/* =============================================================
   İMAK İNŞAAT — Modern Premium 3D Kurumsal Tema
   Yapı: 1) Değişkenler  2) Reset  3) Yardımcılar
         4) Arka plan  5) Navbar  6) Hero  7) Bölümler
         8) Kartlar  9) Placeholder  10) Footer  11) Responsive
============================================================= */

/* ============ 1) TEMA DEĞİŞKENLERİ ============ */
:root {
  /* === İMAK MARKA RENKLERİ (mevcut siteden alındı) === */
  --brand-red: #d10000;        /* ana kırmızı  rgb(206,0,0)/rgb(209,0,0) */
  --brand-red-bright: #ff2424; /* parlak kırmızı (vurgu/parıltı) */
  --brand-navy: #00285a;       /* lacivert  rgb(0,40,90) */
  --brand-navy-bright: #2f6fbf;/* açık çelik mavi (3D/parıltı için görünür ton) */

  --accent: var(--brand-red);
  --accent-2: var(--brand-navy-bright);
  --accent-grad: linear-gradient(120deg, #ff2d2d, #d10000 50%, #8a0000 120%);
  --navy-grad: linear-gradient(125deg, #013d80, #00285a 55%, #001833 120%);
  --duo-grad: linear-gradient(120deg, #d10000, #7a1530 45%, #00285a 110%);

  /* === Logo renkleri (resmi iMAK logosu) === */
  --logo-red: #d4202a;   /* logo kırmızısı */
  --logo-cut: #ffffff;   /* çapraz beyaz ayraç */

  --radius: 18px;
  --radius-sm: 12px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --container: 1200px;
  --shadow-lg: 0 30px 60px -20px rgba(0,0,0,.55);
  --shadow-sm: 0 8px 24px -10px rgba(0,0,0,.4);
}

/* Koyu tema (varsayılan) */
[data-theme="dark"] {
  --bg: #080b13;          /* hafif lacivert alt tonlu koyu */
  --bg-2: #0c1120;
  --surface: rgba(255,255,255,.04);
  --surface-2: rgba(255,255,255,.06);
  --border: rgba(255,255,255,.09);
  --text: #eef2f7;
  --text-dim: #9aa6b8;
  --glass: rgba(18,23,33,.6);
  /* Koyu zeminde okunabilirlik için lacivert biraz açılır, wordmark beyaz */
  --logo-navy: #24477f;
  --logo-ink: #f3f6fb;
}

/* Açık tema */
[data-theme="light"] {
  --bg: #f4f6fb;
  --bg-2: #ffffff;
  --surface: rgba(15,23,42,.03);
  --surface-2: rgba(15,23,42,.05);
  --border: rgba(15,23,42,.10);
  --text: #0f172a;
  --text-dim: #51607a;
  --glass: rgba(255,255,255,.7);
  /* Açık zeminde orijinal lacivert ve lacivert wordmark */
  --logo-navy: #012a5e;
  --logo-ink: #012a5e;
}

/* ============ 2) RESET ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background .5s var(--ease), color .5s var(--ease);
}
h1,h2,h3 { font-family: 'Sora', sans-serif; line-height: 1.1; letter-spacing: -.02em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
section { position: relative; }

/* ============ 3) YARDIMCILAR ============ */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.grad-text {
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 14px;
}

.glass {
  background: var(--glass);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--border);
}

/* Butonlar */
.btn {
  --pad: 14px 26px;
  display: inline-flex; align-items: center; gap: 10px; justify-content: center;
  padding: var(--pad); border-radius: 100px; font-weight: 600; font-size: .95rem;
  cursor: pointer; border: 1px solid transparent; position: relative;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s;
  white-space: nowrap;
}
.btn--sm { --pad: 10px 18px; font-size: .85rem; }
.btn--lg { --pad: 17px 34px; font-size: 1rem; }
.btn--primary {
  background: var(--accent-grad); color: #fff;
  box-shadow: 0 12px 30px -10px rgba(209,0,0,.6);
}
#ortak_button{
  position: relative;
  top: 2rem;

}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 20px 40px -12px rgba(209,0,0,.75); }
.btn--ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn--ghost:hover { transform: translateY(-3px); border-color: var(--accent); background: var(--surface-2); }
.btn--navy { background: var(--navy-grad); color: #fff; box-shadow: 0 12px 30px -12px rgba(0,40,90,.75); }
.btn--navy:hover { transform: translateY(-3px); box-shadow: 0 20px 42px -14px rgba(0,40,90,.9); }

/* Scroll reveal animasyonu */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ============ 4) ARKA PLAN DEKORU ============ */
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
          mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
  opacity: .5;
}
.bg-glow {
  position: fixed; z-index: -2; width: 50vw; height: 50vw; border-radius: 50%;
  filter: blur(120px); opacity: .35; pointer-events: none;
}
.bg-glow--1 { top: -15%; right: -10%; background: radial-gradient(circle, var(--accent), transparent 65%); }
.bg-glow--2 { bottom: 0; left: -15%; background: radial-gradient(circle, var(--accent-2), transparent 65%); opacity: .25; }

/* ============ PRELOADER ============ */
.preloader {
  position: fixed; inset: 0; z-index: 1000; display: grid; place-content: center; place-items: center; gap: 22px;
  background: var(--bg); transition: opacity .6s var(--ease), visibility .6s;
}
.preloader.is-done { opacity: 0; visibility: hidden; }
.preloader__logo { display: flex; align-items: center; gap: 14px; }
.preloader__logo .brand__logo { width: 56px; height: 56px; }
.preloader__logo .brand__word { font-size: 2.4rem; }
.preloader__bar { width: 180px; height: 4px; border-radius: 4px; background: var(--surface-2); overflow: hidden; }
.preloader__bar span { display: block; height: 100%; width: 40%; background: var(--accent-grad); border-radius: 4px; animation: load 1.1s var(--ease) infinite; }
@keyframes load { 0% { transform: translateX(-120%); } 100% { transform: translateX(360%); } }

/* ============ 5) NAVBAR ============ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 0; transition: padding .4s var(--ease), background .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  padding: 10px 0; background: var(--glass);
  backdrop-filter: blur(16px) saturate(150%); -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-bottom-color: var(--border);
}
.navbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.brand { display: flex; align-items: center; gap: 11px; }
/* Çapraz bölünmüş kare logo işareti (resmi iMAK markası) */
.brand__logo { width: 50px; height: 50px; flex: none; display: block; transition: transform .4s var(--ease); }
.brand:hover .brand__logo { transform: rotate(-4deg) scale(1.05); }
.brand__logo .lg-navy { fill: var(--logo-navy); transition: fill .4s; }
.brand__logo .lg-red  { fill: var(--logo-red); }
.brand__logo .lg-cut  { stroke: var(--logo-cut); stroke-width: 6; }
/* "iMAK®" wordmark */
.brand__word {
  font-family: 'Archivo Black', 'Sora', sans-serif; font-weight: 400; font-size: 1.9rem;
  letter-spacing: -.02em; line-height: 1; color: var(--logo-ink); transition: color .4s;
}
.brand__word sup { font-size: .34em; font-weight: 400; margin-left: 2px; top: -.95em; }

.nav { display: flex; gap: 6px; }
.nav__link {
  position: relative; padding: 8px 16px; font-size: .92rem; font-weight: 500; color: var(--text-dim);
  border-radius: 100px; transition: color .3s, background .3s;
}
.nav__link:hover, .nav__link.active { color: var(--text); background: var(--surface); }

.navbar__actions { display: flex; align-items: center; gap: 12px; }
.theme-toggle {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-content: center;
  background: var(--surface); border: 1px solid var(--border); color: var(--text); cursor: pointer;
  transition: transform .3s, background .3s;
}
.theme-toggle:hover { transform: rotate(20deg); background: var(--surface-2); }
[data-theme="dark"] .icon-sun { display: block; } [data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; } [data-theme="light"] .icon-moon { display: block; }

.hamburger { display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px; border: 1px solid var(--border); background: var(--surface); border-radius: 11px; cursor: pointer; align-items: center; justify-content: center; }
.hamburger span { width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobil menü — TAM EKRAN (full-page) */
.mobile-menu {
  position: fixed; inset: 0; z-index: 99;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  padding: 96px 28px 48px;
  background: var(--glass); backdrop-filter: blur(26px) saturate(140%); -webkit-backdrop-filter: blur(26px) saturate(140%);
  opacity: 0; visibility: hidden;
  transition: opacity .4s var(--ease), visibility .4s;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu__link {
  padding: 12px 22px; border-radius: 12px; font-family: 'Sora', sans-serif;
  font-size: 1.6rem; font-weight: 600; color: var(--text); transition: color .3s, transform .3s;
}
.mobile-menu__link:hover, .mobile-menu__link:active { color: var(--accent); }
.mobile-menu__cta { margin-top: 24px; font-size: 1rem; }
/* Kademeli giriş: linkler açılırken sırayla yukarı belirir */
.mobile-menu__link, .mobile-menu__cta {
  opacity: 0; transform: translateY(14px);
  transition: opacity .45s var(--ease), transform .45s var(--ease), color .3s;
}
.mobile-menu.open .mobile-menu__link,
.mobile-menu.open .mobile-menu__cta { opacity: 1; transform: none; }
.mobile-menu.open .mobile-menu__link:nth-child(1) { transition-delay: .06s; }
.mobile-menu.open .mobile-menu__link:nth-child(2) { transition-delay: .11s; }
.mobile-menu.open .mobile-menu__link:nth-child(3) { transition-delay: .16s; }
.mobile-menu.open .mobile-menu__link:nth-child(4) { transition-delay: .21s; }
.mobile-menu.open .mobile-menu__link:nth-child(5) { transition-delay: .26s; }
.mobile-menu.open .mobile-menu__link:nth-child(6) { transition-delay: .31s; }
.mobile-menu.open .mobile-menu__cta { transition-delay: .36s; }

/* ============ 6) HERO ============ */
.hero { min-height: 100vh; display: flex; align-items: center; padding: 130px 0 60px; }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }

.badge {
  display: inline-flex; align-items: center; gap: 9px; padding: 8px 16px; border-radius: 100px;
  background: var(--surface); border: 1px solid var(--border); font-size: .82rem; color: var(--text-dim); font-weight: 500;
}
.badge__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(209,0,0,.25); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 8px rgba(209,0,0,0); } }

.hero__title { font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 800; margin: 22px 0 18px; }
.hero__lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--text-dim); max-width: 460px; margin-bottom: 32px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero__stats { display: flex; gap: 34px; margin-top: 46px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
/* Sayı + işaret (+/%) tek satırda yan yana durur */
.stat__value { display: inline-flex; align-items: baseline; white-space: nowrap; }
.stat__num { font-family: 'Sora'; font-size: 2.2rem; font-weight: 800; display: inline; }
.stat__plus { font-family: 'Sora'; font-size: 1.6rem; font-weight: 700; color: var(--accent); vertical-align: top; }
.stat small { color: var(--text-dim); font-size: .82rem; margin-top: 2px; }

/* Hero 3D görsel */
.hero__visual { position: relative; }
.hero__canvas-wrap {
  position: relative; aspect-ratio: 1/1; width: 100%; border-radius: 28px;
  background: radial-gradient(circle at 50% 40%, var(--surface-2), transparent 70%);
}
#heroCanvas { width: 100%; height: 100%; display: block; }
.hero__visual-caption {
  position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 100px;
  font-size: .78rem; color: var(--text-dim); white-space: nowrap;
}
.pulse-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--brand-red); animation: pulse 1.6s infinite; }

/* CSS 3D yedek (WebGL yoksa) */
.css3d-fallback {
  position: absolute; inset: 0; display: none; place-content: center; perspective: 900px;
}
.no-webgl #heroCanvas { display: none; }
.no-webgl .css3d-fallback { display: grid; }
.css3d-layer {
  position: absolute; width: 220px; height: 220px; border-radius: 20px;
  transform-style: preserve-3d; transform: rotateX(58deg) rotateZ(45deg) translateZ(var(--z));
  border: 1px solid var(--border); animation: floatLayer 6s ease-in-out infinite;
}
.css3d-layer.l1 { --z: 60px; background: linear-gradient(135deg, var(--brand-red-bright), var(--brand-red)); }
.css3d-layer.l2 { --z: 20px; background: var(--surface-2); animation-delay: .3s; }
.css3d-layer.l3 { --z: -20px; background: var(--surface); animation-delay: .6s; }
.css3d-layer.l4 { --z: -60px; background: var(--accent-2); opacity: .5; animation-delay: .9s; }
@keyframes floatLayer { 50% { transform: rotateX(58deg) rotateZ(45deg) translateZ(calc(var(--z) + 18px)); } }

/* Scroll ipucu */
.scroll-hint { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); width: 26px; height: 42px; border: 2px solid var(--border); border-radius: 100px; display: grid; place-items: start center; padding-top: 8px; }
.scroll-hint span { width: 4px; height: 8px; background: var(--accent); border-radius: 4px; animation: scrolldot 1.8s infinite; }
@keyframes scrolldot { 0% { transform: translateY(0); opacity: 1; } 80% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }

/* ============ 7) BÖLÜMLER ============ */
.section { padding: 110px 0; }
.section--alt { background: var(--bg-2); border-block: 1px solid var(--border); }
/* Referanslar bölümüne lacivert parıltı (koyu temada belirgin) */
[data-theme="dark"] .section--alt {
  background:
    radial-gradient(85% 130% at 50% -25%, rgba(0,62,135,.40), transparent 60%),
    var(--bg-2);
}
.section__head { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.section__title { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 700; }
.section__sub { color: var(--text-dim); margin-top: 16px; font-size: 1.05rem; }



/* ============ 8) KARTLAR ============ */
/* Faaliyet alanları (4 kart) */
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.svc-card {
  position: relative; padding: 30px 26px; border-radius: var(--radius); overflow: hidden;
  background: var(--surface); border: 1px solid var(--border);
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
  transform-style: preserve-3d;
}
.svc-card::before {
  content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity .4s;
  background: radial-gradient(400px circle at var(--mx,50%) var(--my,0%), rgba(209,0,0,.16), transparent 60%);
}
.svc-card:hover { transform: translateY(-8px); border-color: var(--accent); box-shadow: var(--shadow-lg); }
.svc-card:hover::before { opacity: 1; }
.svc-card__icon {
  width: 70px; height: 70px; border-radius: 18px; display: grid; place-content: center; margin-bottom: 22px;
  color: var(--accent); background: var(--surface-2); border: 1px solid var(--border);
  transition: transform .4s var(--ease);
}
.svc-card:hover .svc-card__icon { transform: translateZ(30px) scale(1.06); background: var(--navy-grad); color: #fff; border-color: transparent; box-shadow: 0 14px 30px -10px rgba(0,40,90,.8); }
.svc-card h3 { font-size: 1.25rem; margin-bottom: 10px; }
.svc-card p { color: var(--text-dim); font-size: .92rem; }
.svc-card__arrow { position: absolute; top: 26px; right: 26px; color: var(--accent); font-size: 1.3rem; opacity: 0; transform: translateX(-6px); transition: .4s; }
.svc-card:hover .svc-card__arrow { opacity: 1; transform: none; }

/* Zemin kaplama yatay kaydırma */
.floor-scroll {
  overflow-x: auto; padding: 14px 4px 30px; scroll-snap-type: x mandatory;
  /* Firefox özel kaydırma çubuğu (marka kırmızısı) */
  scrollbar-width: thin;
  scrollbar-color: var(--accent) rgba(255,255,255,.08);
}
/* WebKit (Chrome/Edge/Safari) özel kaydırma çubuğu */
.floor-scroll::-webkit-scrollbar { height: 10px; }
.floor-scroll::-webkit-scrollbar-track {
  background: rgba(255,255,255,.07);
  border-radius: 100px; margin: 0 6px;
}
.floor-scroll::-webkit-scrollbar-thumb {
  background: var(--accent-grad); border-radius: 100px;
  /* Şeffaf kenarlık + padding-box ile ray içinde ince/oturmuş görünüm */
  border: 2px solid transparent; background-clip: padding-box;
  transition: background .3s;
}
.floor-scroll::-webkit-scrollbar-thumb:hover {
  /* Hover'da kırmızıdan laciverte marka geçişi */
  background: linear-gradient(120deg, #ff3a3a, #d10000 55%, #00285a 130%);
  background-clip: padding-box;
}
.floor-track { display: flex; gap: 22px; width: max-content; }
.floor-card {
  scroll-snap-align: center; width: 300px; border-radius: var(--radius); overflow: hidden;
  background: var(--surface); border: 1px solid var(--border);
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.floor-card:hover { transform: translateY(-8px) scale(1.02); border-color: var(--c); box-shadow: var(--shadow-lg); }
/* 3D katman görseli */
.floor-card__layers {
  height: 170px; display: grid; place-content: center; perspective: 700px;
  background: linear-gradient(160deg, var(--surface-2), transparent);
}
.floor-card__layers span {
  display: block; width: 180px; height: 26px; border-radius: 7px; margin: -7px auto;
  transform: rotateX(60deg) rotateZ(-38deg); transition: transform .5s var(--ease);
  box-shadow: 0 10px 20px -8px rgba(0,0,0,.5);
}
.floor-card__layers span:nth-child(1) { background: var(--c); }
.floor-card__layers span:nth-child(2) { background: color-mix(in srgb, var(--c) 55%, #ffffff10); }
.floor-card__layers span:nth-child(3) { background: var(--surface-2); border: 1px solid var(--border); }
.floor-card:hover .floor-card__layers span:nth-child(1) { transform: rotateX(60deg) rotateZ(-38deg) translateZ(26px); }
.floor-card:hover .floor-card__layers span:nth-child(2) { transform: rotateX(60deg) rotateZ(-38deg) translateZ(10px); }
.floor-card__body { padding: 22px 24px 26px; }
.floor-card__body h3 { font-size: 1.15rem; margin-bottom: 8px; }
.floor-card__body p { color: var(--text-dim); font-size: .9rem; }
.floor-hint { text-align: center; color: var(--text-dim); font-size: .85rem; margin-top: 6px; }

/* Kartlar tıklanabilir + "Galeriyi Gör" ipucu */
.floor-card { cursor: pointer; }
.floor-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
/* Faaliyet Alanları kartları da tıklanınca galeri açar */
.svc-card { cursor: pointer; }
.svc-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.floor-card__body::after {
  content: 'Galeriyi Gör \2192'; /* → */
  display: inline-flex; align-items: center; margin-top: 14px;
  font-size: .8rem; font-weight: 600; letter-spacing: .02em; color: var(--c);
  opacity: .85; transition: gap .3s, opacity .3s, transform .3s;
}
.floor-card:hover .floor-card__body::after { opacity: 1; transform: translateX(3px); }

/* ============ ZEMİN KAPLAMA SİSTEM SEÇİCİ (picker modal) ============ */
.picker {
  position: fixed; inset: 0; z-index: 1250; display: grid; place-items: center; padding: 20px;
  opacity: 0; visibility: hidden; transition: opacity .35s var(--ease), visibility .35s;
}
.picker.open { opacity: 1; visibility: visible; }
.picker__backdrop { position: absolute; inset: 0; background: rgba(4,8,18,.72); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.picker__panel {
  position: relative; z-index: 1; width: min(1000px, 100%); max-height: 90vh; overflow-y: auto;
  background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding-bottom: 28px;
  transform: translateY(18px) scale(.97); transition: transform .4s var(--ease);
}
.picker.open .picker__panel { transform: none; }
.picker__head {
  position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 18px 24px; border-bottom: 1px solid var(--border); background: var(--bg-2);
}
.picker__title { font-size: 1.35rem; }
.picker__close {
  width: 42px; height: 42px; border-radius: 50%; flex: none; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font-size: 1.6rem; line-height: 1; transition: background .3s, transform .3s;
}
.picker__close:hover { background: var(--surface-2); transform: rotate(90deg); }
.picker__sub { color: var(--text-dim); font-size: .95rem; padding: 18px 24px 2px; }
.picker__grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; padding: 18px 24px 0;
}
.picker__grid .floor-card { width: auto; }   /* genişliği grid belirler */

/* ============ ZEMİN ÇÖZÜM GALERİSİ (pop-up lightbox) ============ */
.gallery {
  position: fixed; inset: 0; z-index: 1300; display: grid; place-items: center; padding: 20px;
  opacity: 0; visibility: hidden; transition: opacity .35s var(--ease), visibility .35s;
}
.gallery.open { opacity: 1; visibility: visible; }
.gallery__backdrop { position: absolute; inset: 0; background: rgba(4,8,18,.72); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.gallery__panel {
  position: relative; z-index: 1; width: min(940px, 100%); max-height: 90vh; overflow-y: auto;
  background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); transform: translateY(18px) scale(.97); transition: transform .4s var(--ease);
}
.gallery.open .gallery__panel { transform: none; }
.gallery__head {
  position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 18px 24px; border-bottom: 1px solid var(--border); background: var(--bg-2);
}
.gallery__title { font-size: 1.3rem; }
.gallery__close {
  width: 42px; height: 42px; border-radius: 50%; flex: none; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font-size: 1.6rem; line-height: 1; transition: background .3s, transform .3s;
}
.gallery__close:hover { background: var(--surface-2); transform: rotate(90deg); }
.gallery__stage { position: relative; display: grid; place-items: center; padding: 22px; }
.gallery__figure {
  width: 100%; min-height: 240px; max-height: 64vh; border-radius: var(--radius-sm); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-2); border: 1px solid var(--border);
  cursor: zoom-in;  /* tıklayınca 2. katman (tam ekran) açılır */
}
/* Kutu fotoğrafa uyar: fotoğrafın TAMAMI görünür, kırpma yok (contain) */
.gallery__figure img { max-width: 100%; max-height: 64vh; width: auto; height: auto; object-fit: contain; display: block; }
.gallery__nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; z-index: 3;
  border-radius: 50%; border: 1px solid var(--border); background: var(--glass); color: var(--text);
  font-size: 1.7rem; line-height: 1; cursor: pointer; display: grid; place-items: center;
  transition: background .3s, color .3s, transform .3s;
}
.gallery__nav:hover { background: var(--accent); color: #fff; border-color: transparent; }
.gallery__nav--prev { left: 32px; } .gallery__nav:hover.gallery__nav--prev { transform: translateY(-50%) scale(1.08); }
.gallery__nav--next { right: 32px; } .gallery__nav:hover.gallery__nav--next { transform: translateY(-50%) scale(1.08); }
.gallery__meta { text-align: center; color: var(--text-dim); font-size: .85rem; padding-bottom: 6px; }
.gallery__thumbs { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; padding: 6px 22px 24px; }
.gallery__thumb {
  width: 86px; height: 60px; border-radius: 8px; overflow: hidden; cursor: pointer; flex: none;
  border: 2px solid transparent; background: var(--surface-2); color: var(--text-dim);
  font-size: .8rem; font-weight: 600; display: grid; place-items: center; transition: border-color .3s, transform .3s;
}
.gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery__thumb:hover { transform: translateY(-2px); }
.gallery__thumb.active { border-color: var(--accent); }
/* Fotoğraf henüz yokken görünen placeholder */
.gallery__ph {
  width: 100%; min-height: 300px; display: grid; place-content: center; gap: 10px; text-align: center; padding: 20px;
  color: var(--text-dim); font-size: .95rem; font-weight: 500;
  background: repeating-linear-gradient(45deg, var(--surface) 0 16px, transparent 16px 32px), var(--surface-2);
}
.gallery__ph code { font-size: .8rem; color: var(--text); background: var(--surface-2); border: 1px solid var(--border); padding: 4px 10px; border-radius: 6px; }

@media (max-width: 620px) {
  .gallery__nav--prev { left: 12px; } .gallery__nav--next { right: 12px; }
  .gallery__nav { width: 40px; height: 40px; }
  .gallery__stage { padding: 16px; }
}

/* ============ 2. KATMAN — TAM EKRAN ZOOM ============ */
.gzoom {
  position: fixed; inset: 0; z-index: 1400; display: grid; place-items: center; padding: 30px;
  background: rgba(0,0,0,.92); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  opacity: 0; visibility: hidden; transition: opacity .3s var(--ease), visibility .3s; cursor: zoom-out;
}
.gzoom.open { opacity: 1; visibility: visible; }
.gzoom__stage { max-width: 96vw; max-height: 86vh; display: grid; place-items: center; }
.gzoom__stage img {
  max-width: 96vw; max-height: 86vh; object-fit: contain; border-radius: 8px;
  box-shadow: 0 40px 90px -20px #000; animation: zoomIn .35s var(--ease) both;
}
@keyframes zoomIn { from { transform: scale(.94); opacity: 0; } to { transform: scale(1); opacity: 1; } }
/* Foto yokken zoom içinde büyük placeholder */
.gzoom__stage .gallery__ph { min-width: min(70vw, 720px); min-height: 46vh; border-radius: 10px; }
.gzoom__close {
  position: absolute; top: 20px; right: 24px; width: 48px; height: 48px; border-radius: 50%; z-index: 2;
  border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.08); color: #fff;
  font-size: 1.7rem; line-height: 1; cursor: pointer; transition: background .3s, transform .3s;
}
.gzoom__close:hover { background: rgba(255,255,255,.2); transform: rotate(90deg); }
.gzoom__nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; z-index: 2;
  border-radius: 50%; border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.08); color: #fff;
  font-size: 1.9rem; line-height: 1; cursor: pointer; display: grid; place-items: center;
  transition: background .3s, transform .3s;
}
.gzoom__nav:hover { background: var(--accent); border-color: transparent; }
.gzoom__nav--prev { left: 24px; } .gzoom__nav--next { right: 24px; }
.gzoom__counter {
  position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  color: #fff; font-size: .9rem; font-weight: 500; letter-spacing: .04em;
  background: rgba(255,255,255,.1); padding: 6px 14px; border-radius: 100px;
}
@media (max-width: 620px) {
  .gzoom__nav { width: 44px; height: 44px; } .gzoom__nav--prev { left: 10px; } .gzoom__nav--next { right: 10px; }
  .gzoom__close { top: 12px; right: 14px; }
}

/* ============ 4) HAKKIMIZDA ============ */
.about__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
.about__visual { position: relative; }
.layer-stack { perspective: 1100px; display: grid; place-content: center; min-height: 360px; }
.layer-stack__item {
  width: 300px; height: 70px; margin: -16px auto; border-radius: 14px;
  background: var(--surface); border: 1px solid var(--border);
  display: flex; align-items: center; padding-left: 24px; color: var(--text-dim); font-weight: 500; font-size: .9rem;
  transform: rotateX(56deg) rotateZ(-40deg) translateZ(calc(var(--i) * 26px));
  box-shadow: 0 16px 30px -16px rgba(0,0,0,.6);
  transition: transform .6s var(--ease); animation: floatStack 7s ease-in-out infinite;
  animation-delay: calc(var(--i) * .2s);
}
.layer-stack__item:first-child { background: var(--accent-grad); color: #fff; }
.about__visual:hover .layer-stack__item { transform: rotateX(56deg) rotateZ(-40deg) translateZ(calc(var(--i) * 40px)) translateX(-10px); }
@keyframes floatStack { 50% { margin-top: -22px; } }

.about__lead { font-size: 1.15rem; color: var(--text-dim); margin: 18px 0 26px; }
.about__list { display: grid; gap: 16px; margin-bottom: 34px; }
.about__list li { display: flex; gap: 12px; align-items: flex-start; }
.about__list svg { color: var(--accent); flex-shrink: 0; margin-top: 3px; }
.about__list strong { color: var(--text); }

/* ============ 5) REFERANSLAR ============ */
.ref-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 220px; gap: 18px; }
.ref-item { border-radius: var(--radius); overflow: hidden; position: relative; }
.ref-item--tall { grid-row: span 2; }
.ref-item--wide { grid-column: span 2; }
/* Proje fotoğrafları hücreyi doldurur, hover'da hafif yakınlaşır */
.ref-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s var(--ease); }
.ref-item:hover img { transform: scale(1.06); }

.ref-logos__title { text-align: center; margin: 70px 0 30px; font-size: 1.5rem; }
/* ===== ÇÖZÜM ORTAKLARI ŞERİDİ (otomatik + manuel kaydırma) ===== */
.partners {
  overflow-x: auto; overflow-y: hidden; margin-top: 8px; padding: 6px 0;
  cursor: grab; touch-action: pan-x;
  /* Kenarlarda yumuşak solma */
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  scrollbar-width: none;          /* Firefox: çubuğu gizle */
}
.partners::-webkit-scrollbar { display: none; }  /* WebKit: çubuğu gizle */
.partners.dragging { cursor: grabbing; }
.partners.dragging .partner { pointer-events: none; } /* sürüklerken yanlış tık engelle */

.partners__track { display: flex; gap: 18px; width: max-content; }

.partner {
  flex: 0 0 auto; width: 196px; height: 92px; padding: 16px 22px;
  border-radius: var(--radius-sm); display: grid; place-content: center;
  /* Marka logoları beyaz fayans üzerinde her temada net görünür */
  background: #fff; border: 1px solid var(--border); user-select: none;
  box-shadow: 0 6px 18px -12px rgba(0,0,0,.6);
  transition: border-color .3s, transform .3s, box-shadow .3s;
}
.partner:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 16px 30px -14px rgba(0,0,0,.55); }
/* TÜM logolar aynı optik yüksekliğe sabitlenir (yükseklik-bazlı normalizasyon).
   Böylece kare ve geniş logolar eşit yükseklikte hizalanır; sadece genişlik değişir. */
.partner img {
  max-height: 48px; max-width: 100%; width: auto; height: auto;
  object-fit: contain; pointer-events: none; -webkit-user-drag: none;
}

.partners__hint { text-align: center; color: var(--text-dim); font-size: .82rem; margin-top: 16px; }

/* Şeridin altındaki "Tüm Referanslar" butonu */
.partners__all { text-align: center; margin-top: 26px; }

/* ===== REFERANSLAR SAYFASI ===== */
.page-hero { padding: 150px 0 30px; text-align: center; }
.page-hero .section__sub { max-width: 620px; margin-left: auto; margin-right: auto; }
/* Tüm logoların statik grid'i (logo duvarı) */
.logo-wall {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px;
}
.logo-wall .partner { width: auto; }   /* genişliği grid hücresi belirler */

/* ============ 6) İLETİŞİM ============ */
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: stretch; }
.contact__lead { color: var(--text-dim); margin: 16px 0 30px; font-size: 1.05rem; }
.contact__list { display: grid; gap: 14px; margin-bottom: 30px; }
.contact__list li { display: flex; align-items: center; gap: 16px; padding: 18px 20px; border-radius: var(--radius-sm); transition: transform .3s, border-color .3s; }
.contact__list li:hover { transform: translateX(6px); border-color: var(--accent); }
.contact__ico { width: 46px; height: 46px; border-radius: 12px; display: grid; place-content: center; color: var(--accent); background: var(--surface-2); flex-shrink: 0; }
.contact__list small { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; color: var(--text-dim); }
.contact__list a, .contact__list span { font-weight: 600; font-size: 1rem; }
.contact__map {
  border-radius: var(--radius); overflow: hidden; margin-top: 40px;
  border: 1px solid var(--border); box-shadow: var(--shadow-lg);
}
.contact__map iframe {
  display: block; width: 100%; height: 460px; border: 0;
  filter: grayscale(.2); transition: filter .5s var(--ease);   /* temada dinginleşir */
}
.contact__map:hover iframe { filter: none; }                    /* hover'da tam renkli */
@media (max-width: 720px) { .contact__map iframe { height: 340px; } }

/* ===== HIZLI TEKLİF FORMU (Netlify) ===== */
.quote-form { padding: 30px; border-radius: var(--radius); display: grid; gap: 16px; align-content: start; }
.quote-form__title { font-size: 1.3rem; margin-bottom: 2px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 7px; }
.field > span { font-size: .82rem; font-weight: 500; color: var(--text-dim); }
.field > span i { color: var(--accent); font-style: normal; }
.field input,
.field select,
.field textarea {
  width: 100%; padding: 13px 15px; border-radius: var(--radius-sm);
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  font-family: inherit; font-size: .95rem;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input::placeholder,
.field textarea::placeholder { color: var(--text-dim); opacity: .55; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(209,0,0,.18); background: var(--surface);
}
/* Özel select oku */
.field select {
  appearance: none; -webkit-appearance: none; cursor: pointer; padding-right: 38px;
  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 fill='%239aa6b8' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 15px center;
}
.quote-form__submit { width: 100%; margin-top: 6px; }
/* Gönderim sonucu mesajı */
.form-status { font-size: .9rem; font-weight: 500; margin: 0; min-height: 1.2em; }
.form-status.is-success { color: #16a34a; }
.form-status.is-error { color: var(--accent); }
/* Honeypot alanı tamamen gizli */
.hp { position: absolute !important; left: -9999px !important; height: 0; overflow: hidden; }
/* reCAPTCHA widget boşluğu */
.quote-form [data-netlify-recaptcha] { margin-top: 2px; }

/* ===== BAŞARI POP-UP'I ===== */
.popup {
  position: fixed; inset: 0; z-index: 1200; display: grid; place-items: center; padding: 20px;
  background: rgba(4,8,18,.62); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden; transition: opacity .35s var(--ease), visibility .35s;
}
.popup.open { opacity: 1; visibility: visible; }
.popup__card {
  width: min(360px, 100%); text-align: center; padding: 36px 28px 30px;
  border-radius: var(--radius); background: var(--bg-2); border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  transform: translateY(18px) scale(.95); transition: transform .4s var(--ease);
}
.popup.open .popup__card { transform: none; }
.popup__icon {
  width: 66px; height: 66px; margin: 0 auto 18px; border-radius: 50%;
  display: grid; place-content: center; color: #fff;
  background: linear-gradient(135deg, #16a34a, #22c55e);
  box-shadow: 0 14px 32px -8px rgba(22,163,74,.6);
}
.popup.open .popup__icon svg { animation: pop-check .5s var(--ease) both .15s; }
@keyframes pop-check { from { transform: scale(0) rotate(-20deg); } to { transform: scale(1) rotate(0); } }
.popup__title { font-size: 1.35rem; margin-bottom: 8px; }
.popup__text { color: var(--text-dim); font-size: .95rem; margin-bottom: 24px; }
.popup__close { width: 100%; }

/* ============ 9) PLACEHOLDER ALANLARI ============ */
.ph {
  width: 100%; height: 100%; min-height: 120px; display: grid; place-content: center; text-align: center;
  padding: 20px; gap: 8px; color: var(--text-dim); font-size: .9rem; font-weight: 500;
  background:
    repeating-linear-gradient(45deg, var(--surface) 0 14px, transparent 14px 28px),
    var(--surface-2);
  border: 2px dashed var(--border); border-radius: var(--radius);
  transition: border-color .3s, color .3s;
}
.ph:hover { border-color: var(--accent); color: var(--text); }
.ph--badge { position: absolute; bottom: -14px; left: 50%; transform: translateX(-50%); width: max-content; min-height: 0;  font-size: .8rem; border-radius: 100px; }
.ph--project { font-size: 1rem; }
.ph--logo { min-height: 0; font-size: .82rem; border-style: dashed; }
.ph--map { font-size: 1rem; }

.imak_bina{
border-radius: 1.5rem;
}

.imak_bina:hover{
  border: 2px solid var(--brand-red);
  box-shadow: var(--shadow-lg);
}

/* ============ 10) FOOTER ============ */
.footer { border-top: 1px solid var(--border); background: var(--bg-2); padding-top: 60px; }
.footer__inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 40px; }
.footer__brand p { color: var(--text-dim); margin-top: 14px; max-width: 280px; font-size: .92rem; }
.footer__nav { display: flex; gap: 26px; flex-wrap: wrap; align-items: center; }
.footer__nav a { color: var(--text-dim); font-size: .92rem; transition: color .3s; }
.footer__nav a:hover { color: var(--accent); }
.footer__bottom { border-top: 1px solid var(--border); padding: 22px 0; text-align: center; color: var(--text-dim); font-size: .85rem; }

.logo{
  position: relative;
  width: 14rem;
  top: 0.5rem;
  
}

.logo_loader{
  width: 14rem;
  max-width: 70vw;   /* küçük ekranlarda taşmasın */
  display: block;
}
.sika{
  position: relative;
  width: 3rem;
  left: 2rem;
}
/* ============ 11) RESPONSIVE ============ */
@media (max-width: 1024px) {
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { order: -1; max-width: 440px; margin: 0 auto; }
  .about__grid, .contact__grid { grid-template-columns: 1fr; }
  .about__visual { order: -1; }
 
}

@media (max-width: 720px) {
  .nav, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .section { padding: 80px 0; }
  .cards-4 { grid-template-columns: 1fr; }
  .ref-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 170px; }
  .ref-item--wide { grid-column: span 2; }
  .ref-item--tall { grid-row: span 1; }
  .hero__stats { gap: 24px; }
  .stat__num { font-size: 1.8rem; }
  .footer__inner { flex-direction: column; }
  /* Mobil navbar: brand solda; tema+hamburger+Sika sağda grup (Sika taşmasın) */
  .navbar__actions { margin-left: auto; gap: 10px; }
  .sika { left: 0; width: 2rem; }
}

@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
  .quote-form { padding: 22px; }
}
  

@media (max-width: 460px) {
  .container { padding: 0 18px; }
  .ref-grid { grid-template-columns: 1fr; }
  .partner { width: 170px; height: 84px; padding: 14px 18px; }
}

/* =============================================================
   12) LACİVERT BÖLÜM  (her iki temada da koyu lacivert kalır)
   Değişkenleri yerel olarak ezerek içindeki tüm bileşenleri
   otomatik açık-üstü-koyu bağlama uyarlar.
============================================================= */
.section--navy {
  --text: #eaf1fb;
  --text-dim: #a9c0de;
  --surface: rgba(255,255,255,.05);
  --surface-2: rgba(255,255,255,.08);
  --border: rgba(255,255,255,.12);
  --glass: rgba(2,18,42,.55);
  background: var(--navy-grad);
  color: var(--text);
  border-block: 1px solid rgba(255,255,255,.08);
  overflow: hidden;
}
/* Lacivert bölümün üstünde ince kırmızı vurgu çizgisi */
.section--navy::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent-grad); opacity: .9;
}
/* Dekoratif kayan kırmızı parıltı */
.section--navy::after {
  content: ''; position: absolute; width: 60vw; height: 60vw; top: -30%; right: -20%;
  background: radial-gradient(circle, rgba(209,0,0,.18), transparent 60%);
  pointer-events: none;
}

/* =============================================================
   13) KAYAN YAZI ŞERİDİ (marquee) — lacivert zemin
============================================================= */
.marquee {
  --text: #eaf1fb; --text-dim: #7f9ec4;
  overflow: hidden; padding: 18px 0; background: var(--navy-grad);
  border-block: 1px solid rgba(255,255,255,.08); position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee__track { display: flex; width: max-content; animation: marquee 30s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  display: inline-flex; align-items: center; white-space: nowrap;
  font-family: 'Sora', sans-serif; font-weight: 700; letter-spacing: .03em;
  font-size: clamp(1.05rem, 2.4vw, 1.7rem); text-transform: uppercase; color: var(--text);
}
.marquee__item b { font-weight: 700; }
.marquee__star { color: var(--accent); margin: 0 26px; font-size: .8em; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* =============================================================
   14) CTA BANDI + ANİMASYONLU İNŞAAT SİLUETİ
============================================================= */
.cta-band {
  --text: #eaf1fb; --text-dim: #a9c0de;
  position: relative; overflow: hidden; padding: 90px 0 0;
  background: var(--navy-grad); color: var(--text); text-align: center;
  border-top: 1px solid rgba(255,255,255,.08);
}
.cta-band__inner { position: relative; z-index: 2; padding-bottom: 40px; }
.cta-band h2 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; margin-bottom: 16px; }
.cta-band p { color: var(--text-dim); max-width: 520px; margin: 0 auto 30px; font-size: 1.08rem; }

/* Animasyonlu gökyüzü/siluet katmanı */
.skyline { position: relative; z-index: 1; display: block; width: 100%; height: auto; margin-top: 20px; }

/* Yükselen binalar */
.sky-b { transform-box: fill-box; transform-origin: bottom center; animation: skyRise 1.3s var(--ease) both; }
@keyframes skyRise { from { transform: scaleY(0); opacity: 0; } to { transform: scaleY(1); opacity: 1; } }

/* Yanıp sönen pencereler */
.sky-win { animation: twinkle 3.4s steps(1, end) infinite; }
@keyframes twinkle { 0%, 100% { opacity: .25; } 45% { opacity: 1; } }

/* Vincin hafif rüzgâr salınımı */
.sky-crane { transform-box: fill-box; transform-origin: bottom center; animation: sway 6s ease-in-out infinite alternate; }
@keyframes sway { from { transform: rotate(-1.4deg); } to { transform: rotate(1.4deg); } }

/* Vinç kancasındaki yükün inip kalkması */
.sky-load { animation: hoist 5s ease-in-out infinite alternate; }
@keyframes hoist { from { transform: translateY(0); } to { transform: translateY(34px); } }

/* Sürüklenen bulutlar */
.sky-cloud { animation: drift 30s linear infinite; opacity: .5; }
.sky-cloud--2 { animation-duration: 44s; animation-delay: -10s; opacity: .35; }
@keyframes drift { from { transform: translateX(-160px); } to { transform: translateX(1360px); } }

/* =============================================================
   15) YENİ BÖLÜMLER İÇİN RESPONSIVE
============================================================= */
@media (max-width: 720px) {
  .cta-band { padding-top: 64px; }
  .marquee__star { margin: 0 16px; }
}

/* Erişilebilirlik: hareketi azalt.
   Not: Marquee, inşaat silueti, nabız gibi SÜREKLİ dekoratif animasyonlar
   markanın bir parçası olduğu için korunur. Yalnızca smooth-scroll ve büyük
   giriş (reveal) kaymaları sadeleştirilir; bu da hareket hassasiyeti olan
   kullanıcılar için ani büyük sıçramaları önler. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transition-duration: .001ms !important; transform: none !important; }
}