*, *::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;
}

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: var(--bg-white);
  border-bottom: 1px solid var(--border);
}

.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;
}

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

.nav-cta {
  background: var(--primary);
  color: white !important;
  padding: 10px 20px;
  border-radius: 6px;
}

.nav-phone {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

/* Hero */
.hero {
  position: relative;
  padding: 100px 0 80px;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: white;
  text-align: center;
}

.hero-tag {
  display: inline-block;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.hero .text-gradient {
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.7);
  max-width: 560px;
  margin: 0 auto 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  border-color: white;
}

/* Hero Features */
.hero-features {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 60px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.8);
}

.feature-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Category Grid */
.category-grid {
  margin-top: -30px;
  position: relative;
  z-index: 2;
}

.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: 16px;
  padding: 24px 16px;
  text-align: center;
  transition: all 0.3s;
}

.category-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

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

.category-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.category-card p {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-light);
}

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

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

.product-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s;
}

.product-card:hover {
  transform: translateY(-4px);
}

.product-visual {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-visual span {
  font-size: 1rem;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  letter-spacing: 2px;
}

.product-details {
  padding: 20px;
}

.product-details h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.product-details p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 12px;
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 12px;
}

.price-amount {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.price-unit {
  font-size: 0.9rem;
  color: var(--text-light);
}

.section-cta {
  text-align: center;
  margin-top: 48px;
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
}

.cta-card {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-radius: 24px;
  padding: 60px;
  text-align: center;
}

.cta-content h2 {
  font-size: 2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
}

.cta-content p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 24px;
}

.btn-white {
  background: white;
  color: var(--primary);
}

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

.page-hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-hero p {
  color: var(--text-light);
}

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

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

.product-full-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 200px 1fr;
}

.product-full-visual {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-full-visual span {
  font-size: 0.9rem;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  letter-spacing: 2px;
}

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

.product-full-details h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.product-full-details > p {
  color: var(--text-light);
  margin-bottom: 16px;
}

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

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

.price-label {
  font-size: 0.8rem;
  color: var(--text-light);
}

.product-full-price .price-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
}

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

.services-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

.service-showcase-visual {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-showcase-visual span {
  font-size: 0.9rem;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  letter-spacing: 2px;
}

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

.service-showcase-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.service-highlight {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}

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

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

.other-service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

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

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

/* 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, #0f172a 0%, #1e293b 100%);
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.window-film-visual span {
  font-size: 1.2rem;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
}

.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;
}

.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: var(--text);
  color: white;
}

.footer-main {
  padding: 60px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.footer-brand img {
  height: 40px;
  margin-bottom: 16px;
}

.footer-brand p {
  color: rgba(255,255,255,0.6);
}

.footer-links h4,
.footer-contact h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links a {
  display: block;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  padding: 6px 0;
}

.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: 6px 0;
}

.footer-bottom {
  padding: 20px 0;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
}

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }
  
  .nav-phone {
    display: none;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-features {
    flex-direction: column;
    gap: 20px;
  }
  
  .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;
  }
  
  .product-full-card {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}