:root {
  --bg: #020617;
  --bg-soft: #0f172a;
  --panel: rgba(15, 23, 42, 0.82);
  --panel-2: rgba(30, 41, 59, 0.7);
  --border: rgba(148, 163, 184, 0.18);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #34d399;
  --accent-2: #059669;
  --shadow: 0 30px 70px rgba(2, 6, 23, 0.42);
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, sans-serif;
  background:
    radial-gradient(circle at top, rgba(52, 211, 153, 0.16), transparent 30%),
    radial-gradient(circle at 82% 10%, rgba(5, 150, 105, 0.16), transparent 28%),
    linear-gradient(180deg, #020617 0%, #07111f 45%, #020617 100%);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
.button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.site-shell {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: rgba(2, 6, 23, 0.82);
  backdrop-filter: blur(14px);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-inner {
  min-height: 4.6rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.65rem;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand span {
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.nav-links,
.footer-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.nav-links a,
.footer-links a {
  color: rgba(226, 232, 240, 0.8);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-links a:hover,
.footer-links a:hover {
  color: #6ee7b7;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0 1.2rem;
  border-radius: 0.8rem;
  border: 1px solid transparent;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

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

.button-primary {
  background: var(--accent-2);
  color: #fff;
}

.button-primary:hover {
  background: #047857;
}

.button-secondary,
.button-ghost {
  border-color: rgba(110, 231, 183, 0.28);
  color: #6ee7b7;
}

.button-secondary:hover,
.button-ghost:hover {
  background: rgba(52, 211, 153, 0.12);
}

.hero {
  padding: 6.5rem 0 4rem;
}

.hero-grid,
.install-grid {
  display: grid;
  gap: 1.5rem;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.18fr) minmax(18rem, 0.82fr);
  align-items: start;
}

.hero-copy,
.hero-card,
.feature-card,
.info-card,
.use-card,
.callout-card,
.labs-callout {
  border: 1px solid var(--border);
  border-radius: 1.4rem;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 1rem 0 0;
  border: none;
  background: transparent;
  box-shadow: none;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  color: #6ee7b7;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  letter-spacing: -0.04em;
  line-height: 1.04;
  font-weight: 800;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  color: #fff;
}

.lead {
  max-width: 41rem;
  margin: 1.35rem 0 0;
  color: rgba(226, 232, 240, 0.8);
  font-size: 1.04rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.85rem;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 2.4rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid rgba(110, 231, 183, 0.18);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.7);
  color: #d1fae5;
  font-size: 0.8rem;
  font-weight: 600;
}

.hero-card,
.callout-card,
.labs-callout {
  padding: 1.45rem;
}

.hero-card__label {
  display: inline-block;
  margin-bottom: 0.85rem;
  color: #6ee7b7;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-card h2,
.callout-card h2,
.labs-callout h2,
.use-card h3,
.info-card h3,
.feature-card h3 {
  margin: 0;
  line-height: 1.15;
  color: #fff;
}

.hero-card p,
.callout-card p,
.labs-callout p,
.use-card p,
.info-card p,
.feature-card p {
  margin: 0.9rem 0 0;
  color: var(--muted);
  line-height: 1.74;
}

.hero-card ul,
.feature-card ul {
  margin: 1rem 0 0;
  padding-left: 1.15rem;
  color: rgba(226, 232, 240, 0.85);
  line-height: 1.72;
}

.section {
  padding: 4.5rem 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.72fr);
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.section-heading h2 {
  font-size: clamp(1.85rem, 3vw, 2.5rem);
}

.section-heading p {
  margin: 0;
  color: rgba(226, 232, 240, 0.76);
  line-height: 1.8;
}

.card-grid,
.people-grid,
.use-grid {
  display: grid;
  gap: 1rem;
}

.card-grid,
.people-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.use-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.feature-card,
.info-card,
.use-card {
  padding: 1.35rem;
}

.feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  min-height: 2.5rem;
  margin-bottom: 1rem;
  border-radius: 0.75rem;
  background: rgba(52, 211, 153, 0.12);
  color: #6ee7b7;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.feature-card ul {
  margin: 0.95rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.7;
}

.info-card {
  background: rgba(15, 23, 42, 0.66);
}

.info-card p,
.use-card p {
  font-size: 0.95rem;
}

.use-card {
  background: rgba(15, 23, 42, 0.72);
}

.install-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.callout-card {
  background: rgba(15, 23, 42, 0.7);
}

.labs-callout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.25rem;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(2, 6, 23, 0.96)),
    rgba(15, 23, 42, 0.76);
}

.site-footer {
  padding: 2rem 0 2.75rem;
  border-top: 1px solid var(--border);
  background: rgba(2, 6, 23, 0.92);
}

.site-footer p {
  margin: 0;
  color: rgba(226, 232, 240, 0.72);
  line-height: 1.7;
}

@media (max-width: 980px) {
  .hero-grid,
  .section-heading,
  .install-grid,
  .labs-callout {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .people-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .use-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .header-inner,
  .footer-inner {
    flex-wrap: wrap;
    padding: 0.9rem 0;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 0.75rem;
  }

  .hero {
    padding: 5.5rem 0 3.25rem;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.2rem, 11vw, 3.1rem);
  }

  .card-grid,
  .people-grid,
  .use-grid,
  .install-grid {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .info-card,
  .use-card,
  .callout-card,
  .labs-callout,
  .hero-card {
    padding: 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}