/* ============================================================
   GeoEq landing — palette and reset
   ============================================================ */
:root {
  --navy-950: #08111f;
  --navy-900: #0c1a3a;
  --navy-800: #122450;
  --navy-700: #1a3570;
  --blue-600: #1e4d8f;
  --blue-500: #2563a8;
  --blue-400: #3b82c4;
  --blue-300: #6ba3d6;
  --blue-100: #dbeaf7;
  --blue-50:  #f0f6fc;
  --gold:     #e8a825;
  --green:    #34c759;
  --white:    #ffffff;
  --gray-100: #eef1f5;
  --gray-200: #d8dde6;
  --gray-300: #b0b8c8;
  --gray-400: #8892a4;
  --gray-500: #5f6b7a;
  --gray-700: #2a3240;
  --gray-800: #1a2030;
  --bg:       #ffffff;
  --fg:       #0c1a3a;
  --max:      1240px;
  --pad:      clamp(16px, 4vw, 32px);
  --font-sans: 'DM Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
*::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--fg);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { color: var(--blue-500); }

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  padding: 14px var(--pad);
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(12,26,58,0.06);
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; color: var(--fg);
  font-size: 1.15rem;
}
.nav-brand img { width: 36px; height: 36px; }
.nav-links {
  list-style: none; margin: 0; padding: 0;
  display: flex; align-items: center; gap: 28px;
}
.nav-links a {
  color: var(--gray-700);
  font-size: 0.92rem; font-weight: 500;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--blue-600); }
.btn-nav {
  background: var(--navy-900); color: var(--white) !important;
  padding: 8px 16px; border-radius: 8px; font-weight: 600;
  transition: background 0.15s, transform 0.15s;
}
.btn-nav:hover { background: var(--blue-600); transform: translateY(-1px); }

.nav-toggle {
  display: none; background: none; border: 0; padding: 6px;
  cursor: pointer;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--gray-700); margin: 5px 0;
  border-radius: 2px;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  background:
    radial-gradient(60% 50% at 80% 0%, rgba(30,77,143,0.10), transparent 60%),
    radial-gradient(40% 35% at 5% 100%, rgba(232,168,37,0.08), transparent 70%),
    linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
  padding: clamp(40px, 8vh, 96px) var(--pad) clamp(32px, 5vh, 64px);
  overflow: hidden;
}
.hero-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.hero-text { max-width: 620px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem; color: var(--blue-600);
  background: var(--blue-50);
  border: 1px solid rgba(30,77,143,0.18);
  padding: 6px 12px; border-radius: 999px;
  font-weight: 500; margin-bottom: 22px;
}
.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(52,199,89,0.15);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(52,199,89,0.15); }
  50%      { box-shadow: 0 0 0 8px rgba(52,199,89,0.02); }
}

h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 18px;
  color: var(--navy-900);
}
h1 .grad {
  display: block;
  background: linear-gradient(110deg, var(--blue-600) 0%, var(--blue-400) 55%, var(--gold) 110%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  font-size: clamp(1.02rem, 1.4vw, 1.18rem);
  color: var(--gray-500);
  margin: 0 0 28px;
  max-width: 56ch;
}

.hero-actions {
  display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 26px;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 10px;
  font-weight: 600; font-size: 0.95rem;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary {
  background: var(--navy-900); color: var(--white) !important;
  box-shadow: 0 6px 18px rgba(12,26,58,0.20);
}
.btn-primary:hover { background: var(--blue-600); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(30,77,143,0.30); }
.btn-ghost {
  background: transparent; color: var(--navy-900) !important;
  border-color: rgba(12,26,58,0.18);
}
.btn-ghost:hover { background: rgba(12,26,58,0.04); border-color: rgba(12,26,58,0.4); }

.install-card {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 18px;
  background: var(--navy-900); color: var(--white);
  border-radius: 10px;
  font-family: var(--font-mono); font-size: 0.92rem;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
.install-card:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(12,26,58,0.18); }
.install-card .prompt { color: var(--gold); user-select: none; }
.install-card .cmd { letter-spacing: -0.01em; }
.install-card .copy-hint {
  font-family: var(--font-sans); font-size: 0.72rem;
  padding: 3px 8px; border-radius: 999px;
  background: rgba(255,255,255,0.10); color: var(--gray-300);
}

/* ---- 3D canvas ---- */
.hero-canvas {
  position: relative;
  width: 100%;
  height: clamp(360px, 50vh, 540px);
  border-radius: 18px;
  overflow: hidden;
  background:
    radial-gradient(60% 60% at 50% 35%, rgba(30,77,143,0.18), transparent 70%),
    linear-gradient(160deg, #0c1a3a 0%, #122450 100%);
  box-shadow:
    0 30px 60px -20px rgba(12,26,58,0.45),
    inset 0 1px 0 rgba(255,255,255,0.06);
}
.hero-canvas canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
  cursor: grab;
}
.hero-canvas canvas:active { cursor: grabbing; }
.canvas-caption {
  position: absolute;
  bottom: 14px; left: 16px;
  font-size: 0.78rem; color: rgba(255,255,255,0.55);
  font-family: var(--font-mono);
  pointer-events: none;
}
.canvas-fallback {
  color: var(--gray-300);
  text-align: center;
  padding: 40px;
}

/* ---- Marquee row ---- */
.hero-marquee {
  max-width: var(--max);
  margin: clamp(40px, 6vh, 64px) auto 0;
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px;
  font-size: 0.85rem;
  color: var(--gray-500);
  border-top: 1px dashed rgba(12,26,58,0.10);
  padding-top: 22px;
}
.hero-marquee .marquee-label {
  font-weight: 600; color: var(--navy-900);
}
.hero-marquee .dot-sep { color: var(--gray-300); }

/* ============================================================
   Sections
   ============================================================ */
.section { padding: clamp(56px, 10vh, 110px) var(--pad); }
.section-inner { max-width: var(--max); margin: 0 auto; }
.section-dark {
  background: var(--navy-950);
  color: var(--gray-100);
}
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark .muted { color: rgba(255,255,255,0.62); }

.kicker {
  display: inline-block;
  color: var(--blue-600);
  font-weight: 600; font-size: 0.78rem;
  letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 14px;
}
.section-dark .kicker { color: var(--gold); }

h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  line-height: 1.15; margin: 0 0 16px;
  letter-spacing: -0.01em; font-weight: 700;
}
h3 {
  font-size: 1.05rem; margin: 0 0 6px;
  font-weight: 600;
}
.muted {
  color: var(--gray-500);
  font-size: 1.02rem; max-width: 68ch;
}

/* ---- Quick start grid ---- */
.qs-grid {
  display: grid; grid-template-columns: 1fr 1.05fr;
  gap: clamp(28px, 4vw, 52px); align-items: center;
}
.qs-points {
  list-style: none; padding: 0; margin: 20px 0 0;
  display: grid; gap: 12px; max-width: 50ch;
}
.qs-points li {
  position: relative; padding-left: 22px;
  color: var(--gray-700); font-size: 0.95rem;
}
.qs-points li::before {
  content: ''; position: absolute;
  left: 0; top: 9px; width: 8px; height: 8px;
  background: var(--blue-400);
  border-radius: 2px;
  transform: rotate(45deg);
}

.code-card {
  border-radius: 14px;
  background: #0c1a3a;
  overflow: hidden;
  box-shadow:
    0 28px 56px -20px rgba(12,26,58,0.55),
    inset 0 1px 0 rgba(255,255,255,0.06);
}
.code-head {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.code-head .dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.code-head .dot.r { background: #ff5f57; }
.code-head .dot.y { background: #febc2e; }
.code-head .dot.g { background: #28c840; }
.code-head .filename {
  margin-left: 8px; font-family: var(--font-mono);
  font-size: 0.78rem; color: rgba(255,255,255,0.5);
}
pre.code {
  margin: 0; padding: 20px 22px;
  font-family: var(--font-mono);
  font-size: 0.83rem; line-height: 1.7;
  color: #dcdcdc;
  white-space: pre;
  overflow-x: auto;
}
.code .kw  { color: #569cd6; }
.code .fn  { color: #dcdcaa; }
.code .s   { color: #ce9178; }
.code .n   { color: #b5cea8; }
.code .cm  { color: #6a9955; font-style: italic; }
.code .v   { color: #9cdcfe; }

/* ============================================================
   Capabilities grid
   ============================================================ */
.cap-grid {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.cap-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 22px 20px;
  border-radius: 14px;
  transition: transform 0.18s, background 0.18s, border-color 0.18s;
}
.cap-card:hover {
  transform: translateY(-3px);
  background: rgba(255,255,255,0.07);
  border-color: rgba(232,168,37,0.35);
}
.cap-card.highlight {
  background: linear-gradient(155deg, rgba(30,77,143,0.40), rgba(232,168,37,0.15));
  border-color: rgba(232,168,37,0.40);
}
.cap-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--gold);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.cap-card h3 { color: var(--white); }
.cap-card p {
  margin: 6px 0 0; font-size: 0.9rem;
  color: rgba(255,255,255,0.65); line-height: 1.55;
}

/* ============================================================
   CTA strip + footer
   ============================================================ */
.cta {
  background: linear-gradient(180deg, #f7faff 0%, #ffffff 100%);
  border-top: 1px solid rgba(12,26,58,0.06);
}
.cta-inner {
  display: flex; flex-wrap: wrap; gap: 24px;
  align-items: center; justify-content: space-between;
}
.cta-actions {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
}
.install-code {
  font-family: var(--font-mono); font-size: 0.95rem;
  padding: 12px 18px; background: var(--navy-900); color: var(--white);
  border-radius: 10px;
}

.footer {
  background: var(--navy-950); color: rgba(255,255,255,0.65);
  padding: 48px var(--pad);
}
.footer-inner {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1.3fr 1fr 1fr;
  gap: 28px; align-items: center;
}
.footer-brand {
  display: flex; align-items: center; gap: 14px;
}
.footer-name { color: var(--white); font-weight: 700; font-size: 1.1rem; }
.footer-tag { font-size: 0.88rem; color: rgba(255,255,255,0.55); }
.footer-links {
  display: flex; flex-wrap: wrap; gap: 18px;
  font-size: 0.9rem;
}
.footer-links a { color: rgba(255,255,255,0.7); }
.footer-links a:hover { color: var(--gold); }
.footer-copy {
  font-size: 0.82rem; text-align: right;
  color: rgba(255,255,255,0.45);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 920px) {
  .nav-links {
    display: none;
    position: absolute; top: 64px; right: 16px; left: 16px;
    flex-direction: column; gap: 14px;
    background: var(--white); padding: 18px;
    border-radius: 12px;
    box-shadow: 0 18px 40px rgba(12,26,58,0.18);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: inline-block; }
  .hero-grid { grid-template-columns: 1fr; }
  .qs-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-brand, .footer-links { justify-content: center; }
  .footer-copy { text-align: center; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}