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

:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --accent: #ef4444;
  --accent-hover: #dc2626;
  --accent-light: #fee2e2;
  --bg: #f8fafc;
  --bg-white: #ffffff;
  --text: #0f172a;
  --text-light: #64748b;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.06);
  --radius: 12px;
  --radius-lg: 20px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
}

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

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo img {
  height: 50px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-cta {
  background: var(--primary);
  color: white !important;
  padding: 10px 20px;
  border-radius: 8px;
  transition: background 0.15s, transform 0.15s !important;
}

.nav-cta:hover {
  background: var(--accent) !important;
  transform: translateY(-1px);
}

.nav-phone {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.nav-phone:hover {
  color: var(--accent-hover);
}

/* Mobile toggle */
.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
}

.nav-mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.25s;
  transform-origin: center;
}

.nav-mobile-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-mobile-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-mobile-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  padding: 110px 0 90px;
  background: linear-gradient(135deg, #0a0f1e 0%, #0f172a 50%, #1a1f35 100%);
  color: white;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(239,68,68,0.12) 0%, transparent 60%),
              radial-gradient(ellipse 60% 40% at 80% 100%, rgba(99,102,241,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.8);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  margin-bottom: 24px;
  letter-spacing: 0.01em;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero .text-gradient {
  background: linear-gradient(135deg, #ef4444 0%, #f97316 60%, #fbbf24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.65);
  max-width: 540px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 14px rgba(239,68,68,0.35);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(239,68,68,0.45);
}

.btn-outline {
  background: rgba(255,255,255,0.08);
  color: white;
  border: 1.5px solid rgba(255,255,255,0.25);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-1px);
}

.btn-full {
  width: 100%;
}

/* Hero Features */
.hero-features {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 64px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  font-weight: 500;
}

.feature-icon {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-icon svg {
  width: 18px;
  height: 18px;
  stroke: rgba(255,255,255,0.7);
}

/* Category Grid */
.category-grid {
  position: relative;
  z-index: 2;
  padding: 56px 0 16px;
}

.category-grid-inner {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.category-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 16px;
  text-align: center;
  transition: all 0.25s;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.category-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.category-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
  display: block;
}

.category-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text);
}

.category-card p {
  font-size: 0.78rem;
  color: var(--text-light);
  line-height: 1.4;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 52px;
}

.section-header h2 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-light);
  font-size: 1rem;
}

.section-title-centered {
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 36px;
  letter-spacing: -0.02em;
}

/* Featured Products */
.featured-products {
  padding: 80px 0 100px;
  background: var(--bg-white);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.25s;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(239,68,68,0.2);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
  letter-spacing: 0.03em;
  z-index: 1;
  text-transform: uppercase;
}

.product-visual {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.product-visual--banner {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.product-visual--sign {
  background: linear-gradient(135deg, #14532d 0%, #166534 100%);
}

.product-visual--stand {
  background: linear-gradient(135deg, #1e3a5f 0%, #1e40af 100%);
}

.product-visual--window {
  background: linear-gradient(135deg, #312e81 0%, #4c1d95 100%);
}

.product-visual svg {
  width: 100%;
  max-width: 120px;
  height: auto;
}

.product-details {
  padding: 20px;
}

.product-details h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.product-details p {
  font-size: 0.82rem;
  color: var(--text-light);
  margin-bottom: 14px;
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 14px;
}

.price-amount {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.price-unit {
  font-size: 0.85rem;
  color: var(--text-light);
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: gap 0.15s;
}

.product-link:hover {
  gap: 8px;
  color: var(--accent-hover);
}

.section-cta {
  text-align: center;
  margin-top: 52px;
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
  background: var(--bg);
}

.cta-card {
  background: linear-gradient(135deg, #0a0f1e 0%, #0f172a 60%, #1a1f35 100%);
  border-radius: var(--radius-lg);
  padding: 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(239,68,68,0.15) 0%, transparent 60%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: white;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.cta-content p {
  color: rgba(255,255,255,0.65);
  margin-bottom: 28px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.btn-white {
  background: white;
  color: var(--primary);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(0,0,0,0.2);
}

.btn-white:hover {
  background: #f8fafc;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

/* Page Hero */
.page-hero {
  position: relative;
  padding: 80px 0;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.page-hero p {
  color: var(--text-light);
  font-size: 1.05rem;
  max-width: 560px;
}

/* Products Section */
.products-section {
  padding: 60px 0 80px;
}

.product-full-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.product-full-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 190px 1fr;
  transition: all 0.25s;
  box-shadow: var(--shadow-sm);
}

.product-full-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(239,68,68,0.2);
}

.product-full-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
}

.product-full-visual--banner {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.product-full-visual--sign {
  background: linear-gradient(135deg, #14532d 0%, #166534 100%);
}

.product-full-visual--stand {
  background: linear-gradient(135deg, #1e3a5f 0%, #1e40af 100%);
}

.product-full-visual--swap {
  background: linear-gradient(135deg, #3b1f5e 0%, #6d28d9 100%);
}

.product-full-visual--replacement {
  background: linear-gradient(135deg, #7c2d12 0%, #b45309 100%);
}

.product-full-visual--aframe {
  background: linear-gradient(135deg, #065f46 0%, #0f766e 100%);
}

.product-full-visual svg {
  width: 100%;
  max-width: 130px;
  height: auto;
}

.product-full-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.product-full-badge {
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.product-full-details {
  padding: 24px;
}

.product-full-details h3 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.product-full-header h3 {
  margin: 0;
}

.product-full-details > p {
  color: var(--text-light);
  margin-bottom: 16px;
  font-size: 0.9rem;
  line-height: 1.6;
}

.product-full-specs {
  list-style: none;
  margin-bottom: 20px;
}

.product-full-specs li {
  color: var(--text-light);
  padding: 4px 0;
  font-size: 0.875rem;
}

.product-full-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 16px;
}

.price-label {
  font-size: 0.78rem;
  color: var(--text-light);
  margin-right: 2px;
}

.product-full-price .price-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.product-full-price .price-unit {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* Services */
.services-section {
  padding: 60px 0 80px;
}

.services-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-showcase-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.25s;
  box-shadow: var(--shadow-sm);
}

.service-showcase-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(239,68,68,0.2);
}

.service-showcase-visual {
  height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.service-showcase-visual--backdrop {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.service-showcase-visual--flag {
  background: linear-gradient(135deg, #7c2d12 0%, #ef4444 100%);
}

.service-showcase-visual--aframe {
  background: linear-gradient(135deg, #065f46 0%, #0f766e 100%);
}

.service-showcase-visual svg {
  width: 100%;
  max-width: 140px;
  height: auto;
}

.service-showcase-content {
  padding: 24px;
}

.service-showcase-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.service-highlight {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.service-specs {
  list-style: none;
  margin: 12px 0 16px;
}

.service-specs li {
  color: var(--text-light);
  font-size: 0.85rem;
  padding: 3px 0;
}

.service-specs li::before {
  content: '✓ ';
  color: var(--accent);
  font-weight: 700;
}

/* Other Services */
.other-services {
  padding: 60px 0 80px;
  background: var(--bg);
}

.other-services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.other-service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: all 0.25s;
  box-shadow: var(--shadow-sm);
}

.other-service-card:hover {
  border-color: rgba(239,68,68,0.25);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.other-service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.other-service-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* Page Hero Dark */
.page-hero-dark {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.page-hero-dark h1,
.page-hero-dark p {
  color: white;
}

.page-hero-dark p {
  color: rgba(255,255,255,0.7);
}

/* Window Film */
.window-film-showcase {
  padding: 60px 0;
}

.window-film-grid {
  max-width: 700px;
  margin: 0 auto;
}

.window-film-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.window-film-visual {
  background: linear-gradient(135deg, #0c4a6e 0%, #0369a1 100%);
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.window-film-visual svg {
  width: 100%;
  max-width: 240px;
  height: auto;
}

.window-film-content {
  padding: 32px;
  text-align: center;
}

.window-film-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.price-large {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}

.window-film-content > p {
  color: var(--text-light);
  margin-bottom: 24px;
}

.feature-list {
  list-style: none;
  text-align: left;
}

.feature-list li {
  color: var(--text-light);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

/* Benefits */
.window-film-benefits,
.acoustic-features {
  padding: 60px 0;
  background: var(--bg-white);
}

.benefits-grid,
.acoustic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.benefit-card,
.acoustic-card {
  text-align: center;
  padding: 24px;
}

.benefit-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 12px;
}

.acoustic-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.benefit-card h3,
.acoustic-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.benefit-card p,
.acoustic-card p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Info Cards */
.window-film-info {
  padding: 60px 0;
}

.info-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.info-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.info-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.info-card p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Acoustic */
.acoustic-intro {
  padding: 60px 0;
}

.acoustic-text h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.acoustic-text p {
  color: var(--text-light);
  margin-bottom: 16px;
}

.benefit-list {
  list-style: none;
  margin-top: 24px;
}

.benefit-list li {
  color: var(--text);
  padding: 8px 0;
}

.acoustic-uses {
  padding: 60px 0;
}

.uses-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.use-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.use-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.use-card p {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* Contact */
.contact-section {
  padding: 60px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 40px;
}

.contact-info-card,
.contact-form-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

.contact-info-card h2,
.contact-form-card h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.contact-info-card > p {
  color: var(--text-light);
  margin-bottom: 32px;
}

.contact-methods {
  display: grid;
  gap: 20px;
}

.contact-method {
  display: flex;
  gap: 16px;
}

.contact-method-icon {
  font-size: 1.5rem;
}

.contact-method h4 {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 4px;
}

.contact-method a {
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}

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

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
}

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

/* FAQ */
.faq-section {
  padding: 60px 0;
  background: var(--bg-white);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.faq-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.faq-item p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Footer */
.footer {
  background: #080c16;
  color: white;
}

.footer-main {
  padding: 64px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
}

.footer-brand img {
  height: 42px;
  margin-bottom: 16px;
  opacity: 0.9;
}

.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 0.72rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
}

.footer-links a {
  display: block;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  padding: 5px 0;
  font-size: 0.9rem;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: white;
}

.footer-contact a,
.footer-contact p {
  display: block;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  padding: 5px 0;
  font-size: 0.9rem;
}

.footer-contact a:hover {
  color: white;
}

.footer-bottom {
  padding: 22px 0;
  background: rgba(0,0,0,0.2);
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.3);
  text-align: center;
}

/* Contact form improvements */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}

.form-group input,
.form-group select,
.form-group textarea {
  transition: border-color 0.15s, box-shadow 0.15s;
  background: var(--bg);
  color: var(--text);
}

/* Responsive */
@media (max-width: 1024px) {
  .category-grid-inner,
  .product-grid,
  .product-full-grid,
  .services-showcase {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero h1 {
    font-size: 3.2rem;
  }
}

@media (max-width: 768px) {
  .nav-mobile-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-cta {
    display: inline-flex;
    width: 100%;
    justify-content: center;
    margin-top: 8px;
    padding: 12px 20px;
  }

  .nav-phone {
    display: none;
  }

  .hero {
    padding: 80px 24px 70px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-features {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px 24px;
  }

  .hero-feature {
    font-size: 0.82rem;
  }

  .category-grid-inner,
  .product-grid,
  .product-full-grid,
  .services-showcase,
  .other-services-grid,
  .benefits-grid,
  .acoustic-grid,
  .uses-grid,
  .faq-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .category-grid-inner {
    grid-template-columns: repeat(3, 1fr);
  }

  .product-full-card {
    grid-template-columns: 1fr;
  }

  .product-full-visual {
    height: 160px;
    padding: 20px;
  }

  .cta-card {
    padding: 40px 28px;
  }

  .cta-content h2 {
    font-size: 1.8rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .section-header h2 {
    font-size: 1.9rem;
  }

  .page-hero h1 {
    font-size: 2.2rem;
  }
}

@media (max-width: 480px) {
  .category-grid-inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2rem;
  }
}

/* ============================================================
   KEYFRAME ANIMATIONS
   ============================================================ */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes floatOrb {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-20px) scale(1.05); }
}

@keyframes floatOrbAlt {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(16px) scale(0.96); }
}

@keyframes shimmerSweep {
  0%   { left: -100%; }
  100% { left: 160%; }
}

@keyframes rippleOut {
  to { transform: translate(-50%, -50%) scale(6); opacity: 0; }
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes drawLine {
  from { width: 0; }
  to   { width: 48px; }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 4px 14px rgba(239,68,68,0.35); }
  50%       { box-shadow: 0 4px 28px rgba(239,68,68,0.6); }
}

@keyframes iconBounce {
  0%   { transform: scale(1) rotate(0deg); }
  30%  { transform: scale(1.3) rotate(-8deg); }
  60%  { transform: scale(0.9) rotate(4deg); }
  100% { transform: scale(1) rotate(0deg); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   HERO — LOAD ANIMATIONS & DECORATION
   ============================================================ */

.hero-tag    { animation: slideDown 0.65s cubic-bezier(0.16,1,0.3,1) 0.1s  both; }
.hero h1     { animation: fadeUp   0.75s cubic-bezier(0.16,1,0.3,1) 0.22s both; }
.hero p      { animation: fadeUp   0.75s cubic-bezier(0.16,1,0.3,1) 0.34s both; }
.hero-buttons{ animation: fadeUp   0.75s cubic-bezier(0.16,1,0.3,1) 0.44s both; }
.hero-features{ animation: fadeUp  0.75s cubic-bezier(0.16,1,0.3,1) 0.54s both; }

/* Floating glowing orbs behind hero content */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-bg::before {
  content: '';
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(239,68,68,0.13) 0%, transparent 70%);
  top: -160px;
  right: -80px;
  animation: floatOrb 9s ease-in-out infinite;
}

.hero-bg::after {
  content: '';
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99,102,241,0.09) 0%, transparent 70%);
  bottom: -100px;
  left: -60px;
  animation: floatOrbAlt 11s ease-in-out infinite;
}

/* Dot-grid overlay on hero */
.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}


/* ============================================================
   BUTTON EFFECTS
   ============================================================ */

.btn-primary {
  position: relative;
  overflow: hidden;
  animation: pulseGlow 3s ease-in-out infinite;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 55%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.22), transparent);
  pointer-events: none;
}

.btn-primary:hover::before {
  animation: shimmerSweep 0.55s ease forwards;
}

/* Ripple */
.btn-ripple {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  transform: translate(-50%, -50%) scale(0);
  pointer-events: none;
  animation: rippleOut 0.55s ease forwards;
}

/* ============================================================
   MARQUEE TICKER STRIP
   ============================================================ */

.marquee-strip {
  background: var(--accent);
  padding: 11px 0;
  overflow: hidden;
  position: relative;
  z-index: 3;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marqueeScroll 22s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

.marquee-content {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.marquee-item {
  color: white;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0 20px;
}

.marquee-sep {
  color: rgba(255,255,255,0.45);
  font-size: 0.6rem;
  flex-shrink: 0;
}

/* ============================================================
   CATEGORY CARD — ICON BOUNCE
   ============================================================ */

.category-card .category-icon {
  display: block;
  transition: transform 0.2s;
}

.category-card:hover .category-icon {
  animation: iconBounce 0.45s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

/* ============================================================
   SECTION HEADING — RED ACCENT BAR
   ============================================================ */

.section-header h2 {
  position: relative;
  padding-bottom: 16px;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  height: 3px;
  width: 0;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0s; /* controlled by .animated */
}

.section-header.animated h2::after {
  animation: drawLine 0.5s cubic-bezier(0.16,1,0.3,1) 0.35s forwards;
}

/* ============================================================
   SCROLL-IN ANIMATIONS — BASE STATES
   ============================================================ */

/* Elements start invisible, slide up.
   Gated behind html.js so content stays visible when JS doesn't run. */
html.js .section-header,
html.js .cta-card,
html.js .contact-grid,
html.js .window-film-card,
html.js .window-film-content,
html.js .acoustic-text {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s cubic-bezier(0.16,1,0.3,1),
              transform 0.65s cubic-bezier(0.16,1,0.3,1);
}

/* Card children in grid containers */
html.js .category-grid-inner .category-card,
html.js .product-grid .product-card,
html.js .product-full-grid .product-full-card,
html.js .services-showcase .service-showcase-card,
html.js .other-services-grid .other-service-card,
html.js .faq-grid .faq-item,
html.js .benefits-grid .benefit-card,
html.js .acoustic-grid .acoustic-card,
html.js .uses-grid .use-card,
html.js .info-cards .info-card {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.58s cubic-bezier(0.16,1,0.3,1),
              transform 0.58s cubic-bezier(0.16,1,0.3,1);
}

/* ── Animated (visible) states ── */
html.js .section-header.animated,
html.js .cta-card.animated,
html.js .contact-grid.animated,
html.js .window-film-card.animated,
html.js .window-film-content.animated,
html.js .acoustic-text.animated {
  opacity: 1;
  transform: none;
}

html.js .category-grid-inner.animated .category-card,
html.js .product-grid.animated .product-card,
html.js .product-full-grid.animated .product-full-card,
html.js .services-showcase.animated .service-showcase-card,
html.js .other-services-grid.animated .other-service-card,
html.js .faq-grid.animated .faq-item,
html.js .benefits-grid.animated .benefit-card,
html.js .acoustic-grid.animated .acoustic-card,
html.js .uses-grid.animated .use-card,
html.js .info-cards.animated .info-card {
  opacity: 1;
  transform: none;
}

/* ── Stagger delays for children ── */
.category-grid-inner.animated .category-card:nth-child(1),
.product-grid.animated .product-card:nth-child(1),
.product-full-grid.animated .product-full-card:nth-child(1),
.services-showcase.animated .service-showcase-card:nth-child(1),
.other-services-grid.animated .other-service-card:nth-child(1),
.faq-grid.animated .faq-item:nth-child(1),
.benefits-grid.animated .benefit-card:nth-child(1),
.uses-grid.animated .use-card:nth-child(1)  { transition-delay: 0s; }

.category-grid-inner.animated .category-card:nth-child(2),
.product-grid.animated .product-card:nth-child(2),
.product-full-grid.animated .product-full-card:nth-child(2),
.services-showcase.animated .service-showcase-card:nth-child(2),
.other-services-grid.animated .other-service-card:nth-child(2),
.faq-grid.animated .faq-item:nth-child(2),
.benefits-grid.animated .benefit-card:nth-child(2),
.uses-grid.animated .use-card:nth-child(2)  { transition-delay: 0.09s; }

.category-grid-inner.animated .category-card:nth-child(3),
.product-grid.animated .product-card:nth-child(3),
.product-full-grid.animated .product-full-card:nth-child(3),
.services-showcase.animated .service-showcase-card:nth-child(3),
.other-services-grid.animated .other-service-card:nth-child(3),
.faq-grid.animated .faq-item:nth-child(3),
.benefits-grid.animated .benefit-card:nth-child(3),
.uses-grid.animated .use-card:nth-child(3)  { transition-delay: 0.18s; }

.category-grid-inner.animated .category-card:nth-child(4),
.product-grid.animated .product-card:nth-child(4),
.product-full-grid.animated .product-full-card:nth-child(4),
.other-services-grid.animated .other-service-card:nth-child(4),
.faq-grid.animated .faq-item:nth-child(4),
.benefits-grid.animated .benefit-card:nth-child(4),
.uses-grid.animated .use-card:nth-child(4)  { transition-delay: 0.27s; }

.category-grid-inner.animated .category-card:nth-child(5),
.product-full-grid.animated .product-full-card:nth-child(5) { transition-delay: 0.36s; }

.category-grid-inner.animated .category-card:nth-child(6),
.product-full-grid.animated .product-full-card:nth-child(6) { transition-delay: 0.45s; }

/* ============================================================
   TRUST STATS STRIP
   ============================================================ */

.trust-strip {
  padding: 64px 0;
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.trust-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -55deg,
    transparent,
    transparent 30px,
    rgba(255,255,255,0.015) 30px,
    rgba(255,255,255,0.015) 60px
  );
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  z-index: 1;
}

.trust-stat {
  text-align: center;
  padding: 0 24px;
  border-right: 1px solid rgba(255,255,255,0.08);
}

.trust-stat:last-child {
  border-right: none;
}

.trust-number-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  margin-bottom: 8px;
}

.trust-number {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.03em;
  animation: countUp 0.5s ease both;
}

.trust-suffix {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.trust-stat p {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================
   MISC POLISH
   ============================================================ */

/* Squiggly red underline on nav active link */
.nav-links a.active {
  color: var(--accent);
}

/* Product visual hover brightness pop */
.product-full-card:hover .product-full-visual {
  filter: brightness(1.12) saturate(1.1);
  transition: filter 0.3s;
}

.service-showcase-card:hover .service-showcase-visual {
  filter: brightness(1.1) saturate(1.1);
  transition: filter 0.3s;
}

/* Page hero slide-in */
.page-hero .container {
  animation: fadeUp 0.7s cubic-bezier(0.16,1,0.3,1) 0.1s both;
}

/* Red left-border accent on faq items */
.faq-item {
  border-left: 3px solid transparent;
  transition: border-color 0.25s, all 0.25s;
}

.faq-item:hover {
  border-left-color: var(--accent);
}

/* Contact methods hover */
.contact-method {
  padding: 12px;
  border-radius: 10px;
  transition: background 0.2s;
}

.contact-method:hover {
  background: var(--accent-light);
}

/* Accent bar on section headings (non-centered) */
.acoustic-text h2,
.window-film-content h3 {
  position: relative;
  padding-bottom: 14px;
}

.acoustic-text h2::after,
.window-film-content h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

/* window-film heading is centered, so center its accent bar */
.window-film-content h3::after {
  left: 50%;
  transform: translateX(-50%);
}

/* Footer top accent stripe */
.footer {
  border-top: 3px solid var(--accent);
}

/* Smooth image filter on logo */
.nav-logo img {
  transition: opacity 0.2s;
}

.nav-logo:hover img {
  opacity: 0.8;
}

/* Price amount pop on hover */
.product-card:hover .price-amount {
  color: var(--accent-hover);
  transition: color 0.2s;
}

/* Other service card left accent */
.other-service-card {
  border-left: 3px solid transparent;
  transition: border-color 0.2s, all 0.25s;
}

.other-service-card:hover {
  border-left-color: var(--accent);
}

/* Responsive trust strip */
@media (max-width: 768px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 0;
  }

  .trust-stat {
    border-right: none;
  }

  .trust-stat:nth-child(odd) {
    border-right: 1px solid rgba(255,255,255,0.08);
  }

  .trust-number {
    font-size: 2.4rem;
  }

  .marquee-item {
    font-size: 0.72rem;
    padding: 0 14px;
  }
}
/* ============================================================
   REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .marquee-track {
    animation: none;
    flex-wrap: wrap;
  }

  html.js .section-header,
  html.js .cta-card,
  html.js .contact-grid,
  html.js .window-film-card,
  html.js .window-film-content,
  html.js .acoustic-text,
  html.js .category-grid-inner .category-card,
  html.js .product-grid .product-card,
  html.js .product-full-grid .product-full-card,
  html.js .services-showcase .service-showcase-card,
  html.js .other-services-grid .other-service-card,
  html.js .faq-grid .faq-item,
  html.js .benefits-grid .benefit-card,
  html.js .acoustic-grid .acoustic-card,
  html.js .uses-grid .use-card,
  html.js .info-cards .info-card {
    opacity: 1;
    transform: none;
  }
}