:root {
  /* Light/crisp surface + Origin Matters navy/cyan family (#102840 / #00c0f0) */
  --ink: #102840;
  --ink-soft: #2a4660;
  --muted: #5a7388;
  --line: rgba(16, 40, 64, 0.12);
  --paper: #eef5fa;
  --paper-2: #e2eef6;
  --white: #f7fbfe;
  --accent: #0098c4;
  --accent-soft: rgba(0, 192, 240, 0.14);
  --shadow: 0 1px 0 rgba(16, 40, 64, 0.05);
  --font-display: "Syne", sans-serif;
  --font-body: "Manrope", sans-serif;
  --radius: 14px;
  --max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(0, 192, 240, 0.12), transparent 55%),
    radial-gradient(900px 500px at 0% 20%, rgba(16, 40, 64, 0.07), transparent 50%),
    linear-gradient(180deg, var(--paper) 0%, var(--white) 40%, var(--paper-2) 100%);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

img {
  max-width: 100%;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  backdrop-filter: blur(14px);
  background: rgba(251, 252, 253, 0.78);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.nav.is-scrolled {
  border-bottom-color: var(--line);
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.nav-links {
  display: none;
  gap: 1.25rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-cta {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
}

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
}

#hero-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(238, 245, 250, 0.12) 0%,
    rgba(238, 245, 250, 0.55) 45%,
    rgba(247, 251, 254, 0.96) 100%
  );
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: 6rem 1.5rem 4.5rem;
  animation: rise 0.9s ease both;
}

.brand-mark {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 9vw, 6.5rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.9;
  margin: 0 0 1.25rem;
  color: var(--ink);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.2vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.15;
  max-width: 14ch;
  margin: 0 0 1rem;
}

.lede {
  max-width: 34rem;
  font-size: 1.125rem;
  color: var(--ink-soft);
  margin: 0 0 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: var(--ink);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--ink-soft);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: rgba(12, 21, 32, 0.25);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5.5rem 1.5rem;
}

.section-narrow {
  max-width: 720px;
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin: 0 0 1rem;
}

h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.section-lede {
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0;
}

.workflow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.workflow-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 252, 253, 0.7);
  overflow: hidden;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.workflow-item.is-active {
  border-color: rgba(0, 152, 196, 0.4);
  background: rgba(247, 251, 254, 0.98);
}

.workflow-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.workflow-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  flex-shrink: 0;
}

.workflow-icon svg {
  width: 1.2rem;
  height: 1.2rem;
}

.workflow-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.workflow-title {
  font-weight: 650;
  letter-spacing: -0.01em;
}

.workflow-verb {
  font-size: 0.88rem;
  color: var(--muted);
}

.workflow-why {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
  padding: 0 1.15rem;
}

.workflow-item.is-active .workflow-why {
  grid-template-rows: 1fr;
  padding-bottom: 1.1rem;
}

.workflow-why p {
  margin: 0;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 0.98rem;
  padding-left: 3.5rem;
}

.section-split {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink);
  color: #d7e0e8;
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow);
}

.panel pre {
  margin: 0;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 0.85rem;
  line-height: 1.7;
  white-space: pre-wrap;
}

.panel-note {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: #9aadb8;
}

.plain-list {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.plain-list li {
  padding-left: 0.9rem;
  border-left: 2px solid var(--accent);
  color: var(--ink-soft);
}

.plain-list strong {
  color: var(--ink);
}

.meter-visual {
  display: grid;
  gap: 0.85rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(251, 252, 253, 0.8);
}

.meter-bar {
  height: 3.2rem;
  width: var(--w);
  min-width: 5rem;
  border-radius: 10px;
  background: linear-gradient(90deg, rgba(0, 192, 240, 0.22), rgba(0, 152, 196, 0.55));
  display: flex;
  align-items: center;
  padding: 0 0.9rem;
  font-weight: 650;
  font-size: 0.9rem;
  animation: grow 1s ease both;
}

.meter-bar.tall {
  height: 4rem;
  background: linear-gradient(90deg, rgba(16, 40, 64, 0.88), rgba(0, 152, 196, 0.9));
  color: var(--white);
}

.meter-bar.short {
  height: 2.6rem;
  background: linear-gradient(90deg, rgba(0, 192, 240, 0.12), rgba(0, 152, 196, 0.32));
}

.verify-steps {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.verify-steps article {
  padding: 1.35rem 1.4rem;
  border-top: 1px solid var(--line);
}

.verify-steps p {
  margin: 0;
  color: var(--ink-soft);
}

.deep-dive {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 252, 253, 0.75);
  padding: 0.25rem 1.1rem;
}

.deep-dive summary {
  cursor: pointer;
  font-weight: 650;
  padding: 1rem 0;
  list-style: none;
}

.deep-dive summary::-webkit-details-marker {
  display: none;
}

.deep-dive-body {
  padding-bottom: 1.1rem;
  color: var(--ink-soft);
}

.deep-dive-body p + p {
  margin-top: 0.85rem;
}

.explorer {
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background: rgba(251, 252, 253, 0.85);
  overflow: hidden;
}

.explorer-verbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 1rem;
  border-bottom: 1px solid var(--line);
}

.verb {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.verb:hover {
  border-color: rgba(12, 21, 32, 0.25);
  color: var(--ink);
}

.verb.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.explorer-stage {
  display: grid;
  gap: 0;
}

.explorer-copy {
  padding: 1.4rem 1.4rem 1.2rem;
}

.explorer-copy h3 {
  margin-bottom: 0.4rem;
}

.explorer-copy > p {
  margin: 0 0 1.1rem;
  color: var(--ink-soft);
}

.explorer-facts {
  display: grid;
  gap: 0.85rem;
  margin: 0 0 1.25rem;
}

.explorer-facts dt {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.explorer-facts dd {
  margin: 0;
  font-weight: 550;
}

.explorer-out {
  margin: 0;
  padding: 1.25rem 1.4rem;
  background: var(--ink);
  color: #c9d6e0;
  min-height: 220px;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 0.8rem;
  line-height: 1.65;
  overflow: auto;
}

.explorer-out.is-updating {
  animation: pulse 0.45s ease;
}

.cta-band {
  text-align: center;
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.cta-band h2 {
  max-width: 16ch;
  margin-left: auto;
  margin-right: auto;
}

.cta-band p {
  max-width: 34rem;
  margin: 0 auto 1.5rem;
  color: var(--ink-soft);
}

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-brand-link {
  color: var(--accent);
  font-weight: 650;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.footer-brand-link:hover {
  color: var(--ink);
}

.footer-note {
  margin: 0.35rem 0 0;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes grow {
  from {
    width: 0;
  }
}

@keyframes pulse {
  from {
    opacity: 0.55;
  }
  to {
    opacity: 1;
  }
}

@media (min-width: 800px) {
  .nav-links {
    display: flex;
  }

  .section-split {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
  }

  .section-split.reverse {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .section-split.reverse > :first-child {
    order: 2;
  }

  .verify-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }

  .verify-steps article {
    border-top: 0;
    border-left: 1px solid var(--line);
    padding: 0 1.4rem;
  }

  .verify-steps article:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .explorer-stage {
    grid-template-columns: 1fr 1.1fr;
  }

  .explorer-out {
    min-height: 100%;
  }

  .workflow-why p {
    padding-left: 3.5rem;
  }
}

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

  .hero-copy,
  .reveal,
  .meter-bar,
  .explorer-out.is-updating {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}