:root {
  --bg: #050807;
  --bg-elevated: rgba(255, 255, 255, 0.03);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f4f7f5;
  --muted: rgba(244, 247, 245, 0.62);
  --accent: #34d399;
  --accent-2: #60a5fa;
  --radius: 20px;
  --font: "Instrument Sans", system-ui, sans-serif;
  --display: "Syne", system-ui, sans-serif;
}

*,
*::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);
  overflow-x: hidden;
}

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

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  padding: 0.15em 0.45em;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
}

.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(52, 211, 153, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(96, 165, 250, 0.14), transparent 50%),
    radial-gradient(ellipse 50% 50% at 50% 100%, rgba(167, 139, 250, 0.1), transparent 55%);
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.35;
  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: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black, transparent);
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1.25rem, 4vw, 3rem);
  backdrop-filter: blur(16px);
  background: rgba(5, 8, 7, 0.72);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-mark {
  color: var(--accent);
  font-size: 1.1rem;
}

.nav {
  display: none;
  gap: 1.75rem;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s, background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

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

.btn-primary {
  background: linear-gradient(135deg, #34d399, #10b981);
  color: #04110c;
  box-shadow: 0 8px 32px rgba(52, 211, 153, 0.25);
}

.btn-outline {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--muted);
}

.btn-sm {
  padding: 0.65rem 1.1rem;
  font-size: 0.88rem;
}

.header-menu {
  position: relative;
}

.menu-trigger {
  cursor: pointer;
  font: inherit;
}

.menu-chevron {
  font-size: 0.75rem;
  opacity: 0.7;
  transition: transform 0.2s;
}

.header-menu.open .menu-chevron {
  transform: rotate(180deg);
}

.menu-panel {
  position: absolute;
  top: calc(100% + 0.55rem);
  right: 0;
  min-width: 240px;
  padding: 0.45rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(8, 12, 10, 0.96);
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  z-index: 200;
}

.menu-panel[hidden] {
  display: none;
}

.menu-item {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  transition: background 0.15s;
}

.menu-item:hover {
  background: rgba(255, 255, 255, 0.06);
}

.menu-item-title {
  display: block;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.menu-item-desc {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
}

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(4rem, 12vw, 8rem) clamp(1.25rem, 4vw, 3rem) 4rem;
}

.hero-badge {
  display: inline-block;
  margin-bottom: 1.5rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0 0 1.5rem;
  font-family: var(--display);
  font-size: clamp(2.4rem, 7vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  font-weight: 800;
}

.hero-title .line {
  display: block;
}

.hero-title .accent {
  background: linear-gradient(135deg, #34d399 0%, #60a5fa 50%, #a78bfa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  max-width: 640px;
  margin: 0 0 2rem;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  max-width: 720px;
}

.stat {
  padding: 1.25rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.stat strong {
  display: block;
  font-family: var(--display);
  font-size: 1.8rem;
  margin-bottom: 0.25rem;
}

.stat span {
  color: var(--muted);
  font-size: 0.88rem;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1rem clamp(1.25rem, 4vw, 3rem) 5rem;
}

.section-dark {
  max-width: none;
  padding-left: clamp(1.25rem, 4vw, 3rem);
  padding-right: clamp(1.25rem, 4vw, 3rem);
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.02) 30%, transparent);
}

.section-head {
  max-width: 720px;
  margin-bottom: 2.5rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-head h2 {
  margin: 0 0 0.75rem;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
}

.section-desc {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.module-card {
  --accent: #34d399;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.6rem;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--border);
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015)),
    rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(12px);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.module-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.module-tag {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
}

.module-card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.65rem;
}

.module-author {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.module-text {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
  font-size: 0.96rem;
}

.module-features {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.module-features li {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: rgba(244, 247, 245, 0.78);
}

.module-links {
  margin-top: auto;
  padding-top: 0.5rem;
}

.api-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 1.5rem;
  padding: 1.75rem 2rem;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid rgba(96, 165, 250, 0.25);
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.08), rgba(52, 211, 153, 0.06));
}

.api-strip h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
}

.api-strip p {
  margin: 0;
  color: var(--muted);
}

.api-links {
  display: flex;
  gap: 0.65rem;
  flex-shrink: 0;
}

.download-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.download-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
}

.download-card:hover {
  transform: translateY(-3px);
  border-color: rgba(52, 211, 153, 0.35);
  background: rgba(52, 211, 153, 0.06);
}

.download-icon {
  font-size: 2rem;
}

.download-card h3 {
  margin: 0 0 0.25rem;
  font-family: var(--display);
}

.download-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.download-meta {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.8rem;
  color: rgba(244, 247, 245, 0.45);
}

.download-arrow {
  font-size: 1.5rem;
  color: var(--accent);
}

.compat-note {
  max-width: 1120px;
  margin: 1.5rem auto 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.team-card {
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.team-card span {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.team-card small {
  color: var(--muted);
}

.footer {
  padding: 2.5rem clamp(1.25rem, 4vw, 3rem) 3rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer p {
  margin: 0.35rem 0;
}

.footer-links a {
  color: rgba(244, 247, 245, 0.72);
}

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

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }

  .header-cta {
    display: inline-flex;
  }
}

@media (max-width: 900px) {
  .module-grid,
  .download-grid {
    grid-template-columns: 1fr;
  }

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

  .api-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .header-cta {
    display: none;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }
}