/* ==========================================================================
   Öncü Plastik File — ana stil dosyası
   ========================================================================== */

:root {
  --primary: #1b68b8;
  --primary-dark: #0f4c8a;
  --primary-light: #e8f1fb;
  --accent: #2fa4e7;
  --ink: #111823;
  --steel: #1c2531;
  --steel-2: #263241;
  --text: #2c3542;
  --muted: #5e6a79;
  --line: #e3e8ef;
  --bg: #ffffff;
  --bg-alt: #f3f6fa;
  --white: #ffffff;
  --success: #25d366;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(17, 24, 35, .06);
  --shadow: 0 10px 30px rgba(17, 24, 35, .08);
  --shadow-lg: 0 24px 60px rgba(17, 24, 35, .16);

  --font-head: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --container: 1200px;
  --header-h: 84px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-dark); }
h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 .5em;
  font-weight: 700;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; }
button, input, textarea, select { font: inherit; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.bg-alt { background: var(--bg-alt); }
.text-center { text-align: center; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* File (ağ) desenli dekor arka plan */
.mesh-bg {
  background-color: var(--steel);
  background-image:
    repeating-linear-gradient(45deg, rgba(255,255,255,.045) 0 2px, transparent 2px 26px),
    repeating-linear-gradient(-45deg, rgba(255,255,255,.045) 0 2px, transparent 2px 26px);
}

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: .9em 1.6em;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600; font-size: 1.02rem; letter-spacing: .01em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn svg { width: 1.15em; height: 1.15em; flex-shrink: 0; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 22px rgba(27,104,184,.35); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); }
.btn-outline { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-outline-dark { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-outline-dark:hover { border-color: var(--primary); color: var(--primary); }
.btn-whatsapp { background: var(--success); color: #fff; }
.btn-whatsapp:hover { background: #1eb957; color: #fff; transform: translateY(-2px); }
.btn-block { width: 100%; }

/* ---------- Üst bilgi çubuğu ---------- */
.topbar {
  background: var(--ink);
  color: rgba(255,255,255,.75);
  font-size: .86rem;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; min-height: 40px; gap: 16px; }
.topbar a { color: rgba(255,255,255,.85); }
.topbar a:hover { color: #fff; }
.topbar-list { display: flex; gap: 24px; list-style: none; align-items: center; }
.topbar-list li { display: inline-flex; align-items: center; gap: 8px; }
.topbar svg { width: 15px; height: 15px; color: var(--accent); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s, border-color .25s;
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); border-color: var(--line); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 20px; }

.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-emblem { height: 56px; width: auto; }
.brand-wordmark { height: 40px; width: auto; }

.main-nav ul { display: flex; list-style: none; gap: 4px; align-items: center; }
.main-nav a {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  border-radius: 8px;
  position: relative;
}
.main-nav a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px;
  background: var(--primary); transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.main-nav a.active { color: var(--primary); }
.header-cta { display: flex; align-items: center; gap: 12px; }
.header-cta .btn { padding: .7em 1.3em; font-size: .98rem; }

.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff;
  align-items: center; justify-content: center; cursor: pointer; padding: 0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; position: relative; transition: transform .25s, background .25s;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: min(88vh, 820px);
  display: flex; align-items: center;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero-media { position: absolute; inset: 0; z-index: -2; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); animation: heroZoom 18s ease-out forwards; }
@keyframes heroZoom { to { transform: scale(1); } }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(100deg, rgba(10,18,30,.92) 0%, rgba(10,18,30,.78) 42%, rgba(15,76,138,.35) 100%);
}
.hero::after {
  content: ""; position: absolute; right: -120px; bottom: -120px; width: 520px; height: 520px; z-index: -1;
  background-image:
    repeating-linear-gradient(45deg, rgba(47,164,231,.22) 0 2px, transparent 2px 30px),
    repeating-linear-gradient(-45deg, rgba(47,164,231,.22) 0 2px, transparent 2px 30px);
  border-radius: 50%;
  mask-image: radial-gradient(circle, #000 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle, #000 30%, transparent 70%);
}
.hero .container { padding-top: 80px; padding-bottom: 80px; }
.hero-content { max-width: 680px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-head); font-weight: 600; font-size: .92rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.hero h1 { color: #fff; margin-bottom: 22px; }
.hero h1 span { color: var(--accent); }
.hero p.lead { font-size: 1.15rem; color: rgba(255,255,255,.85); max-width: 580px; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 48px; padding-top: 30px; border-top: 1px solid rgba(255,255,255,.15); }
.hero-badges div { display: flex; align-items: center; gap: 10px; font-weight: 500; color: rgba(255,255,255,.9); font-size: .98rem; }
.hero-badges svg { width: 22px; height: 22px; color: var(--accent); flex-shrink: 0; }

/* ---------- Sayfa başlığı (iç sayfalar) ---------- */
.page-hero {
  position: relative; color: #fff; padding: 110px 0 90px; overflow: hidden; isolation: isolate;
}
.page-hero img.bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.page-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(100deg, rgba(10,18,30,.92), rgba(10,18,30,.66) 60%, rgba(15,76,138,.45)); }
.page-hero h1 { color: #fff; margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,.82); max-width: 640px; font-size: 1.1rem; margin: 0; }
.breadcrumb { display: flex; gap: 8px; list-style: none; font-size: .9rem; margin-bottom: 16px; color: rgba(255,255,255,.65); }
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: rgba(255,255,255,.4); }

/* ---------- Bölüm başlıkları ---------- */
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-head p { color: var(--muted); font-size: 1.08rem; margin: 0; }
.section-head .eyebrow { color: var(--primary); }
.section-head.center .eyebrow::after { content: ""; width: 28px; height: 2px; background: currentColor; }

/* ---------- Özellik kartları ---------- */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: transform .25s, box-shadow .25s, border-color .25s;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.feature-icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--primary-light); color: var(--primary);
  margin-bottom: 20px;
}
.feature-icon svg { width: 28px; height: 28px; }
.feature h3 { font-size: 1.2rem; margin-bottom: 8px; }
.feature p { color: var(--muted); margin: 0; font-size: .97rem; }

/* Hero altına binen özellik şeridi */
.features-overlap { margin-top: -70px; position: relative; z-index: 2; }
.features-overlap .feature { box-shadow: var(--shadow); border-color: transparent; }

/* ---------- Ürün kategori kartları ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.cat-card {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
  transition: transform .3s, box-shadow .3s;
  color: inherit;
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); color: inherit; }
.cat-media { aspect-ratio: 4 / 3; overflow: hidden; background: #fff; }
.cat-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.cat-media.contain img { object-fit: contain; padding: 14px; }
.cat-card:hover .cat-media img { transform: scale(1.06); }
.cat-body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; border-top: 1px solid var(--line); }
.cat-body h3 { margin-bottom: 8px; }
.cat-body p { color: var(--muted); font-size: .97rem; flex: 1; }
.cat-link { font-family: var(--font-head); font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.cat-link svg { width: 18px; height: 18px; transition: transform .25s; }
.cat-card:hover .cat-link svg { transform: translateX(4px); }

/* ---------- Bölünmüş içerik (görsel + metin) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split.reverse > :first-child { order: 2; }
.split-media { position: relative; }
.split-media img { border-radius: var(--radius); box-shadow: var(--shadow-lg); width: 100%; aspect-ratio: 5 / 4; object-fit: cover; }
.split-media .float-img {
  position: absolute; width: 46%; right: -24px; bottom: -36px;
  border: 6px solid #fff; border-radius: var(--radius); aspect-ratio: 1; box-shadow: var(--shadow-lg);
}
.split-media::before {
  content: ""; position: absolute; left: -22px; top: -22px; width: 140px; height: 140px; z-index: -1;
  background-image:
    repeating-linear-gradient(45deg, rgba(27,104,184,.35) 0 2px, transparent 2px 14px),
    repeating-linear-gradient(-45deg, rgba(27,104,184,.35) 0 2px, transparent 2px 14px);
  border-radius: 12px;
}
.split-content .lead { font-size: 1.1rem; color: var(--muted); }
.check-list { list-style: none; display: grid; gap: 12px; margin: 24px 0 32px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; }
.check-list svg { width: 22px; height: 22px; color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.check-list.two-col { grid-template-columns: 1fr 1fr; }

/* ---------- Süreç adımları ---------- */
.process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; counter-reset: step; position: relative; }
.process-step {
  position: relative; text-align: center; padding: 0 6px;
}
.process-step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  display: grid; place-items: center;
  width: 74px; height: 74px; margin: 0 auto 20px;
  border-radius: 50%;
  background: #fff; color: var(--primary);
  font-family: var(--font-head); font-weight: 700; font-size: 1.5rem;
  border: 2px solid var(--primary);
  box-shadow: 0 0 0 8px var(--primary-light);
  position: relative; z-index: 1;
}
.process-step:not(:last-child)::after {
  content: ""; position: absolute; top: 37px; left: calc(50% + 46px); right: calc(-50% + 46px);
  border-top: 2px dashed #b8cde4;
}
.process-step h3 { font-size: 1.15rem; margin-bottom: 6px; }
.process-step p { color: var(--muted); font-size: .94rem; margin: 0; }
.mesh-bg .process-step h3 { color: #fff; }
.mesh-bg .process-step p { color: rgba(255,255,255,.7); }
.mesh-bg .process-step::before { background: var(--steel-2); color: #fff; border-color: var(--accent); box-shadow: 0 0 0 8px rgba(47,164,231,.15); }
.mesh-bg .process-step:not(:last-child)::after { border-color: rgba(255,255,255,.25); }

/* ---------- Koyu bant / sektörler ---------- */
.dark-band { color: rgba(255,255,255,.85); }
.dark-band h2, .dark-band h3 { color: #fff; }
.dark-band .section-head p { color: rgba(255,255,255,.7); }
.dark-band .section-head .eyebrow { color: var(--accent); }

.sector-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.sector {
  position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 3 / 4;
  display: flex; align-items: flex-end; color: #fff; isolation: isolate;
}
.sector img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .6s; }
.sector::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, transparent 35%, rgba(10,18,30,.92)); }
.sector:hover img { transform: scale(1.07); }
.sector-body { padding: 22px; }
.sector-body h3 { color: #fff; font-size: 1.25rem; margin-bottom: 4px; }
.sector-body p { margin: 0; font-size: .92rem; color: rgba(255,255,255,.78); }

/* ---------- İstatistik / değerler ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { text-align: center; padding: 28px 16px; border-radius: var(--radius); background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); }
.stat strong { display: block; font-family: var(--font-head); font-size: 2.4rem; color: #fff; line-height: 1.1; }
.stat span { color: rgba(255,255,255,.72); font-size: .95rem; }

/* ---------- CTA ---------- */
.cta {
  position: relative; overflow: hidden; border-radius: 22px;
  padding: 64px 56px;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center;
  background: linear-gradient(120deg, var(--primary-dark), var(--primary) 60%, var(--accent));
  color: #fff;
  isolation: isolate;
}
.cta::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    repeating-linear-gradient(45deg, rgba(255,255,255,.08) 0 2px, transparent 2px 24px),
    repeating-linear-gradient(-45deg, rgba(255,255,255,.08) 0 2px, transparent 2px 24px);
  mask-image: linear-gradient(90deg, transparent 30%, #000);
  -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000);
}
.cta h2 { color: #fff; margin-bottom: 10px; }
.cta p { margin: 0; color: rgba(255,255,255,.88); font-size: 1.08rem; }
.cta-actions { display: flex; flex-direction: column; gap: 12px; align-items: stretch; }
.cta .btn-light { background: #fff; color: var(--primary-dark); }
.cta .btn-light:hover { background: var(--ink); color: #fff; }

/* ---------- Ürün detay blokları ---------- */
.product-nav {
  position: sticky; top: var(--header-h); z-index: 50;
  background: #fff; border-bottom: 1px solid var(--line);
}
.product-nav ul { display: flex; gap: 6px; list-style: none; overflow-x: auto; padding: 12px 0; scrollbar-width: none; }
.product-nav ul::-webkit-scrollbar { display: none; }
.product-nav a {
  display: block; white-space: nowrap; padding: 8px 16px; border-radius: 999px;
  font-family: var(--font-head); font-weight: 600; color: var(--text); background: var(--bg-alt);
}
.product-nav a:hover, .product-nav a.active { background: var(--primary); color: #fff; }

.product-block { scroll-margin-top: calc(var(--header-h) + 70px); }
.product-block + .product-block { border-top: 1px solid var(--line); }
.product-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.product-gallery a { display: block; border-radius: 12px; overflow: hidden; background: #fff; border: 1px solid var(--line); aspect-ratio: 1; }
.product-gallery a.wide { grid-column: span 2; aspect-ratio: 16 / 9; }
.product-gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.product-gallery a.contain img { object-fit: contain; padding: 10px; }
.product-gallery a:hover img { transform: scale(1.05); }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 26px; list-style: none; }
.tag-list li { padding: 6px 14px; border-radius: 999px; background: var(--primary-light); color: var(--primary-dark); font-size: .88rem; font-weight: 600; }
.spec-table { width: 100%; border-collapse: collapse; margin: 0 0 28px; font-size: .96rem; }
.spec-table th, .spec-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { width: 38%; color: var(--ink); font-weight: 600; background: var(--bg-alt); }

/* ---------- Galeri ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.filter-bar button {
  border: 1px solid var(--line); background: #fff; color: var(--text);
  padding: 9px 20px; border-radius: 999px; cursor: pointer;
  font-family: var(--font-head); font-weight: 600; font-size: 1rem; transition: all .2s;
}
.filter-bar button:hover { border-color: var(--primary); color: var(--primary); }
.filter-bar button.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.gallery-grid { columns: 4 260px; column-gap: 16px; }
.gallery-item {
  break-inside: avoid; margin-bottom: 16px; display: block; position: relative; border-radius: 12px; overflow: hidden; background: #fff;
  border: 1px solid var(--line);
}
.gallery-item img { width: 100%; transition: transform .5s; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 30px 14px 12px;
  background: linear-gradient(transparent, rgba(10,18,30,.85)); color: #fff; font-size: .9rem; font-weight: 500;
  opacity: 0; transform: translateY(8px); transition: all .3s;
}
.gallery-item:hover figcaption { opacity: 1; transform: none; }
.gallery-item.is-hidden { display: none; }
.gallery-strip { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.gallery-strip a { display: block; aspect-ratio: 1; border-radius: 12px; overflow: hidden; }
.gallery-strip img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.gallery-strip a:hover img { transform: scale(1.08); }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 1000; background: rgba(8,12,18,.94);
  display: none; align-items: center; justify-content: center; padding: 60px 70px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 8px; box-shadow: 0 30px 80px rgba(0,0,0,.5); background: #fff; }
.lightbox-caption { position: absolute; bottom: 18px; left: 0; right: 0; text-align: center; color: rgba(255,255,255,.8); font-size: .95rem; padding: 0 20px; }
.lightbox button {
  position: absolute; border: 0; background: rgba(255,255,255,.1); color: #fff;
  width: 50px; height: 50px; border-radius: 50%; cursor: pointer; display: grid; place-items: center; transition: background .2s;
}
.lightbox button:hover { background: var(--primary); }
.lightbox button svg { width: 24px; height: 24px; }
.lb-close { top: 16px; right: 16px; }
.lb-prev { left: 14px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 14px; top: 50%; transform: translateY(-50%); }

/* ---------- İletişim ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 40px; align-items: start; }
.contact-cards { display: grid; gap: 16px; }
.contact-card {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 22px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line);
  color: inherit; transition: border-color .2s, box-shadow .2s;
}
a.contact-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); color: inherit; }
.contact-card .feature-icon { margin: 0; flex-shrink: 0; width: 50px; height: 50px; }
.contact-card h3 { font-size: 1.05rem; margin-bottom: 2px; }
.contact-card p { margin: 0; color: var(--muted); }
.contact-card strong { color: var(--ink); font-weight: 600; word-break: break-word; }

.form-card { background: #fff; border-radius: 18px; padding: 38px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.form-card h2 { font-size: 1.8rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; color: var(--ink); }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1px solid #d3dbe5; border-radius: 10px; background: #fbfcfe; color: var(--ink);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(27,104,184,.12); }
.form-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.form-note { font-size: .85rem; color: var(--muted); margin: 14px 0 0; }
.form-status { display: none; margin-top: 14px; padding: 12px 16px; border-radius: 10px; background: #e9f8ef; color: #17623a; font-size: .95rem; }
.form-status.show { display: block; }

.map-wrap { border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); line-height: 0; }
.map-wrap iframe { width: 100%; height: 440px; border: 0; }

/* ---------- Footer ---------- */
.site-footer { color: rgba(255,255,255,.72); padding-top: 80px; font-size: .96rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 44px; padding-bottom: 56px; }
.footer-logo { width: 200px; margin-bottom: 20px; }
.site-footer h4 { color: #fff; font-size: 1.1rem; margin-bottom: 18px; letter-spacing: .02em; }
.footer-links { list-style: none; display: grid; gap: 10px; }
.footer-links a { color: rgba(255,255,255,.72); }
.footer-links a:hover { color: #fff; }
.footer-contact { list-style: none; display: grid; gap: 14px; }
.footer-contact li { display: flex; gap: 12px; align-items: flex-start; }
.footer-contact svg { width: 18px; height: 18px; color: var(--accent); flex-shrink: 0; margin-top: 4px; }
.footer-contact a { color: rgba(255,255,255,.85); }
.footer-contact a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; font-size: .88rem; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- Sabit butonlar ---------- */
.float-actions { position: fixed; right: 20px; bottom: 20px; z-index: 90; display: flex; flex-direction: column; gap: 12px; }
.float-btn {
  width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; color: #fff;
  box-shadow: 0 10px 28px rgba(0,0,0,.25); transition: transform .2s;
}
.float-btn:hover { transform: scale(1.08); color: #fff; }
.float-btn svg { width: 28px; height: 28px; }
.float-wa { background: var(--success); }
.float-call { background: var(--primary); display: none; }
.to-top {
  width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--ink); color: #fff; cursor: pointer;
  display: grid; place-items: center; align-self: center; opacity: 0; pointer-events: none; transition: opacity .3s;
}
.to-top.show { opacity: .85; pointer-events: auto; }
.to-top svg { width: 20px; height: 20px; }

/* ---------- Animasyon ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-media img { animation: none; transform: none; }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1100px) {
  .main-nav a { padding: 10px 10px; font-size: 1rem; }
  .header-cta .btn-label-long { display: none; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .sector-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process { grid-template-columns: repeat(3, 1fr); row-gap: 44px; }
  .process-step:nth-child(3)::after { display: none; }
}

@media (max-width: 960px) {
  :root { --header-h: 72px; }
  .topbar { display: none; }
  .brand-emblem { height: 48px; }
  .brand-wordmark { height: 32px; }
  /* backdrop-filter, fixed konumlu menü panelini header içine hapsettiği için mobilde kapalı */
  .site-header { background: #fff; backdrop-filter: none; -webkit-backdrop-filter: none; }
  .nav-toggle { display: inline-flex; }
  .header-cta .btn { display: none; }
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: #fff; padding: 20px 20px 40px; overflow-y: auto;
    transform: translateX(100%); transition: transform .3s ease; visibility: hidden;
  }
  .nav-open .main-nav { transform: none; visibility: visible; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav li { border-bottom: 1px solid var(--line); }
  .main-nav a { padding: 16px 6px; font-size: 1.2rem; }
  .main-nav a::after { display: none; }
  .mobile-nav-extra { display: grid !important; gap: 12px; margin-top: 26px; }
  .main-nav .mobile-nav-extra .btn { display: flex; padding: .95em 1.4em; border-radius: 999px; font-size: 1.05rem; color: #fff; }
  body.nav-open { overflow: hidden; }

  .section { padding: 72px 0; }
  .split { grid-template-columns: 1fr; gap: 56px; }
  .split.reverse > :first-child { order: 0; }
  .split-media .float-img { right: 10px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cta { grid-template-columns: 1fr; padding: 48px 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .gallery-strip { grid-template-columns: repeat(3, 1fr); }
  .float-call { display: grid; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .container { padding: 0 16px; }
  .section { padding: 60px 0; }
  .section-head { margin-bottom: 38px; }
  .hero { min-height: auto; }
  .hero .container { padding-top: 64px; padding-bottom: 110px; }
  .hero p.lead { font-size: 1.05rem; }
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-badges { gap: 14px; flex-direction: column; margin-top: 34px; }
  .features, .cat-grid, .sector-grid { grid-template-columns: 1fr; }
  .sector { aspect-ratio: 16 / 11; }
  .process { grid-template-columns: 1fr; row-gap: 30px; }
  .process-step { display: grid; grid-template-columns: 64px 1fr; gap: 0 18px; text-align: left; align-items: start; }
  .process-step::before { width: 60px; height: 60px; font-size: 1.2rem; margin: 0; grid-row: span 2; box-shadow: 0 0 0 6px var(--primary-light); }
  .process-step:not(:last-child)::after { display: block !important; top: 66px; bottom: -28px; left: 30px; right: auto; border-top: 0; border-left: 2px dashed #b8cde4; }
  .mesh-bg .process-step:not(:last-child)::after { border-color: rgba(255,255,255,.25); }
  .check-list.two-col { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat strong { font-size: 1.9rem; }
  .cta { padding: 40px 22px; border-radius: 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .form-card { padding: 26px 18px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-actions .btn { flex: 1 1 100%; }
  .page-hero { padding: 72px 0 60px; }
  .split-media .float-img { width: 42%; right: 8px; bottom: -26px; border-width: 4px; }
  .split-media::before { left: -8px; top: -12px; width: 90px; height: 90px; }
  .gallery-grid { columns: 2 140px; column-gap: 10px; }
  .gallery-item { margin-bottom: 10px; }
  .gallery-item figcaption { opacity: 1; transform: none; font-size: .8rem; padding: 22px 10px 8px; }
  .lightbox { padding: 60px 10px; }
  .lb-prev, .lb-next { top: auto; bottom: 14px; transform: none; }
  .lb-prev { left: 20px; } .lb-next { right: 20px; }
  .lightbox-caption { bottom: 30px; padding: 0 80px; }
  .spec-table th { width: 42%; }
  .map-wrap iframe { height: 340px; }
  .float-actions { right: 14px; bottom: 14px; }
  .float-btn { width: 52px; height: 52px; }
}

.mobile-nav-extra { display: none; }

/* ---------- Harita başlığı & ana sayfa hızlı iletişim ---------- */
.map-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; margin-bottom: 22px; }
.map-head h2 { font-size: 1.8rem; margin-bottom: 4px; }
.map-head p { margin: 0; color: var(--muted); }
.home-contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 28px; align-items: stretch; }
.home-map { display: flex; flex-direction: column; gap: 16px; }
.home-map .map-wrap { flex: 1; min-height: 320px; }
.home-map .map-wrap iframe { height: 100%; min-height: 320px; }
.map-card {
  display: flex; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow-sm);
}
.map-card .feature-icon { margin: 0; width: 48px; height: 48px; flex-shrink: 0; }
.map-card div:nth-child(2) { flex: 1; display: flex; flex-direction: column; line-height: 1.4; }
.map-card strong { color: var(--ink); }
.map-card span { color: var(--muted); font-size: .92rem; }
.map-card .btn { padding: .7em 1.2em; }
@media (max-width: 960px) {
  .home-contact { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .map-card { flex-wrap: wrap; }
  .map-card .btn { width: 100%; }
}