:root {
  --bg-0: #04070d;
  --bg-1: #0a1322;
  --panel: #0d1828;
  --panel-2: #111f33;
  --line: #22405f;
  --text: #eaf4ff;
  --muted: #94aec8;
  --ok: #00e676;
  --warn: #ff5f87;
  --cyan: #2cc9ff;
  --amber: #ffbe55;
  --radius: 18px;
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Oxanium", sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 700px at 80% -20%, #10305a 0%, transparent 60%),
              radial-gradient(900px 700px at -10% 20%, #123226 0%, transparent 55%),
              linear-gradient(160deg, var(--bg-0), var(--bg-1));
  min-height: 100vh;
  overflow-x: hidden;
}

.bg-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(44, 201, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(44, 201, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at 50% 20%, black 20%, transparent 75%);
  z-index: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(44, 201, 255, 0.16);
  background: rgba(4, 7, 13, 0.76);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  box-shadow: var(--shadow);
}

.brand-title {
  font-weight: 700;
  letter-spacing: 0.4px;
}

.nav {
  display: flex;
  gap: 16px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
}

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

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 22px auto 48px;
  position: relative;
  z-index: 1;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 18px;
  align-items: stretch;
  margin-bottom: 24px;
}

.hero-left, .terminal, .card, .release-card, .faq-item {
  border: 1px solid rgba(44, 201, 255, 0.2);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(17, 31, 51, 0.7), rgba(8, 15, 26, 0.9));
  box-shadow: var(--shadow);
}

.hero-left {
  padding: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  font-family: "JetBrains Mono", monospace;
  color: var(--cyan);
  font-size: 12px;
}

h1, h2, h3 {
  margin: 0 0 10px;
  line-height: 1.05;
}

h1 {
  font-size: clamp(38px, 6vw, 64px);
}

h2 {
  font-size: clamp(26px, 4vw, 36px);
  margin-bottom: 14px;
}

.hero-sub {
  margin: 0;
  color: var(--muted);
  max-width: 60ch;
}

.hero-actions {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.meta {
  margin: 18px 0 0;
  padding-left: 18px;
  color: #bbd3ec;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.meta code {
  color: var(--cyan);
}

.ok { color: var(--ok); }
.warn { color: var(--warn); }

.terminal {
  position: relative;
  overflow: hidden;
  padding: 0;
}

.terminal::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -80px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, rgba(0, 230, 118, 0.14), transparent);
  animation: scan 3.2s linear infinite;
}

@keyframes scan {
  to { transform: translateY(380px); }
}

.terminal-head {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: #b4d9ff;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(44, 201, 255, 0.18);
}

#heroLog {
  margin: 0;
  padding: 14px;
  min-height: 260px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  line-height: 1.65;
  color: #93ffc0;
}

.card {
  padding: 16px;
}

.feature-grid, .docs-grid, .release-grid {
  display: grid;
  gap: 12px;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 24px;
}

.docs-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 24px;
}

.step {
  display: inline-flex;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  background: rgba(0, 230, 118, 0.14);
  color: var(--ok);
  margin-bottom: 8px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  border: 1px solid rgba(44, 201, 255, 0.26);
  background: rgba(10, 18, 31, 0.72);
  color: #c4ddf6;
  border-radius: 999px;
  padding: 8px 12px;
  cursor: pointer;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.chip.active {
  background: rgba(0, 230, 118, 0.18);
  border-color: rgba(0, 230, 118, 0.35);
  color: #d3ffe8;
}

.release-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 24px;
}

.release-card {
  padding: 14px;
}

.release-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.tag {
  font-size: 21px;
  font-weight: 700;
}

.channel {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  border: 1px solid rgba(255, 190, 85, 0.35);
  color: var(--amber);
  border-radius: 999px;
  padding: 3px 8px;
}

.release-meta {
  margin: 8px 0 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
}

.notes {
  margin: 0 0 12px;
  padding-left: 18px;
  color: #c7dff5;
  font-size: 14px;
}

.release-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 14px;
  text-decoration: none;
  cursor: pointer;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-sm {
  padding: 8px 11px;
  font-size: 13px;
}

.btn-primary {
  background: linear-gradient(90deg, #00e676, #2cc9ff);
  color: #04100d;
}

.btn-ghost {
  border-color: rgba(44, 201, 255, 0.4);
  color: #c8ddf2;
  background: rgba(10, 18, 31, 0.55);
}

.btn-inline {
  background: rgba(10, 18, 31, 0.65);
  border: 1px solid rgba(44, 201, 255, 0.28);
  color: #cfe6ff;
  border-radius: 10px;
  padding: 8px 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
}

.faq-item {
  margin-bottom: 10px;
  padding: 12px 14px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-item p {
  margin: 8px 0 0;
  color: var(--muted);
}

.footer {
  border-top: 1px solid rgba(44, 201, 255, 0.18);
  margin-top: 8px;
  padding: 18px 20px 26px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.footer a {
  color: var(--cyan);
  text-decoration: none;
  margin-left: 10px;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .45s ease, transform .45s ease;
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero { grid-template-columns: 1fr; }
  .feature-grid, .docs-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .release-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 740px) {
  .topbar {
    flex-wrap: wrap;
    justify-content: center;
  }
  .nav { width: 100%; justify-content: center; }
  .feature-grid, .docs-grid, .release-grid { grid-template-columns: 1fr; }
}