/* ═══════════════════════════════════════════════════════════════
   EVEREST SOĞUTMA — Main Stylesheet
   Apple-inspired minimal design
   ═══════════════════════════════════════════════════════════════ */

/* ─── Design Tokens ──────────────────────────────────────────── */
:root {
  --blue-900: #1B3A5C;
  --blue-800: #1B4F72;
  --blue-700: #1A6494;
  --blue-600: #2176AE;
  --blue-500: #2E86C1;
  --blue-400: #5DADE2;
  --blue-300: #A9CCE3;
  --blue-100: #D6EAF8;
  --blue-50:  #EBF5FB;

  --gray-900: #0F172A;
  --gray-800: #1E293B;
  --gray-700: #334155;
  --gray-600: #475569;
  --gray-500: #64748B;
  --gray-400: #94A3B8;
  --gray-300: #CBD5E1;
  --gray-200: #E2E8F0;
  --gray-100: #F1F5F9;
  --gray-50:  #F8FAFC;

  --white: #FFFFFF;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.05);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.10), 0 8px 20px rgba(0,0,0,.06);
  --shadow-xl: 0 40px 80px rgba(0,0,0,.14);
  --shadow-blue: 0 8px 32px rgba(33, 118, 174, .25);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s ease;
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --header-h: 72px;
  --section-pad: 100px;
}

/* ─── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--white);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeSpeed;
}
img {
  max-width: 100%; height: auto; display: block;
  /* Görünür olmadan yükleme */
  content-visibility: auto;
}
img[loading="lazy"] { decoding: async; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
input, textarea, select { font-family: var(--font); }

/* ─── Performans: ekran dışı bölümler ────────────────────────── */
.section { contain: layout style; }
footer { content-visibility: auto; contain-intrinsic-size: 0 400px; }

/* ─── GPU optimizasyonu ──────────────────────────────────────── */
.service-card,
.why-card,
.brand-card,
.gallery-item {
  will-change: transform;
  transform: translateZ(0);
}
/* Animasyon bittikten sonra will-change sıfırla */
.service-card:not(:hover),
.why-card:not(:hover),
.brand-card:not(:hover),
.gallery-item:not(:hover) {
  will-change: auto;
}

/* ─── Loading Screen — Frost Theme ───────────────────────────── */
#page-loader {
  position: fixed;
  inset: 0;
  background: linear-gradient(160deg, #020D20 0%, #051528 50%, #09203A 100%) !important;
  z-index: 99999 !important;
  display: flex !important;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
  opacity: 1;
  visibility: visible;
}
#page-loader.hidden {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none;
}

/* İçerik wrapper — kesinlikle ortala */
.frost-loader-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  width: 320px;
}

/* Logo + halkalar */
.frost-logo-wrap {
  position: relative;
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.loader-logo {
  width: 90px;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 0 16px rgba(100,180,255,.55));
  animation: frostLogoPulse 2s ease-in-out infinite;
}
@keyframes frostLogoPulse {
  0%,100% { filter: drop-shadow(0 0 12px rgba(100,180,255,.45)); transform: scale(1); }
  50%      { filter: drop-shadow(0 0 28px rgba(100,200,255,.80)); transform: scale(1.04); }
}

/* Dönen buz halkaları */
.frost-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(150, 210, 255, 0.22);
  animation: frostRingSpin 6s linear infinite;
}
.frost-ring::before, .frost-ring::after {
  content: '';
  position: absolute;
  width: 8px; height: 8px;
  background: rgba(150,210,255,.7);
  border-radius: 50%;
  top: -4px; left: 50%; transform: translateX(-50%);
  box-shadow: 0 0 8px rgba(100,180,255,.8);
}
.frost-ring::after { top: auto; bottom: -4px; }

.frost-ring-2 {
  inset: -18px;
  border-color: rgba(150,210,255,.12);
  animation: frostRingSpin 10s linear infinite reverse;
  border-style: dashed;
}
.frost-ring-2::before { width: 5px; height: 5px; top: -2.5px; background: rgba(150,210,255,.4); }
.frost-ring-2::after  { bottom: -2.5px; width: 5px; height: 5px; background: rgba(150,210,255,.4); }

@keyframes frostRingSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Şirket adı */
.frost-company {
  font-size: 20px;
  font-weight: 700;
  color: rgba(200, 235, 255, 0.9);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Sıcaklık sayacı */
.frost-temp-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.frost-temp-icon {
  font-size: 18px;
  color: rgba(150, 210, 255, 0.7);
  animation: frostIconBlink 1.2s ease-in-out infinite;
}
.frost-temp-icon:last-child { animation-delay: 0.6s; }
@keyframes frostIconBlink {
  0%,100% { opacity: 0.4; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.2); }
}
.frost-temp-val {
  font-size: 26px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: #6ECFF6;
  letter-spacing: -0.02em;
  text-shadow: 0 0 20px rgba(110,207,246,.6);
  min-width: 90px;
  text-align: center;
}

/* Buz progress bar */
.frost-bar-wrap {
  width: 220px;
  height: 4px;
  background: rgba(255,255,255,.08);
  border-radius: 99px;
  overflow: visible;
  position: relative;
}
.frost-bar-inner {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #2176AE, #5DADE2, #A8D8F0);
  border-radius: 99px;
  transition: width 0.1s linear;
  position: relative;
}
.frost-bar-inner::after {
  content: '';
  position: absolute;
  right: -2px; top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 8px;
  background: #A8D8F0;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(168,216,240,.9), 0 0 20px rgba(168,216,240,.5);
}
.frost-bar-glow {
  position: absolute;
  inset: -6px;
  background: transparent;
  border-radius: 99px;
  box-shadow: 0 0 16px rgba(93,173,226,.2);
}

/* Durum metni */
.frost-status {
  font-size: 12px;
  color: rgba(150, 200, 240, 0.55);
  letter-spacing: 0.06em;
  font-weight: 500;
  text-transform: uppercase;
  height: 16px;
}

/* Arka plan kar tanecikleri canvas */
#frost-loader-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

/* Sayfa geçiş efekti kaldırıldı — sadece sıcaklık loader mevcut */

/* ─── Header ─────────────────────────────────────────────────── */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
  background: rgba(255,255,255,0);
}
#site-header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 rgba(0,0,0,.08);
}
#site-header.solid {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0,0,0,.08);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-logo img { height: 44px; width: auto; }
.header-logo .logo-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--blue-800);
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.header-logo .logo-sub {
  font-size: 11px;
  font-weight: 500;
  color: var(--gray-500);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-link:hover { color: var(--blue-600); background: var(--blue-50); }
.nav-link.active { color: var(--blue-700); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: 12px; }

.btn-header {
  padding: 9px 20px;
  background: var(--blue-700);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}
.btn-header:hover { background: var(--blue-800); transform: translateY(-1px); box-shadow: var(--shadow-blue); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.hamburger:hover { background: var(--gray-100); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav Overlay */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.3);
  backdrop-filter: blur(4px);
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.mobile-nav-overlay.open { opacity: 1; visibility: visible; }

.mobile-nav {
  position: fixed;
  top: 0; right: 0;
  width: min(340px, 85vw);
  height: 100%;
  background: var(--white);
  z-index: 995;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 80px 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}
.mobile-nav.open { transform: translateX(0); }

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 500;
  color: var(--gray-700);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--blue-700);
  background: var(--blue-50);
}
.mobile-nav .divider {
  height: 1px;
  background: var(--gray-200);
  margin: 8px 0;
}
.mobile-nav .mobile-cta {
  margin-top: 16px;
  padding: 14px 20px;
  background: var(--blue-700);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  text-align: center;
}

/* ─── Hero Section ───────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-h);
  background: linear-gradient(160deg, var(--gray-50) 0%, var(--blue-50) 40%, var(--white) 100%);
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}
.hero-shape-1 { width: 600px; height: 600px; background: var(--blue-100); top: -200px; right: -200px; }
.hero-shape-2 { width: 400px; height: 400px; background: var(--blue-300); bottom: -100px; left: -100px; opacity: 0.2; }
.hero-shape-3 { width: 300px; height: 300px; background: var(--blue-200); top: 50%; left: 40%; opacity: 0.2; }

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-content { max-width: 560px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--blue-100);
  color: var(--blue-700);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}
.hero-badge-dot {
  width: 6px; height: 6px;
  background: var(--blue-500);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--gray-900);
  margin-bottom: 20px;
}
.hero-title span { color: var(--blue-700); }

.hero-subtitle {
  font-size: 18px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--blue-700);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover { background: var(--blue-800); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(33,118,174,.35); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--white);
  color: var(--gray-700);
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid var(--gray-200);
  transition: all var(--transition);
}
.btn-secondary:hover { border-color: var(--blue-300); color: var(--blue-700); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* 3D Canvas */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 520px;
}
#ac-canvas {
  width: 100%;
  height: 100%;
  cursor: grab;
}
#ac-canvas:active { cursor: grabbing; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--gray-200);
}
.stat-item { text-align: left; }
.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--blue-700);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label { font-size: 13px; color: var(--gray-500); font-weight: 500; }

/* ─── Section Base ───────────────────────────────────────────── */
.section { padding: var(--section-pad) 0; }
.section-alt { background: var(--gray-50); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section-header { text-align: center; margin-bottom: 64px; }
.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--gray-900);
  margin-bottom: 16px;
  line-height: 1.15;
}
.section-subtitle {
  font-size: 17px;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ─── Service Cards ──────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  border: 1.5px solid var(--gray-200);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-700));
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.service-card:hover {
  border-color: var(--blue-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 56px; height: 56px;
  background: var(--blue-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: background var(--transition);
}
.service-card:hover .service-icon { background: var(--blue-100); }
.service-icon svg { width: 28px; height: 28px; color: var(--blue-700); }

.service-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.service-desc { font-size: 14px; color: var(--gray-500); line-height: 1.65; margin-bottom: 20px; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-600);
  transition: gap var(--transition-fast);
}
.service-link:hover { gap: 10px; }

/* ─── Why Us Section ─────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.why-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 28px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--gray-200);
  transition: all var(--transition);
}
.why-card:hover { border-color: var(--blue-200); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.why-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: var(--blue-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.why-icon svg { width: 24px; height: 24px; color: var(--blue-700); }
.why-title { font-size: 16px; font-weight: 700; color: var(--gray-900); margin-bottom: 6px; }
.why-text { font-size: 14px; color: var(--gray-500); line-height: 1.65; }

/* ─── CTA Banner ─────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--blue-800) 0%, var(--blue-900) 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-inner {
  position: relative;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}
.cta-title { font-size: 36px; font-weight: 800; color: var(--white); letter-spacing: -0.03em; margin-bottom: 16px; }
.cta-text { font-size: 17px; color: rgba(255,255,255,.75); margin-bottom: 36px; line-height: 1.7; }
.cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn-white {
  padding: 14px 28px;
  background: var(--white);
  color: var(--blue-800);
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 700;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.2); }

.btn-ghost {
  padding: 14px 28px;
  background: rgba(255,255,255,.12);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid rgba(255,255,255,.25);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-ghost:hover { background: rgba(255,255,255,.2); transform: translateY(-2px); }

/* ─── Footer ─────────────────────────────────────────────────── */
footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 60px 0 0;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand {}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo img { height: 40px; filter: brightness(0) invert(1); opacity: 0.9; }
.footer-logo-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}
.footer-tagline { font-size: 14px; line-height: 1.7; color: var(--gray-400); margin-bottom: 24px; }
.footer-social { display: flex; gap: 10px; }
.social-btn {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), transform var(--transition-fast);
  color: var(--gray-400);
}
.social-btn:hover { background: var(--blue-600); color: var(--white); transform: translateY(-2px); }
.social-btn svg { width: 16px; height: 16px; }

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link {
  font-size: 14px;
  color: var(--gray-400);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-link:hover { color: var(--white); }

.footer-contact-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 14px;
}
.footer-contact-item svg { width: 16px; height: 16px; color: var(--blue-400); margin-top: 2px; flex-shrink: 0; }
.footer-contact-item span { font-size: 14px; color: var(--gray-400); line-height: 1.5; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 24px;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 13px; color: var(--gray-500); }

/* ─── Page Hero (inner pages) ────────────────────────────────── */
.page-hero {
  padding: calc(var(--header-h) + 60px) 0 60px;
  background: linear-gradient(160deg, var(--gray-50) 0%, var(--blue-50) 100%);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: var(--blue-100);
  border-radius: 50%;
  filter: blur(80px);
  top: -100px; right: -100px;
  opacity: 0.6;
}
.page-hero-inner { position: relative; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.page-hero-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 12px;
}
.page-hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--gray-900);
  margin-bottom: 16px;
  line-height: 1.1;
}
.page-hero-subtitle { font-size: 18px; color: var(--gray-500); max-width: 560px; line-height: 1.7; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 13px;
  color: var(--gray-500);
}
.breadcrumb a { color: var(--blue-600); }
.breadcrumb a:hover { color: var(--blue-800); }
.breadcrumb .sep { color: var(--gray-300); }

/* ─── Service Detail Page ────────────────────────────────────── */
.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 48px;
  align-items: start;
}

.service-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 32px;
}
.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--blue-50);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
}
.feature-item svg { width: 18px; height: 18px; color: var(--blue-600); flex-shrink: 0; }

.service-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 24px);
}
.contact-card {
  background: var(--blue-700);
  border-radius: var(--radius-xl);
  padding: 32px;
  color: var(--white);
  margin-bottom: 20px;
}
.contact-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.contact-card p { font-size: 14px; opacity: 0.8; margin-bottom: 24px; }
.contact-card .contact-info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 15px;
}
.contact-card .contact-info-item svg { width: 20px; height: 20px; opacity: 0.8; }

.service-list-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 28px;
}
.service-list-card h4 { font-size: 14px; font-weight: 700; color: var(--gray-900); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.06em; }
.service-list-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 14px;
  color: var(--gray-600);
  transition: color var(--transition-fast);
}
.service-list-link:last-child { border-bottom: none; }
.service-list-link:hover { color: var(--blue-600); }
.service-list-link.active { color: var(--blue-700); font-weight: 600; }

/* ─── About Page ─────────────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.about-label { font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue-600); margin-bottom: 12px; }
.about-title { font-size: 36px; font-weight: 800; letter-spacing: -0.03em; color: var(--gray-900); margin-bottom: 20px; line-height: 1.2; }
.about-text { font-size: 16px; color: var(--gray-500); line-height: 1.8; margin-bottom: 16px; }

.cert-list { display: flex; flex-direction: column; gap: 10px; margin-top: 28px; }
.cert-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
}
.cert-item svg { width: 18px; height: 18px; color: var(--blue-600); }

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value-card {
  padding: 32px 24px;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--gray-200);
  text-align: center;
  transition: all var(--transition);
}
.value-card:hover { border-color: var(--blue-200); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.value-icon { font-size: 32px; margin-bottom: 16px; }
.value-title { font-size: 16px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.value-text { font-size: 14px; color: var(--gray-500); line-height: 1.65; }

/* ─── Gallery ────────────────────────────────────────────────── */
.gallery-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--gray-100);
  border: 1.5px solid transparent;
  transition: all var(--transition-fast);
}
.filter-btn:hover { background: var(--blue-50); color: var(--blue-700); }
.filter-btn.active { background: var(--blue-700); color: var(--white); border-color: var(--blue-700); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--gray-100);
  cursor: pointer;
  position: relative;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.05); }
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.6), transparent);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay-text { color: var(--white); font-size: 14px; font-weight: 600; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
}
.lightbox-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 20px;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.lightbox-close:hover { background: rgba(255,255,255,.25); }
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.lightbox-nav:hover { background: rgba(255,255,255,.25); }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

/* Empty state */
.empty-gallery {
  grid-column: 1/-1;
  text-align: center;
  padding: 80px 20px;
  color: var(--gray-400);
}
.empty-gallery svg { width: 64px; height: 64px; margin: 0 auto 16px; opacity: 0.4; }

/* ─── Authorized Service ─────────────────────────────────────── */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.brand-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
}
.brand-card:hover { border-color: var(--blue-200); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.brand-logo {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.brand-logo img { max-height: 64px; max-width: 160px; object-fit: contain; }
.brand-name { font-size: 18px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.brand-desc { font-size: 14px; color: var(--gray-500); line-height: 1.65; }

.advantages-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.adv-card {
  background: var(--blue-50);
  border: 1.5px solid var(--blue-100);
  border-radius: var(--radius-lg);
  padding: 24px 16px;
  text-align: center;
}
.adv-card svg { width: 28px; height: 28px; color: var(--blue-600); margin: 0 auto 12px; }
.adv-card p { font-size: 13px; font-weight: 600; color: var(--blue-800); line-height: 1.4; }

/* ─── Contact Page ───────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 48px;
  align-items: start;
}

.contact-form-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 44px;
}
.contact-form-title { font-size: 24px; font-weight: 800; color: var(--gray-900); margin-bottom: 8px; letter-spacing: -0.02em; }
.contact-form-subtitle { font-size: 15px; color: var(--gray-500); margin-bottom: 32px; }

.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--gray-700); margin-bottom: 8px; }
.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 15px;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
}
.form-input:focus { border-color: var(--blue-400); box-shadow: 0 0 0 3px rgba(33,118,174,.12); }
.form-input::placeholder { color: var(--gray-400); }
textarea.form-input { resize: vertical; min-height: 140px; }

.form-submit {
  width: 100%;
  padding: 16px;
  background: var(--blue-700);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 700;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: none;
}
.form-submit:hover { background: var(--blue-800); transform: translateY(-1px); box-shadow: var(--shadow-blue); }
.form-submit:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }

.form-success, .form-error {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  margin-top: 16px;
  display: none;
}
.form-success { background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.form-error { background: #FEF2F2; color: #991B1B; border: 1px solid #FCA5A5; }

.contact-info-panel { position: sticky; top: calc(var(--header-h) + 24px); }
.contact-info-card {
  background: var(--blue-800);
  border-radius: var(--radius-xl);
  padding: 36px;
  color: var(--white);
  margin-bottom: 20px;
}
.contact-info-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 28px; }
.contact-detail {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 20px;
}
.contact-detail-icon {
  width: 40px; height: 40px;
  background: rgba(255,255,255,.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-detail-icon svg { width: 20px; height: 20px; }
.contact-detail-label { font-size: 12px; opacity: 0.65; font-weight: 500; margin-bottom: 4px; }
.contact-detail-value { font-size: 15px; font-weight: 500; }

.hours-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 28px;
  margin-bottom: 20px;
}
.hours-card h4 { font-size: 14px; font-weight: 700; color: var(--gray-900); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.06em; }
.hours-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 14px;
}
.hours-row:last-child { border-bottom: none; }
.hours-day { color: var(--gray-600); font-weight: 500; }
.hours-time { color: var(--gray-900); font-weight: 600; }
.hours-time.closed { color: var(--gray-400); }

.map-card {
  background: var(--gray-100);
  border-radius: var(--radius-xl);
  overflow: hidden;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.map-card iframe { width: 100%; height: 100%; border: none; }

/* ─── Scroll Animations ──────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal-delay="4"] { transition-delay: 0.4s; }
[data-reveal-delay="5"] { transition-delay: 0.5s; }
[data-reveal-delay="6"] { transition-delay: 0.6s; }

/* ─── Whatsapp Floating Button ───────────────────────────────── */
.whatsapp-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, .4);
  z-index: 800;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: fabPop 0.6s 2s cubic-bezier(0.175, 0.885, 0.32, 1.275) both;
}
@keyframes fabPop {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.whatsapp-fab:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37, 211, 102, .5); }
.whatsapp-fab svg { width: 28px; height: 28px; fill: white; }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --section-pad: 72px; }
  .hero-inner { gap: 40px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-pad: 56px; --header-h: 64px; }

  .header-nav, .btn-header { display: none; }
  .hamburger { display: flex; }

  .hero-inner { grid-template-columns: 1fr; padding: 40px 24px 60px; }
  .hero-visual { height: 320px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }

  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }

  .about-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }

  .brands-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }

  .contact-layout { grid-template-columns: 1fr; }
  .contact-info-panel { position: static; }
  .contact-form-card { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); }

  .service-detail-grid { grid-template-columns: 1fr; }
  .service-sidebar { position: static; }
  .service-features-list { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .cta-title { font-size: 26px; }
  .hero-title { font-size: 32px; }

  .page-hero { padding: calc(var(--header-h) + 40px) 0 40px; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .brands-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-direction: column; }
  .cta-actions { flex-direction: column; align-items: center; }
}