@import url("./tokens.css");

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-day-text);
  background: var(--color-surface);
  line-height: 1.55;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 250, 252, 0.94);
  border-bottom: 1px solid rgba(23, 32, 51, 0.1);
  backdrop-filter: blur(16px);
}

.nav {
  max-width: var(--container);
  margin: 0 auto;
  min-height: 72px;
  padding: 0 var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  font-weight: 760;
  letter-spacing: 0;
}

.brand img {
  width: 40px;
  height: 40px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 0.93rem;
}

.nav-links a {
  color: var(--color-day-muted);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--color-day-text);
}

.hero {
  color: var(--color-text);
  background:
    linear-gradient(135deg, rgba(8, 17, 31, 0.97), rgba(16, 38, 61, 0.94)),
    url("../assets/og-image.svg") center / cover no-repeat;
}

.hero-inner,
.section-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-8) var(--space-5);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: var(--space-7);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-4);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  font-size: clamp(3rem, 8vw, 6.6rem);
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: var(--space-3) 0 0;
}

.lead {
  max-width: 760px;
  color: var(--color-text-muted);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0.72rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 720;
  text-decoration: none;
}

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

.button.secondary {
  color: var(--color-text);
  border-color: var(--color-line);
  background: rgba(229, 241, 255, 0.08);
}

.button.light {
  color: var(--color-day-text);
  border-color: rgba(23, 32, 51, 0.16);
  background: #fff;
}

.status-panel,
.info-panel {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: rgba(14, 27, 45, 0.86);
  box-shadow: var(--shadow-soft);
}

.status-panel {
  padding: var(--space-5);
}

.status-list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.status-item {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(157, 177, 199, 0.14);
  color: var(--color-text-muted);
}

.status-item strong {
  color: var(--color-text);
  text-align: right;
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge.beta { color: var(--color-accent); }
.badge.testnet { color: var(--color-primary); }
.badge.research { color: #93c5fd; }
.badge.done { color: var(--color-success); }
.badge.next { color: var(--color-primary-dark); }

.section {
  background: var(--color-surface);
}

.section.alt {
  background: var(--color-surface-muted);
}

.section.dark {
  color: var(--color-text);
  background: var(--color-ink);
}

.section-header {
  max-width: 790px;
  margin-bottom: var(--space-6);
}

.section-header p {
  color: var(--color-day-muted);
  font-size: 1.05rem;
}

.dark .section-header p,
.dark p {
  color: var(--color-text-muted);
}

.grid {
  display: grid;
  gap: var(--space-4);
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.card {
  padding: var(--space-5);
  border: 1px solid rgba(23, 32, 51, 0.12);
  border-radius: var(--radius-card);
  background: #fff;
}

.dark .card {
  border-color: var(--color-line);
  background: var(--color-panel);
}

.card p,
.timeline p,
.roadmap p {
  color: var(--color-day-muted);
}

.dark .card p,
.dark .timeline p,
.dark .roadmap p {
  color: var(--color-text-muted);
}

.diagram {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: stretch;
}

.diagram-step {
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-panel);
}

.comparison {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: var(--radius-card);
  background: #fff;
}

.comparison th,
.comparison td {
  padding: 0.95rem;
  border-bottom: 1px solid rgba(23, 32, 51, 0.1);
  text-align: left;
  vertical-align: top;
}

.comparison th {
  background: var(--color-ink-soft);
  color: var(--color-text);
}

.timeline,
.roadmap {
  display: grid;
  gap: var(--space-4);
}

.timeline-item,
.roadmap-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-5);
  padding: var(--space-5);
  border: 1px solid rgba(23, 32, 51, 0.12);
  border-radius: var(--radius-card);
  background: #fff;
}

.date {
  color: var(--color-primary-dark);
  font-family: var(--font-mono);
  font-weight: 760;
}

.specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.spec {
  padding: var(--space-4);
  border: 1px solid rgba(23, 32, 51, 0.1);
  border-radius: var(--radius-card);
  background: #fff;
}

.spec span {
  display: block;
  color: var(--color-day-muted);
  font-size: 0.78rem;
  font-weight: 720;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.spec strong {
  display: block;
  margin-top: var(--space-1);
  overflow-wrap: anywhere;
}

.alert {
  padding: var(--space-4);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: #fff7ed;
  color: #713f12;
}

.code {
  padding: var(--space-4);
  border-radius: var(--radius-card);
  background: #07111e;
  color: var(--color-text);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.92rem;
}

.site-footer {
  color: var(--color-text-muted);
  background: #050b14;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-7) var(--space-5);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-5);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-links a {
  text-decoration: none;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

@media (max-width: 900px) {
  .hero-grid,
  .grid.three,
  .grid.two,
  .diagram,
  .specs {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }

  .nav-links {
    justify-content: flex-start;
    gap: var(--space-3);
  }

  .timeline-item,
  .roadmap-item,
  .footer-inner {
    grid-template-columns: 1fr;
  }
}

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