/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #1a6fc4;
  --primary-dark: #1258a0;
  --primary-light: #3b8ee0;
  --secondary: #00c896;
  --accent: #f59e0b;
  --dark: #0f1923;
  --dark-2: #1a2535;
  --dark-3: #243044;
  --text: #1e293b;
  --text-2: #475569;
  --text-3: #94a3b8;
  --border: #e2e8f0;
  --bg: #ffffff;
  --bg-2: #f8fafc;
  --bg-3: #f1f5f9;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1), 0 8px 32px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12), 0 24px 64px rgba(0,0,0,0.08);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-3); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  letter-spacing: 0.02em;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  box-shadow: 0 4px 16px rgba(26,111,196,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,111,196,0.45);
}
.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: white;
}
.btn-white {
  background: white;
  color: var(--primary);
  box-shadow: var(--shadow-md);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-full { width: 100%; justify-content: center; }

/* ===== HEADER ===== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}
#header.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow);
}
#header.scrolled .nav-link { color: var(--text-2); }
#header.scrolled .nav-link:hover,
#header.scrolled .nav-link.active { color: var(--primary); }
#header.scrolled .logo-cn { color: var(--dark); }
#header.scrolled .logo-sub { color: var(--text-2); }
#header.scrolled .logo-icon { color: var(--primary); }
#header.scrolled .lang-btn { color: var(--text-2); border-color: var(--border); }
#header.scrolled .mobile-menu-btn span { background: var(--text); }

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-icon {
  width: 40px;
  height: 40px;
  color: white;
  flex-shrink: 0;
}
.logo-icon.white { color: rgba(255,255,255,0.9); }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-cn { font-size: 1.1rem; font-weight: 700; color: white; }
.logo-sub { font-size: 0.7rem; color: rgba(255,255,255,0.7); letter-spacing: 0.05em; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: var(--transition);
}
.nav-link:hover { color: white; background: rgba(255,255,255,0.1); }
.nav-link.active { color: white; font-weight: 600; }

.nav-right { display: flex; align-items: center; gap: 12px; }

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.4);
  background: transparent;
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.lang-btn:hover { background: rgba(255,255,255,0.15); color: white; }

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 12px 24px 20px;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
}
.mobile-nav .nav-link {
  color: var(--text);
  padding: 12px 16px;
  border-radius: 8px;
}
.mobile-nav .nav-link:hover { background: var(--bg-3); }
.mobile-nav.open { display: flex; }

/* ===== SECTION COMMON ===== */
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(26,111,196,0.08);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-tag.white {
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.25;
  margin-bottom: 16px;
}
.section-title.white { color: white; }
.section-subtitle {
  font-size: 1rem;
  color: var(--text-2);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== GRADIENT TEXT ===== */
.gradient-text {
  background: linear-gradient(135deg, #60a5fa 0%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0f1923 0%, #1a3a5c 40%, #0f3460 100%);
}
.hero-bg { position: absolute; inset: 0; }
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Particles */
.hero-particles { position: absolute; inset: 0; overflow: hidden; }
.particle {
  position: absolute;
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
}
.p1 { width: 300px; height: 300px; background: radial-gradient(circle, rgba(26,111,196,0.2) 0%, transparent 70%); top: -100px; right: -100px; animation-duration: 10s; }
.p2 { width: 200px; height: 200px; background: radial-gradient(circle, rgba(0,200,150,0.15) 0%, transparent 70%); bottom: 10%; left: 5%; animation-duration: 12s; animation-delay: 2s; }
.p3 { width: 150px; height: 150px; background: radial-gradient(circle, rgba(245,158,11,0.12) 0%, transparent 70%); top: 30%; left: 50%; animation-duration: 8s; animation-delay: 1s; }
.p4 { width: 100px; height: 100px; background: radial-gradient(circle, rgba(99,179,237,0.2) 0%, transparent 70%); top: 60%; right: 10%; animation-duration: 11s; animation-delay: 3s; }
.p5 { width: 80px; height: 80px; background: radial-gradient(circle, rgba(0,200,150,0.2) 0%, transparent 70%); top: 15%; left: 15%; animation-duration: 9s; animation-delay: 0.5s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -20px) scale(1.05); }
  66% { transform: translate(-15px, 10px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 100px;
  padding-bottom: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,200,150,0.15);
  border: 1px solid rgba(0,200,150,0.3);
  color: #34d399;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 7px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
  animation: fadeInUp 0.6s ease both;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 900;
  color: white;
  line-height: 1.15;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 40px;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.4s both;
}
.stat-item { text-align: center; padding: 0 32px; }
.stat-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: white;
  line-height: 1;
  background: linear-gradient(135deg, #60a5fa, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.82rem; color: rgba(255,255,255,0.55); margin-top: 4px; letter-spacing: 0.05em; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.15); flex-shrink: 0; }

.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  animation: fadeIn 1s ease 1s both;
}
.scroll-mouse {
  width: 22px;
  height: 36px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 11px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-dot {
  width: 4px;
  height: 8px;
  background: rgba(255,255,255,0.5);
  border-radius: 2px;
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown { 0%, 100% { transform: translateY(0); opacity: 1; } 50% { transform: translateY(8px); opacity: 0.3; } }

/* ===== ABOUT ===== */
.about-section { background: var(--bg-2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual { position: relative; }
.about-img-wrap { position: relative; padding: 20px; }
.about-img-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,111,196,0.08) 0%, rgba(0,200,150,0.06) 100%);
  border-radius: var(--radius-lg);
}
.about-img-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  position: relative;
}
.about-icon-big {
  width: 120px;
  height: 120px;
  color: var(--primary);
}
.about-img-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-2);
}
.dot-green { width: 8px; height: 8px; border-radius: 50%; background: var(--secondary); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.6; transform: scale(1.2); } }
.about-float-badge {
  position: absolute;
  top: 10px;
  right: -10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-radius: 12px;
  padding: 12px 16px;
  text-align: center;
  box-shadow: var(--shadow-md);
  line-height: 1;
}
.badge-num { font-size: 1.1rem; font-weight: 900; }
.badge-text { font-size: 0.75rem; opacity: 0.8; margin-top: 2px; }

.about-content .section-tag { display: inline-flex; }
.about-text { color: var(--text-2); line-height: 1.9; margin-bottom: 32px; }
.about-features { display: flex; flex-direction: column; gap: 20px; }
.feature-item { display: flex; align-items: flex-start; gap: 16px; }
.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.feature-icon.blue { background: rgba(26,111,196,0.1); color: var(--primary); }
.feature-icon.green { background: rgba(0,200,150,0.1); color: var(--secondary); }
.feature-icon.orange { background: rgba(245,158,11,0.1); color: var(--accent); }
.feature-title { font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.feature-desc { font-size: 0.88rem; color: var(--text-2); }

/* ===== PRODUCTS ===== */
.products-section { background: var(--bg); }
.products-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 48px;
  justify-content: center;
}
.tab-btn {
  padding: 9px 22px;
  border-radius: 100px;
  border: 2px solid var(--border);
  background: transparent;
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.tab-btn:hover { border-color: var(--primary); color: var(--primary); }
.tab-btn.active { background: var(--primary); border-color: var(--primary); color: white; box-shadow: 0 4px 16px rgba(26,111,196,0.3); }

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

a.product-card {
  display: block;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  position: relative;
}
a.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
  z-index: 10;
  pointer-events: none;
}
a.product-card:hover::before {
  left: 100%;
}
.product-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 48px rgba(26,111,196,0.25);
  border-color: rgba(26,111,196,0.3);
}
.product-card-image {
  position: relative;
  width: 100%;
  height: 180px;
  overflow: hidden;
  background: linear-gradient(135deg, #f8faff 0%, #f0f7ff 100%);
  filter: drop-shadow(0 4px 12px rgba(26,111,196,0.1));
}
.product-card-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.05) 100%);
}
.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: var(--transition);
  filter: contrast(1.1) brightness(1.05);
}
.product-card:hover .product-card-image img {
  transform: scale(1.08) rotate(1deg);
  filter: contrast(1.2) brightness(1.15) drop-shadow(0 8px 16px rgba(26,111,196,0.2));
}
.product-icon-overlay {
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: var(--transition);
  z-index: 5;
}
.product-card:hover .product-icon-overlay {
  transform: scale(1.15) rotate(-5deg);
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}
.product-icon-overlay.blue { background: linear-gradient(135deg, #1a6fc4, #1258a0); }
.product-icon-overlay.teal { background: linear-gradient(135deg, #0891b2, #0e7490); }
.product-icon-overlay.green { background: linear-gradient(135deg, #059669, #047857); }
.product-icon-overlay.purple { background: linear-gradient(135deg, #7c3aed, #6d28d9); }
.product-icon-overlay.orange { background: linear-gradient(135deg, #d97706, #b45309); }
.product-icon-overlay.cyan { background: linear-gradient(135deg, #0284c7, #0369a1); }

.product-name { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.product-card-body { padding: 20px 28px 28px; }
.product-desc { font-size: 0.9rem; color: var(--text-2); line-height: 1.7; margin-bottom: 16px; }
.product-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.product-tag {
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(26,111,196,0.07);
  color: var(--primary);
  font-weight: 500;
}
.product-saving {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--secondary);
}

/* ===== WHY US ===== */
.whyus-section { background: linear-gradient(135deg, #0f1923 0%, #1a3a5c 100%); }
.whyus-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.whyus-desc { color: rgba(255,255,255,0.65); margin-bottom: 32px; line-height: 1.8; }
.whyus-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.advantage-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}
.advantage-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-4px);
}
.adv-icon { color: #60a5fa; margin-bottom: 12px; }
.adv-title { font-weight: 700; color: white; margin-bottom: 8px; }
.adv-desc { font-size: 0.85rem; color: rgba(255,255,255,0.55); line-height: 1.6; }

/* ===== CASES ===== */
.cases-section { background: var(--bg-2); }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
}
.case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
  z-index: 10;
  pointer-events: none;
}
.case-card:hover::before {
  left: 100%;
}
.case-card:hover { 
  transform: translateY(-8px) scale(1.02); 
  box-shadow: 0 12px 48px rgba(26,111,196,0.25);
  border-color: rgba(26,111,196,0.3);
}
.case-icon {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.case-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
  animation: pulse 3s ease-in-out infinite;
}
.case-icon svg {
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
  transition: var(--transition);
}
.case-card:hover .case-icon svg {
  transform: scale(1.15) rotate(-5deg);
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}
.case-icon.hotel { 
  background: linear-gradient(135deg, #1a6fc4 0%, #0e4a8a 50%, #1a6fc4 100%); 
  color: rgba(255,255,255,0.9);
  background-size: 200% 200%;
  animation: gradientShift 5s ease infinite;
}
.case-icon.hospital { 
  background: linear-gradient(135deg, #059669 0%, #047857 50%, #059669 100%); 
  color: rgba(255,255,255,0.9);
  background-size: 200% 200%;
  animation: gradientShift 5s ease infinite;
}
.case-icon.factory { 
  background: linear-gradient(135deg, #d97706 0%, #b45309 50%, #d97706 100%); 
  color: rgba(255,255,255,0.9);
  background-size: 200% 200%;
  animation: gradientShift 5s ease infinite;
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.case-content { padding: 24px 28px; }
.case-type {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(26,111,196,0.08);
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.case-title { font-weight: 700; color: var(--dark); margin-bottom: 20px; line-height: 1.5; }
.case-stats { display: flex; gap: 0; border-top: 1px solid var(--border); padding-top: 16px; }
.case-stat { flex: 1; text-align: center; }
.case-stat:not(:last-child) { border-right: 1px solid var(--border); }
.case-stat .num { display: block; font-size: 1.3rem; font-weight: 800; color: var(--primary); }
.case-stat span { font-size: 0.78rem; color: var(--text-3); }

/* ===== CONTACT ===== */
.contact-section { background: var(--bg); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.info-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition);
}
.info-card:hover { border-color: rgba(26,111,196,0.3); box-shadow: var(--shadow); }
.info-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(26,111,196,0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.info-label { font-size: 0.78rem; color: var(--text-3); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 4px; }
.info-value { font-weight: 600; color: var(--dark); font-size: 0.95rem; line-height: 1.6; }

.contact-form-wrap {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.88rem; font-weight: 600; color: var(--text-2); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg-2);
  transition: var(--transition);
  font-family: inherit;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 4px rgba(26,111,196,0.08);
}
.form-group textarea { resize: vertical; }

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: rgba(0,200,150,0.1);
  border: 1px solid rgba(0,200,150,0.3);
  border-radius: 8px;
  color: #059669;
  font-weight: 600;
  font-size: 0.9rem;
  animation: slideInUp 0.3s ease;
}
.form-success.show { display: flex; }

.form-error {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 8px;
  color: #dc2626;
  font-weight: 600;
  font-size: 0.9rem;
  animation: slideInUp 0.3s ease;
}
.form-error.show { display: flex; }

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-desc { font-size: 0.88rem; color: rgba(255,255,255,0.45); line-height: 1.8; margin-top: 20px; max-width: 280px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col-title { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 4px; }
.footer-col a, .footer-col span {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
  cursor: pointer;
}
.footer-col a:hover { color: white; padding-left: 4px; }
.footer-bottom { padding: 20px 0; }
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(26,111,196,0.4);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
}
.back-to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(26,111,196,0.5); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-in {
  animation: fadeInUp 0.6s ease both;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { gap: 48px; }
  .whyus-inner { gap: 48px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .main-nav { display: none; }
  .mobile-menu-btn { display: flex; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { order: -1; }

  .products-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }

  .whyus-inner { grid-template-columns: 1fr; gap: 40px; }
  .whyus-cards { grid-template-columns: 1fr 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); gap: 28px; }

  .hero-stats { gap: 0; }
  .stat-item { padding: 0 16px; }

  .contact-form-wrap { padding: 24px; }
}

@media (max-width: 480px) {
  .hero-stats { flex-direction: column; gap: 16px; align-items: flex-start; }
  .stat-divider { display: none; }
  .stat-item { padding: 0; text-align: left; }

  .whyus-cards { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; }
  .about-float-badge { display: none; }
}