/* StageLumen — Pro Stage Lighting Independent Site
   ============================================== */

:root {
  --bg: #0a0a0a;
  --bg-2: #111111;
  --surface: #1a1a1a;
  --surface-2: #222;
  --border: #2a2a2a;
  --text: #ffffff;
  --text-2: #a0a0a0;
  --text-3: #6b6b6b;
  --primary: #ff6b00;
  --primary-hover: #ff8533;
  --accent: #00d4ff;
  --accent-2: #7c3aed;
  --shadow: 0 10px 30px rgba(0,0,0,0.3);
  --radius: 8px;
  --radius-lg: 16px;
  --container: 1280px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ========== HEADER ========== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  border-radius: 8px;
  display: inline-grid;
  place-items: center;
  font-weight: 800;
  font-size: 18px;
  color: #fff;
}
.nav { display: flex; gap: 32px; align-items: center; }
.nav a {
  font-size: 0.95rem;
  color: var(--text-2);
  position: relative;
  padding: 4px 0;
}
.nav a:hover, .nav a.active { color: var(--text); }
.nav a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0; right: 0;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: var(--transition);
}
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.header-right { display: flex; align-items: center; gap: 12px; }
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--surface);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--text-2);
  border: 1px solid var(--border);
  cursor: pointer;
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.menu-toggle span {
  width: 24px;
  height: 2px;
  background: #fff;
  transition: var(--transition);
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255, 107, 0, 0.25);
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 0, 0.35);
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.4);
}
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 0;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(255, 107, 0, 0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 60%, rgba(124, 58, 237, 0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(0, 212, 255, 0.12) 0%, transparent 60%),
    linear-gradient(180deg, #0a0a0a 0%, #111 100%);
  z-index: 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: 50px 50px;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-text { max-width: 620px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 107, 0, 0.1);
  border: 1px solid rgba(255, 107, 0, 0.3);
  border-radius: 100px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.15rem;
  color: var(--text-2);
  margin-bottom: 36px;
  max-width: 540px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 60px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-3);
  margin-top: 4px;
}

/* Hero visual */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 560px;
  margin-left: auto;
}
.hero-stage {
  position: relative;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, #1a1a1a 0%, #0a0a0a 70%);
  border-radius: 50%;
  border: 1px solid var(--border);
  overflow: hidden;
}
.hero-stage::before {
  content: '';
  position: absolute;
  inset: 0;
  background: conic-gradient(from 0deg at center,
    transparent 0%,
    rgba(255, 107, 0, 0.4) 8%,
    transparent 16%,
    rgba(0, 212, 255, 0.4) 32%,
    transparent 40%,
    rgba(124, 58, 237, 0.4) 56%,
    transparent 64%,
    rgba(255, 107, 0, 0.4) 80%,
    transparent 88%);
  animation: rotate 12s linear infinite;
}
@keyframes rotate { to { transform: rotate(360deg); } }
.hero-stage-content {
  position: absolute;
  inset: 30%;
  background: var(--bg);
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  z-index: 2;
}
.hero-stage-icon {
  font-size: 4rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stage-img {
  position: absolute;
  z-index: 3;
  width: 110px;
  height: 110px;
  border-radius: 16px;
  background: linear-gradient(135deg, #2a2a2a, #1a1a1a);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  font-size: 2.5rem;
  animation: float 4s ease-in-out infinite;
}
.hero-stage-img:nth-of-type(2) { top: 8%; left: -8%; animation-delay: 0s; }
.hero-stage-img:nth-of-type(3) { top: 22%; right: -12%; animation-delay: 0.6s; }
.hero-stage-img:nth-of-type(4) { bottom: 8%; left: -8%; animation-delay: 1.2s; }
.hero-stage-img:nth-of-type(5) { bottom: 22%; right: -12%; animation-delay: 1.8s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* ========== SECTION ========== */
section { padding: 100px 0; position: relative; }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}
.section-eyebrow {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.section-sub { font-size: 1.05rem; color: var(--text-2); }

/* ========== TRUST BAR ========== */
.trust-bar {
  padding: 40px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trust-text {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 32px;
}
.trust-logos {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 32px;
  opacity: 0.6;
  font-weight: 700;
  letter-spacing: 1px;
}
.trust-logos div {
  font-size: 0.95rem;
  color: var(--text-2);
}

/* ========== CATEGORY GRID ========== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.category-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.category-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}
.category-thumb {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  display: grid;
  place-items: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}
.category-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, currentColor 0%, transparent 70%);
  opacity: 0.18;
}
.category-info { padding: 24px; }
.category-info h3 {
  font-size: 1.2rem;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.category-info p { font-size: 0.9rem; color: var(--text-3); }
.category-arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface-2);
  display: inline-grid;
  place-items: center;
  transition: var(--transition);
}
.category-card:hover .category-arrow {
  background: var(--primary);
  transform: translateX(4px);
}
.cat-1 { color: #ff6b00; }
.cat-2 { color: #00d4ff; }
.cat-3 { color: #7c3aed; }
.cat-4 { color: #ec4899; }
.cat-5 { color: #10b981; }
.cat-6 { color: #fbbf24; }

/* ========== PRODUCTS GRID ========== */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}
.product-thumb {
  aspect-ratio: 1/1;
  background: linear-gradient(135deg, #1a1a1a, #0a0a0a);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.product-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255, 107, 0, 0.15) 0%, transparent 60%);
}
.product-thumb-icon {
  font-size: 4.5rem;
  z-index: 1;
  filter: drop-shadow(0 0 20px currentColor);
}
.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  z-index: 2;
}
.product-badge.hot { background: var(--primary); color: #fff; }
.product-badge.new { background: var(--accent); color: #111; }
.product-info { padding: 20px; }
.product-info h4 { font-size: 1rem; margin-bottom: 8px; line-height: 1.3; }
.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-3);
  margin-bottom: 12px;
}
.product-rating { color: #fbbf24; }
.product-price { font-size: 0.95rem; color: var(--text-2); margin-bottom: 16px; }
.product-price strong { color: var(--primary); font-size: 1.15rem; }
.product-actions { display: flex; gap: 8px; }
.product-actions .btn { flex: 1; padding: 10px; font-size: 0.85rem; }

/* ========== APPLICATIONS ========== */
.applications-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.app-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
  transition: var(--transition);
}
.app-card:hover { transform: translateY(-4px); }
.app-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: var(--transition);
}
.app-card:hover .app-card-bg { transform: scale(1.08); }
.app-card-bg.bar { background: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%); }
.app-card-bg.church { background: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%); }
.app-card-bg.concert { background: linear-gradient(135deg, #ff6b00 0%, #ec4899 100%); }
.app-card-bg.auditorium { background: linear-gradient(135deg, #10b981 0%, #00d4ff 100%); }
.app-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.85) 100%);
}
.app-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  z-index: 2;
}
.app-card-content h3 { font-size: 1.4rem; margin-bottom: 6px; }
.app-card-content p { font-size: 0.9rem; color: var(--text-2); }

/* ========== FEATURES ========== */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.feature-card { text-align: center; padding: 32px 20px; }
.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 1.8rem;
  box-shadow: 0 8px 24px rgba(255, 107, 0, 0.25);
}
.feature-card h4 { font-size: 1.1rem; margin-bottom: 10px; }
.feature-card p { font-size: 0.95rem; color: var(--text-2); }

/* ========== CERTIFICATIONS ========== */
.cert-grid { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.cert-badge {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 140px;
  transition: var(--transition);
}
.cert-badge:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}
.cert-icon {
  font-size: 1.4rem;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 1px;
}
.cert-name {
  font-size: 0.8rem;
  color: var(--text-2);
  text-align: center;
  font-weight: 600;
}

/* ========== TESTIMONIALS ========== */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
}
.testimonial-quote {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 24px;
  font-style: italic;
}
.testimonial-quote::before {
  content: '"';
  font-size: 4rem;
  color: var(--primary);
  position: absolute;
  top: -20px;
  left: 24px;
  line-height: 1;
}
.stars { color: #fbbf24; font-size: 0.95rem; margin-bottom: 16px; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #fff;
}
.author-info h5 { font-size: 0.95rem; margin-bottom: 2px; }
.author-info p { font-size: 0.8rem; color: var(--text-3); }

/* ========== CTA SECTION ========== */
.cta-section {
  padding: 100px 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(255, 107, 0, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 50%, rgba(0, 212, 255, 0.18) 0%, transparent 60%),
    var(--bg-2);
  text-align: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.cta-section p {
  font-size: 1.15rem;
  color: var(--text-2);
  max-width: 600px;
  margin: 0 auto 36px;
}

/* ========== FOOTER ========== */
footer {
  background: var(--bg-2);
  padding: 80px 0 32px;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer-brand p {
  color: var(--text-2);
  font-size: 0.9rem;
  margin: 16px 0 24px;
  max-width: 360px;
}
.newsletter {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 360px;
}
.newsletter input {
  flex: 1;
  padding: 12px 16px;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: inherit;
  outline: none;
}
.newsletter input::placeholder { color: var(--text-3); }
.newsletter button {
  padding: 12px 20px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}
.footer-col h4 { font-size: 0.95rem; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { font-size: 0.9rem; color: var(--text-2); }
.footer-col a:hover { color: var(--primary); }
.social-links { display: flex; gap: 10px; margin-top: 20px; }
.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--text-2);
}
.social-links a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-3);
}

/* ========== PAGES: Products / Detail / RFQ / About ========== */
.page-hero {
  padding: 80px 0 60px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255, 107, 0, 0.12) 0%, transparent 60%),
    var(--bg-2);
}
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}
.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-3);
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--text-3); }

/* Filter / Toolbar */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.filter-pill {
  padding: 8px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--text-2);
  cursor: pointer;
  transition: var(--transition);
}
.filter-pill.active, .filter-pill:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.toolbar-right {
  margin-left: auto;
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-2);
}
.toolbar-right select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: var(--radius);
  font-family: inherit;
  cursor: pointer;
}

/* Product Detail */
.detail-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  margin-bottom: 80px;
}
.gallery-main {
  aspect-ratio: 1/1;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #1a1a1a, #0a0a0a);
  display: grid;
  place-items: center;
  font-size: 9rem;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
}
.gallery-main::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255, 107, 0, 0.18) 0%, transparent 60%);
  pointer-events: none;
}
.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 16px;
}
.gallery-thumb {
  aspect-ratio: 1/1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  font-size: 1.8rem;
  cursor: pointer;
  transition: var(--transition);
}
.gallery-thumb.active {
  border-color: var(--primary);
  background: rgba(255, 107, 0, 0.08);
}
.gallery-thumb:hover { border-color: var(--primary); }

.detail-info h1 {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.detail-rating {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  color: #fbbf24;
  font-size: 0.95rem;
}
.detail-rating small { color: var(--text-3); }
.detail-price-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}
.detail-price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}
.detail-price small { font-size: 0.85rem; color: var(--text-3); }
.spec-list {
  margin: 24px 0;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}
.spec-row {
  display: flex;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.95rem;
}
.spec-row .label { width: 140px; color: var(--text-3); }
.spec-row .value { color: var(--text); }

.qty-stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.qty-stepper button {
  width: 40px;
  height: 40px;
  color: var(--text);
  font-size: 1.1rem;
}
.qty-stepper button:hover { background: rgba(255, 255, 255, 0.08); }
.qty-stepper input {
  width: 60px;
  height: 40px;
  background: transparent;
  border: none;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  color: var(--text);
  text-align: center;
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
}

/* Tabs */
.tabs { margin-top: 60px; }
.tab-nav {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
  overflow-x: auto;
}
.tab-nav button {
  padding: 14px 24px;
  background: transparent;
  color: var(--text-2);
  font-size: 0.95rem;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.tab-nav button.active,
.tab-nav button:hover {
  color: var(--text);
  border-bottom-color: var(--primary);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-panel h3 {
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.tab-panel p {
  color: var(--text-2);
  margin-bottom: 16px;
  font-size: 1rem;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.download-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: var(--transition);
}
.download-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.download-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: rgba(255, 107, 0, 0.1);
  color: var(--primary);
  display: grid;
  place-items: center;
  font-size: 1.2rem;
}
.download-info small { color: var(--text-3); font-size: 0.8rem; }

/* RFQ */
.rfq-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
}
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.form-card h2 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}
.form-card > p {
  color: var(--text-2);
  margin-bottom: 28px;
  font-size: 0.95rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-group { display: flex; flex-direction: column; margin-bottom: 16px; }
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { min-height: 120px; resize: vertical; }
.form-status {
  margin-top: 16px;
  font-size: 0.9rem;
}
.form-status.loading { color: var(--accent); }
.form-status.success { color: #10b981; }

.aside-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 16px;
}
.aside-card h3 { font-size: 1.05rem; margin-bottom: 16px; }
.contact-row {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.9rem;
}
.contact-row:last-child { border-bottom: none; }
.contact-row strong { color: var(--text-3); min-width: 100px; }

.process-list { counter-reset: step; }
.process-list li {
  counter-increment: step;
  position: relative;
  padding: 16px 0 16px 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.process-list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 14px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #fff;
}
.process-list li strong {
  display: block;
  margin-bottom: 4px;
}
.process-list li small { color: var(--text-3); font-size: 0.85rem; }

/* About */
.factory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 40px 0;
}
.factory-tile {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  font-size: 2rem;
  color: var(--text-3);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin: 40px 0;
}
.stat-block {
  text-align: center;
  padding: 32px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.stat-block .stat-num { font-size: 2.5rem; }
.timeline {
  position: relative;
  margin: 40px auto;
  max-width: 800px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}
.timeline-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
  position: relative;
}
.timeline-item:nth-child(odd) .timeline-content { grid-column: 1; text-align: right; }
.timeline-item:nth-child(even) .timeline-content { grid-column: 2; }
.timeline-item .timeline-year {
  position: absolute;
  left: 50%;
  top: 16px;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 700;
}
.timeline-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.timeline-content h4 { font-size: 1rem; margin-bottom: 6px; }
.timeline-content p { color: var(--text-2); font-size: 0.9rem; }

/* Fade-up animation */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ========== COOKIE CONSENT BANNER ========== */
.sl-cookie {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.96);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top: 1px solid #2a2a2a;
  box-shadow: 0 -10px 40px rgba(0,0,0,0.4);
  animation: slCookieUp 0.4s ease-out;
}
@keyframes slCookieUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}
.sl-cookie__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.sl-cookie__msg {
  flex: 1;
  min-width: 280px;
  font-size: 0.93rem;
  color: #d0d0d0;
  line-height: 1.5;
}
.sl-cookie__msg strong { color: #fff; }
.sl-cookie__msg a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.sl-cookie__actions { display: flex; gap: 10px; }
.sl-cookie__btn {
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: 0.2s ease;
}
.sl-cookie__btn--primary { background: #ff6b00; color: #fff; }
.sl-cookie__btn--primary:hover { background: #ff8533; }
.sl-cookie__btn--ghost {
  background: transparent;
  color: #a0a0a0;
  border: 1px solid #2a2a2a;
}
.sl-cookie__btn--ghost:hover { color: #fff; border-color: #444; }

/* ========== RESPONSIVE ========== */
@media (max-width: 960px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { max-width: 400px; margin: 40px auto 0; }
  .nav { display: none; }
  .nav.open {
    display: flex;
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    flex-direction: column;
    gap: 18px;
  }
  .menu-toggle { display: flex; }
  .product-grid, .category-grid, .applications-grid,
  .features-grid, .testimonials-grid,
  .details-grid, .rfq-grid, .footer-grid,
  .factory-grid, .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .download-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  section { padding: 60px 0; }
  .detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .product-grid, .category-grid, .applications-grid,
  .features-grid, .testimonials-grid,
  .footer-grid, .factory-grid, .stats-grid,
  .form-row {
    grid-template-columns: 1fr;
  }
  .header-right .btn { display: none; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .timeline-item { grid-template-columns: 1fr; }
  .timeline::before { left: 16px; }
  .timeline-item .timeline-year { left: 16px; transform: none; }
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    grid-column: 1;
    text-align: left;
    margin-left: 56px;
  }
  .form-card { padding: 24px; }
}

/* ========== LOADING / EMPTY STATES ========== */
.loading-placeholder {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-3);
  font-size: 0.95rem;
  grid-column: 1 / -1;
  width: 100%;
}

.loading-placeholder::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-right: 8px;
  border: 2px solid var(--primary);
  border-top-color: transparent;
  border-radius: 50%;
  vertical-align: middle;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.empty-state {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-3);
}

.empty-state h3 {
  color: var(--text-2);
  margin-bottom: 12px;
  font-weight: 500;
}

/* ========== PRODUCT CARD ANIMATIONS ========== */
.product-card {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.5s ease-out forwards;
}

.product-card:nth-child(1) { animation-delay: 0.05s; }
.product-card:nth-child(2) { animation-delay: 0.1s; }
.product-card:nth-child(3) { animation-delay: 0.15s; }
.product-card:nth-child(4) { animation-delay: 0.2s; }
.product-card:nth-child(5) { animation-delay: 0.25s; }
.product-card:nth-child(6) { animation-delay: 0.3s; }
.product-card:nth-child(7) { animation-delay: 0.35s; }
.product-card:nth-child(8) { animation-delay: 0.4s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}