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

:root {
  --bg: #1a1a1a;
  --text: #d4d4d4;
  --heading: #f0f0f0;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --subtle: #888888;
  --border: #222222;
  --card-bg: #222222;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero {
  padding: 120px 0 80px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 600;
  color: var(--heading);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.tagline {
  font-size: 1.25rem;
  color: var(--subtle);
  margin-top: 12px;
}

/* Sections */
section {
  padding: 80px 0;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 20px;
}

/* Product Card */
.product-grid {
  display: grid;
  gap: 20px;
}

.product-card {
  display: block;
  text-decoration: none;
  color: var(--text);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  transition: border-color 0.2s ease;
}

.product-card:hover {
  border-color: var(--accent);
}

.product-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.product-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--heading);
}

.badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 9999px;
  padding: 2px 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-card p {
  color: var(--subtle);
  font-size: 0.95rem;
}

/* Contact */
.contact a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Footer */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

footer p {
  font-size: 0.875rem;
  color: var(--subtle);
}

/* Responsive */
@media (max-width: 600px) {
  .hero {
    padding: 80px 0 60px;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .tagline {
    font-size: 1.1rem;
  }

  section {
    padding: 60px 0;
  }

  h2 {
    font-size: 1.25rem;
  }
}