/* Sonar landing — charcoal + logo orange */
:root {
  --bg: #121212;
  --bg-elevated: #1a1a1a;
  --grid: rgba(245, 124, 0, 0.065);
  --accent: #f57c00;
  --accent-dim: rgba(245, 124, 0, 0.38);
  --text: #f0ebe5;
  --muted: #9a9188;
  --border: rgba(245, 124, 0, 0.16);
  --font-sans: "Outfit", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 12px;
  --header-h: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Background */
.radar-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 20%, transparent 70%);
}

.radar-sweep {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 140vmax;
  height: 140vmax;
  margin: -70vmax 0 0 -70vmax;
  background: conic-gradient(
    from 0deg at 50% 50%,
    transparent 0deg,
    transparent 340deg,
    rgba(245, 124, 0, 0.04) 350deg,
    rgba(245, 124, 0, 0.09) 360deg
  );
  animation: sweep 14s linear infinite;
  opacity: 0.9;
}

@keyframes sweep {
  to {
    transform: rotate(360deg);
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(18, 18, 18, 0.9);
  backdrop-filter: blur(12px);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
}

.logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo:hover {
  color: var(--accent);
}

.logo:hover .logo-img {
  filter: brightness(1.08);
}

.nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

.nav-cta {
  padding: 0.5rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--accent) !important;
}

.nav-cta:hover {
  background: rgba(245, 124, 0, 0.1);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--text);
}

.nav-mobile {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  z-index: 99;
  padding: 1rem 1.5rem 1.5rem;
  background: rgba(26, 26, 26, 0.98);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.nav-mobile[hidden] {
  display: none !important;
}

.nav-mobile-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.nav-mobile-inner a {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.nav-mobile-inner a:last-child {
  border-bottom: none;
  margin-top: 0.5rem;
  color: var(--accent);
}

@media (min-width: 900px) {
  .nav {
    display: flex;
  }
  .nav-toggle {
    display: none;
  }
  .nav-mobile {
    display: none !important;
  }
}

/* Main */
main {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

/* Hero */
.hero {
  padding: 3rem 0 4rem;
  text-align: center;
}

@media (min-width: 768px) {
  .hero {
    padding: 4rem 0 5rem;
  }
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.5rem;
}

.token-box {
  display: inline-flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding: 1rem 1.25rem;
  text-align: left;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 100%;
}

.token-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

.token-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.ca {
  font-family: var(--font-mono);
  font-size: clamp(0.65rem, 2vw, 0.8rem);
  word-break: break-all;
  color: var(--text);
  flex: 1;
  min-width: 0;
}

.copy-btn {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.copy-btn:hover {
  background: rgba(245, 124, 0, 0.08);
  border-color: var(--accent-dim);
}

.copy-btn.copied {
  color: var(--text);
  border-color: var(--accent);
}

.hero-title {
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  text-transform: capitalize;
}

.hero-title .accent {
  color: var(--accent);
  text-transform: none;
}

.hero-lead {
  max-width: 36rem;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
  color: var(--muted);
  font-weight: 300;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 8px;
  transition: transform 0.15s, background 0.2s, border-color 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent-dim);
  background: rgba(245, 124, 0, 0.05);
}

.radar-scan {
  position: relative;
  width: min(280px, 70vw);
  height: min(280px, 70vw);
  margin: 0 auto;
}

.radar-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
  z-index: 2;
}

.radar-ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  box-shadow: 0 0 60px rgba(245, 124, 0, 0.08), inset 0 0 40px rgba(245, 124, 0, 0.03);
}

.radar-ring::before,
.radar-ring::after {
  content: "";
  position: absolute;
  border: 1px solid var(--border);
  border-radius: 50%;
  opacity: 0.6;
}

.radar-ring::before {
  inset: 18%;
}

.radar-ring::after {
  inset: 36%;
}

.radar-scan::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg at 50% 50%,
    transparent 270deg,
    rgba(245, 124, 0, 0.12) 300deg,
    transparent 330deg
  );
  animation: sweep 6s linear infinite;
  pointer-events: none;
}

/* Sections */
.section {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

.section-head {
  margin-bottom: 2.5rem;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: capitalize;
  margin: 0 0 0.5rem;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-weight: 300;
  font-size: 1rem;
}

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

@media (min-width: 768px) {
  .cap-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.cap-card {
  padding: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.cap-card:hover {
  border-color: var(--accent-dim);
  box-shadow: 0 0 40px rgba(245, 124, 0, 0.06);
}

.cap-icon {
  display: block;
  font-size: 1.25rem;
  color: var(--accent);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}

.cap-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: capitalize;
  margin: 0 0 0.75rem;
  letter-spacing: 0.02em;
}

.cap-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 300;
  line-height: 1.6;
}

/* Architecture */
.arch-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-width: 520px;
  margin: 0 auto 1.5rem;
}

.arch-node {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-elevated);
  color: var(--muted);
  text-align: center;
  min-width: 140px;
}

.arch-node--core {
  color: var(--accent);
  border-color: var(--accent-dim);
  box-shadow: 0 0 24px rgba(245, 124, 0, 0.1);
}

.arch-connector {
  width: 1px;
  height: 24px;
  background: linear-gradient(var(--accent-dim), var(--border));
}

.arch-connector--branch {
  height: 20px;
}

.arch-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  margin-top: -1px;
  position: relative;
}

.arch-row::before {
  content: "";
  position: absolute;
  top: -20px;
  left: 50%;
  width: 1px;
  height: 20px;
  background: var(--border);
  transform: translateX(-50%);
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  background: rgba(18, 18, 18, 0.65);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: center;
}

.footer-links a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-copy {
  width: 100%;
  margin: 0;
  font-size: 0.75rem;
  color: var(--muted);
  opacity: 0.8;
}

@media (min-width: 640px) {
  .footer-copy {
    width: auto;
    margin-left: auto;
  }
}