html {
  scroll-behavior: smooth;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #020617;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent-green: #22c55e;
  --accent-cyan: #22d3ee;
  --card-bg: rgba(15,23,42,0.96);
  --border-subtle: rgba(148,163,184,0.4);
}

body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top, #020617 0, #020617 40%, #000 100%);
  color: var(--text);
  overflow-x: hidden;
}

/* Loader overlay */
#loader {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top, #020617 0, #020617 40%, #000 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

body.loaded #loader {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Animated logo (first orbiting-star version) */
.logo-orbit-3d {
  position: relative;
  width: 120px;
  height: 120px;
}

.logo-orbit-3d.mini {
  width: 36px;
  height: 36px;
}

.logo-planet {
  position: absolute;
  inset: 18%;
  border-radius: 999px;
  background: radial-gradient(circle at 20% 0%, var(--accent-cyan), var(--accent-green));
  box-shadow: 0 0 26px rgba(34,211,238,0.8);
}

.logo-orbit-ring {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  border: 2px solid rgba(56,189,248,0.7);
  border-top-color: transparent;
  border-left-color: rgba(34,197,94,0.9);
  transform-origin: 50% 50%;
  animation: orbitRotate 6s linear infinite;
}

.logo-orbit-3d.mini .logo-orbit-ring {
  border-width: 1.5px;
}

.logo-orbit-star {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: #f9fafb;
  box-shadow: 0 0 16px rgba(248,250,252,0.9);
  top: -7px;
  left: 50%;
  transform: translateX(-50%);
}

.logo-orbit-3d.mini .logo-orbit-star {
  width: 7px;
  height: 7px;
  top: -4px;
}

@keyframes orbitRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Background subtle orbits/blobs */

.bg-orbit-layer {
  position: fixed;
  inset: -200px;
  background:
    radial-gradient(circle at 10% 10%, rgba(56,189,248,0.16), transparent 55%),
    radial-gradient(circle at 80% 0%, rgba(34,197,94,0.12), transparent 60%),
    radial-gradient(circle at 50% 100%, rgba(59,130,246,0.16), transparent 55%);
  pointer-events: none;
  z-index: -3;
}

.bg-blob {
  position: fixed;
  width: 380px;
  height: 380px;
  border-radius: 999px;
  filter: blur(60px);
  opacity: 0.18;
  z-index: -2;
}

.bg-blob-1 {
  background: #22c55e;
  top: 10%;
  left: -6%;
  animation: floatBlob 24s ease-in-out infinite;
}

.bg-blob-2 {
  background: #0ea5e9;
  bottom: -12%;
  right: -8%;
  animation: floatBlob 30s ease-in-out infinite;
}

@keyframes floatBlob {
  0%, 100% { transform: translate3d(0,0,0); }
  50% { transform: translate3d(40px,-20px,0); }
}

/* Floating utility */

.floating-soft {
  animation: floatSoft 18s ease-in-out infinite;
}

.floating-strong {
  animation: floatStrong 16s ease-in-out infinite;
}

@keyframes floatSoft {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -8px, 0); }
}

@keyframes floatStrong {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -14px, 0); }
}

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

/* Navigation */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(15,23,42,0.96), rgba(15,23,42,0.7), transparent);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-cluster {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.logo-wordmark {
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 18px;
  text-transform: uppercase;
}

.logo-wordmark span {
  color: var(--accent-cyan);
}

.nav-links a {
  margin-left: 22px;
  font-size: 14px;
  color: var(--muted);
  transition: color 0.18s ease;
}

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

/* Hero */

.hero {
  padding: 80px 20px 40px;
}

.hero-grid {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  gap: 40px;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: center;
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.hero h1 {
  font-size: clamp(32px, 4.6vw, 46px);
  line-height: 1.1;
  margin: 0 0 16px;
}

.tagline {
  font-size: 16px;
  line-height: 1.7;
  max-width: 540px;
  color: #d1d5db;
}

.cta-row {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.cta-primary,
.cta-secondary {
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.cta-primary {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
  color: #020617;
  font-weight: 600;
  box-shadow: 0 0 26px rgba(56,189,248,0.45);
}

.cta-secondary {
  border: 1px solid var(--border-subtle);
  background: rgba(15,23,42,0.95);
  color: var(--text);
}

.microcopy {
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
}

/* Hero visual */

.hero-visual {
  position: relative;
  width: 260px;
  height: 260px;
  margin: 0 auto;
}

.id-core {
  position: absolute;
  inset: 50%;
  width: 84px;
  height: 84px;
  margin: -42px 0 0 -42px;
  border-radius: 999px;
  background: radial-gradient(circle at 20% 0%, var(--accent-cyan), var(--accent-green));
  box-shadow: 0 0 32px rgba(34,211,238,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  letter-spacing: 0.18em;
  font-size: 20px;
  color: #020617;
  text-transform: uppercase;
}

.ring {
  position: absolute;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.4);
}

.ring-outer {
  inset: 0;
  border-style: dashed;
}

.ring-mid {
  inset: 26px;
  border-color: rgba(56,189,248,0.7);
}

.ring-inner {
  inset: 52px;
  border-color: rgba(34,197,94,0.85);
}

.node {
  position: absolute;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  background: rgba(15,23,42,0.98);
  border: 1px solid rgba(148,163,184,0.7);
  color: #e5e7eb;
}

.node-1 { top: -8px; left: 50%; transform: translateX(-50%); }
.node-2 { bottom: -8px; left: 52%; }
.node-3 { top: 46%; right: -16px; transform: translateY(-50%); }
.node-4 { top: 50%; left: -18px; transform: translateY(-50%); }

/* Sections */

.section {
  padding: 40px 20px 32px;
}

.section-cards .section-header,
.section-waitlist {
  max-width: 960px;
  margin: 0 auto 16px;
}

.section-header h2 {
  font-size: 26px;
  margin-bottom: 8px;
}

.section-header p {
  font-size: 15px;
  color: #d1d5db;
  max-width: 640px;
}

.card-grid {
  max-width: 960px;
  margin: 18px auto 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 16px 18px;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 12px 36px rgba(15,23,42,0.9);
  backdrop-filter: blur(14px);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.card p {
  margin: 0;
  font-size: 14px;
  color: #e5e7eb;
}

/* Identity Orbit section */
.section-orbit {
  padding: 24px 20px 32px;
}

.orbit-shell {
  max-width: 980px;
  margin: 0 auto;
  background: radial-gradient(circle at top left, rgba(56,189,248,0.12), transparent 60%),
              radial-gradient(circle at bottom right, rgba(34,197,94,0.12), transparent 65%),
              rgba(15,23,42,0.98);
  border-radius: 24px;
  border: 1px solid rgba(148,163,184,0.55);
  box-shadow: 0 18px 50px rgba(15,23,42,0.95);
  padding: 20px 24px 22px;
}

.orbit-shell h2 {
  margin: 2px 0 10px;
  font-size: 24px;
}

.orbit-lede {
  margin: 0 0 16px;
  font-size: 15px;
  color: #e5e7eb;
  max-width: 820px;
}

.orbit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px 18px;
  margin-bottom: 14px;
  font-size: 13px;
  color: #e5e7eb;
}

.orbit-col h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.orbit-col ul {
  margin: 0;
  padding-left: 18px;
}

.orbit-col li {
  margin-bottom: 5px;
}

.orbit-footer {
  margin: 4px 0 0;
  font-size: 13px;
  color: #d1d5db;
}

/* Pill section */

.section-pill {
  padding: 24px 20px 32px;
}

.section-pill .pill {
  max-width: 980px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(15,23,42,0.98), rgba(15,23,42,0.9));
  border-radius: 24px;
  border: 1px solid rgba(148,163,184,0.5);
  box-shadow: 0 16px 46px rgba(15,23,42,0.9);
  padding: 18px 24px;
}

.section-pill h2 {
  margin: 0 0 6px;
  font-size: 20px;
}

.feature-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 8px 20px;
  font-size: 14px;
}

.feature-list li {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.feature-list span {
  font-size: 16px;
}

/* Waitlist */

.section-waitlist {
  max-width: 640px;
  text-align: left;
}

.section-waitlist h2 {
  font-size: 24px;
  margin-bottom: 6px;
}

.section-waitlist p {
  font-size: 15px;
  color: #d1d5db;
}

.waitlist-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 8px;
}

.waitlist-form input {
  flex: 1 1 240px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(15,23,42,0.96);
  color: var(--text);
}

.waitlist-form button {
  padding: 10px 18px;
  border-radius: 999px;
  border: none;
  background: rgba(15,23,42,0.96);
  color: var(--muted);
  font-size: 14px;
}

.footer {
  padding: 20px;
  border-top: 1px solid rgba(30,64,175,0.7);
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

/* Responsive */

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero {
    padding-top: 70px;
  }
  .nav-links {
    display: none;
  }
}