:root {
  --bg: #0f172a;
  --bg-soft: #111c35;
  --panel: rgba(255, 255, 255, 0.075);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --text: #f8fafc;
  --muted: #b7c4d9;
  --line: rgba(255, 255, 255, 0.16);
  --brand: #7dd3fc;
  --brand-strong: #38bdf8;
  --accent: #c4b5fd;
  --warm: #fde68a;
  --shadow: 0 24px 80px rgba(2, 6, 23, 0.45);
  --radius-lg: 28px;
  --radius-md: 18px;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.22), transparent 34rem),
    radial-gradient(circle at 84% 12%, rgba(196, 181, 253, 0.18), transparent 30rem),
    linear-gradient(180deg, #0f172a 0%, #111827 48%, #0b1120 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 65%);
}

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

code {
  color: #dbeafe;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 156px;
}

.nav {
  display: flex;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.58);
}

.nav a {
  color: var(--muted);
  font-size: 0.92rem;
  padding: 8px 13px;
  border-radius: 999px;
}

.nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.section-shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 88px 24px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: 48px;
  align-items: center;
  padding-top: 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(3rem, 8vw, 6.6rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.1rem, 4.8vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.hero-lede, .section-lede, .validation-copy p, .comparison-card p {
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-lede {
  max-width: 680px;
  font-size: clamp(1.1rem, 2.3vw, 1.32rem);
}

.hero-actions, .download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 760;
  border: 1px solid transparent;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

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

.button.primary {
  color: #08111f;
  background: linear-gradient(135deg, var(--brand), #a7f3d0);
  box-shadow: 0 14px 40px rgba(56, 189, 248, 0.24);
}

.button.secondary {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.button.disabled {
  cursor: not-allowed;
  opacity: 0.66;
  transform: none;
}

.terminal-card {
  max-width: 520px;
  margin-top: 26px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(2, 6, 23, 0.58);
  box-shadow: var(--shadow);
  overflow-x: auto;
}

.prompt { color: var(--warm); }

.hero-art, .validation-art {
  position: relative;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.04));
  box-shadow: var(--shadow);
}

.hero-art img, .validation-art img {
  display: block;
  width: 100%;
  height: auto;
}

.proof-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 10px 24px 30px;
}

.proof-strip span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  color: #dbeafe;
  font-size: 0.92rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
}

.split-section {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 54px;
  align-items: start;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding-top: 18px;
}

.feature-card, .metric-card, .comparison-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: 0 12px 44px rgba(2, 6, 23, 0.2);
}

.feature-card {
  min-height: 220px;
  padding: 26px;
}

.feature-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  color: #08111f;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  border-radius: 14px;
  font-size: 0.78rem;
  font-weight: 840;
  letter-spacing: -0.03em;
}

.validation-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 1.05fr);
  gap: 42px;
  align-items: center;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  padding-top: 18px;
}

.metric-card {
  padding: 24px;
}

.metric-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: clamp(1.85rem, 3.4vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

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

.metric-card.highlight {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.22), rgba(196, 181, 253, 0.12));
}

.metric-card.muted strong { color: var(--warm); }

.section-heading { text-align: center; }

.narrow {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.table-wrap {
  margin-top: 34px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.06);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th, td {
  padding: 18px 20px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

th {
  color: #e0f2fe;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

td { color: var(--muted); }

td:first-child {
  color: var(--text);
  font-weight: 760;
}

tr:last-child td { border-bottom: 0; }

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 34px;
}

.comparison-card {
  padding: 28px;
}

.comparison-card.featured {
  background: linear-gradient(135deg, rgba(125, 211, 252, 0.18), rgba(255,255,255,0.08));
}

.comparison-card ul {
  display: grid;
  gap: 10px;
  padding-left: 20px;
  color: var(--muted);
}

.cta-section {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 34px;
  align-items: center;
  margin-bottom: 36px;
  border: 1px solid var(--line);
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(56,189,248,0.18), rgba(196,181,253,0.12));
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(2, 6, 23, 0.58);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 30px 24px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-inner p { margin: 0 0 8px; }
.footer-inner p:last-child { margin-bottom: 0; }

@media (max-width: 980px) {
  .hero, .split-section, .validation-section, .cta-section {
    grid-template-columns: 1fr;
  }

  .hero-art { order: -1; }

  .feature-grid, .metrics-grid, .comparison-grid {
    grid-template-columns: 1fr 1fr;
  }

  .cta-section { margin-left: 24px; margin-right: 24px; }
}

@media (max-width: 700px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero { padding-top: 28px; }
  .section-shell { padding: 62px 20px; }
  .feature-grid, .metrics-grid, .comparison-grid { grid-template-columns: 1fr; }
  .cta-section { margin-left: 20px; margin-right: 20px; }
  h1 { font-size: clamp(2.7rem, 15vw, 4.2rem); }
}

.faq-section {
  padding-top: 72px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.faq-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.065);
  box-shadow: 0 18px 50px rgba(2, 6, 23, 0.18);
}

.faq-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.faq-card p {
  margin: 0;
  color: var(--muted);
}

.status-card {
  background: linear-gradient(135deg, rgba(125, 211, 252, 0.14), rgba(196, 181, 253, 0.10));
}

.status-note {
  max-width: var(--max);
  margin: -10px auto 34px;
  padding: 0 24px;
  color: var(--muted);
  font-size: 0.92rem;
}

.status-note p {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.055);
  margin: 0;
  padding: 14px 18px;
}

@media (max-width: 980px) {
  .faq-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 700px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.workflow-card {
  min-height: 210px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.045));
  padding: 26px;
  box-shadow: 0 18px 50px rgba(2, 6, 23, 0.22);
}

.workflow-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 14px;
  color: #dbeafe;
  border: 1px solid rgba(125, 211, 252, 0.45);
  background: rgba(56, 189, 248, 0.12);
  font-weight: 820;
}

.workflow-card p { color: var(--muted); margin: 0; }

.hero-art, .validation-art, .feature-card, .metric-card, .comparison-card, .workflow-card, .faq-card, .table-wrap {
  backdrop-filter: blur(10px);
}

.hero-art::after, .validation-art::after {
  content: "";
  position: absolute;
  inset: 18px;
  pointer-events: none;
  border-radius: calc(var(--radius-lg) - 10px);
  box-shadow: inset 0 0 36px rgba(125, 211, 252, 0.10);
}

@media (max-width: 980px) {
  .workflow-grid {
    grid-template-columns: 1fr;
  }
}