/* ── Landing Page Styles ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0c0b09;
  --surface:  #141210;
  --surface2: #1c1914;
  --border:   #2d2820;
  --accent:   #c9a84c;
  --accent2:  #8b6914;
  --accent-glow: rgba(201,168,76,0.18);
  --green:    #4caf7d;
  --text:     #ede8de;
  --muted:    #8a8070;
  --muted2:   #5a5248;
  --danger:   #e05555;
  --radius:   10px;
  --font:     'Inter', system-ui, sans-serif;
  --serif:    'Playfair Display', Georgia, serif;
}

html { scroll-behavior: smooth; }

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

a { text-decoration: none; color: inherit; }

/* ── Utility ─────────────────────────────────────────────────────────────── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px; border-radius: var(--radius);
  font-family: var(--font); font-size: .9rem; font-weight: 600;
  cursor: pointer; border: none; transition: all .2s; white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: #0c0b09;
}
.btn-primary:hover { background: #d9b85c; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(201,168,76,.35); }
.btn-outline {
  background: transparent; color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--text); }
.btn-lg { padding: 14px 30px; font-size: 1rem; }
.btn-sm { padding: 8px 16px; font-size: .82rem; }

.section-eyebrow {
  font-size: .72rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent);
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.section-eyebrow::before, .section-eyebrow::after {
  content: ''; flex: none; display: block;
  width: 24px; height: 1px; background: var(--accent);
}

/* ── Top Navigation ──────────────────────────────────────────────────────── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 24px;
  background: rgba(12, 11, 9, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: background .3s;
}
.nav-inner {
  max-width: 1140px; margin: 0 auto;
  display: flex; align-items: center; gap: 20px;
  height: 64px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.1rem; letter-spacing: .01em;
  color: var(--text); flex-shrink: 0;
}
.nav-logo .logo-icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--accent); display: flex; align-items: center;
  justify-content: center; font-size: 1rem;
}
.logo-tree-icon {
  width: 32px; height: 32px; flex-shrink: 0;
  color: var(--accent);
}
.nav-logo .logo-sub {
  font-size: .7rem; font-weight: 500; color: var(--muted);
  display: block; letter-spacing: .04em;
}
.nav-links {
  display: flex; gap: 2px; margin-left: 28px;
}
.nav-links a {
  font-size: .87rem; font-weight: 500; color: var(--muted);
  padding: 6px 12px; border-radius: 7px; transition: all .15s;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,.06); }
.nav-spacer { flex: 1; }
.nav-ctas { display: flex; align-items: center; gap: 10px; }

/* ── Hero ────────────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex; align-items: center;
  overflow: hidden;
  padding-top: 64px;
}

/* Multi-layer atmospheric background */
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 70% 60% at 15% 50%, rgba(201,168,76,.06) 0%, transparent 70%),
    radial-gradient(ellipse 50% 80% at 85% 30%, rgba(76,175,125,.05) 0%, transparent 60%),
    radial-gradient(ellipse 100% 40% at 50% 100%, rgba(201,168,76,.04) 0%, transparent 50%),
    linear-gradient(165deg, #12100d 0%, #0e0c09 35%, #0a0c08 65%, #0c0b09 100%);
}

/* Decorative grid lines */
.hero-bg::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 80%);
}

/* Warm glow orb */
.hero-bg::after {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,.08) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  pointer-events: none;
}

/* Cotton Tree of Freetown — Sierra Leone background */
.hero-cotton-tree {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  pointer-events: none;
  overflow: hidden;
}
.hero-cotton-tree svg {
  height: 92%;
  width: auto;
  max-width: 72%;
  opacity: 0.055;
  /* soft golden glow — fades at top so text stays clear */
  mask-image: linear-gradient(
    to top,
    black 0%,
    black 30%,
    rgba(0,0,0,0.6) 60%,
    rgba(0,0,0,0.25) 80%,
    transparent 100%
  );
}

.hero-inner {
  position: relative; z-index: 1;
  max-width: 1140px; margin: 0 auto; padding: 80px 24px 100px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: start;
}

.hero-content { max-width: 580px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .75rem; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; color: var(--accent);
  padding: 5px 14px; border-radius: 20px;
  background: rgba(201,168,76,.1); border: 1px solid rgba(201,168,76,.2);
  margin-bottom: 24px;
}
.hero-eyebrow::before { content: '✦'; font-size: .7rem; }

.hero-title {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700; line-height: 1.15;
  color: var(--text);
  margin-bottom: 22px;
}
.hero-title em {
  font-style: normal; color: var(--accent);
  position: relative;
}
.hero-sub {
  font-size: 1.08rem; color: var(--muted);
  line-height: 1.7; margin-bottom: 36px; max-width: 480px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }

.hero-stats {
  display: flex; gap: 36px; flex-wrap: wrap;
  padding-top: 32px; border-top: 1px solid var(--border);
}
.hero-stat-num {
  font-size: 1.7rem; font-weight: 800; color: var(--accent);
  font-family: var(--serif); line-height: 1;
}
.hero-stat-label {
  font-size: .76rem; color: var(--muted); margin-top: 4px;
  text-transform: uppercase; letter-spacing: .06em;
}

/* Hero visual panel */
.hero-visual {
  position: relative; display: flex; justify-content: center; align-items: flex-start;
  padding-top: 40px;
}
.hero-tree {
  width: 100%; max-width: 460px;
  position: relative; height: 620px;
}
.hero-card-stack {
  position: relative; width: 100%; height: 100%;
}
.ancestor-card {
  position: absolute; background: var(--surface);
  border: 1px solid var(--border); border-radius: 14px;
  padding: 16px 18px; box-shadow: 0 8px 32px rgba(0,0,0,.55);
  transition: transform .25s, box-shadow .25s, z-index 0s;
  width: 57%;
}
/* Alternating left/right cascade — every card is fully visible */
.ancestor-card:nth-child(1) { top: 0px;   left: 0;    transform: rotate(-1.5deg);  z-index: 5; }
.ancestor-card:nth-child(2) { top: 108px; right: 0;   transform: rotate(1.5deg);   z-index: 4; }
.ancestor-card:nth-child(3) { top: 216px; left: 0;    transform: rotate(-1deg);    z-index: 3; }
.ancestor-card:nth-child(4) { top: 324px; right: 0;   transform: rotate(0.8deg);   z-index: 2; }
.ancestor-card:nth-child(5) { top: 448px; left: 18%;  width: 64%; transform: rotate(-0.5deg); z-index: 1; }

.ancestor-card:hover {
  transform: translateY(-5px) rotate(0deg) scale(1.03) !important;
  box-shadow: 0 16px 48px rgba(0,0,0,.7);
  z-index: 10 !important;
}
.ac-line {
  font-size: .65rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--accent); margin-bottom: 6px;
}
.ac-name { font-size: .92rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.ac-dates { font-size: .76rem; color: var(--muted); }
.ac-badge {
  display: inline-block; font-size: .62rem; font-weight: 600;
  padding: 2px 8px; border-radius: 10px; margin-top: 8px;
}
.ac-badge.verified { background: rgba(76,175,125,.15); color: var(--green); }
.ac-badge.pending  { background: rgba(201,168,76,.12); color: var(--accent); }
/* Tree connector lines */
.tree-connector {
  position: absolute; width: 100%; height: 100%;
  top: 0; left: 0; pointer-events: none; z-index: -1;
}

/* ── About ───────────────────────────────────────────────────────────────── */
.about {
  padding: 110px 0;
  position: relative;
}
.about::before {
  content: '';
  position: absolute; left: 0; right: 0; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 30%, var(--border) 70%, transparent);
}
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.about-label {
  font-size: .72rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 14px;
}
.about-title {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 600; line-height: 1.25; color: var(--text);
  margin-bottom: 22px;
}
.about-body {
  font-size: .97rem; color: var(--muted); line-height: 1.8;
  display: flex; flex-direction: column; gap: 16px;
}
.about-visual {
  position: relative; border-radius: 20px; overflow: hidden;
  background: var(--surface); border: 1px solid var(--border);
  aspect-ratio: 1;
}
.about-art {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  padding: 40px;
  background:
    radial-gradient(ellipse 70% 70% at 50% 50%, rgba(201,168,76,.07) 0%, transparent 70%),
    var(--surface);
}
.family-tree-svg { width: 100%; max-width: 320px; }

/* ── Features ────────────────────────────────────────────────────────────── */
.features {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg) 0%, #100e0b 50%, var(--bg) 100%);
}
.features-header { text-align: center; max-width: 620px; margin: 0 auto 60px; }
.features-title {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  font-weight: 700; color: var(--text); margin-bottom: 16px;
}
.features-sub { font-size: .97rem; color: var(--muted); line-height: 1.7; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 26px;
  transition: border-color .2s, transform .2s, box-shadow .2s;
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--accent); opacity: 0; transition: opacity .2s;
}
.feature-card:hover {
  border-color: rgba(201,168,76,.3);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,.4);
}
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(201,168,76,.1); border: 1px solid rgba(201,168,76,.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 18px;
}
.feature-card h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.feature-card p  { font-size: .87rem; color: var(--muted); line-height: 1.65; }
.feature-tag {
  display: inline-block; font-size: .65rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 8px; margin-top: 14px;
}
.tag-pro { background: rgba(201,168,76,.12); color: var(--accent); }
.tag-free { background: rgba(76,175,125,.12); color: var(--green); }
.tag-ai { background: rgba(120,100,200,.15); color: #a78bfa; }

/* ── Pricing ─────────────────────────────────────────────────────────────── */
.pricing {
  padding: 100px 0;
}
.pricing-header { text-align: center; max-width: 560px; margin: 0 auto 60px; }
.pricing-title {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  font-weight: 700; color: var(--text); margin-bottom: 16px;
}
.pricing-sub { font-size: .97rem; color: var(--muted); line-height: 1.7; }

.pricing-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 28px; max-width: 820px; margin: 0 auto;
}
.pricing-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 36px 32px;
  position: relative; transition: all .2s;
}
.pricing-card.featured {
  border-color: var(--accent);
  background: linear-gradient(145deg, #181510, #141210);
  box-shadow: 0 0 0 1px var(--accent), 0 20px 60px rgba(201,168,76,.12);
}
.pricing-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #0c0b09;
  font-size: .7rem; font-weight: 800; letter-spacing: .08em;
  text-transform: uppercase; padding: 4px 16px; border-radius: 20px;
}
.pricing-label { font-size: .75rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.pricing-card h3 {
  font-family: var(--serif); font-size: 1.5rem; font-weight: 700;
  color: var(--text); margin-bottom: 8px;
}
.pricing-price {
  display: flex; align-items: baseline; gap: 6px; margin: 18px 0 6px;
}
.price-num { font-size: 2.8rem; font-weight: 800; color: var(--accent); line-height: 1; }
.price-period { font-size: .85rem; color: var(--muted); }
.pricing-desc { font-size: .87rem; color: var(--muted); margin-bottom: 28px; line-height: 1.6; }
.pricing-divider { height: 1px; background: var(--border); margin-bottom: 24px; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 11px; margin-bottom: 32px; }
.pricing-features li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .88rem; color: var(--muted);
}
.pricing-features li .check { color: var(--green); flex-shrink: 0; font-size: .9rem; }
.pricing-features li .cross { color: var(--muted2); flex-shrink: 0; }
.pricing-features li.active-feature { color: var(--text); }
.pricing-cta { width: 100%; justify-content: center; }

/* ── Auth Modals ─────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,.75);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.modal-overlay.hidden { display: none; }
.auth-modal {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; width: 100%; max-width: 480px;
  max-height: 90vh; overflow-y: auto;
  box-shadow: 0 30px 80px rgba(0,0,0,.6);
}
.auth-modal-header {
  padding: 28px 28px 0;
  display: flex; justify-content: space-between; align-items: flex-start;
}
.auth-modal-header h2 { font-family: var(--serif); font-size: 1.5rem; font-weight: 700; color: var(--text); }
.auth-modal-header p  { font-size: .87rem; color: var(--muted); margin-top: 6px; }
.modal-close-btn {
  background: var(--surface2); border: none; cursor: pointer;
  width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: .85rem; margin-left: 12px; margin-top: 4px;
  transition: all .15s;
}
.modal-close-btn:hover { background: var(--border); color: var(--text); }
.auth-modal-body { padding: 24px 28px 32px; }

.form-section-label {
  font-size: .7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--accent); margin: 20px 0 12px;
  display: flex; align-items: center; gap: 8px;
}
.form-section-label::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-group label { font-size: .8rem; font-weight: 600; color: var(--muted); }
.form-group input, .form-group select {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 10px 13px;
  color: var(--text); font-size: .9rem; font-family: var(--font);
  outline: none; transition: border-color .15s;
  width: 100%;
}
.form-group input:focus, .form-group select:focus { border-color: var(--accent); }
.form-group input::placeholder { color: var(--muted2); }
.form-group select { cursor: pointer; }
.form-group select option { background: #1c1914; }

/* Plan selector */
.plan-selector { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.plan-option {
  border: 1.5px solid var(--border); border-radius: 10px; padding: 14px;
  cursor: pointer; transition: all .15s; text-align: left;
  background: var(--surface2);
}
.plan-option:hover { border-color: var(--accent2); }
.plan-option.selected { border-color: var(--accent); background: rgba(201,168,76,.07); }
.plan-option-name { font-size: .87rem; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.plan-option-price { font-size: .78rem; color: var(--muted); }
.plan-option.selected .plan-option-name { color: var(--accent); }
.plan-option-check {
  display: none; float: right; color: var(--accent); font-size: .85rem;
}
.plan-option.selected .plan-option-check { display: inline; }

/* Billing collapse */
.billing-section {
  overflow: hidden; max-height: 0; opacity: 0;
  transition: max-height .3s ease, opacity .25s ease;
}
.billing-section.visible { max-height: 500px; opacity: 1; }

.card-input-wrapper {
  position: relative;
}
.card-icon {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font-size: .9rem; pointer-events: none;
}

.auth-submit-btn {
  width: 100%; justify-content: center; margin-top: 8px; padding: 13px;
  font-size: .95rem;
}
.auth-switch {
  text-align: center; margin-top: 18px;
  font-size: .85rem; color: var(--muted);
}
.auth-switch button {
  background: none; border: none; cursor: pointer;
  color: var(--accent); font-weight: 600; font-size: .85rem;
  padding: 0; transition: color .15s;
}
.auth-switch button:hover { color: #d9b85c; }

.auth-alert {
  padding: 10px 14px; border-radius: 8px; font-size: .85rem;
  margin-bottom: 14px; display: none;
}
.auth-alert.error { background: rgba(224,85,85,.12); border: 1px solid rgba(224,85,85,.3); color: #f0a0a0; display: block; }
.auth-alert.success { background: rgba(76,175,125,.12); border: 1px solid rgba(76,175,125,.3); color: #90d9b5; display: block; }

/* ── Footer ──────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo-row {
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.footer-brand .logo-icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--accent); display: flex; align-items: center;
  justify-content: center; font-size: 1rem;
}
.footer-brand .logo-tree-icon {
  color: var(--accent);
}
.footer-brand .logo-name { font-size: 1rem; font-weight: 700; color: var(--text); }
.footer-brand p { font-size: .87rem; color: var(--muted); line-height: 1.7; max-width: 260px; }
.footer-col h4 {
  font-size: .75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--muted); margin-bottom: 14px;
}
.footer-col a {
  display: block; font-size: .87rem; color: var(--muted);
  padding: 5px 0; transition: color .15s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom span { font-size: .82rem; color: var(--muted2); }
.footer-bottom .powered-by {
  display: flex; align-items: center; gap: 8px;
  font-size: .78rem; color: var(--muted2);
}
.powered-badge {
  background: rgba(120,100,200,.15); color: #a78bfa;
  padding: 2px 10px; border-radius: 6px; font-size: .7rem; font-weight: 700;
  border: 1px solid rgba(120,100,200,.2);
}

/* ── Toast notification ──────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 3000;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 18px;
  box-shadow: 0 12px 40px rgba(0,0,0,.5);
  display: flex; align-items: center; gap: 12px;
  font-size: .88rem; color: var(--text); max-width: 340px;
  transform: translateY(80px); opacity: 0;
  transition: transform .3s cubic-bezier(.22,1,.36,1), opacity .25s;
  pointer-events: none;
}
.toast.show { transform: translateY(0); opacity: 1; pointer-events: auto; }
.toast-icon { font-size: 1.1rem; flex-shrink: 0; }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .plan-selector { grid-template-columns: 1fr; }
}

/* ── Three-tier pricing layout ────────────────────────────────────────────── */
.pricing-toggle {
  display: flex; align-items: center; gap: 10px; justify-content: center;
  margin-top: 22px;
}
.toggle-label { font-size: .87rem; font-weight: 600; color: var(--muted); transition: color .2s; }
.toggle-switch { position: relative; width: 44px; height: 24px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-track {
  position: absolute; inset: 0; border-radius: 12px;
  background: var(--surface2); border: 1px solid var(--border);
  cursor: pointer; transition: background .2s;
}
.toggle-track::before {
  content: ''; position: absolute;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--muted); top: 2px; left: 2px;
  transition: transform .2s, background .2s;
}
.toggle-switch input:checked + .toggle-track { background: rgba(201,168,76,.2); border-color: var(--accent2); }
.toggle-switch input:checked + .toggle-track::before { transform: translateX(20px); background: var(--accent); }
.annual-badge {
  font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 10px; color: var(--green);
  background: rgba(76,175,125,.12); border: 1px solid rgba(76,175,125,.2);
}
.annual-badge.hidden { display: none; }

.pricing-grid-3 {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 22px; align-items: start; margin-bottom: 56px;
}
.pricing-section-head {
  font-size: .68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--muted); margin: 14px 0 10px;
}
.pricing-section-head.off-head { color: var(--muted2); margin-top: 6px; }

.pricing-annual-note {
  font-size: .8rem; color: var(--accent); margin-bottom: 6px; margin-top: -6px;
}
.pricing-annual-note.hidden { display: none; }

/* Free tier card */
.pc-free {
  background: var(--surface); border: 1px solid var(--border);
}
/* Basic / Most popular */
.pc-basic.featured {
  border-color: var(--accent);
  background: linear-gradient(150deg, #1a1710, #141210);
  box-shadow: 0 0 0 1px rgba(201,168,76,.4), 0 20px 60px rgba(201,168,76,.1);
}
/* Upgrade tier card */
.pc-upgrade {
  background: linear-gradient(150deg, #0f110e, #0c100b);
  border: 1px solid rgba(76,175,125,.2);
}
.pc-upgrade .price-upgrade { color: var(--green); }

/* Upgrade tier CTA button */
.btn-upgrade {
  background: rgba(76,175,125,.15); color: var(--green);
  border: 1px solid rgba(76,175,125,.3);
}
.btn-upgrade:hover {
  background: rgba(76,175,125,.25); transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(76,175,125,.2);
}

.price-free { color: var(--muted); }
.pricing-cta-note {
  text-align: center; font-size: .74rem; color: var(--muted2);
  margin-top: 10px;
}

/* Upgrade trigger box */
.upgrade-trigger-box {
  display: flex; align-items: flex-start; gap: 9px;
  padding: 11px 13px; border-radius: 9px;
  background: rgba(201,168,76,.05); border: 1px dashed rgba(201,168,76,.18);
  font-size: .78rem; color: var(--muted); line-height: 1.5;
  margin: 12px 0;
}
.trigger-icon { font-size: .95rem; flex-shrink: 0; margin-top: 1px; }

/* Plan detail box in signup modal */
.plan-detail-box {
  padding: 9px 13px; border-radius: 8px; margin-bottom: 10px;
  background: rgba(201,168,76,.06); border: 1px solid rgba(201,168,76,.14);
  font-size: .8rem; color: var(--muted); line-height: 1.5;
}

/* Three-plan selector */
.plan-selector-3 { grid-template-columns: repeat(3, 1fr); }
.plan-option-upgrade { border-color: rgba(76,175,125,.2) !important; }
.plan-option-upgrade.selected {
  border-color: var(--green) !important;
  background: rgba(76,175,125,.07) !important;
}
.plan-option-upgrade.selected .plan-option-name { color: var(--green) !important; }

/* ── Comparison table ─────────────────────────────────────────────────────── */
.compare-table-wrap {
  margin-top: 0;
}
.compare-table-header {
  text-align: center; margin-bottom: 24px;
}
.compare-table {
  border-radius: 14px; overflow: hidden;
  border: 1px solid var(--border);
}
.compare-table table {
  width: 100%; border-collapse: collapse;
  font-size: .87rem;
}
.compare-table thead tr {
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
}
.compare-table th {
  padding: 14px 16px; font-weight: 700;
  color: var(--text); text-align: center;
}
.compare-feature-col { text-align: left !important; width: 34%; }
.ct-featured {
  background: rgba(201,168,76,.04);
  border-left: 1px solid rgba(201,168,76,.15);
  border-right: 1px solid rgba(201,168,76,.15);
}
.ct-tier-name { font-size: .88rem; color: var(--text); }
.ct-tier-price { font-size: .74rem; color: var(--muted); font-weight: 500; }

.compare-table tbody tr {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  transition: background .12s;
}
.compare-table tbody tr:hover { background: var(--surface2); }
.compare-table tbody tr:last-child { border-bottom: none; }
.compare-table td {
  padding: 12px 16px; color: var(--muted); text-align: center;
}
.compare-table td:first-child { text-align: left; color: var(--text); font-weight: 500; }

.compare-group-row { background: var(--surface2) !important; }
.compare-group-row td {
  font-size: .68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--muted); padding: 8px 16px !important;
  text-align: left !important;
}

/* Cell value styles */
.ct-yes     { color: var(--green); font-weight: 600; font-size: .83rem; }
.ct-partial { color: var(--accent); font-weight: 600; font-size: .83rem; }
.ct-limited { color: var(--muted); font-size: .83rem; }
.ct-no      { color: var(--muted2); font-size: .82rem; }

/* ── Responsive updates for 3-col pricing ─────────────────────────────────── */
@media (max-width: 1060px) {
  .pricing-grid-3 { grid-template-columns: 1fr 1fr; }
  .pc-free { grid-column: 1 / -1; max-width: 460px; margin: 0 auto; width: 100%; }
}
@media (max-width: 640px) {
  .pricing-grid-3 { grid-template-columns: 1fr; }
  .pc-free { grid-column: auto; max-width: none; }
  .plan-selector-3 { grid-template-columns: 1fr; }
  .compare-table { overflow-x: auto; }
  .compare-table table { min-width: 500px; }
}

/* ── About — two-component layout ────────────────────────────────────────── */
.about-component {
  margin-top: 18px; padding: 16px 18px;
  background: var(--surface2); border-radius: 10px;
  border-left: 3px solid var(--accent);
}
.about-component + .about-component { border-left-color: var(--green); }
.about-component-label {
  font-size: .68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--accent); margin-bottom: 8px;
}
.about-component + .about-component .about-component-label { color: var(--green); }
.about-component p { font-size: .88rem; color: var(--muted); line-height: 1.7; margin: 0; }

.about-databases { margin-top: 24px; }
.about-db-label {
  font-size: .75rem; font-weight: 600; color: var(--muted);
  margin-bottom: 10px;
}
.about-db-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.db-pill {
  font-size: .78rem; font-weight: 600; padding: 5px 13px; border-radius: 20px;
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text); white-space: nowrap;
}

/* ── 1870 Brick Wall section ─────────────────────────────────────────────── */
.brick-wall {
  padding: 100px 0;
  background: linear-gradient(180deg, #0a0804 0%, #0d0c09 50%, #0a0804 100%);
  position: relative;
}
.brick-wall::before {
  content: '';
  position: absolute; left: 0; right: 0; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 30%, var(--border) 70%, transparent);
}
.bw-header { text-align: center; max-width: 700px; margin: 0 auto 56px; }
.bw-title {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 700; line-height: 1.2; color: var(--text); margin-bottom: 16px;
}
.bw-highlight { color: var(--accent); }
.bw-sub { font-size: .97rem; color: var(--muted); line-height: 1.75; }

/* Wall concept bar */
.bw-timeline {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 0;
  align-items: center; margin-bottom: 56px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden;
}
.bw-before-block, .bw-after-block {
  padding: 28px 28px;
}
.bw-before-block { border-right: 1px solid var(--border); }
.bw-after-block  { border-left: 1px solid var(--border); }
.bw-era-label {
  font-size: .72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; margin-bottom: 10px;
}
.bw-before-block .bw-era-label { color: var(--muted2); }
.bw-after-block  .bw-era-label { color: var(--accent); }
.bw-era-desc { font-size: .87rem; color: var(--muted); line-height: 1.65; }
.bw-era-icon { font-size: 1.5rem; margin-top: 14px; }
.bw-wall-divider {
  display: flex; flex-direction: column; align-items: center;
  gap: 0; padding: 0 20px;
}
.bw-wall-line-vis {
  width: 2px; height: 40px;
  background: linear-gradient(to bottom, transparent, var(--border));
}
.bw-wall-line-vis:last-child {
  background: linear-gradient(to bottom, var(--border), transparent);
}
.bw-wall-badge {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px;
  font-size: .62rem; font-weight: 800; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted); text-align: center;
  line-height: 1.4;
}

/* Five record type cards */
.bw-records-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.bw-records-grid .bw-record-card:nth-child(4) { grid-column: 1; }
.bw-records-grid .bw-record-card:nth-child(5) { grid-column: 2; }

.bw-record-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px; padding: 22px;
  transition: border-color .2s, transform .2s;
  position: relative; overflow: hidden;
}
.bw-record-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0; transition: opacity .2s;
}
.bw-record-card:hover { border-color: rgba(201,168,76,.3); transform: translateY(-2px); }
.bw-record-card:hover::before { opacity: 1; }

.bw-record-icon { font-size: 1.4rem; margin-bottom: 10px; }
.bw-record-name { font-size: .97rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.bw-record-dates { font-size: .72rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .08em; color: var(--accent); margin-bottom: 12px; }
.bw-record-desc { font-size: .84rem; color: var(--muted); line-height: 1.7; margin-bottom: 14px; }
.bw-record-extracts {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.bw-record-extracts span {
  font-size: .68rem; font-weight: 600; padding: 3px 9px; border-radius: 8px;
  background: rgba(201,168,76,.08); color: var(--accent);
  border: 1px solid rgba(201,168,76,.15);
}

/* ── Features — pillar cards ──────────────────────────────────────────────── */
.features-pillars {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 22px; margin-bottom: 56px;
}
.pillar-card {
  border-radius: 16px; padding: 30px;
  border: 1px solid var(--border);
  transition: border-color .2s;
}
.pillar-research { background: linear-gradient(145deg, #181510, var(--surface)); border-color: rgba(201,168,76,.2); }
.pillar-archive  { background: linear-gradient(145deg, #101814, var(--surface)); border-color: rgba(76,175,125,.18); }
.pillar-tree     { background: linear-gradient(145deg, #101318, var(--surface)); border-color: rgba(100,160,220,.18); }
.pillar-research:hover { border-color: rgba(201,168,76,.4); }
.pillar-archive:hover  { border-color: rgba(76,175,125,.35); }
.pillar-tree:hover     { border-color: rgba(100,160,220,.4); }
.pillar-num-blue { color: rgba(100,160,220,.28); }
.pillar-tree .pillar-eyebrow { color: #6fa8d6; }
.tag-tree { background: rgba(100,160,220,.12); color: #6fa8d6; }

.pillar-header { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 18px; }
.pillar-num {
  font-family: var(--serif); font-size: 2.4rem; font-weight: 700;
  color: rgba(201,168,76,.25); line-height: 1; flex-shrink: 0; margin-top: -4px;
}
.pillar-num-green { color: rgba(76,175,125,.25); }
.pillar-eyebrow {
  font-size: .68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--accent); margin-bottom: 5px;
}
.pillar-archive .pillar-eyebrow { color: var(--green); }
.pillar-title { font-size: 1.2rem; font-weight: 700; color: var(--text); }
.pillar-desc { font-size: .88rem; color: var(--muted); line-height: 1.75; margin-bottom: 14px; }
.pillar-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }

/* Databases section */
.databases-header { text-align: center; margin-bottom: 28px; }
.databases-sub { font-size: .9rem; color: var(--muted); line-height: 1.65; max-width: 600px; margin: 8px auto 0; }

.databases-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 18px; margin-bottom: 32px;
}
.db-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 22px;
  transition: border-color .2s, transform .2s;
}
.db-card:hover { border-color: rgba(201,168,76,.25); transform: translateY(-2px); }
.db-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.db-icon { font-size: 1.5rem; flex-shrink: 0; }
.db-name { font-size: .97rem; font-weight: 700; color: var(--text); }
.db-tagline { font-size: .72rem; color: var(--muted); margin-top: 2px; }
.db-desc { font-size: .85rem; color: var(--muted); line-height: 1.7; margin-bottom: 14px; }
.db-fields {
  display: flex; flex-wrap: wrap; gap: 5px;
}
.db-fields span {
  font-size: .68rem; padding: 3px 9px; border-radius: 8px;
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--muted);
}

/* Claude callout banner */
.claude-callout {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 22px 26px; border-radius: 14px;
  background: rgba(120,100,200,.07);
  border: 1px solid rgba(120,100,200,.2);
}
.claude-callout-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.claude-callout-title {
  font-size: .95rem; font-weight: 700; color: #c4b5fd; margin-bottom: 6px;
}
.claude-callout-body { font-size: .87rem; color: var(--muted); line-height: 1.7; }

/* ── Responsive additions ─────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .bw-records-grid { grid-template-columns: 1fr 1fr; }
  .bw-records-grid .bw-record-card:nth-child(4),
  .bw-records-grid .bw-record-card:nth-child(5) { grid-column: auto; }
  .features-pillars { grid-template-columns: 1fr 1fr; }
  .features-pillars .pillar-tree { grid-column: 1 / -1; }
  .databases-grid { grid-template-columns: 1fr; }
  .bw-timeline { grid-template-columns: 1fr; }
  .bw-before-block { border-right: none; border-bottom: 1px solid var(--border); }
  .bw-after-block  { border-left: none; border-top: 1px solid var(--border); }
  .bw-wall-divider { flex-direction: row; padding: 20px; }
  .bw-wall-line-vis { width: 40px; height: 2px; }
}
@media (max-width: 640px) {
  .bw-records-grid { grid-template-columns: 1fr; }
  .about-db-pills { gap: 6px; }
}