:root {
  --ink: #0b1220;
  --ink-soft: #121a2b;
  --panel: #162033;
  --line: rgba(125, 211, 252, 0.18);
  --text: #e8eef7;
  --muted: #93a4bd;
  --cyan: #5eead4;
  --cyan-deep: #2dd4bf;
  --amber: #fbbf24;
  --danger: #fb7185;
  --glow: rgba(45, 212, 191, 0.22);
  --radius: 18px;
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(45, 212, 191, 0.12), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(251, 191, 36, 0.08), transparent 55%),
    linear-gradient(180deg, var(--ink) 0%, #070b14 100%);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, black, transparent 85%);
  z-index: 0;
}

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(11, 18, 32, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}

.brand:hover {
  text-decoration: none;
}

.brand-logo {
  width: 2.35rem;
  height: 2.35rem;
  object-fit: contain;
  border-radius: 0.55rem;
  background: #000;
  box-shadow: 0 0 0 1px rgba(94, 234, 212, 0.25), 0 8px 24px var(--glow);
}

.brand-logo-wide {
  height: 2.6rem;
  width: auto;
  max-width: 9.5rem;
  object-fit: contain;
  border-radius: 0.4rem;
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.65rem;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--cyan), #0ea5e9);
  color: #042f2e;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 0 0 1px rgba(94, 234, 212, 0.35), 0 10px 30px var(--glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.8rem 1.25rem;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
  color: #042f2e;
  box-shadow: 0 12px 40px var(--glow);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--text);
  background: rgba(22, 32, 51, 0.65);
}

.hero {
  padding: 4.5rem 0 3.5rem;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: 1.05fr 0.95fr;
    padding-top: 5.5rem;
  }
}

.hero-copy {
  max-width: 36rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(94, 234, 212, 0.15);
  animation: pulse 2.4s ease-in-out infinite;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.hero h1 span {
  color: var(--cyan);
}

.hero-lead {
  margin: 1.15rem 0 1.75rem;
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 34rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.blueprint {
  position: relative;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  background:
    linear-gradient(180deg, rgba(22, 32, 51, 0.95), rgba(11, 18, 32, 0.92));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  min-height: 360px;
}

.blueprint-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.dots {
  display: flex;
  gap: 0.35rem;
}

.dots span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #334155;
}

.dots span:nth-child(1) { background: #fb7185; }
.dots span:nth-child(2) { background: #fbbf24; }
.dots span:nth-child(3) { background: #34d399; }

.channel-list {
  padding: 1rem 1.1rem 1.4rem;
  display: grid;
  gap: 0.35rem;
}

.cat {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.chan {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.55rem;
  border-radius: 0.55rem;
  color: #cbd5e1;
  font-size: 0.95rem;
  opacity: 0;
  transform: translateY(6px);
  animation: rise 0.55s ease forwards;
}

.chan:nth-child(2) { animation-delay: 0.08s; }
.chan:nth-child(3) { animation-delay: 0.16s; }
.chan:nth-child(4) { animation-delay: 0.24s; }
.chan:nth-child(6) { animation-delay: 0.32s; }
.chan:nth-child(7) { animation-delay: 0.4s; }
.chan:nth-child(8) { animation-delay: 0.48s; }
.chan:nth-child(10) { animation-delay: 0.56s; }
.chan:nth-child(11) { animation-delay: 0.64s; }

.chan.active {
  background: rgba(94, 234, 212, 0.1);
  color: var(--text);
}

.chan .hash {
  color: var(--cyan);
  font-family: var(--font-mono);
}

.section {
  padding: 3.5rem 0;
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2rem;
}

.section-head h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.grid-3 {
  display: grid;
  gap: 1rem;
}

@media (min-width: 800px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  background: rgba(22, 32, 51, 0.55);
}

.feature h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.feature .tag {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber);
}

.commands {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(22, 32, 51, 0.55);
}

.cmd-row {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 1rem;
  padding: 0.85rem 1.1rem;
  border-top: 1px solid var(--line);
  align-items: start;
}

.cmd-row:first-child {
  border-top: 0;
}

.cmd-row code {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 0.9rem;
}

.cmd-row span {
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .cmd-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .nav-links {
    display: none;
  }
}

.legal-page {
  padding: 3rem 0 4rem;
}

.legal-page h1 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
}

.legal-meta {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  margin-bottom: 2rem;
}

.legal-content {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(22, 32, 51, 0.45);
  padding: 1.5rem;
}

.legal-content h2 {
  margin: 1.75rem 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--muted);
}

.legal-content ul {
  padding-left: 1.2rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.5rem;
  margin-top: 2rem;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.85); opacity: 0.7; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .chan,
  .reveal,
  .eyebrow::before {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}