/* ThreatLens AI public showcase — static, dependency-free, no external assets. */
:root {
  color-scheme: dark;
  --bg: #071019;
  --bg-deep: #040a10;
  --surface: #0c1722;
  --surface-2: #101f2d;
  --surface-3: #132638;
  --line: #20384c;
  --line-soft: #162a3a;
  --text: #e9f3fb;
  --muted: #93a9ba;
  --muted-2: #6f8799;
  --cyan: #4ce0d2;
  --cyan-soft: #163f43;
  --blue: #71a7ff;
  --green: #65e58b;
  --amber: #f1c66a;
  --danger: #ff7f92;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shell: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg-deep);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 18% 5%, rgba(76, 224, 210, 0.08), transparent 28rem),
    radial-gradient(circle at 85% 10%, rgba(113, 167, 255, 0.08), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
  border-radius: 4px;
}

.shell {
  width: min(calc(100% - 40px), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--text);
  color: var(--bg-deep);
  font-weight: 800;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(32, 56, 76, 0.75);
  background: rgba(4, 10, 16, 0.84);
  backdrop-filter: blur(16px);
}

.nav-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(76, 224, 210, 0.4);
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(76, 224, 210, 0.18), rgba(113, 167, 255, 0.08));
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 15px;
  letter-spacing: 0.01em;
}

.brand-copy span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.top-nav a {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

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

.hero {
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--line-soft);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(340px, 0.82fr);
  gap: 72px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(48px, 7vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.hero-lead {
  max-width: 760px;
  margin-bottom: 30px;
  color: #b5c7d5;
  font-size: 18px;
  line-height: 1.75;
}

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

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 850;
  text-decoration: none;
}

.button.primary {
  background: var(--cyan);
  color: #03211f;
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(16, 31, 45, 0.6);
  color: var(--text);
}

.button:hover {
  filter: brightness(1.06);
}

.principle-card {
  max-width: 760px;
  padding: 20px 22px;
  border: 1px solid rgba(76, 224, 210, 0.24);
  border-radius: var(--radius-md);
  background: linear-gradient(120deg, rgba(76, 224, 210, 0.08), rgba(12, 23, 34, 0.56));
}

.principle-card p {
  margin-bottom: 0;
  color: #c9d8e3;
}

.principle-kicker,
.mini-label {
  display: block;
  margin-bottom: 7px;
  color: var(--cyan);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border: 1px solid rgba(113, 167, 255, 0.2);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(16, 31, 45, 0.94), rgba(8, 17, 26, 0.96));
  box-shadow: var(--shadow);
}

.hero-panel::before {
  position: absolute;
  inset: -80px -60px auto auto;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: rgba(76, 224, 210, 0.09);
  content: "";
  filter: blur(10px);
}

.panel-topline {
  position: relative;
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
  color: #bad0de;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(101, 229, 139, 0.08);
}

.metric-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}

.metric {
  min-height: 116px;
  padding: 18px;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  background: rgba(7, 16, 25, 0.62);
}

.metric strong {
  display: block;
  margin-bottom: 3px;
  color: var(--text);
  font-size: 36px;
  line-height: 1;
}

.metric span {
  color: var(--muted);
  font-size: 12px;
}

.trace {
  position: relative;
  border-top: 1px solid var(--line-soft);
  padding-top: 10px;
}

.trace > div {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: center;
  padding: 9px 0;
  color: #bacbd7;
  font-size: 13px;
}

.trace-step {
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
}

.trust-strip {
  border-bottom: 1px solid var(--line-soft);
  background: rgba(4, 10, 16, 0.52);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
}

.trust-grid span {
  padding: 18px 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--line-soft);
}

.section-alt {
  background: rgba(4, 10, 16, 0.38);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 46px;
}

.section-heading > p:last-child {
  color: var(--muted);
  font-size: 17px;
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.pipeline-card {
  position: relative;
  min-height: 230px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--surface), rgba(8, 17, 26, 0.96));
}

.pipeline-card:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -10px;
  z-index: 2;
  color: var(--cyan);
  content: "→";
  font-weight: 900;
}

.pipeline-card h3 {
  margin-top: 52px;
}

.pipeline-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.pipeline-number {
  position: absolute;
  top: 18px;
  left: 20px;
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  font-weight: 800;
}

.ai-card {
  border-color: rgba(76, 224, 210, 0.35);
  background:
    linear-gradient(180deg, rgba(22, 63, 67, 0.35), rgba(8, 17, 26, 0.96));
}

.architecture-rails {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.architecture-rails article {
  padding: 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(12, 23, 34, 0.6);
}

.architecture-rails p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.feature-card {
  min-height: 230px;
  padding: 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.feature-card:hover {
  border-color: rgba(76, 224, 210, 0.28);
  background: var(--surface-2);
}

.feature-icon {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  margin-bottom: 28px;
  border-radius: 10px;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  font-weight: 900;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.demo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 38px;
  align-items: start;
}

.demo-timeline {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.demo-timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 0 0 28px;
}

.demo-timeline li:not(:last-child)::after {
  position: absolute;
  top: 34px;
  bottom: 0;
  left: 20px;
  width: 1px;
  background: var(--line);
  content: "";
}

.demo-timeline li > span {
  z-index: 1;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  font-weight: 900;
}

.demo-timeline h3 {
  margin-bottom: 5px;
}

.demo-timeline p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.demo-card {
  position: sticky;
  top: 100px;
  padding: 26px;
  border: 1px solid rgba(76, 224, 210, 0.24);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(22, 63, 67, 0.2), rgba(12, 23, 34, 0.95));
  box-shadow: var(--shadow);
}

.demo-card blockquote {
  margin: 0 0 24px;
  padding: 0;
  color: #d8e6ef;
  font-size: 18px;
  line-height: 1.6;
}

.demo-rule {
  display: grid;
  gap: 3px;
  padding: 13px 0;
  border-top: 1px solid var(--line-soft);
}

.demo-rule strong {
  font-size: 13px;
}

.demo-rule span {
  color: var(--muted);
  font-size: 12px;
}

.assurance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.assurance-card {
  padding: 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.assurance-card > strong {
  display: block;
  margin-bottom: 18px;
  color: var(--cyan);
  font-size: 38px;
  line-height: 1;
  letter-spacing: -0.04em;
}

.assurance-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.assurance-note {
  margin-top: 16px;
  padding: 24px;
  border: 1px solid rgba(113, 167, 255, 0.2);
  border-radius: var(--radius-md);
  background: rgba(16, 31, 45, 0.56);
}

.assurance-note p {
  margin-bottom: 0;
  color: var(--muted);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.stack-grid > div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 18px;
  align-items: center;
  min-height: 76px;
  padding: 16px 20px;
  border: 1px solid var(--line-soft);
  border-radius: 13px;
  background: rgba(12, 23, 34, 0.68);
}

.stack-grid span {
  color: var(--muted-2);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stack-grid strong {
  font-size: 14px;
}

.final-cta {
  background:
    radial-gradient(circle at 15% 50%, rgba(76, 224, 210, 0.09), transparent 26rem),
    rgba(4, 10, 16, 0.4);
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 52px;
  align-items: center;
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(12, 23, 34, 0.82);
}

.cta-panel p {
  margin-bottom: 0;
  color: var(--muted);
}

.status-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.status-list span {
  padding: 10px 12px;
  border: 1px solid rgba(101, 229, 139, 0.16);
  border-radius: 9px;
  background: rgba(101, 229, 139, 0.05);
  color: #ccefd6;
  font-size: 12px;
  font-weight: 750;
}

.status-list span::before {
  margin-right: 7px;
  color: var(--green);
  content: "✓";
}

.site-footer {
  padding: 34px 0 44px;
  background: var(--bg-deep);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  color: var(--muted-2);
  font-size: 12px;
}

.footer-grid strong {
  color: var(--text);
  font-size: 14px;
}

.footer-grid p {
  max-width: 560px;
  margin-bottom: 0;
}

@media (max-width: 1020px) {
  .top-nav {
    display: none;
  }

  .hero-grid,
  .demo-layout,
  .cta-panel {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 44px;
  }

  .pipeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .pipeline-card:not(:last-child)::after {
    display: none;
  }

  .capability-grid,
  .assurance-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .demo-card {
    position: static;
  }
}

@media (max-width: 700px) {
  .shell {
    width: min(calc(100% - 28px), var(--shell));
  }

  .hero,
  .section {
    padding: 70px 0;
  }

  h1 {
    font-size: clamp(42px, 14vw, 62px);
  }

  .brand-copy span {
    display: none;
  }

  .pipeline,
  .architecture-rails,
  .capability-grid,
  .assurance-grid,
  .stack-grid,
  .status-list {
    grid-template-columns: 1fr;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stack-grid > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .cta-panel {
    padding: 26px;
  }

  .footer-grid {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}