/* ============================================================
   DemandSphere Design System
   ============================================================ */

/* ── Fonts ───────────────────────────────────────────────── */
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-latin.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-latin-italic.woff2') format('woff2');
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/jetbrains-mono-latin.woff2') format('woff2');
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('../fonts/dm-sans-latin.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ── Variables ────────────────────────────────────────────── */
:root {
  --bg:         #0c0f14;
  --surface:    #131820;
  --overlay:    #1a2130;
  --border:     #252d38;
  --border-hi:  #3c4046;
  --text:       #e2e8f0;
  --muted:      #8b9bb0;
  --faint:      #2a3340;
  --slate:      #94a3b8;

  --blue:       #3b82f6;
  --blue-lt:    #60a5fa;
  --violet:     #7c3aed;
  --vlt:        #a78bfa;
  --emerald:    #10b981;
  --emerald-lt: #34d399;
  --amber:      #f59e0b;
  --amber-lt:   #fbbf24;
  --red:        #ef4444;

  --nav-h: 52px;
  --wrap:  1080px;
  --rad:   10px;
  --rad-lg:12px;
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { font-family: inherit; }

/* ── Typography helpers ───────────────────────────────────── */
.h-xl {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: #fff;
}
.h-lg {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: #fff;
}
.h-md {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  display: block;
}
.mono { font-family: 'JetBrains Mono', monospace; }

/* ── Layout ───────────────────────────────────────────────── */
.wrap       { max-width: var(--wrap); margin: 0 auto; padding: 0 32px; }
.section    { padding: 88px 0; }
.section-sm { padding: 56px 0; }
hr.rule     { border: none; border-top: 1px solid var(--border); margin: 38px 0 10px 0; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  padding: 9px 20px;
  border-radius: 7px;
  cursor: pointer;
  transition: all .15s;
  border: none;
  font-family: 'Inter', sans-serif;
}
.btn-lg { font-size: 14px; padding: 12px 28px; }
.btn-sm { font-size: 12px; padding: 7px 16px; }

.btn-violet { background: var(--violet); color: #fff; }
.btn-violet:hover { background: #6d28d9; transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--slate);
  border: 1px solid var(--border-hi);
}
.btn-ghost:hover { border-color: var(--vlt); color: var(--text); }

.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: #2563eb; transform: translateY(-1px); }

.btn-emerald { background: var(--emerald); color: #fff; }
.btn-emerald:hover { background: #059669; transform: translateY(-1px); }
.btn-amber { background: var(--amber); color: #000; }
.btn-amber:hover { background: #d97706; transform: translateY(-1px); }
.btn-slate { background: var(--slate); color: #000; }
.btn-slate:hover { background: #78909c; transform: translateY(-1px); }

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--rad);
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--border-hi); }
.card-violet:hover { border-color: var(--violet); }
.card-blue:hover   { border-color: var(--blue); }
.card-emerald:hover{ border-color: var(--emerald); }

/* ── Tags / badges ───────────────────────────────────────── */
.tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}
.tag-violet  { background: rgba(124,58,237,.15);  color: var(--vlt); }
.tag-blue    { background: rgba(59,130,246,.12);  color: var(--blue-lt); }
.tag-emerald { background: rgba(16,185,129,.12);  color: var(--emerald-lt); }
.tag-amber   { background: rgba(245,158,11,.12);  color: var(--amber-lt); }
.tag-slate   { background: rgba(100,116,139,.1);  color: var(--slate); }

/* ── Pillar grid ─────────────────────────────────────────── */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  border: 1px solid var(--border);
  border-radius: var(--rad);
  overflow: hidden;
}
.pillar {
  padding: 28px 24px 22px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  transition: background .18s;
  display: block;
  color: inherit;
}
.pillar:last-child { border-right: none; }
.pillar:hover { background: var(--overlay); }
.pillar-bar { width: 26px; height: 2px; border-radius: 2px; margin-bottom: 18px; }
.pillar h4 { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 5px; }
.pillar p  { font-size: 12px; color: var(--muted); line-height: 1.5; margin-bottom: 14px; }
.pillar-link { font-size: 11px; font-family: 'JetBrains Mono', monospace; }

/* ── Feature grid (3-col) ────────────────────────────────── */
.feat-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.feat-card { background: var(--surface); border: 1px solid var(--border-hi); border-radius: 10px; padding: 28px; transition: border-color .15s; }
.feat-card:hover { border-color: var(--vlt); }
.feat-card .tag { margin-bottom: 14px; }
.feat-card h4 { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 10px; }
.feat-card p  { font-size: 13px; color: var(--muted); line-height: 1.65; }
.feat-items { margin-top: 14px; display: flex; flex-direction: column; gap: 6px; }
.feat-item {
  font-size: 12px; color: var(--muted);
  display: flex; align-items: flex-start; gap: 8px;
}
.feat-item::before {
  content: '';
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--border-hi); flex-shrink: 0; margin-top: 6px;
}

/* ── Ledger (product table) ──────────────────────────────── */
.ledger-row {
  display: grid;
  grid-template-columns: 220px 1fr 60px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  align-items: center;
  transition: all .12s;
  color: inherit;
}
.ledger-row:first-of-type { border-top: 1px solid var(--border); }
.ledger-row:hover .ledger-name { color: var(--vlt); }
.ledger-row:hover .ledger-arrow { opacity: 1; }
.ledger-name  { font-size: 14px; font-weight: 500; color: var(--text); transition: color .12s; }
.ledger-desc  { font-size: 12px; color: var(--muted); padding-right: 32px; }
.ledger-arrow { font-size: 12px; color: var(--muted); text-align: right; opacity: 0; font-family: 'JetBrains Mono', monospace; transition: opacity .12s; }

/* ── Pricing grid ────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--rad-lg);
  overflow: hidden;
}
.pricing-col { background: var(--surface); padding: 28px 24px; }
.pricing-col.featured { background: var(--overlay); }
.pricing-tier { font-family: 'JetBrains Mono', monospace; font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 14px; display: block; }
.pricing-amount { font-size: 1.9rem; font-weight: 700; color: var(--text); letter-spacing: -0.03em; margin-bottom: 4px; }
.pricing-amount span { font-size: 12px; font-weight: 400; color: var(--muted); }
.pricing-desc { font-size: 12px; color: var(--muted); margin-bottom: 20px; line-height: 1.5; }
.pricing-items { display: flex; flex-direction: column; gap: 8px; margin-bottom: 22px; }
.pricing-item { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.pricing-item::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--border-hi); flex-shrink: 0; }

/* ── Three-col experience grid ───────────────────────────── */
.exp-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--rad);
  overflow: hidden;
  margin-top: 48px;
}
.exp-cell { background: var(--surface); padding: 40px 32px; }
.exp-num  { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--border-hi); margin-bottom: 20px; display: block; }
.exp-cell h3 { font-size: 18px; font-weight: 600; color: var(--text); letter-spacing: -0.02em; margin-bottom: 12px; }
.exp-cell p  { font-size: 13px; color: var(--muted); line-height: 1.7; }

/* ── Tools grid ──────────────────────────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--rad);
  overflow: hidden;
}
.tool-cell { background: var(--surface); padding: 20px; transition: background .15s; }
.tool-cell:hover { background: var(--overlay); }
.tool-name { font-size: 13px; font-weight: 500; color: var(--text); margin-bottom: 6px; }
.tool-desc { font-size: 12px; color: var(--muted); line-height: 1.5; margin-bottom: 14px; }
.tool-link { font-size: 11px; font-family: 'JetBrains Mono', monospace; color: var(--muted); transition: color .15s; }
.tool-cell:hover .tool-link { color: var(--vlt); }

/* ── FOUND Conference cards ──────────────────────────────── */
.found-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 16px;
  margin-top: 36px;
}
.found-card { background: var(--surface); border: 1px solid var(--border-hi); border-radius: 10px; padding: 24px; transition: border-color .15s; }
.found-card:hover { border-color: var(--border-hi); }
.found-date { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 10px; display: block; }
.found-card h4 { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.found-card p  { font-size: 12px; color: var(--muted); line-height: 1.5; }

/* ── CTA band ────────────────────────────────────────────── */
.cta-band {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--rad);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h3 { font-size: 1.1rem; font-weight: 600; color: var(--text); letter-spacing: -0.01em; margin-bottom: 4px; }
.cta-band p  { font-size: 13px; color: var(--muted); }
.cta-btns   { display: flex; gap: 10px; flex-shrink: 0; justify-content: center; flex-wrap: wrap; }

/* ── Quote block ─────────────────────────────────────────── */
.quote-block { padding-left: 24px; }
.quote-block p { font-size: 1.1rem; font-weight: 300; font-style: italic; color: var(--slate); line-height: 1.65; }

/* ── Stat/number display ─────────────────────────────────── */
.stat-num { font-size: 2.8rem; font-weight: 700; letter-spacing: -0.04em; line-height: 1; }

/* ── LLM logo strip ──────────────────────────────────────── */
.llm-logos { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.llm-logo  { height: 32px; width: auto; opacity: 0.6; filter: grayscale(1); transition: opacity .15s, filter .15s; }
.llm-logo:hover { opacity: 1; filter: none; }

/* ── Marketecture SVG wrapper ────────────────────────────── */
.marketecture { display: block; width: 100%; }

/* ── Product hero (feature pages) ───────────────────────── */
.product-hero {
  padding: 56px 32px 40px;
  max-width: var(--wrap);
  margin: 0 auto;
  text-align: center;
}
.product-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.product-hero h1 { margin-bottom: 14px; max-width: 680px; margin-left: auto; margin-right: auto; }
.product-hero .subtitle {
  font-size: 15px;
  color: var(--muted);
  max-width: 520px;
  line-height: 1.65;
  margin: 0 auto 28px;
}
.hero-ctas { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 32px;
  margin-bottom: 16px;
}
.stat-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--rad); padding: 14px 16px; }
.stat-value { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1; margin-bottom: 4px; }
.stat-label { font-size: 11px; color: var(--muted); }

/* ── Page section helpers ────────────────────────────────── */
.section-label { margin-bottom: 16px; }
.section-header { margin-bottom: 48px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p  { font-size: 14px; color: var(--muted); max-width: 480px; line-height: 1.65; }

/* ── Two-column grid ─────────────────────────────────────── */
.two-col   { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.three-col { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }

/* ── Comparison table ────────────────────────────────────── */
.comp-table { border-collapse: collapse; width: 100%; }
.comp-table th {
  padding: 14px 16px; text-align: left;
  font-size: 11px; font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--muted); border-bottom: 1px solid var(--border);
}
.comp-table td { padding: 12px 16px; font-size: 13px; border-bottom: 1px solid var(--border); color: var(--muted); }
.comp-table tr:last-child td { border-bottom: none; }
.comp-table .ds-row td { background: rgba(124,58,237,.06); }
.comp-table td:first-child { color: var(--text); font-weight: 500; }
.check   { color: var(--emerald-lt); }
.partial { color: var(--amber-lt); }
.cross   { color: var(--muted); }

/* ── Accordion (FAQ) ─────────────────────────────────────── */
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-item:first-child { border-top: 1px solid var(--border); }
.accordion-trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0; background: none; border: none; cursor: pointer;
  font-size: 14px; font-weight: 500; color: var(--text); text-align: left;
  transition: color .15s;
}
.accordion-trigger:hover { color: var(--vlt); }
.accordion-trigger svg { flex-shrink: 0; transition: transform .2s; }
.accordion-item.open .accordion-trigger svg { transform: rotate(180deg); }
.accordion-body { display: none; padding: 0 0 20px; font-size: 13px; color: var(--muted); line-height: 1.7; max-width: 680px; }
.accordion-item.open .accordion-body { display: block; }
.accordion-body a { color: var(--vlt); text-decoration: underline; text-decoration-color: rgba(167,139,250,.4); text-underline-offset: 2px; }
.accordion-body a:hover { text-decoration-color: var(--vlt); }

/* ════════════════════════════════════
   NAV
════════════════════════════════════ */
.ds-nav {
  position: sticky; top: 0; z-index: 200;
  height: var(--nav-h);
  background: rgba(12,15,20,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--wrap); margin: 0 auto; padding: 0 32px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
  position: relative;
}
.nav-left  { display: flex; align-items: center; gap: 36px; }
.nav-logo img { height: 26px; display: block; }
.nav-links { display: flex; align-items: center; gap: 4px; }

.nav-btn, .nav-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 13px; color: var(--muted);
  padding: 6px 10px; border-radius: 6px;
  background: none; border: none; cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: color .15s, background .15s;
  white-space: nowrap;
}
.nav-btn:hover, .nav-link:hover { color: var(--text); background: rgba(255,255,255,.04); }
.nav-btn svg { transition: transform .15s; color: var(--muted); }
.nav-item.open .nav-btn svg { transform: rotate(180deg); }
.nav-item.open .nav-btn { color: var(--text); background: rgba(255,255,255,.04); }
.nav-link.active { color: var(--text); }

.nav-right { display: flex; align-items: center; gap: 10px; }
.nav-signin { font-size: 13px; color: var(--muted); transition: color .15s; padding: 6px 4px; }
.nav-signin:hover { color: var(--text); }

.nav-btn-ghost {
  font-size: 12px; font-weight: 500; padding: 7px 14px; border-radius: 6px;
  border: 1px solid var(--border-hi); color: var(--slate);
  background: none; cursor: pointer; font-family: 'Inter', sans-serif;
  transition: all .15s;
}
.nav-btn-ghost:hover { border-color: var(--vlt); color: var(--text); }

.nav-btn-violet {
  font-size: 12px; font-weight: 500; padding: 7px 14px; border-radius: 6px;
  background: var(--violet); color: #fff; border: none; cursor: pointer;
  font-family: 'Inter', sans-serif; transition: background .15s, transform .15s;
}
.nav-btn-violet:hover { background: #6d28d9; transform: translateY(-1px); }

.mobile-toggle {
  display: none; background: none; border: none; cursor: pointer;
  color: var(--muted); padding: 4px;
}

/* ── Dropdown shell ── */
.nav-item { position: relative; }
.nav-drop {
  position: absolute; top: calc(100% + 8px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--rad);
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
  opacity: 0; pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 120ms ease, transform 120ms ease;
  z-index: 300;
}
.nav-drop.visible { opacity: 1; pointer-events: all; transform: translateY(0); }

/* Platform mega */
.drop-platform { left: 0; width: 760px; display: flex; overflow: hidden; }
.plat-left {
  width: 224px; flex-shrink: 0;
  background: var(--overlay); border-right: 1px solid var(--border);
  padding: 16px 12px; display: flex; flex-direction: column;
}
.plat-section-label {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--border-hi); padding: 6px 10px 8px;
}
.plat-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 10px; border-radius: 7px;
  font-size: 13px; color: var(--muted);
  cursor: pointer; transition: all .12s;
  border: 1px solid transparent;
}
.plat-item:hover, .plat-item.active {
  color: var(--text); background: var(--surface); border-color: var(--border);
}
.plat-item.active { color: var(--vlt); }
.plat-item svg { flex-shrink: 0; opacity: .4; }
.plat-item.active svg, .plat-item:hover svg { opacity: 1; }
.plat-cta { margin-top: auto; padding: 14px 10px 6px; border-top: 1px solid var(--border); }
.plat-cta p { font-size: 11px; color: var(--muted); line-height: 1.5; margin-bottom: 10px; }
.plat-cta a {
  display: block; text-align: center; font-size: 12px; font-weight: 500;
  padding: 8px; border-radius: 6px; background: var(--violet); color: #fff;
  transition: background .15s;
}
.plat-cta a:hover { background: #6d28d9; }
.plat-right { flex: 1; padding: 20px 24px; overflow: hidden; }
.plat-panel { display: none; }
.plat-panel.active { display: block; }
.plat-panel-title {
  font-size: 12px; font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--muted); margin-bottom: 14px;
}
.plat-features { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.plat-feat {
  display: flex; align-items: center;
  padding: 8px 10px; border-radius: 6px;
  font-size: 13px; color: var(--muted);
  transition: all .12s;
}
.plat-feat:hover { color: var(--text); background: var(--overlay); }
.plat-feat::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%;
  background: var(--border-hi); flex-shrink: 0; margin-right: 8px;
  transition: background .12s;
}
.plat-feat:hover::before { background: var(--vlt); }

/* Solutions mega */
.drop-solutions {
  left: -60px; width: 860px;
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  overflow: hidden;
}
.sol-col { padding: 20px 20px 16px; border-right: 1px solid var(--border); }
.sol-col:last-child { border-right: none; }
.sol-col-label {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--border-hi); margin-bottom: 10px; padding-left: 2px;
}
.sol-item {
  display: block; padding: 7px 10px; border-radius: 6px;
  font-size: 13px; color: var(--muted); transition: all .12s;
}
.sol-item:hover { color: var(--text); background: var(--overlay); }
.sol-item.featured { color: var(--vlt); font-weight: 500; }
.sol-item.featured:hover { background: rgba(124,58,237,.1); }
.sol-cta { margin-top: 14px; padding: 14px 10px 0; border-top: 1px solid var(--border); }
.sol-cta p { font-size: 11px; color: var(--muted); margin-bottom: 8px; }
.sol-cta a {
  font-size: 12px; font-weight: 500; color: var(--vlt);
  padding: 7px 10px; border-radius: 6px;
  border: 1px solid rgba(124,58,237,.3); display: inline-block;
  transition: all .12s;
}
.sol-cta a:hover { background: rgba(124,58,237,.1); }

/* Tools dropdown */
.drop-tools { left: 0; width: 240px; padding: 10px; }
.drop-resources { left: 0; width: 240px; padding: 10px; }
.tool-drop-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 10px; border-radius: 7px;
  font-size: 13px; color: var(--muted); transition: all .12s;
}
.tool-drop-item:hover { color: var(--text); background: var(--overlay); }

/* ── Mobile menu ── */
.mobile-menu {
  display: none;
  position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: var(--bg); overflow-y: auto;
  border-top: 1px solid var(--border); z-index: 199;
}
.mobile-menu.open { display: block; }
.mob-section {}
.mob-toggle {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 16px 24px;
  background: none; border: none; border-bottom: 1px solid var(--border);
  color: var(--text); font-size: 15px; font-weight: 500;
  font-family: 'Inter', sans-serif; cursor: pointer;
}
.mob-toggle svg { transition: transform .2s; color: var(--muted); flex-shrink: 0; }
.mob-section.open .mob-toggle svg { transform: rotate(180deg); }
.mob-link {
  display: block; padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  font-size: 15px; font-weight: 500; color: var(--text);
}
.mob-content { display: none; background: var(--surface); border-bottom: 1px solid var(--border); }
.mob-section.open .mob-content { display: block; }
.mob-group { padding: 16px 24px; border-bottom: 1px solid var(--border); }
.mob-group:last-child { border-bottom: none; }
.mob-group-label {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--border-hi); margin-bottom: 10px;
}
.mob-item { display: block; padding: 7px 0; font-size: 13px; color: var(--muted); transition: color .12s; }
.mob-item:hover { color: var(--text); }
.mob-item.featured { color: var(--vlt); font-weight: 500; }
.mob-actions { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.mob-actions .nav-btn-ghost,
.mob-actions .nav-btn-violet { width: 100%; text-align: center; padding: 12px; font-size: 14px; border-radius: 7px; }
.mob-actions .nav-signin { display: block; text-align: center; padding: 8px; }

/* ════════════════════════════════════
   FOOTER
════════════════════════════════════ */
.ds-footer { border-top: 1px solid var(--border); padding: 48px 32px 36px; background: var(--bg); }
.footer-inner {
  max-width: var(--wrap); margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 32px; margin-bottom: 40px;
}
.footer-brand p { font-size: 12px; color: var(--muted); line-height: 1.7; margin-top: 14px; }
.footer-col-label {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--border-hi); margin-bottom: 14px; display: block;
}
.footer-links { display: flex; flex-direction: column; gap: 9px; }
.footer-links a { font-size: 12px; color: var(--muted); transition: color .15s; }
.footer-links a:hover { color: var(--slate); }
.footer-bottom {
  max-width: var(--wrap); margin: 0 auto;
  padding-top: 24px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom span { font-size: 11px; font-family: 'JetBrains Mono', monospace; color: var(--border-hi); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 11px; color: var(--muted); transition: color .15s; }
.footer-bottom-links a:hover { color: var(--slate); }

/* ════════════════════════════════════
   RESPONSIVE
════════════════════════════════════ */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-right  { display: none; }
  .mobile-toggle { display: flex; }

  .pillar-grid  { grid-template-columns: 1fr 1fr; }
  .feat-grid    { grid-template-columns: 1fr; }
  .exp-grid     { grid-template-columns: 1fr; }
  .tools-grid   { grid-template-columns: 1fr 1fr; }
  .found-grid   { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .two-col      { grid-template-columns: 1fr; gap: 40px; }
  .three-col    { grid-template-columns: 1fr; }
  .ledger-row   { grid-template-columns: 1fr; gap: 4px; }
  .ledger-arrow { display: none; }

  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

  .wrap { padding: 0 20px; }
  .product-hero { padding: 40px 20px 32px; }
}

@media (max-width: 600px) {
  .pillar-grid { grid-template-columns: 1fr; }
  .tools-grid  { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .cta-btns { width: 100%; }
  .cta-btns .btn { flex: 1; text-align: center; }
  .llm-logo { height: 24px; }
  .hub-stats { gap: 16px; }
}

/* ── Dashboard mockup (homepage) ──────────────────── */
.screen-frame { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.screen-chrome { padding: 10px 14px; background: var(--overlay); border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 6px; }
.kpi-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; margin-bottom: 16px; }
.kpi { background: var(--overlay); border-radius: 7px; padding: 12px 14px; border: 1px solid var(--border); }
.kpi-label { font-size: 10px; color: var(--muted); margin-bottom: 4px; font-family: 'JetBrains Mono', monospace; text-transform: uppercase; letter-spacing: 0.06em; }
.kpi-val { font-size: 18px; font-weight: 700; letter-spacing: -0.02em; }
.kpi-delta { font-size: 10px; margin-top: 2px; font-family: 'JetBrains Mono', monospace; }
.chart-area { background: var(--overlay); border-radius: 7px; border: 1px solid var(--border); padding: 14px; margin-bottom: 14px; }
.mention-list { display: flex; flex-direction: column; gap: 6px; }
.mention-row { display: flex; align-items: center; padding: 7px 10px; background: var(--overlay); border-radius: 6px; border: 1px solid var(--border); gap: 12px; }
.mention-name { font-size: 11px; color: var(--text); font-family: 'JetBrains Mono', monospace; width: 72px; flex-shrink: 0; }
.mention-bar-wrap { flex: 1; height: 3px; background: var(--border); border-radius: 2px; }
.mention-bar { height: 100%; border-radius: 2px; }
.mention-pct { font-size: 10px; font-family: 'JetBrains Mono', monospace; color: var(--muted); width: 28px; text-align: right; }

/* ── Trusted-by grid (homepage) ────────────────────── */
.trusted-grid { display: grid; grid-template-columns: repeat(8, 1fr); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.trusted-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px 0; justify-items: center; align-items: center; padding: 0; }
.trusted-item { display: flex; align-items: center; justify-content: center; }
.trusted-item span { font-size: 13px; font-weight: 700; letter-spacing: 0.04em; color: var(--border-hi); white-space: nowrap; }
.trusted-logo { height: 30px; width: auto; max-width: 130px; opacity: .7; transition: opacity .2s; }
.trusted-logo:hover { opacity: .9; }

@media (max-width: 900px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .trusted-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 600px) {
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .trusted-grid { grid-template-columns: repeat(2, 1fr); }
  .trusted-strip { grid-template-columns: repeat(2, 1fr); }
}

/* ── Mockup chrome dots ── */
.chrome-dot { display: block; width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

/* ── KPI delta colors ── */
.up { color: #10b981; }
.dn { color: #ef4444; }

/* ════════════════════════════════════
   PRICING PAGE
════════════════════════════════════ */

/* ── Free tools strip ── */
.free-strip {
  display: grid; grid-template-columns: 1fr 2fr; gap: 56px; align-items: center;
}
.free-strip-tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.free-tool { background: var(--surface); border: 1px solid var(--border); border-radius: var(--rad); padding: 22px 20px; transition: border-color .15s; }
.free-tool:hover { border-color: var(--emerald); }
.free-tool-icon {
  width: 40px; height: 40px; border-radius: 8px; display: flex; align-items: center; justify-content: center;
  background: rgba(16,185,129,.12); margin-bottom: 14px;
}
.free-tool-icon svg { width: 20px; height: 20px; color: var(--emerald-lt); }
.free-tool h4 { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.free-tool p  { font-size: 12px; color: var(--muted); line-height: 1.5; }

/* ── Product pricing cards (3-col) ── */
.prod-pricing-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.prod-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--rad-lg); overflow: hidden; position: relative; transition: border-color .15s; display: flex; flex-direction: column; }
.prod-card:hover { border-color: var(--border-hi); }
.prod-card.featured { border-color: var(--violet); }
.best-badge {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  background: var(--violet); color: #fff; font-size: 10px; font-weight: 600;
  padding: 5px 14px; border-radius: 0 0 8px 8px; z-index: 1;
  font-family: 'JetBrains Mono', monospace; text-transform: uppercase; letter-spacing: .08em;
}
.prod-card.featured .prod-card-head { padding-top: 42px; }
.prod-card-head {
  display: flex; align-items: center; gap: 14px; padding: 22px 24px;
  border-bottom: 1px solid var(--border);
}
.prod-card-head.blue    { background: rgba(59,130,246,.08); }
.prod-card-head.violet  { background: rgba(124,58,237,.08); }
.prod-card-head.hybrid  { background: linear-gradient(135deg, rgba(59,130,246,.08), rgba(124,58,237,.08)); }
.prod-icon {
  width: 42px; height: 42px; border-radius: 10px; display: flex;
  align-items: center; justify-content: center; flex-shrink: 0;
}
.prod-icon.blue   { background: rgba(59,130,246,.15); }
.prod-icon.violet { background: rgba(124,58,237,.15); }
.prod-icon.hybrid { background: rgba(124,58,237,.15); }
.prod-icon svg { width: 22px; height: 22px; }
.prod-card-head h3 { font-size: 15px; font-weight: 600; color: var(--text); }
.prod-card-head p  { font-size: 12px; color: var(--muted); margin-top: 2px; }
.prod-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.prod-card-body .check-list { flex: 1; margin-bottom: 20px; }
.prod-card-body > .btn, .prod-card-body > a.btn { margin-top: auto; }
.prod-card-desc { font-size: 13px; color: var(--muted); line-height: 1.6; margin-bottom: 20px; min-height: 3.2em; }

.starts-box {
  background: var(--overlay); border: 1px solid var(--border); border-radius: var(--rad);
  padding: 18px; text-align: center; margin-bottom: 20px;
}
.starts-box .label { margin-bottom: 6px; }
.starts-amount { font-size: 1.7rem; font-weight: 700; color: #fff; letter-spacing: -0.03em; }
.starts-amount .cur { font-size: 1rem; color: var(--vlt); vertical-align: top; margin-right: 2px; }
.starts-amount .per { font-size: 13px; font-weight: 400; color: var(--muted); }
.starts-note { font-size: 11px; color: var(--muted); margin-top: 4px; }

.tier-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.tier-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 14px; background: var(--overlay); border-radius: 8px;
  border: 1px solid var(--border);
}
.tier-name { font-size: 13px; font-weight: 600; color: var(--text); }
.tier-detail { font-size: 11px; color: var(--muted); margin-top: 2px; }
.tier-price { font-size: 15px; font-weight: 700; color: var(--vlt); white-space: nowrap; }
.tier-price span { font-size: 11px; font-weight: 400; color: var(--muted); }

/* ── Add-on products (2-col) ── */
.addon-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.addon-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--rad-lg); padding: 28px 24px; }
.addon-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.addon-icon {
  width: 44px; height: 44px; border-radius: 10px; display: flex;
  align-items: center; justify-content: center; flex-shrink: 0;
}
.addon-icon.amber   { background: rgba(245,158,11,.12); }
.addon-icon.emerald { background: rgba(16,185,129,.12); }
.addon-icon svg { width: 22px; height: 22px; }
.addon-head h3 { font-size: 15px; font-weight: 600; color: var(--text); }
.addon-head p  { font-size: 12px; color: var(--muted); margin-top: 2px; }
.addon-desc { font-size: 13px; color: var(--muted); line-height: 1.6; margin-bottom: 20px; }
.addon-detail {
  background: var(--overlay); border-radius: var(--rad); padding: 18px; margin-bottom: 18px;
  border: 1px solid var(--border);
}
.addon-detail-title { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.addon-detail-text  { font-size: 12px; color: var(--muted); line-height: 1.5; }
.addon-price { font-size: 1.3rem; font-weight: 700; color: var(--vlt); margin-top: 10px; }

.storage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.storage-cell {
  background: var(--overlay); border: 1px solid var(--border);
  border-radius: 8px; padding: 14px; text-align: center;
}
.storage-cell .tier-name { font-size: 12px; margin-bottom: 4px; }
.storage-val { font-size: 1.1rem; font-weight: 700; color: var(--amber); }
.storage-unit { font-size: 11px; color: var(--muted); }
.storage-desc { font-size: 10px; color: var(--muted); margin-top: 6px; }

.check-list { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.check-list li { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.check-list li::before {
  content: '\2713'; width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0;
  font-size: 11px; display: flex; align-items: center; justify-content: center;
  background: rgba(16,185,129,.15); color: var(--emerald-lt);
}

/* ── Feature comparison tabs ── */
.plan-tabs {
  display: flex; gap: 6px; width: fit-content; margin: 0 auto 36px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 5px;
}
.plan-tab {
  padding: 10px 22px; border: none; background: transparent; color: var(--muted);
  font-size: 13px; font-weight: 500; border-radius: 7px; cursor: pointer;
  transition: all .15s; font-family: 'Inter', sans-serif;
}
.plan-tab.active { background: var(--violet); color: #fff; }
.plan-tab:hover:not(.active) { color: var(--text); }

/* ── Feature comparison grid ── */
.feat-compare { border: 1px solid var(--border); border-radius: var(--rad-lg); overflow: hidden; display: none; }
.feat-compare.active { display: block; }
.fc-header {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  background: var(--overlay); border-bottom: 1px solid var(--border);
}
.fc-header-cell {
  padding: 18px 16px; font-size: 13px; font-weight: 600; color: var(--text); text-align: center;
}
.fc-header-cell:first-child { text-align: left; color: var(--muted); }
.fc-header-cell.feat-col { background: rgba(124,58,237,.08); }
.fc-header-price { font-size: 11px; font-weight: 400; color: var(--vlt); display: block; margin-top: 2px; }

.fc-cat {
  padding: 12px 16px; font-size: 11px; font-weight: 600; color: var(--vlt);
  background: rgba(124,58,237,.04); border-bottom: 1px solid var(--border);
  text-transform: uppercase; letter-spacing: .06em;
  font-family: 'JetBrains Mono', monospace;
}
.fc-row {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  border-bottom: 1px solid var(--border); transition: background .1s;
}
.fc-row:hover { background: rgba(255,255,255,.015); }
.fc-cell {
  padding: 12px 16px; font-size: 13px; color: var(--slate); text-align: center;
  display: flex; align-items: center; justify-content: center;
}
.fc-cell:first-child { text-align: left; justify-content: flex-start; color: var(--text); }
.fc-cell.feat-col { background: rgba(124,58,237,.04); }
.fc-check { color: var(--emerald-lt); font-weight: 600; }
.fc-x     { color: var(--border-hi); }

.fc-cta {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  padding: 20px 0; background: var(--surface);
}
.fc-cta .fc-cell { padding: 6px 16px; }

/* ── Pricing notes ── */
.pricing-note {
  display: flex; align-items: center; gap: 12px; padding: 14px 18px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--rad);
  font-size: 13px; color: var(--muted); max-width: 720px; margin: 0 auto;
}
.pricing-note svg { width: 18px; height: 18px; color: var(--border-hi); flex-shrink: 0; }

/* ── Pricing responsive ── */
@media (max-width: 900px) {
  .free-strip { grid-template-columns: 1fr; gap: 32px; }
  .free-strip-tools { grid-template-columns: repeat(3, 1fr); }
  .prod-pricing-row { grid-template-columns: 1fr; }
  .addon-grid { grid-template-columns: 1fr; }
  .fc-header, .fc-row, .fc-cta { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
  .fc-cell, .fc-header-cell { padding: 10px 8px; font-size: 12px; }
  .plan-tabs { flex-direction: column; width: 100%; }
}
@media (max-width: 600px) {
  .free-strip-tools { grid-template-columns: 1fr; }
  .storage-grid { grid-template-columns: 1fr; }
  .feat-compare { overflow-x: auto; }
  .fc-header, .fc-row, .fc-cta { min-width: 580px; }
}

/* ════════════════════════════════════
   PRODUCT HUB PAGES
════════════════════════════════════ */

/* ── Stats bar ── */
.hub-stats {
  display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
  padding: 36px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  margin-top: 48px;
}
.hub-stat { text-align: center; }
.hub-stat-val { font-size: 1.8rem; font-weight: 700; letter-spacing: -0.03em; }
.hub-stat-label { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ── Hub feature grid (linked cards) ── */
.hub-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.hub-card {
  display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--rad); padding: 26px 24px; text-decoration: none; transition: border-color .15s, transform .15s;
}
.hub-card:hover { border-color: var(--border-hi); transform: translateY(-2px); }
.hub-card-icon {
  width: 42px; height: 42px; border-radius: 10px; display: flex;
  align-items: center; justify-content: center; margin-bottom: 16px; flex-shrink: 0;
}
.hub-card-icon svg { width: 22px; height: 22px; }
.hub-card-icon.blue    { background: rgba(59,130,246,.12); }
.hub-card-icon.violet  { background: rgba(124,58,237,.12); }
.hub-card-icon.emerald { background: rgba(16,185,129,.12); }
.hub-card-icon.amber   { background: rgba(245,158,11,.12); }
.hub-card-icon.slate   { background: rgba(148,163,184,.1); }
.hub-card h3 { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.hub-card p  { font-size: 13px; color: var(--muted); line-height: 1.5; margin-bottom: 14px; flex: 1; }
.hub-card-link {
  font-size: 12px; font-weight: 500; display: inline-flex; align-items: center; gap: 4px;
  font-family: 'JetBrains Mono', monospace;
}
.hub-card-link svg { width: 14px; height: 14px; }

/* color variants for hover accent & link color */
.hub-card.blue:hover    { border-color: rgba(59,130,246,.4); }
.hub-card.violet:hover  { border-color: rgba(124,58,237,.4); }
.hub-card.emerald:hover { border-color: rgba(16,185,129,.4); }
.hub-card.amber:hover   { border-color: rgba(245,158,11,.4); }
.hub-card.slate:hover   { border-color: rgba(148,163,184,.3); }
.hub-card.blue .hub-card-link    { color: var(--blue-lt); }
.hub-card.violet .hub-card-link  { color: var(--vlt); }
.hub-card.emerald .hub-card-link { color: var(--emerald-lt); }
.hub-card.amber .hub-card-link   { color: var(--amber-lt); }
.hub-card.slate .hub-card-link   { color: var(--slate); }

/* ── Capabilities grid (4-col) ── */
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cap-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--rad);
  padding: 22px 18px; text-align: center;
}
.cap-icon {
  width: 40px; height: 40px; border-radius: 9px; display: flex;
  align-items: center; justify-content: center; margin: 0 auto 10px;
}
.cap-icon svg { width: 20px; height: 20px; }
.cap-item h4 { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 3px; }
.cap-item p  { font-size: 11px; color: var(--muted); }

/* ── Hub responsive ── */
@media (max-width: 900px) {
  .hub-grid { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .hub-stats { gap: 28px; }
}
@media (max-width: 600px) {
  .cap-grid { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════
   BLOG POST CONTENT
════════════════════════════════════ */
.post-content { font-size: 15px; line-height: 1.8; color: var(--text); }
.post-content h2 { font-size: 1.4rem; font-weight: 700; color: #fff; margin: 40px 0 14px; letter-spacing: -0.02em; scroll-margin-top: calc(var(--nav-h) + 24px); }
.post-content h3 { font-size: 1.1rem; font-weight: 600; color: var(--text); margin: 32px 0 10px; scroll-margin-top: calc(var(--nav-h) + 24px); }
.post-content p { margin-bottom: 18px; }
.post-content a { color: var(--vlt); text-decoration: underline; text-decoration-color: rgba(167,139,250,.4); text-underline-offset: 2px; }
.post-content a:hover { color: #fff; text-decoration-color: var(--vlt); }
.post-content ul, .post-content ol { margin: 0 0 18px 20px; }
.post-content li { margin-bottom: 8px; }
.post-content blockquote { padding: 12px 20px; margin: 24px 0; color: var(--slate); font-style: italic; background: var(--surface); border-radius: var(--rad); }
.post-content code { font-family: 'JetBrains Mono', monospace; font-size: 13px; background: var(--overlay); padding: 2px 6px; border-radius: 4px; }
.post-content pre { background: var(--overlay); border: 1px solid var(--border); border-radius: var(--rad); padding: 20px; margin: 24px 0; overflow-x: auto; }
.post-content pre code { background: none; padding: 0; }
.post-content img { border-radius: var(--rad); border: 1px solid var(--border); margin: 24px 0; max-width: 100%; height: auto; }
.post-content hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }

/* ── Blog grid ── */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.blog-card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: var(--rad-lg); overflow: hidden; text-decoration: none; transition: border-color .15s; }
.blog-card:hover { border-color: var(--border-hi); }
.blog-card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--overlay); display: block; }
.blog-card-img.contain { object-fit: contain; padding: 12px 0; border-radius: 3px; }
.blog-card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.blog-card-body h3 { font-size: .95rem; font-weight: 600; color: var(--text); margin-bottom: 8px; line-height: 1.4; }
.blog-card-body p { font-size: 13px; color: var(--muted); line-height: 1.5; margin-bottom: 12px; flex: 1; }
.blog-card-meta { font-size: 11px; color: var(--muted); display: flex; gap: 10px; align-items: center; margin-top: auto; }
.blog-card-meta time { color: var(--slate); }
.blog-card-tags { display: flex; gap: 5px; margin-bottom: 10px; flex-wrap: wrap; }

/* ── Blog list fallback (no image) ── */
.post-list { display: flex; flex-direction: column; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--rad-lg); overflow: hidden; }
.post-item { display: block; background: var(--surface); padding: 28px; text-decoration: none; transition: background .12s; }
.post-item:hover { background: var(--overlay); }
.post-item h3 { font-size: 1.05rem; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.post-item p { font-size: 13px; color: var(--muted); line-height: 1.6; margin-bottom: 10px; }
.post-meta { font-size: 12px; color: var(--muted); display: flex; gap: 12px; align-items: center; }
.post-meta time { color: var(--slate); }

/* ── Site search ── */
.search-box { position: relative; max-width: 400px; margin: 0 auto; }
.search-input { width: 100%; padding: 10px 16px 10px 40px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--rad); color: var(--text); font-size: 14px; font-family: inherit; outline: none; transition: border-color .15s; }
.search-input::placeholder { color: var(--muted); }
.search-input:focus { border-color: var(--border-hi); }
.search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--muted); pointer-events: none; }
.search-results { position: absolute; top: calc(100% + 6px); left: 0; right: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--rad); max-height: 400px; overflow-y: auto; z-index: 100; display: none; }
.search-results.visible { display: block; }
.search-result-item { display: block; padding: 12px 16px; text-decoration: none; border-bottom: 1px solid var(--border); transition: background .1s; }
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--overlay); }
.search-result-item h4 { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 3px; }
.search-result-item p { font-size: 12px; color: var(--muted); line-height: 1.4; }
.search-result-item .search-result-type { font-size: 10px; color: var(--vlt); font-family: 'JetBrains Mono', monospace; text-transform: uppercase; letter-spacing: .08em; }
.search-no-results { padding: 16px; text-align: center; color: var(--muted); font-size: 13px; }

/* ── Blog pagination ── */
.blog-pager { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 40px; flex-wrap: wrap; }
.pager-btn { background: var(--surface); border: 1px solid var(--border); border-radius: var(--rad); color: var(--text); font-size: 13px; padding: 8px 14px; cursor: pointer; transition: border-color .15s, background .15s; font-family: inherit; }
.pager-btn:hover { border-color: var(--border-hi); background: var(--overlay); }
.pager-btn.active { background: var(--violet); border-color: var(--violet); color: #fff; }
.pager-ellipsis { color: var(--muted); font-size: 13px; padding: 0 4px; }

/* ── Breadcrumbs ── */
.post-breadcrumb-bar { padding: 16px 0 0; }
.breadcrumbs { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.breadcrumbs a { color: var(--muted); text-decoration: none; transition: color .12s; }
.breadcrumbs a:hover { color: var(--text); }
.breadcrumbs span:last-child { color: var(--slate); max-width: 400px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.breadcrumb-sep { color: var(--border-hi); }

/* ── Post layout with sidebar ── */
.post-wrap { display: grid; grid-template-columns: 200px 1fr; gap: 56px; max-width: 1000px; }
.post-sidebar { position: sticky; top: calc(var(--nav-h) + 24px); align-self: start; }
.post-main { min-width: 0; max-width: 720px; }

.sidebar-section { margin-bottom: 28px; }
.sidebar-section .label { display: block; }

/* ── Share links ── */
.share-links { display: flex; gap: 8px; }
.share-btn { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--rad); color: var(--muted); cursor: pointer; transition: border-color .15s, color .15s; text-decoration: none; }
.share-btn:hover { border-color: var(--border-hi); color: var(--text); }

/* ── Sidebar TOC ── */
.sidebar-toc { list-style: none; padding: 0; margin: 0; }
.sidebar-toc li { padding: 10px 0; border-bottom: 1px solid var(--border); }
.sidebar-toc li:last-child { border-bottom: none; }
.toc-link { text-decoration: none; display: block; transition: opacity .12s; }
.toc-link:hover { opacity: .8; }
.toc-title { display: block; font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.5; }
.toc-summary { display: block; font-size: 13px; color: var(--muted); line-height: 1.5; margin-top: 2px; }

/* ── Post prev/next nav ── */
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--border); }
.post-nav-link { display: block; padding: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--rad); text-decoration: none; transition: border-color .15s; }
.post-nav-link:hover { border-color: var(--border-hi); }
.post-nav-label { font-size: 11px; color: var(--muted); font-family: 'JetBrains Mono', monospace; text-transform: uppercase; letter-spacing: .08em; display: block; margin-bottom: 6px; }
.post-nav-title { font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.4; display: block; }
.post-nav-older { text-align: right; }

@media (max-width: 900px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .post-wrap { grid-template-columns: 1fr; }
  .post-sidebar { position: static; display: flex; gap: 24px; flex-wrap: wrap; }
  .sidebar-section { margin-bottom: 0; }
}
@media (max-width: 600px) {
  .blog-grid { grid-template-columns: 1fr; }
  .post-nav { grid-template-columns: 1fr; }
}

/* ── Events ── */
.event-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.event-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--rad-lg);
  overflow: hidden; transition: border-color .15s;
}
.event-card { text-decoration: none; }
.event-card:hover { border-color: var(--border-hi); }
.event-card-img { width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; display: block; border-radius: var(--rad-lg) var(--rad-lg) 0 0; }
.event-card-body { padding: 24px; }
.event-date {
  font-family: 'JetBrains Mono', monospace; font-size: 11px; text-transform: uppercase;
  letter-spacing: .08em; color: var(--vlt); margin-bottom: 10px; display: block;
}
.event-card h3 { font-size: 1.05rem; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.event-card p { font-size: 13px; color: var(--muted); line-height: 1.6; margin-bottom: 14px; }
.event-location { font-size: 12px; color: var(--slate); display: flex; align-items: center; gap: 6px; }
.event-location svg { width: 14px; height: 14px; }

@media (max-width: 600px) {
  .event-grid { grid-template-columns: 1fr; }
}

/* ── Additional mobile fixes ── */
@media (max-width: 600px) {
  /* Hub stats: 2x2 grid instead of single row */
  .hub-stats {
    display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 24px 0;
  }
  .hub-stat-val { font-size: 1.4rem; }

  /* Post sidebar: collapse TOC on mobile */
  .post-sidebar { order: 1; }
  .post-main { order: 0; }
  .sidebar-section h4 { font-size: 11px; }
  .sidebar-section .toc-link { font-size: 12px; }
}