:root {
  color-scheme: dark;
  --ink: #f5f7f3;
  --muted: #a8b1aa;
  --soft: #d9e0d9;
  --line: rgba(245, 247, 243, 0.14);
  --panel: rgba(17, 22, 22, 0.78);
  --panel-solid: #101615;
  --bg: #070908;
  --cyan: #73d7e7;
  --green: #9add91;
  --amber: #f1bd73;
  --rust: #cf7d63;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.48);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid rgba(245, 247, 243, 0.08);
  background: rgba(7, 9, 8, 0.64);
  backdrop-filter: blur(22px);
}

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

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(245, 247, 243, 0.22);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(115, 215, 231, 0.2), rgba(154, 221, 145, 0.14));
  color: var(--ink);
}

.nav {
  display: flex;
  gap: clamp(14px, 2.2vw, 28px);
  color: var(--soft);
  font-size: 0.92rem;
  font-weight: 600;
}

.nav a {
  opacity: 0.78;
  transition: opacity 160ms ease, color 160ms ease;
}

.nav a:hover {
  color: var(--cyan);
  opacity: 1;
}

.hero {
  position: relative;
  display: grid;
  min-height: 92svh;
  overflow: hidden;
  isolation: isolate;
}

.hero-image,
.hero-scrim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  z-index: -3;
  object-fit: cover;
  object-position: center right;
  filter: saturate(0.96) contrast(1.04);
}

.hero-scrim {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(7, 9, 8, 0.96) 0%, rgba(7, 9, 8, 0.82) 39%, rgba(7, 9, 8, 0.34) 72%, rgba(7, 9, 8, 0.72) 100%),
    linear-gradient(180deg, rgba(7, 9, 8, 0.1) 0%, rgba(7, 9, 8, 0.36) 78%, #070908 100%);
}

.hero-content {
  align-self: end;
  width: min(760px, calc(100% - 40px));
  margin: 0 clamp(20px, 6vw, 80px) clamp(28px, 7vw, 82px);
  padding-top: 120px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(3.1rem, 8vw, 6.8rem);
  line-height: 0.92;
  font-weight: 800;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
  line-height: 1.2;
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 30px;
  color: var(--soft);
  font-size: clamp(1.03rem, 1.7vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 42px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 800;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button-primary {
  background: var(--ink);
  color: #08100d;
}

.button-secondary {
  border: 1px solid rgba(245, 247, 243, 0.3);
  background: rgba(245, 247, 243, 0.08);
  color: var(--ink);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 700px;
  margin: 0;
}

.hero-stats div {
  min-height: 112px;
  padding: 18px;
  border: 1px solid rgba(245, 247, 243, 0.14);
  border-radius: 8px;
  background: rgba(7, 9, 8, 0.5);
  backdrop-filter: blur(16px);
}

.hero-stats dt {
  margin-bottom: 4px;
  color: var(--cyan);
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  font-weight: 800;
  line-height: 1;
}

.hero-stats dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

section:not(.hero) {
  padding: clamp(72px, 10vw, 132px) clamp(20px, 5vw, 72px);
}

.intro-section,
.model-section,
.closing-section,
.site-footer {
  background:
    linear-gradient(180deg, rgba(115, 215, 231, 0.04), transparent 42%),
    var(--bg);
}

.intro-grid,
.model-section,
.closing-section,
.site-footer,
.section-heading {
  width: min(1180px, 100%);
  margin-inline: auto;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

.intro-grid p,
.model-section p,
.closing-section p {
  color: var(--soft);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
}

.feature-band,
.workflow-section {
  border-block: 1px solid var(--line);
  background: #0d1110;
}

.section-heading {
  margin-bottom: clamp(28px, 5vw, 56px);
}

.section-heading h2 {
  max-width: 830px;
}

.feature-grid {
  display: grid;
  width: min(1180px, 100%);
  margin-inline: auto;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  min-height: 265px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(245, 247, 243, 0.06), rgba(245, 247, 243, 0.02));
  box-shadow: var(--shadow);
}

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

.feature-icon {
  display: inline-flex;
  margin-bottom: 58px;
  color: var(--amber);
  font-weight: 800;
}

.model-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.85fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: center;
}

.model-panel {
  border: 1px solid rgba(245, 247, 243, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(115, 215, 231, 0.13), transparent 42%),
    var(--panel);
  box-shadow: var(--shadow);
}

.metric-row {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 18px;
  padding: 22px;
  border-bottom: 1px solid var(--line);
}

.metric-row:last-child {
  border-bottom: 0;
}

.metric-row span {
  color: var(--muted);
}

.metric-row strong {
  color: var(--ink);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
}

.timeline {
  display: grid;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
  counter-reset: step;
}

.timeline li {
  position: relative;
  min-height: 250px;
  padding: 28px 24px 24px 0;
  border-top: 1px solid rgba(245, 247, 243, 0.24);
}

.timeline li::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--rust);
  box-shadow: 0 0 0 8px rgba(207, 125, 99, 0.12);
}

.timeline span {
  display: block;
  margin-bottom: 14px;
  color: var(--ink);
  font-size: 1.28rem;
  font-weight: 800;
}

.closing-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.8fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: end;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 5vw, 72px) 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

@media (max-width: 860px) {
  .site-header {
    position: absolute;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-image {
    object-position: 65% center;
  }

  .hero-scrim {
    background:
      linear-gradient(90deg, rgba(7, 9, 8, 0.96) 0%, rgba(7, 9, 8, 0.72) 100%),
      linear-gradient(180deg, rgba(7, 9, 8, 0.16) 0%, #070908 100%);
  }

  .hero-content {
    width: calc(100% - 32px);
    margin: 0 16px 34px;
    padding-top: 128px;
  }

  .hero-stats,
  .feature-grid,
  .intro-grid,
  .model-section,
  .closing-section,
  .timeline {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 220px;
  }

  .feature-icon {
    margin-bottom: 34px;
  }

  .timeline {
    gap: 18px;
  }

  .timeline li {
    min-height: auto;
    padding-right: 0;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: clamp(2.45rem, 12vw, 3.2rem);
    line-height: 0.96;
  }

  h2 {
    font-size: clamp(1.75rem, 10vw, 2.7rem);
  }

  .hero-actions {
    display: grid;
  }

  .metric-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}
