:root {
  --bg: oklch(9% 0.025 268);
  --surface: oklch(14% 0.038 270);
  --surface-2: oklch(18% 0.055 263);
  --ink: oklch(96% 0.01 270);
  --muted: oklch(77% 0.035 268);
  --quiet: oklch(62% 0.05 268);
  --line: oklch(32% 0.085 263);
  --accent: oklch(67% 0.24 270);
  --blue: oklch(64% 0.22 247);
  --ice: oklch(86% 0.08 245);
  --danger: oklch(67% 0.17 32);
  --shadow: color-mix(in oklch, var(--bg), transparent 25%);
  --font-display: "Chivo", "Segoe UI", sans-serif;
  --font-body: "Afacad", "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 18% 12%, oklch(32% 0.16 276 / 0.34), transparent 34%),
    radial-gradient(circle at 82% 2%, oklch(34% 0.16 244 / 0.24), transparent 30%),
    radial-gradient(circle at 52% 80%, oklch(22% 0.08 285 / 0.32), transparent 38%),
    var(--bg);
  color: var(--ink);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border: 1px solid color-mix(in oklch, var(--accent), transparent 42%);
  border-radius: 12px;
  background:
    linear-gradient(135deg, oklch(74% 0.2 286 / 0.22), oklch(68% 0.2 247 / 0.16)),
    url("assets/keywise-logo.png") center 39% / 220% auto no-repeat;
  box-shadow: 0 0 28px color-mix(in oklch, var(--accent), transparent 68%);
}

.nav {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid color-mix(in oklch, var(--line), transparent 18%);
  border-radius: 999px;
  background: oklch(12% 0.035 270 / 0.78);
  padding: 5px;
}

.nav a,
.header-cta {
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
}

.nav a {
  border-radius: 999px;
  color: var(--muted);
  padding: 8px 12px;
  transition: color 180ms var(--ease), background 180ms var(--ease);
}

.nav a:hover {
  color: var(--ink);
  background: oklch(21% 0.06 263);
}

.header-cta {
  border: 1px solid color-mix(in oklch, var(--accent), transparent 45%);
  border-radius: 999px;
  color: var(--accent);
  padding: 10px 14px;
}

main {
  overflow: hidden;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  min-height: calc(100svh - 72px);
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(48px, 8vw, 98px) 0 clamp(64px, 8vw, 110px);
}

.hero-scene {
  position: absolute;
  inset: -90px calc(50% - 50vw) -70px;
  z-index: -1;
  pointer-events: none;
  opacity: 0.95;
}

#accessGraph,
#binaryRain {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#binaryRain {
  opacity: 0.52;
  mix-blend-mode: screen;
}

.hero-copy {
  display: grid;
  gap: 22px;
  max-width: 690px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  margin: 0;
  color: var(--ice);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.eyebrow span {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--blue));
  box-shadow: 0 0 22px color-mix(in oklch, var(--accent), transparent 20%);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: 0;
}

h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(36px, 4.15vw, 54px);
  line-height: 1.08;
  font-weight: 700;
}

h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.05;
}

p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.62;
}

.hero-text {
  max-width: 660px;
  font-size: clamp(18px, 2vw, 21px);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 999px;
  padding: 0 18px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

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

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--blue));
  color: var(--ink);
  box-shadow: 0 16px 46px color-mix(in oklch, var(--accent), transparent 72%);
}

.button-secondary {
  border: 1px solid color-mix(in oklch, var(--line), var(--accent) 25%);
  background: oklch(13% 0.04 270 / 0.78);
  color: var(--ink);
}

.hero-console {
  align-self: stretch;
  display: grid;
  align-content: space-between;
  gap: 18px;
  border: 1px solid color-mix(in oklch, var(--line), var(--accent) 18%);
  border-radius: 24px;
  background: linear-gradient(145deg, oklch(13% 0.04 270 / 0.94), oklch(18% 0.06 248 / 0.88));
  box-shadow: 0 28px 110px var(--shadow);
  padding: 18px;
  min-height: 500px;
}

.console-top,
.key-row,
.audit-stream span {
  border: 1px solid color-mix(in oklch, var(--line), transparent 22%);
  background: oklch(10% 0.026 270 / 0.74);
}

.console-top {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  border-radius: 16px;
  padding: 12px;
  color: var(--muted);
  font-weight: 600;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.green {
  background: var(--accent);
}

.console-top strong {
  color: var(--ice);
}

.key-list {
  display: grid;
  gap: 10px;
}

.key-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(145px, 1.1fr) auto;
  align-items: center;
  gap: 12px;
  border-radius: 16px;
  padding: 14px;
}

.key,
.value {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
}

.key {
  color: var(--ink);
}

.value {
  color: var(--quiet);
}

.pill {
  display: inline-flex;
  justify-self: end;
  border-radius: 999px;
  background: color-mix(in oklch, var(--accent), transparent 84%);
  color: var(--accent);
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 700;
}

.pill.warn {
  background: color-mix(in oklch, var(--blue), transparent 84%);
  color: var(--ice);
}

.audit-stream {
  display: grid;
  gap: 8px;
}

.audit-stream span {
  border-radius: 14px;
  color: var(--muted);
  padding: 10px 12px;
  font-size: 14px;
}

.section {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(70px, 10vw, 120px) 0;
}

.problem,
.product,
.roles {
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
}

.section-copy {
  display: grid;
  align-content: start;
  gap: 16px;
  max-width: 560px;
}

.problem-grid,
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.problem-grid article,
.security-grid article,
.control-layer,
.workflow-list li {
  border: 1px solid color-mix(in oklch, var(--line), transparent 18%);
  border-radius: 18px;
  background: oklch(13% 0.04 270 / 0.76);
  padding: 20px;
}

article strong,
.control-layer strong,
.workflow-list strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 20px;
}

article p,
.control-layer p,
.workflow-list p {
  font-size: 16px;
}

.control-stack {
  display: grid;
  gap: 14px;
}

.control-layer {
  display: grid;
  grid-template-columns: 64px 160px 1fr;
  align-items: center;
  gap: 16px;
}

.control-layer span,
.workflow-list span {
  color: var(--ice);
  font-weight: 800;
}

.role-panel {
  border: 1px solid color-mix(in oklch, var(--line), var(--accent) 14%);
  border-radius: 24px;
  background: oklch(13% 0.04 270 / 0.8);
  padding: 16px;
}

.role-tabs {
  display: inline-flex;
  gap: 6px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: oklch(9% 0.025 270);
  padding: 5px;
}

.role-tab {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: 700 15px var(--font-body);
  padding: 9px 14px;
  transition: color 180ms var(--ease), background 180ms var(--ease), transform 180ms var(--ease);
}

.role-tab:hover {
  color: var(--ink);
}

.role-tab.active {
  background: linear-gradient(135deg, var(--accent), var(--blue));
  color: var(--ink);
}

.matrix {
  display: grid;
  gap: 8px;
}

.matrix-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  border: 1px solid color-mix(in oklch, var(--line), transparent 26%);
  border-radius: 14px;
  padding: 12px 14px;
  background: oklch(10% 0.026 270 / 0.72);
}

.matrix-row span {
  color: var(--muted);
  font-weight: 600;
}

.state {
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 800;
}

.state.allow {
  background: color-mix(in oklch, var(--accent), transparent 82%);
  color: var(--accent);
}

.state.limit {
  background: color-mix(in oklch, var(--blue), transparent 82%);
  color: var(--ice);
}

.state.block {
  background: color-mix(in oklch, var(--danger), transparent 82%);
  color: var(--danger);
}

.security {
  grid-template-columns: 1fr;
}

.workflow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.final-cta {
  display: grid;
  gap: 18px;
  width: min(980px, calc(100% - 32px));
  margin: clamp(44px, 7vw, 88px) auto;
  border: 1px solid color-mix(in oklch, var(--accent), transparent 42%);
  border-radius: 30px;
  background:
    radial-gradient(circle at 18% 18%, oklch(35% 0.18 276 / 0.36), transparent 35%),
    radial-gradient(circle at 78% 10%, oklch(34% 0.16 244 / 0.22), transparent 34%),
    oklch(13% 0.04 270 / 0.9);
  padding: clamp(30px, 6vw, 64px);
}

.final-cta h2 {
  max-width: 760px;
}

.final-cta p {
  max-width: 720px;
}

.final-cta .button {
  width: fit-content;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  border-top: 1px solid color-mix(in oklch, var(--line), transparent 18%);
  color: var(--quiet);
  padding: 28px 0 42px;
}

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

  .nav {
    display: none;
  }

  .hero,
  .problem,
  .product,
  .roles {
    grid-template-columns: 1fr;
  }

  .hero-console {
    min-height: 420px;
  }

  .problem-grid,
  .security-grid,
  .workflow-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    width: min(100% - 24px, 1200px);
    padding: 12px 0;
  }

  .header-cta {
    display: none;
  }

  .hero,
  .section,
  .final-cta,
  .site-footer {
    width: min(100% - 24px, 1200px);
  }

  h1 {
    font-size: clamp(32px, 9.5vw, 40px);
  }

  h2 {
    font-size: clamp(28px, 10vw, 36px);
  }

  p {
    font-size: 17px;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .key-row,
  .control-layer,
  .matrix-row {
    grid-template-columns: 1fr;
  }

  .pill {
    justify-self: start;
  }

  .problem-grid,
  .security-grid,
  .workflow-list {
    grid-template-columns: 1fr;
  }

  .role-tabs {
    width: 100%;
  }

  .role-tab {
    flex: 1;
  }

  .site-footer {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  #binaryRain {
    opacity: 0.22;
  }
}