/* ============================================================
   ATERKO — v6 Tasarım Sistemi (Konsept D4: Rafine Endüstriyel)
   Koyu çapalar + gri zemin + beyaz plakalar + ölçülü amblem pahı
   ============================================================ */

:root {
  --navy-d: #080f1a;
  --navy:   #0c1624;
  --navy-2: #16263d;
  --ink:    #0e1723;
  --mut:    #57677c;
  --steel-400: #7d8fa3;
  --steel-200: #c3cfdb;
  --hair:   #dde3ea;
  --bg:     #f4f6f9;
  --panel:  #ffffff;
  --accent:   #e9551d;
  --accent-d: #c74510;
  --accent-soft: #fdeade;
  --container: 1200px;
  --font: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  /* amblem pahı — tek sağ-üst köşe */
  --cut: 22px;
  --cut-tr: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  --cut-bl: polygon(0 0, 100% 0, 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.mono, .breadcrumb, .kicker { font-family: var(--mono); }

/* ---------- Header — koyu ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8, 15, 26, .95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 74px; gap: 16px;
}
.logo { flex-shrink: 0; display: flex; align-items: center; }
.logo img { height: 32px; width: auto; display: block; }

.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav > li { position: relative; }
.main-nav a {
  color: #93a3b5; font-size: 14px; font-weight: 600; white-space: nowrap;
  padding: 10px 11px; display: block; transition: color .2s;
}
.main-nav > li > a:hover { color: #fff; }
.main-nav > li > a.active { color: var(--accent); }

.dropdown {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 240px;
  background: var(--navy); border: 1px solid rgba(255,255,255,.1);
  clip-path: var(--cut-tr); --cut: 14px;
  padding: 10px 8px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .22s ease;
}
.main-nav li:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a { color: #93a3b5; font-weight: 500; padding: 9px 14px; }
.dropdown a:hover { background: rgba(233,85,29,.12); color: #fff; }

.header-cta { display: flex; align-items: center; gap: 12px; }
.lang-switch { display: flex; border: 1px solid rgba(255,255,255,.18); flex-shrink: 0; clip-path: var(--cut-tr); --cut: 9px; }
.lang-switch a { padding: 6px 10px; font-size: 12.5px; font-weight: 700; color: var(--steel-400); font-family: var(--mono); }
.lang-switch a.on { background: var(--accent); color: #fff; }
.lang-switch a:not(.on):hover { color: #fff; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  padding: 14px 30px; font-weight: 700; font-size: 15px;
  transition: all .22s ease; border: none; cursor: pointer; font-family: var(--font);
  clip-path: var(--cut-tr); --cut: 13px;
}
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-d); }
.btn-outline { border: 1.5px solid rgba(255,255,255,.4); color: #fff; background: rgba(8,15,26,.25); clip-path: none; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-outline-dark { border: 1.5px solid var(--ink); color: var(--ink); background: transparent; clip-path: none; }
.btn-outline-dark:hover { background: var(--navy); color: #fff; }
.btn-white { background: #fff; color: var(--accent-d); }
.btn-white:hover { transform: translateY(-2px); }
.btn-sm { padding: 11px 22px; font-size: 14px; }

.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 42px; height: 42px; color: #fff;
}
.nav-toggle svg { width: 26px; height: 26px; }

/* ---------- Kampanya bannerı (süreli, görselli) ---------- */
.promo-band {
  display: block; background: linear-gradient(100deg, var(--accent-d) 0%, var(--accent) 55%, #f06a35 100%);
  color: #fff; border-bottom: 1px solid rgba(255,255,255,.18);
  transition: filter .2s; position: relative; overflow: hidden;
}
.promo-band::before {
  content: ""; position: absolute; right: -70px; top: -70px; width: 240px; height: 240px;
  background: url('../img/aterko-logo-square.png') center/contain no-repeat; opacity: .1; pointer-events: none;
}
.promo-band:hover { filter: brightness(1.05); }
.promo-inner { display: flex; align-items: center; gap: 26px; padding: 16px 28px; position: relative; }
.promo-img {
  flex-shrink: 0; width: 190px; height: 106px; overflow: hidden;
  clip-path: var(--cut-tr); --cut: 16px; border: 1px solid rgba(255,255,255,.35);
}
.promo-img img { width: 100%; height: 100%; object-fit: cover; }
.promo-body { flex: 1; min-width: 200px; display: flex; flex-direction: column; gap: 3px; }
.promo-tag {
  font-family: var(--mono); font-size: 10.5px; font-weight: 700; letter-spacing: .16em;
  color: #ffd9c4; align-self: flex-start;
}
.promo-title { font-size: clamp(19px, 2vw, 25px); font-weight: 700; letter-spacing: -.015em; line-height: 1.15; }
.promo-sub { font-size: 13px; color: #ffe0cf; font-weight: 500; }
.promo-price-box {
  flex-shrink: 0; background: var(--navy-d); padding: 12px 22px 14px; text-align: center;
  clip-path: var(--cut-tr); --cut: 14px;
}
.promo-price-k { display: block; font-family: var(--mono); font-size: 9.5px; letter-spacing: .12em; color: #f0b499; }
.promo-price { display: block; font-size: clamp(22px, 2.2vw, 30px); font-weight: 700; letter-spacing: -.02em; margin-top: 2px; }
.promo-cta {
  flex-shrink: 0; font-size: 14px; font-weight: 700; background: #fff; color: var(--accent-d);
  padding: 13px 24px; clip-path: var(--cut-tr); --cut: 11px; white-space: nowrap;
}
@media (max-width: 1024px) { .promo-cta { display: none; } }
@media (max-width: 720px) {
  .promo-inner { padding: 14px 20px; gap: 16px; flex-wrap: wrap; }
  .promo-img { width: 100%; height: 130px; order: -1; }
  .promo-price-box { padding: 10px 18px 12px; }
}

/* ---------- Hero slider — koyu blok ---------- */
.hero-slider { position: relative; overflow: hidden; color: #fff; display: grid; background: var(--navy-d); }
.h-slide {
  grid-area: 1 / 1; opacity: 0; visibility: hidden; transition: opacity .85s ease, visibility .85s;
  display: flex; align-items: center; padding: 96px 0 126px;
  background-size: cover; background-position: center;
}
.h-slide.active { opacity: 1; visibility: visible; z-index: 1; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); color: #f0b499; font-size: 12.5px; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase; margin-bottom: 24px;
}
.hero-eyebrow svg { width: 15px; height: 15px; flex-shrink: 0; color: var(--accent); }
.h-slide .h-title {
  font-size: clamp(36px, 4.6vw, 62px); line-height: 1.07; font-weight: 500;
  letter-spacing: -.022em; max-width: 780px;
}
.h-slide .h-title em { font-style: normal; color: var(--accent); font-weight: 700; }
.h-slide p.lead { font-size: 16.5px; color: #c3cfdb; max-width: 560px; margin: 22px 0 0; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 36px; align-items: center; }
.h-nav {
  position: absolute; right: 40px; bottom: 36px; z-index: 5;
  display: flex; align-items: center; gap: 16px; left: auto; transform: none; width: auto;
}
.h-dots { display: flex; gap: 8px; }
.h-dot {
  width: 22px; height: 4px; border: none; cursor: pointer; padding: 0;
  background: rgba(255,255,255,.3); transform: skewX(-32deg); transition: all .25s; border-radius: 0;
}
.h-dot.active { background: var(--accent); width: 34px; }
.h-arrow {
  width: 40px; height: 40px; border: 1px solid rgba(255,255,255,.35);
  background: rgba(8,15,26,.35); color: #fff; font-size: 19px; line-height: 1;
  cursor: pointer; clip-path: var(--cut-tr); --cut: 10px; transition: all .2s;
  display: grid; place-items: center; padding-bottom: 3px; border-radius: 0;
}
.h-arrow:hover { background: var(--accent); border-color: var(--accent); }

/* ---------- Page hero (iç sayfalar) ---------- */
.page-hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(120deg, var(--navy-d), var(--navy-2));
  padding: 78px 0 66px;
}
.page-hero .container { position: relative; }
.breadcrumb { font-size: 12.5px; color: var(--steel-400); margin-bottom: 16px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; }
.breadcrumb a:hover { color: var(--accent); }
.page-hero h1 { font-size: clamp(30px, 4vw, 46px); font-weight: 700; letter-spacing: -.02em; }
.page-hero p { margin-top: 14px; max-width: 680px; color: var(--steel-200); font-size: 16.5px; }

/* ---------- Rakam bandı — koyu, pahlı alt köşe ---------- */
.stats-band {
  background: var(--navy-d); color: #fff; padding: 40px 0 46px;
  clip-path: var(--cut-bl); --cut: 46px;
  border-top: 1px solid rgba(255,255,255,.07);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat { text-align: left; padding: 8px 26px; border-left: 1px solid var(--hair); }
.stat:first-child { border-left: none; padding-left: 0; }
.stat .num { font-size: 36px; font-weight: 500; color: inherit; letter-spacing: -.02em; }
.stat .num small { font-size: 18px; font-weight: 600; color: var(--accent); margin-left: 4px; }
.stat .label { font-size: 13px; color: var(--mut); margin-top: 4px; font-weight: 500; }
.stats-band .stat, .block.dark .stat { border-left-color: rgba(255,255,255,.1); color: #fff; }
.stats-band .stat:first-child, .block.dark .stat:first-child { border-left: none; }
.stats-band .stat .label, .block.dark .stat .label { color: var(--steel-400); }

/* ---------- Bölümler ---------- */
section.block { padding: 104px 0; }
section.block.tint { background: transparent; }
section.block.dark {
  background: var(--navy-d); color: #fff; position: relative; overflow: hidden;
  clip-path: var(--cut-tr); --cut: 46px;
}
section.block.dark::after {
  content: ""; position: absolute; right: -150px; bottom: -150px; width: 460px; height: 460px;
  background: url('../img/aterko-logo-square.png') center/contain no-repeat; opacity: .05; pointer-events: none;
}
section.block.dark .container { position: relative; z-index: 2; }

/* Bölüm başlığı — koyu çapa bloğu */
.sec-head {
  max-width: 760px; margin-bottom: 52px;
  background: var(--navy); color: #fff; padding: 34px 38px 38px;
  clip-path: var(--cut-tr); --cut: 24px; position: relative;
}
.sec-head::before {
  content: ""; display: block; height: 4px; width: 72px;
  background: var(--accent); transform: skewX(-32deg); margin-bottom: 22px;
}
.sec-head.center { margin-left: auto; margin-right: auto; text-align: left; }
.kicker {
  display: inline-block; color: var(--accent); font-weight: 500; font-size: 12.5px;
  letter-spacing: .12em; text-transform: uppercase; margin-bottom: 12px;
}
.sec-head h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 500; letter-spacing: -.02em; line-height: 1.15; color: #fff; }
.sec-head h2 b, .sec-head h2 strong { font-weight: 700; }
.sec-head p { margin-top: 14px; color: #9fb0c2; font-size: 15px; }
section.block.dark .sec-head { background: transparent; padding: 0; clip-path: none; margin-bottom: 48px; }
section.block.dark .sec-head::before { margin-bottom: 20px; }

/* ---------- Kartlar — beyaz plakalar ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.card {
  background: var(--panel); border: 1px solid var(--hair);
  clip-path: var(--cut-tr); --cut: 18px;
  padding: 30px; transition: transform .28s ease, border-color .28s;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); border-color: #c9d3df; }
.card .card-img { margin: -30px -30px 20px; height: 175px; overflow: hidden; }
.card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.card:hover .card-img img { transform: scale(1.05); }
.card .icon {
  width: 50px; height: 50px; margin-bottom: 20px;
  background: var(--accent-soft); color: var(--accent-d);
  display: grid; place-items: center; clip-path: var(--cut-tr); --cut: 12px;
}
.card .icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; letter-spacing: -.01em; }
.card p { color: var(--mut); font-size: 14.5px; flex: 1; }
.card .card-link { margin-top: 18px; color: var(--accent); font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.card .card-link:hover { gap: 10px; }
.card .card-link::after { content: "→"; transition: inherit; }

.card.on-dark { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.1); color: #fff; }
.card.on-dark p { color: var(--steel-200); }
.card.on-dark .icon { background: rgba(233,85,29,.15); color: var(--accent); }

.feature-list { margin-top: 14px; }
.feature-list li {
  position: relative; padding-left: 26px; margin-bottom: 9px;
  color: var(--mut); font-size: 14.5px;
}
.feature-list li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 12px; height: 12px;
  background: var(--accent); clip-path: polygon(0 0, 70% 0, 100% 30%, 100% 100%, 0 100%);
  opacity: .85;
}
section.dark .feature-list li, .block.dark .feature-list li { color: var(--steel-200); }

/* ---------- Süreç adımları ---------- */
.process { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.process .step {
  background: var(--panel); border: 1px solid var(--hair);
  clip-path: var(--cut-tr); --cut: 14px;
  padding: 24px 20px; transition: transform .25s;
}
.process .step:hover { transform: translateY(-3px); }
.process .step .no {
  width: 40px; height: 40px; display: grid; place-items: center;
  background: var(--navy); color: var(--accent); font-weight: 700; font-size: 16px;
  margin-bottom: 16px; clip-path: var(--cut-tr); --cut: 10px; font-family: var(--mono);
}
.process .step h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.process .step p { font-size: 13px; color: var(--mut); }

/* ---------- Model kartları ---------- */
.model-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.model-card {
  background: var(--panel); border: 1px solid var(--hair);
  clip-path: var(--cut-tr); --cut: 16px;
  overflow: hidden; transition: transform .25s; display: block; color: inherit;
}
.model-card:hover { transform: translateY(-4px); }
.model-card .model-visual {
  height: 150px; position: relative;
  background: linear-gradient(145deg, var(--navy), var(--navy-2));
  display: grid; place-items: center; color: var(--accent);
}
.model-card .model-visual svg { width: 60px; height: 60px; opacity: .9; }
.model-card .model-visual img { width: 100%; height: 100%; object-fit: cover; }
.model-card .model-body { padding: 18px 20px 20px; }
.model-card h4 { font-size: 16.5px; font-weight: 700; }
.model-card .specs { display: flex; gap: 7px; margin-top: 10px; flex-wrap: wrap; }
.card-more { float: right; font-size: 12px; font-weight: 700; color: var(--accent); font-family: var(--mono); }
.spec-chip {
  background: var(--bg); border: 1px solid var(--hair); color: var(--mut);
  font-size: 12px; font-weight: 600; padding: 4px 10px; font-family: var(--mono);
}
.spec-chip.hl { background: var(--accent-soft); border-color: #f2c4a6; color: var(--accent-d); font-weight: 700; }

/* ---------- Proje kartları ---------- */
.project-card { overflow: hidden; padding: 0; }
.project-card .proj-visual {
  height: 172px; display: grid; place-items: center; position: relative; overflow: hidden;
  background: linear-gradient(145deg, var(--navy), var(--navy-2)); color: var(--steel-400);
}
.project-card .proj-visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.project-card:hover .proj-visual img { transform: scale(1.05); }
.project-card .proj-visual .loc {
  position: absolute; bottom: 12px; left: 14px; color: #fff; font-size: 11.5px; font-weight: 600;
  background: rgba(8,15,26,.6); padding: 4px 12px; backdrop-filter: blur(4px);
  display: flex; align-items: center; gap: 6px; z-index: 2; font-family: var(--mono);
}
.project-card .loc svg { width: 11px; height: 11px; }
.project-card .proj-body { padding: 20px 22px 24px; }
.project-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.project-card .cats { display: flex; gap: 7px; flex-wrap: wrap; }

/* ---------- Belgeler ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.cert {
  background: var(--panel); border: 1px solid var(--hair);
  clip-path: var(--cut-tr); --cut: 12px;
  padding: 20px 14px; text-align: center;
}
.cert .cert-badge {
  width: 44px; height: 44px; margin: 0 auto 12px;
  background: var(--bg); border: 1px solid var(--hair);
  display: grid; place-items: center; color: var(--navy);
  clip-path: var(--cut-tr); --cut: 10px;
}
.cert .cert-badge svg { width: 20px; height: 20px; }
.cert h5 { font-size: 13px; font-weight: 700; }
.cert p { font-size: 11.5px; color: var(--mut); margin-top: 3px; }

/* ---------- Yol haritası ---------- */
.roadmap { position: relative; padding-left: 32px; }
.roadmap::before {
  content: ""; position: absolute; left: 8px; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(var(--accent), var(--navy));
}
.roadmap .mile { position: relative; padding-bottom: 34px; }
.roadmap .mile:last-child { padding-bottom: 0; }
.roadmap .mile::before {
  content: ""; position: absolute; left: -30px; top: 7px; width: 13px; height: 13px;
  background: var(--accent); transform: skewX(-16deg);
}
.roadmap .mile .years { font-weight: 700; color: var(--accent); font-size: 13px; font-family: var(--mono); letter-spacing: .06em; }
.roadmap .mile h4 { font-size: 18px; font-weight: 700; margin: 4px 0 8px; }
.roadmap .mile p, .roadmap .mile li { color: var(--mut); font-size: 14.5px; }
.roadmap .mile ul { margin-top: 6px; }
.roadmap .mile ul li { position: relative; padding-left: 20px; margin-bottom: 6px; }
.roadmap .mile ul li::before { content: "—"; color: var(--accent); position: absolute; left: 0; font-weight: 700; }

/* ---------- Split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.split .visual-panel {
  clip-path: var(--cut-tr); --cut: 28px; overflow: hidden;
  background: linear-gradient(150deg, var(--navy), var(--navy-2));
  min-height: 320px; display: grid; place-items: center; padding: 40px;
}
.split .visual-panel svg { width: 100%; max-width: 380px; height: auto; }
.split .visual-panel.photo { padding: 0; min-height: 0; }
.split .visual-panel.photo img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; display: block; }
.split .visual-panel.light { background: #fff; border: 1px solid var(--hair); padding: 48px; }
.split .visual-panel.light img { width: 100%; max-width: 320px; height: auto; }
.split > div > .kicker { display: inline-block; }
.split h2 { font-weight: 500 !important; letter-spacing: -.02em; }
.split h2 b, .split h2 strong { font-weight: 700; }

.media-banner { clip-path: var(--cut-tr); --cut: 24px; overflow: hidden; margin-bottom: 40px; border: 1px solid var(--hair); }
.media-banner img { width: 100%; height: 100%; max-height: 380px; object-fit: cover; display: block; }

/* ---------- Alıntı bandı ---------- */
.quote-band { background: var(--navy-d); color: #fff; padding: 72px 0; text-align: center; clip-path: var(--cut-bl); --cut: 40px; }
.quote-band blockquote { font-size: clamp(20px, 2.5vw, 27px); font-weight: 500; max-width: 820px; margin: 0 auto; line-height: 1.45; }
.quote-band blockquote em { color: var(--accent); font-style: normal; font-weight: 700; }
.quote-band cite { display: block; margin-top: 18px; color: var(--steel-400); font-style: normal; font-size: 13.5px; font-family: var(--mono); }

/* ---------- CTA ---------- */
.cta-band {
  position: relative; overflow: hidden;
  background: var(--navy-d); color: #fff; padding: 84px 0;
  clip-path: var(--cut-tr); --cut: 46px;
}
.cta-band::before {
  content: ""; position: absolute; right: -120px; top: -120px; width: 380px; height: 380px;
  background: url('../img/aterko-logo-square.png') center/contain no-repeat; opacity: .06;
}
.cta-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-inner h2 { font-size: clamp(24px, 3vw, 36px); font-weight: 500; max-width: 680px; letter-spacing: -.02em; }
.cta-inner h2 b, .cta-inner h2 strong { font-weight: 700; }
.cta-inner p { margin-top: 8px; color: var(--steel-400); }
.cta-band .btn-white { background: var(--accent); color: #fff; }
.cta-band .btn-white:hover { background: var(--accent-d); transform: none; }

/* ---------- İletişim ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: start; }
.info-card {
  background: var(--panel); border: 1px solid var(--hair);
  clip-path: var(--cut-tr); --cut: 16px;
  padding: 28px; margin-bottom: 18px;
}
.info-card h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.info-card h3 .dot { width: 12px; height: 12px; background: var(--accent); transform: skewX(-16deg); border-radius: 0; }
.info-card p, .info-card a { color: var(--mut); font-size: 14.5px; }
.info-card a:hover { color: var(--accent-d); }
.info-card .line { display: flex; gap: 10px; margin-bottom: 8px; align-items: baseline; }
.info-card .line strong { color: var(--ink); font-size: 13.5px; min-width: 74px; }

.form-card {
  background: var(--panel); border: 1px solid var(--hair);
  clip-path: var(--cut-tr); --cut: 24px;
  padding: 36px;
}
.form-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.form-card > p { color: var(--mut); font-size: 14.5px; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--hair); border-radius: 0;
  font-family: var(--font); font-size: 15px; color: var(--ink); background: var(--bg);
  transition: border-color .2s, background .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--accent); background: #fff;
}
.field textarea { resize: vertical; min-height: 120px; }
.form-note { margin-top: 14px; padding: 12px 16px; background: #e8f5ec; color: #1c7a3d; font-weight: 600; font-size: 14.5px; }

/* ---------- Footer — koyu ---------- */
.site-footer { background: var(--navy-d); color: var(--steel-400); padding: 64px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.site-footer h4 { color: #fff; font-size: 13.5px; font-weight: 700; margin-bottom: 16px; letter-spacing: .08em; text-transform: uppercase; font-family: var(--mono); }
.site-footer .f-logo { margin-bottom: 16px; }
.site-footer p { max-width: 300px; font-size: 13.5px; }
.site-footer li { margin-bottom: 9px; }
.site-footer a:hover { color: var(--accent); }
.socials { display: flex; gap: 9px; margin-top: 18px; }
.socials a {
  width: 36px; height: 36px; display: grid; place-items: center;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); color: var(--steel-200);
  transition: all .2s; clip-path: var(--cut-tr); --cut: 9px;
}
.socials a:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.socials svg { width: 16px; height: 16px; }
.member-logos { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }
.member-logos span { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); padding: 10px 14px; display: grid; place-items: center; clip-path: var(--cut-tr); --cut: 10px; }
.member-logos img { height: 34px; width: auto; max-width: none; display: block; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12.5px; font-family: var(--mono);
}

/* ---------- Detay sayfaları ---------- */
.spec-table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--hair); }
.spec-table td { padding: 10px 16px; border-bottom: 1px solid var(--hair); font-size: 14px; color: var(--mut); }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table td:last-child { text-align: right; font-weight: 700; color: var(--ink); white-space: nowrap; font-family: var(--mono); font-size: 13.5px; }
.info-chips { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.info-chip {
  background: var(--panel); border: 1px solid var(--hair);
  clip-path: var(--cut-tr); --cut: 13px;
  padding: 16px 20px; display: flex; flex-direction: column; gap: 4px;
}
.info-chip .k { font-size: 11px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--mut); font-family: var(--mono); }
.info-chip .v { font-weight: 700; font-size: 15.5px; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.gallery-grid .g-item { display: block; overflow: hidden; clip-path: var(--cut-tr); --cut: 14px; border: 1px solid var(--hair); }
.gallery-grid img { width: 100%; height: 225px; object-fit: cover; transition: transform .35s ease; }
.gallery-grid .g-item:hover img { transform: scale(1.05); }
.plan-figure {
  background: var(--panel); border: 1px solid var(--hair);
  clip-path: var(--cut-tr); --cut: 16px;
  padding: 12px; margin-bottom: 16px;
}
.plan-figure img { width: 100%; }
.plan-figure figcaption { text-align: center; font-size: 12px; font-weight: 600; color: var(--mut); padding-top: 10px; font-family: var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.lightbox { position: fixed; inset: 0; z-index: 300; background: rgba(8,15,26,.94); display: grid; place-items: center; padding: 4vh 4vw; cursor: zoom-out; }
.lightbox img { max-width: 100%; max-height: 90vh; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4, .model-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .process { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .main-nav {
    position: fixed; inset: 74px 0 auto 0; background: var(--navy-d);
    flex-direction: column; align-items: stretch; padding: 16px 20px 24px; gap: 2px;
    display: none; max-height: calc(100vh - 74px); overflow-y: auto;
    border-bottom: 1px solid rgba(255,255,255,.1);
  }
  .main-nav.open { display: flex; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; background: transparent; border: none; clip-path: none; padding: 0 0 6px 16px; }
  .nav-toggle { display: grid; place-items: center; }
  .header-cta .btn { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 12px 18px; }
  .stat:nth-child(odd) { border-left: none; padding-left: 0; }
  .grid-2, .grid-3, .grid-4, .model-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  section.block { padding: 64px 0; }
  .h-slide { padding: 64px 0 116px; }
  .h-nav { right: 24px; bottom: 28px; }
  .sec-head { padding: 26px 24px 30px; }
}

/* ---------- SSS ---------- */
.faq-item { background: var(--panel); border: 1px solid var(--hair); clip-path: var(--cut-tr); --cut: 14px; margin-bottom: 12px; }
.faq-item summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; cursor: pointer; padding: 18px 22px; font-weight: 700; font-size: 15.5px; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { font-style: normal; color: var(--accent); font-size: 20px; font-weight: 700; flex-shrink: 0; transition: transform .2s; font-family: var(--mono); }
.faq-item[open] summary i { transform: rotate(45deg); }
.faq-item p { padding: 0 22px 20px; color: var(--mut); font-size: 14.5px; }

/* ---------- 404 ---------- */
.err-code { font-size: clamp(90px, 14vw, 180px); font-weight: 700; color: var(--accent); letter-spacing: -.04em; line-height: 1; font-family: var(--mono); }

/* ================== AKILLI FORM: modal + ek alanlar ================== */
.kvkk-row { display: flex; gap: 10px; align-items: flex-start; margin: 18px 0; cursor: pointer; font-size: 13px; color: var(--text-muted); line-height: 1.5; }
.kvkk-row input[type="checkbox"] { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--accent); flex: none; }
.form-ok { text-align: center; padding: 36px 12px; }
.form-ok h3 { font-size: 21px; font-weight: 700; margin-bottom: 10px; color: #1c7a3d; }
.form-ok p { color: var(--text-muted); font-size: 15px; max-width: 400px; margin: 0 auto; }
.form-err { margin-top: 14px; padding: 12px 16px; background: #fdecea; color: #b3261e; font-weight: 600; font-size: 14px; clip-path: var(--cut-tr); }

.form-modal { position: fixed; inset: 0; z-index: 400; display: none; }
.form-modal.open { display: block; }
body.modal-open { overflow: hidden; }
.fm-backdrop { position: absolute; inset: 0; background: rgba(8, 15, 26, .72); backdrop-filter: blur(3px); }
.fm-panel { position: relative; z-index: 1; background: #fff; width: min(680px, calc(100% - 32px)); max-height: calc(100vh - 48px); overflow-y: auto; margin: 24px auto; padding: 34px 36px 30px; clip-path: var(--cut-tr); animation: fmIn .28s ease; }
@keyframes fmIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.fm-close { position: absolute; top: 10px; right: 12px; border: 0; background: none; font-size: 30px; line-height: 1; cursor: pointer; color: var(--text-muted); padding: 6px 10px; }
.fm-close:hover { color: var(--ink); }
.fm-head { margin-bottom: 20px; }
.fm-head h3 { font-size: 22px; font-weight: 700; margin: 6px 0 6px; }
.fm-head p { color: var(--text-muted); font-size: 14.5px; }
.fm-panel .field { margin-bottom: 14px; }
.fm-panel .form-row { margin-bottom: 0; }
@media (max-width: 640px) { .fm-panel { padding: 26px 20px 22px; margin: 12px auto; max-height: calc(100vh - 24px); } }
.field input[type="file"] { padding: 10px; background: #fff; border-style: dashed; cursor: pointer; }
.file-hint { display: block; margin-top: 5px; font-size: 12px; color: var(--text-muted); }

/* ================== WhatsApp butonu + filtreler + harita ================== */
.wa-btn { position: fixed; right: 22px; bottom: 22px; z-index: 300; width: 58px; height: 58px; border-radius: 50%; background: #25d366; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 22px rgba(0,0,0,.28); transition: transform .18s ease; }
.wa-btn:hover { transform: scale(1.08); }
.wa-btn svg { width: 32px; height: 32px; fill: #fff; }
@media (max-width: 640px) { .wa-btn { right: 14px; bottom: 14px; width: 52px; height: 52px; } }

.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 28px; }
.filter-bar.center { justify-content: center; }
.filter-chip { font-family: var(--mono, 'IBM Plex Mono', monospace); font-size: 13px; padding: 9px 16px; background: #fff; border: 1px solid var(--hairline, #dde3ea); cursor: pointer; clip-path: var(--cut-tr); transition: all .15s ease; color: var(--ink); }
.filter-chip:hover { border-color: var(--accent); color: var(--accent-dark, #c74510); }
.filter-chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.filter-select { font-family: var(--mono, 'IBM Plex Mono', monospace); font-size: 13px; padding: 9px 14px; background: #fff; border: 1px solid var(--hairline, #dde3ea); cursor: pointer; margin-left: auto; }
#worldMap .jvm-zoom-btn { display: none; }
#worldMap svg { width: 100%; height: 100%; }

/* ================== Prefabrik Evler: nav vurgusu + sihirbaz + karşılaştırma ================== */
.main-nav > li > a.nav-special { color: var(--accent); border: 1px solid var(--accent); padding: 7px 13px; clip-path: var(--cut-tr); font-weight: 700; }
.main-nav > li > a.nav-special:hover, .main-nav > li > a.nav-special.active { background: var(--accent); color: #fff; }
.wiz-card { background: #fff; border: 1px solid var(--hairline, #dde3ea); clip-path: var(--cut-tr); padding: 38px 40px 34px; }
.wiz-q { margin-bottom: 22px; }
.wiz-q h4 { font-size: 15px; font-weight: 700; margin-bottom: 10px; }
.wiz-opts { display: flex; flex-wrap: wrap; gap: 10px; }
.wiz-opt { font-family: var(--mono, 'IBM Plex Mono', monospace); font-size: 13.5px; padding: 10px 18px; background: var(--bg, #f4f6f9); border: 1px solid var(--hairline, #dde3ea); cursor: pointer; clip-path: var(--cut-tr); transition: all .15s ease; }
.wiz-opt:hover { border-color: var(--accent); color: var(--accent-dark, #c74510); }
.wiz-opt.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.wiz-res-t { font-weight: 700; margin: 28px 0 16px; font-size: 16px; }
#wizKartlar .card h3 { font-size: 17px; margin-top: 14px; }
.cmp-bar { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 26px; }
.cmp-bar .filter-select { margin-left: 0; flex: 1; min-width: 220px; }
.cmp-vs { font-family: var(--mono, 'IBM Plex Mono', monospace); font-weight: 700; color: var(--accent); }
.cmp-tablo th { text-align: left; padding: 12px 14px; background: var(--navy, #0c1624); }
.cmp-tablo th a { color: #fff; font-size: 16px; }
.cmp-tablo td { vertical-align: top; }
.cmp-etiket { font-weight: 700; white-space: nowrap; background: var(--bg, #f4f6f9); }
.cmp-odalar { list-style: none; padding: 0; margin: 0; }
.cmp-odalar li { display: flex; justify-content: space-between; gap: 16px; padding: 4px 0; border-bottom: 1px dashed var(--hairline, #dde3ea); font-size: 13.5px; }
.cmp-odalar li:last-child { border-bottom: 0; }
@media (max-width: 640px) { .wiz-card { padding: 24px 18px; } }

/* Prefabrik Evler: masaüstünde CTA yanında buton, mobilde menü içinde */
.evler-cta { border: 1.5px solid var(--accent); color: var(--accent); background: transparent; }
.evler-cta:hover { background: var(--accent); color: #fff; }
@media (min-width: 721px) { .main-nav > li > a.nav-special { display: none; } }

/* ---------- Karşılaştırma görselleri ---------- */
.cmp-gorseller { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-bottom: 22px; }
.cmp-model { background: #fff; border: 1px solid var(--hairline, #dde3ea); clip-path: var(--cut-tr); padding: 14px; }
.cmp-3d { display: block; overflow: hidden; }
.cmp-3d img { width: 100%; height: 215px; object-fit: cover; display: block; transition: transform .4s ease; }
.cmp-3d:hover img { transform: scale(1.04); }
.cmp-planlar { display: flex; gap: 12px; margin-top: 12px; }
.cmp-plan { flex: 1; margin: 0; min-width: 0; }
.cmp-plan a { display: block; background: var(--bg, #f4f6f9); border: 1px solid var(--hairline, #dde3ea); }
.cmp-plan img { width: 100%; height: 185px; object-fit: contain; display: block; padding: 6px; box-sizing: border-box; }
.cmp-plan figcaption { font-family: var(--mono, 'IBM Plex Mono', monospace); font-size: 10.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--steel-400, #7d8fa3); margin-top: 7px; }
@media (max-width: 720px) {
  .cmp-gorseller { grid-template-columns: 1fr; gap: 16px; }
  .cmp-3d img { height: 185px; }
  .cmp-plan img { height: 150px; }
}

/* ---------- Harita: deneyim ülkeleri + lejant ---------- */
.spec-chip-lite { background: transparent; border-color: rgba(255,255,255,.22); color: var(--steel-200, #c3cfdb); }
.map-leg { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono, 'IBM Plex Mono', monospace); font-size: 11.5px; letter-spacing: .04em; color: var(--steel-200, #c3cfdb); }
.map-leg i { width: 13px; height: 13px; display: inline-block; clip-path: var(--cut-tr); }