/* Premier Worlds - Modern Website Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700;800&family=Sarabun:wght@300;400;500;600&display=swap');

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  --orange-primary: #FF6500;
  --orange-light: #FF8C00;
  --orange-dark: #CC4400;
  --orange-glow: rgba(255, 101, 0, 0.15);
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #666666;
  --border: #2a2a2a;
  --border-hover: #FF6500;
  --gradient-orange: linear-gradient(135deg, #FF6500, #FF8C00);
  --gradient-dark: linear-gradient(135deg, #1a1a1a, #0a0a0a);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-orange: 0 4px 24px rgba(255,101,0,0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Kanit', 'Sarabun', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

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

/* ─── HEADER / NAV ─── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(10, 10, 10, 0.98);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 42px; height: 42px;
  background: var(--gradient-orange);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-orange);
}

.logo-text span { color: var(--orange-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255,101,0,0.1);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--orange-primary);
  border-radius: 2px;
}

/* Dropdown */
.nav-dropdown { position: relative; }

.nav-dropdown .dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  min-width: 280px;
  padding: 8px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
  width: 100%;
}

.dropdown-menu a:hover {
  color: var(--text-primary);
  background: rgba(255,101,0,0.1);
}

.dropdown-menu .dot {
  width: 6px; height: 6px;
  background: var(--orange-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.nav-cta {
  background: var(--gradient-orange) !important;
  color: white !important;
  font-weight: 600 !important;
  padding: 10px 22px !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: var(--shadow-orange);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(255,101,0,0.35) !important;
  background: rgba(255,101,0,0) !important;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 80px 24px 24px;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  font-size: 1.3rem;
  font-weight: 600;
  padding: 14px 40px;
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 320px;
  text-align: center;
  color: var(--text-secondary);
  transition: var(--transition);
}

.mobile-nav a:hover {
  color: var(--text-primary);
  background: rgba(255,101,0,0.1);
}

.mobile-nav .mobile-cta {
  background: var(--gradient-orange);
  color: white !important;
  margin-top: 12px;
}

.mobile-close {
  position: absolute;
  top: 20px; right: 20px;
  background: none; border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
}

/* ─── HERO SECTION ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 60% 50%, rgba(255,101,0,0.12) 0%, transparent 70%),
              radial-gradient(ellipse 40% 40% at 80% 20%, rgba(255,140,0,0.08) 0%, transparent 60%),
              var(--bg-primary);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,101,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,101,0,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 60% 50%, black, transparent);
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,101,0,0.12);
  border: 1px solid rgba(255,101,0,0.3);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--orange-light);
  margin-bottom: 24px;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--orange-primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero-title .highlight {
  background: var(--gradient-orange);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-orange);
  color: white;
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-orange);
  font-family: inherit;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,101,0,0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.btn-secondary:hover {
  border-color: var(--orange-primary);
  background: rgba(255,101,0,0.08);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 32px;
}

.stat-item { text-align: left; }
.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-orange);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

/* Hero Visual */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-3d {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1;
  position: relative;
}

.floating-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-card);
  animation: float 3s ease-in-out infinite;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
}

.floating-card:nth-child(1) { top: 10%; left: -5%; animation-delay: 0s; }
.floating-card:nth-child(2) { top: 60%; right: -5%; animation-delay: 1s; }
.floating-card:nth-child(3) { bottom: 10%; left: 10%; animation-delay: 2s; }

.floating-card .card-icon {
  width: 32px; height: 32px;
  background: var(--orange-glow);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: var(--orange-primary);
  flex-shrink: 0;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

/* ─── SECTIONS ─── */
.section { padding: 100px 24px; }
.section-sm { padding: 60px 24px; }

.container {
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,101,0,0.1);
  border: 1px solid rgba(255,101,0,0.25);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--orange-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-title .highlight {
  background: var(--gradient-orange);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ─── FEATURES ─── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-orange);
  transform: scaleX(0);
  transition: var(--transition);
}

.feature-card:hover {
  border-color: rgba(255,101,0,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.feature-card:hover::before { transform: scaleX(1); }

.feature-icon {
  width: 56px; height: 56px;
  background: var(--orange-glow);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: rgba(255,101,0,0.2);
  transform: scale(1.05);
}

.feature-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ─── PRODUCT CARDS ─── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.products-grid-3 {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: rgba(255,101,0,0.4);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,101,0,0.1);
}

.product-badge {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 2;
  background: var(--orange-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-image {
  width: 100%;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.product-image::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 40%;
  background: linear-gradient(transparent, var(--bg-card));
}

.product-svg {
  height: 80%;
  width: auto;
  transition: var(--transition);
}

.product-card:hover .product-svg {
  transform: scale(1.05);
}

.product-info {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-code {
  font-size: 0.75rem;
  color: var(--orange-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.product-name {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.spec-chip {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px 10px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.product-colors {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.color-dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.1);
  cursor: pointer;
  transition: var(--transition);
}

.color-dot:hover { transform: scale(1.2); }
.color-dot.silver { background: linear-gradient(135deg, #d0d0d0, #a0a0a0); }
.color-dot.black { background: linear-gradient(135deg, #333, #111); border-color: #555; }
.color-dot.gold { background: linear-gradient(135deg, #FFD700, #B8860B); }

.product-actions {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

.btn-detail {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(255,101,0,0.1);
  color: var(--orange-primary);
  border: 1px solid rgba(255,101,0,0.3);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.btn-detail:hover {
  background: var(--orange-primary);
  color: white;
  border-color: var(--orange-primary);
}

.btn-contact-small {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}

.btn-contact-small:hover {
  border-color: var(--orange-primary);
  color: var(--orange-primary);
}

/* ─── CATEGORY TABS ─── */
.category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  justify-content: center;
}

.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 20px;
  font-family: inherit;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
  background: var(--orange-primary);
  border-color: var(--orange-primary);
  color: white;
}

/* ─── PRODUCT DETAIL PAGE ─── */
.product-detail {
  padding-top: 120px;
  padding-bottom: 80px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.breadcrumb a { color: var(--text-muted); transition: var(--transition); }
.breadcrumb a:hover { color: var(--orange-primary); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--text-secondary); }

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.detail-image-wrap {
  position: sticky;
  top: 100px;
}

.detail-image-main {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 40px;
  margin-bottom: 16px;
}

.detail-image-main svg {
  width: 70%;
  height: 70%;
}

.detail-thumbnails {
  display: flex;
  gap: 12px;
}

.thumb {
  width: 80px; height: 80px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  overflow: hidden;
  padding: 8px;
}

.thumb.active,
.thumb:hover { border-color: var(--orange-primary); }

.detail-info .product-code { font-size: 0.85rem; margin-bottom: 12px; }
.detail-info .product-name { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; margin-bottom: 16px; line-height: 1.3; }

.detail-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.stars { color: #FFB800; }

.detail-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 32px;
}

.spec-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.spec-label { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.spec-value { font-size: 1rem; font-weight: 700; color: var(--text-primary); }

.color-section { margin-bottom: 32px; }
.color-section-title { font-size: 0.9rem; font-weight: 600; margin-bottom: 12px; color: var(--text-secondary); }

.color-options { display: flex; gap: 12px; }

.color-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.color-circle {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 3px solid transparent;
  transition: var(--transition);
}

.color-option:hover .color-circle,
.color-option.active .color-circle {
  border-color: var(--orange-primary);
  transform: scale(1.1);
}

.color-name { font-size: 0.75rem; color: var(--text-muted); }

.detail-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn-quote {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gradient-orange);
  color: white;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 16px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  box-shadow: var(--shadow-orange);
}

.btn-quote:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,101,0,0.45);
}

.btn-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #00B900;
  color: white;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.btn-line:hover {
  background: #009900;
  transform: translateY(-2px);
}

.detail-features {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.detail-features h4 { font-size: 1rem; font-weight: 700; margin-bottom: 16px; }

.feature-list { display: flex; flex-direction: column; gap: 10px; }

.feature-list-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.feature-list-item::before {
  content: '✓';
  color: var(--orange-primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ─── ABOUT PAGE ─── */
.about-hero {
  padding-top: 120px;
  padding-bottom: 80px;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(255,101,0,0.1), transparent);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-card-main {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
}

.about-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 40px;
}

.about-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
}

.about-stat-card:hover {
  border-color: rgba(255,101,0,0.3);
  transform: translateY(-2px);
}

.about-stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-orange);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

/* ─── CONTACT PAGE ─── */
.contact-hero {
  padding-top: 120px;
  padding-bottom: 80px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.contact-info-title { font-size: 1.5rem; font-weight: 800; margin-bottom: 8px; }
.contact-info-desc { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 36px; line-height: 1.7; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-item-icon {
  width: 44px; height: 44px;
  background: var(--orange-glow);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--orange-primary);
  flex-shrink: 0;
}

.contact-item-label { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.contact-item-value { font-size: 0.95rem; color: var(--text-primary); font-weight: 500; line-height: 1.6; }

.contact-socials {
  display: flex;
  gap: 12px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.social-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.social-btn:hover {
  border-color: var(--orange-primary);
  color: var(--orange-primary);
}

.social-btn.line-btn { border-color: #00B900; color: #00B900; }
.social-btn.line-btn:hover { background: #00B900; color: white; }

/* ─── CONTACT FORM ─── */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.form-title { font-size: 1.5rem; font-weight: 800; margin-bottom: 8px; }
.form-desc { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 32px; }

.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 13px 16px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: var(--transition);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--orange-primary);
  box-shadow: 0 0 0 3px rgba(255,101,0,0.1);
}

.form-select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23666' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-textarea { resize: vertical; min-height: 120px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.btn-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gradient-orange);
  color: white;
  font-weight: 700;
  font-size: 1rem;
  padding: 15px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  box-shadow: var(--shadow-orange);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,101,0,0.45);
}

/* ─── TESTIMONIALS ─── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: rgba(255,101,0,0.3);
  transform: translateY(-4px);
}

.testimonial-stars { color: #FFB800; font-size: 1rem; margin-bottom: 14px; }
.testimonial-text { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 20px; }

.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gradient-orange);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: white;
  flex-shrink: 0;
}
.author-name { font-weight: 600; font-size: 0.9rem; }
.author-org { font-size: 0.8rem; color: var(--text-muted); }

/* ─── CTA SECTION ─── */
.cta-section {
  padding: 80px 24px;
  background: radial-gradient(ellipse 70% 70% at 50% 50%, rgba(255,101,0,0.12) 0%, transparent 70%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.cta-title { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 800; margin-bottom: 16px; }
.cta-desc { font-size: 1rem; color: var(--text-secondary); margin-bottom: 36px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ─── FOOTER ─── */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 24px 24px;
}

.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo { margin-bottom: 16px; }
.footer-brand-desc { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; max-width: 280px; margin-bottom: 24px; }

.footer-col-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--orange-primary); }

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { color: var(--text-muted); transition: var(--transition); }
.footer-bottom-links a:hover { color: var(--orange-primary); }

/* ─── RELATED PRODUCTS ─── */
.related-section { padding: 80px 24px; border-top: 1px solid var(--border); }

/* ─── PAGE HERO ─── */
.page-hero {
  padding-top: 140px;
  padding-bottom: 60px;
  text-align: center;
  background: radial-gradient(ellipse 60% 60% at 50% 0%, rgba(255,101,0,0.08), transparent);
  border-bottom: 1px solid var(--border);
}

.page-hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -1px;
}

.page-hero-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ─── DIVIDER ─── */
.divider {
  height: 1px;
  background: var(--border);
  max-width: 1280px;
  margin: 0 auto;
}

/* ─── ANIMATIONS ─── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-image-wrap { position: static; }
  .about-content { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .section { padding: 60px 20px; }
  .hero-container { padding: 60px 20px; }
  .products-grid { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-stats { flex-direction: column; gap: 16px; align-items: center; }
  .about-stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .detail-thumbnails { display: none; }
}