:root {
  --bg: #07131e;
  --bg-soft: #0d2132;
  --text: #e8f2f8;
  --muted: #9cb6c9;
  --line: #1f3a52;
  --accent: #4dd0e1;
  --accent-2: #4f8cff;
  --card: rgba(12, 35, 53, 0.7);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", sans-serif;
  background: radial-gradient(circle at 8% 10%, #153452 0%, var(--bg) 45%),
    linear-gradient(160deg, #07131e 0%, #061019 100%);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.bg-glow {
  position: fixed;
  z-index: -1;
  border-radius: 9999px;
  filter: blur(90px);
  opacity: 0.35;
}

.bg-glow-a {
  width: 360px;
  height: 360px;
  left: -60px;
  top: -80px;
  background: #2f8bfd;
}

.bg-glow-b {
  width: 300px;
  height: 300px;
  right: -40px;
  top: 28%;
  background: #2ec5b6;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(14px);
  background: rgba(7, 19, 30, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 20;
}

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

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
}

.main-nav {
  display: flex;
  gap: 1.4rem;
}

.main-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

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

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  width: 42px;
  height: 42px;
  padding: 9px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  margin: 6px 0;
}

.hero {
  padding: 92px 0 70px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.15;
}

.hero-desc {
  max-width: 780px;
  color: var(--muted);
  margin-top: 20px;
  font-size: 1.08rem;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.78rem 1.2rem;
  font-weight: 600;
  text-decoration: none;
  transition: 0.2s ease;
}

.btn-primary {
  color: #001727;
  background: linear-gradient(120deg, var(--accent), #79ffe7);
}

.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.btn-ghost:hover {
  border-color: #3e6382;
}

.section {
  padding: 48px 0;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3.2vw, 2.5rem);
  line-height: 1.2;
}

.grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

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

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

.card,
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.card h3,
.panel h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.card p,
.panel p {
  margin: 0;
  color: var(--muted);
}

.split {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.cta {
  margin: 56px auto 70px;
  text-align: center;
  padding: 42px 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(
    160deg,
    rgba(77, 208, 225, 0.08),
    rgba(79, 140, 255, 0.06)
  );
}

.cta h2 {
  margin: 0 0 20px;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 28px 0 34px;
  background: rgba(5, 12, 20, 0.85);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 20px;
  font-size: 0.94rem;
}

.footer-grid p {
  margin: 0;
  color: #c3d4df;
}

.email-address {
  font-family: "JetBrains Mono", monospace;
  font-feature-settings: "zero" 1;
  letter-spacing: 0.01em;
  color: #d9f5ff;
  text-decoration: none;
}

.email-address:hover {
  text-decoration: underline;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

@media (max-width: 900px) {
  .cards-3,
  .cards-2,
  .split,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    right: 1.25rem;
    width: min(240px, calc(100% - 2.5rem));
    background: #0c2132;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px;
    flex-direction: column;
    gap: 0;
  }

  .main-nav a {
    padding: 10px 8px;
  }

  .main-nav.is-open {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }
}

.nav-github {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.72rem;
  line-height: 1;
}

.nav-github:hover {
  border-color: #3e6382;
}

.team-copy {
  margin: 16px 0 0;
  max-width: 980px;
  color: var(--muted);
  font-size: 1.05rem;
}

.nav-github {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-github-icon {
  width: 0.95rem;
  height: 0.95rem;
  display: block;
}