/* ============================================================
   RENK FERMUAR — Stil Sistemi
   Beyaz + Açık + Premium + Üretim Odaklı
   ============================================================ */
:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-alt: #f6f7f9;
  --surface-2: #eef0f3;
  --line: #e7e9ee;
  --ink: #14141a;
  --ink-2: #44454f;
  --muted: #7a7d88;
  --accent: #ff3d57;
  --accent-ink: #ff3d57;
  --accent-soft: rgba(255, 61, 87, 0.1);
  --accent-blue: #2f6bff;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --shadow: 0 10px 30px -12px rgba(20, 20, 26, 0.12);
  --shadow-lg: 0 24px 60px -20px rgba(20, 20, 26, 0.22);
  --container: 1200px;
  --header-h: 78px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --section-y: clamp(64px, 8.5vw, 116px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: hidden; }
body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
.ic { width: 20px; height: 20px; flex-shrink: 0; display: inline-block; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; line-height: 1.14; letter-spacing: -0.02em; font-weight: 800; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 22px; }
.container.narrow { max-width: 820px; }
.section { padding: var(--section-y) 0; position: relative; }
.section-alt { background: var(--surface-alt); }

/* ---------------- Butonlar ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 700; border: 0; border-radius: var(--radius-pill);
  padding: 13px 24px; font-size: 0.95rem; transition: transform 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease), color 0.25s var(--ease);
  position: relative; overflow: hidden;
}
.btn .ic { width: 17px; height: 17px; transition: transform 0.25s var(--ease); }
.btn-sm { padding: 10px 18px; font-size: 0.88rem; }
.btn-md { padding: 12px 22px; font-size: 0.95rem; }
.btn-lg { padding: 15px 30px; font-size: 1.02rem; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 20px -8px rgba(255, 61, 87, 0.55); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px -10px rgba(255, 61, 87, 0.6); }
.btn-primary:hover .ic { transform: translateX(3px); }
.btn-outline { background: #fff; color: var(--ink); border: 1.5px solid var(--line); }
.btn-outline:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn-ghost { background: var(--surface-2); color: var(--ink); }
.btn-ghost:hover { background: #e4e7ec; transform: translateY(-2px); }
.btn::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at center, rgba(255,255,255,0.5), transparent 60%); opacity: 0; transform: scale(0.4); transition: opacity 0.4s, transform 0.4s; }
.btn:active::after { opacity: 1; transform: scale(1.2); transition: 0s; }

/* ---------------- HEADER ---------------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: padding 0.35s var(--ease), background 0.35s var(--ease), box-shadow 0.35s var(--ease), backdrop-filter 0.35s var(--ease);
}
.site-header .header-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; height: var(--header-h); transition: height 0.35s var(--ease); }
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px) saturate(1.4);
  box-shadow: 0 10px 30px -18px rgba(20, 20, 26, 0.3);
  border-bottom-color: var(--line);
}
.site-header.scrolled .header-inner { height: 64px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  color: #fff; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #ff6b80);
  box-shadow: 0 6px 16px -6px rgba(255, 61, 87, 0.7);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.brand:hover .brand-mark { transform: rotate(-10deg) scale(1.05); }
.brand-text { display: flex; flex-direction: column; line-height: 1.02; }
.brand-text strong { font-size: 1.06rem; letter-spacing: -0.02em; transition: font-size 0.35s var(--ease); }
.brand-text em { font-style: normal; font-size: 0.62rem; letter-spacing: 0.22em; color: var(--muted); font-weight: 700; text-transform: uppercase; }
.site-header.scrolled .brand-text strong { font-size: 0.97rem; }

.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  position: relative; padding: 9px 15px; border-radius: var(--radius-pill);
  font-size: 0.9rem; font-weight: 600; color: var(--ink-2);
  transition: color 0.22s var(--ease), background 0.22s var(--ease);
}
.main-nav a::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 4px; height: 2px;
  background: var(--accent); border-radius: 2px; transform: scaleX(0); transform-origin: center;
  transition: transform 0.3s var(--ease);
}
.main-nav a:hover { color: var(--ink); }
.main-nav a.active { color: var(--accent-ink); }
.main-nav a.active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 10px; }
.lang { position: relative; }
.lang-toggle {
  display: inline-flex; align-items: center; gap: 6px; padding: 9px 14px; border-radius: var(--radius-pill);
  border: 1.5px solid var(--line); background: #fff; font-weight: 700; font-size: 0.85rem; color: var(--ink);
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}
.lang-toggle:hover { border-color: var(--ink); box-shadow: var(--shadow); }
.lang .caret { transition: transform 0.25s var(--ease); }
.lang-menu {
  position: absolute; top: calc(100% + 10px); right: 0; min-width: 168px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 6px;
  opacity: 0; transform: translateY(-8px) scale(0.97); transform-origin: top right; pointer-events: none;
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease); z-index: 5;
}
.lang-menu.open { opacity: 1; transform: none; pointer-events: auto; }
.lang-menu li button {
  width: 100%; text-align: left; padding: 11px 13px; border: 0; background: none; border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 600; color: var(--ink); transition: background 0.18s var(--ease);
}
.lang-menu li button:hover { background: var(--surface-alt); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px; border: 1.5px solid var(--line);
  border-radius: 12px; background: #fff; align-items: center; justify-content: center;
}
.nav-toggle span { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav { display: none; }

.skip-link { position: fixed; top: -60px; left: 16px; z-index: 400; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 10px; transition: top 0.25s var(--ease); }
.skip-link:focus { top: 12px; }

/* ---------------- HERO ---------------- */
.hero { position: relative; padding-top: calc(var(--header-h) + 36px); padding-bottom: 40px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; min-height: 78vh; }
.hero-copy { max-width: 560px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-ink); background: var(--accent-soft); padding: 7px 14px; border-radius: var(--radius-pill); }
.display { font-size: clamp(2.4rem, 5.4vw, 4.1rem); font-weight: 900; letter-spacing: -0.03em; line-height: 1.02; margin-top: 18px; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--ink-2); margin-top: 18px; line-height: 1.5; }
.hero-body { color: var(--ink-2); margin-top: 16px; font-size: 1rem; }
.hero-cta { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.trust-list { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 30px; }
.trust-list li { display: flex; align-items: center; gap: 8px; font-size: 0.92rem; color: var(--ink-2); font-weight: 600; }
.trust-check { color: var(--accent); display: inline-flex; }
.trust-check .ic { width: 18px; height: 18px; }

.hero-stage { position: relative; display: flex; flex-direction: column; align-items: center; }
.hero-zz { width: 100%; max-width: 320px; aspect-ratio: 230 / 560; transition: transform 0.3s var(--ease-out); will-change: transform; }
.drag-hint { margin-top: 14px; font-size: 0.85rem; font-weight: 600; color: var(--muted); letter-spacing: 0.02em; }
.hero-fade { position: absolute; left: 0; right: 0; bottom: 0; height: 120px; background: linear-gradient(to bottom, transparent, #fff); pointer-events: none; }

/* ---------------- SECTION HEAD ---------------- */
.section-head { max-width: 760px; margin-bottom: clamp(30px, 4vw, 52px); }
.section-head .eyebrow { margin-bottom: 16px; }
.h2 { font-size: clamp(1.7rem, 3.4vw, 2.7rem); font-weight: 800; margin-top: 12px; }
.section-intro { color: var(--ink-2); margin-top: 16px; font-size: 1.05rem; max-width: 720px; }

/* ---------------- FERMUAR NEDEN ÖNEMLİ ---------------- */
.importance-grid { display: grid; grid-template-columns: 1fr 0.8fr; gap: 48px; align-items: center; }
.importance-points { display: grid; gap: 14px; }
.imp-point { display: flex; align-items: center; gap: 16px; padding: 16px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease); }
.imp-point:hover { transform: translateX(6px); border-color: var(--accent); box-shadow: var(--shadow); }
.imp-num { width: 34px; height: 34px; flex-shrink: 0; border-radius: 50%; background: var(--accent-soft); color: var(--accent-ink); font-weight: 800; display: grid; place-items: center; }
.importance-visual { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow); }
.importance-visual .zz-mount { width: 100%; max-width: 220px; margin-inline: auto; height: min(50vh, 420px); }

/* ---------------- KATEGORİLER ---------------- */
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.category-grid > *, .product-grid > *, .why-grid > *, .quality-grid > *, .process-track > * { min-width: 0; }
.category-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease); }
.category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.category-media { aspect-ratio: 3 / 2; background: radial-gradient(120% 120% at 50% 0%, #fff, #eef0f3); border-bottom: 1px solid var(--line); overflow: hidden; position: relative; }
.category-media .zz-mount { position: absolute; inset: 14% 30%; transition: transform 0.5s var(--ease); }
.category-card:hover .category-media .zz-mount { transform: scale(1.12); }
.category-body { padding: 22px 24px 26px; }
.category-body h3 { font-size: 1.2rem; }
.category-body .pdesc { color: var(--ink-2); margin-top: 10px; font-size: 0.94rem; }

/* ---------------- ÜRÜNLER ---------------- */
.filter-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.chip { padding: 9px 18px; border-radius: var(--radius-pill); border: 1.5px solid var(--line); background: #fff; font-weight: 600; font-size: 0.9rem; transition: all 0.22s var(--ease); }
.chip:hover { border-color: var(--accent); color: var(--accent-ink); }
.chip.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; cursor: pointer; transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease); }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-media { position: relative; aspect-ratio: 1.5 / 1; background-color: #f4f6f8; background-size: cover; background-position: center; border-bottom: 1px solid var(--line); overflow: hidden; }
.product-media .zz-mount { position: absolute; inset: 12% 22%; transition: transform 0.5s var(--ease); }
.product-card:hover .product-media .zz-mount { transform: scale(1.1); }
.product-tag { position: absolute; top: 12px; left: 12px; background: var(--ink); color: #fff; font-size: 0.72rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; z-index: 2; }
.product-type { position: absolute; top: 12px; right: 12px; background: #fff; color: var(--ink-2); font-size: 0.7rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); z-index: 2; }
.product-body { padding: 18px 18px 20px; }
.product-body h3 { font-size: 1.08rem; }
.product-body .pdesc { color: var(--ink-2); font-size: 0.88rem; margin-top: 7px; line-height: 1.5; }
.pspecs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.pspecs li { font-size: 0.72rem; font-weight: 600; color: var(--ink-2); background: var(--surface-alt); border: 1px solid var(--line); padding: 4px 9px; border-radius: 7px; }
.swatches { display: flex; gap: 6px; margin-top: 14px; }
.swatches .swatch { width: 18px; height: 18px; border-radius: 6px; border: 1px solid rgba(0,0,0,0.08); cursor: pointer; transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease); }
.swatches .swatch:hover { transform: translateY(-2px); }
.swatches .swatch.active { border-color: var(--ink); box-shadow: 0 0 0 3px rgba(47,107,255,0.18); transform: translateY(-2px); }
.product-link { margin-top: 16px; display: inline-flex; align-items: center; gap: 7px; color: var(--accent-ink); font-weight: 700; font-size: 0.92rem; }
.product-link .ic { width: 16px; height: 16px; transition: transform 0.25s var(--ease); }
.product-card:hover .product-link .ic { transform: translateX(4px); }

/* ---------------- FERMUAR PARÇALARI ---------------- */
.parts-layout { display: flex; justify-content: center; }
.parts-stage { position: relative; width: 100%; max-width: 420px; margin-inline: auto; height: min(58vh, 540px); }
.part-hot { position: absolute; cursor: pointer; border-radius: 14px; transition: background 0.3s var(--ease); }
.part-hot .part-dot { position: absolute; left: 50%; top: 50%; width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%; background: #fff; border: 3px solid var(--accent); box-shadow: 0 2px 8px rgba(20,20,26,0.18); opacity: 0; transform: scale(0.6); transition: opacity 0.3s var(--ease), transform 0.3s var(--ease); pointer-events: none; }
.part-hot .part-label { position: absolute; left: 50%; top: calc(50% + 22px); transform: translateX(-50%) translateY(6px); background: var(--ink); color: #fff; font-size: 0.78rem; font-weight: 600; padding: 5px 11px; border-radius: 999px; white-space: nowrap; pointer-events: none; opacity: 0; transition: opacity 0.25s var(--ease), transform 0.25s var(--ease); }
.part-hot:hover, .part-hot.active { background: rgba(47,107,255,0.06); }
.part-hot:hover .part-dot, .part-hot.active .part-dot { opacity: 1; transform: scale(1); }
.part-hot:hover .part-label, .part-hot.active .part-label { opacity: 1; transform: translateX(-50%) translateY(0); }
.parts-stage.focused .part-hot.dim { opacity: 0.35; filter: saturate(0.7); }
.part-tooltip { position: absolute; left: calc(100% + 16px); top: 50%; transform: translateY(-50%) scale(0.96); width: 220px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: opacity 0.3s var(--ease), transform 0.3s var(--ease); z-index: 5; }
.part-tooltip.show { opacity: 1; transform: translateY(-50%) scale(1); }
.part-tooltip h4 { font-size: 1.05rem; margin-bottom: 6px; }
.part-tooltip p { color: var(--ink-2); font-size: 0.9rem; }

/* ---------------- RENKLER ---------------- */
.recolor-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.recolor-stage { position: relative; width: 100%; max-width: 320px; margin-inline: auto; height: min(60vh, 520px); }
.color-picker { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.opt-color { position: relative; width: 42px; height: 42px; border-radius: 12px; border: 2px solid var(--line); transition: transform 0.22s var(--ease), border-color 0.22s var(--ease), box-shadow 0.22s var(--ease); }
.opt-color:hover { transform: translateY(-2px); }
.opt-color.active { border-color: var(--ink); box-shadow: 0 0 0 3px var(--accent-soft); }
.recolor-name { margin-top: 18px; font-size: 1.02rem; }
.recolor-name strong { color: var(--accent-ink); }

/* ---------------- ÜRETİM ---------------- */
.process-track { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 30px; }
.process-step { text-align: center; position: relative; padding-top: 12px; }
.process-step::after { content: ""; position: absolute; top: 38px; left: 50%; width: 100%; height: 2px; background: var(--line); z-index: 0; }
.process-step:last-child::after { display: none; }
.ps-circle { position: relative; z-index: 1; width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%; background: #fff; border: 2px solid var(--line); display: grid; place-items: center; transition: background 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.4s var(--ease); }
.ps-num { font-weight: 800; font-size: 1.2rem; color: var(--muted); transition: color 0.4s var(--ease); }
.process-step.in .ps-circle { background: var(--accent); border-color: var(--accent); transform: scale(1.06); }
.process-step.in .ps-num { color: #fff; }
.process-step h3 { font-size: 1.05rem; }
.process-step .pdesc { color: var(--ink-2); font-size: 0.86rem; margin-top: 8px; }

/* ---------------- KALİTE ---------------- */
.quality-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 30px; }
.quality-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 20px; transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease); }
.quality-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--accent); }
.qc-icon { color: var(--accent); display: inline-flex; }
.qc-icon .ic { width: 26px; height: 26px; }
.quality-card h3 { font-size: 1.05rem; margin-top: 12px; }
.quality-card .pdesc { color: var(--ink-2); font-size: 0.88rem; margin-top: 8px; }

/* ---------------- ÖZEL ÜRETİM / KONFİGÜRATÖR ---------------- */
.configurator { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow); }
.config-stage { position: relative; width: 100%; max-width: 300px; margin-inline: auto; height: min(60vh, 520px); }
.config-panel h3 { font-size: 1.05rem; margin: 22px 0 12px; }
.config-panel h3:first-child { margin-top: 0; }
.opt-row { display: flex; gap: 10px; flex-wrap: wrap; }
.opt { padding: 9px 16px; border-radius: var(--radius-pill); border: 1.5px solid var(--line); background: #fff; font-weight: 600; font-size: 0.88rem; transition: all 0.25s var(--ease); }
.opt:hover { border-color: var(--accent); }
.opt.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.config-summary { margin-top: 22px; background: var(--surface-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.cs-title { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.config-summary dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; }
.config-summary dl > div { display: flex; flex-direction: column; gap: 2px; }
.config-summary dt { font-size: 0.74rem; color: var(--muted); font-weight: 600; }
.config-summary dd { margin: 0; font-size: 1rem; font-weight: 700; color: var(--ink); }
.config-done { margin-top: 26px; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }

/* ---------------- SEKTÖRLER ---------------- */
.sector-scroller { overflow-x: auto; padding: 8px 2px 22px; -webkit-overflow-scrolling: touch; scrollbar-width: thin; }
.sector-scroller::-webkit-scrollbar { height: 8px; }
.sector-scroller::-webkit-scrollbar-thumb { background: var(--line); border-radius: 8px; }
.sector-track { display: flex; gap: 20px; width: max-content; }
.sector-card { width: 258px; flex-shrink: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px; display: flex; flex-direction: column; transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease); }
.sector-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--accent); }
.sector-zz { width: 100%; height: 132px; margin-bottom: 16px; position: relative; border-radius: var(--radius); background: radial-gradient(120% 120% at 50% 0%, #fff, #eef0f3); border: 1px solid var(--line); overflow: hidden; }
.sector-zz .zz-mount { position: absolute; inset: 12% 36%; }
.sector-card h3 { font-size: 1.08rem; line-height: 1.2; }
.sector-card .pdesc { color: var(--ink-2); font-size: 0.88rem; margin-top: 8px; }

/* ---------------- NEDEN ---------------- */
.why-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 30px; }
.why-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 20px; transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease); }
.why-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--accent); }
.why-icon { color: var(--accent); display: inline-flex; }
.why-icon .ic { width: 28px; height: 28px; }
.why-card h3 { font-size: 1rem; margin-top: 12px; line-height: 1.3; }
.why-card .pdesc { color: var(--ink-2); font-size: 0.86rem; margin-top: 8px; }

/* ---------------- HAKKIMIZDA ---------------- */
.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-visual { position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius-lg); overflow: hidden; background: linear-gradient(135deg, #1d1d25, #2c2c38); box-shadow: var(--shadow-lg); }
.about-visual .zz-mount { position: absolute; inset: 16% 34%; }
.about-copy p { color: var(--ink-2); margin-top: 16px; font-size: 1.02rem; }

/* ---------------- İSTATİSTİK ---------------- */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 32px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 18px; text-align: center; }
.stat-num { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; color: var(--ink); letter-spacing: -0.02em; }
.stat-label { margin-top: 6px; font-size: 0.84rem; color: var(--ink-2); font-weight: 600; }

/* ---------------- FAQ ---------------- */
.faq-list { margin-top: 30px; display: grid; gap: 14px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease); }
.faq-item.open { border-color: var(--accent); box-shadow: var(--shadow); }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 20px 22px; background: none; border: 0; text-align: left; font-size: 1.05rem; font-weight: 700; color: var(--ink); }
.faq-ico { color: var(--muted); transition: transform 0.3s var(--ease); flex-shrink: 0; }
.faq-ico .ic { width: 20px; height: 20px; }
.faq-item.open .faq-ico { transform: rotate(180deg); color: var(--accent); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.faq-item.open .faq-a { max-height: 320px; }
.faq-a-inner { padding: 0 22px 20px; }
.faq-a .pdesc { color: var(--ink-2); }

/* ---------------- İLETİŞİM ---------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 44px; box-shadow: var(--shadow); }
.contact-info p { color: var(--ink-2); margin-top: 14px; }
.contact-item { display: flex; align-items: center; gap: 12px; margin-top: 18px; font-weight: 600; }
.contact-item .ic { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; }
.contact-item a { color: var(--accent-ink); }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 7px; }
.form-field input, .form-field textarea { width: 100%; padding: 13px 15px; border-radius: var(--radius-sm); border: 1.5px solid var(--line); font-family: inherit; font-size: 0.95rem; background: var(--surface-alt); transition: border-color 0.25s var(--ease), background 0.25s var(--ease); }
.form-field input:focus, .form-field textarea:focus { border-color: var(--accent); background: #fff; outline: none; }
.form-success { text-align: center; padding: 28px 16px; }
.form-success .check-ring { width: 64px; height: 64px; margin: 0 auto 14px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-ink); display: grid; place-items: center; }
.form-success .check-ring .ic { width: 30px; height: 30px; }
.form-success h3 { font-size: 1.3rem; }
.form-success p { color: var(--ink-2); margin-top: 8px; }

/* ---------------- FOOTER CTA + FOOTER ---------------- */
.footer-cta {
  position: relative; background: linear-gradient(135deg, #1d1d25, #2c2c38); color: #fff;
  padding: clamp(64px, 9vw, 120px) 0; overflow: hidden; text-align: center;
  margin-top: clamp(40px, 6vw, 80px); margin-bottom: clamp(48px, 7vw, 96px);
}
.footer-cta::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.footer-cta .container { position: relative; z-index: 2; max-width: 760px; }
.footer-cta-title { font-size: clamp(1.9rem, 4.4vw, 3.2rem); font-weight: 900; letter-spacing: -0.02em; line-height: 1.05; }
.footer-cta p { margin-top: 18px; color: rgba(255,255,255,0.8); font-size: 1.1rem; }
.footer-cta .btn { margin-top: 30px; }

.footer-teeth { position: absolute; inset: 0; z-index: 1; opacity: 0.35; --ft-prog: 0; pointer-events: none; transition: opacity 0.3s var(--ease); }
.footer-teeth::before { content: ""; position: absolute; top: 50%; left: -10%; width: 120%; height: 30px; background-image: repeating-linear-gradient(90deg, rgba(255,255,255,0.5) 0 14px, transparent 14px 28px); transform: translateX(calc(var(--ft-prog) * -90px)); animation: teethFlow 8s linear infinite; }
@keyframes teethFlow { from { background-position: 0 0; } to { background-position: -28px 0; } }
.footer-cta:hover .footer-teeth { opacity: 0.55; }

.site-footer { background: var(--surface-alt); border-top: 1px solid var(--line); padding: 64px 0 28px; position: relative; }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--accent), transparent); }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.3fr; gap: 34px; }
.footer-col p { color: var(--ink-2); margin-top: 14px; font-size: 0.92rem; max-width: 290px; line-height: 1.6; }
.footer-col h4 { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; font-weight: 700; }
.footer-links, .footer-contact { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-links a { color: var(--ink-2); font-size: 0.92rem; transition: color 0.2s var(--ease); position: relative; display: inline-block; }
.footer-links a:hover { color: var(--accent-ink); }
.footer-contact li { display: flex; align-items: center; gap: 10px; color: var(--ink-2); font-size: 0.92rem; }
.footer-grid .footer-links a::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 1.5px; background: var(--accent); transition: width 0.25s var(--ease); }
.footer-grid .footer-links a:hover::after { width: 100%; }
.socials { display: flex; gap: 10px; margin-top: 18px; }
.socials a { width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line); background: #fff; display: grid; place-items: center; color: var(--ink); transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease); }
.socials a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-3px); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.85rem; }
.footer-slogan { font-weight: 600; color: var(--ink-2); }

/* ---------------- MODAL ---------------- */
.product-modal { position: fixed; inset: 0; z-index: 200; background: rgba(20,20,26,0.55); backdrop-filter: blur(6px); display: grid; place-items: center; padding: 20px; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease); }
.product-modal.show { opacity: 1; visibility: visible; pointer-events: auto; }
.product-modal[hidden] { display: none; }
.modal-card {
  background: #fff; border-radius: var(--radius-lg); max-width: 860px; width: 100%; position: relative;
  display: grid; grid-template-columns: 0.85fr 1.15fr; overflow: hidden;
  box-shadow: 0 40px 100px -30px rgba(20,20,26,0.5);
  transform: translateY(28px) scale(0.96); opacity: 0;
  transition: transform 0.45s var(--ease-out), opacity 0.4s var(--ease-out);
  max-height: 90vh;
}
.product-modal.show .modal-card { transform: none; opacity: 1; }
.modal-visual { background: radial-gradient(120% 120% at 50% 0%, #fff, #eef0f3); border-right: 1px solid var(--line); position: relative; min-height: 320px; }
.modal-visual .zz-mount { position: absolute; inset: 14% 26%; }
.modal-body { padding: 32px 32px 30px; overflow-y: auto; max-height: 90vh; }
.modal-close { position: absolute; top: 16px; right: 16px; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); background: #fff; font-size: 1.1rem; color: var(--ink); display: grid; place-items: center; z-index: 4; transition: all 0.2s var(--ease); }
.modal-close:hover { background: var(--ink); color: #fff; transform: rotate(90deg); }
.modal-head { padding-right: 40px; }
.modal-head h3 { font-size: 1.6rem; letter-spacing: -0.02em; }
.modal-cat { font-size: 0.85rem; color: var(--muted); font-weight: 600; }
.modal-desc { color: var(--ink-2); margin-top: 12px; line-height: 1.6; }
.modal-highlights { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.modal-highlights span { font-size: 0.78rem; font-weight: 600; color: var(--ink); background: var(--surface-alt); border: 1px solid var(--line); padding: 6px 12px; border-radius: 999px; }
.modal-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 22px; }
.modal-cols h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 10px; }
.modal-actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }

/* ---------------- ZİPPER TABANI ---------------- */
.zz { width: 100%; height: 100%; display: block; overflow: visible; }
.zz-mount { position: relative; }
/* stage içindeki mount'lar stage'i doldursun (aspect-ratio yüksekliği çökmesin) */
.recolor-stage > .zz-mount,
.config-stage > .zz-mount,
.parts-stage > .zz-mount { position: absolute; inset: 0; }
.zz-tape { stroke: rgba(0,0,0,0.05); stroke-width: 1; }
.zz-stitch { fill: none; stroke: rgba(0,0,0,0.12); stroke-width: 1.4; stroke-dasharray: 4 4; }
.zz-slider { cursor: grab; }
.zz-mount.grabbing .zz-slider, .zz-slider.grabbing { cursor: grabbing; }
.zz-slider-body { filter: drop-shadow(0 4px 6px rgba(0,0,0,0.15)); }

/* ---------------- REVEAL ANİMASYONU ---------------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); transition-delay: var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }
.js .reveal[data-dir="left"] { transform: translateX(-24px); }
.js .reveal[data-dir="right"] { transform: translateX(24px); }
.js .reveal[data-dir="left"].in, .js .reveal[data-dir="right"].in { transform: none; }
.js .reveal[data-dir="up"] { transform: translateY(40px); }
.js .reveal[data-dir="up"].in, .js .reveal[data-dir="down"].in { transform: none; }

/* ---------------- HERO ENTRANCE ---------------- */
.js .hero-enter > * { opacity: 0; transform: translateY(18px); }
.js .hero.play .hero-enter > * { animation: heroIn 0.7s var(--ease-out) forwards; }
.js .hero.play .hero-enter > *:nth-child(1) { animation-delay: 0.05s; }
.js .hero.play .hero-enter > *:nth-child(2) { animation-delay: 0.15s; }
.js .hero.play .hero-enter > *:nth-child(3) { animation-delay: 0.25s; }
.js .hero.play .hero-enter > *:nth-child(4) { animation-delay: 0.35s; }
.js .hero.play .hero-enter > *:nth-child(5) { animation-delay: 0.45s; }
.js .hero.play .hero-stage { animation: heroIn 0.9s 0.3s var(--ease-out) both; }
@keyframes heroIn { to { opacity: 1; transform: none; } }

/* ---------------- PAGE LOADER ---------------- */
.js .page-loader { position: fixed; inset: 0; z-index: 300; background: #fff; display: grid; place-items: center; transition: opacity 0.5s var(--ease), visibility 0.5s var(--ease); }
.page-loader.hide { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-zip { width: 60px; height: 120px; border: 3px solid var(--ink); border-radius: 10px; position: relative; }
.loader-zip::after { content: ""; position: absolute; left: 50%; top: 0; width: 3px; height: 100%; background: var(--accent); transform: translateX(-50%); animation: loadZip 1s var(--ease) infinite; }
@keyframes loadZip { 0%,100% { transform: translateX(-50%) scaleY(0.4); } 50% { transform: translateX(-50%) scaleY(1); } }

/* cPanel / MIME hatası: JS yüklenmezse içerik görünür */
.js-fallback .reveal, .js-fallback .hero-enter > * { opacity: 1 !important; transform: none !important; }
.js-fallback .page-loader { opacity: 0 !important; visibility: hidden !important; pointer-events: none !important; }

.noscript-note { padding: 14px 22px; background: var(--accent-soft); color: var(--ink); text-align: center; font-size: 0.9rem; }

/* ---------------- RESPONSIVE ---------------- */
.mobile-nav.open { display: flex; }
@media (max-width: 1080px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid, .quality-grid, .process-track { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 940px) {
  .main-nav, .header-actions > .btn, .header-actions > #header-search { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-nav { position: fixed; inset: 0; z-index: 150; background: rgba(255,255,255,0.97); backdrop-filter: blur(8px); flex-direction: column; align-items: center; justify-content: center; gap: 8px; opacity: 0; pointer-events: none; transition: opacity 0.3s var(--ease); }
  .mobile-nav.open { opacity: 1; pointer-events: auto; }
  .mobile-nav a { font-size: 1.3rem; font-weight: 700; padding: 12px 24px; color: var(--ink); }
  .mobile-nav .mn-cta { margin-top: 14px; color: var(--accent-ink); }
  .mobile-nav .mn-close { position: absolute; top: 24px; right: 24px; font-size: 1.6rem; }
  .hero-grid, .importance-grid, .about-split, .recolor-layout, .configurator, .contact-grid { grid-template-columns: 1fr; }
  .hero-stage { order: -1; max-width: 360px; margin-inline: auto; }
  .part-tooltip { display: none; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 20px); }
  .configurator, .contact-grid { padding: 26px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .process-step::after { display: none; }
}
@media (max-width: 620px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid, .quality-grid, .process-track { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .config-summary dl { grid-template-columns: 1fr 1fr; }
  .configurator, .contact-grid { padding: 22px; }
  .part-hot .part-dot { opacity: 1; transform: scale(1); }
  .part-hot .part-label { opacity: 1; transform: translateX(-50%) translateY(0); }
  .modal-cols { grid-template-columns: 1fr; }
  .modal-card { grid-template-columns: 1fr; }
  .modal-visual { min-height: 240px; border-right: none; border-bottom: 1px solid var(--line); }
  .modal-body { padding: 24px 22px; }
}
body.nav-open { overflow: hidden; }

/* ---------------- REDUCED MOTION ---------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .js .reveal, .js .hero-enter > * { opacity: 1; transform: none; }
  .js .page-loader { display: none; }
}