/* ===================================================
   logcurse help site — "Amber Terminal" aesthetic
   =================================================== */

:root {
  --bg:         #0b0f14;
  --bg-surface: #111820;
  --bg-raised:  #19212d;
  --bg-alt:     #0e1219;
  --border:     #1e2a3a;

  --text:       #b8c4d4;
  --text-dim:   #6b7d94;
  --text-bright:#e4ecf5;

  --amber:      #f0a239;
  --amber-dim:  #9e6d28;
  --amber-glow: rgba(240, 162, 57, 0.12);
  --green:      #3dd68c;
  --red:        #e55561;
  --yellow:     #e2b86b;
  --blue:       #58a6ff;

  --font-display: 'Silkscreen', cursive;
  --font-heading: 'Inconsolata', monospace;
  --font-body:    'Nunito Sans', sans-serif;
  --font-mono:    'Inconsolata', monospace;

  --max-w: 960px;
  --nav-h: 56px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 24px); }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Grain overlay ── */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

/* ── Links ── */
a { color: var(--amber); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--text-bright); }

.link-arrow {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ── Nav ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: rgba(11, 15, 20, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.nav.scrolled { box-shadow: 0 2px 24px rgba(0,0,0,0.4); }
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--amber) !important;
  text-shadow: 0 0 20px var(--amber-glow);
}
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.03em;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--amber); }

/* ── Hero ── */
.hero {
  padding: calc(var(--nav-h) + 80px) 24px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.hero-terminal {
  width: 100%;
  max-width: 620px;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-surface);
  box-shadow:
    0 0 60px rgba(240, 162, 57, 0.06),
    0 20px 60px rgba(0,0,0,0.5);
  animation: fadeUp 0.8s ease-out both;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
}
.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.terminal-dot.red    { background: var(--red); }
.terminal-dot.yellow { background: var(--yellow); }
.terminal-dot.green  { background: var(--green); }
.terminal-title {
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
  margin-right: 48px;
}
.terminal-body { padding: 40px 32px 36px; }
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(42px, 8vw, 64px);
  color: var(--amber);
  line-height: 1;
  text-shadow: 0 0 40px rgba(240, 162, 57, 0.3);
  margin-bottom: 12px;
}
.hero-tagline {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--text-dim);
  line-height: 1.5;
  margin-bottom: 28px;
}
.hero-prompt {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--text-bright);
  min-height: 24px;
}
.prompt-symbol { color: var(--green); font-weight: 700; }
.cursor {
  color: var(--amber);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
  animation: fadeUp 0.8s 0.3s ease-out both;
}
.feature-pill {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  background: var(--bg-surface);
}

/* ── Sections ── */
.section {
  padding: 80px 24px;
}
.section-alt {
  background: var(--bg-alt);
}
.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.section-heading {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 900;
  color: var(--text-bright);
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}
.heading-accent {
  color: var(--amber);
  margin-right: 6px;
}
.subheading {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 12px;
}
.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: var(--amber-glow);
  color: var(--amber);
  padding: 2px 8px;
  border-radius: 4px;
  vertical-align: middle;
  margin-left: 6px;
}

p { margin-bottom: 14px; }
p:last-child { margin-bottom: 0; }

strong { color: var(--text-bright); }
em { color: var(--amber); font-style: normal; }

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-raised);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--amber);
}

kbd {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 7px;
  color: var(--text-bright);
  box-shadow: 0 1px 0 var(--border);
}

/* ── About grid ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-modes { display: flex; flex-direction: column; gap: 14px; }

.mode-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.2s;
}
.mode-card:hover { border-color: var(--amber-dim); }
.mode-card p { font-size: 14px; color: var(--text-dim); margin: 4px 0 0; }
.mode-card strong { font-size: 15px; }

.mode-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--amber-glow);
  border: 1px solid rgba(240, 162, 57, 0.15);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.04em;
}

/* ── Install ── */
.install-methods {
  display: grid;
  gap: 24px;
}
.install-card {
  position: relative;
  padding: 28px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.install-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 10px;
}
.install-card p {
  font-size: 15px;
  color: var(--text-dim);
}
.install-badge {
  position: absolute;
  top: -10px;
  right: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  background: var(--amber);
  color: var(--bg);
  border-radius: 4px;
}

.platform-table {
  width: 100%;
  margin: 16px 0 4px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 13px;
}
.platform-table th {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.platform-table td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(30,42,58,0.5);
  color: var(--text);
}
.platform-table code {
  background: none;
  padding: 0;
  font-size: inherit;
  color: var(--text-bright);
}

/* ── Docker columns ── */
.docker-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
.docker-col .code-block {
  margin: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.docker-col .code-block pre {
  flex: 1;
}

/* ── Code blocks ── */
.code-block {
  margin: 16px 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg);
}
.code-block-wide { max-width: 640px; }
.code-bar {
  padding: 8px 16px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}
.code-block pre {
  padding: 16px 20px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-bright);
}
.code-block code {
  background: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}
.c-comment { color: var(--text-dim); }
.c-key     { color: var(--blue); }
.c-val     { color: var(--green); }
.c-str     { color: var(--amber); }

/* ── Usage ── */
.usage-block {
  margin-bottom: 48px;
}
.usage-block:last-child { margin-bottom: 0; }

.keybind-table {
  width: 100%;
  margin: 16px 0;
  border-collapse: collapse;
}
.keybind-table th {
  text-align: left;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}
.keybind-table td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(30,42,58,0.4);
  font-size: 15px;
}
.keybind-table td:first-child {
  white-space: nowrap;
}

/* ── Format notes ── */
.format-notes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 28px;
}
.format-note {
  padding: 14px 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
}
.format-note strong {
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ── Footer ── */
.footer {
  padding: 32px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer-text {
  font-size: 14px;
  color: var(--text-dim);
}
.footer-logo {
  font-family: var(--font-display);
  color: var(--amber);
}

/* ── Responsive ── */
@media (max-width: 700px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .format-notes {
    grid-template-columns: 1fr;
  }
  .terminal-body {
    padding: 28px 20px;
  }
  .hero { padding-top: calc(var(--nav-h) + 48px); }
  .section { padding: 56px 18px; }
  .install-card { padding: 20px; }
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 13px; }
  .docker-columns { grid-template-columns: 1fr; }
}