@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Inter:wght@400;500;600;700;800&family=Playfair+Display:ital,wght@1,600&display=swap");

:root {
  color-scheme: dark;
  --bg: #090b11;
  --panel: rgba(16, 20, 31, 0.74);
  --panel-strong: rgba(18, 24, 39, 0.92);
  --text: #f3f5fb;
  --muted: #9fa8bd;
  --line: rgba(175, 189, 221, 0.16);
  --line-strong: rgba(175, 189, 221, 0.3);
  --coral: #ff7b5a;
  --lime: #d5f26b;
  --blue: #8ec5ff;
  --violet: #a693ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 18%, rgba(142, 197, 255, 0.12), transparent 25%),
    radial-gradient(circle at 82% 14%, rgba(166, 147, 255, 0.10), transparent 26%),
    radial-gradient(circle at 50% 115%, rgba(255, 123, 90, 0.08), transparent 30%),
    linear-gradient(180deg, #080b10 0%, #090d14 42%, #0b1019 100%);
  font-family: "Inter", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.noise {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: 0.028;
  mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.85'/%3E%3C/svg%3E");
}

.cursor-glow {
  position: fixed;
  z-index: -1;
  width: 36rem;
  height: 36rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(89, 142, 217, 0.20), transparent 67%);
  transform: translate(-50%, -50%);
  transition: left .45s ease-out, top .45s ease-out;
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 15;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem clamp(1.2rem, 3vw, 3rem);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 10, 16, 0.68);
  backdrop-filter: blur(14px);
}

.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 700; letter-spacing: -.03em; }
.brand-mark { position: relative; width: 1.55rem; height: 1.55rem; transform: rotate(45deg); }
.brand-mark span { position: absolute; width: .82rem; height: .82rem; border: 1.5px solid var(--text); border-radius: .18rem; }
.brand-mark span:first-child { inset: 0 auto auto 0; }
.brand-mark span:last-child { inset: auto 0 0 auto; border-color: transparent; background: linear-gradient(135deg, var(--coral), var(--blue)); }

.status { display: flex; align-items: center; gap: .65rem; color: var(--muted); font: .7rem "DM Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
.status-dot { width: .48rem; height: .48rem; border-radius: 50%; background: #90d96a; animation: pulse 2.4s infinite; }

main, footer { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.hero { position: relative; min-height: calc(100vh - 82px); display: grid; align-items: center; padding: clamp(4.5rem, 8vw, 7rem) 0 clamp(3.5rem, 8vw, 6rem); isolation: isolate; }
.hero-copy { position: relative; z-index: 3; width: min(840px, 100%); }

.eyebrow, .section-label, .note-index, .stack-kicker { font-family: "DM Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow { display: inline-flex; gap: .8rem; margin: 0 0 1.5rem; color: var(--muted); font-size: .72rem; animation: reveal .8s .05s both; }
.eyebrow span, .section-label, .stack-kicker { color: var(--blue); }

h1 { max-width: 10ch; margin: 0; font-size: clamp(3.7rem, 8.5vw, 7.4rem); font-weight: 800; line-height: .92; letter-spacing: -.075em; animation: reveal .9s .12s both; }
h1 em { position: relative; z-index: 0; font-family: "Playfair Display", serif; font-weight: 600; }
h1 em::after { position: absolute; z-index: -1; right: -.05em; bottom: .04em; left: -.04em; height: .16em; border-radius: 999px; content: ""; background: linear-gradient(90deg, var(--coral), var(--blue)); }

.intro, .panel-copy, .focus-card p, .stack-list p, .bullet-list li { color: var(--muted); line-height: 1.75; }
.intro { width: min(700px, 100%); margin: 1.8rem 0 0; font-size: clamp(1.04rem, 1.6vw, 1.17rem); animation: reveal .9s .22s both; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; animation: reveal .9s .32s both; }

.pill-link, .enter-button { display: inline-flex; align-items: center; justify-content: center; min-height: 3.25rem; border-radius: 999px; font: .72rem "DM Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
.pill-link { padding: 0 1.25rem; border: 1px solid var(--line-strong); background: rgba(12,16,26,.55); transition: .25s ease; }
.pill-link:hover { transform: translateY(-2px); border-color: rgba(142,197,255,.4); background: rgba(15,21,35,.84); }
.enter-button { gap: 1.2rem; padding: .45rem .45rem .45rem 1.3rem; border: 1px solid transparent; background: linear-gradient(135deg, rgba(255,123,90,.22), rgba(142,197,255,.18)); box-shadow: inset 0 0 0 1px rgba(255,255,255,.07); cursor: pointer; transition: .25s ease; }
.enter-button:hover { transform: translateY(-2px); box-shadow: inset 0 0 0 1px rgba(142,197,255,.3), 0 12px 30px rgba(0,0,0,.2); }
.button-arrow { display: grid; place-items: center; width: 2.3rem; height: 2.3rem; border-radius: 50%; background: rgba(255,255,255,.08); transition: transform .3s ease; }
.enter-button:hover .button-arrow, .enter-button[aria-expanded="true"] .button-arrow { transform: rotate(45deg); }

.lab-note { display: grid; grid-template-columns: auto 1fr; gap: 1rem; width: min(700px,100%); max-height: 0; overflow: hidden; opacity: 0; transform: translateY(-8px); transition: .45s ease; }
.lab-note.is-visible { max-height: 10rem; margin-top: 1.4rem; opacity: 1; transform: translateY(0); }
.note-index { color: var(--coral); font-size: .72rem; line-height: 1.9; }
.lab-note p { margin: 0; color: var(--muted); line-height: 1.7; }

.orbit-field { position: absolute; inset: 0; z-index: 1; overflow: hidden; pointer-events: none; }
.grid-sweep { position: absolute; inset: 8% 2% 6%; border-radius: 2rem; background-image: linear-gradient(rgba(142,197,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(142,197,255,.06) 1px, transparent 1px); background-size: 52px 52px; mask-image: radial-gradient(circle at center, black 38%, transparent 88%); opacity: .32; }
.orbit, .node, .link, .star { position: absolute; }
.orbit { border: 1px solid rgba(175,189,221,.13); border-radius: 50%; }
.orbit-one { top: 8%; right: 9%; width: clamp(11rem,18vw,18rem); aspect-ratio: 1; animation: spin 24s linear infinite; }
.orbit-two { bottom: 14%; right: 20%; width: clamp(8rem,14vw,12rem); aspect-ratio: 1; animation: spin 16s linear infinite reverse; }
.orbit-three { left: -2%; top: 18%; width: clamp(10rem,16vw,15rem); aspect-ratio: 1; animation: spin 20s linear infinite; }
.planet { position: absolute; top: 50%; left: -.46rem; width: .92rem; height: .92rem; border-radius: 50%; transform: translateY(-50%); }
.planet-coral { background: var(--coral); } .planet-blue { background: var(--blue); } .planet-lime { background: var(--lime); }
.star { animation: twinkle 3s ease-in-out infinite; }
.star-one { top: 10%; left: 9%; } .star-two { top: 20%; right: 28%; color: var(--blue); animation-delay: -1s; } .star-three { bottom: 18%; left: 28%; color: var(--coral); animation-delay: -1.8s; } .star-four { bottom: 10%; right: 8%; animation-delay: -2.4s; }
.node { width: .5rem; height: .5rem; border-radius: 50%; background: rgba(142,197,255,.8); box-shadow: 0 0 0 5px rgba(142,197,255,.06); }
.node-one { top: 24%; left: 59%; } .node-two { top: 31%; left: 67%; } .node-three { top: 40%; left: 61%; } .node-four { top: 35%; left: 75%; background: rgba(255,123,90,.85); }
.link { height: 1px; transform-origin: left center; background: linear-gradient(90deg, rgba(142,197,255,.55), rgba(255,123,90,.3)); }
.link-one { top: 24.5%; left: 59.4%; width: 7.4%; transform: rotate(31deg); } .link-two { top: 31.5%; left: 61.4%; width: 8.2%; transform: rotate(118deg); } .link-three { top: 35.3%; left: 67.3%; width: 7.4%; transform: rotate(-4deg); }

.side-note { position: absolute; top: 50%; right: -.3rem; z-index: 3; display: flex; gap: 1rem; color: rgba(159,168,189,.72); font: .64rem "DM Mono", monospace; letter-spacing: .12em; text-transform: uppercase; transform: translateY(-50%) rotate(90deg) translateX(50%); transform-origin: right center; }
.side-note span:not(:last-child)::after { margin-left: 1rem; color: var(--coral); content: "•"; }

.panel-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 1rem; padding-bottom: 4rem; }
.panel { position: relative; padding: 1.5rem; border: 1px solid var(--line); border-radius: 1.5rem; background: var(--panel); box-shadow: 0 22px 70px rgba(0,0,0,.35); backdrop-filter: blur(12px); }
.panel::before { position: absolute; inset: 0; border-radius: inherit; content: ""; pointer-events: none; background: linear-gradient(180deg, rgba(255,255,255,.06), transparent 28%); }
.panel-accent { background: radial-gradient(circle at top right, rgba(255,123,90,.14), transparent 32%), radial-gradient(circle at bottom left, rgba(142,197,255,.12), transparent 36%), var(--panel-strong); }
.section-label { margin: 0 0 .8rem; font-size: .72rem; }
h2 { margin: 0; font-size: clamp(1.45rem,2vw,2rem); line-height: 1.12; letter-spacing: -.04em; }
.panel-copy { margin: 1rem 0 0; }
.bullet-list { margin: 1.2rem 0 0; padding: 0; list-style: none; }
.bullet-list li { position: relative; padding-left: 1.2rem; }
.bullet-list li + li { margin-top: .7rem; }
.bullet-list li::before { position: absolute; left: 0; top: .65rem; width: .4rem; height: .4rem; border-radius: 50%; content: ""; background: linear-gradient(135deg, var(--coral), var(--blue)); }
.focus-list, .stack-list { display: grid; gap: .8rem; margin-top: 1.2rem; }
.focus-card { padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; background: rgba(11,15,24,.55); }
.focus-index { color: var(--coral); font: .72rem "DM Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
.focus-card h3 { margin: .55rem 0 0; font-size: 1.05rem; }
.focus-card p, .stack-list p { margin: .5rem 0 0; font-size: .96rem; }
.stack-list div { padding-top: 1rem; border-top: 1px solid var(--line); }
.stack-list div:first-child { padding-top: 0; border-top: 0; }

footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem; padding: 1rem 0 1.4rem; border-top: 1px solid var(--line); color: var(--muted); font: .66rem "DM Mono", monospace; letter-spacing: .06em; text-transform: uppercase; }
footer p { margin: 0; } footer p:nth-child(2) { color: var(--text); } footer p:last-child { text-align: right; }

@keyframes reveal { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes twinkle { 0%,100% { opacity:.3; transform:scale(.85) rotate(0); } 50% { opacity:1; transform:scale(1.12) rotate(18deg); } }
@keyframes pulse { 70% { box-shadow: 0 0 0 7px rgba(144,217,106,0); } 100% { box-shadow: 0 0 0 0 rgba(144,217,106,0); } }

@media (max-width: 980px) {
  .hero { min-height: auto; padding-top: 4rem; }
  .side-note { display: none; }
  .panel-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  main, footer { width: min(100%, calc(100% - 1.3rem)); }
  .site-header { padding-inline: .9rem; }
  .status { font-size: 0; }
  .status-dot { width: .58rem; height: .58rem; }
  .hero { padding-top: 3rem; }
  h1 { max-width: 100%; font-size: clamp(3.25rem, 15vw, 5rem); }
  .intro { font-size: 1rem; }
  .hero-actions { align-items: stretch; }
  .pill-link, .enter-button { width: 100%; }
  .lab-note { grid-template-columns: 1fr; }
  .orbit-field { opacity: .75; }
  .grid-sweep { inset: 12% -18% 6%; }
  .orbit-one { right: -10%; } .orbit-three { left: -18%; }
  .node, .link { display: none; }
  .panel { padding: 1.2rem; border-radius: 1.2rem; }
  footer { grid-template-columns: 1fr 1fr; }
  footer p:first-child { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}