/* ==========================================================================
   Prekast Yapı — prekastyapi.com.tr
   Tasarım ve kodlama: ASD Creative (www.asd.web.tr)
   ========================================================================== */

/* ---------- Yazı tipleri (yerel barındırma) ---------- */
@font-face {
  font-family: "Marcellus";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/marcellus-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+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: "Marcellus";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/marcellus-latin-ext-400-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  src: url("../fonts/archivo-latin-wdth-normal.woff2") format("woff2-variations"), url("../fonts/archivo-latin-wdth-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  src: url("../fonts/archivo-latin-ext-wdth-normal.woff2") format("woff2-variations"), url("../fonts/archivo-latin-ext-wdth-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- Tasarım değişkenleri ---------- */
:root {
  --graphite: #1E1F21;
  --graphite-2: #2A2C2F;
  --mold: #5B5D60;
  --stone: #A8A2A0;
  --concrete: #E7E8E6;
  --concrete-2: #F3F3F2;
  --white: #FFFFFF;
  /* Vurgu: lacivert (inşaat ve gayrimenkul için ağırbaşlı, kurumsal ton) */
  --navy: #1C3553;
  --navy-deep: #112237;
  --navy-mid: #2A4C72;
  --steel: #5F7D9C;
  --ice: #A9C1D9;
  --mist: #F2F5F8;
  --mist-2: #E3EAF1;
  --mark: var(--navy-mid);
  --line: rgba(30, 31, 33, 0.14);
  --line-strong: rgba(30, 31, 33, 0.32);
  --line-on-dark: rgba(255, 255, 255, 0.16);

  --font-display: "Marcellus", "Times New Roman", serif;
  --font-text: "Archivo", "Helvetica Neue", Arial, sans-serif;

  --wrap: 1320px;
  --gutter: clamp(16px, 4vw, 48px);
  --section: clamp(64px, 9vw, 128px);
  --header-h: 84px;
  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
}

/* ---------- Temel ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--white);
  color: var(--graphite);
  font-family: var(--font-text);
  font-size: 17px;
  line-height: 1.65;
  font-stretch: 100%;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.is-locked { overflow: hidden; }
img, video, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { text-decoration-color: var(--mark); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
:focus-visible { outline: 2px solid var(--mark); outline-offset: 3px; }
::selection { background: var(--mark); color: var(--graphite); }

.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  background: var(--graphite); color: var(--white); padding: 10px 16px; text-decoration: none;
}
.skip-link:focus { top: 12px; }

/* ---------- Tipografi ---------- */
h1, h2, h3, h4 { margin: 0; font-weight: 400; line-height: 1.12; }
.display, h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.005em; }
h1 { font-size: clamp(2.5rem, 5.6vw, 5rem); }
h2 { font-size: clamp(2rem, 3.6vw, 3.25rem); }
h3 { font-size: clamp(1.35rem, 1.9vw, 1.65rem); line-height: 1.2; }
h4 { font-family: var(--font-text); font-size: 1rem; font-weight: 600; letter-spacing: 0.01em; }
.lead { font-size: clamp(1.1rem, 1.5vw, 1.3rem); line-height: 1.6; color: var(--mold); max-width: 60ch; }
.muted { color: var(--mold); }
.num { font-stretch: 75%; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: 0.01em; }
.kicker { display: inline-block; font-size: 0.95rem; color: var(--mold); margin-bottom: 14px; }
.kicker::before { content: ""; display: inline-block; width: 28px; height: 1px; background: var(--mark); vertical-align: middle; margin-right: 12px; }
.prose { max-width: 68ch; }
.prose p { margin-bottom: 1.15em; }
.prose h3 { margin: 1.6em 0 0.6em; }
.prose strong { font-weight: 600; }

/* ---------- Yerleşim ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section); }
.section--tight { padding-block: calc(var(--section) * 0.6); }
.section--concrete { background: var(--concrete-2); }
.section--stone { background: var(--concrete); }
.section--dark { background: var(--graphite); color: var(--concrete); }
.section--dark .muted, .section--dark .lead { color: var(--stone); }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px 64px; align-items: end; margin-bottom: clamp(36px, 5vw, 64px); }
.section-head p { margin: 0; color: var(--mold); max-width: 52ch; }
.section--dark .section-head p { color: var(--stone); }
.split { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 5vw, 80px); align-items: start; }
.split--rev { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.split--even { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.stack > * + * { margin-top: 24px; }

/* ---------- Düğmeler ve bağlantılar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 24px; border: 1px solid var(--graphite);
  background: var(--graphite); color: var(--white); text-decoration: none;
  font-size: 0.98rem; font-weight: 500; letter-spacing: 0.01em; line-height: 1.2;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:hover { background: var(--graphite-2); text-decoration: none; }
.btn--outline { background: transparent; color: var(--graphite); }
.btn--outline:hover { background: var(--graphite); color: var(--white); }
.btn--light { background: var(--white); color: var(--graphite); border-color: var(--white); }
.btn--light:hover { background: var(--concrete); border-color: var(--concrete); }
.btn--ghost-light { background: transparent; color: var(--white); border-color: var(--line-on-dark); }
.btn--ghost-light:hover { border-color: var(--white); background: transparent; }
.btn--accent { background: var(--white); border-color: var(--white); color: var(--navy); }
.btn--accent:hover { background: var(--ice); border-color: var(--ice); color: var(--navy-deep); }
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.link-line {
  display: inline-block; color: var(--graphite); text-decoration: none; font-weight: 500;
  padding-bottom: 3px; border-bottom: 1px solid var(--mark);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.link-line:hover { border-bottom-color: var(--graphite); }
.section--dark .link-line, .on-dark .link-line { color: var(--white); }
.section--dark .link-line:hover, .on-dark .link-line:hover { border-bottom-color: var(--white); }

/* ---------- Üst bilgi ---------- */
.site-header {
  position: sticky; top: 0; z-index: 90;
  background: var(--white); border-bottom: 1px solid var(--line);
  transition: box-shadow 0.25s var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(30, 31, 33, 0.08); }
.site-header .wrap { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--graphite); flex: none; }
.brand img { width: auto; height: 50px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name { font-family: var(--font-display); font-size: 1.45rem; letter-spacing: 0.02em; }
.brand__tag { font-size: 0.72rem; color: var(--mold); letter-spacing: 0.04em; margin-top: 4px; }

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav__item { position: relative; }
.nav__link {
  display: inline-flex; align-items: center; gap: 6px; padding: 10px 14px;
  background: none; border: 0; text-decoration: none; font-size: 0.98rem; color: var(--graphite);
  position: relative;
}
.nav__link::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 1px;
  background: var(--mark); transform: scaleX(0); transform-origin: left; transition: transform 0.25s var(--ease);
}
.nav__link:hover::after, .nav__link[aria-current="page"]::after, .nav__item.is-current > .nav__link::after { transform: scaleX(1); }
.nav__link svg { width: 12px; height: 12px; transition: transform 0.2s var(--ease); }
.nav__sub {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 260px; list-style: none;
  background: var(--white); border: 1px solid var(--line); border-top: 2px solid var(--graphite);
  padding: 10px 0; box-shadow: 0 18px 40px rgba(30, 31, 33, 0.12);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
}
.nav__sub::before { content: ""; position: absolute; left: 0; right: 0; top: -10px; height: 10px; }
.nav__sub a { display: block; padding: 10px 20px; text-decoration: none; font-size: 0.96rem; }
.nav__sub a:hover, .nav__sub a[aria-current="page"] { background: var(--concrete-2); }
.nav__sub a small { display: block; color: var(--mold); font-size: 0.82rem; margin-top: 2px; }
.nav__item:hover > .nav__sub, .nav__item:focus-within > .nav__sub, .nav__item.is-open > .nav__sub { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__item:hover > .nav__link svg, .nav__item.is-open > .nav__link svg { transform: rotate(180deg); }

.header-actions { display: flex; align-items: center; gap: 18px; flex: none; }
.header-phone { display: inline-flex; flex-direction: column; text-decoration: none; line-height: 1.15; font-size: 0.8rem; color: var(--mold); }
.header-phone strong { color: var(--graphite); font-size: 1rem; font-weight: 600; font-stretch: 85%; }
.header-actions .btn { min-height: 44px; padding: 10px 18px; }

.menu-toggle {
  display: none; width: 48px; height: 48px; margin-left: auto; border: 1px solid var(--line-strong);
  background: var(--white); align-items: center; justify-content: center;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
  display: block; width: 20px; height: 1.5px; background: var(--graphite); position: relative; content: "";
}
.menu-toggle span::before { position: absolute; top: -6px; }
.menu-toggle span::after { position: absolute; top: 6px; }

/* ---------- Mobil çekmece ---------- */
.drawer {
  position: fixed; inset: 0; z-index: 120; background: var(--graphite); color: var(--white);
  display: flex; flex-direction: column; transform: translateX(100%); visibility: hidden;
  transition: transform 0.35s var(--ease), visibility 0.35s;
}
.drawer.is-open { transform: translateX(0); visibility: visible; }
.drawer__top { display: flex; align-items: center; justify-content: space-between; padding: 16px var(--gutter); border-bottom: 1px solid var(--line-on-dark); min-height: 76px; }
.drawer__top .brand { color: var(--white); }
.drawer__top .brand img { height: 42px; }
.drawer__close { width: 48px; height: 48px; background: none; border: 1px solid var(--line-on-dark); color: var(--white); font-size: 28px; line-height: 1; }
.drawer__nav { flex: 1; overflow-y: auto; padding: 12px var(--gutter) 24px; }
.drawer__nav ul { list-style: none; }
.drawer__nav > ul > li { border-bottom: 1px solid var(--line-on-dark); }
.drawer__nav a, .drawer__nav button.drawer__acc {
  display: flex; align-items: center; justify-content: space-between; width: 100%;
  padding: 16px 0; font-family: var(--font-display); font-size: 1.5rem; color: var(--white);
  text-decoration: none; background: none; border: 0; text-align: left;
}
.drawer__acc svg { width: 16px; height: 16px; transition: transform 0.2s var(--ease); }
.drawer__acc[aria-expanded="true"] svg { transform: rotate(180deg); }
.drawer__sub { display: none; padding: 0 0 12px 16px; border-left: 1px solid var(--mark); margin-bottom: 12px; }
.drawer__sub.is-open { display: block; }
.drawer__sub a { font-family: var(--font-text); font-size: 1.05rem; padding: 10px 0; color: var(--concrete); }
.drawer__foot { padding: 20px var(--gutter) 28px; border-top: 1px solid var(--line-on-dark); display: grid; gap: 12px; }
.drawer__foot a.drawer__tel { color: var(--white); text-decoration: none; font-size: 1.1rem; }

/* ---------- Anasayfa: Kolonad hero ---------- */
.hero { position: relative; background: var(--concrete); overflow: hidden; }
.hero__grid {
  display: grid; grid-template-columns: minmax(0, 7.2fr) minmax(0, 4.8fr);
  min-height: min(calc(100svh - var(--header-h)), 860px); min-height: max(600px, min(calc(100vh - var(--header-h)), 860px));
}
.hero__media { position: relative; overflow: hidden; background: var(--concrete); }
.hero__media img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 35% 50%;
  clip-path: polygon(0% 100%, 0% 100%, 31% 100%, 31% 100%, 34.5% 100%, 34.5% 100%, 65.5% 100%, 65.5% 100%, 69% 100%, 69% 100%, 100% 100%, 100% 100%);
}
.hero.is-ready .hero__media img { animation: colonnade 2.4s var(--ease) 0.15s forwards; }
@keyframes colonnade {
  0%   { clip-path: polygon(0% 100%, 0% 100%, 31% 100%, 31% 100%, 34.5% 100%, 34.5% 100%, 65.5% 100%, 65.5% 100%, 69% 100%, 69% 100%, 100% 100%, 100% 100%); }
  30%  { clip-path: polygon(0% 100%, 0% 0%, 31% 0%, 31% 100%, 34.5% 100%, 34.5% 38%, 65.5% 38%, 65.5% 100%, 69% 100%, 69% 76%, 100% 76%, 100% 100%); }
  58%  { clip-path: polygon(0% 100%, 0% 0%, 31% 0%, 31% 100%, 34.5% 100%, 34.5% 0%, 65.5% 0%, 65.5% 100%, 69% 100%, 69% 0%, 100% 0%, 100% 100%); }
  100% { clip-path: polygon(0% 100%, 0% 0%, 33.34% 0%, 33.34% 100%, 33.33% 100%, 33.33% 0%, 66.67% 0%, 66.67% 100%, 66.66% 100%, 66.66% 0%, 100% 0%, 100% 100%); }
}
.hero__flutes { position: absolute; inset: 0; pointer-events: none; }
.hero__flutes span { position: absolute; top: 0; bottom: 0; width: 1px; background: rgba(255, 255, 255, 0.55); opacity: 0; }
.hero__flutes span:nth-child(1) { left: 33.33%; }
.hero__flutes span:nth-child(2) { left: 66.66%; }
.hero.is-ready .hero__flutes span { animation: flute 1s var(--ease) 2.1s forwards; }
@keyframes flute { to { opacity: 1; } }
.hero__caption {
  position: absolute; left: 0; bottom: 0; z-index: 2; display: flex; align-items: center; gap: 14px;
  background: var(--white); padding: 14px 22px 14px 20px; font-size: 0.92rem; text-decoration: none; color: var(--graphite);
  opacity: 0; transform: translateY(8px);
}
.hero.is-ready .hero__caption { animation: rise 0.8s var(--ease) 2.2s forwards; }
.hero__caption strong { font-family: var(--font-display); font-weight: 400; font-size: 1.1rem; }
.hero__caption em { font-style: normal; color: var(--mold); }
.hero__caption i { width: 1px; height: 22px; background: var(--line-strong); }
.hero__text {
  display: flex; flex-direction: column; justify-content: flex-end; gap: 28px;
  padding: clamp(32px, 4vw, 64px) var(--gutter) clamp(40px, 5vw, 72px) clamp(28px, 4vw, 64px);
  background: var(--white);
}
.hero__text h1 { font-size: clamp(2.6rem, 4.6vw, 4.6rem); }
.hero__text .lead { margin: 0; color: var(--mold); }
.hero__facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.hero__facts div { padding: 16px 12px 0 0; }
.hero__facts dt { font-size: 0.82rem; color: var(--mold); }
.hero__facts dd { margin: 4px 0 0; font-size: 1.4rem; font-stretch: 80%; font-weight: 600; line-height: 1.1; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }

/* ---------- Anasayfa: açılış metni ve zaman çizelgesi ---------- */
.statement { font-family: var(--font-display); font-size: clamp(1.6rem, 2.9vw, 2.6rem); line-height: 1.28; max-width: 30ch; margin: 0; }
.timeline { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: clamp(40px, 6vw, 72px); border-top: 1px solid var(--line-strong); }
.timeline li { position: relative; padding: 28px 28px 0 0; }
.timeline li::before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; background: var(--mark); }
.timeline .num { display: block; font-size: 2.6rem; line-height: 1; margin-bottom: 12px; }
.timeline h3 { font-size: 1.25rem; margin-bottom: 8px; }
.timeline p { margin: 0; color: var(--mold); font-size: 0.98rem; max-width: 34ch; }

/* ---------- Hizmet sütunları ---------- */
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2.4vw, 32px); }
.pillar {
  display: flex; flex-direction: column; background: var(--white); text-decoration: none; color: inherit;
  border-top: 6px solid var(--graphite); border-bottom: 6px solid var(--graphite);
}
.pillar__img { aspect-ratio: 4 / 5; overflow: hidden; background: var(--concrete); }
.pillar__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.pillar:hover .pillar__img img { transform: scale(1.03); }
.pillar__body { padding: 26px 24px 28px; display: flex; flex-direction: column; gap: 12px; flex: 1; border-inline: 1px solid var(--line); }
.pillar__body p { margin: 0; color: var(--mold); font-size: 0.98rem; }
.pillar__body .link-line { margin-top: auto; align-self: flex-start; }
.pillar__no { font-size: 0.85rem; color: var(--mold); }

/* ---------- Öne çıkan proje ---------- */
.feature { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: stretch; background: var(--white); }
.feature__media { position: relative; min-height: 420px; overflow: hidden; background: var(--concrete); }
.feature__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.feature__body { padding: clamp(28px, 4vw, 56px); display: flex; flex-direction: column; gap: 22px; border: 1px solid var(--line); border-left: 0; }
.status { display: inline-flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--mold); }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--mark); box-shadow: 0 0 0 4px rgba(42, 76, 114, 0.18); }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin: 0; border-top: 1px solid var(--line); }
.facts > div { padding: 14px 16px 14px 0; border-bottom: 1px solid var(--line); }
.facts dt { font-size: 0.82rem; color: var(--mold); }
.facts dd { margin: 2px 0 0; font-weight: 600; font-stretch: 85%; font-size: 1.08rem; }
.section--dark .facts, .section--dark .facts > div { border-color: var(--line-on-dark); }
.section--dark .facts dt { color: var(--stone); }

/* ---------- Madde listeleri ---------- */
.ticks { list-style: none; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 22px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 8px; height: 8px; background: var(--mark); }
.ticks--cols { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 32px; }

/* ---------- Proje kartları ve filtre ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; min-height: 42px; padding: 8px 16px;
  border: 1px solid var(--line-strong); background: transparent; font-size: 0.95rem; color: var(--graphite);
}
.chip span { font-size: 0.82rem; color: var(--mold); font-stretch: 80%; }
.chip[aria-pressed="true"] { background: var(--graphite); border-color: var(--graphite); color: var(--white); }
.chip[aria-pressed="true"] span { color: var(--stone); }
.pgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); list-style: none; }
.pgrid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.pcard { position: relative; display: flex; flex-direction: column; }
.pcard[hidden] { display: none; }
.pcard__btn { all: unset; cursor: pointer; display: flex; flex-direction: column; gap: 14px; }
.pcard__btn:focus-visible { outline: 2px solid var(--mark); outline-offset: 4px; }
.pcard__img { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--concrete); }
.pcard__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.pcard__btn:hover .pcard__img img, a.pcard__btn:hover .pcard__img img { transform: scale(1.03); }
.pcard__count { position: absolute; right: 10px; bottom: 10px; background: rgba(30, 31, 33, 0.82); color: var(--white); font-size: 0.8rem; padding: 4px 10px; font-stretch: 85%; }
.pcard__meta { display: flex; flex-direction: column; gap: 4px; }
.pcard__cat { font-size: 0.85rem; color: var(--mold); }
.pcard__name { font-family: var(--font-display); font-size: 1.28rem; line-height: 1.25; }
.pcard__loc { font-size: 0.9rem; color: var(--mold); }

/* Devam eden proje kartı (sütun biçimli) */
.ongoing { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 0; border-top: 6px solid var(--graphite); border-bottom: 6px solid var(--graphite); background: var(--white); }
.ongoing__body { padding: clamp(28px, 4vw, 56px); display: flex; flex-direction: column; gap: 20px; border-left: 1px solid var(--line); }
.ongoing__media { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; padding: 6px; background: var(--concrete); }
.ongoing__media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 2 / 3.4; }

/* ---------- Kurum listesi ---------- */
.institutions { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line-on-dark); }
.institutions li { display: flex; gap: 18px; align-items: baseline; padding: 20px 24px 20px 0; border-bottom: 1px solid var(--line-on-dark); font-family: var(--font-display); font-size: clamp(1.15rem, 1.6vw, 1.45rem); line-height: 1.3; }
.institutions li span { font-family: var(--font-text); font-size: 0.85rem; color: var(--stone); flex: none; min-width: 96px; }

/* ---------- Video ---------- */
.video-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: clamp(16px, 2vw, 28px); align-items: start; }
.video-tile { margin: 0; }
.video-tile__frame { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--graphite); }
.video-tile--portrait .video-tile__frame { aspect-ratio: 4 / 5; }
.video-tile--wide .video-tile__frame { aspect-ratio: 16 / 9; }
.video-tile__frame video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; background: #000; }
.video-tile--wide .video-tile__frame video { object-fit: contain; }
.video-tile__play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; border: 0; padding: 0;
  background: transparent; color: var(--white);
}
.video-tile__play img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.video-tile__play span {
  position: relative; display: inline-flex; align-items: center; gap: 12px; background: rgba(30, 31, 33, 0.86);
  padding: 14px 22px; font-size: 0.98rem;
}
.video-tile__play:hover span { background: var(--graphite); }
.video-tile__play span::before { content: ""; width: 0; height: 0; border-left: 12px solid var(--mark); border-top: 8px solid transparent; border-bottom: 8px solid transparent; }
.video-tile figcaption, .media-caption { padding: 12px 0 0; font-size: 0.92rem; color: var(--mold); background: transparent; }
.section--dark .media-caption { color: var(--stone); }

/* ---------- İç sayfa başlığı ---------- */
.page-head { padding-top: clamp(40px, 6vw, 88px); }
.crumbs { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; font-size: 0.9rem; color: var(--mold); margin-bottom: 22px; }
.crumbs li + li::before { content: "/"; margin-right: 8px; color: var(--stone); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { text-decoration: underline; text-decoration-color: var(--mark); }
.page-head__grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 24px 64px; align-items: end; }
.page-head__grid .lead { margin: 0; }
.page-head__media { position: relative; margin-top: clamp(36px, 5vw, 64px); aspect-ratio: 21 / 8; overflow: hidden; background: var(--concrete); }
.page-head__media img { width: 100%; height: 100%; object-fit: cover; }
.page-head__media::before, .page-head__media::after { content: ""; position: absolute; top: 0; bottom: 0; width: 1px; background: rgba(255, 255, 255, 0.5); z-index: 1; }
.page-head__media::before { left: 33.33%; }
.page-head__media::after { left: 66.66%; }
.page-head--plain { padding-bottom: clamp(24px, 3vw, 40px); border-bottom: 1px solid var(--line); }
/* Üçlü sütun görsel (logodaki üç kolona gönderme) */
.triptych { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin-top: clamp(36px, 5vw, 64px); }
.triptych > div { height: clamp(220px, 32vw, 440px); overflow: hidden; background: var(--concrete); border-top: 6px solid var(--graphite); }
.triptych img { width: 100%; height: 100%; object-fit: cover; }
.band img { width: 100%; height: clamp(160px, 22vw, 340px); object-fit: cover; }

/* Özellik sütunları */
.feature-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(28px, 4vw, 56px); }
.feature-cols h3 { padding-top: 18px; border-top: 2px solid var(--graphite); margin-bottom: 20px; }

/* Ürün listesi */
.product-list > div { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 8px 32px; padding: 20px 0; }
.product-list dt { font-family: var(--font-display); font-size: 1.25rem; line-height: 1.3; color: var(--graphite); }
.product-list dd { margin: 0; font-weight: 400; font-stretch: 100%; font-size: 1rem; color: var(--mold); }
.pcard.is-target .pcard__img { outline: 3px solid var(--mark); outline-offset: 4px; }

/* ---------- Kartlar (ürün, değer) ---------- */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); list-style: none; }
.card { background: var(--white); border: 1px solid var(--line); display: flex; flex-direction: column; }
.card__img { aspect-ratio: 3 / 2; overflow: hidden; background: var(--concrete); }
.card__img img { width: 100%; height: 100%; object-fit: cover; }
.card__body { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.card__body p { margin: 0; color: var(--mold); font-size: 0.98rem; }
.values { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); }
.values li { padding: 24px 20px 0 0; }
.values h3 { font-size: 1.2rem; margin-bottom: 10px; }
.values p { margin: 0; color: var(--mold); font-size: 0.95rem; }

/* Süreç adımları (gerçek sıra olduğu için numaralı) */
.steps { list-style: none; counter-reset: step; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line-strong); }
.steps li { counter-increment: step; padding: 24px 20px 0 0; position: relative; }
.steps li::before { content: counter(step, decimal-leading-zero); display: block; font-stretch: 75%; font-weight: 600; font-size: 1.9rem; line-height: 1; color: var(--graphite); margin-bottom: 14px; }
.steps li::after { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; background: var(--mark); }
.steps h3 { font-size: 1.2rem; margin-bottom: 8px; }
.steps p { margin: 0; color: var(--mold); font-size: 0.95rem; }
.section--dark .steps { border-color: var(--line-on-dark); }
.section--dark .steps li::before { color: var(--white); }
.section--dark .steps p { color: var(--stone); }

/* ---------- Galeri ve sekmeler ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.tab { min-height: 44px; padding: 8px 18px; border: 1px solid var(--line-strong); background: transparent; font-size: 0.98rem; }
.tab[aria-selected="true"] { background: var(--graphite); color: var(--white); border-color: var(--graphite); }
.tabpanel[hidden] { display: none; }
.gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; list-style: none; }
.gallery--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gallery li:first-child.is-wide { grid-column: span 2; grid-row: span 2; }
.gallery button { all: unset; cursor: zoom-in; display: block; width: 100%; height: 100%; aspect-ratio: 4 / 3; overflow: hidden; background: var(--concrete); }
.gallery li.is-wide button { aspect-ratio: auto; }
.gallery button:focus-visible { outline: 2px solid var(--mark); outline-offset: 3px; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.gallery button:hover img { transform: scale(1.03); }

/* Işık kutusu */
.lightbox { position: fixed; inset: 0; width: 100%; height: 100%; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; background: rgba(20, 21, 22, 0.96); color: var(--white); }
.lightbox::backdrop { background: rgba(20, 21, 22, 0.96); }
.lightbox__inner { position: absolute; inset: 0; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; }
.lightbox__bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px var(--gutter); }
.lightbox__title { font-family: var(--font-display); font-size: 1.2rem; }
.lightbox__count { font-size: 0.9rem; color: var(--stone); margin-left: 12px; font-family: var(--font-text); }
.lightbox__stage { position: relative; display: flex; align-items: center; justify-content: center; padding: 0 72px; min-height: 0; }
.lightbox__stage img { max-width: 100%; max-height: 100%; object-fit: contain; }
.lightbox__btn { width: 52px; height: 52px; border: 1px solid var(--line-on-dark); background: rgba(30, 31, 33, 0.6); color: var(--white); display: inline-flex; align-items: center; justify-content: center; }
.lightbox__btn:hover { border-color: var(--white); }
.lightbox__btn svg { width: 22px; height: 22px; }
.lightbox__prev, .lightbox__next { position: absolute; top: 50%; transform: translateY(-50%); }
.lightbox__prev { left: 12px; }
.lightbox__next { right: 12px; }
.lightbox__caption { padding: 12px var(--gutter) 20px; font-size: 0.92rem; color: var(--stone); text-align: center; min-height: 48px; }

/* ---------- Formlar ---------- */
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; }
.form .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 0.92rem; font-weight: 500; }
.field label .opt { color: var(--mold); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 50px; padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: 0;
  background: var(--white); color: var(--graphite); font-size: 1rem; appearance: none; -webkit-appearance: none;
}
.field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%231E1F21' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--graphite); box-shadow: 0 0 0 3px rgba(42, 76, 114, 0.28); }
.field input[type="file"] { padding: 11px 12px; min-height: 0; }
.field .hint { font-size: 0.84rem; color: var(--mold); }
.field.is-invalid input, .field.is-invalid select, .field.is-invalid textarea { border-color: #B3261E; }
.field-error { font-size: 0.85rem; color: #B3261E; }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: 0.92rem; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; accent-color: var(--graphite); }
.check.is-invalid { color: #B3261E; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.form-status { grid-column: 1 / -1; padding: 14px 16px; font-size: 0.95rem; border-left: 3px solid var(--mark); background: var(--concrete-2); }
.form-status[hidden] { display: none; }
.form-status.is-error { border-left-color: #B3261E; background: #FBEDEC; color: #6E1611; }
.form-status.is-ok { border-left-color: #2E7D32; background: #EDF6EE; color: #1B4D1E; }
.form button[type="submit"][disabled] { opacity: 0.6; cursor: progress; }
.section--dark .field input, .section--dark .field select, .section--dark .field textarea { background-color: var(--graphite-2); border-color: var(--line-on-dark); color: var(--white); }
.section--dark .field select option { background: var(--white); color: var(--graphite); }
.section--dark .field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23ffffff' stroke-width='1.5'/%3E%3C/svg%3E"); }
.section--dark .field input:focus, .section--dark .field select:focus, .section--dark .field textarea:focus { border-color: var(--mark); }
.section--dark .check input { accent-color: var(--mark); }
.section--dark .form-status { background: var(--graphite-2); color: var(--concrete); }
.section--dark .form-status.is-ok { background: #1F3321; color: #CDEBCF; }
.section--dark .form-status.is-error { background: #3A1C1A; color: #F6CFCB; }
.section--dark a { color: var(--white); }

/* "Sizi arayalım" penceresi */
.modal { width: min(640px, calc(100% - 32px)); max-height: calc(100% - 32px); padding: 0; border: 0; border-top: 6px solid var(--graphite); background: var(--white); color: var(--graphite); }
.modal::backdrop { background: rgba(30, 31, 33, 0.72); }
.modal__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 28px 28px 8px; }
.modal__head p { margin: 8px 0 0; color: var(--mold); font-size: 0.96rem; }
.modal__close { width: 44px; height: 44px; border: 1px solid var(--line-strong); background: var(--white); font-size: 24px; line-height: 1; flex: none; }
.modal__body { padding: 16px 28px 28px; }

/* ---------- İletişim ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 80px); }
.contact-list { list-style: none; display: grid; gap: 0; border-top: 1px solid var(--line); }
.contact-list li { padding: 20px 0; border-bottom: 1px solid var(--line); }
.contact-list h3 { font-family: var(--font-text); font-size: 0.88rem; font-weight: 500; color: var(--mold); margin-bottom: 6px; }
.contact-list p, .contact-list a { margin: 0; font-size: 1.12rem; text-decoration: none; }
.contact-list a:hover { text-decoration: underline; text-decoration-color: var(--mark); }
.map { position: relative; aspect-ratio: 16 / 7; background: var(--concrete); border: 1px solid var(--line); }
.map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; filter: grayscale(0.85) contrast(1.05); }
.map__load { position: absolute; inset: 0; display: flex; flex-direction: column; gap: 14px; align-items: center; justify-content: center; text-align: center; padding: 24px; }
.map__load p { margin: 0; color: var(--mold); max-width: 46ch; font-size: 0.95rem; }

/* ---------- CTA bandı ---------- */
.cta-band .split { align-items: start; }
.cta-band h2 { margin-bottom: 18px; }
.cta-band .contact-quick { list-style: none; display: grid; gap: 14px; margin-top: 28px; }
.cta-band .contact-quick a { text-decoration: none; font-size: 1.15rem; color: var(--white); }
.cta-band .contact-quick span { display: block; font-size: 0.85rem; color: var(--stone); }

/* ---------- Kalite belgesi ---------- */
.cert { display: flex; gap: 24px; align-items: center; padding: 24px; border: 1px solid var(--line); background: var(--white); }
.cert img { width: 120px; height: auto; flex: none; }
.cert p { margin: 0; color: var(--mold); font-size: 0.95rem; }

/* ---------- Alt bilgi ---------- */
.site-footer { background: var(--graphite); color: var(--stone); font-size: 0.96rem; }
.site-footer a { color: var(--concrete); text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; text-decoration-color: var(--mark); }
.footer-top { display: grid; grid-template-columns: minmax(0, 1.3fr) repeat(3, minmax(0, 1fr)) minmax(0, 1.3fr); gap: 40px; padding-block: clamp(56px, 7vw, 96px) 48px; }
.footer-brand img { height: 84px; width: auto; margin-bottom: 18px; }
.footer-brand .brand__name { color: var(--white); display: block; margin-bottom: 8px; }
.footer-brand p { margin: 0 0 6px; font-size: 0.9rem; max-width: 34ch; }
.footer-col h2 { font-family: var(--font-text); font-size: 0.95rem; font-weight: 600; color: var(--white); margin-bottom: 16px; }
.footer-col ul { list-style: none; display: grid; gap: 10px; }
.footer-contact address { font-style: normal; margin-bottom: 14px; color: var(--concrete); }
.footer-contact p { margin: 0 0 8px; }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a { width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line-on-dark); }
.footer-social a:hover { border-color: var(--mark); }
.footer-social svg { width: 18px; height: 18px; }
.footer-cert { display: flex; gap: 14px; align-items: center; margin-top: 22px; font-size: 0.85rem; }
.footer-cert img { width: 64px; height: auto; background: var(--white); padding: 4px; }
.footer-bottom { border-top: 1px solid var(--line-on-dark); }
.footer-bottom .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; padding-block: 22px; font-size: 0.86rem; }
.footer-bottom ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 22px; }
.asd-sign { display: inline-flex; align-items: center; opacity: 0.85; transition: opacity 0.2s var(--ease); }
.asd-sign:hover { opacity: 1; }
.asd-sign img { height: 26px; width: auto; }

/* ---------- WhatsApp düğmesi ---------- */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 80; width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: var(--white); display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22); text-decoration: none;
}
.wa-float svg { width: 28px; height: 28px; }
.wa-float:hover { background: #1EBE5A; }

/* ---------- 404 ---------- */
.notfound { min-height: 60vh; display: flex; align-items: center; }
.notfound .num { font-size: clamp(5rem, 14vw, 10rem); line-height: 1; display: block; color: var(--concrete); -webkit-text-stroke: 1px var(--stone); }

/* ---------- Duyarlı yerleşim ---------- */
@media (max-width: 1240px) {
  .header-phone { display: none; }
  .footer-top { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 1100px) {
  :root { --header-h: 74px; }
  .nav, .header-actions { display: none; }
  .menu-toggle { display: inline-flex; }
  .hero__grid { grid-template-columns: 1fr; min-height: 0; }
  .hero__media { aspect-ratio: 4 / 3.2; min-height: 0; }
  .hero__text { padding: 36px var(--gutter) 48px; }
  .values { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 28px; }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 32px; }
  .pgrid--4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .section-head, .split, .split--rev, .split--even, .page-head__grid, .contact-grid, .video-grid { grid-template-columns: 1fr; }
  .pillars, .cards, .pgrid, .pgrid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature, .ongoing { grid-template-columns: 1fr; }
  .feature__media { min-height: 0; aspect-ratio: 4 / 3; }
  .feature__body { border-left: 1px solid var(--line); border-top: 0; }
  .ongoing__body { border-left: 0; }
  .timeline { grid-template-columns: 1fr; }
  .timeline li { padding-right: 0; padding-bottom: 8px; }
  .institutions { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-head__media { aspect-ratio: 16 / 9 !important; }
  .feature-cols { grid-template-columns: 1fr; }
  .product-list > div { grid-template-columns: 1fr; }
  .lightbox__stage { padding: 0 8px; }
  .lightbox__prev, .lightbox__next { top: auto; bottom: -64px; transform: none; }
  .lightbox__inner { grid-template-rows: auto minmax(0, 1fr) 92px; }
  .lightbox__prev { left: calc(50% - 60px); }
  .lightbox__next { right: calc(50% - 60px); }
  .footer-top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .brand__tag { display: none; }
  .brand img { height: 42px; }
  .brand__name { font-size: 1.25rem; }
  .pillars, .cards, .pgrid, .pgrid--4, .form, .facts, .ticks--cols { grid-template-columns: 1fr; }
  .values, .steps { grid-template-columns: 1fr; }
  .hero__facts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero__facts dd { font-size: 1.15rem; }
  .hero__caption { padding: 10px 14px; font-size: 0.85rem; }
  .hero__caption em { display: none; }
  .hero__caption i { display: none; }
  .gallery, .gallery--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery li:first-child.is-wide { grid-column: span 2; grid-row: auto; }
  .gallery li.is-wide button { aspect-ratio: 4 / 3; }
  .ongoing__media img { aspect-ratio: 2 / 3; }
  .cert { flex-direction: column; align-items: flex-start; }
  .map { aspect-ratio: 4 / 3; }
  .footer-top { grid-template-columns: 1fr; }
  .wa-float { right: 14px; bottom: 14px; }
  .modal__head, .modal__body { padding-inline: 20px; }
}

/* ---------- Hareket tercihi ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .hero__media img { clip-path: none !important; animation: none !important; }
  .hero__flutes span, .hero__caption { opacity: 1 !important; transform: none !important; animation: none !important; }
}
.no-js .hero__media img { clip-path: none; }
.no-js .hero__flutes span, .no-js .hero__caption { opacity: 1; transform: none; }

/* ---------- Yazdırma ---------- */
@media print {
  .site-header, .drawer, .wa-float, .site-footer, .cta-band, .modal { display: none !important; }
  body { font-size: 12pt; }
}

/* Dört sütunlu varyantlar */
.facts--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.steps--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 860px) {
  .facts--4, .steps--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .steps--4 { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .timeline { border-top: 0; }
  .timeline li { border-top: 1px solid var(--line-strong); padding-top: 24px; margin-top: 12px; }
}

/* ---------- Dil seçici ---------- */
.lang { display: inline-flex; align-items: center; border: 1px solid var(--line-strong); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em; line-height: 1; }
.lang > a, .lang > span { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; min-height: 36px; padding: 0 8px; text-decoration: none; }
.lang > a { color: var(--mold); }
.lang > a:hover { color: var(--graphite); background: var(--concrete-2); }
.lang > span[aria-current] { background: var(--graphite); color: var(--white); }
.lang--drawer, .lang--footer { border-color: var(--line-on-dark); justify-self: start; }
.lang--drawer > a, .lang--footer > a { color: var(--concrete); }
.lang--drawer > a:hover, .lang--footer > a:hover { color: var(--graphite); background: var(--white); text-decoration: none; }
.lang--drawer > span[aria-current], .lang--footer > span[aria-current] { background: var(--mark); color: var(--graphite); }
.lang--drawer > a, .lang--drawer > span { min-width: 44px; min-height: 44px; }
.lang--footer > a, .lang--footer > span { min-width: 32px; min-height: 30px; }

/* ---------- Dokümanlar ---------- */
.docs { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.doc a { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-rows: auto auto auto; column-gap: 12px; padding: 22px 22px 20px; height: 100%; background: var(--white); border: 1px solid var(--line); border-top: 4px solid var(--graphite); color: var(--graphite); text-decoration: none; transition: border-color 0.2s var(--ease), transform 0.2s var(--ease); }
.doc a:hover { border-top-color: var(--mark); transform: translateY(-2px); }
.doc__type { grid-column: 1; font-weight: 700; font-stretch: 80%; font-size: 1.5rem; line-height: 1; margin-bottom: 14px; }
.doc__name { grid-column: 1; font-size: 1rem; }
.doc__size { grid-column: 1; font-size: 0.85rem; color: var(--mold); margin-top: 4px; }
.doc svg { grid-column: 2; grid-row: 1 / span 3; align-self: end; width: 24px; height: 24px; color: var(--mold); }
.doc a:hover svg { color: var(--navy); }

/* ---------- Arsa çağrı kutusu ---------- */
.land-cta { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 48px; align-items: center; padding: clamp(28px, 4vw, 48px); background: var(--concrete-2); border-left: 6px solid var(--mark); }
.land-cta h2 { margin-bottom: 12px; }
.land-cta .lead { margin: 0; max-width: 60ch; }

/* ---------- Alt bilgi harita bağlantısı ---------- */
.footer-map { display: inline-flex; align-items: center; gap: 8px; }
.footer-map svg { width: 16px; height: 16px; color: var(--mark); flex: none; }

/* ---------- Dikey adımlar ---------- */
.steps--stack { grid-template-columns: 1fr; border-top: 0; }
.steps--stack li { border-top: 1px solid var(--line-strong); padding: 20px 0 20px 0; display: grid; grid-template-columns: 64px minmax(0, 1fr); column-gap: 8px; }
.steps--stack li::before { grid-row: 1 / span 2; margin: 0; font-size: 1.6rem; }
.steps--stack li::after { top: -5px; }
.steps--stack h3 { margin-bottom: 4px; }

@media (max-width: 1360px) {
  .header-actions { gap: 12px; }
  .nav__link { padding-inline: 10px; }
  .nav__link::after { left: 10px; right: 10px; }
}
@media (max-width: 1100px) {
  .docs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .land-cta { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .docs { grid-template-columns: 1fr; }
  .steps--stack { grid-template-columns: 1fr; }
}

/* Menü başlıkları tek satırda kalsın */
.nav__link { white-space: nowrap; }
.nav__link svg { flex: none; }
@media (max-width: 1300px) {
  .header-phone { display: none; }
}
@media (max-width: 1200px) {
  .site-header .wrap { gap: 16px; }
  .nav__link { padding-inline: 8px; font-size: 0.94rem; }
  .nav__link::after { left: 8px; right: 8px; }
  .brand__tag { display: none; }
}

/* ==========================================================================
   Renk katmanı — lacivert vurgu ve yumuşak degrade geçişler
   ========================================================================== */
/* Koyu zeminlerde işaret rengi açık mavi */
.section--dark, .site-footer, .drawer, .lightbox, .film { --mark: var(--ice); }
::selection { background: var(--navy); color: var(--white); }

/* Düğmeler */
.btn { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%); border-color: var(--navy); color: var(--white); font-weight: 600; }
.btn:hover { background: var(--navy-deep); border-color: var(--navy-deep); color: var(--white); }
.btn--outline { background: transparent; border-color: var(--navy); color: var(--navy); font-weight: 500; }
.btn--outline:hover { background: var(--navy); border-color: var(--navy); color: var(--white); }
.btn--dark { background: var(--graphite); border-color: var(--graphite); color: var(--white); }
.btn--dark:hover { background: #000; border-color: #000; }
.section--dark .btn--outline { border-color: rgba(255, 255, 255, 0.5); color: var(--white); }
.section--dark .btn--outline:hover { background: var(--white); border-color: var(--white); color: var(--navy); }
.header-actions .btn--outline { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%); border-color: var(--navy); color: var(--white); font-weight: 600; }
.header-actions .btn--outline:hover { background: var(--navy-deep); }
.link-line { color: var(--navy); border-bottom-width: 2px; border-bottom-color: var(--ice); }
.link-line:hover { border-bottom-color: var(--navy); }
.section--dark .link-line { color: var(--white); border-bottom-color: var(--steel); }

/* Üst bilgi: lacivertten açık maviye ince degrade çizgi */
.site-header::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: linear-gradient(90deg, var(--navy-deep) 0%, var(--navy-mid) 45%, var(--ice) 100%); }
.nav__sub { border-top-color: var(--navy); }
.nav__link::after { height: 2px; background: linear-gradient(90deg, var(--navy), var(--ice)); }
.nav__sub a:hover, .nav__sub a[aria-current="page"] { background: var(--mist); }
.lang > span[aria-current] { background: var(--navy); color: var(--white); }
.lang--drawer > span[aria-current], .lang--footer > span[aria-current] { background: var(--white); color: var(--navy); }

/* Kolonad hero */
.hero__text { background: linear-gradient(165deg, #FFFFFF 0%, var(--mist) 55%, var(--mist-2) 100%); }
.hero__facts { border-top: 1px solid var(--ice); }
.hero__facts dd { color: var(--navy); }
.hero__caption { background: linear-gradient(90deg, var(--navy-deep) 0%, var(--navy) 100%); color: var(--white); }
.hero__caption em { color: var(--ice); }
.hero__caption i { background: rgba(255, 255, 255, 0.35); }

/* Açık degrade bölüm: hero'nun alt tonundan beyaza akar */
.section--mist { background: linear-gradient(180deg, var(--mist-2) 0%, var(--mist) 35%, #FFFFFF 100%); }
.section--concrete { background: linear-gradient(180deg, #F7F9FB 0%, var(--mist) 100%); }
.section--stone { background: linear-gradient(180deg, var(--mist) 0%, var(--mist-2) 100%); }
.statement { color: var(--navy-deep); }
.timeline { border-top-color: var(--ice); }
.timeline .num { color: var(--navy); }

/* Koyu bölümler: grafitten laciverte degrade */
.section--dark { background: linear-gradient(160deg, var(--graphite) 0%, #1A2638 60%, var(--navy-deep) 100%); }
.section--navy { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 62%, var(--graphite) 100%); }
.section--dark .section-head h2::after { content: ""; display: block; width: 56px; height: 3px; margin-top: 20px; background: linear-gradient(90deg, var(--ice), transparent); }
.institutions li span { color: var(--ice); }
.section--dark .steps li::before { color: var(--ice); }
.cta-band .contact-quick a { color: var(--white); }
.cta-band .contact-quick span { color: var(--ice); }
.section--dark .field input, .section--dark .field select, .section--dark .field textarea { background-color: rgba(255, 255, 255, 0.06); border-color: rgba(255, 255, 255, 0.22); }
.section--dark .field input:focus, .section--dark .field select:focus, .section--dark .field textarea:focus { border-color: var(--ice); box-shadow: 0 0 0 3px rgba(169, 193, 217, 0.25); }
.section--dark .check input { accent-color: var(--ice); }
.section--dark .form-status { background: rgba(255, 255, 255, 0.08); border-left-color: var(--ice); }

/* İç sayfa başlıkları: açık mavi-gri degrade, görseller beyaz zemine taşar */
.page-head { background: linear-gradient(180deg, var(--mist-2) 0%, var(--mist) calc(100% - clamp(90px, 12vw, 180px)), #FFFFFF calc(100% - clamp(90px, 12vw, 180px))); }
.page-head--plain { background: linear-gradient(180deg, var(--mist-2) 0%, var(--mist) 70%, #FFFFFF 100%); border-bottom: 0; }
.page-head h1::after { content: ""; display: block; width: 64px; height: 3px; background: linear-gradient(90deg, var(--navy), var(--ice)); margin-top: 22px; }
.triptych > div:nth-child(1) { border-top-color: var(--graphite); }
.triptych > div:nth-child(2) { border-top-color: var(--navy); }
.triptych > div:nth-child(3) { border-top-color: var(--steel); }

/* Kartlar ve vurgular */
.pillar { border-top: 4px solid var(--navy); border-bottom: 1px solid var(--line); box-shadow: 0 1px 0 rgba(30, 31, 33, 0.04); transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease); }
.pillar:hover { box-shadow: 0 18px 40px rgba(17, 34, 55, 0.12); transform: translateY(-3px); }
.pillar__body { background: linear-gradient(180deg, #FFFFFF 0%, var(--mist) 100%); }
.ongoing { border-top: 4px solid var(--navy); border-bottom: 1px solid var(--line); box-shadow: 0 18px 50px rgba(17, 34, 55, 0.08); }
.ongoing__media { background: linear-gradient(180deg, var(--mist-2), var(--mist)); }
.status { background: var(--mist-2); color: var(--navy); padding: 6px 14px 6px 12px; font-weight: 500; }
.status::before { background: var(--navy-mid); box-shadow: 0 0 0 3px rgba(42, 76, 114, 0.22); }
.pcard__cat { color: var(--navy-mid); font-weight: 600; font-size: 0.82rem; letter-spacing: 0.02em; }
.pcard__count { background: rgba(17, 34, 55, 0.86); color: var(--white); }
.pcard__btn:hover .pcard__name { text-decoration: underline; text-decoration-color: var(--ice); text-decoration-thickness: 2px; text-underline-offset: 0.18em; }
.chip:hover { border-color: var(--navy); }
.chip[aria-pressed="true"] { background: var(--navy); border-color: var(--navy); color: var(--white); }
.chip[aria-pressed="true"] span { color: var(--ice); }
.tab[aria-selected="true"] { background: var(--navy); border-color: var(--navy); color: var(--white); }
.tab[aria-selected="true"] .muted { color: var(--ice); }
.feature-cols h3 { border-top: 2px solid var(--navy); }
.values { border-top: 2px solid var(--navy); }
.card { border-top: 3px solid var(--navy); }
.cert { border-left: 4px solid var(--navy); }
.doc a { border-top-color: var(--navy); }
.doc a:hover { border-top-color: var(--steel); box-shadow: 0 14px 30px rgba(17, 34, 55, 0.1); }
.land-cta { background: linear-gradient(120deg, var(--mist-2) 0%, var(--mist) 60%, #FFFFFF 100%); border-left: 4px solid var(--navy); }
.modal { border-top: 4px solid var(--navy); }
.video-tile__play span { background: rgba(17, 34, 55, 0.88); color: var(--white); }
.video-tile__play:hover span { background: var(--navy); }
.form-status { border-left-color: var(--navy); background: var(--mist); }
.check input { accent-color: var(--navy); }

/* Alt bilgi: CTA'nın lacivertinden grafite akış */
.site-footer { background: var(--graphite); border-top: 0; }
.footer-col h2 { color: var(--ice); }
.footer-map svg { color: var(--ice); }

/* ==========================================================================
   Proje filmi — logodaki üç kolondan açılan film sahnesi
   ========================================================================== */
.film { position: relative; color: var(--white); padding-block: clamp(56px, 7vw, 104px); background: radial-gradient(120% 80% at 50% 0%, #22436A 0%, var(--navy-deep) 48%, #0A1524 100%); overflow: hidden; }
.film::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 120px; background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0)); pointer-events: none; }
.film__stage { position: relative; width: min(100% - 2 * var(--gutter), 1480px); margin-inline: auto; aspect-ratio: 21 / 9; min-height: 440px; overflow: hidden; background: #0A1524; }
.film__loop {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  clip-path: polygon(0% 100%, 0% 16%, 31% 16%, 31% 100%, 34.5% 100%, 34.5% 0%, 65.5% 0%, 65.5% 100%, 69% 100%, 69% 30%, 100% 30%, 100% 100%);
  transform: scale(1.08);
  transition: clip-path 1.8s var(--ease) 0.1s, transform 2.6s var(--ease);
}
.film__stage.is-in .film__loop { clip-path: polygon(0% 100%, 0% 0%, 33.34% 0%, 33.34% 100%, 33.33% 100%, 33.33% 0%, 66.67% 0%, 66.67% 100%, 66.66% 100%, 66.66% 0%, 100% 0%, 100% 100%); transform: scale(1); }
.film__flute { position: absolute; top: 0; bottom: 0; width: 1px; background: rgba(255, 255, 255, 0.32); opacity: 0; transition: opacity 1s var(--ease) 1.7s; z-index: 1; }
.film__flute:nth-of-type(1) { left: 33.33%; }
.film__flute:nth-of-type(2) { left: 66.66%; }
.film__stage.is-in .film__flute { opacity: 1; }
.film__shade { position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(90deg, rgba(10, 21, 36, 0.9) 0%, rgba(10, 21, 36, 0.55) 36%, rgba(10, 21, 36, 0) 68%), linear-gradient(0deg, rgba(10, 21, 36, 0.65) 0%, rgba(10, 21, 36, 0) 42%); }
.film__copy { position: absolute; z-index: 2; left: clamp(24px, 5vw, 72px); bottom: clamp(28px, 5vw, 64px); right: clamp(24px, 5vw, 72px); max-width: 580px; opacity: 0; transform: translateY(18px); transition: opacity 0.9s var(--ease) 1.1s, transform 0.9s var(--ease) 1.1s; }
.film__stage.is-in .film__copy { opacity: 1; transform: none; }
.film__kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; margin: 0 0 16px; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ice); }
.film__kicker::before { content: ""; width: 36px; height: 1px; background: var(--ice); }
.film__kicker span { color: var(--white); font-weight: 500; letter-spacing: 0.1em; }
.film__kicker span::before { content: "·"; margin-right: 12px; color: var(--ice); }
.film__title { color: var(--white); font-size: clamp(2.1rem, 4.2vw, 3.9rem); margin-bottom: 16px; }
.film__lead { color: rgba(255, 255, 255, 0.84); max-width: 46ch; margin: 0 0 28px; font-size: clamp(1rem, 1.3vw, 1.15rem); }
.film__play { display: inline-flex; align-items: center; gap: 18px; color: var(--white); text-decoration: none; font-weight: 600; font-size: 1.05rem; }
.film__play-icon { position: relative; flex: none; width: 76px; height: 76px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, 0.12); border: 1px solid rgba(255, 255, 255, 0.6); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); transition: background-color 0.3s var(--ease), transform 0.3s var(--ease); }
.film__play-icon::before { content: ""; margin-left: 6px; border-left: 18px solid var(--white); border-top: 11px solid transparent; border-bottom: 11px solid transparent; transition: border-color 0.3s var(--ease); }
.film__play-icon::after { content: ""; position: absolute; inset: -10px; border-radius: 50%; border: 1px solid rgba(169, 193, 217, 0.6); animation: film-pulse 2.8s var(--ease) infinite; }
@keyframes film-pulse { 0% { transform: scale(0.86); opacity: 0.9; } 100% { transform: scale(1.38); opacity: 0; } }
.film__play:hover .film__play-icon { background: var(--white); transform: scale(1.04); }
.film__play:hover .film__play-icon::before { border-left-color: var(--navy); }
.film__play-text small { display: block; margin-top: 2px; font-size: 0.85rem; font-weight: 400; color: var(--ice); }
.film__note { position: absolute; z-index: 2; right: 16px; bottom: 12px; margin: 0; font-size: 0.76rem; color: rgba(255, 255, 255, 0.62); }
.film__chapters { list-style: none; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; margin-top: 28px; }
.film__chapter { display: flex; flex-direction: column; gap: 4px; color: var(--white); text-decoration: none; }
.film__thumb { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; background: #0A1524; box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12); margin-bottom: 8px; }
.film__thumb img { width: 100%; height: 100%; object-fit: cover; opacity: 0.86; transition: transform 0.6s var(--ease), opacity 0.3s var(--ease); }
.film__thumb::after { content: ""; position: absolute; left: 50%; top: 50%; width: 40px; height: 40px; margin: -20px 0 0 -20px; border-radius: 50%; background: rgba(17, 34, 55, 0.8) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='14' viewBox='0 0 12 14'%3E%3Cpath d='M1 1l10 6-10 6z' fill='%23ffffff'/%3E%3C/svg%3E") 55% 50% / 12px 14px no-repeat; opacity: 0; transform: scale(0.8); transition: opacity 0.3s var(--ease), transform 0.3s var(--ease); }
.film__chapter:hover .film__thumb img, .film__chapter:focus-visible .film__thumb img { transform: scale(1.05); opacity: 1; }
.film__chapter:hover .film__thumb::after, .film__chapter:focus-visible .film__thumb::after { opacity: 1; transform: scale(1); }
.film__chapter:focus-visible { outline: 2px solid var(--ice); outline-offset: 4px; }
.film__dur { position: absolute; right: 6px; bottom: 6px; padding: 2px 7px; font-size: 0.74rem; background: rgba(10, 21, 36, 0.82); font-variant-numeric: tabular-nums; }
.film__no { font-size: 0.76rem; letter-spacing: 0.1em; color: var(--ice); }
.film__name { font-family: var(--font-display); font-size: 1.12rem; line-height: 1.2; }
.film__desc { font-size: 0.86rem; line-height: 1.4; color: rgba(255, 255, 255, 0.68); }
.no-js .film__loop { clip-path: none; transform: none; }
.no-js .film__copy, .no-js .film__flute { opacity: 1; transform: none; }

/* Film oynatıcı penceresi */
.player { width: min(1120px, calc(100% - 24px)); max-height: calc(100% - 24px); padding: 0; border: 0; background: #0A1524; color: var(--white); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5); }
.player::backdrop { background: rgba(6, 12, 22, 0.9); }
.player__bar { display: flex; align-items: center; gap: 16px; padding: 12px 12px 12px 20px; }
.player__title { flex: 1; margin: 0; font-size: 1.3rem; color: var(--white); }
.player__count { font-size: 0.88rem; color: var(--ice); font-variant-numeric: tabular-nums; }
.player__close { width: 44px; height: 44px; flex: none; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255, 255, 255, 0.25); background: transparent; color: var(--white); }
.player__close:hover { border-color: var(--white); }
.player__close svg { width: 20px; height: 20px; }
.player__stage { background: #000; aspect-ratio: 16 / 9; max-height: calc(100vh - 170px); max-height: calc(100dvh - 170px); width: 100%; }
.player__stage video { width: 100%; height: 100%; object-fit: contain; background: #000; }
.player__nav { display: flex; justify-content: space-between; gap: 12px; padding: 12px 20px 16px; }
.player__nav button { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 8px 16px; border: 1px solid rgba(255, 255, 255, 0.25); background: transparent; color: var(--white); font-size: 0.95rem; }
.player__nav button:hover { border-color: var(--white); }
.player__nav svg { width: 18px; height: 18px; }
a.video-tile__play { text-decoration: none; }

@media (max-width: 1100px) {
  .film__chapters { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 24px; }
}
@media (max-width: 860px) {
  .film__stage { aspect-ratio: auto; min-height: 0; height: min(78vh, 620px); }
  .film__shade { background: linear-gradient(0deg, rgba(10, 21, 36, 0.92) 0%, rgba(10, 21, 36, 0.55) 45%, rgba(10, 21, 36, 0.05) 75%); }
  .film__chapters { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: minmax(220px, 64%); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; -webkit-overflow-scrolling: touch; }
  .film__chapters li { scroll-snap-align: start; }
}
@media (max-width: 600px) {
  .film__stage { width: 100%; height: min(82vh, 600px); }
  .film__copy { left: 20px; right: 20px; bottom: 28px; }
  .film__play-icon { width: 64px; height: 64px; }
  .player__title { font-size: 1.05rem; }
  .player__nav span { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .film__loop { clip-path: none !important; transform: none !important; }
  .film__copy, .film__flute { opacity: 1 !important; transform: none !important; }
  .film__play-icon::after { animation: none; }
}
@media print { .film, .player { display: none !important; } }

/* ---------- Ana sayfa: dijital katalog tanıtımı ---------- */
.cat-promo { background: linear-gradient(180deg, #FFFFFF 0%, var(--mist) 100%); overflow: hidden; }
.cat-promo__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(32px, 6vw, 96px); align-items: center; }
.cat-promo__book { position: relative; display: block; width: min(100%, 520px); aspect-ratio: 1.25 / 1; margin-inline: auto; }
.cat-promo__book img { position: absolute; top: 0; width: 56%; height: auto; box-shadow: 0 30px 60px rgba(17, 34, 55, 0.28); transition: transform 0.6s var(--ease); }
.cat-promo__page { left: 40%; transform: rotate(5deg) translateY(4%); }
.cat-promo__cover { left: 4%; transform: rotate(-4deg); z-index: 1; }
.cat-promo__book:hover .cat-promo__cover { transform: rotate(-7deg) translateX(-4%); }
.cat-promo__book:hover .cat-promo__page { transform: rotate(8deg) translate(4%, 4%); }
.cat-promo__kicker { display: flex; align-items: center; gap: 12px; margin: 0 0 16px; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--navy-mid); }
.cat-promo__kicker::before { content: ""; width: 36px; height: 1px; background: var(--navy-mid); }
.cat-promo__text h2 { margin-bottom: 18px; color: var(--navy-deep); }
.cat-promo__text .lead { margin-bottom: 28px; }
@media (max-width: 860px) {
  .cat-promo__grid { grid-template-columns: 1fr; }
  .cat-promo__book { width: min(100%, 420px); }
}

/* Koyu zemin üzerindeki açık düğme (renk katmanından sonra gelmeli) */
.btn.btn--accent { background: var(--white); border-color: var(--white); color: var(--navy); }
.btn.btn--accent:hover { background: var(--ice); border-color: var(--ice); color: var(--navy-deep); }

/* ---------- Üst bilgi şeridi (iletişim, sosyal medya, dil) ---------- */
.topbar { background: linear-gradient(90deg, var(--navy-deep) 0%, var(--navy) 60%, var(--navy-mid) 100%); color: var(--ice); font-size: 0.84rem; }
.topbar__in { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 40px; }
.topbar__info { list-style: none; display: flex; align-items: center; gap: 8px 28px; flex-wrap: wrap; }
.topbar__info li { display: inline-flex; align-items: center; gap: 8px; }
.topbar__info svg { width: 14px; height: 14px; flex: none; color: var(--ice); }
.topbar__info a { color: var(--white); text-decoration: none; }
.topbar__info a:hover { text-decoration: underline; text-decoration-color: var(--ice); }
.topbar__end { display: flex; align-items: center; gap: 6px; }
.topbar__social { width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center; color: var(--white); }
.topbar__social:hover { color: var(--ice); }
.topbar__social svg { width: 16px; height: 16px; }
.lang--top { margin-left: 8px; border-color: rgba(255, 255, 255, 0.3); font-size: 0.74rem; }
.lang--top > a, .lang--top > span { min-width: 32px; min-height: 26px; }
.lang--top > a { color: var(--ice); }
.lang--top > a:hover { background: rgba(255, 255, 255, 0.12); color: var(--white); }
.lang--top > span[aria-current] { background: var(--white); color: var(--navy); }
:focus-visible { outline-color: var(--navy-mid); }
.topbar :focus-visible { outline-color: var(--ice); }

/* Ana menü: E-Katalog bağlantısı (kitap simgesiyle) */
.nav__link--cat svg { width: 18px; height: 18px; color: var(--navy-mid); }
.nav__link--cat:hover svg, .nav__link--cat[aria-current="page"] svg { color: var(--navy); }
.nav__list { gap: 2px; }

@media (max-width: 1100px) {
  .topbar { display: none; }
}

/* Kurumsal kimlik kılavuzu (Kurumsal > Dokümanlar) */
.brandbook { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 56px; align-items: center; margin-bottom: 40px; padding: 40px; background: var(--white); border: 1px solid var(--line); border-top: 4px solid var(--navy); }
.brandbook__media { position: relative; aspect-ratio: 297 / 240; }
.brandbook__media img { position: absolute; width: 82%; height: auto; box-shadow: 0 18px 40px rgba(17, 34, 55, 0.18); }
.brandbook__back { right: 0; top: 0; }
.brandbook__front { left: 0; bottom: 0; }
.brandbook__body h3 { font-size: clamp(1.6rem, 2.4vw, 2.1rem); margin-bottom: 14px; }
.brandbook__body > p:not(.kicker) { color: var(--mold); max-width: 46ch; }
.brandbook__meta { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 26px; }
.brandbook__meta li { font-size: 0.85rem; padding: 4px 10px; background: var(--mist); color: var(--navy); }
.brandbook .btn { display: inline-flex; align-items: center; gap: 10px; }
.brandbook .btn svg { width: 20px; height: 20px; }
.docs--six { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
@media (max-width: 900px) {
  .brandbook { grid-template-columns: 1fr; gap: 32px; padding: 24px; }
}

/* Logo: kurumsal kimlikteki logo dosyaları (yazı ayrıca dizilmez) */
.brand img { height: 52px; width: auto; }
.drawer__top .brand img { height: 46px; }
.footer-brand .footer-logo { height: 72px; width: auto; max-width: 100%; margin-bottom: 22px; background: none; padding: 0; }
@media (max-width: 1200px) { .brand img { height: 48px; } }
@media (max-width: 600px) { .brand img { height: 42px; } }

/* Devam eden projeler: videolu proje (fabrika inşaatı) */
.ongoing--video .ongoing__media .video-tile { margin: 0; min-width: 0; min-height: 0; height: 100%; }
.ongoing--video .ongoing__media .video-tile__frame { aspect-ratio: auto; width: 100%; height: 100%; }
.ongoing--video .ongoing__media .video-tile__play span { padding: 10px 14px; gap: 10px; font-size: 0.86rem; }
@media (max-width: 640px) {
  .ongoing--video .ongoing__media { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ongoing--video .ongoing__media .video-tile { grid-column: 1 / -1; }
  .ongoing--video .ongoing__media .video-tile { height: auto; }
  .ongoing--video .ongoing__media .video-tile__frame { aspect-ratio: 4 / 5; height: auto; }
}

/* ==========================================================================
   Altın ara çizgiler (lacivert tasarım üzerine)
   ========================================================================== */
:root {
  --gold: #C6A15B;
  --gold-soft: #DEC690;
  --gold-deep: #A8843E;
  --gold-rule: linear-gradient(90deg, var(--gold-deep) 0%, var(--gold) 45%, var(--gold-soft) 100%);
}

/* Üst şerit ve menü */
.topbar { box-shadow: inset 0 -1px 0 rgba(222, 198, 144, 0.35); }
.topbar__info a:hover, .topbar__social:hover { color: var(--gold-soft); text-decoration-color: var(--gold-soft); }
.site-header::before { height: 3px; background: linear-gradient(90deg, var(--gold-deep) 0%, var(--gold) 25%, var(--gold-soft) 50%, var(--gold) 75%, var(--gold-deep) 100%); }
.nav__sub { border-top: 3px solid var(--gold); }
.nav__link::after { height: 2px; background: linear-gradient(90deg, var(--navy), var(--gold)); }
.link-line { border-bottom-color: var(--gold); }
.link-line:hover { border-bottom-color: var(--navy); }
.section--dark .link-line { border-bottom-color: var(--gold-soft); }

/* Giriş alanı */
.hero__facts { border-top: 2px solid var(--gold); }
.hero__caption { box-shadow: inset 0 2px 0 var(--gold); }
.hero__caption em { color: var(--gold-soft); }

/* Bölüm ve sayfa başlıkları: altın ara çizgi */
.section-head h2::after, .section--dark .section-head h2::after { content: ""; display: block; width: 88px; height: 3px; margin-top: 22px; background: var(--gold-rule); }
.page-head h1::after { width: 88px; height: 3px; background: var(--gold-rule); }
.timeline { border-top: 2px solid var(--gold); }
.cat-promo__kicker::before { height: 2px; background: var(--gold); }

/* Kartlar: lacivert üst çizginin altında ince altın şerit */
.pillar, .ongoing, .card { position: relative; }
.pillar::before, .ongoing::before, .card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--gold-rule); z-index: 2; pointer-events: none; }
.feature-cols h3, .values { border-top-color: var(--gold); }

/* Koyu bölümler: altın vurgular */
.section--dark { border-top: 1px solid rgba(222, 198, 144, 0.4); }
.institutions li span, .cta-band .contact-quick span, .section--dark .steps li::before { color: var(--gold-soft); }
.chip[aria-pressed="true"] span, .tab[aria-selected="true"] .muted { color: var(--gold-soft); }

/* Proje filmi */
.film { border-top: 1px solid rgba(222, 198, 144, 0.4); }
.film__flute { background: rgba(222, 198, 144, 0.7); }
.film__kicker, .film__kicker span::before, .film__no { color: var(--gold-soft); }
.film__kicker::before { height: 2px; background: var(--gold-soft); }
.video-tile__play span::before { border-left-color: var(--gold-soft); }

/* Alt bilgi */
.site-footer { border-top: 3px solid var(--gold); }
.site-footer a:hover { text-decoration-color: var(--gold-soft); }
.footer-col h2 { color: var(--gold-soft); }
.footer-map svg { color: var(--gold-soft); }
.footer-social a:hover { border-color: var(--gold-soft); }
.footer-bottom { border-top-color: rgba(222, 198, 144, 0.35); }

/* Devam eden projeler: görselsiz proje kartı, konum etiketi, ana sayfa kısa listesi */
.ongoing--text { grid-template-columns: 1fr; }
.ongoing--text .ongoing__body { border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.ongoing--text .muted { max-width: 60ch; }
.ongoing__loc { margin: -10px 0 0; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--navy-mid); }
.ongoing-more { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: clamp(20px, 2.4vw, 32px); border-top: 1px solid var(--line); }
.ongoing-more li { border-bottom: 1px solid var(--line); }
.ongoing-more li + li { border-left: 1px solid var(--line); }
.ongoing-more a { display: flex; flex-direction: column; gap: 4px; padding: 20px 24px; text-decoration: none; color: inherit; transition: background-color 0.25s var(--ease); }
.ongoing-more a:hover { background: var(--mist); }
.ongoing-more strong { font-family: var(--font-display); font-weight: 400; font-size: 1.3rem; color: var(--navy-deep); }
.ongoing-more span { font-size: 0.9rem; color: var(--mold); }
.ongoing-more__all strong::after { content: " →"; color: var(--gold, var(--navy)); }
@media (max-width: 860px) {
  .ongoing-more { grid-template-columns: 1fr; }
  .ongoing-more li + li { border-left: 0; }
}

/* Tamamlanan projeler: ayrıntısız isim listesi */
.plist { margin-top: clamp(40px, 5vw, 64px); padding-top: 28px; border-top: 2px solid var(--gold, var(--navy)); }
.plist h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); margin-bottom: 18px; }
.plist ul { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px; }
.plist li { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.plist li span { font-weight: 500; }
.plist li small { font-size: 0.86rem; color: var(--mold); white-space: nowrap; }
@media (max-width: 640px) { .plist ul { grid-template-columns: 1fr; } }

/* Giriş alanı: projeler arasında dönen slaytlar */
.hero__slides { position: absolute; inset: 0; }
.hero__slide { position: absolute; inset: 0; margin: 0; opacity: 0; visibility: hidden; transition: opacity 1.2s var(--ease), visibility 0s linear 1.2s; }
.hero__slide.is-active { opacity: 1; visibility: visible; z-index: 1; transition: opacity 1.2s var(--ease), visibility 0s; }
.hero__slide:not(:first-child) img { clip-path: none; animation: none !important; transform: scale(1.06); transition: transform 7s linear; }
.hero__slide.is-active:not(:first-child) img { transform: scale(1); }
.hero__slide:not(:first-child) .hero__caption { opacity: 1; transform: none; animation: none; }
.hero__dots { position: absolute; right: clamp(16px, 2vw, 28px); bottom: clamp(16px, 2vw, 24px); z-index: 3; display: flex; gap: 6px; opacity: 0; }
.hero.is-ready .hero__dots { animation: rise 0.8s var(--ease) 2.4s forwards; }
.hero__dots button { position: relative; width: 38px; height: 28px; padding: 0; border: 0; background: none; cursor: pointer; }
.hero__dots button::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 2px; margin-top: -1px; background: rgba(255, 255, 255, 0.6); box-shadow: 0 0 0 1px rgba(17, 34, 55, 0.18); transition: background-color 0.3s var(--ease), height 0.3s var(--ease); }
.hero__dots button:hover::before { background: #fff; }
.hero__dots button[aria-current="true"]::before { height: 4px; margin-top: -2px; background: var(--gold, #fff); }
.hero__dots button:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
@media (max-width: 600px) { .hero__dots button { width: 28px; } }
@media (prefers-reduced-motion: reduce) {
  .hero__slide, .hero__slide img { transition: none !important; transform: none !important; }
  .hero__dots { opacity: 1 !important; animation: none !important; }
}
.no-js .hero__dots { display: none; }

/* Slayt: şantiye videosu (dikey video, bulanık zemin üzerinde ortalı) */
.hero__slide--video { background: #10213A; }
.hero__slide--video .hero__bg { inset: -40px; width: calc(100% + 80px); height: calc(100% + 80px); object-position: 50% 50%; filter: blur(26px) brightness(0.5) saturate(1.15); transform: none !important; transition: none !important; }
.hero__slide--video video { position: absolute; top: 0; left: 50%; height: 100%; width: auto; max-width: 100%; aspect-ratio: 480 / 854; transform: translateX(-50%); object-fit: cover; display: block; pointer-events: none; box-shadow: 0 0 0 1px rgba(222, 198, 144, 0.4), 0 28px 80px rgba(6, 14, 26, 0.6); }

/* Galeri: ikinci geniş görsel (yalnızca 4 sütunlu düzende 2x2) */
.gallery li.is-wide:not(:first-child) button { aspect-ratio: 4 / 3; }
@media (min-width: 861px) {
  .gallery li.is-wide:not(:first-child) { grid-column: span 2; grid-row: span 2; }
  .gallery li.is-wide:not(:first-child) button { aspect-ratio: auto; }
}
@media (max-width: 860px) {
  .gallery { grid-auto-flow: dense; }
  .gallery li.is-wide:not(:first-child) { grid-column: 1 / -1; }
  .gallery li.is-wide:not(:first-child) button { aspect-ratio: 16 / 9; }
}

/* ==========================================================================
   Altın katmanı (güçlendirilmiş): daha belirgin altın geçişler ve ara çizgiler
   ========================================================================== */
:root {
  --gold-band: linear-gradient(90deg, var(--gold-deep) 0%, var(--gold) 22%, var(--gold-soft) 50%, var(--gold) 78%, var(--gold-deep) 100%);
  --gold-fade: linear-gradient(90deg, rgba(198, 161, 91, 0) 0%, rgba(198, 161, 91, 0.85) 18%, var(--gold-soft) 50%, rgba(198, 161, 91, 0.85) 82%, rgba(198, 161, 91, 0) 100%);
}

/* Kartlar: üst ve alt kenarlar altın geçişli */
.ongoing, .pillar { border-image: var(--gold-band) 1; }
.ongoing { border-top-width: 5px; border-bottom-width: 3px; }
.pillar { border-top-width: 5px; border-bottom-width: 3px; }
.ongoing::before, .pillar::before { display: none; }
.card::before { height: 3px; background: var(--gold-band); }

/* Bölüm başlıkları ve sayfa başlıkları: uzun, sönen altın çizgi */
.section-head h2::after, .section--dark .section-head h2::after { width: 132px; height: 3px; background: linear-gradient(90deg, var(--gold-deep) 0%, var(--gold) 40%, var(--gold-soft) 70%, rgba(222, 198, 144, 0) 100%); }
.page-head h1::after { width: 132px; height: 3px; background: linear-gradient(90deg, var(--gold-deep) 0%, var(--gold) 40%, var(--gold-soft) 70%, rgba(222, 198, 144, 0) 100%); }

/* Açık bölümler arasında ince altın ara çizgi */
.section + .section, .section + .cat-promo { position: relative; }
.section + .section::before { content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: min(100% - 2 * var(--gutter), 1320px); height: 1px; background: var(--gold-fade); pointer-events: none; }
.section--dark::before, .section--navy::before, .cta-band::before { display: none; }

/* Koyu bölümler: altın üst bant ve köşeden yayılan altın ışık */
.section--navy, .cta-band { border-top: 3px solid; border-image: var(--gold-band) 1; background: radial-gradient(55% 70% at 100% 0%, rgba(198, 161, 91, 0.2) 0%, rgba(198, 161, 91, 0) 70%), linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 62%, var(--graphite) 100%); }
.section--dark:not(.section--navy) { border-top: 3px solid; border-image: var(--gold-band) 1; background: radial-gradient(50% 70% at 0% 0%, rgba(198, 161, 91, 0.16) 0%, rgba(198, 161, 91, 0) 70%), linear-gradient(160deg, var(--graphite) 0%, #1A2638 60%, var(--navy-deep) 100%); }
.film { border-top: 3px solid; border-image: var(--gold-band) 1; background: radial-gradient(60% 45% at 50% 0%, rgba(198, 161, 91, 0.2) 0%, rgba(198, 161, 91, 0) 70%), radial-gradient(120% 80% at 50% 0%, #22436A 0%, var(--navy-deep) 48%, #0A1524 100%); }
.film__stage { box-shadow: 0 0 0 1px rgba(222, 198, 144, 0.45), 0 30px 80px rgba(0, 0, 0, 0.35); }
.film__chapter:hover .film__name, .film__chapter:focus-visible .film__name { color: var(--gold-soft); }
.site-footer { border-top: 4px solid; border-image: var(--gold-band) 1; background: radial-gradient(45% 80% at 0% 0%, rgba(198, 161, 91, 0.16) 0%, rgba(198, 161, 91, 0) 70%), radial-gradient(45% 80% at 100% 100%, rgba(198, 161, 91, 0.1) 0%, rgba(198, 161, 91, 0) 70%), var(--graphite); }
.footer-bottom { border-top: 1px solid; border-image: var(--gold-fade) 1; }

/* Giriş alanı: görsel ile metin arasında dikey altın geçiş */
.hero__text { position: relative; }
.hero__text::before { content: ""; position: absolute; left: 0; top: 10%; bottom: 10%; width: 3px; background: linear-gradient(180deg, rgba(198, 161, 91, 0) 0%, var(--gold) 25%, var(--gold-soft) 50%, var(--gold) 75%, rgba(198, 161, 91, 0) 100%); pointer-events: none; }
.hero__facts { border-top: 2px solid; border-image: linear-gradient(90deg, var(--gold-deep), var(--gold) 40%, var(--gold-soft) 75%, rgba(222, 198, 144, 0.2)) 1; }
.hero__caption { box-shadow: inset 0 3px 0 var(--gold); }
@media (max-width: 1100px) {
  .hero__text::before { left: var(--gutter); right: var(--gutter); top: 0; bottom: auto; width: auto; height: 3px; background: var(--gold-fade); }
}

/* Sayfa üst görseli: altın alt çizgi */
.page-head__media { border-bottom: 4px solid; border-image: var(--gold-band) 1; }

/* Bilgi listeleri, adımlar, zaman çizelgesi */
.facts { border-top: 2px solid var(--gold); }
.facts > div { border-bottom-color: rgba(198, 161, 91, 0.45); }
.steps, .timeline { border-top: 2px solid; border-image: var(--gold-band) 1; }
.steps li::after, .timeline li::before { background: var(--gold); }
.timeline .num { color: var(--gold-deep); }
.ongoing-more { border-top: 2px solid var(--gold); }
.ongoing-more li { border-color: rgba(198, 161, 91, 0.45) !important; }

/* Durum rozeti ve butonlar */
.status::before { background: var(--gold); box-shadow: 0 0 0 4px rgba(198, 161, 91, 0.25); }
.btn:not(.btn--outline) { box-shadow: inset 0 -3px 0 var(--gold); }
.btn:not(.btn--outline):hover { box-shadow: inset 0 -3px 0 var(--gold-soft); }
.btn--outline:hover { border-color: var(--gold); box-shadow: inset 0 -3px 0 var(--gold); }
.tab[aria-selected="true"] { box-shadow: inset 0 -3px 0 var(--gold); }

/* Galeri ve kartlarda üzerine gelince altın çerçeve */
.gallery button:hover, .gallery button:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* Ana sayfa: slider altındaki tanıtım cümlesi tüm genişliğe dengeli yayılır */
.section--mist .statement { max-width: none; font-size: clamp(1.5rem, 2.45vw, 2.35rem); line-height: 1.32; text-wrap: balance; }

/* ==========================================================================
   Giriş alanı: devam eden projeler (her slayt = bir proje, bilgiyle birlikte)
   ========================================================================== */
.hp-slides { position: absolute; inset: 0; }
.hp-slide { position: absolute; inset: 0; margin: 0; opacity: 0; visibility: hidden; transition: opacity 1s var(--ease), visibility 0s linear 1s; }
.hp-slide.is-active { opacity: 1; visibility: visible; z-index: 1; transition: opacity 1s var(--ease), visibility 0s; }
.hp-slide:not(:first-child) img { clip-path: none; animation: none !important; transform: scale(1.05); transition: transform 8s linear; }
.hp-slide.is-active:not(:first-child) img { transform: scale(1); }
.hp-slide--video { background: #10213A; }
.hero__media .hp-bg { inset: -40px; width: calc(100% + 80px); height: calc(100% + 80px); object-position: 50% 50%; filter: blur(26px) brightness(0.5) saturate(1.15); transform: none !important; transition: none !important; }
.hp-video { position: absolute; top: 0; left: 50%; height: 100%; width: auto; max-width: 100%; aspect-ratio: 480 / 854; transform: translateX(-50%); object-fit: cover; display: block; pointer-events: none; box-shadow: 0 0 0 1px rgba(222, 198, 144, 0.4), 0 28px 80px rgba(6, 14, 26, 0.6); }
.hp-note { position: absolute; right: 14px; bottom: 10px; z-index: 3; margin: 0; font-size: 0.72rem; color: rgba(255, 255, 255, 0.85); text-shadow: 0 1px 3px rgba(0, 0, 0, 0.55); pointer-events: none; }

.hero--projects .hero__text { justify-content: flex-start; gap: 22px; }
.hero__text .hp-brand { display: flex; align-items: center; gap: 12px; margin: 0; font-family: var(--font-text); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; line-height: 1.3; color: var(--gold-deep); }
.hero__text .hp-brand::before { content: ""; flex: none; width: 34px; height: 2px; background: var(--gold-band); }
.hero__text .hp-brand::after { display: none; }

.hp-panels { display: grid; flex: 1; align-content: center; }
.hp-panel { grid-area: 1 / 1; opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), visibility 0s linear 0.5s; }
.hp-panel.is-active { opacity: 1; visibility: visible; transform: none; transition: opacity 0.7s var(--ease) 0.2s, transform 0.7s var(--ease) 0.2s, visibility 0s; }
.hp-count { margin: 0; font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mold); }
.hp-count span { color: var(--gold-deep); font-weight: 700; }
.hero__text .hp-title { margin: 12px 0 0; font-family: var(--font-display); font-weight: 400; font-size: clamp(2.2rem, 3.5vw, 3.6rem); line-height: 1.05; color: var(--graphite); }
.hp-status { display: inline-flex; align-items: center; gap: 10px; margin: 14px 0 0; font-size: 0.92rem; font-weight: 600; color: var(--navy); }
.hp-status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgba(198, 161, 91, 0.25); }
.hp-desc { margin: 16px 0 0; max-width: 46ch; font-size: 1.04rem; line-height: 1.6; color: var(--mold); }
.hp-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 22px 0 0; border-top: 2px solid; border-image: var(--gold-band) 1; }
.hp-facts div { padding: 12px 12px 0 0; }
.hp-facts dt { font-size: 0.8rem; color: var(--mold); }
.hp-facts dd { margin: 4px 0 0; font-weight: 600; font-stretch: 85%; font-size: 1.04rem; line-height: 1.25; color: var(--navy); }
.hp-panel .btn-row { margin-top: 26px; }

.hp-tabs { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 14px; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.hp-tab { all: unset; box-sizing: border-box; position: relative; display: flex; flex-direction: column; gap: 3px; width: 100%; padding: 14px 0 4px; cursor: pointer; }
.hp-tab__no { font-size: 0.76rem; font-weight: 700; letter-spacing: 0.08em; color: var(--gold-deep); }
.hp-tab__name { font-family: var(--font-display); font-size: 1rem; line-height: 1.2; color: var(--mold); transition: color 0.3s var(--ease); }
.hp-tab__sub { font-size: 0.78rem; color: var(--mold); }
.hp-tab__bar { position: absolute; left: 0; right: 0; top: -2px; height: 3px; overflow: hidden; background: transparent; }
.hp-tab__bar::after { content: ""; position: absolute; inset: 0; transform: scaleX(0); transform-origin: left center; background: var(--gold-band); }
.hp-tab[aria-current="true"] .hp-tab__name, .hp-tab:hover .hp-tab__name { color: var(--navy); }
.hp-tab[aria-current="true"] .hp-tab__bar::after { animation: hp-bar var(--hold, 7000ms) linear forwards; }
.hero--projects.is-paused .hp-tab__bar::after { animation-play-state: paused; }
.hp-tab:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }
@keyframes hp-bar { to { transform: scaleX(1); } }

@media (max-width: 1100px) {
  .hero--projects .hero__text { gap: 18px; }
  .hp-panels { flex: none; }
}
@media (max-width: 600px) {
  .hero__text .hp-title { font-size: 2rem; }
  .hp-desc { font-size: 0.98rem; }
  .hp-facts dd { font-size: 0.95rem; }
  .hp-tab__name { font-size: 0.86rem; }
  .hp-tab__sub { display: none; }
  .hp-panel .btn-row .btn { flex: 1 1 auto; }
}
@media (prefers-reduced-motion: reduce) {
  .hp-slide, .hp-slide img, .hp-panel { transition: none !important; transform: none !important; }
  .hp-tab[aria-current="true"] .hp-tab__bar::after { animation: none; transform: scaleX(1); }
}
.no-js .hp-tabs { display: none; }
.hero__text .hp-title { font-size: clamp(2rem, 2.85vw, 3.1rem); text-wrap: balance; }
.hp-tab__name { font-size: 0.92rem; text-wrap: balance; }
/* Giriş alanı biraz daha alçak */
.hero--projects .hero__grid { min-height: max(560px, min(calc(92vh - var(--header-h)), 780px)); }
@supports (height: 1svh) { .hero--projects .hero__grid { min-height: max(560px, min(calc(92svh - var(--header-h)), 780px)); } }
@media (max-width: 1100px) { .hero--projects .hero__grid { min-height: 0; } .hero--projects .hero__media { aspect-ratio: 4 / 2.9; } }

/* Şantiyeden: metin + dikey drone videosu */
.santiye-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 340px); gap: clamp(28px, 5vw, 80px); align-items: center; }
.santiye-split__kicker { margin: 0 0 10px; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold-deep); }
.santiye-split h3 { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.8rem, 2.6vw, 2.5rem); line-height: 1.1; margin: 0 0 16px; }
.santiye-split .muted { max-width: 52ch; font-size: 1.04rem; line-height: 1.6; }
.santiye-split .btn-row { margin-top: 24px; }
.santiye-split .video-tile { width: 100%; }
@media (max-width: 860px) { .santiye-split { grid-template-columns: 1fr; } .santiye-split .video-tile { max-width: 340px; } }

/* Proje sekmeleri: büyük altın numaralı, sade kutular (C) — sıkı ölçüler */
.hp-tabs { border-top: 0; gap: 8px; max-width: 480px; }
.hp-tab { gap: 1px; padding: 8px 11px 9px; border: 1px solid rgba(30, 31, 33, 0.2); background: rgba(255, 255, 255, 0.55); transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease); }
.hp-tab__no { font-family: var(--font-display); font-size: 1.35rem; line-height: 1; font-weight: 400; letter-spacing: 0; color: var(--gold); }
.hp-tab__name { margin-top: 5px; font-size: 0.84rem; line-height: 1.22; color: #4A5563; }
.hp-tab__sub { font-size: 0.72rem; }
.hp-tab__bar { left: -1px; right: -1px; top: -1px; height: 3px; background: rgba(198, 161, 91, 0.22); }
.hp-tab:hover { border-color: rgba(198, 161, 91, 0.6); }
.hp-tab[aria-current="true"] { background: #fff; border-color: var(--gold); box-shadow: 0 8px 20px rgba(17, 34, 55, 0.1); }
.hp-tab[aria-current="true"] .hp-tab__name { color: var(--navy); }
.hp-tab[aria-current="true"] .hp-tab__no { color: var(--gold-deep); }
@media (max-width: 1100px) { .hp-tabs { max-width: none; } }
@media (max-width: 600px) { .hp-tab { padding: 7px 8px 8px; } .hp-tab__no { font-size: 1.15rem; } .hp-tab__name { font-size: 0.78rem; } }