:root {
  --bg: #0b0d10;
  --bg-soft: #12151a;
  --card: #171b21;
  --text: #f5f7fa;
  --muted: #aab2bf;
  --border: #2a3038;
  --accent: #ffffff;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
}

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 13, 16, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.hero {
  padding: 120px 0 110px;
  border-bottom: 1px solid var(--border);
}

.hero-content {
  max-width: 860px;
}

.eyebrow,
.section-label {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 8vw, 6.8rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 16px;
  font-size: 1.8rem;
  letter-spacing: -0.025em;
}

.hero-copy {
  max-width: 700px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: 1.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  transition:
    transform 0.18s ease,
    background 0.18s ease,
    border-color 0.18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--accent);
  color: #0b0d10;
}

.button.secondary {
  border: 1px solid var(--border);
  background: transparent;
}

.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border);
}

.section-alt {
  background: var(--bg-soft);
}

.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.section-copy {
  color: var(--muted);
  font-size: 1.08rem;
}

.product-card {
  margin-top: 40px;
  padding: 36px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--card);
}

.product-card p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.product-badge {
  display: inline-block;
  margin-bottom: 20px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
}

.contact-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: end;
}

.contact-card p {
  max-width: 620px;
  color: var(--muted);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-links a {
  color: var(--text);
  text-decoration: none;
  word-break: break-word;
}

.contact-links a:hover {
  text-decoration: underline;
}

.site-footer {
  padding: 32px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-content p {
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text);
}

@media (max-width: 760px) {
  .nav {
    min-height: 64px;
  }

  .nav-links {
    gap: 16px;
  }

  .hero {
    padding: 84px 0 72px;
  }

  .section {
    padding: 72px 0;
  }

  .section-grid,
  .contact-card {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .nav-links {
    display: none;
  }

  h1 {
    font-size: 3.2rem;
  }

  .product-card {
    padding: 26px;
  }

  .footer-links {
    flex-direction: column;
    gap: 8px;
  }
}