@import url("https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Unbounded:wght@400;700&display=swap");

:root {
  color-scheme: dark;
  --bg: #07090b;
  --panel: rgba(14, 18, 22, 0.85);
  --panel-border: rgba(128, 255, 168, 0.25);
  --primary: #7dffad;
  --accent: #5bd1ff;
  --text: #e8f6ee;
  --muted: #9eb2a7;
  --danger: #ff4b6a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  background: radial-gradient(circle at top, rgba(125, 255, 173, 0.2), transparent 45%),
    radial-gradient(circle at 20% 30%, rgba(91, 209, 255, 0.18), transparent 35%),
    radial-gradient(circle at 80% 40%, rgba(255, 75, 106, 0.12), transparent 35%),
    linear-gradient(160deg, #050608, #0b1115 45%, #050608 100%);
  color: var(--text);
  overflow-x: hidden;
}

/* ---- Background layers ---- */

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(125, 255, 173, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 255, 173, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.6;
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 70% 10%, rgba(125, 255, 173, 0.18), transparent 45%),
    radial-gradient(circle at 10% 80%, rgba(91, 209, 255, 0.12), transparent 40%);
  mix-blend-mode: screen;
  pointer-events: none;
}

/* ---- Navigation ---- */

.topnav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px clamp(24px, 6vw, 96px);
  background: rgba(7, 9, 11, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(125, 255, 173, 0.1);
}

.nav-brand {
  font-family: Unbounded, "Space Mono", sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  transition: color 0.2s;
}

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

/* ---- Layout ---- */

main {
  position: relative;
  padding: 72px clamp(24px, 6vw, 96px) 96px;
  display: grid;
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto;
}

/* ---- Hero ---- */

.hero h1 {
  font-family: Unbounded, "Space Mono", sans-serif;
  font-size: clamp(42px, 8vw, 92px);
  margin: 12px 0 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-size: 12px;
  color: var(--accent);
}

.tagline {
  font-size: clamp(16px, 2.2vw, 22px);
  max-width: 620px;
  color: var(--muted);
}

.hero-art {
  margin-top: 28px;
  width: min(100%, 820px);
  border-radius: 18px;
  border: 1px solid rgba(125, 255, 173, 0.2);
  background: rgba(5, 10, 12, 0.4);
  box-shadow: 0 0 30px rgba(125, 255, 173, 0.15);
}

.cta-row {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ---- Buttons ---- */

.btn {
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 6px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn.primary {
  background: var(--primary);
  color: #05110a;
  box-shadow: 0 0 18px rgba(125, 255, 173, 0.4);
}

.btn.primary:hover {
  transform: translateY(-2px);
}

.btn.ghost {
  border: 1px solid var(--panel-border);
  color: var(--text);
  background: rgba(14, 18, 22, 0.7);
}

.btn.ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 11px;
}

/* ---- Stats ---- */

.stats {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
}

.stats .label {
  display: block;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.stats .value {
  font-size: 14px;
  margin-top: 4px;
}

/* ---- Panels & Cards ---- */

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 28px;
  box-shadow: 0 0 24px rgba(5, 10, 8, 0.8);
}

.panel h2 {
  margin-top: 0;
  font-family: Unbounded, "Space Mono", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 18px;
}

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
  background: rgba(5, 10, 12, 0.6);
  border: 1px solid rgba(91, 209, 255, 0.2);
  border-radius: 12px;
  padding: 18px;
}

.card h3 {
  margin-top: 0;
  color: var(--primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 14px;
}

.section-h3 {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 13px;
  margin-top: 0;
}

/* ---- Stack list ---- */

.stack {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}

.stack li {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed rgba(125, 255, 173, 0.2);
  padding-bottom: 8px;
  gap: 16px;
  font-size: 13px;
}

.stack li span {
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 11px;
  white-space: nowrap;
}

/* ---- Code blocks ---- */

.code-block {
  background: rgba(5, 10, 12, 0.8);
  border: 1px solid rgba(91, 209, 255, 0.15);
  border-radius: 10px;
  padding: 18px;
  overflow-x: auto;
  margin: 16px 0;
}

.code-block pre {
  margin: 0;
}

.code-block code {
  font-family: "Space Mono", monospace;
  font-size: 13px;
  color: var(--primary);
  line-height: 1.6;
}

code {
  font-family: "Space Mono", monospace;
  color: var(--accent);
  font-size: 0.9em;
}

/* ---- Tables ---- */

.cmd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-top: 12px;
}

.cmd-table th {
  text-align: left;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 11px;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(91, 209, 255, 0.3);
}

.cmd-table td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(125, 255, 173, 0.08);
}

.opt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-top: 8px;
}

.opt-table th {
  text-align: left;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 11px;
  padding: 6px 10px;
  border-bottom: 1px solid rgba(91, 209, 255, 0.3);
}

.opt-table td {
  padding: 6px 10px;
  border-bottom: 1px solid rgba(125, 255, 173, 0.08);
  vertical-align: top;
}

.opt-table td:first-child {
  white-space: nowrap;
}

/* ---- Check list ---- */

.check-list {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}

.check-list li {
  padding: 4px 0 4px 20px;
  position: relative;
  font-size: 13px;
  line-height: 1.5;
}

.check-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--primary);
}

/* ---- Precedence list ---- */

.precedence {
  padding-left: 20px;
  font-size: 13px;
  line-height: 1.8;
}

.precedence li::marker {
  color: var(--accent);
}

/* ---- Notes ---- */

.note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
  font-style: italic;
}

/* ---- Footer ---- */

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.footer a {
  color: var(--accent);
  text-decoration: none;
}

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

/* ---- Scanlines ---- */

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.04),
    rgba(255, 255, 255, 0.04) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: soft-light;
  opacity: 0.5;
  animation: flicker 4s infinite;
}

@keyframes flicker {
  0%, 100% {
    opacity: 0.4;
  }
  50% {
    opacity: 0.7;
  }
}

/* ---- Responsive ---- */

@media (max-width: 720px) {
  .cta-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .stack li {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    gap: 12px;
  }

  .nav-links a {
    font-size: 10px;
  }

  .cmd-table {
    font-size: 11px;
  }

  .cmd-table th,
  .cmd-table td {
    padding: 6px 6px;
  }
}