:root {
  color-scheme: dark;
  --bg: #070b0d;
  --panel: #10161a;
  --panel-strong: #151d22;
  --line: rgba(219, 253, 247, 0.14);
  --text: #f2f8f7;
  --muted: #a9b8b5;
  --green: #14f195;
  --cyan: #65d7ff;
  --violet: #9945ff;
  --warning: #ffcc66;
  --danger: #ff6a8a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(180deg, rgba(20, 241, 149, 0.07), transparent 18rem),
    radial-gradient(circle at top right, rgba(101, 215, 255, 0.16), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 11, 13, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  color: var(--text);
  font-weight: 700;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 2rem;
  border: 1px solid rgba(20, 241, 149, 0.4);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(20, 241, 149, 0.2), rgba(153, 69, 255, 0.2));
  color: var(--green);
  font-weight: 900;
}

.site-nav {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
  outline: none;
}

main {
  overflow: hidden;
}

.hero {
  min-height: min(760px, calc(100vh - 5rem));
  display: grid;
  grid-template-columns: minmax(18rem, 0.76fr) minmax(24rem, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  padding: clamp(1.5rem, 4vw, 3.5rem) clamp(1rem, 4vw, 4rem) 2.25rem;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 42rem;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 5.4vw, 5.4rem);
  line-height: 0.96;
  max-width: 13ch;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
}

h3 {
  margin: 0 0 1rem;
  font-size: 1.2rem;
}

.hero-lede,
.standard p,
.section-heading p,
.verifier p,
.contact p,
.docs-hero p,
.doc-panel p,
.path-card p {
  color: var(--muted);
  line-height: 1.55;
}

.hero-lede {
  max-width: 36rem;
  margin: 1.5rem 0 0;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero-actions,
.demo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.command {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.78rem 1rem;
  border: 1px solid rgba(101, 215, 255, 0.34);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(101, 215, 255, 0.13), rgba(255, 255, 255, 0.04));
  color: var(--text);
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.command.primary {
  border-color: rgba(20, 241, 149, 0.7);
  background: linear-gradient(135deg, rgba(20, 241, 149, 0.95), rgba(101, 215, 255, 0.9));
  color: #04100d;
  font-weight: 800;
}

.command.ghost {
  border-color: rgba(153, 69, 255, 0.46);
  background: rgba(153, 69, 255, 0.1);
}

.command:hover,
.command:focus-visible {
  transform: translateY(-1px);
  outline: none;
  box-shadow: 0 14px 40px rgba(20, 241, 149, 0.16);
}

.proof-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

.proof-strip span {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
}

.proof-strip strong {
  color: var(--cyan);
}

.hero-visual {
  margin: 0;
  min-width: 0;
}

.hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid rgba(219, 253, 247, 0.16);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.section-grid,
.standard,
.registry,
.verifier,
.docs-preview,
.contact,
.docs-grid,
.docs-hero {
  padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 4vw, 4rem);
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  background: #0a1013;
}

.path-card,
.registry-card,
.doc-panel {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.path-index {
  display: inline-block;
  margin-bottom: 1.6rem;
  color: var(--violet);
  font-weight: 900;
}

code,
pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.path-card code,
.doc-panel code {
  display: block;
  max-width: 100%;
  overflow-wrap: anywhere;
  color: var(--green);
}

.standard {
  display: grid;
  grid-template-columns: minmax(18rem, 0.72fr) minmax(22rem, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.standard-checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.standard-checks span,
.doc-links a {
  padding: 0.95rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(20, 241, 149, 0.05);
}

.registry,
.docs-preview {
  background: #0a1013;
}

.section-heading {
  max-width: 52rem;
  margin-bottom: 1.5rem;
}

.registry-layout {
  display: grid;
  grid-template-columns: minmax(18rem, 0.55fr) minmax(22rem, 1fr);
  gap: 1rem;
}

dl {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}

dl div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}

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

dd {
  margin: 0;
  color: var(--green);
  text-align: right;
  overflow-wrap: anywhere;
}

.code-panel {
  margin: 0;
  min-width: 0;
  overflow: auto;
  padding: 1rem;
  border: 1px solid rgba(101, 215, 255, 0.25);
  border-radius: 8px;
  background: #060b0e;
  color: #caede6;
  line-height: 1.5;
}

.verifier,
.contact {
  display: grid;
  grid-template-columns: minmax(18rem, 0.68fr) minmax(22rem, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.verifier-demo,
.contact-form {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

textarea,
input,
select {
  width: 100%;
  border: 1px solid rgba(219, 253, 247, 0.18);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.34);
  color: var(--text);
}

textarea {
  min-height: 14rem;
  resize: vertical;
  padding: 0.9rem;
  line-height: 1.45;
}

input,
select {
  min-height: 2.65rem;
  margin-top: 0.35rem;
  padding: 0 0.8rem;
}

select {
  cursor: pointer;
}

.demo-results {
  display: grid;
  gap: 0.5rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.demo-results li {
  padding: 0.7rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.demo-results .pass {
  color: var(--green);
  background: rgba(20, 241, 149, 0.08);
}

.demo-results .fail {
  color: var(--danger);
  background: rgba(255, 106, 138, 0.08);
}

.doc-links,
.docs-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.docs-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.doc-panel ol {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
  color: var(--muted);
  line-height: 1.55;
}

.contact-form {
  display: grid;
  gap: 0.95rem;
}

.contact-page,
.registry-page,
.verifier-page {
  padding-top: clamp(1.5rem, 4vw, 3rem);
}

.waitlist-checks {
  margin-top: 1.25rem;
}

.registry-links {
  margin-top: 1.5rem;
}

label {
  display: grid;
  color: var(--muted);
}

.form-note {
  margin: 0;
  color: var(--warning);
  font-size: 0.92rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem clamp(1rem, 4vw, 4rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 960px) {
  .hero,
  .standard,
  .registry-layout,
  .verifier,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .section-grid,
  .doc-links,
  .docs-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  h1 {
    font-size: clamp(2.6rem, 16vw, 4rem);
  }

  .standard-checks {
    grid-template-columns: 1fr;
  }
}