:root { --bg: #0b0f17; --ice: #38bdf8; --ice-soft: #7dd3fc; --text: #e6edf6; --muted: #94a3b8; --glass: rgb(255 255 255 / 0.045); --edge: rgb(255 255 255 / 0.1); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: dark; }
body { margin: 0; min-height: 100vh; color: var(--text); font-family: Manrope, system-ui, sans-serif; background: var(--bg); overflow-x: hidden; }
a:focus-visible { outline: 2px solid var(--ice); outline-offset: 3px; }
.hero { position: relative; min-height: 100vh; display: grid; align-items: end; padding: clamp(1.5rem, 4vw, 3rem);
  background: radial-gradient(1100px 560px at 82% -8%, rgb(56 189 248 / 0.16), transparent 60%), radial-gradient(900px 520px at -8% 108%, rgb(99 102 241 / 0.12), transparent 60%), var(--bg); }
.hero::before { content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgb(255 255 255 / 0.035) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / 0.035) 1px, transparent 1px);
  background-size: 56px 56px; mask-image: radial-gradient(ellipse at 30% 40%, black 10%, transparent 70%); animation: gridDrift 28s linear infinite; pointer-events: none; }
@keyframes gridDrift { from { transform: translate3d(0, 0, 0); } to { transform: translate3d(-56px, -28px, 0); } }
@keyframes riseIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
.hero-inner { position: relative; z-index: 1; max-width: 1100px; width: 100%; margin: 0 auto; padding-bottom: clamp(2rem, 8vh, 5rem); }
.brand { font-family: Sora, Manrope, sans-serif; font-weight: 800; font-size: clamp(3.2rem, 10vw, 6.5rem); letter-spacing: -0.05em; line-height: 0.92; margin: 0; animation: riseIn 700ms ease both; }
.brand span { color: var(--ice); text-shadow: 0 0 28px rgb(56 189 248 / 0.65); }
.tagline { margin: 1.25rem 0 0; max-width: 28rem; font-size: clamp(1.05rem, 2.2vw, 1.25rem); line-height: 1.55; color: rgb(226 232 240 / 0.82); animation: riseIn 800ms 120ms ease both; }
.cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; animation: riseIn 850ms 220ms ease both; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 2.75rem; padding: 0.8rem 1.35rem; border-radius: 0.75rem; text-decoration: none; font-weight: 700; font-size: 0.95rem; transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--ice); color: #04121c; box-shadow: 0 0 0 1px rgb(56 189 248 / 0.4), 0 0 30px rgb(56 189 248 / 0.3); }
.btn-primary:hover { background: var(--ice-soft); }
.btn-primary:active { transform: translateY(0) scale(0.98); }
.btn-ghost { background: var(--glass); color: var(--text); border: 1px solid var(--edge); backdrop-filter: blur(14px); }
.btn-ghost:hover { background: rgb(255 255 255 / 0.09); }
.demos { padding: clamp(2.5rem, 6vw, 4rem) clamp(1.25rem, 4vw, 3rem); border-top: 1px solid rgb(255 255 255 / 0.06); }
.demos-inner { max-width: 960px; margin: 0 auto; }
.demos h2 { font-family: Sora, Manrope, sans-serif; font-size: clamp(1.4rem, 3vw, 1.85rem); letter-spacing: -0.03em; margin: 0 0 0.4rem; }
.demos > .demos-inner > p { color: var(--muted); margin: 0 0 1.5rem; max-width: 36rem; }
.demo-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.demo-card { display: flex; flex-direction: column; gap: 0.85rem; padding: 1.35rem 1.4rem; border-radius: 1rem; text-decoration: none; color: var(--text); border: 1px solid var(--edge); background: var(--glass);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.06), 0 12px 40px -12px rgb(0 0 0 / 0.6); backdrop-filter: blur(18px) saturate(140%); transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease; }
.demo-card:hover { transform: translateY(-3px); border-color: rgb(56 189 248 / 0.45); box-shadow: 0 0 0 1px rgb(56 189 248 / 0.25), 0 0 32px rgb(56 189 248 / 0.18); }
.demo-card .eyebrow { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ice); }
.demo-card h3 { font-family: Sora, Manrope, sans-serif; font-size: 1.25rem; margin: 0; letter-spacing: -0.03em; }
.demo-card .desc { margin: 0; color: var(--muted); font-size: 0.95rem; line-height: 1.5; flex: 1; }
.pills { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.pill { font-size: 0.72rem; font-weight: 600; padding: 0.25rem 0.55rem; border-radius: 999px; background: rgb(56 189 248 / 0.12); color: var(--ice-soft); border: 1px solid rgb(56 189 248 / 0.3); }
.demo-card .go { font-size: 0.9rem; font-weight: 700; color: var(--ice); display: inline-block; transition: transform 160ms ease; }
.demo-card:hover .go { transform: translateX(4px); }
.spark { position: absolute; top: 12%; right: 8%; width: min(280px, 40vw); aspect-ratio: 1; border-radius: 40% 60% 55% 45%; background: linear-gradient(135deg, rgb(56 189 248 / 0.4), rgb(99 102 241 / 0.25)); filter: blur(48px); animation: riseIn 1s ease both; pointer-events: none; }
.setup { padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.25rem, 4vw, 3rem); border-top: 1px solid rgb(255 255 255 / 0.06); }
.setup-inner { max-width: 720px; margin: 0 auto; padding: 1.5rem; border-radius: 1rem; border: 1px solid var(--edge); background: var(--glass); backdrop-filter: blur(18px); }
.setup h2 { font-family: Sora, Manrope, sans-serif; font-size: 1.35rem; letter-spacing: -0.03em; margin: 0 0 0.5rem; }
.setup p { color: var(--muted); line-height: 1.6; }
.setup pre { margin: 1rem 0; padding: 1rem 1.1rem; border-radius: 0.65rem; background: rgb(0 0 0 / 0.4); border: 1px solid rgb(255 255 255 / 0.08); color: var(--text); font-size: 0.82rem; overflow-x: auto; }
.setup ul { padding-left: 1.1rem; color: var(--muted); }
.setup code { font-family: Consolas, ui-monospace, monospace; font-size: 0.88em; background: rgb(56 189 248 / 0.12); color: var(--ice-soft); padding: 0.1rem 0.35rem; border-radius: 0.25rem; }
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity 600ms ease, transform 600ms ease; transition-delay: calc(var(--i, 0) * 90ms); }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero::before, .brand, .tagline, .cta, .spark { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover, .demo-card:hover, .demo-card:hover .go { transform: none; }
}
@media (min-width: 2200px) {
  html { font-size: 125%; }
  .hero-inner { max-width: 1500px; }
  .demos-inner { max-width: 1300px; }
  .setup-inner { max-width: 960px; }
  .spark { width: min(420px, 40vw); }
}