/* =========================================================
   KARSOY — Dış Cephe Cam Filmi & PPF Kaplama
   Design tokens: "Reflected skyline" — glass facades reflect
   gold at dusk. Dark charcoal base, brushed-gold + steel accents,
   a single diagonal "film peel" motif borrowed from the brand mark.
   ========================================================= */

:root {
  --bg: #0b0e13;
  --bg-alt: #10151d;
  --panel: #141b25;
  --panel-2: #1a2230;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  --gold: #c9a24d;
  --gold-light: #eccf85;
  --gold-dim: #8a712f;
  --steel: #aab3c0;
  --steel-dark: #5c6570;

  --text: #f3f1ea;
  --text-dim: #a9b0bc;
  --text-faint: #6b7280;

  --accent-blue: #4a7fb5;

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 22px;

  --shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.65);
  --shadow-sm: 0 8px 24px -12px rgba(0, 0, 0, 0.5);

  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;

  --container: 1220px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: #fff;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--gold);
  display: inline-block;
}

.section { padding: 96px 0; position: relative; }
.section-alt { background: var(--bg-alt); }
.section-tight { padding: 64px 0; }

.section-head { max-width: 640px; margin-bottom: 52px; }
.section-head p { color: var(--text-dim); font-size: 17px; margin-top: 12px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold) 60%, var(--gold-dim));
  color: #14100a;
  box-shadow: 0 10px 30px -10px rgba(201, 162, 77, 0.55);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -10px rgba(201, 162, 77, 0.7); }
.btn-outline {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(255,255,255,0.02);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold-light); }
.btn-block { width: 100%; }
.btn-sm { padding: 10px 18px; font-size: 12px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(11, 14, 19, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 44px; width: auto; border-radius: 4px; }
.brand-text { font-family: var(--font-display); font-size: 20px; letter-spacing: 0.06em; }
.brand-text small { display: block; font-family: var(--font-body); font-size: 10.5px; letter-spacing: 0.12em; color: var(--text-dim); text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  transition: color 0.2s ease;
  position: relative;
}
.main-nav a:hover, .main-nav a.active { color: var(--gold-light); }

.header-cta { display: flex; align-items: center; gap: 14px; }
.header-phone { display: flex; flex-direction: column; align-items: flex-end; font-size: 13px; color: var(--text-dim); }
.header-phone strong { color: #fff; font-size: 15px; font-family: var(--font-display); letter-spacing: 0.03em; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 110px;
  background: radial-gradient(ellipse at 75% 15%, rgba(74,127,181,0.18), transparent 55%),
              linear-gradient(180deg, var(--bg) 0%, #090c10 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { font-size: clamp(40px, 5.4vw, 66px); }
.hero h1 .accent { color: var(--gold-light); }
.hero-lead { color: var(--text-dim); font-size: 18px; max-width: 480px; margin: 20px 0 32px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-badge {
  position: absolute;
  top: 40px;
  right: max(24px, calc((100vw - var(--container)) / 2));
  width: 130px; height: 130px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold-light);
  text-transform: uppercase;
  background: rgba(20,27,37,0.7);
}

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  box-shadow: var(--shadow);
  clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%);
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(200deg, rgba(201,162,77,0.28), transparent 45%),
              linear-gradient(0deg, rgba(9,12,16,0.75), transparent 55%);
}
.hero-visual .peel {
  position: absolute;
  top: 0; left: 0;
  width: 34%; height: 100%;
  background: linear-gradient(135deg, #e9d29a, var(--gold) 45%, var(--steel-dark));
  clip-path: polygon(0 0, 100% 0, 30% 100%, 0 100%);
  opacity: 0.92;
}

.trust-row {
  margin-top: 40px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.trust-row .item { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-dim); }
.trust-row svg { width: 18px; height: 18px; color: var(--gold); flex-shrink: 0; }

/* ---------- Features ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: -60px;
  position: relative;
  z-index: 5;
}
.feature-card {
  background: var(--panel);
  padding: 30px 22px;
  text-align: left;
}
.feature-icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: rgba(201,162,77,0.12);
  color: var(--gold-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.feature-icon svg { width: 24px; height: 24px; }
.feature-card h4 { font-size: 14px; margin-bottom: 8px; letter-spacing: 0.06em; }
.feature-card p { font-size: 13.5px; color: var(--text-dim); margin: 0; }

/* ---------- Services ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.service-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
  display: flex;
  flex-direction: column;
}
.service-card:hover { border-color: var(--gold-dim); transform: translateY(-4px); }
.service-media { aspect-ratio: 16/10; background: var(--panel-2); position: relative; overflow: hidden; }
.service-media img { width: 100%; height: 100%; object-fit: cover; }
.service-media .num {
  position: absolute; bottom: 12px; left: 14px;
  font-family: var(--font-display);
  font-size: 13px; color: var(--gold-light);
  background: rgba(11,14,19,0.7);
  padding: 4px 10px; border-radius: 999px;
  letter-spacing: 0.08em;
}
.service-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.service-body h3 { font-size: 19px; margin-bottom: 10px; }
.service-body p { color: var(--text-dim); font-size: 14.5px; flex: 1; }
.service-body .btn { align-self: flex-start; margin-top: 16px; }

/* ---------- Sectors ---------- */
.sectors-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.sector-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 18px;
  text-align: center;
  background: linear-gradient(160deg, var(--panel), var(--bg-alt));
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.sector-card:hover { border-color: var(--gold-dim); transform: translateY(-4px); }
.sector-icon {
  width: 56px; height: 56px; margin: 0 auto 16px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-light);
}
.sector-icon svg { width: 26px; height: 26px; }
.sector-card h4 { font-size: 14px; letter-spacing: 0.04em; margin: 0; }

/* ---------- Process ---------- */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.process-card { position: relative; padding: 30px 24px 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.process-card .step-num {
  font-family: var(--font-display);
  font-size: 42px;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold-dim);
  position: absolute; top: 10px; right: 18px;
}
.process-card h4 { font-size: 15px; margin: 22px 0 8px; }
.process-card p { font-size: 13.5px; color: var(--text-dim); margin: 0; }

/* ---------- Stats strip ---------- */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat-item {
  padding: 28px 20px;
  text-align: center;
  border-right: 1px solid var(--line);
  background: var(--panel);
}
.stat-item:last-child { border-right: none; }
.stat-value { font-family: var(--font-display); font-size: 34px; color: var(--gold-light); }
.stat-label { font-size: 12.5px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 6px; }

/* ---------- Testimonials ---------- */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
}
.testi-stars { color: var(--gold); font-size: 14px; letter-spacing: 2px; margin-bottom: 14px; }
.testi-text { color: var(--text-dim); font-size: 15px; font-style: italic; }
.testi-who { margin-top: 20px; display: flex; align-items: center; gap: 12px; }
.testi-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dim));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); color: #14100a; font-size: 16px;
}
.testi-who strong { display: block; font-size: 14px; }
.testi-who span { font-size: 12px; color: var(--text-faint); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  background: none;
  border: none;
  color: var(--text);
  text-align: left;
  padding: 22px 4px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.02em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.faq-q .plus { font-size: 22px; color: var(--gold); transition: transform 0.25s ease; }
.faq-item.open .plus { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  color: var(--text-dim);
  font-size: 14.5px;
}
.faq-a-inner { padding: 0 4px 22px; }
.faq-item.open .faq-a { max-height: 400px; }

/* ---------- Blog ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.blog-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .25s ease, border-color .25s ease;}
.blog-card:hover { transform: translateY(-4px); border-color: var(--gold-dim); }
.blog-media { aspect-ratio: 16/10; background: var(--panel-2); overflow: hidden; }
.blog-media img { width: 100%; height: 100%; object-fit: cover; }
.blog-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.blog-date { font-size: 12px; color: var(--gold-light); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 10px; }
.blog-body h3 { font-size: 17px; margin-bottom: 10px; text-transform: none; }
.blog-body p { color: var(--text-dim); font-size: 14px; flex: 1; }
.blog-readmore { margin-top: 14px; font-size: 13px; color: var(--gold-light); font-weight: 600; }

.blog-article { max-width: 780px; margin: 0 auto; }
.blog-article .cover { border-radius: var(--radius); overflow: hidden; margin-bottom: 32px; aspect-ratio: 16/8; }
.blog-article .cover img { width: 100%; height: 100%; object-fit: cover; }
.blog-article h1 { font-size: clamp(28px, 4vw, 40px); text-transform: none; }
.article-meta { color: var(--text-faint); font-size: 13px; margin-bottom: 30px; }
.article-body { color: #dcdfe4; font-size: 16.5px; }
.article-body h2 { font-size: 24px; text-transform: none; margin-top: 40px; color: var(--gold-light); }
.article-body h3 { font-size: 19px; text-transform: none; margin-top: 28px; }
.article-body p { margin: 0 0 18px; }
.article-body img { border-radius: var(--radius); margin: 24px 0; }
.article-body a { color: var(--gold-light); text-decoration: underline; }
.article-body ul, .article-body ol { padding-left: 22px; margin-bottom: 18px; }
.article-body blockquote {
  border-left: 3px solid var(--gold);
  padding: 4px 20px;
  color: var(--text-dim);
  font-style: italic;
  margin: 24px 0;
}
.tag-pills { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 30px; }
.tag-pill { border: 1px solid var(--line-strong); border-radius: 999px; padding: 6px 14px; font-size: 12px; color: var(--text-dim); }

.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 50px; }
.pagination a, .pagination span {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); font-size: 13px; color: var(--text-dim);
}
.pagination a:hover { border-color: var(--gold); color: var(--gold-light); }
.pagination .active { background: var(--gold); color: #14100a; border-color: var(--gold); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.contact-row { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-row:last-child { border-bottom: none; }
.contact-row .ic { width: 42px; height: 42px; border-radius: 10px; background: rgba(201,162,77,0.12); display: flex; align-items: center; justify-content: center; color: var(--gold-light); flex-shrink: 0; }
.contact-row strong { display: block; font-size: 14px; }
.contact-row span { font-size: 14px; color: var(--text-dim); }
.map-embed { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 4/3; }
.map-embed iframe { width: 100%; height: 100%; border: 0; }
.map-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: var(--text-faint); font-size: 13px; background: var(--panel-2); }

/* ---------- Footer ---------- */
.site-footer { background: #070a0d; border-top: 1px solid var(--line); padding: 64px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 40px; }
.footer-brand img { height: 42px; margin-bottom: 16px; }
.footer-brand p { color: var(--text-dim); font-size: 14px; max-width: 280px; }
.footer-col h5 { font-family: var(--font-display); font-size: 13px; letter-spacing: 0.1em; color: var(--gold-light); text-transform: uppercase; margin-bottom: 18px; }
.footer-col a { display: block; color: var(--text-dim); font-size: 14px; margin-bottom: 12px; }
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 12.5px; color: var(--text-faint); }

/* ---------- Floating buttons ---------- */
.floating-actions { position: fixed; right: 22px; bottom: 22px; z-index: 300; display: flex; flex-direction: column; gap: 12px; }
.fab {
  width: 58px; height: 58px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease;
}
.fab:hover { transform: scale(1.08); }
.fab svg { width: 26px; height: 26px; }
.fab-whatsapp { background: #25d366; color: #06210f; }
.fab-call { background: linear-gradient(135deg, var(--gold-light), var(--gold)); color: #14100a; }

/* ---------- Page header (breadcrumb) ---------- */
.page-header { padding: 60px 0 40px; border-bottom: 1px solid var(--line); background: var(--bg-alt); }
.breadcrumb { font-size: 13px; color: var(--text-faint); margin-top: 10px; }
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--gold-light); }

/* ---------- Forms (contact page) ---------- */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 8px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 13px 16px;
  background: var(--panel-2); border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm); color: var(--text); font-family: var(--font-body); font-size: 14px;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--gold); }

/* ---------- Utility ---------- */
.flash-list { list-style: none; margin: 0 0 20px; padding: 0; }
.flash { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 10px; font-size: 14px; }
.flash-success { background: rgba(46,160,90,0.15); border: 1px solid rgba(46,160,90,0.4); color: #7be3a3; }
.flash-error { background: rgba(220,80,80,0.15); border: 1px solid rgba(220,80,80,0.4); color: #f0a4a4; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 480px; aspect-ratio: 16/10; }
  .features-grid { grid-template-columns: repeat(3, 1fr); margin-top: 0; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .sectors-grid { grid-template-columns: repeat(3, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .main-nav, .header-phone { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .main-nav.open {
    display: flex; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; background: var(--bg-alt); padding: 20px 24px;
    border-bottom: 1px solid var(--line); gap: 18px;
  }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .sectors-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: 1fr; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero { padding: 56px 0 70px; }
  .hero-badge { display: none; }
}