:root {
  --bg: #07111a;
  --bg-soft: rgba(12, 28, 41, 0.72);
  --panel: rgba(10, 24, 35, 0.8);
  --panel-strong: rgba(9, 21, 31, 0.94);
  --line: rgba(151, 190, 211, 0.18);
  --text: #ecf4f8;
  --muted: #9fb7c5;
  --accent: #6ce0c7;
  --accent-deep: #1e7f8f;
  --warm: #d7b378;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 28px;
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(32, 112, 131, 0.28), transparent 30%),
    radial-gradient(circle at 85% 15%, rgba(215, 179, 120, 0.16), transparent 20%),
    linear-gradient(180deg, #041017 0%, #07111a 45%, #091924 100%);
}

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

button,
input,
textarea,
select {
  font: inherit;
}

.page-shell {
  position: relative;
  overflow: hidden;
}

.ambient {
  position: fixed;
  inset: auto;
  pointer-events: none;
  filter: blur(80px);
  opacity: 0.5;
}

.ambient-one {
  top: 8rem;
  left: -8rem;
  width: 22rem;
  height: 22rem;
  background: rgba(51, 173, 169, 0.18);
}

.ambient-two {
  right: -6rem;
  bottom: 6rem;
  width: 24rem;
  height: 24rem;
  background: rgba(208, 163, 95, 0.18);
}

.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 88%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.1rem 1.4rem;
  backdrop-filter: blur(18px);
}

.site-header.is-scrolled {
  background: rgba(6, 15, 24, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 0 0 24px 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: "Inter", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-mark {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #d2fbf5);
  box-shadow: 0 0 18px rgba(108, 224, 199, 0.8);
}

.site-nav {
  display: inline-flex;
  gap: 1.5rem;
  color: var(--muted);
  margin-left: auto;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.button:hover,
.button:focus-visible {
  color: white;
}

.button {
  transition: transform 180ms ease, color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.section {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 1.4rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  min-height: calc(100vh - 5rem);
  align-items: center;
  padding-top: 4rem;
}

.eyebrow,
.signal-label,
.note-kicker,
.phase {
  font-family: "Inter", "Segoe UI", sans-serif;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.78rem;
}

.hero h1,
.section-heading h2,
.signal-card h2,
.contact-panel h2 {
  margin: 0;
  line-height: 0.96;
  font-family: "Inter", "Segoe UI", sans-serif;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(3.6rem, 8vw, 6.6rem);
  max-width: 10ch;
}

.hero-lead,
.signal-card p,
.panel p,
.stack-card p,
.platform-note p,
.ecosystem-card p,
.roadmap-item p,
.contact-panel p {
  color: var(--muted);
  line-height: 1.75;
}

.hero-lead {
  max-width: 44rem;
  font-size: 1.08rem;
  margin: 1.6rem 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.3rem;
  padding: 0.9rem 1.3rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), #84eed7);
  color: #042027;
  font-weight: 800;
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 2.5rem 0 0;
}

.hero-metrics div,
.panel,
.stack-card,
.roadmap-item,
.signal-card {
  background: linear-gradient(180deg, rgba(17, 37, 52, 0.9), rgba(8, 21, 31, 0.82));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-metrics div {
  padding: 1.2rem;
}

.hero-metrics dt {
  font-family: "Inter", "Segoe UI", sans-serif;
  color: var(--warm);
  font-size: 1.1rem;
  margin-bottom: 0.7rem;
}

.hero-metrics dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.hero-panel {
  display: grid;
  gap: 1.4rem;
}

.signal-card {
  padding: 1.6rem;
}

.signal-label,
.note-kicker {
  font-size: 0.72rem;
  color: var(--warm);
}

.signal-card h2 {
  margin-top: 0.6rem;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
}

.orbital-frame {
  position: relative;
  min-height: 32rem;
  border-radius: calc(var(--radius) + 12px);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at center, rgba(111, 226, 201, 0.08), transparent 22%),
    linear-gradient(180deg, rgba(8, 20, 29, 0.98), rgba(7, 15, 22, 0.9));
  overflow: hidden;
  box-shadow: var(--shadow);
}

.orbital-ring,
.orbital-core,
.orbital-node {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
}

.orbital-ring {
  border: 1px solid rgba(145, 188, 207, 0.2);
  border-radius: 50%;
}

.orbital-ring-a {
  width: 14rem;
  height: 14rem;
}

.orbital-ring-b {
  width: 21rem;
  height: 21rem;
}

.orbital-ring-c {
  width: 29rem;
  height: 29rem;
}

.orbital-core {
  display: grid;
  place-items: center;
  width: 7.4rem;
  height: 7.4rem;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #9af3e2, var(--accent-deep));
  color: #021116;
  font-family: "Inter", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  box-shadow: 0 0 42px rgba(108, 224, 199, 0.28);
}

.orbital-node {
  padding: 0.7rem 0.9rem;
  border: 1px solid rgba(173, 206, 221, 0.18);
  border-radius: 999px;
  background: rgba(8, 20, 29, 0.86);
  color: var(--text);
  white-space: nowrap;
}

.orbital-node-a {
  margin-left: -10.2rem;
  margin-top: -8rem;
}

.orbital-node-b {
  margin-left: 7.8rem;
  margin-top: -4.6rem;
}

.orbital-node-c {
  margin-left: -8rem;
  margin-top: 8rem;
}

.orbital-node-d {
  margin-left: 7rem;
  margin-top: 9.2rem;
}

.section-heading {
  display: grid;
  gap: 0.8rem;
  max-width: 48rem;
  margin-bottom: 2rem;
}

.section-heading h2,
.contact-panel h2 {
  font-size: clamp(2rem, 5vw, 4rem);
}

.thesis-grid,
.roadmap-list {
  display: grid;
  gap: 1.2rem;
}

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

.panel,
.roadmap-item {
  padding: 1.5rem;
}

.panel h3,
.stack-card h3,
.roadmap-item h3 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-size: 1.24rem;
}

.platform-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(290px, 0.8fr);
  gap: 1.2rem;
}

.platform-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.stack-card {
  padding: 1.5rem;
}

.stack-index {
  display: inline-block;
  margin-bottom: 1.2rem;
  color: var(--warm);
  font-family: "Inter", "Segoe UI", sans-serif;
  font-weight: 700;
}

.platform-note {
  padding: 1.7rem;
}

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

.phase {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent);
  font-size: 0.75rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .button,
  .site-nav a {
    transition: none;
  }
}

@media (max-width: 1080px) {
  .hero,
  .platform-layout {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero h1 {
    max-width: 12ch;
  }

  .thesis-grid,
  .roadmap-list,
  .platform-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header {
    flex-wrap: wrap;
    justify-content: center;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero {
    min-height: auto;
    padding-top: 2rem;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 14vw, 4.5rem);
  }

  .hero-metrics,
  .thesis-grid,
  .roadmap-list,
  .platform-stack {
    grid-template-columns: 1fr;
  }

  .orbital-frame {
    min-height: 26rem;
  }

  .orbital-ring-c {
    width: 23rem;
    height: 23rem;
  }

  .orbital-node {
    font-size: 0.86rem;
  }

  .orbital-node-a {
    margin-left: -6.2rem;
    margin-top: -7.6rem;
  }

  .orbital-node-b {
    margin-left: 5.6rem;
    margin-top: -4.6rem;
  }

  .orbital-node-c {
    margin-left: -5.4rem;
    margin-top: 7rem;
  }

  .orbital-node-d {
    margin-left: 4.8rem;
    margin-top: 8rem;
  }

  .section {
    padding: 4rem 1rem;
  }
}