:root {
  --obsidian-0: #07090e;
  --obsidian-1: #0b1018;
  --obsidian-2: #111826;
  --white-0: #f5f7fb;
  --white-1: #d9ddea;
  --gold-0: #d9b56d;
  --gold-1: #a9894f;
  --glass-bg: rgba(244, 246, 252, 0.07);
  --glass-border: rgba(214, 181, 109, 0.3);
  --glass-shadow: 0 18px 48px rgba(0, 0, 0, 0.4);
  --content-max: min(1120px, 92vw);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 12% 16%, rgba(217, 181, 109, 0.11), transparent 36%),
    radial-gradient(circle at 82% 20%, rgba(120, 140, 178, 0.1), transparent 34%),
    linear-gradient(145deg, var(--obsidian-0), var(--obsidian-1) 42%, var(--obsidian-2));
  color: var(--white-0);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  line-height: 1.55;
  scroll-behavior: smooth;
}

body {
  position: relative;
  overflow-x: hidden;
}

.scene-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
}

#brain-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.scene-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      90deg,
      rgba(245, 247, 251, 0.02),
      rgba(245, 247, 251, 0.02) 1px,
      transparent 1px,
      transparent 32px
    ),
    linear-gradient(to bottom, rgba(7, 9, 14, 0.08), rgba(7, 9, 14, 0.72));
}

.scene-fallback {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 6;
  max-width: min(460px, 88vw);
  padding: 0.8rem 0.95rem;
  color: var(--white-0);
  font-size: 0.86rem;
}

main,
.footer {
  position: relative;
  z-index: 1;
}

.glass {
  background: linear-gradient(145deg, rgba(245, 247, 251, 0.11), rgba(245, 247, 251, 0.03));
  border: 1px solid var(--glass-border);
  border-radius: 22px;
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(16px) saturate(130%);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
}

.topbar {
  position: fixed;
  top: 1.1rem;
  left: 50%;
  transform: translateX(-50%);
  width: var(--content-max);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.8rem 1rem;
  z-index: 5;
}

.brand {
  text-decoration: none;
  color: var(--white-0);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.6rem;
  letter-spacing: 0.07rem;
}

.topbar-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.25rem;
}

.topbar-nav a {
  color: var(--white-1);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  transition: color 180ms ease, background-color 180ms ease;
}

.topbar-nav a:hover,
.topbar-nav a:focus-visible {
  color: var(--white-0);
  background-color: rgba(217, 181, 109, 0.16);
}

.section-wrap {
  width: var(--content-max);
  margin: 0 auto;
  padding-top: clamp(4.4rem, 9vh, 6rem);
}

.hero {
  min-height: 100vh;
  padding-top: clamp(7.2rem, 16vh, 9.5rem);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: clamp(1rem, 3vw, 2rem);
}

.hero-card {
  padding: clamp(1.5rem, 4vw, 2.7rem);
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-0);
  font-size: 0.74rem;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  line-height: 1.04;
  color: var(--white-0);
}

h1 {
  margin-top: 0.9rem;
  font-size: clamp(2.4rem, 7vw, 5.4rem);
  max-width: 14ch;
}

.lede {
  margin: 1rem 0 0;
  color: var(--white-1);
  max-width: 58ch;
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.btn {
  text-decoration: none;
  border-radius: 999px;
  padding: 0.62rem 1.1rem;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

.btn-gold {
  background: linear-gradient(115deg, var(--gold-0), #f0d18f);
  color: #16120c;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-clear {
  color: var(--white-0);
  border-color: rgba(245, 247, 251, 0.35);
  background-color: rgba(255, 255, 255, 0.04);
}

.scroll-readout {
  min-width: 196px;
  padding: 0.95rem 1.05rem;
}

.scroll-readout p {
  margin: 0;
  color: var(--gold-0);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.scroll-readout strong {
  display: block;
  margin: 0.4rem 0 0.3rem;
  font-size: 2rem;
  font-family: "Cormorant Garamond", Georgia, serif;
  color: var(--white-0);
}

.scroll-readout span {
  color: var(--white-1);
  font-size: 0.84rem;
}

.section-head {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.4rem);
}

.grid {
  display: grid;
  gap: 1rem;
}

.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.three-up {
  margin-top: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel {
  padding: clamp(1rem, 2vw, 1.35rem);
}

.panel h3 {
  font-size: clamp(1.36rem, 3vw, 1.8rem);
  margin-bottom: 0.55rem;
}

.panel p,
.panel li {
  margin: 0;
  color: var(--white-1);
}

.panel ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.45rem;
}

.pipeline ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.pipeline li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.72rem 0.8rem;
  border: 1px solid rgba(217, 181, 109, 0.22);
  border-radius: 14px;
  background-color: rgba(255, 255, 255, 0.04);
}

.pipeline span {
  font-size: 0.75rem;
  letter-spacing: 0.11em;
  color: var(--gold-0);
  border: 1px solid rgba(217, 181, 109, 0.35);
  border-radius: 999px;
  min-width: 42px;
  text-align: center;
  padding: 0.22rem 0.1rem;
}

.media-grid {
  gap: 1rem;
  align-items: start;
}

.result-layout {
  display: grid;
  gap: 1rem;
}

.result-copy {
  display: grid;
  gap: 0.7rem;
}

.featured-media {
  margin: 0;
}

.featured-media img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(245, 247, 251, 0.3);
}

.media-card {
  display: grid;
  gap: 0.65rem;
  margin: 0;
}

.media-card img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(245, 247, 251, 0.25);
}

.media-card figcaption {
  color: var(--white-1);
  font-size: 0.86rem;
}

.compact-curve img {
  max-height: 300px;
  object-fit: contain;
  background-color: rgba(7, 9, 14, 0.28);
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline div {
  padding-left: 1rem;
  border-left: 1px solid rgba(217, 181, 109, 0.45);
}

.footer {
  padding-bottom: 2rem;
}

.footer-card {
  padding: 1rem 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.footer-card p {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  color: var(--gold-0);
  font-size: 1.35rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--white-1);
  font-size: 0.88rem;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--gold-0);
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    align-items: center;
  }

  .scroll-readout {
    width: fit-content;
  }

  .two-up,
  .three-up {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .topbar {
    top: 0.7rem;
    padding: 0.8rem;
  }

  .topbar-nav {
    display: none;
  }

  .hero {
    min-height: 92vh;
  }

  .hero-card,
  .panel {
    border-radius: 18px;
  }

  .footer-card {
    flex-direction: column;
    align-items: flex-start;
  }
}