/* =========================================================================
   ALTUN İnşaat - ana stil dosyası
   Açık & ferah krem-beyaz zemin, altın (gold) vurgu, sıcak kömür metin.
   Koyu tema [data-theme="dark"] ile.
   ========================================================================= */

:root {
  /* Altın paleti */
  --gold: #a87f33;          /* metin/çizgi için koyu altın (kontrastlı) */
  --gold-bright: #c9a24e;   /* dolgu/aksan */
  --gold-soft: #f3ead4;     /* açık altın tint zemin */
  --gold-line: #e3d4a8;     /* ince ayraç */

  /* İkincil aksan: logodaki çelik mavisi */
  --steel: #2f7cb8;
  --steel-deep: #0e3a64;
  --steel-soft: #eaf3fa;
  --steel-line: #cfe3f2;

  /* Kömür / ink (sıcak koyu) */
  --ink: #1c1813;
  --ink-700: #2c2620;

  --bg: #ffffff;
  --bg-alt: #faf7f0;        /* sıcak krem */
  --bg-elev: #ffffff;
  --text: #211d17;
  --text-soft: #5d564c;
  --text-mute: #8d857a;
  --border: #ece5d6;        /* sıcak hairline */
  --border-strong: #ddd2bd;

  --shadow-sm: 0 1px 2px rgba(28, 24, 19, 0.05), 0 2px 8px rgba(28, 24, 19, 0.04);
  --shadow: 0 6px 24px rgba(28, 24, 19, 0.08);
  --shadow-lg: 0 24px 60px rgba(28, 24, 19, 0.14);

  --radius: 6px;
  --radius-sm: 4px;
  --radius-lg: 10px;
  --container: 1200px;
  --header-h: 88px;

  --ff-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --ff-head: 'Fraunces', Georgia, 'Times New Roman', serif;

  --t-fast: 0.18s ease;
  --t: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --gold: #d4ad5c;
  --gold-bright: #e0bd72;
  --gold-soft: #2a2417;
  --gold-line: #4a3f24;

  --steel: #5aa6de;
  --steel-deep: #8fc6ee;
  --steel-soft: #15283b;
  --steel-line: #27425c;

  --ink: #0f0d0a;
  --ink-700: #1a1712;

  --bg: #15120d;
  --bg-alt: #1d1912;
  --bg-elev: #201b14;
  --text: #ece5d8;
  --text-soft: #b6ad9d;
  --text-mute: #7d7567;
  --border: #322b20;
  --border-strong: #43392a;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.35);
  --shadow: 0 8px 28px rgba(0,0,0,.45);
  --shadow-lg: 0 24px 60px rgba(0,0,0,.55);
}

/* --- Reset / temel --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ff-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16.5px;
  font-feature-settings: "cv05" 1;
  display: flex; flex-direction: column; min-height: 100vh;
  transition: background var(--t), color var(--t);
}
main { flex: 1 0 auto; }
img { max-width: 100%; display: block; }
a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--ink); }

h1, h2, h3, h4 {
  font-family: var(--ff-head); line-height: 1.12; color: var(--text);
  margin: 0 0 .5em; font-weight: 600; letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.4rem, 5.2vw, 4rem); font-weight: 500; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); font-weight: 500; }
h3 { font-size: 1.35rem; font-weight: 600; }
p { margin: 0 0 1rem; color: var(--text-soft); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.section { padding: 96px 0; }
.alt-bg { background: var(--bg-alt); }
.muted { color: var(--text-mute); }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: 10px 16px; z-index: 200; }
.skip-link:focus { left: 0; }

/* --- Kicker / eyebrow: altın küçük çizgili etiket --- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--ff-body); font-weight: 600; font-size: .78rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 1.1rem;
}
.eyebrow::before { content: ''; width: 34px; height: 1px; background: var(--gold-bright); display: inline-block; }

/* Editoryal sol hizalı başlık bloğu */
.section-head { max-width: 620px; margin: 0 0 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head h2 { margin: 0; }

.center-cta { text-align: center; margin-top: 56px; }

/* --- Buttons: keskin köşeli, mimari --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  font-family: var(--ff-body); font-weight: 600; font-size: .95rem; letter-spacing: .01em;
  padding: 14px 28px; border-radius: var(--radius-sm); border: 1.5px solid transparent;
  cursor: pointer; transition: all var(--t-fast); text-decoration: none; line-height: 1;
}
.btn-primary { background: var(--gold-bright); color: var(--ink); border-color: var(--gold-bright); }
.btn-primary:hover { background: var(--gold); border-color: var(--gold); color: #fff; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.btn-outline:hover { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-dark { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-dark:hover { background: var(--ink-700); color: #fff; }
.btn-light { background: #fff; color: var(--ink); border-color: #fff; }
.btn-light:hover { background: var(--gold-soft); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; }
.btn-danger { background: #b8463c; color: #fff; border-color: #b8463c; }
.btn-danger:hover { background: #9d3a31; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-sm { padding: 8px 16px; font-size: .85rem; }
.btn-block { width: 100%; }
[data-theme="dark"] .btn-outline { color: var(--text); }
[data-theme="dark"] .btn-outline:hover { border-color: var(--gold); color: var(--gold); }

/* =========================================================================
   HEADER
   ========================================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--t-fast), background var(--t);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 20px; }

.brand { display: flex; align-items: center; gap: 13px; text-decoration: none; }
.brand:hover { color: inherit; }
.brand-logo { height: 62px; width: auto; display: block; }
/* Footer koyu zeminde logonun beyaz versiyonu kullanılır (logo-white.png) */
.brand-logo-footer { height: 66px; }
.brand-mark {
  display: grid; place-items: center; width: 44px; height: 44px;
  background: var(--ink); color: var(--gold-bright);
  font-family: var(--ff-head); font-weight: 600; font-size: 1.4rem; flex-shrink: 0;
  border: 1px solid var(--gold-line);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { font-family: var(--ff-head); font-weight: 600; font-size: 1.4rem; color: var(--text); letter-spacing: .04em; }
.brand-text small { font-size: .68rem; color: var(--gold); letter-spacing: .22em; text-transform: uppercase; margin-top: 2px; }

.main-nav { display: flex; gap: 4px; }
.main-nav a {
  position: relative; padding: 10px 16px; color: var(--text-soft); font-weight: 500;
  font-size: .96rem; transition: color var(--t-fast); text-decoration: none;
}
.main-nav a::after {
  content: ''; position: absolute; left: 16px; right: 16px; bottom: 4px; height: 1.5px;
  background: var(--gold-bright); transform: scaleX(0); transform-origin: left; transition: transform var(--t-fast);
}
.main-nav a:hover { color: var(--ink); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.main-nav a.active { color: var(--ink); }
[data-theme="dark"] .main-nav a:hover, [data-theme="dark"] .main-nav a.active { color: var(--text); }

.header-actions { display: flex; align-items: center; gap: 14px; }

.lang-switch { display: flex; align-items: center; gap: 3px; font-size: .82rem; font-weight: 600; color: var(--text-mute); }
.lang-switch a { color: var(--text-mute); padding: 2px 3px; }
.lang-switch a.active { color: var(--gold); }
.lang-switch a:hover { color: var(--ink); }

.theme-toggle {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: transparent; border: 1px solid var(--border-strong); color: var(--text-soft); cursor: pointer;
  transition: all var(--t-fast);
}
.theme-toggle:hover { color: var(--gold); border-color: var(--gold); }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

.hamburger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; background: transparent; border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); cursor: pointer; padding: 0 11px;
}
.hamburger span { display: block; height: 1.5px; background: var(--ink); transition: all var(--t-fast); }
[data-theme="dark"] .hamburger span { background: var(--text); }
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-overlay { position: fixed; inset: 0; background: rgba(28,24,19,.4); z-index: 90; }

/* =========================================================================
   HERO - açık, editoryal
   ========================================================================= */
.hero { position: relative; overflow: hidden; background: var(--bg-alt); border-bottom: 1px solid var(--border); }
.hero-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(720px 380px at 88% 0%, var(--gold-soft), transparent 70%);
}
.hero-bg::after {
  content: ''; position: absolute; right: -120px; top: 50%; transform: translateY(-50%);
  width: 520px; height: 520px; border: 1px solid var(--gold-line); border-radius: 50%;
  opacity: .5;
}
.hero-inner { position: relative; z-index: 1; padding: clamp(72px, 11vw, 132px) 0 clamp(60px, 8vw, 96px); }
.hero-content { max-width: 720px; }
.hero-logo { height: 84px; width: auto; margin-bottom: 28px; display: block; }
.hero h1 { margin-bottom: .35em; }

/* Fotoğraflı hero (public/img/hero.jpg eklenince devreye girer) */
.hero--photo { background-color: var(--ink); background-size: cover; background-position: center; border-bottom: none; }
.hero--photo .hero-bg { display: none; }
.hero--photo::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(100deg, rgba(18,15,11,.88) 0%, rgba(18,15,11,.68) 46%, rgba(18,15,11,.32) 100%);
}
.hero--photo h1 { color: #fff; }
.hero--photo .hero-sub { color: rgba(255,255,255,.86); }
.hero--photo .eyebrow { color: var(--gold-bright); }
.hero--photo .eyebrow::before { background: var(--gold-bright); }
.hero--photo .btn-outline { color: #fff; border-color: rgba(255,255,255,.55); }
.hero--photo .btn-outline:hover { color: #fff; border-color: #fff; background: rgba(255,255,255,.12); }
.hero h1 .accent { color: var(--gold); font-style: italic; }
.hero-sub { font-size: 1.22rem; color: var(--text-soft); max-width: 560px; margin-bottom: 2.2rem; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }

/* --- Açık (light) split hero: metin solda, görsel sağda --- */
.hero--split { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%); }
.hero--split .hero-bg {
  background: radial-gradient(680px 420px at 92% 8%, var(--gold-soft), transparent 68%);
}
.hero--split .hero-bg::after { display: none; }
.hero--split .hero-inner {
  display: grid; grid-template-columns: 1.04fr .96fr;
  gap: clamp(36px, 5.5vw, 84px); align-items: center;
  padding: clamp(56px, 8vw, 104px) 0;
}
.hero--split .hero-content { max-width: 580px; }

/* Hizmet bölgeleri (sade, modern) */
.hero-regions {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px;
  margin: 34px 0 0; padding-top: 26px; border-top: 1px solid var(--border);
}
.hero-regions-label {
  font-size: .74rem; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-mute);
}
.hero-regions-names {
  display: inline-flex; align-items: baseline; flex-wrap: wrap; gap: 10px;
  font-family: var(--ff-head); font-size: 1.12rem; font-weight: 500; color: var(--ink);
}
[data-theme="dark"] .hero-regions-names { color: var(--text); }
.hero-regions-names span[aria-hidden] { color: var(--gold); font-weight: 600; }

/* Görsel + deneyim rozeti */
.hero-media { position: relative; }
.hero-figure {
  margin: 0; overflow: hidden; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); border: 1px solid var(--border);
  aspect-ratio: 5 / 4; background: var(--bg-alt);
}
.hero-figure img { width: 100%; height: 100%; object-fit: cover; }
.hero-badge {
  position: absolute; left: -22px; bottom: 30px; z-index: 2;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px 22px; text-align: center; min-width: 124px;
}
.hero-badge::before {
  content: ''; position: absolute; left: 0; top: 14px; bottom: 14px;
  width: 3px; background: var(--gold-bright); border-radius: 3px;
}
.hero-badge-num {
  display: block; font-family: var(--ff-head); font-weight: 500;
  font-size: 2.3rem; line-height: 1; color: var(--ink);
}
[data-theme="dark"] .hero-badge-num { color: var(--text); }
.hero-badge-label {
  display: block; margin-top: 6px; font-size: .74rem; letter-spacing: .07em;
  text-transform: uppercase; color: var(--text-mute);
}

/* =========================================================================
   STATS BAND - krem zemin, altın ayraçlı
   ========================================================================= */
.stats-band { background: var(--bg); border-bottom: 1px solid var(--border); padding: 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { text-align: center; padding: 46px 16px; position: relative; }
.stat::after { content: ''; position: absolute; right: 0; top: 28%; bottom: 28%; width: 1px; background: var(--border); }
.stat:last-child::after { display: none; }
.stat-num { font-family: var(--ff-head); font-size: clamp(2.2rem, 4.4vw, 3.2rem); font-weight: 500; color: var(--ink); }
[data-theme="dark"] .stat-num { color: var(--text); }
.stat-plus { font-family: var(--ff-head); font-size: 1.8rem; font-weight: 500; color: var(--gold); }
.stat-label { display: block; font-size: .82rem; color: var(--text-mute); margin-top: 8px; letter-spacing: .04em; text-transform: uppercase; }
/* Bölge isimlerini sayı yerine gösteren kart */
.stat-region-names { display: flex; flex-direction: column; align-items: center; gap: 4px; line-height: 1.12; }
.stat-region-names span { font-family: var(--ff-head); font-weight: 500; font-size: clamp(1.15rem, 1.7vw, 1.5rem); color: var(--ink); }
[data-theme="dark"] .stat-region-names span { color: var(--text); }

/* =========================================================================
   SERVICES - numaralı, keskin
   ========================================================================= */
.services-grid { display: grid; grid-template-columns: 1.55fr 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); counter-reset: svc; }
.service-card {
  background: var(--bg-elev); padding: 44px 36px; transition: background var(--t); position: relative; counter-increment: svc;
}
.service-card::before {
  content: "0" counter(svc); position: absolute; top: 28px; right: 32px;
  font-family: var(--ff-head); font-size: 1.05rem; color: var(--gold); opacity: .7;
}
.service-card:hover { background: var(--bg-alt); }
.service-feature {
  grid-row: span 2; background: var(--ink); color: #ece5d8;
  display: flex; flex-direction: column; justify-content: space-between;
}
.service-feature::before { color: var(--gold-bright); opacity: .9; }
.service-feature:hover { background: var(--ink-700); }
.service-feature h3 { color: #fff; font-size: 1.9rem; font-weight: 500; }
.service-feature p { color: rgba(236,229,216,.78); }
.service-icon { display: grid; place-items: center; width: 58px; height: 58px; border: 1px solid var(--steel-line); background: var(--steel-soft); color: var(--steel); margin-bottom: 24px; border-radius: var(--radius-sm); }
.service-feature .service-icon { border-color: rgba(212,173,92,.5); background: rgba(212,173,92,.12); color: var(--gold-bright); width: 72px; height: 72px; }
.service-card h3 { margin-bottom: .5em; }
.card-link { display: inline-block; margin-top: 18px; font-weight: 600; font-size: .92rem; color: var(--gold); letter-spacing: .02em; }
.card-link:hover { color: var(--ink); }
.service-feature .card-link { color: var(--gold-bright); }
.service-feature .card-link:hover { color: #fff; }

/* =========================================================================
   HİZMET BÖLGELERİ
   ========================================================================= */
.regions-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.region-card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 36px 32px; position: relative; overflow: hidden;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.region-card::after {
  content: ''; position: absolute; right: -40px; bottom: -40px; width: 130px; height: 130px;
  border: 1px solid var(--gold-line); border-radius: 50%; opacity: .5; transition: transform var(--t);
}
.region-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--gold-line); }
.region-card:hover::after { transform: scale(1.15); }
.region-pin {
  display: grid; place-items: center; width: 50px; height: 50px; margin-bottom: 22px;
  border: 1px solid var(--gold-line); background: var(--gold-soft); color: var(--gold);
  border-radius: var(--radius-sm); position: relative; z-index: 1;
}
.region-card h3 { margin-bottom: .45em; position: relative; z-index: 1; }
.region-card p { margin: 0; font-size: .96rem; position: relative; z-index: 1; }

/* =========================================================================
   PROJECTS GRID
   ========================================================================= */
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.project-card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-lg);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t); overflow: hidden;
  cursor: pointer; display: flex; flex-direction: column;
}
.project-card:hover, .project-card:focus-visible { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--gold); outline: none; }
.project-thumb { position: relative; aspect-ratio: 4 / 3; background: var(--bg-alt); overflow: hidden; }
.project-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.project-card:hover .project-thumb img, .project-card:focus-visible .project-thumb img { transform: scale(1.06); }
.thumb-placeholder { display: grid; place-items: center; height: 100%; color: var(--border-strong); }
.project-cat {
  position: absolute; top: 14px; left: 14px; z-index: 2; background: var(--ink); color: var(--gold-bright);
  font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; padding: 6px 13px; border-radius: 999px;
}
.project-video-badge {
  position: absolute; top: 14px; right: 14px; z-index: 2; display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 50%; background: rgba(28,24,19,.78); color: #fff;
}
.project-overlay {
  position: absolute; inset: 0; z-index: 1; display: grid; place-items: center;
  background: linear-gradient(to top, rgba(28,24,19,.62), rgba(28,24,19,.12) 55%, transparent);
  opacity: 0; transition: opacity var(--t);
}
.project-card:hover .project-overlay, .project-card:focus-visible .project-overlay { opacity: 1; }
.project-overlay-btn {
  border: 1.5px solid #fff; color: #fff; padding: 9px 22px; border-radius: 999px;
  font-size: .85rem; font-weight: 600; letter-spacing: .03em; transform: translateY(8px); transition: transform var(--t);
}
.project-card:hover .project-overlay-btn, .project-card:focus-visible .project-overlay-btn { transform: translateY(0); }
.project-body { padding: 24px 24px 26px; flex: 1; }
.project-body h3 { margin-bottom: .45em; font-size: 1.3rem; }
.project-body p { font-size: .95rem; margin: 0; color: var(--text-soft); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* Portfolyo / vitrin görünümü (projeler sayfası) */
.projects-grid--portfolio { grid-auto-rows: 1fr; }
.project-card--overlay {
  position: relative; display: block; border: none; border-radius: var(--radius);
  overflow: hidden; min-height: 360px; background: var(--ink);
}
.project-card--overlay .poverlay-img { position: absolute; inset: 0; background: var(--bg-alt); }
.project-card--overlay .poverlay-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.project-card--overlay::after {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to top, rgba(18,15,11,.92) 0%, rgba(18,15,11,.5) 36%, rgba(18,15,11,.05) 72%);
  transition: opacity var(--t);
}
.project-card--overlay:hover, .project-card--overlay:focus-visible { transform: none; box-shadow: var(--shadow-lg); outline: none; }
.project-card--overlay:hover::after, .project-card--overlay:focus-visible::after { opacity: .92; }
.project-card--overlay:hover .poverlay-img img, .project-card--overlay:focus-visible .poverlay-img img { transform: scale(1.06); }
.project-card--overlay .thumb-placeholder { position: absolute; inset: 0; }
.project-card--overlay .project-video-badge { z-index: 3; }

.poverlay-content { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 30px 28px; color: #fff; }
.poverlay-cat { display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--gold-bright); margin-bottom: .7em; }
.poverlay-content h3 { color: #fff; font-size: 1.45rem; line-height: 1.2; margin: 0; }
.poverlay-lead {
  color: rgba(255,255,255,.84); margin: .8em 0 0; font-size: 1rem; max-width: 52ch;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.poverlay-cta {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 18px;
  font-size: .85rem; font-weight: 600; letter-spacing: .02em; color: #fff;
  opacity: 0; transform: translateY(8px); transition: opacity var(--t), transform var(--t);
}
.poverlay-cta svg { transition: transform var(--t); }
.project-card--overlay:hover .poverlay-cta, .project-card--overlay:focus-visible .poverlay-cta { opacity: 1; transform: translateY(0); }
.project-card--overlay:hover .poverlay-cta svg, .project-card--overlay:focus-visible .poverlay-cta svg { transform: translateX(4px); }

/* Öne çıkan (en yeni) proje — geniş vitrin kartı */
.project-card--featured { grid-column: span 2; min-height: 440px; }
.project-card--featured .poverlay-content { padding: 42px 44px; }
.project-card--featured .poverlay-content h3 { font-family: var(--ff-head); font-weight: 500; font-size: clamp(1.9rem, 3vw, 2.7rem); }
.project-card--featured .poverlay-cta { opacity: 1; transform: none; }

/* Scroll ile beliren animasyon (JS varsa devreye girer) */
.reveal-ready .reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal-ready .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal-ready .reveal { opacity: 1; transform: none; transition: none; }
}

/* Proje detay lightbox */
.project-modal { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 24px; }
.project-modal[hidden] { display: none; }
.pm-overlay { position: absolute; inset: 0; background: rgba(15,13,10,.72); backdrop-filter: blur(3px); animation: pmFade .2s ease; }
.pm-dialog {
  position: relative; z-index: 1; width: min(820px, 100%); max-height: 90vh; overflow: auto;
  background: var(--bg-elev); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  animation: pmRise .25s cubic-bezier(.4,0,.2,1);
}
.pm-close {
  position: absolute; top: 12px; right: 12px; z-index: 3; width: 40px; height: 40px; border: none; cursor: pointer;
  border-radius: 50%; background: rgba(28,24,19,.6); color: #fff; font-size: 1.7rem; line-height: 1; display: grid; place-items: center;
}
.pm-close:hover { background: var(--ink); }
.pm-stage { background: #000; aspect-ratio: 16 / 9; }
.pm-stage img, .pm-stage video, .pm-stage iframe { width: 100%; height: 100%; object-fit: cover; border: 0; display: block; }
.pm-stage iframe, .pm-stage video { object-fit: contain; }
.pm-thumbs { display: flex; gap: 8px; padding: 12px 14px; background: var(--bg-alt); overflow-x: auto; }
.pm-thumbs[hidden] { display: none; }
.pm-thumb {
  position: relative; flex: 0 0 auto; width: 74px; height: 56px; padding: 0; cursor: pointer;
  border: 2px solid transparent; border-radius: var(--radius-sm); overflow: hidden; background: var(--ink);
}
.pm-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pm-thumb.is-active { border-color: var(--gold); }
.pm-thumb-play { position: absolute; inset: 0; display: grid; place-items: center; color: #fff; background: rgba(28,24,19,.55); }
.pm-body { padding: 26px 30px 32px; }
.pm-meta { list-style: none; padding: 0; margin: 0 0 1.4em; display: grid; grid-template-columns: 1fr 1fr; gap: 2px 28px; border-top: 1px solid var(--border); }
.pm-meta[hidden] { display: none; }
.pm-meta li { display: flex; justify-content: space-between; gap: 14px; padding: 9px 0; border-bottom: 1px solid var(--border); font-size: .95rem; }
.pm-meta li[hidden] { display: none; }
.pm-cat[hidden], #pmDesc[hidden] { display: none; }
.pm-meta-label { color: var(--text-mute); }
.pm-meta-val { color: var(--ink); font-weight: 600; text-align: right; }
[data-theme="dark"] .pm-meta-val { color: var(--text); }
@media (max-width: 560px) { .pm-meta { grid-template-columns: 1fr; } }
.pm-cat { display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--gold); margin-bottom: .6em; }
.pm-body h3 { font-size: 1.6rem; margin-bottom: .5em; }
.pm-body p { color: var(--text-soft); white-space: pre-line; margin: 0; }
@keyframes pmFade { from { opacity: 0; } }
@keyframes pmRise { from { opacity: 0; transform: translateY(18px); } }
body.pm-open { overflow: hidden; }

.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 46px; }
.filter-btn {
  padding: 9px 22px; border-radius: 999px; border: 1px solid var(--border-strong); background: transparent;
  color: var(--text-soft); font-weight: 500; font-size: .9rem; cursor: pointer; transition: all var(--t-fast);
}
.filter-btn:hover { border-color: var(--gold); color: var(--gold); }
.filter-btn.active { background: var(--ink); color: var(--gold-bright); border-color: var(--ink); }
.empty-state { text-align: center; color: var(--text-mute); padding: 70px 0; font-size: 1.1rem; }

/* =========================================================================
   CTA + MAP
   ========================================================================= */
.cta-map-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 64px; align-items: center; }
.contact-quick { list-style: none; padding: 0; margin: 0 0 1.8rem; }
.contact-quick li { padding: 8px 0; color: var(--text-soft); border-bottom: 1px solid var(--border); }
.contact-quick li:last-child { border-bottom: none; }
.map-wrap { overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); aspect-ratio: 16 / 11; }
.map-wrap iframe { width: 100%; height: 100%; border: 0; display: block; filter: grayscale(.2); }

.cta-strip { background: var(--ink); color: #fff; text-align: center; padding: 88px 0; position: relative; }
.cta-strip::before { content: ''; position: absolute; left: 50%; top: 0; width: 60px; height: 3px; background: var(--gold-bright); transform: translateX(-50%); }
.cta-strip h2 { color: #fff; margin-bottom: 1.4rem; font-weight: 500; }

/* =========================================================================
   PAGE HERO (iç sayfalar)
   ========================================================================= */
.page-hero { background: var(--bg-alt); padding: 64px 0 56px; border-bottom: 1px solid var(--border); position: relative; }
.page-hero::after { content: ''; position: absolute; left: 0; bottom: -1px; width: 90px; height: 3px; background: var(--gold-bright); }
.page-hero h1 { margin: .25em 0 0; }
.page-lead { font-size: 1.18rem; color: var(--text-soft); max-width: 660px; margin: .9rem 0 0; }
.breadcrumb { font-size: .82rem; color: var(--text-mute); letter-spacing: .04em; text-transform: uppercase; }
.breadcrumb a { color: var(--text-mute); }
.breadcrumb a:hover { color: var(--gold); }

/* --- About --- */
.about-intro { display: grid; grid-template-columns: 1.9fr 1fr; gap: 64px; align-items: start; }
.lead-strong { font-size: 1.3rem; line-height: 1.6; color: var(--text); font-weight: 400; font-family: var(--ff-head); }
.about-side { display: flex; flex-direction: column; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.side-card { background: var(--bg-elev); padding: 30px; text-align: center; }
.side-num { display: block; font-family: var(--ff-head); font-size: 2.6rem; font-weight: 500; color: var(--gold); }
.side-label { color: var(--text-mute); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.value-card { background: var(--bg-elev); border: 1px solid var(--border); padding: 36px 32px; position: relative; }
.value-card::before { content: ''; position: absolute; top: 0; left: 0; width: 44px; height: 3px; background: var(--gold-bright); }
.value-card h3 { margin-top: 6px; }
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.mv-card { background: var(--bg-alt); padding: 48px 44px; }
.mv-card h2 { font-size: 1.7rem; }

/* --- Contact --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: start; }
.info-item { display: flex; gap: 18px; align-items: flex-start; margin-bottom: 28px; }
.info-icon { display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid var(--steel-line); background: var(--steel-soft); color: var(--steel); flex-shrink: 0; border-radius: var(--radius-sm); }
.info-label { display: block; font-size: .76rem; color: var(--text-mute); text-transform: uppercase; letter-spacing: .1em; font-weight: 600; margin-bottom: 2px; }
.contact-map { aspect-ratio: 16 / 9; margin-top: 14px; }

.contact-form-wrap { background: var(--bg-alt); border: 1px solid var(--border); padding: 44px; }
.contact-form-wrap h2 { font-size: 1.7rem; margin-bottom: 1.4rem; }
.form-row { margin-bottom: 20px; display: flex; flex-direction: column; }
.form-row label { font-weight: 600; font-size: .85rem; margin-bottom: 8px; color: var(--text); letter-spacing: .02em; }
.form-row input, .form-row textarea, .form-row select {
  font-family: inherit; font-size: 1rem; padding: 13px 16px; border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); background: var(--bg); color: var(--text); transition: border var(--t-fast), box-shadow var(--t-fast); width: 100%;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-soft);
}
.form-hint { font-size: .82rem; color: var(--text-mute); margin: 4px 0 18px; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.alert { padding: 15px 18px; border-radius: var(--radius-sm); margin-bottom: 22px; font-weight: 500; font-size: .95rem; }
.alert-success { background: #eef6ec; color: #2e6b30; border: 1px solid #cfe6c8; }
.alert-error { background: #fbecea; color: #b23a2c; border: 1px solid #f1cbc4; }
[data-theme="dark"] .alert-success { background: #18271a; color: #84cf86; border-color: #294a2b; }
[data-theme="dark"] .alert-error { background: #2c1816; color: #e9938a; border-color: #4d2823; }

/* =========================================================================
   FOOTER - sıcak kömür + altın
   ========================================================================= */
.site-footer { background: var(--ink); color: rgba(236,229,216,.72); padding: 76px 0 0; margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1.3fr 1fr; gap: 40px; padding-bottom: 56px; }
.footer-col h3 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .12em; font-family: var(--ff-body); font-weight: 600; margin-bottom: 1.2rem; position: relative; padding-bottom: 12px; }
.footer-col h3::after { content: ''; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: var(--gold-bright); }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { padding: 6px 0; }
.footer-col a { color: rgba(236,229,216,.7); }
.footer-col a:hover { color: var(--gold-bright); }
.brand-footer .brand-mark { background: rgba(255,255,255,.06); }
.brand-footer .brand-text strong { color: #fff; }
.brand-footer .brand-text small { color: var(--gold-bright); }
.footer-about p { color: rgba(236,229,216,.6); margin-top: 18px; font-size: .95rem; max-width: 320px; }
.footer-contact li { color: rgba(236,229,216,.7); }
.social-links { display: flex; flex-direction: column; gap: 9px; }
.footer-bottom { border-top: 1px solid rgba(236,229,216,.12); padding: 22px 0; }
.footer-bottom p { margin: 0; font-size: .85rem; color: rgba(236,229,216,.5); text-align: center; }

/* =========================================================================
   ERROR PAGES
   ========================================================================= */
.error-page { text-align: center; padding: 120px 0; }
.error-code { font-family: var(--ff-head); font-size: clamp(4.5rem, 15vw, 9rem); font-weight: 500; color: var(--gold); line-height: 1; }
.error-page h1 { margin-top: 6px; }
.error-page p { max-width: 480px; margin: 0 auto 30px; }

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 980px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .service-feature { grid-row: auto; grid-column: span 2; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .cta-map-grid, .about-intro, .contact-grid, .mv-grid { grid-template-columns: 1fr; gap: 38px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .regions-grid { grid-template-columns: 1fr 1fr; }
  .hero--split .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero--split .hero-content { max-width: 640px; }
  .hero-figure { aspect-ratio: 16 / 10; max-height: 420px; }
  .hero-media { max-width: 560px; }
}

@media (max-width: 760px) {
  .header-cta { display: none; }
  .hamburger { display: flex; }
  .main-nav {
    position: fixed; top: var(--header-h); right: 0; bottom: 0; width: min(82vw, 320px);
    background: var(--bg-elev); flex-direction: column; gap: 2px; padding: 28px 22px;
    transform: translateX(100%); transition: transform var(--t); z-index: 95;
    box-shadow: var(--shadow-lg); overflow-y: auto; border-left: 1px solid var(--border);
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { padding: 15px 14px; font-size: 1.08rem; border-bottom: 1px solid var(--border); }
  .main-nav a::after { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2)::after { display: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--border); }
  .services-grid { grid-template-columns: 1fr; }
  .service-feature { grid-column: auto; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card--featured { grid-column: auto; min-height: 340px; }
  .project-card--overlay { min-height: 300px; }
  .project-card--featured .poverlay-content { padding: 30px 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .section { padding: 64px 0; }
  .contact-form-wrap { padding: 30px 22px; }
  .mv-card { padding: 36px 28px; }
  .regions-grid { grid-template-columns: 1fr; gap: 18px; }
  .hero-badge { left: 16px; bottom: 16px; padding: 13px 18px; min-width: 108px; }
  .hero-badge-num { font-size: 1.9rem; }
}

@media (max-width: 420px) {
  .hero-actions .btn { width: 100%; }
  .container { padding: 0 20px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}