:root {
  color-scheme: dark;
  --bg: #080b0f;
  --surface: #10161d;
  --surface-2: #151d24;
  --line: rgba(255, 255, 255, 0.12);
  --text: #f4f7f8;
  --muted: #a8b4bd;
  --soft: #d9e2e6;
  --cyan: #52d6e4;
  --teal: #30b59d;
  --amber: #e0a94b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent 70%);
}

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

p,
h1,
h2,
h3 {
  margin: 0;
}

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  background: rgba(8, 11, 15, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(82, 214, 228, 0.45);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(82, 214, 228, 0.22), rgba(224, 169, 75, 0.14));
  color: #ffffff;
  font-size: 0.82rem;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2vw, 28px);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.nav-links a,
.footer-link {
  transition: color 160ms ease;
}

.nav-links a:hover,
.footer-link:hover {
  color: var(--cyan);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 700;
  white-space: nowrap;
}

.header-cta {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 140px clamp(20px, 6vw, 84px) 80px;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 11, 15, 0.96) 0%, rgba(8, 11, 15, 0.82) 36%, rgba(8, 11, 15, 0.28) 72%, rgba(8, 11, 15, 0.58) 100%),
    linear-gradient(0deg, var(--bg) 0%, rgba(8, 11, 15, 0.2) 34%, rgba(8, 11, 15, 0.16) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  font-size: clamp(3.2rem, 8vw, 7.6rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 660px;
  margin-top: 28px;
  color: var(--soft);
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button.primary {
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  color: #041013;
  box-shadow: 0 18px 50px rgba(82, 214, 228, 0.24);
}

.button.secondary {
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.07);
}

.intro-band,
.split-section,
.stats-section,
.use-cases,
.business-section,
.timeline-section {
  padding: clamp(72px, 10vw, 132px) clamp(20px, 6vw, 84px);
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.8fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: end;
  background: #0b1015;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  max-width: 790px;
}

.section-heading.compact {
  max-width: 760px;
  margin-bottom: 36px;
}

h2 {
  font-size: clamp(2rem, 4.4vw, 4.6rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  font-size: 1.18rem;
  line-height: 1.2;
}

.lede {
  color: var(--soft);
  font-size: clamp(1.08rem, 1.8vw, 1.36rem);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1fr);
  gap: clamp(36px, 7vw, 110px);
}

.sticky-heading {
  position: sticky;
  top: 110px;
  align-self: start;
}

.stacked-copy {
  display: grid;
  gap: 20px;
  color: var(--soft);
  font-size: clamp(1.05rem, 1.5vw, 1.24rem);
}

.stats-section {
  background: #edf5f5;
  color: #0d171b;
}

.stats-section .eyebrow {
  color: #147f82;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.metric-card {
  min-height: 230px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid rgba(13, 23, 27, 0.14);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 60px rgba(11, 25, 31, 0.08);
}

.metric-value {
  display: block;
  margin-bottom: 18px;
  font-size: clamp(2.4rem, 5vw, 5rem);
  line-height: 0.94;
  font-weight: 800;
  color: #0d171b;
}

.metric-card p,
.note {
  color: #405158;
}

.note {
  max-width: 900px;
  margin-top: 28px;
  font-size: 1rem;
}

.use-cases {
  background: #081015;
}

.use-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 42px;
  background: var(--line);
  border: 1px solid var(--line);
}

.use-grid article {
  min-height: 270px;
  padding: 28px;
  background: var(--surface);
}

.icon {
  display: inline-flex;
  margin-bottom: 54px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 800;
}

.use-grid h3 {
  margin-bottom: 12px;
}

.use-grid p {
  color: var(--muted);
}

.business-section {
  background:
    linear-gradient(135deg, rgba(82, 214, 228, 0.12), transparent 30%),
    #0d1116;
}

.business-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(280px, 0.8fr);
  gap: clamp(32px, 6vw, 80px);
  padding: clamp(28px, 5vw, 64px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  box-shadow: var(--shadow);
}

.business-copy {
  display: grid;
  gap: 18px;
  color: var(--soft);
  font-size: 1.08rem;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.timeline div {
  padding: 26px;
  border-top: 2px solid var(--cyan);
  background: var(--surface-2);
}

.timeline span {
  display: block;
  margin-bottom: 14px;
  color: var(--amber);
  font-weight: 800;
}

.timeline p {
  color: var(--muted);
}

.site-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(20px, 6vw, 84px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer .brand {
  margin-bottom: 16px;
  color: var(--text);
}

.footer-link {
  color: var(--text);
  font-weight: 700;
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .intro-band,
  .split-section,
  .business-panel {
    grid-template-columns: 1fr;
  }

  .sticky-heading {
    position: static;
  }

  .metric-grid,
  .use-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .metric-card,
  .use-grid article {
    min-height: auto;
  }

  .icon {
    margin-bottom: 30px;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 14px 18px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: 88vh;
    padding: 118px 20px 54px;
  }

  h1 {
    font-size: clamp(3rem, 16vw, 4.5rem);
  }

  .hero-copy {
    margin-top: 22px;
  }

  .button {
    width: 100%;
  }

  .intro-band,
  .split-section,
  .stats-section,
  .use-cases,
  .business-section,
  .timeline-section {
    padding: 64px 20px;
  }

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