/* MeshWorld — main stylesheet */
:root {
  --bg:        #0a0e1a;
  --surface:   #111827;
  --surface2:  #1f2937;
  --surface3:  #2d3748;
  --accent:    #22d3ee;
  --accent2:   #818cf8;
  --accent3:   #34d399;
  --text:      #f1f5f9;
  --muted:     #94a3b8;
  --code-bg:   #0f172a;
  --border:    #1e293b;
  --danger:    #f87171;
  --warn:      #fbbf24;
  --radius:    8px;
  --radius-lg: 16px;
  --nav-h:     64px;
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.7;
  min-height: 100vh;
}

/* ── Scrollbar ───────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--surface3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ── Typography ──────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

p { color: var(--muted); max-width: 72ch; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #67e8f9; }

strong { color: var(--text); font-weight: 600; }
code { font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace; }

/* ── Navigation ──────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 2rem;
  gap: 2rem;
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); background: var(--surface2); }
.nav-links a.active { color: var(--accent); }

.nav-github {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text) !important;
  padding: 0.4rem 1rem !important;
  border-radius: var(--radius) !important;
  font-size: 0.85rem !important;
  transition: border-color var(--transition), background var(--transition) !important;
  white-space: nowrap;
}
.nav-github:hover { border-color: var(--accent); background: var(--surface3) !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  margin-left: auto;
  padding: 4px;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--muted);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ── Main layout ─────────────────────────────────────── */
main { padding-top: var(--nav-h); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

/* ── Hero ────────────────────────────────────────────── */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(34,211,238,0.12) 0%, transparent 70%),
              radial-gradient(ellipse 60% 50% at 80% 60%, rgba(129,140,248,0.08) 0%, transparent 60%),
              var(--bg);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34,211,238,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(34,211,238,0.1);
  border: 1px solid rgba(34,211,238,0.3);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero h1 { margin-bottom: 1.25rem; }
.hero h1 .accent { color: var(--accent); }
.hero h1 .accent2 { color: var(--accent2); }

.hero-sub {
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
  max-width: 60ch;
}

.btn-group { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #0a0e1a;
}
.btn-primary:hover { background: #67e8f9; color: #0a0e1a; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(34,211,238,0.25); }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); background: rgba(34,211,238,0.05); transform: translateY(-2px); }

/* ── Stats ───────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-top: 4rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  transition: border-color var(--transition);
}
.stat-card:hover { border-color: var(--accent); }

.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.35rem;
  font-variant-numeric: tabular-nums;
}
.stat-label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

/* ── Cards ───────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

.card-icon {
  width: 44px; height: 44px;
  background: rgba(34,211,238,0.1);
  border: 1px solid rgba(34,211,238,0.2);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}
.card-icon.purple { background: rgba(129,140,248,0.1); border-color: rgba(129,140,248,0.2); }
.card-icon.green  { background: rgba(52,211,153,0.1);  border-color: rgba(52,211,153,0.2); }

.card h3 { color: var(--text); margin-bottom: 0.5rem; }
.card p   { font-size: 0.9rem; }

/* ── Generator cards ─────────────────────────────────── */
.gen-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color var(--transition);
}
.gen-card:hover { border-color: var(--accent2); }
.gen-card h4 { color: var(--text); margin-bottom: 0.35rem; font-size: 0.95rem; }
.gen-card p  { font-size: 0.82rem; margin-bottom: 0.6rem; }
.gen-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent2);
  background: rgba(129,140,248,0.08);
  border: 1px solid rgba(129,140,248,0.15);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
}
.gen-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}
.tag-cpp  { background: rgba(251,191,36,0.12); color: var(--warn); border: 1px solid rgba(251,191,36,0.2); }
.tag-lua  { background: rgba(52,211,153,0.1);  color: var(--accent3); border: 1px solid rgba(52,211,153,0.2); }
.tag-zone { background: rgba(34,211,238,0.1);  color: var(--accent);  border: 1px solid rgba(34,211,238,0.2); }
.tag-obj  { background: rgba(129,140,248,0.1); color: var(--accent2); border: 1px solid rgba(129,140,248,0.2); }
.tag-bld  { background: rgba(248,113,113,0.1); color: var(--danger);  border: 1px solid rgba(248,113,113,0.2); }
.tag-room { background: rgba(167,139,250,0.1); color: #c4b5fd;        border: 1px solid rgba(167,139,250,0.2); }

/* ── Filter buttons ──────────────────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.filter-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: #0a0e1a; }

/* ── Code blocks ─────────────────────────────────────── */
.code-block {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 1.5rem 0;
}
.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
}
.code-dots { display: flex; gap: 6px; }
.code-dots span {
  width: 12px; height: 12px; border-radius: 50%;
}
.code-dots span:nth-child(1) { background: #ef4444; }
.code-dots span:nth-child(2) { background: #f59e0b; }
.code-dots span:nth-child(3) { background: #22c55e; }
.code-lang { color: var(--muted); font-family: monospace; font-size: 0.75rem; }
.code-copy {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition);
}
.code-copy:hover { color: var(--accent); border-color: var(--accent); }

pre {
  padding: 1.5rem 1.25rem;
  overflow-x: auto;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.7;
  color: #e2e8f0;
  tab-size: 4;
}

/* basic syntax-like coloring via class */
.kw  { color: #c084fc; }  /* keywords */
.str { color: #86efac; }  /* strings */
.cmt { color: #475569; font-style: italic; }  /* comments */
.fn  { color: #93c5fd; }  /* functions */
.num { color: #fda4af; }  /* numbers */
.var { color: #fde68a; }  /* variables */
.op  { color: #94a3b8; }  /* operators */

/* ── Pipeline diagram ────────────────────────────────── */
.pipeline {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin: 2rem 0;
}
.pipe-node {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 2rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
  min-width: 260px;
  transition: border-color var(--transition);
  position: relative;
}
.pipe-node:hover { border-color: var(--accent); }
.pipe-node.accent-node { border-color: var(--accent); color: var(--accent); background: rgba(34,211,238,0.05); }
.pipe-node.purple-node { border-color: var(--accent2); color: var(--accent2); background: rgba(129,140,248,0.05); }
.pipe-node sub { font-size: 0.72rem; color: var(--muted); font-weight: 400; display: block; margin-top: 2px; }

.pipe-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--muted);
  font-size: 0.75rem;
  padding: 0.25rem 0;
}
.pipe-arrow::before { content: '│'; color: var(--border); font-size: 1rem; }
.pipe-arrow::after  { content: '▼'; color: var(--accent); font-size: 0.8rem; }

.pipe-split {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
}

/* ── Timeline / Roadmap ──────────────────────────────── */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent2), var(--border));
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  padding-left: 1.5rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem; top: 0.35rem;
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: var(--bg);
}
.timeline-item.done::before { background: var(--accent); }
.timeline-item.planned::before { border-color: var(--accent2); }

.milestone-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.25rem;
}
.timeline-item.planned .milestone-label { color: var(--accent2); }

.timeline-item h3 { color: var(--text); font-size: 1rem; margin-bottom: 0.5rem; }
.timeline-item p  { font-size: 0.875rem; }

/* ── Badges ──────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}
.badge-done    { background: rgba(34,211,153,0.12); color: var(--accent3); border: 1px solid rgba(34,211,153,0.25); }
.badge-planned { background: rgba(129,140,248,0.12); color: var(--accent2); border: 1px solid rgba(129,140,248,0.25); }
.badge-wip     { background: rgba(251,191,36,0.12); color: var(--warn); border: 1px solid rgba(251,191,36,0.25); }

/* ── Tables ──────────────────────────────────────────── */
.table-wrap { overflow-x: auto; margin: 1.5rem 0; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
th {
  background: var(--surface2);
  color: var(--text);
  font-weight: 600;
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--border);
}
td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  vertical-align: top;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }
td code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--accent2);
}

/* ── ASCII art section ───────────────────────────────── */
.ascii-demo {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  font-family: 'JetBrains Mono', Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.4;
  color: #64748b;
  overflow-x: auto;
}
.ascii-demo .a-city { color: var(--accent); }
.ascii-demo .a-park { color: var(--accent3); }
.ascii-demo .a-road { color: var(--muted); }
.ascii-demo .a-sq   { color: var(--warn); }
.ascii-demo .a-apt  { color: var(--accent2); }
.ascii-demo .a-label { color: #475569; font-size: 0.7rem; }

/* ── Ecosystem graph ─────────────────────────────────── */
.eco-graph {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}
.eco-node {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: all var(--transition);
}
.eco-node:hover { border-color: var(--accent); transform: translateY(-2px); }
.eco-node.current { border-color: var(--accent); background: rgba(34,211,238,0.05); }
.eco-node h4 { color: var(--text); margin-bottom: 0.35rem; font-size: 0.95rem; }
.eco-node p  { font-size: 0.8rem; }
.eco-node .eco-lang {
  font-size: 0.7rem;
  color: var(--muted);
  font-family: monospace;
  margin-top: 0.5rem;
}

/* ── Feature detail sections ─────────────────────────── */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 5rem;
}
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }

@media (max-width: 768px) {
  .feature-row { grid-template-columns: 1fr; gap: 2rem; }
  .feature-row.reverse { direction: ltr; }
}

/* ── Divider ─────────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
  margin: 1rem 0;
}

/* ── Page header ─────────────────────────────────────── */
.page-header {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
  background: radial-gradient(ellipse 60% 100% at 20% 50%, rgba(129,140,248,0.07) 0%, transparent 70%);
}
.page-header h1 { margin-bottom: 0.75rem; }
.page-header p  { font-size: 1.05rem; }

/* ── API method docs ─────────────────────────────────── */
.api-method {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2rem;
}
.api-method-header {
  background: var(--surface2);
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.method-name {
  font-family: monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}
.method-sig { font-family: monospace; font-size: 0.85rem; color: var(--muted); }
.api-method-body { padding: 1.5rem; }
.params-table { width: 100%; font-size: 0.82rem; margin-top: 0.75rem; }
.params-table th { font-size: 0.75rem; }

/* ── Callout boxes ───────────────────────────────────── */
.callout {
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border-left: 3px solid;
  font-size: 0.9rem;
}
.callout-info  { background: rgba(34,211,238,0.06);  border-color: var(--accent);  color: #a5f3fc; }
.callout-warn  { background: rgba(251,191,36,0.07);  border-color: var(--warn);    color: #fde68a; }
.callout-tip   { background: rgba(52,211,153,0.06);  border-color: var(--accent3); color: #a7f3d0; }
.callout p     { color: inherit; max-width: none; }

/* ── Steps list ──────────────────────────────────────── */
.steps { counter-reset: step; list-style: none; }
.steps li {
  counter-increment: step;
  display: flex;
  gap: 1.25rem;
  margin-bottom: 2rem;
  align-items: flex-start;
}
.steps li::before {
  content: counter(step);
  flex-shrink: 0;
  width: 32px; height: 32px;
  background: rgba(34,211,238,0.12);
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: 0.15rem;
}
.steps li > div h4 { color: var(--text); margin-bottom: 0.35rem; }
.steps li > div p  { font-size: 0.9rem; margin-bottom: 0; }

/* ── Footer ──────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
  background: var(--surface);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand h3 { font-size: 1.1rem; color: var(--text); margin-bottom: 0.5rem; }
.footer-brand p  { font-size: 0.875rem; }
.footer-col h4   { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 1rem; }
.footer-col a    { display: block; color: var(--muted); font-size: 0.875rem; margin-bottom: 0.5rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--muted);
}

/* ── Animations ──────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,211,238,0); }
  50%       { box-shadow: 0 0 20px 4px rgba(34,211,238,0.15); }
}

.fade-in { opacity: 0; transition: opacity 0.6s ease, transform 0.6s ease; transform: translateY(20px); }
.fade-in.visible { opacity: 1; transform: translateY(0); }

.hero-content > * {
  animation: fadeInUp 0.7s ease both;
}
.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.2s; }
.hero-content > *:nth-child(3) { animation-delay: 0.3s; }
.hero-content > *:nth-child(4) { animation-delay: 0.4s; }
.hero-content > *:nth-child(5) { animation-delay: 0.5s; }

.glow { animation: pulse-glow 3s ease-in-out infinite; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 1.25rem; }
  .nav { padding: 0 1.25rem; gap: 1rem; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(10,14,26,0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem;
    gap: 0.25rem;
    z-index: 999;
  }
  .nav-hamburger { display: flex; }
  .nav-github { display: none; }
  .section { padding: 3.5rem 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .pipeline { align-items: stretch; }
  .pipe-node { min-width: unset; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .btn-group { flex-direction: column; }
  .btn { justify-content: center; }
}