/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #07070f;
  --surface:   #0d0d1a;
  --surface2:  #111125;
  --surface3:  #161630;
  --border:    #1e2040;
  --border2:   #2a2d52;
  --text:      #8899bb;
  --text-dim:  #3d4466;
  --text-bright: #e2e8f0;
  --accent:    #4a9eff;
  --accent2:   #818cf8;
  --amber:     #fbbf24;
  --green:     #34d399;
  --danger:    #ff6b35;
  --font:      'Courier New', 'Courier', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── NAV ──────────────────────────────────────────────────────────────────── */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px; height: 52px;
  background: rgba(7,7,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(30,32,64,0.6);
}

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  color: var(--text-bright); text-decoration: none;
}
.nav-logo img { height: 22px; width: auto; }
.logo-light { display: none; }
[data-theme="light"] .logo-dark  { display: none; }
[data-theme="light"] .logo-light { display: inline-block; }
.nav-logo-text {
  font-size: 13px; font-weight: bold; letter-spacing: 3px;
  color: var(--text-bright);
}
.nav-logo:hover { text-decoration: none; }

/* Mobile dropdown: branding + footer blocks (hidden on desktop) */
.nav-dropdown-brand,
.nav-dropdown-footer { display: none; }

.nav-dropdown-brand {
  align-items: center; gap: 10px;
  padding: 16px 20px 14px;
  border-bottom: 1px solid var(--border);
}
.nav-dropdown-logo-img { height: 28px; width: auto; }
.nav-dropdown-logo-text {
  font-size: 12px; font-weight: bold; letter-spacing: 3px;
  color: var(--text-bright);
}

.nav-dropdown-footer {
  flex-direction: column; gap: 10px;
  padding: 14px 20px 20px;
  border-top: 1px solid var(--border);
}
#nav .nav-dropdown-theme { display: block; width: 100%; text-align: center; }
.nav-dropdown-cta { text-align: center; display: block; }

.nav-links {
  display: flex; align-items: center; gap: 6px;
}
.nav-end {
  display: flex; align-items: center; gap: 6px;
}
.nav-hamburger {
  display: none; background: none; border: 1px solid transparent;
  cursor: pointer; font-family: var(--font); font-size: 18px;
  color: var(--text); padding: 4px 8px; line-height: 1;
  transition: color 0.15s, border-color 0.15s;
}
.nav-hamburger:hover { color: var(--text-bright); border-color: var(--border2); }
.nav-link {
  color: var(--text); font-size: 10px; letter-spacing: 1.5px;
  text-transform: uppercase; padding: 6px 12px;
  border: 1px solid transparent; transition: all 0.15s;
}
.nav-link:hover { color: var(--text-bright); border-color: var(--border2); text-decoration: none; }

.nav-cta {
  background: var(--accent); color: #fff !important;
  padding: 7px 18px; font-size: 10px; letter-spacing: 1.5px;
  text-transform: uppercase; border: 1px solid var(--accent);
  transition: all 0.15s;
}
.nav-cta:hover { background: #2d7fe8; border-color: #2d7fe8; text-decoration: none; }

/* ── HERO ─────────────────────────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  padding-top: 52px; /* flex centers within content area below fixed nav */
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}

#graph-canvas {
  position: absolute;
  left: -160px; top: -100px;
  pointer-events: none;
  opacity: 0.85;
}

.hero-vignette {
  position: absolute; inset: 0;
  /* Dark in center (behind text), transparent at edges so nodes are visible there */
  background: radial-gradient(ellipse at center,
    rgba(7,7,15,0.88) 0%,
    rgba(7,7,15,0.72) 22%,
    rgba(7,7,15,0.35) 48%,
    rgba(7,7,15,0.08) 65%,
    transparent 78%
  );
  pointer-events: none;
}

.hero-inner {
  position: relative; z-index: 2;
  text-align: center; max-width: 760px; padding: 0 24px;
  display: flex; flex-direction: column; align-items: center;
}

.hero-cursor {
  display: inline;
  color: var(--accent);
  animation: cursor-blink 0.75s steps(1) infinite;
}
@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-badge {
  display: inline-block; margin-bottom: 28px;
  font-size: 9px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent); border: 1px solid rgba(74,158,255,0.3);
  background: rgba(74,158,255,0.06); padding: 5px 14px; border-radius: 2px;
}

.hero-headline {
  font-size: clamp(28px, 5vw, 52px);
  color: var(--text-bright);
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 22px;
  font-weight: normal;
}

.hero-headline em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  font-size: 14px; color: var(--text); line-height: 1.7;
  max-width: 540px; margin: 0 auto 40px;
}

.hero-actions {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}

.btn-primary {
  display: inline-block; padding: 12px 32px;
  background: var(--accent); color: #fff;
  font-family: var(--font); font-size: 10px; letter-spacing: 2px;
  text-transform: uppercase; border: 1px solid var(--accent);
  transition: all 0.15s; cursor: pointer;
}
.btn-primary:hover { background: #2d7fe8; border-color: #2d7fe8; text-decoration: none; color: #fff; }

.btn-secondary {
  display: inline-block; padding: 12px 32px;
  background: transparent; color: var(--text-bright);
  font-family: var(--font); font-size: 10px; letter-spacing: 2px;
  text-transform: uppercase; border: 1px solid var(--border2);
  transition: all 0.15s; cursor: pointer;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  font-size: 9px; letter-spacing: 2px; color: var(--text-dim);
  text-transform: uppercase; display: flex; flex-direction: column;
  align-items: center; gap: 8px; animation: bounce 2s infinite;
}
.hero-scroll::after {
  content: '↓'; font-size: 14px; color: var(--text-dim);
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(6px); }
}

/* ── STATS BAR ────────────────────────────────────────────────────────────── */
#stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 28px 40px;
  display: flex; justify-content: center; gap: 0;
}

.stat-item {
  display: flex; flex-direction: column; align-items: center;
  padding: 0 48px; border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }

.stat-number {
  font-size: 28px; color: var(--text-bright); letter-spacing: -1px;
  line-height: 1;
}
.stat-number span { color: var(--accent); }
.stat-live { color: var(--green) !important; font-size: 20px !important; letter-spacing: 2px; }

.stat-label {
  font-size: 9px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-dim); margin-top: 5px;
}

/* ── SECTIONS SHARED ──────────────────────────────────────────────────────── */
section { padding: 96px 40px; }
.section-inner { max-width: 1100px; margin: 0 auto; }

.section-eyebrow {
  font-size: 9px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
.section-title {
  font-size: clamp(22px, 3vw, 36px); color: var(--text-bright);
  line-height: 1.2; margin-bottom: 16px; font-weight: normal;
}
.section-desc {
  font-size: 13px; color: var(--text); line-height: 1.7;
  max-width: 560px; margin-bottom: 56px;
}

/* ── FEATURES ─────────────────────────────────────────────────────────────── */
#features { background: var(--bg); }

.features-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}

.feature-card {
  background: var(--surface); border: 1px solid var(--border);
  padding: 32px 28px; transition: border-color 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  border-color: var(--accent2);
  box-shadow: 0 0 28px rgba(129,140,248,0.06);
}

.feature-icon {
  margin-bottom: 18px; display: block; color: var(--accent2);
}
.feature-icon svg { width: 28px; height: 28px; display: block; }
.feature-name {
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-bright); margin-bottom: 12px;
}
.feature-desc {
  font-size: 12px; color: var(--text); line-height: 1.7;
}
.feature-link {
  display: inline-block; margin-top: 20px;
  font-size: 9px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent); border-bottom: 1px solid rgba(74,158,255,0.3);
  padding-bottom: 1px; transition: border-color 0.15s;
}
.feature-link:hover { border-color: var(--accent); text-decoration: none; }

/* ── DATA TIERS ───────────────────────────────────────────────────────────── */
#data-tiers { background: var(--surface); }

.tiers-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  border: 1px solid var(--border); background: var(--border);
}

.tier-card {
  background: var(--surface2); padding: 36px 32px;
}

.tier-badge {
  display: inline-block; font-size: 9px; letter-spacing: 2px;
  text-transform: uppercase; padding: 3px 10px; border-radius: 2px;
  margin-bottom: 20px; font-weight: bold;
}
.tier-badge.t1 { background: rgba(74,158,255,0.1); border: 1px solid rgba(74,158,255,0.25); color: var(--accent); }
.tier-badge.t2 { background: rgba(129,140,248,0.1); border: 1px solid rgba(129,140,248,0.25); color: var(--accent2); }
.tier-badge.t3 { background: rgba(52,211,153,0.1); border: 1px solid rgba(52,211,153,0.25); color: var(--green); }
/* source-tier t1/t2/t3 badges reuse the same tier-badge classes */

.tier-name {
  font-size: 13px; color: var(--text-bright); margin-bottom: 10px; letter-spacing: 0.3px;
}
.tier-desc { font-size: 12px; color: var(--text); line-height: 1.7; margin-bottom: 20px; }

.tier-sources {
  display: flex; flex-direction: column; gap: 5px;
}
.tier-source-item {
  font-size: 10px; color: var(--text-dim); letter-spacing: 0.5px;
  padding: 4px 0; border-bottom: 1px solid var(--border);
}
.tier-source-item:last-child { border-bottom: none; }

/* ── PRICING ──────────────────────────────────────────────────────────────── */
#pricing { background: var(--bg); }

.pricing-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}

.pricing-card {
  background: var(--surface); border: 1px solid var(--border); padding: 36px 28px;
  position: relative; display: flex; flex-direction: column;
}
.pricing-card .btn-primary,
.pricing-card .btn-secondary { margin-top: auto; }
.pricing-card.featured {
  border-color: var(--accent); background: var(--surface);
}

.pricing-featured-badge {
  position: absolute; top: 0; left: 28px; transform: translateY(-50%); z-index: 1;
  display: inline-block; font-size: 8px; letter-spacing: 2px; text-transform: uppercase;
  background: var(--accent); color: #fff; padding: 3px 10px;
}

.pricing-tier {
  font-size: 9px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 16px;
}
.pricing-price {
  font-size: 36px; color: var(--text-bright); margin-bottom: 4px; line-height: 1;
}
.pricing-price .price-per { font-size: 14px; color: var(--text); }
.pricing-price-note { font-size: 10px; color: var(--text-dim); margin-bottom: 28px; }

.pricing-features { list-style: none; margin-bottom: 36px; }
.pricing-features li {
  font-size: 11px; color: var(--text); padding: 7px 0;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-features li::before { content: '◆'; font-size: 6px; color: var(--text-dim); flex-shrink: 0; }
.pricing-features li.included::before { color: var(--accent); }
.pricing-features li.excluded { color: var(--text-dim); text-decoration: line-through; }

.pricing-note {
  margin-top: 28px; text-align: center;
  font-size: 10px; color: var(--text-dim); letter-spacing: 0.5px;
}

/* ── FOOTER ───────────────────────────────────────────────────────────────── */
#footer {
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 48px 40px 32px;
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 40px;
}
.footer-brand { display: flex; flex-direction: column; gap: 10px; }
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-logo img { height: 24px; }
.footer-logo-text { font-size: 11px; letter-spacing: 3px; color: var(--text-bright); font-weight: bold; }
.footer-tagline { font-size: 10px; color: var(--text-dim); max-width: 260px; line-height: 1.6; }

.footer-links { display: flex; gap: 48px; }
.footer-col-label { font-size: 9px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-dim); margin-bottom: 12px; }
.footer-col a { display: block; font-size: 11px; color: var(--text); margin-bottom: 8px; transition: color 0.15s; }
.footer-col a:hover { color: var(--text-bright); text-decoration: none; }

.footer-bottom {
  max-width: 1100px; margin: 40px auto 0;
  padding-top: 20px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy { font-size: 10px; color: var(--text-dim); }

/* ── HERO FINE PRINT ─────────────────────────────────────────────────────── */
.hero-fine {
  margin-top: 14px; font-size: 10px; color: var(--text-dim); letter-spacing: 1px;
}

/* ── HOW IT WORKS ────────────────────────────────────────────────────────── */
#how-it-works { background: var(--surface); }

.hiw-intro {
  display: flex; gap: 56px; align-items: center; margin-bottom: 56px;
}
.hiw-intro-text { flex: 1; min-width: 0; }
.hiw-intro-text .section-desc { margin-bottom: 0; }

.hiw-releases-callout {
  flex: 0 0 380px;
  border: 1px solid rgba(129,140,248,0.5);
  border-radius: 8px;
  padding: 32px 36px;
  background: rgba(129,140,248,0.07);
  align-self: center;
}
.hiw-rc-label {
  font-size: 8px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent2); margin-bottom: 16px;
}
.hiw-rc-title {
  font-size: 17px; color: var(--text-bright); line-height: 1.3;
  margin-bottom: 24px; font-weight: 500;
}
.hiw-rc-item {
  display: flex; gap: 10px; align-items: baseline;
  font-size: 14px; color: var(--text-bright); margin-bottom: 12px;
}
.hiw-rc-check { color: var(--accent2); flex-shrink: 0; font-size: 14px; }
.hiw-rc-note {
  margin-top: 20px; font-size: 11px; color: var(--text);
  border-top: 1px solid var(--border); padding-top: 14px;
}
.hiw-rc-cta {
  display: inline-block; margin-top: 14px; font-size: 11px;
  letter-spacing: 1px; color: var(--accent2); text-decoration: none;
}
.hiw-rc-cta:hover { color: var(--text-bright); }

.hiw-sublabel {
  font-size: 9px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--text); margin: 48px 0 20px; padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

/* Extract grid */
.extract-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px;
  margin-bottom: 0;
}
.extract-item {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 16px 12px; border: 1px solid var(--border);
  background: var(--surface2); font-size: 10px; letter-spacing: 1px;
  color: var(--text); text-align: center;
}
.ei-icon { font-size: 16px; }
.topic-c  { color: var(--amber); }
.case-c   { color: var(--accent); }
.event-c  { color: var(--accent2); }
.person-c { color: var(--accent); }
.org-c    { color: var(--green); }

.pipeline {
  display: flex; align-items: flex-start; gap: 0;
  border: 1px solid var(--border); background: var(--surface2);
  margin-bottom: 48px; overflow: hidden;
}

.pipeline-step {
  flex: 1; padding: 32px 28px;
}
.pipeline-step-label {
  font-size: 9px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 20px;
}

.pipeline-docs {
  display: flex; flex-direction: column; gap: 8px;
}
.doc-pill {
  font-size: 10px; letter-spacing: 0.5px;
  padding: 6px 12px; border-radius: 2px;
}
.doc-pill.gov {
  background: rgba(74,158,255,0.08); border: 1px solid rgba(74,158,255,0.2);
  color: var(--accent);
}
.doc-pill.research {
  background: rgba(129,140,248,0.08); border: 1px solid rgba(129,140,248,0.2);
  color: var(--accent2);
}

.pipeline-machine {
  display: flex; flex-direction: column; align-items: center;
  padding: 32px 20px;
  border-left: 1px solid var(--border); border-right: 1px solid var(--border);
  background: var(--surface3);
}
.machine-box {
  border: 1px solid var(--border2); padding: 20px 24px; text-align: center;
}
.machine-label {
  font-size: 8px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent2); margin-bottom: 16px; white-space: nowrap;
}
.machine-steps { display: flex; flex-direction: column; gap: 8px; }
.machine-step {
  font-size: 10px; color: var(--text); letter-spacing: 0.3px; white-space: nowrap;
}
.pipeline-arrow {
  font-size: 22px; color: var(--text-dim); margin-top: 20px;
  animation: pulse-arrow 2s infinite;
}
@keyframes pulse-arrow {
  0%,100% { opacity: 0.4; } 50% { opacity: 1; }
}

.pipeline-outputs {
  display: flex; flex-direction: column; gap: 10px;
}
.output-node {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 12px; border-radius: 2px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.output-node.topic  { border-color: rgba(251,191,36,0.25); }
.output-node.case   { border-color: rgba(74,158,255,0.25); }
.output-node.event  { border-color: rgba(129,140,248,0.25); }
.output-node.person { border-color: rgba(74,158,255,0.25); }
.output-node.org    { border-color: rgba(52,211,153,0.25); }
.on-icon {
  font-size: 14px; flex-shrink: 0; width: 18px; text-align: center;
}
.output-node.topic  .on-icon { color: var(--amber); }
.output-node.case   .on-icon { color: var(--accent); }
.output-node.event  .on-icon { color: var(--accent2); }
.output-node.person .on-icon { color: var(--accent); }
.output-node.org    .on-icon { color: var(--green); }
.on-label { font-size: 10px; color: var(--text-bright); letter-spacing: 1px; flex-shrink: 0; }
.on-sub   { font-size: 9px; color: var(--text-dim); }

/* Directions */
.directions {
  display: flex; align-items: center; gap: 24px;
}
.direction-card {
  flex: 1; border: 1px solid var(--border); background: var(--surface);
  padding: 28px 28px 24px;
}
.direction-divider {
  font-size: 11px; color: var(--text-dim); letter-spacing: 2px;
  text-transform: uppercase; flex-shrink: 0; padding: 0 4px;
}
.direction-icon {
  font-size: 22px; color: var(--accent2); margin-bottom: 10px;
}
.direction-label {
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-bright); margin-bottom: 10px;
}
.direction-desc {
  font-size: 12px; color: var(--text); line-height: 1.7; margin-bottom: 16px;
}
.direction-path {
  font-size: 9px; letter-spacing: 1px; color: var(--accent);
  border-top: 1px solid var(--border); padding-top: 12px;
}

/* ── USER TYPES ──────────────────────────────────────────────────────────── */
#user-types { background: var(--bg); }

.user-types-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
  margin-top: 48px;
}

.user-type-card {
  background: var(--surface); border: 1px solid var(--border); padding: 36px 32px;
}
.user-type-card.featured {
  border-color: var(--accent2); background: var(--surface2);
}

.ut-badge {
  display: inline-block; font-size: 9px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-dim); border: 1px solid var(--border2);
  padding: 3px 10px; margin-bottom: 18px; border-radius: 2px;
}
.ut-badge.enthusiast { color: var(--accent2); border-color: rgba(129,140,248,0.3); }

.ut-title {
  font-size: 18px; color: var(--text-bright); font-weight: normal;
  margin-bottom: 14px; line-height: 1.3;
}
.ut-desc {
  font-size: 12px; color: var(--text); line-height: 1.75; margin-bottom: 24px;
}
.ut-features { display: flex; flex-direction: column; gap: 8px; }
.ut-feature {
  font-size: 11px; color: var(--text); letter-spacing: 0.3px;
}

/* ── FEATURES: tag ────────────────────────────────────────────────────────── */
.feature-tag {
  display: inline-block; font-size: 8px; letter-spacing: 2px; text-transform: uppercase;
  padding: 2px 8px; border-radius: 2px; margin-bottom: 14px;
}
.gov-tag {
  background: rgba(74,158,255,0.08); border: 1px solid rgba(74,158,255,0.2);
  color: var(--accent);
}

/* ── SOURCES SECTION ─────────────────────────────────────────────────────── */
#sources-section { background: var(--surface); }

.source-tiers {
  display: flex; align-items: stretch; gap: 0;
}
.source-tier {
  flex: 1; padding: 36px 32px;
  background: var(--surface2); border: 1px solid var(--border);
}
.source-tier-divider {
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: var(--text-dim); padding: 0 20px;
  flex-shrink: 0; align-self: center;
}
.tier-examples {
  font-size: 10px; color: var(--text); line-height: 1.8; letter-spacing: 0.3px;
  border-top: 1px solid var(--border); padding-top: 14px; margin-top: 14px;
}

/* ── THEME TOGGLE BUTTON ─────────────────────────────────────────────────── */
.theme-toggle {
  background: none; border: 1px solid transparent; cursor: pointer;
  font-family: var(--font); font-size: 14px; color: var(--text);
  padding: 6px 10px; line-height: 1; transition: color 0.15s, border-color 0.15s;
}
.theme-toggle:hover { color: var(--text-bright); border-color: var(--border2); }

/* ── LIGHT MODE ──────────────────────────────────────────────────────────── */
[data-theme="light"] {
  --bg:          #eef2f8;
  --surface:     #ffffff;
  --surface2:    #f5f8fc;
  --surface3:    #ecf0f7;
  --border:      #cfd9e8;
  --border2:     #b2c1d4;
  --text:        #445069;
  --text-dim:    #8899aa;
  --text-bright: #0d1526;
  --accent:      #1d6fe8;
  --accent2:     #5558cc;
  --amber:       #b86e00;
  --green:       #09704a;
  --danger:      #bf3020;
}

/* Nav overlay in light mode */
[data-theme="light"] #nav {
  background: rgba(238,242,248,0.92);
  border-bottom-color: rgba(207,217,232,0.9);
}

/* Hero vignette flipped to light-center in light mode */
[data-theme="light"] .hero-vignette {
  background: radial-gradient(ellipse at center,
    rgba(238,242,248,0.92) 0%,
    rgba(238,242,248,0.75) 22%,
    rgba(238,242,248,0.38) 48%,
    rgba(238,242,248,0.08) 65%,
    transparent 78%
  );
}

/* Tier badge alpha adjustments for better pop on light surfaces */
[data-theme="light"] .tier-badge.t1,
[data-theme="light"] .mock-type-badge.t-case,
[data-theme="light"] .mock-type-badge.t-person,
[data-theme="light"] .t1-badge {
  background: rgba(29,111,232,0.08) !important;
  border-color: rgba(29,111,232,0.28) !important;
}
[data-theme="light"] .tier-badge.t2,
[data-theme="light"] .mock-type-badge.t-event,
[data-theme="light"] .mock-type-badge.t-org,
[data-theme="light"] .t2-badge {
  background: rgba(85,88,204,0.08) !important;
  border-color: rgba(85,88,204,0.28) !important;
}
[data-theme="light"] .tier-badge.t3,
[data-theme="light"] .mock-type-badge.t-program {
  background: rgba(9,112,74,0.08) !important;
  border-color: rgba(9,112,74,0.28) !important;
}
[data-theme="light"] .mock-type-badge.t-topic {
  background: rgba(184,110,0,0.08) !important;
  border-color: rgba(184,110,0,0.28) !important;
}

/* Feature card hover in light mode */
[data-theme="light"] .feature-card:hover {
  box-shadow: 0 0 28px rgba(85,88,204,0.10);
}

/* TAB SYSTEM ───────────────────────────────────────────────────────────────── */
.hiw-tabs { margin-bottom: 52px; }

/* Entity card-style tab nav */
.entity-card-tabs {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.ect-btn {
  display: flex; flex-direction: column; align-items: flex-start; gap: 10px;
  padding: 20px 16px;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer; text-align: left;
  transition: border-color 0.18s, background 0.18s;
  font-family: var(--font);
}
.ect-btn:hover { border-color: var(--border2); background: var(--surface3); }
.ect-icon { line-height: 1; color: var(--text-dim); transition: color 0.18s; }
.ect-icon svg { width: 20px; height: 20px; display: block; }
.ect-name {
  font-size: 11px; font-weight: bold; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--text-bright);
}
.ect-desc { font-size: 9px; color: var(--text-dim); line-height: 1.45; }

/* Active states */
.ect-btn.t-topic.active   { border-color: var(--amber);   background: var(--surface3); }
.ect-btn.t-case.active    { border-color: var(--accent);  background: var(--surface3); }
.ect-btn.t-event.active   { border-color: var(--accent2); background: var(--surface3); }
.ect-btn.t-person.active  { border-color: var(--accent);  background: var(--surface3); }
.ect-btn.t-program.active { border-color: var(--green);   background: var(--surface3); }
.ect-btn.t-org.active     { border-color: var(--accent2); background: var(--surface3); }

.ect-btn.t-topic.active   .ect-icon, .ect-btn.t-topic.active   .ect-name { color: var(--amber); }
.ect-btn.t-case.active    .ect-icon, .ect-btn.t-case.active    .ect-name { color: var(--accent); }
.ect-btn.t-event.active   .ect-icon, .ect-btn.t-event.active   .ect-name { color: var(--accent2); }
.ect-btn.t-person.active  .ect-icon, .ect-btn.t-person.active  .ect-name { color: var(--accent); }
.ect-btn.t-program.active .ect-icon, .ect-btn.t-program.active .ect-name { color: var(--green); }
.ect-btn.t-org.active     .ect-icon, .ect-btn.t-org.active     .ect-name { color: var(--accent2); }

.tab-nav {
  display: flex; flex-wrap: wrap; gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.tab-btn {
  background: none; border: none; border-bottom: 2px solid transparent;
  padding: 10px 18px; font-family: var(--font); font-size: 10px;
  letter-spacing: 1.5px; text-transform: uppercase; cursor: pointer;
  color: var(--text); transition: color 0.15s, border-color 0.15s;
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--text-bright); }

/* Entity tab active states — color per type */
.tab-btn.t-topic.active   { color: var(--amber);   border-bottom-color: var(--amber); }
.tab-btn.t-case.active    { color: var(--accent);  border-bottom-color: var(--accent); }
.tab-btn.t-event.active   { color: var(--accent2); border-bottom-color: var(--accent2); }
.tab-btn.t-person.active  { color: var(--accent);  border-bottom-color: var(--accent); }
.tab-btn.t-program.active { color: var(--green);   border-bottom-color: var(--green); }
.tab-btn.t-org.active     { color: var(--accent2); border-bottom-color: var(--accent2); }

/* Tool tab active states */
.tab-btn.tt-doc.active,
.tab-btn.tt-explorer.active,
.tab-btn.tt-timeline.active,
.tab-btn.tt-graph.active { color: var(--text-bright); border-bottom-color: var(--accent2); }

.tab-panels { }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── MOCK ENTITY PROFILE CARD ─────────────────────────────────────────────── */
.mock-card {
  background: var(--surface2); border: 1px solid var(--border2); padding: 28px;
}
.mock-header {
  display: flex; flex-direction: column; gap: 8px;
  border-bottom: 1px solid var(--border); padding-bottom: 16px; margin-bottom: 20px;
}
.mock-type-badge {
  display: inline-block; font-size: 8px; letter-spacing: 2px; text-transform: uppercase;
  padding: 2px 8px; border-radius: 2px; font-weight: bold; width: fit-content;
}
.mock-type-badge.t-topic   { background: rgba(251,191,36,0.10);  border: 1px solid rgba(251,191,36,0.28);  color: var(--amber); }
.mock-type-badge.t-case    { background: rgba(74,158,255,0.10);  border: 1px solid rgba(74,158,255,0.28);  color: var(--accent); }
.mock-type-badge.t-event   { background: rgba(129,140,248,0.10); border: 1px solid rgba(129,140,248,0.28); color: var(--accent2); }
.mock-type-badge.t-person  { background: rgba(74,158,255,0.10);  border: 1px solid rgba(74,158,255,0.28);  color: var(--accent); }
.mock-type-badge.t-program { background: rgba(52,211,153,0.10);  border: 1px solid rgba(52,211,153,0.28);  color: var(--green); }
.mock-type-badge.t-org     { background: rgba(129,140,248,0.10); border: 1px solid rgba(129,140,248,0.28); color: var(--accent2); }

.mock-name     { font-size: 18px; color: var(--text-bright); letter-spacing: -0.3px; }
.mock-subtitle { font-size: 10px; color: var(--text-dim); letter-spacing: 0.3px; }

.mock-body { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }

.mock-slabel {
  font-size: 8px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 10px; margin-top: 18px;
}
.mock-col:first-child .mock-slabel:first-child { margin-top: 0; }
.mock-col:last-child  .mock-slabel:first-child { margin-top: 0; }

.mock-desc { font-size: 11px; color: var(--text); line-height: 1.7; }

.mock-facts { display: flex; flex-direction: column; }
.mock-fact {
  display: flex; gap: 8px; font-size: 10px;
  padding: 5px 0; border-bottom: 1px solid var(--border);
}
.mock-fact:last-child { border-bottom: none; }
.mfk { color: var(--text-dim); flex-shrink: 0; min-width: 90px; }
.mfv { color: var(--text-bright); }

/* Mini timeline (inside entity profile mock columns) */
.mock-tl { display: flex; flex-direction: column; }
.mock-tl-item {
  display: flex; gap: 10px; font-size: 10px; line-height: 1.5;
  padding: 5px 0; border-bottom: 1px solid var(--border);
}
.mock-tl-item:last-child { border-bottom: none; }
.mock-tl-date {
  color: var(--accent); flex-shrink: 0; min-width: 54px;
  font-size: 9px; letter-spacing: 0.5px;
}
.mock-tl-desc { color: var(--text); }

.mock-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 4px; }
.mock-tag {
  font-size: 9px; letter-spacing: 0.8px; padding: 2px 7px; border-radius: 2px;
}
.mock-tag.t-topic   { background: rgba(251,191,36,0.07);  border: 1px solid rgba(251,191,36,0.22);  color: var(--amber); }
.mock-tag.t-case    { background: rgba(74,158,255,0.07);  border: 1px solid rgba(74,158,255,0.22);  color: var(--accent); }
.mock-tag.t-event   { background: rgba(129,140,248,0.07); border: 1px solid rgba(129,140,248,0.22); color: var(--accent2); }
.mock-tag.t-person  { background: rgba(74,158,255,0.07);  border: 1px solid rgba(74,158,255,0.22);  color: var(--accent); }
.mock-tag.t-program { background: rgba(52,211,153,0.07);  border: 1px solid rgba(52,211,153,0.22);  color: var(--green); }
.mock-tag.t-org     { background: rgba(129,140,248,0.07); border: 1px solid rgba(129,140,248,0.22); color: var(--accent2); }

/* ── TOOL TABS — APP WINDOW MOCKS ─────────────────────────────────────────── */
.tool-tab-inner { }
.tool-tab-desc {
  font-size: 13px; color: var(--text); line-height: 1.75;
  margin-bottom: 20px; max-width: 700px;
}

.app-window {
  border: 1px solid var(--border2); overflow: hidden; background: var(--surface3);
}
.app-chrome {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface2); border-bottom: 1px solid var(--border);
  padding: 8px 14px;
}
.chrome-dots { display: flex; gap: 5px; flex-shrink: 0; }
.chrome-dots span { width: 8px; height: 8px; border-radius: 50%; }
.chrome-dots span:nth-child(1) { background: rgba(255,96,96,0.55); }
.chrome-dots span:nth-child(2) { background: rgba(255,195,50,0.55); }
.chrome-dots span:nth-child(3) { background: rgba(50,205,100,0.55); }
.chrome-url {
  font-size: 9px; color: var(--text-dim); letter-spacing: 0.3px;
  background: var(--surface3); border: 1px solid var(--border);
  padding: 3px 10px; border-radius: 2px; flex: 1; overflow: hidden;
  white-space: nowrap; text-overflow: ellipsis;
}
.app-screen { padding: 18px; }
.app-screen-graph { padding: 6px; display: flex; align-items: center; justify-content: center; }

/* Document viewer mock content */
.mock-doc-header {
  display: flex; flex-direction: column; gap: 6px;
  border-bottom: 1px solid var(--border); padding-bottom: 12px; margin-bottom: 12px;
}
.mock-source-badge {
  display: inline-block; font-size: 8px; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 2px 7px; border-radius: 2px; width: fit-content;
}
.t1-badge { background: rgba(74,158,255,0.10); border: 1px solid rgba(74,158,255,0.28); color: var(--accent); }
.t2-badge { background: rgba(129,140,248,0.10); border: 1px solid rgba(129,140,248,0.28); color: var(--accent2); }
.mock-doc-title { font-size: 13px; color: var(--text-bright); line-height: 1.3; }
.mock-doc-meta  { font-size: 9px; color: var(--text-dim); letter-spacing: 0.3px; }
.mock-doc-section { margin-bottom: 10px; }
.mock-doc-slabel {
  font-size: 8px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 5px;
}
.mock-doc-body { font-size: 11px; color: var(--text); line-height: 1.6; }
.mock-claim { font-size: 10px; color: var(--text); padding: 2px 0; letter-spacing: 0.2px; }
.mock-entity-strip { border-top: 1px solid var(--border); padding-top: 10px; }

/* Entity explorer mock content */
.mock-search-bar {
  background: var(--surface2); border: 1px solid var(--border2);
  padding: 7px 12px; font-size: 10px; color: var(--text-dim);
  margin-bottom: 8px; letter-spacing: 0.5px; font-family: var(--font);
}
.mock-filter-row { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 12px; }
.mock-filter {
  font-size: 9px; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 3px 9px; border: 1px solid var(--border2); color: var(--text-dim); cursor: pointer;
}
.mock-filter.active {
  border-color: var(--accent); color: var(--accent); background: rgba(74,158,255,0.08);
}
.mock-tl-filter-tag {
  font-size: 9px; letter-spacing: 0.8px; padding: 3px 8px;
  background: rgba(52,211,153,0.07); border: 1px solid rgba(52,211,153,0.28); color: var(--green);
}
.mock-entity-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.mock-entity-mini {
  background: var(--surface2); border: 1px solid var(--border);
  padding: 10px 12px; display: flex; flex-direction: column; gap: 3px;
}
.mem-name  { font-size: 11px; color: var(--text-bright); }
.mem-sub   { font-size: 10px; color: var(--text); }
.mem-stats { font-size: 9px; color: var(--text-dim); margin-top: 2px; }

/* Timeline mock content */
.mock-tl-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 5px; margin-bottom: 12px; }
.mock-tl-screen { }
.mock-tl-group { margin-bottom: 12px; }
.mock-tl-datelabel {
  font-size: 9px; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 6px;
}
.mock-tl-row { display: flex; gap: 10px; align-items: flex-start; }
.mock-tl-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0; margin-top: 3px;
}
.mock-tl-content { flex: 1; }
.mock-tl-event-name { font-size: 11px; color: var(--text-bright); margin-bottom: 2px; }
.mock-tl-event-desc { font-size: 10px; color: var(--text); line-height: 1.5; margin-bottom: 4px; }
.mock-tl-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 5px; font-size: 9px; color: var(--text-dim); }

/* Graph mock */
.mock-graph-svg { width: 100%; max-height: 210px; display: block; }

/* ── RESPONSIVE ───────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  /* ── Nav: hamburger dropdown ── */
  #nav { padding: 0 20px; }
  .nav-hamburger { display: block; }
  .nav-cta-desktop { display: none; }
  .nav-end .theme-toggle { display: none; }
  .nav-dropdown-brand,
  .nav-dropdown-footer { display: flex; }
  .nav-links {
    display: none; position: absolute; top: 52px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--surface); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border); z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links .nav-link {
    display: block; padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    font-size: 11px; letter-spacing: 1.5px;
    text-transform: uppercase; color: var(--text);
  }
  .nav-links .nav-link:last-child { border-bottom: none; }
  .nav-links .nav-link:hover { color: var(--text-bright); background: var(--surface2); text-decoration: none; }
  #nav .nav-dropdown-cta { display: block; width: 100%; }

  section { padding: 64px 20px; }

  #stats { padding: 24px 20px; gap: 0; flex-direction: column; }
  .stat-item { padding: 16px 24px; border-right: none; border-bottom: 1px solid var(--border); width: 100%; text-align: center; }
  .stat-item:last-child { border-bottom: none; }

  .features-grid { grid-template-columns: 1fr 1fr; }
  .tiers-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr 1fr; }

  .directions { flex-direction: column; }
  .direction-divider { text-align: center; padding: 4px 0; }

  .user-types-grid { grid-template-columns: 1fr; }
  .user-type-card { padding: 28px 24px; }

  .hiw-intro { flex-direction: column; gap: 32px; }
  .hiw-releases-callout { flex: none; width: 100%; }

  .source-tiers { flex-direction: column; }
  .source-tier-divider { padding: 8px 0; align-self: center; }

  .extract-grid { grid-template-columns: repeat(3, 1fr); }

  .mock-body { grid-template-columns: 1fr; gap: 0; }
  .mock-card { padding: 20px 16px; }

  .footer-inner { flex-direction: column; }
  .footer-links { flex-wrap: wrap; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 600px) {
  section { padding: 48px 16px; }

  .hero-inner { padding: 0; }
  .hero-headline { font-size: 28px; line-height: 1.4; }
  .hero-sub { font-size: 13px; padding: 0 24px; }
  .hero-actions { flex-direction: column; align-items: center; padding: 0 24px; }
  .btn-primary, .btn-secondary { width: 240px; text-align: center; }

  .entity-card-tabs { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .ect-btn { padding: 14px 12px; gap: 5px; }
  .ect-icon svg { width: 18px; height: 18px; }
  .ect-name { font-size: 10px; }

.features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card { padding: 28px 20px; }
  .extract-grid { grid-template-columns: repeat(2, 1fr); }

  .hiw-sublabel { margin: 32px 0 16px; }
  .tab-nav { overflow-x: auto; flex-wrap: nowrap; }
  .tab-btn { font-size: 9px; padding: 8px 12px; white-space: nowrap; }
  .entity-card-tabs { grid-template-columns: repeat(3, 1fr); }
  .ect-desc { display: none; }
  .mock-entity-grid { grid-template-columns: 1fr; }

  .footer-links { gap: 20px; }
}

@media (max-width: 480px) {
  .nav-cta { font-size: 9px; padding: 6px 12px; letter-spacing: 1px; }
}

@media (max-width: 768px) {
  /* Much stronger vignette on mobile — graph should barely show behind text */
  .hero-vignette {
    background: radial-gradient(ellipse at center,
      rgba(7,7,15,0.97) 0%,
      rgba(7,7,15,0.94) 28%,
      rgba(7,7,15,0.80) 52%,
      rgba(7,7,15,0.45) 72%,
      transparent 88%
    ) !important;
  }
  [data-theme="light"] .hero-vignette {
    background: radial-gradient(ellipse at center,
      rgba(238,242,248,0.97) 0%,
      rgba(238,242,248,0.94) 28%,
      rgba(238,242,248,0.80) 52%,
      rgba(238,242,248,0.45) 72%,
      transparent 88%
    ) !important;
  }
}

/* ── Scroll reveal animations ─────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* ═══════════════════════════════════════════════════════════════════════════
   TOOL SHOWCASE — 7-tab animated interface demos
   ═══════════════════════════════════════════════════════════════════════════ */

.tool-showcase { margin-top: 4px; }

.tool-tab-strip {
  display: flex; align-items: stretch;
  border-bottom: 1px solid var(--border);
  overflow-x: auto; overflow-y: hidden; scrollbar-width: none;
  position: relative;
  touch-action: pan-x;
  overscroll-behavior-x: contain;
}
.tool-tab-strip::-webkit-scrollbar { display: none; }
.tool-tab-spacer { flex: 1; }

.tool-tab {
  background: none; border: none;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  color: var(--text-dim); font-family: var(--font);
  font-size: 10px; letter-spacing: 2px; text-transform: uppercase;
  padding: 10px 18px 8px; cursor: pointer; white-space: nowrap;
  transition: color 0.15s; flex-shrink: 0;
}
.tool-tab:hover { color: var(--text); }
.tool-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.tool-progress-track {
  position: absolute; bottom: -1px; left: 0; right: 0;
  height: 2px; pointer-events: none; overflow: hidden;
}
.tool-progress-fill {
  height: 100%; width: 0; background: var(--accent); opacity: 0.45;
}

.tool-layout {
  display: grid; grid-template-columns: 260px 1fr;
  gap: 36px; margin-top: 28px; align-items: start;
}

.tool-blurb { display: none; padding-top: 8px; }
.tool-blurb.active { display: block; }
.tool-blurb-eyebrow {
  font-size: 9px; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 10px;
}
.tool-blurb-title {
  font-size: 19px; color: var(--text-bright); font-weight: bold;
  line-height: 1.35; margin-bottom: 14px;
}
.tool-blurb-desc {
  font-size: 12px; color: var(--text); line-height: 1.8; margin-bottom: 18px;
}
.tool-blurb-link {
  display: inline-block; font-size: 9px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--accent);
  border-bottom: 1px solid transparent; transition: border-color 0.15s;
}
.tool-blurb-link:hover { border-bottom-color: var(--accent); text-decoration: none; }

.tool-win-wrap {
  border: 1px solid #1e293b; overflow: hidden; background: #0d0d14;
  box-shadow: 0 0 0 1px rgba(30,41,59,.4), 0 24px 64px rgba(0,0,0,.55);
}
[data-theme="light"] .tool-win-wrap {
  box-shadow: 0 0 0 1px rgba(203,213,225,.7), 0 8px 40px rgba(0,0,0,.12);
}
.tool-chrome {
  height: 34px; background: #111120; border-bottom: 1px solid #1e293b;
  display: flex; align-items: center; padding: 0 12px; gap: 6px;
}
.tool-chrome-dot { width: 9px; height: 9px; border-radius: 50%; }
.tool-chrome-dot.r { background: #ff5f57; }
.tool-chrome-dot.y { background: #ffbd2e; }
.tool-chrome-dot.g { background: #28ca41; }
.tool-chrome-url {
  flex: 1; background: #080810; border: 1px solid #1e293b;
  margin: 0 8px; height: 18px;
  display: flex; align-items: center; padding: 0 8px;
  font-family: 'Courier New', monospace; font-size: 9px;
  color: #2d3f55; overflow: hidden; white-space: nowrap;
}

.tool-panels { position: relative; }
.tool-panel { display: none; height: 390px; overflow: hidden; }
.tool-panel.active { display: flex; flex-direction: column; }

[data-theme="light"] .tool-tab { color: #94a3b8; }
[data-theme="light"] .tool-tab:hover { color: #334155; }
[data-theme="light"] .tool-tab.active { color: #2563eb; border-bottom-color: #2563eb; }
[data-theme="light"] .tool-progress-fill { background: #2563eb; }
[data-theme="light"] .tool-blurb-eyebrow { color: #2563eb; }
[data-theme="light"] .tool-blurb-link { color: #2563eb; }
[data-theme="light"] .tool-blurb-link:hover { border-bottom-color: #2563eb; }

@media (max-width: 860px) {
  .tool-layout { grid-template-columns: 1fr; gap: 20px; }
  .tool-blurb { padding-top: 0; }
}
@media (max-width: 600px) {
  .tool-tab { font-size: 9px; padding: 9px 13px 7px; letter-spacing: 1.5px; }
  .tool-panel { height: 340px; }
}