/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #0f1117;
  --color-surface: #1a1d27;
  --color-surface-hover: #232736;
  --color-border: #2a2e3d;
  --color-primary: #e53e3e;
  --color-primary-hover: #c53030;
  --color-text: #e4e4e7;
  --color-text-muted: #9ca3af;
  --color-accent-green: #34d399;
  --color-accent-orange: #fb923c;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-primary-hover);
}

/* Layout */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.site-logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.5px;
  text-decoration: none;
}

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

.site-nav {
  display: flex;
  gap: 24px;
}

.site-nav a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.site-nav a:hover {
  color: var(--color-text);
}

/* Hero */
.hero {
  text-align: center;
  padding: 100px 0 80px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero h1 span {
  color: var(--color-primary);
}

.hero p {
  color: var(--color-text-muted);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
}

.hero-cta {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

/* Sections */
.services,
.products,
.contact {
  padding: 80px 0;
}

.services {
  border-top: 1px solid var(--color-border);
}

.products {
  border-top: 1px solid var(--color-border);
}

.contact {
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.contact p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin-bottom: 24px;
}

section h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 40px;
  letter-spacing: -0.5px;
}

section h2 span {
  color: var(--color-primary);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s, border-color 0.2s;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
}

.service-icon {
  font-size: 2rem;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(229, 62, 62, 0.1);
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
}

.product-card.featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 20px rgba(229, 62, 62, 0.15);
}

.product-badge {
  display: inline-block;
  width: fit-content;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(52, 211, 153, 0.12);
  color: var(--color-accent-green);
}

.product-badge.upcoming {
  background: rgba(251, 146, 60, 0.12);
  color: var(--color-accent-orange);
}

.product-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.product-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  flex-grow: 1;
}

.card-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-link::after {
  content: '\2192';
  transition: transform 0.2s;
}

.product-card:hover .card-link::after {
  transform: translateX(4px);
}

/* Footer */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 640px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero {
    padding: 60px 0 50px;
  }

  .services-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }

  .site-nav {
    gap: 12px;
    font-size: 0.8rem;
  }

  .services,
  .products,
  .contact {
    padding: 50px 0;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
}