/* ============================================
   RINA TECHNOLOGY CO.,LTD - Corporate Website
   Automotive Decorative Lighting | Clean & Elegant
   ============================================ */

:root {
  --color-bg: #0a0e14;
  --color-bg-alt: #11161e;
  --color-bg-card: #161b25;
  --color-bg-card-hover: #1c2230;
  --color-text: #e8e8e8;
  --color-text-muted: #8890a0;
  --color-text-dim: #5a6070;
  --color-accent: #d4a853;
  --color-accent-hover: #e0bc68;
  --color-accent-dim: rgba(212, 168, 83, 0.12);
  --color-accent-glow: rgba(212, 168, 83, 0.25);
  --color-border: #1e2530;
  --color-border-light: #2a3340;
  --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --max-width: 1200px;
  --header-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

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

h1, h2, h3, h4 { font-weight: 600; line-height: 1.3; }
h1 { font-size: clamp(2.2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title { margin-bottom: 16px; color: #fff; }

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: #0a0e14;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--color-accent-glow);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid var(--color-border-light);
}
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* Header */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(10, 14, 20, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

.header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }

.logo { display: flex; align-items: center; gap: 10px; font-size: 1.2rem; font-weight: 700; color: #fff; letter-spacing: 0.02em; }

.logo-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-accent), #b8912e);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: #0a0e14;
}

.nav-list { display: flex; align-items: center; gap: 36px; }

.nav-link {
  font-size: 0.9rem; font-weight: 500;
  color: var(--color-text-muted);
  position: relative; padding: 4px 0;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: all var(--transition); }

/* Page Hero */
.page-hero {
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -60%; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, var(--color-accent-dim), transparent 70%);
  pointer-events: none;
}

.page-hero h1 { margin-bottom: 16px; position: relative; }
.page-hero p { color: var(--color-text-muted); font-size: 1.1rem; position: relative; }

/* Section */
.section { padding: 100px 0; }
.section-dark { background: var(--color-bg-alt); }

.section-header { text-align: center; margin-bottom: 60px; }
.section-header .section-desc { margin: 0 auto; }

/* ============= HOME ============= */

.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg::before {
  content: '';
  position: absolute; inset: 0;
  background: url('../images/product-hero-bg.jpg') center/cover no-repeat;
  opacity: 0.12;
  z-index: -1;
}
.hero-bg-glow { position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.4; }
.hero-bg-glow.g1 { width: 600px; height: 600px; background: var(--color-accent-dim); top: -200px; right: -100px; }
.hero-bg-glow.g2 { width: 400px; height: 400px; background: rgba(212, 168, 83, 0.06); bottom: -100px; left: -100px; }

.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(212, 168, 83, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 168, 83, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero .container {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}

.hero-content { max-width: 540px; }

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--color-accent-dim);
  border: 1px solid rgba(212, 168, 83, 0.25);
  border-radius: 50px;
  font-size: 0.8rem; font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

.hero-title {
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  font-weight: 700; line-height: 1.15;
  margin-bottom: 20px; color: #fff;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-accent), #e8c876);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

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

.hero-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  width: 100%; max-width: 420px;
  position: relative; overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--color-accent), #e8c876);
}

.hero-card-icon {
  width: 64px; height: 64px;
  border-radius: var(--radius-md);
  background: var(--color-accent-dim);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; font-size: 1.6rem;
}

.hero-card h3 { color: #fff; margin-bottom: 8px; }
.hero-card p { color: var(--color-text-muted); font-size: 0.95rem; line-height: 1.7; }

.hero-stats {
  display: flex; gap: 32px;
  margin-top: 28px; padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.hero-stat { text-align: center; }
.hero-stat-number { font-size: 1.6rem; font-weight: 700; color: var(--color-accent); }
.hero-stat-label { font-size: 0.78rem; color: var(--color-text-muted); margin-top: 2px; }

/* Stats Bar */
.stats-bar { padding: 0; margin-top: -50px; position: relative; z-index: 10; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px; text-align: center;
  transition: all var(--transition);
}
.stat-card:hover { border-color: var(--color-accent); transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }

.stat-icon { font-size: 2rem; margin-bottom: 12px; }
.stat-number { font-size: 2rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.stat-label { font-size: 0.85rem; color: var(--color-text-muted); }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
}
.feature-card:hover { border-color: var(--color-accent); background: var(--color-bg-card-hover); transform: translateY(-2px); }

.feature-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-accent-dim);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 20px;
}

.feature-card h3 { color: #fff; margin-bottom: 10px; font-size: 1.1rem; }
.feature-card p { color: var(--color-text-muted); font-size: 0.9rem; line-height: 1.7; }

/* CTA */
.cta {
  text-align: center; padding: 100px 0;
  position: relative; overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--color-accent-dim), transparent 70%);
  pointer-events: none;
}
.cta h2 { margin-bottom: 16px; position: relative; }
.cta p { color: var(--color-text-muted); margin-bottom: 32px; position: relative; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; }

/* ============= ABOUT ============= */

.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.about-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
}

.about-image-placeholder { text-align: center; color: var(--color-text-dim); }
.about-image-placeholder svg { width: 80px; height: 80px; margin-bottom: 12px; opacity: 0.4; }
.about-image-placeholder span { display: block; font-size: 0.85rem; }

.about-text h3 { font-size: 1.4rem; color: #fff; margin-bottom: 16px; }
.about-text p { color: var(--color-text-muted); margin-bottom: 16px; line-height: 1.8; }

/* Timeline */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: '';
  position: absolute; left: 0; top: 8px; bottom: 8px;
  width: 2px; background: var(--color-border);
}
.timeline-item { position: relative; padding-bottom: 36px; }
.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute; left: -37px; top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
}
.timeline-year { font-size: 0.8rem; font-weight: 700; color: var(--color-accent); letter-spacing: 0.1em; margin-bottom: 4px; }
.timeline-title { color: #fff; font-weight: 600; margin-bottom: 4px; }
.timeline-desc { color: var(--color-text-muted); font-size: 0.9rem; }

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

.value-card {
  text-align: center; padding: 32px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.value-card:hover { border-color: var(--color-accent); transform: translateY(-3px); }
.value-icon { font-size: 2.2rem; margin-bottom: 16px; }
.value-card h3 { color: #fff; margin-bottom: 8px; font-size: 1rem; }
.value-card p { color: var(--color-text-muted); font-size: 0.85rem; line-height: 1.6; }

/* ============= PRODUCTS ============= */

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

.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.product-card:hover { border-color: var(--color-accent); transform: translateY(-4px); box-shadow: var(--shadow-lg); }

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

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block !important;
}
.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute; top: 12px; right: 12px;
  padding: 4px 12px;
  background: var(--color-accent);
  color: #0a0e14;
  font-size: 0.72rem; font-weight: 700;
  border-radius: 50px;
}

.product-info { padding: 24px; }
.product-info h3 { color: #fff; margin-bottom: 8px; font-size: 1.1rem; }
.product-info p { color: var(--color-text-muted); font-size: 0.88rem; line-height: 1.6; margin-bottom: 16px; }

.product-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.product-tag {
  padding: 4px 12px;
  background: var(--color-accent-dim);
  border-radius: 50px;
  font-size: 0.72rem;
  color: var(--color-accent);
}

/* ============= CONTACT ============= */

.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info-grid { display: grid; gap: 20px; }

.contact-info-card {
  display: flex; gap: 16px;
  padding: 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.contact-info-card:hover { border-color: var(--color-accent); }

.contact-info-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--color-accent-dim);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.contact-info-text h3 { font-size: 0.95rem; color: #fff; margin-bottom: 4px; }
.contact-info-text p { color: var(--color-text-muted); font-size: 0.88rem; line-height: 1.6; }

/* Contact Form */
.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px;
}
.contact-form h3 { color: #fff; margin-bottom: 24px; font-size: 1.3rem; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--color-text-muted); margin-bottom: 8px; }

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 12px 16px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: #fff; font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: all var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}
.form-group textarea { min-height: 120px; resize: vertical; }

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238890a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ============= FOOTER ============= */

.footer { background: var(--color-bg-alt); border-top: 1px solid var(--color-border); padding: 60px 0 30px; }

.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand p { color: var(--color-text-muted); font-size: 0.9rem; line-height: 1.7; margin-top: 16px; }
.footer-col h4 { color: #fff; margin-bottom: 20px; font-size: 0.95rem; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: var(--color-text-muted); font-size: 0.88rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--color-accent); }

.footer-bottom {
  margin-top: 40px; padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-bottom p { color: var(--color-text-dim); font-size: 0.82rem; }

/* ============= UTILITIES ============= */

.fade-in { opacity: 0; transform: translateY(24px); 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; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-visual { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .about-intro { grid-template-columns: 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .header { height: 64px; }
  .nav-list {
    position: fixed; top: 64px; left: 0; right: 0;
    background: rgba(10,14,20,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column; padding: 24px; gap: 20px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%); opacity: 0; pointer-events: none;
    transition: all var(--transition);
  }
  .nav-list.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-toggle { display: flex; }
  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .page-hero { padding: 120px 0 60px; }
  .section { padding: 60px 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* Case Study Section */
.case-study-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.case-study-image {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
  background: var(--color-bg-card);
}
.case-study-image img {
  width: 100%;
  height: auto;
  display: block;
}

.case-study-info h2 {
  color: #fff;
  margin-bottom: 16px;
}
.case-study-info .subtitle {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 16px;
  display: block;
}
.case-study-info p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.case-study-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}
.case-study-spec {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}
.case-study-spec-label {
  color: var(--color-text-dim);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.case-study-spec-value {
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
}

.case-study-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.video-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  margin-bottom: 24px;
}
.video-container video {
  width: 100%;
  display: block;
}

.install-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.install-preview a {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  display: block;
  transition: transform var(--transition), border-color var(--transition);
}
.install-preview a:hover {
  transform: translateY(-2px);
  border-color: var(--color-accent);
}
.install-preview img {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 1024px) {
  .case-study-grid { grid-template-columns: 1fr; }
  .case-study-image { order: -1; }
}

@media (max-width: 480px) {
  .case-study-specs { grid-template-columns: 1fr; }
  .install-preview { grid-template-columns: 1fr; }
  .case-study-actions .btn { width: 100%; justify-content: center; }
}

/* Brand Coverage Section */
.brand-coverage-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
  align-items: center;
}

.brand-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.brand-tag {
  padding: 6px 14px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  transition: all var(--transition);
}
.brand-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

.catalog-qr {
  text-align: center;
}
.catalog-qr img {
  width: 160px;
  height: 160px;
  margin: 0 auto 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: #fff;
  padding: 8px;
}
.catalog-qr p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}
.catalog-qr p strong {
  display: block;
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

@media (max-width: 768px) {
  .brand-coverage-card {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .stats-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .contact-form { padding: 24px; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; justify-content: center; }
}