/* Şan Yapı ve Mühendislik — kurumsal web sitesi · v1.1.0
   Tasarım yönü: "Kesit" — mühendislik ve yapımın katmanları: güçlü yarı dar başlıklar, az ama güçlü fotoğraf,
   belirgin renk alanları (koyu lacivert, taş, kırık beyaz) ve içeriğe göre değişen kompozisyonlar.
   Yazı tipleri: Archivo (başlık, yarı dar) + IBM Plex Sans (gövde, gezinme). */

/* ---------------------------------------------------------------- Yazı tipleri */
@font-face { font-family: "Archivo SC"; font-style: normal; font-weight: 500 700; font-display: swap; src: url("../fonts/archivo-sc-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212, U+FEFF, U+FFFD; }
@font-face { font-family: "Archivo SC"; font-style: normal; font-weight: 500 700; font-display: swap; src: url("../fonts/archivo-sc-latin-ext.woff2") format("woff2"); unicode-range: U+0100-0130, U+0132-02AF, U+0304, U+0308, U+0329, U+1E00-1EFF; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-ext-400-normal.woff2") format("woff2"); unicode-range: U+0100-0130, U+0132-02AF, U+0304, U+0308, U+0329, U+1E00-1EFF; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-ext-600-normal.woff2") format("woff2"); unicode-range: U+0100-0130, U+0132-02AF, U+0304, U+0308, U+0329, U+1E00-1EFF; }

/* ---------------------------------------------------------------- Tasarım değişkenleri */
:root {
  --navy: #05254B;
  --navy-deep: #031A36;
  --gold: #C7AA6F;
  --gold-text: #6F5828;         /* açık zeminde okunabilir altın tonu */
  --paper: #F7F5F0;             /* ana zemin */
  --stone: #E8E2D6;             /* taş rengi alan */
  --white: #FFFFFF;
  --ink: #071E3D;               /* başlıklar */
  --text: #243A55;              /* gövde */
  --muted: #536579;             /* ikincil metin */
  --hair: rgba(5, 37, 75, .13);
  --hair-strong: rgba(5, 37, 75, .26);
  --on-dark: rgba(255, 255, 255, .86);
  --on-dark-muted: rgba(255, 255, 255, .68);
  --hair-dark: rgba(255, 255, 255, .18);

  --f-head: "Archivo SC", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --f-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;

  --wrap: 1240px;
  --gutter: clamp(20px, 4.4vw, 64px);
  --hdr: 72px;
  --sec: clamp(72px, 9vw, 128px);
  --ease: cubic-bezier(.22, .61, .36, 1);

  --t-display: clamp(36px, 4.7vw, 70px);
  --t-h1: clamp(34px, 3.7vw, 54px);
  --t-h2: clamp(28px, 2.8vw, 42px);
  --t-h3: clamp(20px, 1.55vw, 23px);
  --t-lead: clamp(18.5px, 1.35vw, 21px);
}

/* ---------------------------------------------------------------- Temel */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--hdr) + 16px); }
body {
  margin: 0; min-width: 320px; background: var(--paper); color: var(--text);
  font-family: var(--f-body); font-size: 17px; line-height: 1.65; font-weight: 400;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { margin: 0; color: var(--ink); font-family: var(--f-head); font-weight: 600; letter-spacing: -.012em; text-wrap: balance; }
h1 { font-size: var(--t-h1); line-height: 1.04; }
h2 { font-size: var(--t-h2); line-height: 1.08; }
h3 { font-size: var(--t-h3); line-height: 1.2; letter-spacing: -.005em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 600; }
a { color: inherit; }
button, input, select { font: inherit; color: inherit; }
address { font-style: normal; }
:focus-visible { outline: 3px solid var(--navy); outline-offset: 3px; border-radius: 2px; }
[tabindex="-1"]:focus { outline: none; }
.on-dark :focus-visible { outline-color: var(--gold); }
[hidden] { display: none !important; }
.vh { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.wrap { width: 100%; max-width: calc(var(--wrap) + 2 * var(--gutter)); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.muted { color: var(--muted); }
a.tel, .tel { white-space: nowrap; }

.on-dark { background: var(--navy-deep); color: var(--on-dark); }
.on-dark h1, .on-dark h2, .on-dark h3 { color: #fff; }

/* Üst satır (yalnız sayfa başlarında) */
.eyebrow { margin: 0 0 16px; font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; line-height: 1.4; color: var(--gold-text); }
.eyebrow--light { color: var(--gold); }

/* Simge */
.i { width: 1em; height: 1em; flex: none; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* Düğmeler */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 13px 24px;
  border: 1.5px solid transparent; border-radius: 2px; font-family: var(--f-body); font-size: 16px; font-weight: 600; line-height: 1.2;
  text-decoration: none; cursor: pointer; transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn .i { transition: transform .25s var(--ease); }
.btn--gold { background: var(--gold); color: var(--navy-deep); }
.btn--navy { background: var(--navy); color: #fff; }
.btn--line { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn--ghost { border-color: rgba(255, 255, 255, .75); color: #fff; background: rgba(3, 26, 54, .15); }
@media (hover: hover) {
  .btn--gold:hover { background: #D6BE8B; }
  .btn--navy:hover { background: var(--navy-deep); }
  .btn--line:hover { background: var(--navy); color: #fff; }
  .btn--ghost:hover { background: #fff; color: var(--navy); border-color: #fff; }
  .btn:hover .i { transform: translateX(3px); }
}
.btns { display: flex; flex-wrap: wrap; gap: 12px 14px; }

/* Metin bağlantısı */
.link {
  display: inline-flex; align-items: center; gap: 10px; min-height: 44px;
  font-weight: 600; font-size: 16px; color: var(--navy); text-decoration: underline; text-decoration-color: var(--gold);
  text-decoration-thickness: 2px; text-underline-offset: 6px; transition: text-decoration-color .2s var(--ease);
}
.link .i { transition: transform .25s var(--ease); }
.on-dark .link { color: #fff; }
@media (hover: hover) { .link:hover { text-decoration-color: currentColor; } .link:hover .i { transform: translateX(3px); } }

.skip { position: absolute; left: 12px; top: -80px; z-index: 100; padding: 12px 18px; background: var(--navy); color: #fff; font-weight: 600; text-decoration: none; }
.skip:focus { top: 12px; }

/* ---------------------------------------------------------------- Üst bant */
.hdr { position: sticky; top: 0; z-index: 50; background: rgba(247, 245, 240, .97); border-bottom: 1px solid var(--hair); }
@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) { .hdr { background: rgba(247, 245, 240, .9); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); } }
.hdr__in { display: flex; align-items: center; gap: 28px; height: var(--hdr); }
.hdr__logo { display: block; flex: none; width: 140px; padding: 6px 0; }
.hdr__logo img { width: 100%; height: auto; }
.nav { margin-left: auto; }
.nav ul { display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; list-style: none; }
.nav a {
  position: relative; display: flex; align-items: center; min-height: 44px; padding: 0 10px;
  font-size: 15px; font-weight: 600; color: var(--muted); text-decoration: none; white-space: nowrap; transition: color .2s var(--ease);
}
.nav a::after { content: ""; position: absolute; left: 10px; right: 10px; bottom: 5px; height: 2px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
.nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"]::after { transform: scaleX(1); }
@media (hover: hover) { .nav a:hover { color: var(--ink); } .nav a:hover::after { transform: scaleX(.5); } }
.hdr__cta { flex: none; min-height: 44px; padding: 9px 18px; font-size: 15px; }
.menu-btn { display: none; }
.nav__contact { display: none; }

@media (max-width: 1279px) { .hdr__cta { display: none; } }
@media (max-width: 1099px) {
  :root { --hdr: 62px; }
  .hdr__logo { width: 120px; }
  .menu-btn {
    display: inline-flex; align-items: center; gap: 10px; margin-left: auto; min-height: 44px; min-width: 44px; padding: 0 4px 0 12px;
    background: none; border: 0; font-size: 15px; font-weight: 600; color: var(--navy); cursor: pointer;
  }
  .menu-btn__bars { position: relative; width: 22px; height: 14px; }
  .menu-btn__bars::before, .menu-btn__bars::after, .menu-btn__bars span { content: ""; position: absolute; left: 0; right: 0; height: 2px; background: currentColor; transition: transform .25s var(--ease), opacity .2s; }
  .menu-btn__bars::before { top: 0; } .menu-btn__bars span { top: 6px; } .menu-btn__bars::after { top: 12px; }
  .menu-open .menu-btn__bars::before { transform: translateY(6px) rotate(45deg); }
  .menu-open .menu-btn__bars span { opacity: 0; }
  .menu-open .menu-btn__bars::after { transform: translateY(-6px) rotate(-45deg); }
  .nav {
    position: fixed; z-index: 49; left: 0; right: 0; top: var(--hdr); bottom: 0; margin: 0;
    padding: 12px var(--gutter) calc(32px + env(safe-area-inset-bottom)); overflow-y: auto; overscroll-behavior: contain;
    background: var(--navy-deep); color: #fff;
  }
  .js .nav:not(.is-open) { display: none; }
  .nav ul { display: block; }
  .nav li { border-bottom: 1px solid var(--hair-dark); }
  .nav a { min-height: 58px; padding: 0; font-family: var(--f-head); font-size: 24px; font-weight: 600; color: rgba(255, 255, 255, .8); }
  .nav a::after { display: none; }
  .nav a[aria-current="page"] { color: #fff; }
  .nav a[aria-current="page"]::before { content: ""; width: 16px; height: 2px; margin-right: 14px; background: var(--gold); }
  .nav :focus-visible { outline-color: var(--gold); }
  .nav__contact { display: grid; gap: 2px; margin-top: 24px; }
  .nav__contact a { min-height: 44px; font-family: var(--f-body); font-size: 17px; font-weight: 600; color: #fff; }
}
html:not(.js) .menu-btn { display: none; }
@media (max-width: 1099px) { html:not(.js) .nav { position: static; padding: 8px 0 16px; } html:not(.js) .hdr__in { flex-wrap: wrap; height: auto; padding-top: 10px; } html:not(.js) .hdr { position: static; } }

/* ---------------------------------------------------------------- Sayfalar ve ortak düzen */
.page { outline: none; }
.js .page.is-entering { animation: pageIn .3s var(--ease) both; }
@keyframes pageIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.phead { padding: clamp(56px, 8vw, 112px) 0 clamp(36px, 4.5vw, 64px); }
.phead h1 { max-width: 18ch; }
.phead__lead { max-width: 56ch; margin: 22px 0 0; font-size: var(--t-lead); line-height: 1.55; color: var(--ink); }

.page-end { padding: 40px 0 var(--sec); }
.page-end .wrap { position: relative; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 32px; padding-top: 28px; }
.page-end .wrap::before { content: ""; position: absolute; top: 0; left: var(--gutter); right: var(--gutter); height: 1px; background: var(--hair-strong); }
.page-end p { margin: 0; color: var(--muted); }
.next-links { display: flex; flex-wrap: wrap; gap: 4px 28px; }
.photo__tag { position: absolute; z-index: 2; right: 12px; bottom: 12px; padding: 5px 9px; background: rgba(3, 26, 54, .78); color: #fff; font-size: 12px; font-weight: 600; letter-spacing: .04em; line-height: 1.2; }
.photo-note { margin: 40px 0 0; font-size: 14px; color: var(--muted); }

/* ---------------------------------------------------------------- Ana Sayfa */
.hero { position: relative; display: flex; align-items: flex-end; min-height: min(86vh, 820px); min-height: min(86svh, 820px); color: #fff; overflow: hidden; background: var(--navy-deep); }
.hero__media { position: absolute; inset: 0; margin: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 62%; }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(3, 26, 54, .9) 0%, rgba(3, 26, 54, .66) 38%, rgba(3, 26, 54, .12) 72%),
              linear-gradient(0deg, rgba(3, 26, 54, .75) 0%, rgba(3, 26, 54, 0) 46%);
}
.hero__in { position: relative; z-index: 1; padding-top: 120px; padding-bottom: clamp(56px, 8vh, 96px); }
.hero__title { max-width: 14ch; font-size: var(--t-display); line-height: 1.02; letter-spacing: -.018em; color: #fff; }
.hero__lead { max-width: 46ch; margin: 24px 0 36px; font-size: var(--t-lead); line-height: 1.55; color: rgba(255, 255, 255, .9); }

.flow { padding: var(--sec) 0; }
.flow__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px clamp(40px, 6vw, 112px); }
.flow__head { align-self: start; position: sticky; top: calc(var(--hdr) + 40px); }
.flow__head h2 { max-width: 14ch; margin-bottom: 22px; }
.flow__head p { max-width: 42ch; }
.flow__more { margin-top: 18px; }
.stages { margin: 0; padding: 0; list-style: none; }
.stage { position: relative; padding: 0 0 44px 40px; }
.stage::before { content: ""; position: absolute; left: 6px; top: 12px; bottom: -12px; width: 1px; background: var(--hair-strong); }
.stage:last-child::before { display: none; }
.stage::after { content: ""; position: absolute; left: 0; top: 7px; width: 13px; height: 13px; border: 2px solid var(--gold); background: var(--paper); }
.stage h3 { font-size: clamp(24px, 2.1vw, 32px); margin-bottom: 12px; }
.stage p { max-width: 54ch; }
.flow__note { grid-column: 2; margin: -8px 0 0 40px; max-width: 58ch; font-size: 15.5px; color: var(--muted); }

.partners { padding: var(--sec) 0; }
.partners__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 3.5fr) minmax(0, 3.5fr); gap: 40px clamp(32px, 4vw, 72px); align-items: start; }
.partners__head h2 { max-width: 12ch; margin-bottom: 20px; }
.partners__head p { max-width: 44ch; }
.partner { padding-top: 26px; border-top: 2px solid var(--gold); }
.partner__n { display: flex; align-items: baseline; gap: 10px; margin: 0 0 16px; color: var(--on-dark-muted); font-size: 15px; }
.partner__n strong { font-family: var(--f-head); font-size: clamp(48px, 4.6vw, 72px); font-weight: 600; line-height: .9; color: #fff; letter-spacing: -.02em; }
.partner h3 { font-size: clamp(22px, 1.8vw, 27px); }
.partner__role { margin: 6px 0 14px; color: var(--gold); font-weight: 600; font-size: 15.5px; }
.partners__note { grid-column: 1 / -1; margin: 12px 0 0; padding-top: 22px; border-top: 1px solid var(--hair-dark); font-size: 15px; color: var(--on-dark-muted); max-width: 80ch; }

.invite { padding: clamp(64px, 8vw, 104px) 0; background: var(--stone); }
.invite__grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: 32px clamp(40px, 6vw, 112px); align-items: end; }
.invite h2 { margin-bottom: 16px; }
.invite__lines { display: grid; gap: 2px; justify-items: start; }
.bigline { display: inline-flex; align-items: center; min-height: 48px; font-family: var(--f-head); font-size: clamp(26px, 2.6vw, 38px); font-weight: 600; letter-spacing: -.01em; color: var(--navy); text-decoration: none; white-space: nowrap; }
@media (hover: hover) { .bigline:hover { text-decoration: underline; text-decoration-color: var(--gold); text-decoration-thickness: 2px; text-underline-offset: 7px; } }
.invite__lines .link { margin-top: 12px; }

/* ---------------------------------------------------------------- Kurumsal */
.corp { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4.5fr); gap: 40px clamp(40px, 6vw, 112px); align-items: start; padding-bottom: var(--sec); }
.corp__text { max-width: 64ch; font-size: 18px; line-height: 1.7; }
.facts { padding: 28px 28px 10px; background: var(--stone); }
.facts__title { font-family: var(--f-body); font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-text); margin-bottom: 8px; }
.facts dl { margin: 0; }
.facts dl > div { padding: 12px 0; border-top: 1px solid var(--hair); }
.facts dt { font-size: 13.5px; color: var(--muted); }
.facts dd { margin: 2px 0 0; color: var(--ink); font-weight: 600; line-height: 1.5; }
.facts dd a { display: inline-flex; align-items: center; min-height: 44px; color: var(--navy); text-decoration: none; }
@media (hover: hover) { .facts dd a:hover { text-decoration: underline; text-decoration-color: var(--gold); text-underline-offset: 5px; } }

.principles { padding: var(--sec) 0; background: var(--navy-deep); color: var(--on-dark); }
.principles h2, .principles h3 { color: #fff; }
.principles__head { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 20px clamp(40px, 6vw, 112px); align-items: end; margin-bottom: clamp(40px, 5vw, 64px); }
.principles__head p { margin: 0; max-width: 48ch; color: var(--on-dark-muted); }
.principles__grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 44px clamp(28px, 3.5vw, 56px); margin: 0; padding: 0; list-style: none; }
.principles__grid li { grid-column: span 2; padding-top: 20px; border-top: 1px solid var(--hair-dark); }
.principles__grid li:nth-child(4) { grid-column: 2 / span 2; }
.principles__grid h3 { margin-bottom: 10px; }
.principles__grid p { color: var(--on-dark); }

/* ---------------------------------------------------------------- Kurucu */
.founder-head { padding: clamp(64px, 9vw, 120px) 0 clamp(44px, 5vw, 64px); }
.founder-head h1 { font-size: clamp(38px, 4.4vw, 62px); color: #fff; }
.founder-head__role { margin: 14px 0 0; font-size: var(--t-lead); color: var(--on-dark); }
.founder { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 40px clamp(48px, 7vw, 128px); align-items: start; padding-top: clamp(48px, 6vw, 80px); padding-bottom: var(--sec); }
.founder__text { max-width: 64ch; }
.founder__text p { font-size: 18px; line-height: 1.75; margin-bottom: 1.2em; }
.founder__text p:first-child { font-size: clamp(19.5px, 1.45vw, 22px); line-height: 1.6; color: var(--ink); }
.founder__aside { position: sticky; top: calc(var(--hdr) + 40px); padding-left: 24px; border-left: 3px solid var(--gold); }
.founder__statement { margin: 0; font-family: var(--f-head); font-size: clamp(22px, 1.9vw, 28px); font-weight: 600; line-height: 1.3; color: var(--navy); }
.founder__statement-label { margin: 14px 0 0; font-size: 14px; color: var(--muted); }

/* ---------------------------------------------------------------- Faaliyet Alanları */
.disc { scroll-margin-top: calc(var(--hdr) + 8px); }
.disc__grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 24px clamp(40px, 6vw, 112px); align-items: start; }
.disc__grid h2 { max-width: 12ch; }
.disc__body { max-width: 62ch; font-size: 18px; line-height: 1.7; }
.disc--plain { padding: clamp(40px, 5vw, 72px) 0 var(--sec); }
.disc--photo { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); background: var(--stone); }
.disc__media { position: relative; min-height: 560px; overflow: hidden; }
.disc__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 55% 50%; }
.disc__panel { align-self: center; padding: clamp(48px, 6vw, 96px) clamp(28px, 5vw, 88px); max-width: 640px; font-size: 18px; line-height: 1.7; }
.disc__panel h2 { margin-bottom: 22px; }
.disc--navy { padding: var(--sec) 0; }
.disc--navy .disc__body { color: var(--on-dark); }
.types { padding: var(--sec) 0 calc(var(--sec) * .7); }
.types__head { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 20px clamp(40px, 6vw, 112px); align-items: end; margin-bottom: clamp(36px, 4.5vw, 56px); }
.types__head p { margin: 0; max-width: 58ch; color: var(--muted); }
.types__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin: 0; padding: 0; list-style: none; background: var(--white); border: 1px solid var(--hair); }
.types__grid li { padding: clamp(26px, 3vw, 40px); scroll-margin-top: calc(var(--hdr) + 8px); }
.types__grid li:nth-child(odd) { border-right: 1px solid var(--hair); }
.types__grid li:nth-child(n+3) { border-top: 1px solid var(--hair); }
.types__grid h3 { margin-bottom: 10px; }
.types__grid p { max-width: 50ch; }
.types__grid .link { margin-top: 10px; }

/* ---------------------------------------------------------------- Referanslar (onaylı yapı; yeni tipografiye uyarlandı) */
.refs-head { padding: clamp(40px, 5vw, 72px) 0 22px; }
.refs-head h1 { font-size: clamp(36px, 3.8vw, 54px); }
.refs-head p { max-width: 72ch; margin: 12px 0 0; color: var(--text); }
.refs-tools { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px 24px; align-items: end; padding: 18px 0; border-top: 1px solid var(--hair-strong); border-bottom: 1px solid var(--hair); }
.search { position: relative; }
.search label, .field label, .seg__label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--gold-text); }
.search input {
  width: 100%; min-height: 50px; padding: 12px 52px 12px 46px; border: 1px solid var(--hair-strong); border-radius: 2px; background: var(--white);
  font-size: 17px; color: var(--ink); -webkit-appearance: none; appearance: none;
}
.search input::-webkit-search-cancel-button { display: none; }
.search input:focus { outline: 3px solid var(--navy); outline-offset: 1px; }
.search__icon { position: absolute; left: 16px; bottom: 15px; width: 20px; height: 20px; color: var(--muted); pointer-events: none; }
.search__clear { position: absolute; right: 3px; bottom: 3px; width: 44px; height: 44px; display: grid; place-items: center; border: 0; background: none; color: var(--navy); cursor: pointer; }
.search__clear .i { width: 18px; height: 18px; }
.seg { display: flex; border: 1px solid var(--hair-strong); border-radius: 2px; background: var(--white); }
.seg button { display: inline-flex; align-items: center; gap: 8px; min-height: 48px; min-width: 44px; padding: 0 16px; border: 0; background: none; font-size: 15px; font-weight: 600; color: var(--muted); cursor: pointer; white-space: nowrap; }
.seg button + button { border-left: 1px solid var(--hair); }
.seg button span { font-size: 13px; font-weight: 400; color: var(--muted); }
.seg button[aria-pressed="true"] { background: var(--navy); color: #fff; }
.seg button[aria-pressed="true"] span { color: var(--gold); }
@media (hover: hover) { .seg button:not([aria-pressed="true"]):hover { color: var(--navy); background: var(--paper); } }
.refs-filters { display: grid; grid-template-columns: repeat(2, minmax(0, 220px)) minmax(0, 280px) auto; gap: 12px 16px; align-items: end; padding: 16px 0 18px; border-bottom: 1px solid var(--hair); }
.field select {
  width: 100%; min-height: 48px; padding: 10px 40px 10px 14px; border: 1px solid var(--hair-strong); border-radius: 2px; background: var(--white);
  font-size: 16px; color: var(--ink); -webkit-appearance: none; appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 6l5 5 5-5' fill='none' stroke='%2305254B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 14px;
}
.field.is-set select { border-color: var(--navy); box-shadow: inset 0 0 0 1px var(--navy); }
.clear-btn { min-height: 48px; padding: 0 4px; border: 0; background: none; font-weight: 600; font-size: 15px; color: var(--navy); text-decoration: underline; text-decoration-color: var(--gold); text-decoration-thickness: 2px; text-underline-offset: 6px; cursor: pointer; justify-self: start; }
.clear-btn:disabled { color: var(--muted); text-decoration-color: transparent; cursor: default; }
.filters-toggle { display: none; }
.refs-status { margin: 0; padding: 16px 0 10px; font-size: 15px; color: var(--muted); }
.refs-status strong { color: var(--ink); }
.ref-cols { display: grid; grid-template-columns: minmax(0, 2.4fr) minmax(0, 1.15fr) minmax(0, 1.15fr) 64px minmax(0, 1.25fr); gap: 0 24px; padding: 10px 0; border-bottom: 2px solid var(--navy); font-size: 12.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--gold-text); }
.reflist { margin: 0; padding: 0; list-style: none; }
.ref { display: grid; grid-template-columns: minmax(0, 2.4fr) minmax(0, 1.15fr) minmax(0, 1.15fr) 64px minmax(0, 1.25fr); gap: 4px 24px; padding: 17px 0; border-bottom: 1px solid var(--hair); align-items: baseline; }
.ref__name { font-family: var(--f-body); font-size: 17px; font-weight: 600; line-height: 1.35; letter-spacing: 0; }
.ref__scope { margin: 4px 0 0; font-size: 15px; line-height: 1.5; color: var(--text); }
.ref__desc { margin: 4px 0 0; font-size: 15px; color: var(--muted); }
.ref__co, .ref__loc, .ref__year { margin: 0; font-size: 15px; line-height: 1.5; color: var(--text); }
.ref__co { font-weight: 600; color: var(--ink); }
.ref__year { font-variant-numeric: tabular-nums; }
.ref__tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; }
.tag { display: inline-block; padding: 2px 8px; border: 1px solid var(--hair-strong); border-radius: 2px; font-size: 13px; line-height: 1.45; color: var(--text); background: var(--white); }
.tag--live { border-color: var(--gold); background: #FBF4E3; color: var(--gold-text); font-weight: 600; }
.tag--none { border-style: dashed; color: var(--muted); background: transparent; }
.empty { padding: 48px 0; }
.empty h2 { font-size: 26px; margin-bottom: 10px; }
.pager { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding: 24px 0 8px; }
.pager__pos { font-weight: 600; color: var(--ink); }
.pager .btn { min-height: 48px; padding: 10px 18px; }
.pager .btn:disabled { opacity: .4; cursor: default; }
.refs-notes { margin: 28px 0 var(--sec); padding-top: 20px; border-top: 1px solid var(--hair); font-size: 14.5px; color: var(--muted); }
.refs-notes p { max-width: 90ch; }

/* ---------------------------------------------------------------- Kardeş Şirketler */
.cos { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.co { display: flex; flex-direction: column; padding: clamp(32px, 4vw, 56px); background: var(--white); border-top: 3px solid var(--navy); }
.co + .co { border-top-color: var(--gold); border-left: 1px solid var(--hair); }
.co h2 { font-size: clamp(28px, 2.6vw, 40px); }
.co__legal { margin: 10px 0 22px; font-size: 15px; color: var(--muted); }
.co__role { margin: 0 0 18px; font-family: var(--f-head); font-size: 21px; font-weight: 600; line-height: 1.3; color: var(--navy); }
.co__role span { display: block; margin-bottom: 4px; font-family: var(--f-body); font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--gold-text); }
.co__links { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; margin-top: auto; padding-top: 18px; }
.sep-note { margin: 24px 0 48px; font-size: 15px; color: var(--muted); max-width: 80ch; }

/* ---------------------------------------------------------------- İletişim */
.contact { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px clamp(40px, 6vw, 112px); align-items: start; padding-top: clamp(56px, 8vw, 112px); padding-bottom: var(--sec); }
.contact__intro h1 { margin-bottom: 4px; }
.contact__intro .muted { margin-top: 18px; max-width: 46ch; }
.contact__list { margin: 0; padding: clamp(20px, 3vw, 40px) clamp(24px, 3.5vw, 48px); background: var(--white); border-top: 3px solid var(--navy); }
.contact__list > div { display: grid; grid-template-columns: 7em minmax(0, 1fr); gap: 4px 24px; padding: 20px 0; border-bottom: 1px solid var(--hair); align-items: baseline; }
.contact__list > div:last-child { border-bottom: 0; }
.contact__list dt { font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--gold-text); }
.contact__list dd { margin: 0; }
.contact__list address { margin-bottom: 18px; font-size: 18px; line-height: 1.55; color: var(--ink); }

/* ---------------------------------------------------------------- Bulunamadı */
.nf { padding-top: clamp(64px, 10vw, 140px); padding-bottom: var(--sec); }
.nf .btns { margin-top: 28px; }

/* ---------------------------------------------------------------- Alt bant */
.ftr { background: var(--stone); padding: clamp(48px, 6vw, 72px) 0 28px; font-size: 15px; }
.ftr__grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 4.5fr) minmax(0, 3.5fr); gap: 36px clamp(28px, 4vw, 64px); }
.ftr__logo { display: block; width: 148px; margin-bottom: 14px; }
.ftr__brand p { color: var(--muted); }
.ftr h2 { font-family: var(--f-body); font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--gold-text); margin-bottom: 8px; }
.ftr ul { display: grid; grid-template-columns: repeat(2, max-content); gap: 0 clamp(24px, 3vw, 48px); margin: 0; padding: 0; list-style: none; }
.ftr li a { white-space: nowrap; }
.ftr li a, .ftr__contact a { display: flex; align-items: center; min-height: 44px; color: var(--navy); font-weight: 600; text-decoration: none; }
.ftr__contact a { width: max-content; max-width: 100%; white-space: nowrap; }
.ftr li a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--gold); text-decoration-thickness: 2px; text-underline-offset: 5px; }
@media (hover: hover) { .ftr li a:hover, .ftr__contact a:hover { text-decoration: underline; text-decoration-color: var(--gold); text-decoration-thickness: 2px; text-underline-offset: 5px; } }
.ftr__contact address { margin-top: 6px; color: var(--text); }
.ftr__base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--hair-strong); font-size: 13.5px; color: var(--muted); }
.ftr__base p { margin: 0; }

/* Alt bant ve kurucu sütunları: sıkışmadan önce alt alta geçer */
@media (max-width: 1199px) { .ftr__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .ftr__brand { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 28px; } .ftr__brand p { margin: 0; } .ftr__logo { margin: 0; } }
@media (max-width: 599px) { .ftr__grid { grid-template-columns: 1fr; } }
@media (max-width: 1199px) { .corp { grid-template-columns: 1fr; gap: 36px; } .corp__text { max-width: 68ch; } }
@media (min-width: 600px) and (max-width: 1199px) { .facts dl { display: grid; grid-template-columns: 1fr 1fr; column-gap: 32px; } }
@media (max-width: 1279px) { .founder { grid-template-columns: 1fr; gap: 40px; } .founder__aside { position: static; max-width: 52ch; } }

@media (max-width: 1099px) { .refs-filters { grid-template-columns: repeat(3, minmax(0, 1fr)) auto; } }

/* Kaydırınca belirme: içerik varsayılan olarak görünür; yalnız ekranın altında kalan bloklar kısa bir geçişle gelir */
.rv-wait { opacity: 0; transform: translateY(14px); }
.rv-go { transition: opacity .45s var(--ease), transform .45s var(--ease); }

/* ---------------------------------------------------------------- Tablet */
@media (max-width: 1023px) {
  .flow__grid, .partners__grid, .invite__grid, .corp, .founder, .disc__grid, .contact, .principles__head, .types__head { grid-template-columns: 1fr; }
  .flow__head, .founder__aside { position: static; }
  .flow__note { grid-column: 1; }
  .partners__grid { grid-template-columns: 1fr 1fr; }
  .partners__head { grid-column: 1 / -1; }
  .principles__grid { grid-template-columns: 1fr 1fr; }
  .principles__grid li, .principles__grid li:nth-child(4) { grid-column: auto; }
  .disc--photo { grid-template-columns: 1fr; }
  .disc__media { min-height: 0; aspect-ratio: 16 / 9; }
  .disc__panel { max-width: none; }
  .ref-cols { display: none; }
  .ref { grid-template-columns: 1fr; gap: 6px; padding: 16px 0; }
  .ref__meta-row { display: flex; flex-wrap: wrap; gap: 2px 14px; }
  .founder__aside { max-width: 52ch; }
}
@media (min-width: 1024px) { .ref__meta-row { display: contents; } }

/* ---------------------------------------------------------------- Telefon */
@media (max-width: 767px) {
  :root { --sec: 64px; --t-h1: clamp(32px, 8.6vw, 40px); --t-h2: clamp(27px, 7vw, 32px); --t-lead: 18px; }
  body { font-size: 16.5px; }
  .hero { min-height: 0; display: block; }
  .hero__media { position: relative; aspect-ratio: 4 / 3; }
  .hero__media img { object-position: 30% 70%; }
  .hero__media::after { background: linear-gradient(0deg, rgba(3, 26, 54, .55) 0%, rgba(3, 26, 54, 0) 50%); }
  .hero__in { padding-top: 30px; padding-bottom: 44px; }
  .hero__title { font-size: clamp(34px, 9.4vw, 42px); max-width: none; }
  .hero__lead { margin: 16px 0 26px; }
  .hero .btns .btn { flex: 1 1 100%; }
  .phead { padding: 40px 0 28px; }
  .stage { padding: 0 0 34px 34px; }
  .stage h3 { font-size: 23px; }
  .flow__note { margin-left: 0; }
  .partners__grid { grid-template-columns: 1fr; }
  .partner__n strong { font-size: 52px; }
  .principles__grid { grid-template-columns: 1fr; gap: 30px; }
  .corp__text, .disc__body, .disc__panel, .founder__text p { font-size: 17px; }
  .founder-head { padding: 40px 0 32px; }
  .founder-head h1 { font-size: clamp(34px, 9.4vw, 42px); }
  .founder { padding-top: 32px; gap: 36px; }
  .founder__text p:first-child { font-size: 19px; }
  .founder__statement { font-size: 21px; }
  .founder__aside { padding-left: 18px; }
  .disc__media { aspect-ratio: 4 / 3; }
  .disc__panel { padding: 36px var(--gutter) 48px; }
  .types__grid { grid-template-columns: 1fr; background: none; border: 0; border-top: 1px solid var(--hair-strong); }
  .types__grid li { padding: 24px 0; }
  .types__grid li:nth-child(odd) { border-right: 0; }
  .types__grid li + li { border-top: 1px solid var(--hair); }
  .wrap.cos { grid-template-columns: 1fr; gap: 16px; padding-left: 0; padding-right: 0; }
  .co { padding: 30px var(--gutter) 32px; }
  .co + .co { border-left: 0; }
  .co__links .btn { flex: 1 1 100%; padding: 12px 16px; }
  .contact { padding-top: 40px; gap: 28px; }
  .contact__list { padding: 8px 20px; }
  .contact__list > div { grid-template-columns: 1fr; gap: 6px; }
  .bigline { font-size: clamp(22px, 6.6vw, 30px); }

  /* Referanslar: girişi kısalt, araçları sıkılaştır */
  .refs-head { padding: 24px 0 14px; }
  .refs-head h1 { font-size: 34px; }
  .refs-head p { font-size: 15.5px; line-height: 1.55; margin-top: 8px; }
  .refs-tools { grid-template-columns: 1fr; gap: 12px; padding: 14px 0; }
  .search label { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .seg__label { display: none; }
  .seg { width: 100%; }
  .seg button { flex: 1 1 0; justify-content: center; padding: 0 8px; }
  .filters-toggle {
    display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 48px; padding: 0 14px;
    border: 1px solid var(--hair-strong); border-radius: 2px; background: var(--white); font-weight: 600; color: var(--navy); cursor: pointer;
  }
  .filters-toggle .i { transition: transform .2s var(--ease); }
  .filters-toggle[aria-expanded="true"] .i { transform: rotate(180deg); }
  .js .refs-filters:not(.is-open) { display: none; }
  .refs-filters { grid-template-columns: 1fr 1fr; padding: 12px 0 14px; }
  .refs-filters .field--sort, .refs-filters .clear-btn { grid-column: 1 / -1; }
  .refs-status { padding: 12px 0 4px; font-size: 14.5px; }
  .ref__name { font-size: 16.5px; }
  .pager .btn { flex: 1 1 0; }
  .pager__pos { order: -1; flex-basis: 100%; text-align: center; }
}
@media (max-width: 379px) {
  :root { --gutter: 18px; }
  .seg button { font-size: 14px; padding: 0 4px; }
  .seg button span { display: none; }
  .hdr__logo { width: 112px; }
  .bigline { font-size: 21px; }
  .founder__statement { font-size: 19px; }
  .founder__aside { padding-left: 14px; }
  .co__links .btn { font-size: 15px; gap: 8px; padding: 12px 10px; }
}
/* Kısa yatay ekranlar */
@media (max-height: 520px) and (max-width: 767px) { .hero__media { aspect-ratio: 21 / 9; } }
@media (max-height: 520px) and (max-width: 1099px) {
  :root { --hdr: 56px; }
  .nav a { min-height: 48px; font-size: 20px; }
}
@media (max-height: 520px) and (min-width: 768px) and (max-width: 1099px) {
  .hero { min-height: 0; }
  .hero__in { padding-top: 80px; padding-bottom: 36px; }
}

/* Hareket azaltma */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .rv-wait { opacity: 1 !important; transform: none !important; }
}
@media print {
  .hdr, .ftr, .skip, .refs-tools, .refs-filters, .pager, .filters-toggle { display: none !important; }
  .page[hidden] { display: block !important; }
}