:root {
  color-scheme: dark;
  --bg: #05070b;
  --bg-soft: #0b1119;
  --bg-card: rgba(16, 22, 32, 0.72);
  --border: rgba(148, 173, 208, 0.18);
  --text: #f3f6fb;
  --muted: #a8b2c1;
  --accent: #4bd1ff;
  --accent-2: #ff8a5c;
  --glow: rgba(75, 209, 255, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 700px at 10% 10%, rgba(75, 209, 255, 0.12), transparent 60%),
    radial-gradient(900px 600px at 90% 0%, rgba(255, 138, 92, 0.12), transparent 55%),
    linear-gradient(140deg, #040509 0%, #070b14 45%, #0a1018 100%);
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

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

.bg-noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.08;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='0.5'/></svg>");
  mix-blend-mode: soft-light;
  z-index: 0;
}

.hero {
  position: relative;
  z-index: 1;
  padding: 28px 8vw 60px;
  width: clamp(900px, 90vw, 1280px);
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  font-size: 20px;
  letter-spacing: 0.28em;
  font-weight: 600;
}

.nav-links {
  display: flex;
  gap: 22px;
  font-size: 14px;
  color: var(--muted);
}

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

.hero-content {
  margin-top: 60px;
  display: grid;
  gap: 40px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.hero-title {
  font-size: clamp(2.1rem, 4vw, 3.8rem);
  line-height: 1.08;
  margin: 0;
  letter-spacing: 0.02em;
}

.kicker {
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 12px;
}

.subtitle {
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  color: var(--muted);
  margin-top: 12px;
}

.lead {
  margin-top: 18px;
  max-width: 560px;
  line-height: 1.7;
  color: var(--muted);
}

.meta {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
}

.cta-row {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  padding: 10px 16px;
  font-size: 14px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--accent), #7bf1ff);
  color: #05070b;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 12px 30px rgba(75, 209, 255, 0.22);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: none;
}

.btn-disabled {
  opacity: 0.6;
  pointer-events: none;
}

.section {
  padding: 40px 8vw;
  position: relative;
  z-index: 1;
  width: clamp(900px, 90vw, 1280px);
  margin: 0 auto;
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0;
}

.section-header p {
  color: var(--muted);
  margin: 0;
}

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 24px 50px rgba(3, 6, 12, 0.6);
  backdrop-filter: blur(12px);
}

.teaser img,
#method img {
  border-radius: 14px;
}

.method-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: stretch;
}

.method-image {
  overflow: hidden;
  display: flex;
  align-items: stretch;
  aspect-ratio: 16 / 9;
}

.method-zoom {
  width: 100%;
  height: 100%;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: zoom-in;
  position: relative;
  display: flex;
  align-items: stretch;
  border-radius: 16px;
}

.method-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
  transform-origin: center;
}

.method-image:hover img {
  transform: scale(1.06);
}

.zoom-prompt {
  position: absolute;
  right: 16px;
  bottom: 16px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(5, 8, 14, 0.8);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.hero-visual {
  position: relative;
  padding: 18px;
  border-radius: 26px;
  background: rgba(5, 8, 14, 0.9);
  border: 1px solid rgba(75, 209, 255, 0.24);
  box-shadow: 0 35px 80px rgba(8, 13, 20, 0.6), 0 0 60px rgba(75, 209, 255, 0.2);
}

.hero-visual img {
  border-radius: 18px;
}

.hero-visual .glow {
  position: absolute;
  inset: 40% 20% auto 20%;
  height: 40%;
  background: radial-gradient(circle, var(--glow), transparent 70%);
  filter: blur(30px);
  z-index: -1;
}

.split {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.video-frame {
  padding: 16px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
}

.video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.text-center {
  text-align: center;
  color: var(--muted);
  margin-top: 24px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 12px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 14, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 999;
}

.modal.open,
.modal:target {
  opacity: 1;
  pointer-events: auto;
}

.modal img {
  max-width: min(92vw, 1400px);
  max-height: 90vh;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(5, 8, 14, 0.8);
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.modal-hint {
  position: absolute;
  bottom: 32px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}


.citation-block {
  margin: 0;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  color: #d7e0ee;
}

.footer {
  padding: 40px 8vw 60px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  text-align: center;
  color: var(--muted);
  position: relative;
  z-index: 1;
  width: clamp(900px, 90vw, 1280px);
  margin: 0 auto;
}

.footer-logos {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.footer-logos img {
  height: 60px;
  width: auto;
  filter: grayscale(0.1) brightness(1.1);
}

@media (max-width: 860px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 20px 6vw 40px;
  }

  .section {
    padding: 32px 6vw;
  }

  .cta-row {
    width: 100%;
  }
}