row { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; max-width: none; }
.section-head--row .lede { max-width: 42ch; padding-bottom: 6px; }
.section-head--row .btn { flex: 0 0 auto; margin-bottom: 6px; }

.grid { display: grid; gap: 20px; list-style: none; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--tight { gap: 14px; }

.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.split--media { align-items: center; }
.split__text .btn { margin-top: 30px; }
.split .section-head__title { margin-bottom: 22px; }

.text-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; color: var(--text); text-decoration: none;
  border-bottom: 1px solid transparent; transition: border-color var(--t-fast), color var(--t-fast);
}
.text-link .icon { transition: transform var(--t-fast); }
.text-link:hover { border-color: var(--text); }
.text-link:hover .icon { transform: translateX(3px); }

.media__frame { position: relative; overflow: hidden; border-radius: var(--radius); background: var(--soft-2); aspect-ratio: 16 / 10; border: 1px solid var(--line); }
.media__frame::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; box-shadow: inset 0 0 0 1px var(--photo-ring); }
.media__frame--wide { aspect-ratio: 21 / 9; }
.media__frame img, .media__img { width: 100%; height: 100%; object-fit: cover; filter: var(--photo-filter); }
.media__caption { display: flex; align-items: center; gap: 12px; margin-top: 14px; font-size: 0.92rem; color: var(--muted); }
.media__caption::before { content: ""; width: 26px; height: 1px; background: var(--accent); }
.media--inline { margin-top: 36px; }

.glyph { position: absolute; pointer-events: none; color: currentColor; }

/* 5. Düğmeler ----------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px; border-radius: var(--pill); border: 1px solid transparent;
  font: 600 0.95rem/1 var(--font-text); letter-spacing: 0.01em; text-decoration: none; cursor: pointer;
  white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.btn__icon { width: 18px; height: 18px; transition: transform var(--t-fast); }
.btn:hover .btn__icon { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--inverse-bg); color: var(--inverse-text); }
.btn--primary:hover { background: var(--accent); }
.btn--light { background: var(--white); color: var(--ink); }
.btn--light:hover { background: var(--paper-2); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--text); }
.btn--ghost-light { background: transparent; color: var(--white); border-color: rgba(255, 255, 255, 0.4); }
.btn--ghost-light:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.08); }
.btn--sm { padding: 10px 16px; font-size: 0.85rem; }
.btn--lg { padding: 17px 30px; font-size: 1rem; }
.btn.is-loading { opacity: 0.65; pointer-events: none; }

/* 6. Üst bilgi ---------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--line);
  color: var(--text);
  transition: background var(--t-med), border-color var(--t-med), color var(--t-med);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 100%; }
.brand { display: inline-flex; align-items: center; color: var(--text); text-decoration: none; }
.brand--light { color: var(--white); }
.brand__logo { width: 152px; height: auto; }
.brand__logo--lg { width: 200px; }
.nav__list { display: flex; gap: 4px; list-style: none; }
.nav__link {
  position: relative; display: inline-block; padding: 10px 12px;
  font-size: 0.95rem; font-weight: 500; color: inherit; text-decoration: none; opacity: 0.82;
  transition: opacity var(--t-fast);
}
.nav__link::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform var(--t-fast) var(--ease-out); }
.nav__link:hover, .nav__link.is-active { opacity: 1; }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.site-header__actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle {
  display: none; width: 44px; height: 44px; padding: 0; border: 1px solid var(--line-strong); border-radius: 50%;
  background: transparent; cursor: pointer; align-items: center; justify-content: center; transition: border-color var(--t-fast);
}
.nav-toggle:hover { border-color: currentColor; }
.nav-toggle__bars { display: flex; flex-direction: column; gap: 5px; width: 18px; }
.nav-toggle__bars i { display: block; height: 2px; border-radius: 2px; background: currentColor; }

.theme-toggle {
  display: inline-grid; place-items: center; width: 44px; height: 44px; padding: 0; flex: 0 0 auto;
  border: 1px solid var(--line-strong); border-radius: 50%; background: transparent; color: inherit; cursor: pointer;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.theme-toggle:hover { border-color: currentColor; }
.theme-toggle .icon { width: 19px; height: 19px; }
.theme-toggle__moon { display: var(--toggle-moon); }
.theme-toggle__sun { display: var(--toggle-sun); }
body.is-home .site-header:not(.is-scrolled) .theme-toggle { border-color: rgba(255, 255, 255, 0.45); }
/* Tema değişirken renkler yumuşakça geçsin (yalnızca geçiş anında) */
html.theme-anim, html.theme-anim *, html.theme-anim *::before, html.theme-anim *::after {
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, fill 0.3s ease, filter 0.3s ease !important;
}

/* Ana sayfada kahraman alanı üzerinde saydam üst bilgi */
/* Sayfanın en üstünde üst bilgi zeminsizdir (cam/bulanıklık efekti de kapalı); kaydırınca zemin belirir */
.site-header:not(.is-scrolled) { background: transparent; border-color: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
html.no-js .site-header { background: var(--header-bg); border-color: var(--line); -webkit-backdrop-filter: blur(16px) saturate(1.4); backdrop-filter: blur(16px) saturate(1.4); }
body.is-home .site-header:not(.is-scrolled) { color: var(--white); }
/* Fotoğraf üzerinde okunabilirlik: hafif gölge (zemin yok) */
body.is-home .site-header:not(.is-scrolled) .nav__link { opacity: 0.94; text-shadow: 0 1px 14px rgba(0, 0, 0, 0.35); }
body.is-home .site-header:not(.is-scrolled) .brand__logo { filter: drop-shadow(0 1px 10px rgba(0, 0, 0, 0.3)); }
body.is-home .site-header:not(.is-scrolled) .brand { color: var(--white); }
body.is-home .site-header:not(.is-scrolled) .btn--primary { background: var(--white); color: var(--ink); }
body.is-home .site-header:not(.is-scrolled) .btn--primary:hover { background: var(--paper-2); }
body.is-home .site-header:not(.is-scrolled) .nav-toggle { border-color: rgba(255, 255, 255, 0.45); }
html.no-js body.is-home .site-header { background: var(--header-bg); border-color: var(--line); color: var(--text); }
html.no-js body.is-home .site-header .brand { color: var(--text); }
html.no-js body.is-home .hero { margin-top: 0; }

.mobile-nav {
  position: fixed; inset: 0; z-index: 60;
  display: grid; grid-template-rows: auto 1fr auto;
  background: var(--band); color: var(--white);
  opacity: 0; transform: translateY(-2%);
  transition: opacity 0.4s var(--ease-out), transform 0.45s var(--ease-out);
  overflow-y: auto;
}
.mobile-nav[hidden] { display: none; }
.mobile-nav.is-open { opacity: 1; transform: none; }
.mobile-nav__top { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.mobile-nav__close { width: 44px; height: 44px; border: 1px solid rgba(255, 255, 255, 0.35); border-radius: 50%; background: transparent; color: var(--white); cursor: pointer; display: grid; place-items: center; }
.mobile-nav__close:hover { border-color: var(--white); }
.mobile-nav__body { padding-block: 24px; }
.mobile-nav__list { list-style: none; }
.mobile-nav__list li { opacity: 0; transform: translateY(18px); transition: opacity 0.5s var(--ease-out), transform 0.6s var(--ease-out); transition-delay: calc(80ms + var(--i, 0) * 55ms); }
.mobile-nav.is-open .mobile-nav__list li { opacity: 1; transform: none; }
.mobile-nav__link {
  display: flex; align-items: center; gap: 18px;
  padding: 16px 0; border-bottom: 1px solid var(--line-dark);
  font: 600 clamp(1.7rem, 6.5vw, 2.6rem)/1.1 var(--font-display); letter-spacing: -0.02em; text-decoration: none; color: var(--white);
}
.mobile-nav__idx { font: 500 0.78rem var(--font-display); letter-spacing: 0.14em; color: var(--on-dark-2); width: 28px; }
.mobile-nav__arrow { margin-left: auto; color: var(--on-dark-2); transition: transform var(--t-fast), color var(--t-fast); }
.mobile-nav__link:hover .mobile-nav__arrow, .mobile-nav__link.is-active .mobile-nav__arrow { color: var(--accent); transform: translate(3px, -3px); }
.mobile-nav__link.is-active { color: var(--accent); }
.mobile-nav__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding-block: 24px 32px; }
.mobile-nav__meta { display: flex; flex-direction: column; gap: 4px; font-size: 0.92rem; color: var(--on-dark); }
.mobile-nav__meta a { text-decoration: none; }

/* 7. Kahraman alanı ----------------------------------------------------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: 100vh; min-height: 100svh;
  margin-top: calc(-1 * var(--header-h));
  display: flex; flex-direction: column;
  background: var(--band); color: var(--white);
}
.hero__media { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
/* <picture> sarmalayıcısı kutuyu doldurmalı; aksi hâlde görsel doğal oranda taşar ve karartmanın altında şerit kalır */
.hero__media picture { display: block; width: 100%; height: 100%; }
/* Dikey konum yüksek tutulur: grup, başlık bloğunun üstünde kalır */
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 0%; animation: hero-zoom 9s var(--ease-out) forwards; }
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(17, 18, 20, 0.5) 0px, rgba(17, 18, 20, 0.22) 120px, rgba(17, 18, 20, 0) 240px),
    linear-gradient(90deg, rgba(17, 18, 20, 0.45) 0%, rgba(17, 18, 20, 0.15) 50%, rgba(17, 18, 20, 0.05) 100%),
    linear-gradient(0deg, rgba(17, 18, 20, 0.95) 0%, rgba(17, 18, 20, 0.74) 30%, rgba(17, 18, 20, 0.18) 60%, rgba(17, 18, 20, 0.2) 100%);
}
.hero__inner {
  flex: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 380px); align-items: end; gap: 48px;
  padding-top: calc(var(--header-h) + 64px); padding-bottom: 112px;
}
.hero__eyebrow { animation: fade-up 1s var(--ease-out) 0.15s both; }
.hero__title { font-size: var(--fs-display); font-weight: 600; line-height: 0.96; letter-spacing: -0.032em; max-width: 12ch; }
.hero__line { display: block; overflow: hidden; padding-bottom: 0.06em; margin-bottom: -0.06em; }
.hero__line > span { display: block; transform: translateY(110%); animation: rise 1.1s var(--ease-out) forwards; animation-delay: calc(0.25s + var(--i, 0) * 0.13s); }
.hero__lede { margin-top: 28px; max-width: 46ch; font-size: var(--fs-lede); line-height: 1.5; color: var(--on-dark); animation: fade-up 1s var(--ease-out) 0.65s both; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; animation: fade-up 1s var(--ease-out) 0.8s both; }
.hero__panel {
  padding: 22px 22px 14px; border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.14);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  animation: fade-up 1s var(--ease-out) 1s both;
}
.hero__panel-title { margin: 0 0 6px; font: 500 0.75rem/1 var(--font-display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-dark-2); }
.hero__links { list-style: none; }
.hero__links a {
  display: flex; align-items: center; gap: 12px; padding: 13px 4px;
  border-top: 1px solid var(--line-dark); font-weight: 500; text-decoration: none; color: var(--white);
  transition: padding var(--t-fast);
}
.hero__links li:first-child a { border-top: 0; }
.hero__links a .icon:first-child { color: var(--accent); }
.hero__links-arrow { margin-left: auto; color: var(--on-dark-2); transition: transform var(--t-fast), color var(--t-fast); }
.hero__links a:hover { padding-left: 10px; }
.hero__links a:hover .hero__links-arrow { color: var(--white); transform: translate(2px, -2px); }
.hero__foot { position: absolute; left: 0; right: 0; bottom: 36px; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; pointer-events: none; }
.hero__cue { width: 1px; height: 56px; overflow: hidden; background: rgba(255, 255, 255, 0.2); }
.hero__cue span { display: block; width: 100%; height: 40%; background: var(--white); animation: cue 2.2s var(--ease-in-out) infinite; }
.hero__note { font-size: 0.8rem; letter-spacing: 0.04em; color: var(--on-dark-2); }

@keyframes rise { to { transform: translateY(0); } }
@keyframes fade-up { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes hero-zoom { from { transform: scale(1.04); } to { transform: scale(1); } }
@media (min-width: 1024px) and (max-height: 880px) {
  .hero__inner { padding-bottom: 72px; }
  .hero__title { font-size: clamp(2.4rem, 3.9vw, 4.2rem); }
  .hero__lede { margin-top: 20px; max-width: 40ch; }
  .hero__actions { margin-top: 26px; }
  .hero__foot { bottom: 22px; }
}
@keyframes cue { 0% { transform: translateY(-100%); } 60% { transform: translateY(260%); } 100% { transform: translateY(260%); } }

/* 8. Bantlar ------------------------------------------------------------ */
.marquee-band { padding: 36px 0 40px; border-bottom: 1px solid var(--line); }
.marquee-band__head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.marquee-band__head .eyebrow { margin: 0; }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__track { display: flex; width: max-content; animation: marquee 48s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__list { display: flex; align-items: center; gap: clamp(44px, 6vw, 96px); padding-right: clamp(44px, 6vw, 96px); list-style: none; }
.marquee__item { display: flex; align-items: center; height: 48px; }
.marquee__item img { display: block; height: 48px; width: auto; max-width: 190px; object-fit: contain; filter: var(--logo-filter); opacity: 0.72; transition: filter var(--t-med), opacity var(--t-med); }
.marquee__item:hover img { filter: var(--logo-filter-hover); opacity: 1; }
.marquee__text { font: 700 1.45rem var(--font-display); letter-spacing: -0.03em; color: var(--text); opacity: 0.72; }
@keyframes marquee { to { transform: translateX(-50%); } }

.quote-band {
  position: relative; isolation: isolate; overflow: hidden;
  padding: clamp(80px, 10vw, 150px) 0; background: var(--band); color: var(--white);
}
.quote-band__media { position: absolute; inset: 0; z-index: -1; }
.quote-band__media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; opacity: 0.4; }
.quote-band__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, rgba(17, 18, 20, 0.92) 0%, rgba(17, 18, 20, 0.6) 60%, rgba(17, 18, 20, 0.75) 100%); }
.quote-band__inner { max-width: 960px; }
.quote-band__heading { font-size: var(--fs-h2); max-width: 20ch; }
.quote-band__text { margin-top: 22px; max-width: 58ch; font-size: var(--fs-lede); line-height: 1.5; color: var(--on-dark); }
.quote-band__quote { position: relative; margin: 0; padding-left: clamp(0px, 4vw, 56px); }
.quote-band__quote::before { content: "“"; position: absolute; left: -0.08em; top: -0.28em; font: 700 clamp(4rem, 9vw, 8rem)/1 var(--font-display); color: var(--accent); }
.quote-band__quote p { font: 500 clamp(1.5rem, 1rem + 2.2vw, 2.7rem)/1.2 var(--font-display); letter-spacing: -0.02em; max-width: 26ch; text-wrap: balance; }
.quote-band__attr { display: flex; align-items: center; gap: 14px; margin-top: 26px; font: 600 0.78rem/1 var(--font-text); letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-dark); }
.quote-band__attr::before { content: ""; width: 32px; height: 1px; background: var(--accent); }
.quote-band__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.quote-band .btn { margin-top: 36px; }
.quote-band .lede { color: var(--on-dark); }

.priority-list { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(24px, 4vw, 64px); }
.priority-list > li { display: flex; gap: 22px; padding: 26px 0; border-top: 1px solid var(--line); }
.priority-list__num { font: 300 2rem/1 var(--font-display); color: var(--accent); flex: 0 0 auto; }
.priority-list__title { font-size: 1.28rem; margin-bottom: 8px; }
.priority-list__text { color: var(--muted); }
.priority-list--band { margin-top: 36px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0 32px; }
.priority-list--band > li { padding: 14px 0; border-color: var(--line-dark); gap: 14px; align-items: baseline; }
.priority-list--band .priority-list__num { font-size: 1.1rem; font-weight: 500; }
.priority-list--band .priority-list__title { font: 500 1.02rem/1.3 var(--font-text); margin: 0; }

.stats { display: flex; flex-wrap: wrap; gap: clamp(32px, 5vw, 80px); margin: clamp(48px, 6vw, 84px) 0 0; padding-top: clamp(32px, 4vw, 48px); border-top: 1px solid var(--line-dark); }
.stat { display: flex; flex-direction: column-reverse; gap: 8px; }
.stat__figure { margin: 0; font: 700 clamp(3.4rem, 7vw, 6rem)/1 var(--font-display); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.stat__figure::after { content: ""; display: inline-block; width: 0.16em; height: 0.16em; margin-left: 0.08em; border-radius: 50%; background: var(--accent); vertical-align: baseline; }
.stat__label { font-size: 0.95rem; color: var(--on-dark); }

.cta-band {
  position: relative; overflow: hidden;
  padding: clamp(48px, 7vw, 96px) clamp(24px, 6vw, 96px);
  border-radius: var(--radius-lg); background: var(--band); border: 1px solid var(--band-border); color: var(--white);
}
.cta-band__glyph { right: -3%; top: -18%; width: min(38%, 420px); color: var(--accent); opacity: 0.22; }
.cta-band__body { position: relative; max-width: 660px; }
.cta-band__title { font-size: var(--fs-h2); max-width: 18ch; }
.cta-band__text { margin-top: 20px; font-size: var(--fs-lede); color: var(--on-dark); max-width: 48ch; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

/* 9. Bileşenler --------------------------------------------------------- */
.page-hero { position: relative; overflow: hidden; background: var(--soft); margin-top: calc(-1 * var(--header-h)); padding: calc(var(--header-h) + clamp(36px, 6vw, 84px)) 0 clamp(40px, 5vw, 72px); }
.page-hero__glyph { right: -2%; top: -8%; width: min(34vw, 420px); color: var(--text); opacity: 0.045; }
.page-hero__inner { position: relative; }
.page-hero__title { font-size: var(--fs-h1); max-width: 17ch; }
.page-hero__lede { margin-top: 24px; }
.page-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.page-hero--404 { min-height: 70vh; display: grid; align-items: center; }
.breadcrumb { margin-bottom: 28px; font-size: 0.85rem; color: var(--muted); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: var(--muted-2); }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { color: var(--text); text-decoration: underline; }
.breadcrumb [aria-current] { color: var(--text); }

.card {
  position: relative; display: flex; flex-direction: column; height: 100%;
  padding: clamp(24px, 3vw, 34px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  transition: transform var(--t-med) var(--ease-out), box-shadow var(--t-med) var(--ease-out), border-color var(--t-fast);
}
.card::after { content: ""; position: absolute; left: var(--radius); right: var(--radius); bottom: 0; height: 3px; border-radius: 3px 3px 0 0; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform var(--t-med) var(--ease-out); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--line-strong); z-index: 2; }
.card:hover::after { transform: scaleX(1); }
.card__title { font-size: var(--fs-h3); margin-bottom: 10px; }
.card__title--lg { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); margin-bottom: 16px; }
.card__text { color: var(--muted); text-wrap: pretty; }
.card--feature { padding: clamp(32px, 4vw, 52px); }
.card--feature .card__text { font-size: 1.08rem; }
.card--dark { background: var(--inverse-bg); color: var(--inverse-text); border-color: transparent; }
.card--dark .num { color: var(--inverse-muted-2); }
.card--dark .num::after { background: var(--inverse-line); }
.card--dark .card__text { color: var(--inverse-muted); }
.card--compact { padding: 22px 24px; }
.card--compact .card__title { font-size: 1.12rem; }
.card--compact .card__text { font-size: 0.97rem; }

.pillars { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 32px; margin-top: clamp(56px, 7vw, 100px); padding-top: 40px; border-top: 1px solid var(--line); }
.pillar { padding-right: 24px; }
.pillar + .pillar { padding-left: 32px; border-left: 1px solid var(--line); }
.pillar__num { display: block; margin-bottom: 22px; font: 300 clamp(2.4rem, 3vw, 3.4rem)/1 var(--font-display); letter-spacing: -0.04em; color: var(--accent); }
.pillar__title { font-size: 1.5rem; margin-bottom: 10px; }
.pillar__text { color: var(--muted); max-width: 30ch; }

.rail { position: relative; }
.rail__track {
  list-style: none; display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 3 * 16px) / 4); gap: 16px;
  overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding-inline: 12px;
  /* Kaydırma alanı hover gölgesini kesmesin: gölge payı kadar iç boşluk, eşdeğer negatif dış boşluk */
  padding: 12px 12px 48px; margin: -12px -12px -48px;
  scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
.rail__track::-webkit-scrollbar { display: none; }
.rail__item { scroll-snap-align: start; }
.rail__nav { position: relative; display: flex; justify-content: flex-end; gap: 10px; margin-top: 24px; }
.rail__btn { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--surface); cursor: pointer; transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast); }
.rail__btn:hover { background: var(--inverse-bg); color: var(--inverse-text); border-color: var(--inverse-bg); }
.rail__btn:disabled { opacity: 0.35; pointer-events: none; }
.tile {
  position: relative; display: flex; flex-direction: column; height: 100%; min-height: 250px;
  padding: 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); text-decoration: none; color: inherit;
  transition: transform var(--t-med) var(--ease-out), box-shadow var(--t-med), border-color var(--t-fast);
}
.tile:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--line-strong); z-index: 2; }
.tile__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 44px; }
.tile__top .num { margin: 0; }
.tile__top .num::after { display: none; }
.tile__icon { width: 26px; height: 26px; color: var(--accent); }
.tile__title { font: 600 1.7rem/1.05 var(--font-display); letter-spacing: -0.03em; margin-bottom: 10px; }
.tile__text { font-size: 0.95rem; color: var(--muted); padding-right: 40px; }
.tile__arrow { position: absolute; right: 20px; bottom: 20px; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line-strong); transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast); }
.tile:hover .tile__arrow { background: var(--inverse-bg); color: var(--inverse-text); border-color: var(--inverse-bg); }

.members li { list-style: none; }
.member {
  position: relative; display: flex; flex-direction: column; height: 100%; overflow: hidden;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  transition: border-color var(--t-fast);
}
.member:hover { border-color: var(--line-strong); }
.member__logo {
  position: relative; display: flex; align-items: center; justify-content: center; height: 176px; padding: 28px 32px;
  background: var(--soft); border-bottom: 1px solid var(--line);
}
.member__logo::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform var(--t-med) var(--ease-out); }
.member:hover .member__logo::after { transform: scaleX(1); }
.member__logo img { display: block; width: auto; height: auto; max-width: 100%; max-height: 92px; object-fit: contain; filter: var(--logo-filter); opacity: 0.85; transition: filter var(--t-med), opacity var(--t-med); }
.member:hover .member__logo img { filter: var(--logo-filter-hover); opacity: 1; }
.member__idx { position: absolute; top: 14px; left: 18px; font: 500 0.72rem/1 var(--font-display); letter-spacing: 0.14em; color: var(--muted-2); }
.member__mark { font: 700 1.8rem/1 var(--font-display); letter-spacing: -0.04em; color: var(--text); }
.member__body { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 18px 20px 20px; }
.member__name { font-size: 1.1rem; }
.member__field { margin-top: 4px; font-size: 0.88rem; color: var(--muted); }
.member__link { display: grid; place-items: center; flex: 0 0 auto; width: 32px; height: 32px; margin-top: 2px; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--text); text-decoration: none; transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast); }
.member__link .icon { width: 15px; height: 15px; }
.member__link:hover { background: var(--inverse-bg); color: var(--inverse-text); border-color: var(--inverse-bg); }

.founders { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.founder { transition: transform var(--t-med) var(--ease-out); }
.founder:hover { transform: translateY(-4px); }
.founder__photo {
  position: relative; overflow: hidden; border-radius: 18px; background: var(--soft-2); aspect-ratio: 4 / 5;
  border: 1px solid var(--line); box-shadow: var(--shadow-sm, 0 2px 8px rgba(17, 18, 20, 0.04));
  transition: box-shadow var(--t-med) var(--ease-out), border-color var(--t-fast);
}
.founder__photo::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  box-shadow: inset 0 0 0 1px var(--photo-ring);
  background: linear-gradient(180deg, rgba(17, 18, 20, 0) 55%, rgba(17, 18, 20, 0.28) 100%);
}
.founder__photo img { width: 100%; height: 100%; object-fit: cover; filter: var(--photo-filter); transition: transform 1.1s var(--ease-out), filter 0.6s var(--ease-out); }
.founder:hover .founder__photo { box-shadow: var(--shadow-lg); border-color: var(--line-strong); }
.founder:hover .founder__photo img { transform: scale(1.05); filter: var(--photo-filter) contrast(1.04); }
.founder__body { padding: 16px 6px 0; }
.founder__name { font-size: 1.2rem; }
.founder__agency { margin-top: 4px; font-size: 0.92rem; color: var(--muted); }
.founder__link { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; font-size: 0.88rem; font-weight: 600; color: var(--text); text-decoration: none; }
.founder__link .icon { width: 16px; height: 16px; transition: transform var(--t-fast); }
.founder__link:hover { color: var(--accent-text); }
.founder__link:hover .icon { transform: translate(2px, -2px); }

.chip-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; list-style: none; }
.chip-list li { padding: 7px 14px; border: 1px solid var(--line-strong); border-radius: var(--pill); font-size: 0.85rem; font-weight: 500; }

.news-grid { gap: 24px; }
.news-card { display: flex; flex-direction: column; height: 100%; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: transform var(--t-med) var(--ease-out), box-shadow var(--t-med), border-color var(--t-fast); }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--line-strong); z-index: 2; }
.news-card__media { position: relative; display: block; overflow: hidden; aspect-ratio: 16 / 10; background: var(--soft-2); }
.news-card__media::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(17, 18, 20, 0) 70%, rgba(17, 18, 20, 0.16) 100%); }
.news-card__media img { width: 100%; height: 100%; object-fit: cover; filter: var(--photo-filter); object-position: 50% 15%; transition: transform 1s var(--ease-out); }
.news-card:hover .news-card__media img { transform: scale(1.04); }
.news-card__body { display: flex; flex-direction: column; flex: 1; padding: 26px; }
.news-card__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 14px; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.news-card__cat { color: var(--accent-text); font-weight: 600; }
.news-card__cat::after { content: "·"; margin-left: 10px; color: var(--muted-2); }
.news-card__title { font-size: 1.4rem; margin-bottom: 12px; }
.news-card__title a { text-decoration: none; }
.news-card__title a::after { content: ""; position: absolute; inset: 0; }
.news-card { position: relative; }
.news-card__excerpt { color: var(--muted); }
.news-card__more { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 22px; font-weight: 600; font-size: 0.92rem; color: var(--text); }
.news-card__more .icon { transition: transform var(--t-fast); }
.news-card:hover .news-card__more .icon { transform: translateX(3px); }
.news-card--featured { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); margin-bottom: 28px; }
.news-card--featured .news-card__media { aspect-ratio: 3 / 2; height: 100%; }
.news-card--featured .news-card__body { padding: clamp(28px, 4vw, 52px); justify-content: center; }
.news-card--featured .news-card__title { font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.6rem); }
.news-card--featured .news-card__excerpt { font-size: 1.08rem; }

.impact__layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); align-items: start; }
.subnav { position: sticky; top: calc(var(--header-h) + 24px); }
.subnav__title { margin-bottom: 14px; font: 500 0.75rem/1 var(--font-display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.subnav__list { list-style: none; }
.subnav__link { display: flex; align-items: center; gap: 12px; padding: 11px 0 11px 16px; border-left: 2px solid transparent; font-weight: 500; color: var(--muted); text-decoration: none; transition: color var(--t-fast), border-color var(--t-fast); }
.subnav__num { font: 500 0.75rem var(--font-display); letter-spacing: 0.1em; }
.subnav__link:hover { color: var(--text); }
.subnav__link.is-active { color: var(--text); border-color: var(--accent); font-weight: 600; }
.impact__group { padding: clamp(28px, 4vw, 52px) 0; border-top: 1px solid var(--line); }
.impact__group:first-child { border-top: 0; padding-top: 0; }
.impact__head { display: flex; align-items: center; gap: 20px; margin-bottom: 26px; }
.impact__head .num { margin: 0 0 6px; }
.impact__head .num::after { display: none; }
.impact__icon { display: grid; place-items: center; width: 60px; height: 60px; flex: 0 0 auto; border-radius: 50%; background: var(--soft); color: var(--accent); }
.impact__icon .icon { width: 26px; height: 26px; }
.impact__title { font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.3rem); }

.faq__layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.faq__aside { position: sticky; top: calc(var(--header-h) + 24px); }
.faq__aside .btn { margin-top: 24px; }
.accordion__item { border-top: 1px solid var(--line); }
.accordion__item:last-child { border-bottom: 1px solid var(--line); }
.accordion__heading { font: inherit; }
.accordion__trigger {
  display: grid; grid-template-columns: 40px minmax(0, 1fr) 40px; align-items: center; gap: 16px;
  width: 100%; padding: 22px 0; border: 0; background: none; text-align: left; cursor: pointer;
}
.accordion__num { font: 500 0.78rem var(--font-display); letter-spacing: 0.12em; color: var(--muted); }
.accordion__q { font-size: 1.12rem; font-weight: 500; line-height: 1.4; transition: color var(--t-fast); }
.accordion__trigger:hover .accordion__q { color: var(--accent-text); }
.accordion__icon { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--line-strong); border-radius: 50%; transition: transform var(--t-med) var(--ease-out), background var(--t-fast), color var(--t-fast), border-color var(--t-fast); }
.accordion__trigger[aria-expanded="true"] .accordion__icon { transform: rotate(45deg); background: var(--inverse-bg); color: var(--inverse-text); border-color: var(--inverse-bg); }
.accordion__panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.45s var(--ease-out); }
.accordion__panel[hidden] { display: none; }
.accordion__panel.is-open { grid-template-rows: 1fr; }
.accordion__inner { overflow: hidden; }
.accordion__inner p { padding: 0 56px 26px; max-width: 64ch; color: var(--muted); }
html.no-js .accordion__panel[hidden] { display: grid; grid-template-rows: 1fr; }

.article__media { margin-top: clamp(8px, 2vw, 24px); }
.article__media .media__frame img { object-position: 50% 8%; }
.article__layout { display: grid; grid-template-columns: minmax(0, 760px) 240px; justify-content: space-between; gap: clamp(32px, 5vw, 80px); padding: clamp(40px, 5vw, 72px) 0 var(--section); }
.prose--article { font-size: 1.15rem; line-height: 1.75; }
.prose--article p + p { margin-top: 1.3em; }
.article__aside { position: sticky; top: calc(var(--header-h) + 24px); display: flex; flex-direction: column; gap: 10px; }
.article__aside .eyebrow { margin: 20px 0 10px; }
.article__aside .eyebrow:first-child { margin-top: 0; }
.article__meta { color: var(--muted); font-size: 0.95rem; margin-bottom: 20px; }
.share { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.share__link { display: inline-flex; align-items: center; gap: 10px; padding: 10px 16px; border: 1px solid var(--line-strong); border-radius: var(--pill); background: var(--surface); font-size: 0.9rem; font-weight: 500; text-decoration: none; cursor: pointer; transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast); }
.share__link:hover { background: var(--inverse-bg); color: var(--inverse-text); border-color: var(--inverse-bg); }
.share__link .icon { width: 18px; height: 18px; }

.gallery__viewport { overflow: hidden; border-radius: var(--radius); background: var(--soft-2); }
.gallery__track { display: flex; list-style: none; transition: transform 0.6s var(--ease-out); }
.gallery__slide { flex: 0 0 100%; aspect-ratio: 16 / 10; }
.gallery__slide img { width: 100%; height: 100%; object-fit: cover; filter: var(--photo-filter); }
.gallery__controls { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 18px; }
.gallery__btn { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--surface); cursor: pointer; transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast); }
.gallery__btn:hover { background: var(--inverse-bg); color: var(--inverse-text); border-color: var(--inverse-bg); }
.gallery__count { min-width: 56px; text-align: center; font: 500 0.95rem var(--font-display); letter-spacing: 0.06em; color: var(--muted); font-variant-numeric: tabular-nums; }

.check-list { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; padding-top: 8px; }
.check-list li { display: flex; align-items: center; gap: 14px; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); font-weight: 500; }
.check-list .icon { width: 28px; height: 28px; padding: 6px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-text); }

.steps { list-style: none; position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.steps::before { content: ""; position: absolute; top: 26px; left: 8%; right: 8%; height: 1px; background: var(--line-strong); }
.step { position: relative; }
.step__num { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 20px; border-radius: 50%; background: var(--inverse-bg); color: var(--inverse-text); font: 600 1.15rem var(--font-display); box-shadow: 0 0 0 8px var(--soft); }
.step__title { font-size: 1.3rem; margin-bottom: 8px; }
.step__text { color: var(--muted); max-width: 26ch; }
.note { display: flex; gap: 14px; align-items: flex-start; margin-top: 44px; padding: 20px 24px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); color: var(--muted); }
.note .icon { color: var(--accent); margin-top: 3px; }

.form-layout { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.form-layout__aside .section-head__title { margin-bottom: 20px; }
.form-card { padding: clamp(24px, 4vw, 44px); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow); }
.info-list { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-top: 32px; }
.info-list li { display: flex; align-items: center; gap: 12px; font-weight: 500; }
.info-list .icon { color: var(--accent); }
.info-list a { text-decoration: none; }
.info-list a:hover { text-decoration: underline; }

.contact-list { margin: 36px 0 0; }
.contact-list__row { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 16px; align-items: center; padding: 18px 0; border-top: 1px solid var(--line); }
.contact-list__row:last-child { border-bottom: 1px solid var(--line); }
.contact-list dt { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; font-weight: 600; color: var(--muted); }
.contact-list dt .icon { color: var(--accent); }
.contact-list dd { margin: 0; font-weight: 500; }
.contact-list a { text-decoration: none; }
.contact-list a:hover { text-decoration: underline; }
.social { list-style: none; display: flex; gap: 10px; }
.social__link { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--line-dark); border-radius: 50%; color: inherit; transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast); }
.social__link:hover { background: var(--white); color: var(--ink); border-color: var(--white); }
.social--dark .social__link { border-color: var(--line-strong); color: var(--text); }
.social--dark .social__link:hover { background: var(--inverse-bg); color: var(--inverse-text); border-color: var(--inverse-bg); }
.callout { margin-top: 36px; padding: 24px 26px; border: 1px dashed var(--line-strong); border-radius: var(--radius); background: var(--soft); }
.callout__title { font-weight: 600; margin-bottom: 6px; }
.callout p + p { color: var(--muted); }
.callout .text-link { margin-top: 14px; }

/* 10. Formlar ----------------------------------------------------------- */
.form { position: relative; }
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; opacity: 0; }
.form__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 16px; }
.field { display: flex; flex-direction: column; }
.field--full { grid-column: 1 / -1; }
.field__label { margin-bottom: 8px; font-size: 0.88rem; font-weight: 600; }
.field__label span { color: var(--accent-text); }
.field__input {
  width: 100%; padding: 14px 16px; border: 1px solid var(--line-strong); border-radius: 12px;
  background: var(--soft); color: var(--text); font: inherit; line-height: 1.4;
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.field__input::placeholder { color: var(--muted-2); }
.field__input:focus { outline: none; border-color: var(--text); background: var(--surface); box-shadow: 0 0 0 4px var(--focus-ring); }
textarea.field__input { resize: vertical; min-height: 120px; }
.field__select { position: relative; }
.field__select select { appearance: none; -webkit-appearance: none; padding-right: 44px; cursor: pointer; }
.field__select .icon { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); pointer-events: none; color: var(--muted); }
.field__error { display: none; margin-top: 6px; font-size: 0.85rem; color: var(--accent-text); }
.field--error .field__input { border-color: var(--accent); }
.field--error .field__error { display: block; }
.form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; margin-top: 28px; }
.form__foot .btn { flex: 0 0 auto; }
.form__note { flex: 1 1 240px; font-size: 0.88rem; color: var(--muted); }
.form__status { display: none; margin-top: 20px; padding: 14px 18px; border-radius: 12px; font-weight: 500; }
.form__status.is-visible { display: block; }
.form__status.is-success { background: var(--success-soft); color: var(--success); }
.form__status.is-error { background: var(--accent-soft); color: var(--accent-text); }

/* 11. Alt bilgi --------------------------------------------------------- */
.site-footer { background: var(--footer-bg); border-top: 1px solid var(--band-border); color: var(--white); padding: clamp(64px, 8vw, 110px) 0 32px; }
.footer__top { display: grid; grid-template-columns: minmax(0, 1.7fr) repeat(3, minmax(0, 1fr)); gap: clamp(32px, 4vw, 56px); }
.footer__desc { margin: 26px 0 28px; max-width: 40ch; color: var(--on-dark); }
.footer__heading { margin-bottom: 18px; font: 500 0.75rem/1 var(--font-display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-dark-2); }
.footer__links { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer__links a { color: var(--on-dark); text-decoration: none; transition: color var(--t-fast); }
.footer__links a:hover { color: var(--white); text-decoration: underline; }
.footer__links--contact li { display: flex; align-items: center; gap: 10px; color: var(--on-dark); }
.footer__links--contact .icon { color: var(--accent); }
.footer__bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-top: clamp(48px, 6vw, 80px); padding-top: 26px; border-top: 1px solid var(--line-dark); font-size: 0.85rem; color: var(--on-dark-2); }

/* 12. Hareket & duyarlılık --------------------------------------------- */
html.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out); }
html.js [data-reveal].is-in { opacity: 1; transform: none; }
html.js [data-stagger] > * { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); transition-delay: calc(var(--i, 0) * 70ms); }
html.js [data-stagger].is-in > * { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  html.js [data-reveal], html.js [data-stagger] > * { opacity: 1; transform: none; }
  .hero__line > span { transform: none; }
  .marquee__track { animation: none; flex-wrap: wrap; width: auto; }
  .marquee__list[aria-hidden] { display: none; }
}

@media (max-width: 1100px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rail__track { grid-auto-columns: calc((100% - 2 * 16px) / 3); }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 1023px) {
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  /* Fotoğraf bandı: geniş bir alan kaplar, alt kenarı uzun bir geçişle mürekkep zemine erir,
     metin bandın alt kısmında başlar. Kısa ekranlarda yükseklik ekrana göre sınırlanır. */
  .hero { min-height: auto; --hero-media-h: max(320px, min(128vw, 64vh)); }
  @supports (height: 1svh) { .hero { --hero-media-h: max(320px, min(128vw, 64svh)); } }
  /* Yan yatmış telefonda ekran çok alçak kalıyor: en küçük yükseklik esnetilir. */
  @media (orientation: landscape) and (max-height: 540px) {
    .hero { --hero-media-h: max(200px, min(128vw, 62vh)); }
    @supports (height: 1svh) { .hero { --hero-media-h: max(200px, min(128vw, 62svh)); } }
    .hero__inner { padding-bottom: 56px; }
  }
  .hero__media { bottom: auto; height: var(--hero-media-h); }
  /* Dar ekranda kare kırpma soldan payı yiyordu; yatay odak masanın çevresindeki
     yüzlerin orta noktasına (%42) alınınca grup kadraja ortalanıyor. */
  .hero__media img { object-position: 42% 0%; }
  .hero__scrim { background: linear-gradient(180deg, rgba(17, 18, 20, 0.5) 0px, rgba(17, 18, 20, 0.2) 90px, rgba(17, 18, 20, 0) 180px), linear-gradient(180deg, rgba(17, 18, 20, 0) 46%, rgba(17, 18, 20, 0.62) 72%, rgba(17, 18, 20, 0.92) 88%, var(--band) 97%); }
  /* Metin bloğu fotoğrafın alt bölümünden (kişilerin altındaki zeminden) başlar */
  .hero__inner { grid-template-columns: 1fr; align-items: start; padding-top: calc(var(--hero-media-h) * 0.8); padding-bottom: 96px; }
  .hero__panel { max-width: 460px; }
  /* minmax(0,1fr): kolonun otomatik alt sınırı, yatayda kaydırılan paydaş sekmelerinin
     genişliğine göre büyüyüp sayfayı taşırmasın diye sıfırlanır. */
  .impact__layout { --subnav-h: 70px; grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .impact__layout > * { min-width: 0; }
  .subnav { position: sticky; top: calc(var(--header-h) - 1px); z-index: 5; margin-inline: calc(-1 * var(--gutter)); padding: 11px 0; background: var(--header-bg); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
  /* Sağ kenarda yumuşak bir solma: şeridin yatayda kaydığını gösterir. */
  .subnav::after { content: ""; position: absolute; top: 1px; bottom: 1px; right: 0; width: clamp(24px, 8vw, 46px); pointer-events: none; background: linear-gradient(90deg, rgba(0, 0, 0, 0), var(--bg) 88%); }
  .subnav__title { display: none; }
  .subnav__list { display: flex; gap: 8px; padding-inline: var(--gutter); overflow-x: auto; overscroll-behavior-x: contain; scroll-padding-inline: var(--gutter); -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .subnav__list::-webkit-scrollbar { display: none; }
  .subnav__link { padding: 10px 16px; border: 1px solid var(--line-strong); border-left-width: 1px; border-radius: var(--pill); white-space: nowrap; font-size: 0.9rem; }
  .subnav__link.is-active { background: var(--inverse-bg); color: var(--inverse-text); border-color: var(--inverse-bg); }
  .subnav__num { display: none; }
  /* Bağlantıyla gelindiğinde başlık, yapışkan şeridin altında kalmasın. */
  .impact__group { scroll-margin-top: calc(var(--subnav-h) - 20px); }
  .impact__group:first-child { padding-top: 20px; }
  .impact__head { gap: 16px; margin-bottom: 20px; }
  .impact__icon { width: 48px; height: 48px; }
  .impact__icon .icon { width: 22px; height: 22px; }
  .faq__layout { grid-template-columns: 1fr; gap: 32px; }
  .faq__aside { position: static; }
  .article__layout { grid-template-columns: 1fr; gap: 40px; }
  .article__aside { position: static; }
  .share { flex-direction: row; flex-wrap: wrap; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }
  .steps::before { display: none; }

  /* Filigran “r”: üstte durunca başlık çubuğunun arkasında düz bir gri dikdörtgen
     gibi görünüyordu; alt köşeye alınınca harf formu okunuyor. */
  .page-hero__glyph { width: min(38vw, 280px); right: -9%; top: auto; bottom: -38px; }

  /* Dokunmatik hedefler: parmakla rahat basılabilecek yükseklik (≈44px). */
  .brand { padding-block: 9px; }
  .member__link { width: 40px; height: 40px; }
  .member__link .icon { width: 17px; height: 17px; }
  .founder__link { margin-top: 2px; padding-block: 9px; }
  .footer__links { gap: 2px; }
  .footer__links a { display: inline-block; padding-block: 8px; }
  .footer__links--contact li { min-height: 44px; }
  .text-link { padding-block: 6px; }
  .info-list a { display: inline-block; padding-block: 8px; }
  .member__idx { font-size: 0.78rem; }
}
@media (max-width: 900px) {
  .founders { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .split, .form-layout { grid-template-columns: 1fr; gap: 36px; }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pillars { grid-template-columns: 1fr; gap: 0; }
  .pillar { padding: 28px 0; border-top: 1px solid var(--line); }
  .pillar + .pillar { padding-left: 0; border-left: 0; }
  .pillar:first-child { border-top: 0; padding-top: 0; }
  .section-head--row { flex-direction: column; align-items: flex-start; gap: 20px; }
  .news-card--featured { grid-template-columns: 1fr; }
  .news-card--featured .news-card__media { aspect-ratio: 16 / 10; height: auto; }
  .priority-list { grid-template-columns: 1fr; }
  .rail__track { grid-auto-columns: calc((100% - 16px) / 2); }
  .contact-list__row { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 760px) {
  /* Telefonda parmakla hızlı kaydırılıyor: açılış hareketi kısa tutulur. */
  html.js [data-reveal] { transition-duration: 0.55s; }
  html.js [data-stagger] > * { transition-duration: 0.5s; transition-delay: calc(min(var(--i, 0), 6) * 45ms); }
  .hero__inner { padding-bottom: 80px; }
  .hero__title { max-width: 10ch; }
  .hero__foot { bottom: 24px; }
  .hero__note { display: none; }
  .marquee-band__head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .quote-band__quote { padding-left: 0; }
  .quote-band__quote::before { position: static; display: block; margin-bottom: -0.2em; }
  .stats { gap: 28px 40px; }
  .cta-band { border-radius: var(--radius); }
  .cta-band__glyph { width: 60%; right: -18%; top: -6%; }
  .check-list { grid-template-columns: 1fr; }
  .form__grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: 36px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .founders { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .header-cta { display: none; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .rail__track { grid-auto-columns: 84%; }
  .steps { grid-template-columns: 1fr; }
  .accordion__trigger { grid-template-columns: minmax(0, 1fr) 38px; }
  .accordion__num { display: none; }
  .accordion__inner p { padding-left: 0; }
  .brand__logo { width: 128px; }
  .hero__actions .btn { width: 100%; }
}

/* Çentikli ekranlar (viewport-fit=cover ile açılan güvenli alan payları).
   env() desteklenmeyen tarayıcılarda blok hiç uygulanmaz, düzen değişmez. */
@supports (padding: env(safe-area-inset-bottom)) {
  .site-header, .mobile-nav { padding-left: env(safe-area-inset-left); padding-right: env(safe-area-inset-right); }
  .mobile-nav { padding-bottom: env(safe-area-inset-bottom); }
  .site-footer { padding-bottom: calc(32px + env(safe-area-inset-bottom)); }
  .hero__foot { bottom: calc(36px + env(safe-area-inset-bottom)); }
  @media (max-width: 760px) { .hero__foot { bottom: calc(24px + env(safe-area-inset-bottom)); } }
  @media (max-width: 1023px) and (orientation: landscape) {
    .container { padding-left: env(safe-area-inset-left); padding-right: env(safe-area-inset-right); }
  }
}

@media print {
  :root, :root[data-theme="dark"], :root:not([data-theme="light"]) {
    color-scheme: light; --bg: #fff; --surface: #fff; --soft: #fff; --soft-2: #f2f2f2; --text: #111214; --text-2: #26272c;
    --muted: #5f6167; --line: rgba(17, 18, 20, 0.15); --line-strong: rgba(17, 18, 20, 0.3); --photo-filter: brightness(1);
  }
  .site-header, .mobile-nav, .site-footer, .section--cta, .hero__media, .hero__foot, .rail__nav, .share { display: none !important; }
  .hero { color: var(--ink); background: none; min-height: 0; }
  html.js [data-reveal], html.js [data-stagger] > * { opacity: 1; transform: none; }
}