:root {
  --bg: #0b0d10;
  --bg-elevated: #12161c;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8edf4;
  --muted: #8b97a8;
  --accent: #3dd6c6;
  --accent-dim: rgba(61, 214, 198, 0.14);
  --warm: #e8b86d;
  --radius: 14px;
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent);
  z-index: 0;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: inherit;
  text-decoration: none;
  font-weight: 600;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
}

nav {
  display: flex;
  gap: 1.25rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

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

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1rem 1.5rem 4rem;
}

.hero {
  padding: 3.5rem 0 4rem;
  max-width: 42rem;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}

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

.btn.primary {
  background: var(--accent);
  color: #06201c;
}

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

.btn.ghost:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.section-head {
  margin-bottom: 1.5rem;
}

.section-head h2 {
  margin: 0 0 0.4rem;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.products,
.about,
.contact {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--border);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.card {
  padding: 1.25rem;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 200px;
}

.card.muted {
  opacity: 0.92;
}

.card-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--warm);
}

.card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  flex: 1;
}

.card-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
}

.card-link:hover {
  text-decoration: underline;
}

.about p {
  max-width: 40rem;
  color: var(--muted);
}

.about .note {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(61, 214, 198, 0.2);
  color: var(--text);
  font-size: 0.95rem;
}

.site-footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

.mono {
  font-family: var(--mono);
}

@media (max-width: 640px) {
  nav {
    gap: 0.85rem;
  }

  .hero {
    padding-top: 2rem;
  }
}