/* ═══════════════════════════════════════════════════════════════════
   Genealogy Tree – Stylesheet  v1.0.0
   MLM Mind | css/genealogy-tree.css
   Design: Cyan/Teal premium SaaS UI (Network visualisation palette)
═══════════════════════════════════════════════════════════════════ */

/* ── Custom Properties ─────────────────────────────────────────── */
:root {
  --primary:        #0891b2;
  --primary-dark:   #0e7490;
  --primary-light:  #cffafe;
  --secondary:      #22d3ee;
  --secondary-dark: #0891b2;
  --secondary-light:#ecfeff;
  --accent:         #f59e0b;
  --accent-dark:    #d97706;
  --accent-light:   #fffbeb;
  --violet:         #7c3aed;
  --green:          #10b981;
  --blue:           #3b82f6;
  --rose:           #f43f5e;
  --orange:         #f97316;

  /* Dark palette – deep navy charcoal */
  --dark:           #020810;
  --dark-2:         #040e1a;
  --dark-3:         #071624;
  --dark-4:         #0c1f30;
  --dark-5:         #112840;

  /* Mid / light */
  --mid:            #64748b;
  --mid-light:      #94a3b8;
  --border:         rgba(34,211,238,.18);
  --border-light:   rgba(34,211,238,.08);
  --light:          #ecfeff;
  --white:          #ffffff;

  /* Semantics */
  --success:  #10b981;
  --warning:  #f59e0b;
  --danger:   #ef4444;
  --info:     #06b6d4;

  /* Shadows */
  --shadow-xs: 0 1px 3px rgba(0,0,0,.10);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.14);
  --shadow-md: 0 4px 20px rgba(0,0,0,.18);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.22);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.28);
  --glow:      0 0 40px rgba(34,211,238,.28);
  --glow-sm:   0 0 18px rgba(34,211,238,.18);

  /* Radii */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   18px;
  --radius-xl:   26px;
  --radius-full: 999px;

  /* Typography */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Motion */
  --ease:        cubic-bezier(.4,0,.2,1);
  --ease-bounce: cubic-bezier(.34,1.56,.64,1);
  --transition:  .3s var(--ease);

  /* Layout */
  --container:   1240px;
  --section-pad: 96px;
}

/* ── Reset & Base ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--dark);
  color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── Scroll Progress ───────────────────────────────────────────── */
.scroll-bar {
  position: fixed; top: 0; left: 0; z-index: 9999;
  height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width .1s linear;
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

/* ── Container & Utilities ─────────────────────────────────────── */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section    { padding: var(--section-pad) 0; }
.section-alt{ padding: var(--section-pad) 0; background: var(--dark-2); }
.text-center{ text-align: center; }
.mt-8  { margin-top:8px; }
.mt-16 { margin-top:16px; }
.mt-24 { margin-top:24px; }
.mt-32 { margin-top:32px; }
.mt-48 { margin-top:48px; }
.mb-8  { margin-bottom:8px; }
.mb-16 { margin-bottom:16px; }

/* ── Grid Helpers ──────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 24px; }

/* ── Typography ────────────────────────────────────────────────── */
h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.25; }
h1 { font-size: clamp(2rem,5vw,3.25rem); }
h2 { font-size: clamp(1.6rem,3.5vw,2.4rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }
h5 { font-size: 1rem; }
p  { color: var(--mid-light); }
strong { color: var(--white); font-weight: 600; }

/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius-md);
  font-weight: 600; font-size: .95rem;
  transition: all var(--transition); cursor: pointer; border: 2px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white); box-shadow: var(--glow-sm);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--glow); filter: brightness(1.1); color: var(--white); }
.btn-outline { border-color: var(--secondary); color: var(--secondary); }
.btn-outline:hover { background: rgba(34,211,238,.1); transform: translateY(-2px); }
.btn-ghost-white { border-color: rgba(255,255,255,.3); color: var(--white); }
.btn-ghost-white:hover { background: rgba(255,255,255,.08); transform: translateY(-2px); }
.btn-lg { padding: 14px 32px; font-size: 1.05rem; }
.btn-group { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* ── Badges ────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: var(--radius-full);
  font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.badge-primary { background: rgba(34,211,238,.15); color: var(--secondary); border: 1px solid rgba(34,211,238,.25); }
.badge-accent  { background: rgba(245,158,11,.15);  color: var(--accent);    border: 1px solid rgba(245,158,11,.25); }

/* ── Chips ─────────────────────────────────────────────────────── */
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: var(--radius-full); font-size: .72rem; font-weight: 600; border: 1px solid; }
.chip-cyan   { background: rgba(34,211,238,.1);  color: #22d3ee; border-color: rgba(34,211,238,.25); }
.chip-green  { background: rgba(16,185,129,.1);  color: #34d399; border-color: rgba(16,185,129,.25); }
.chip-teal   { background: rgba(13,148,136,.1);  color: #2dd4bf; border-color: rgba(13,148,136,.25); }
.chip-amber  { background: rgba(245,158,11,.1);  color: #fbbf24; border-color: rgba(245,158,11,.25); }
.chip-violet { background: rgba(124,58,237,.1);  color: #a78bfa; border-color: rgba(124,58,237,.25); }
.chip-blue   { background: rgba(59,130,246,.1);  color: #60a5fa; border-color: rgba(59,130,246,.25); }
.chip-rose   { background: rgba(244,63,94,.1);   color: #fb7185; border-color: rgba(244,63,94,.25); }
.chip-orange { background: rgba(249,115,22,.1);  color: #fb923c; border-color: rgba(249,115,22,.25); }
.chip-sky    { background: rgba(14,165,233,.1);  color: #38bdf8; border-color: rgba(14,165,233,.25); }

/* ── Breadcrumb ────────────────────────────────────────────────── */
.breadcrumb { background: var(--dark-2); border-bottom: 1px solid var(--border-light); padding: 12px 0; }
.bc-list { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.bc-list li a { color: var(--mid-light); font-size: .85rem; }
.bc-list li a:hover { color: var(--secondary); }
.bc-list .active { color: var(--secondary); font-size: .85rem; font-weight: 600; }
.bc-list i { color: var(--mid); font-size: .65rem; }

/* ── Section Header ────────────────────────────────────────────── */
.section-header { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.sec-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(34,211,238,.1); color: var(--secondary);
  border: 1px solid rgba(34,211,238,.2); border-radius: var(--radius-full);
  padding: 5px 14px; font-size: .78rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px;
}
.section-title { color: var(--white); margin-bottom: 16px; }
.section-title span { color: var(--secondary); }
.section-desc { color: var(--mid-light); font-size: 1.05rem; line-height: 1.7; }

/* ── Hero ──────────────────────────────────────────────────────── */
.hero {
  padding: 100px 0 80px;
  background:
    radial-gradient(ellipse 80% 60% at 60% -10%, rgba(8,145,178,.20) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 80%, rgba(14,116,144,.14) 0%, transparent 55%),
    linear-gradient(160deg, var(--dark) 0%, var(--dark-3) 60%, var(--dark-4) 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content:''; position:absolute; inset:0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2322d3ee' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='1.5'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-wrap {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 56px; align-items: center; position: relative; z-index: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(34,211,238,.1); color: var(--secondary);
  border: 1px solid rgba(34,211,238,.25); border-radius: var(--radius-full);
  padding: 6px 16px; font-size: .82rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; margin-bottom: 20px;
}
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 span { color: var(--secondary); }
.hero-sub { font-size: 1.1rem; color: var(--mid-light); line-height: 1.75; margin-bottom: 8px; }
.hero-stats {
  display: flex; gap: 32px; margin-top: 32px; flex-wrap: wrap;
  padding-top: 28px; border-top: 1px solid var(--border-light);
}
.hstat { display: flex; flex-direction: column; gap: 3px; }
.hstat-num { font-size: 1.7rem; font-weight: 800; color: var(--secondary); line-height: 1; }
.hstat-label { font-size: .78rem; color: var(--mid); text-transform: uppercase; letter-spacing: .06em; }

/* ── Tree Visual (Hero aside) ──────────────────────────────────── */
.tree-visual-wrap {
  background: linear-gradient(135deg, var(--dark-3), var(--dark-4));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  position: relative;
  box-shadow: var(--shadow-xl), var(--glow-sm);
}
.sla-chip {
  position: absolute; top: -13px; right: 24px;
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  color: #fff; font-size: .72rem; font-weight: 700;
  padding: 4px 14px; border-radius: var(--radius-full);
  letter-spacing: .06em; text-transform: uppercase;
}
.flow-label { color: var(--white); font-weight: 700; font-size: 1rem; text-align: center; margin-bottom: 4px; }
.flow-sublabel { color: var(--mid); font-size: .78rem; text-align: center; margin-bottom: 20px; }

/* SVG Tree nodes */
.tree-svg-wrap {
  display: flex; flex-direction: column; align-items: center; gap: 0;
}
.tree-level { display: flex; justify-content: center; gap: 10px; position: relative; }
.tree-level + .tree-level { margin-top: 8px; }

.tree-node {
  background: rgba(34,211,238,.08); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 8px 12px; text-align: center;
  min-width: 80px; transition: all var(--transition); position: relative;
}
.tree-node:hover { background: rgba(34,211,238,.16); border-color: var(--secondary); transform: translateY(-2px); }
.tree-node.root { background: linear-gradient(135deg,var(--primary),var(--secondary)); border: none; }
.tree-node.root .tn-name { color: #fff; }
.tree-node.root .tn-rank { color: rgba(255,255,255,.8); }
.tree-node.active-node { border-color: var(--accent); background: rgba(245,158,11,.08); }
.tn-avatar {
  width: 28px; height: 28px; border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  font-size: .65rem; font-weight: 700; margin: 0 auto 4px;
  background: rgba(34,211,238,.2); color: var(--secondary);
}
.tree-node.root .tn-avatar { background: rgba(255,255,255,.25); color: #fff; }
.tn-name { font-size: .7rem; font-weight: 700; color: var(--white); }
.tn-rank { font-size: .6rem; color: var(--mid-light); }
.tree-connector {
  display: flex; justify-content: center;
  color: var(--secondary); font-size: .75rem; opacity: .5; margin: 2px 0;
}

.tree-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 16px; }
.ts-card {
  background: rgba(34,211,238,.06); border: 1px solid var(--border-light);
  border-radius: var(--radius-md); padding: 12px 10px; text-align: center;
}
.ts-val { display: block; font-size: 1.1rem; font-weight: 800; color: var(--secondary); font-family: var(--font-mono); }
.ts-key { display: block; font-size: .65rem; color: var(--mid); text-transform: uppercase; letter-spacing: .05em; margin-top: 2px; }

/* ── Stats Strip ───────────────────────────────────────────────── */
.stats-strip {
  background: linear-gradient(135deg, var(--dark-4), var(--dark-5));
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 36px 0;
}
.stats-grid { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 24px; }
.stat-item { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.stat-num { font-size: 2rem; font-weight: 800; color: var(--secondary); line-height: 1; }
.stat-label { font-size: .78rem; color: var(--mid); text-transform: uppercase; letter-spacing: .06em; }

/* ── Info / Compliance Boxes ───────────────────────────────────── */
.info-box {
  background: rgba(34,211,238,.06); border: 1px solid rgba(34,211,238,.2);
  border-left: 4px solid var(--secondary); border-radius: var(--radius-md);
  padding: 18px 20px; font-size: .9rem;
}
.compliance-box {
  background: rgba(245,158,11,.05); border: 1px solid rgba(245,158,11,.2);
  border-left: 4px solid var(--accent); border-radius: var(--radius-md);
  padding: 18px 20px; font-size: .88rem; margin-top: 24px;
}

/* ── Steps Grid ────────────────────────────────────────────────── */
.steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.step-card {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 24px;
  transition: all var(--transition);
}
.step-card:hover { border-color: var(--secondary); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.step-num {
  width: 42px; height: 42px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800; color: #fff;
  margin-bottom: 16px; box-shadow: var(--glow-sm);
}
.step-card h4 { color: var(--white); margin-bottom: 10px; }
.step-card p { font-size: .9rem; line-height: 1.6; }

/* ── Feature Tabs ──────────────────────────────────────────────── */
.feat-tabs-wrap { background: var(--dark-3); border: 1px solid var(--border); border-radius: var(--radius-xl); overflow: hidden; }
.feat-tabs-nav {
  display: flex; flex-wrap: wrap; gap: 0;
  border-bottom: 1px solid var(--border);
  background: var(--dark-4);
}
.tab-btn {
  flex: 1; min-width: 120px;
  padding: 16px 18px; font-size: .82rem; font-weight: 600;
  color: var(--mid-light); border-bottom: 3px solid transparent;
  transition: all var(--transition); text-align: center;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.tab-btn:hover { color: var(--secondary); background: rgba(34,211,238,.05); }
.tab-btn.active { color: var(--secondary); border-bottom-color: var(--secondary); background: rgba(34,211,238,.07); }
.tab-panel { display: none; padding: 36px; }
.tab-panel.active { display: block; }
.feat-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.feat-item {
  background: var(--dark-4); border: 1px solid var(--border-light);
  border-radius: var(--radius-md); padding: 20px;
  transition: all var(--transition);
}
.feat-item:hover { border-color: var(--secondary); transform: translateY(-3px); }
.feat-item i { font-size: 1.3rem; margin-bottom: 10px; display: block; }
.feat-item h5 { color: var(--white); margin-bottom: 6px; }
.feat-item p { font-size: .84rem; line-height: 1.55; }

/* ── Icon Colours ──────────────────────────────────────────────── */
.ic-violet { background: rgba(124,58,237,.15); color: #a78bfa; }
.ic-blue   { background: rgba(59,130,246,.15);  color: #60a5fa; }
.ic-green  { background: rgba(16,185,129,.15);  color: #34d399; }
.ic-teal   { background: rgba(13,148,136,.15);  color: #2dd4bf; }
.ic-amber  { background: rgba(245,158,11,.15);  color: #fbbf24; }
.ic-rose   { background: rgba(244,63,94,.15);   color: #fb7185; }
.ic-orange { background: rgba(249,115,22,.15);  color: #fb923c; }
.ic-sky    { background: rgba(14,165,233,.15);  color: #38bdf8; }
.ic-cyan   { background: rgba(34,211,238,.15);  color: #22d3ee; }
.ic-indigo { background: rgba(99,102,241,.15);  color: #818cf8; }
.ic-purple { background: rgba(168,85,247,.15);  color: #c084fc; }

/* ── Tree Types Grid ───────────────────────────────────────────── */
.tree-types-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.tree-type-card {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 24px; text-align: center;
  transition: all var(--transition);
}
.tree-type-card:hover { border-color: var(--secondary); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.tree-type-icon {
  width: 56px; height: 56px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin: 0 auto 14px;
}
.tree-type-card h4 { color: var(--white); font-size: 1rem; margin-bottom: 8px; }
.tree-type-card p { font-size: .84rem; line-height: 1.55; }
.tree-type-tag {
  display: inline-flex; align-items: center; gap: 4px; margin-top: 10px;
  background: rgba(34,211,238,.1); color: var(--secondary);
  border: 1px solid rgba(34,211,238,.2); border-radius: var(--radius-full);
  padding: 3px 10px; font-size: .7rem; font-weight: 700;
}

/* ── Benefits Grid ─────────────────────────────────────────────── */
.benefits-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.benefit-card {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 24px;
  transition: all var(--transition);
}
.benefit-card:hover { border-color: var(--secondary); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.benefit-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; margin-bottom: 16px;
}
.benefit-card h4 { color: var(--white); margin-bottom: 10px; }
.benefit-card p { font-size: .88rem; line-height: 1.6; }

/* ── Why Grid ──────────────────────────────────────────────────── */
.why-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.why-card {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 24px;
  transition: all var(--transition);
}
.why-card:hover { border-color: var(--secondary); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.why-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; margin-bottom: 16px;
}
.why-card h4 { color: var(--white); margin-bottom: 10px; }
.why-card p { font-size: .88rem; line-height: 1.6; }

/* ── Performance Metrics ───────────────────────────────────────── */
.metrics-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.metric-card {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px 20px; text-align: center;
  transition: all var(--transition);
}
.metric-card:hover { border-color: var(--secondary); transform: translateY(-4px); }
.metric-val { font-size: 2rem; font-weight: 800; color: var(--secondary); font-family: var(--font-mono); display: block; line-height: 1; margin-bottom: 6px; }
.metric-label { font-size: .78rem; color: var(--mid); text-transform: uppercase; letter-spacing: .06em; }
.metric-desc { font-size: .8rem; color: var(--mid-light); margin-top: 8px; }

/* ── Code Block ────────────────────────────────────────────────── */
.code-block {
  background: var(--dark-5); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 24px;
  font-family: var(--font-mono); font-size: .8rem;
  line-height: 1.7; overflow-x: auto; color: #c9d1d9;
  white-space: pre;
}
.code-block .cmt { color: #6e7681; }
.code-block .kw  { color: #22d3ee; }
.code-block .fn  { color: #60a5fa; }
.code-block .str { color: #34d399; }
.code-block .num { color: #fbbf24; }

/* ── Logic Grid ────────────────────────────────────────────────── */
.logic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }

/* ── Comparison Diff ───────────────────────────────────────────── */
.comp-diff-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.comp-diff-card {
  background: var(--dark-4); border: 1px solid var(--border-light);
  border-radius: var(--radius-md); padding: 18px;
  transition: all var(--transition);
}
.comp-diff-card:hover { border-color: var(--secondary); }
.comp-diff-icon {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem; margin-bottom: 10px;
}
.comp-diff-card h5 { color: var(--white); margin-bottom: 6px; font-size: .9rem; }
.comp-diff-desc { font-size: .8rem; line-height: 1.5; }

/* ── Compare Table ─────────────────────────────────────────────── */
.compare-table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.compare-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.compare-table th {
  background: var(--dark-4); color: var(--secondary);
  padding: 14px 18px; text-align: left; font-weight: 700;
  font-size: .78rem; text-transform: uppercase; letter-spacing: .06em;
  border-bottom: 1px solid var(--border);
}
.compare-table .highlight-col { background: rgba(34,211,238,.06); }
.compare-table td {
  padding: 12px 18px; border-bottom: 1px solid var(--border-light);
  color: var(--mid-light); vertical-align: middle;
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover td { background: rgba(34,211,238,.03); }
.check-yes  { color: #34d399; }
.check-no   { color: #fb7185; }
.check-partial { color: #fbbf24; }

/* ── Security Grid ─────────────────────────────────────────────── */
.security-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.security-card {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 24px;
  transition: all var(--transition);
}
.security-card:hover { border-color: var(--secondary); transform: translateY(-4px); }
.security-icon { font-size: 1.8rem; margin-bottom: 14px; }
.security-card h5 { color: var(--white); margin-bottom: 8px; }
.security-card p { font-size: .86rem; line-height: 1.6; }

/* ── Case Study ────────────────────────────────────────────────── */
.case-study-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.kpi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.kpi-card {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px 18px; text-align: center;
  transition: all var(--transition);
}
.kpi-card:hover { border-color: var(--secondary); transform: translateY(-3px); }
.kpi-val { display: block; font-size: 1.7rem; font-weight: 800; color: var(--secondary); font-family: var(--font-mono); line-height: 1; margin-bottom: 6px; }
.kpi-label { font-size: .75rem; color: var(--mid-light); line-height: 1.4; }

/* ── Testimonials ──────────────────────────────────────────────── */
.testi-slider-wrap { position: relative; overflow: hidden; }
.testi-track { display: flex; transition: transform .5s var(--ease); }
.testi-card {
  min-width: 100%; background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 36px 40px;
}
.testi-stars { color: #fbbf24; font-size: 1.2rem; margin-bottom: 16px; letter-spacing: 2px; }
.testi-text { font-size: 1rem; color: var(--mid-light); line-height: 1.75; margin-bottom: 24px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 14px; }
.testi-avatar {
  width: 48px; height: 48px; border-radius: var(--radius-full);
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem; color: #fff; flex-shrink: 0;
}
.testi-name { color: var(--white); font-weight: 700; font-size: .95rem; }
.testi-role { color: var(--mid); font-size: .8rem; margin-top: 2px; }
.slider-nav { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 24px; }
.slider-btn {
  width: 40px; height: 40px; border-radius: var(--radius-full);
  background: var(--dark-3); border: 1px solid var(--border);
  color: var(--secondary); font-size: .9rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.slider-btn:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.slider-dots { display: flex; gap: 8px; }
.slider-dot { width: 8px; height: 8px; border-radius: var(--radius-full); background: var(--border); transition: all var(--transition); }
.slider-dot.active { background: var(--secondary); width: 24px; }

/* ── FAQ ───────────────────────────────────────────────────────── */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--dark-3); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.faq-q {
  width: 100%; padding: 20px 24px; text-align: left;
  color: var(--white); font-weight: 600; font-size: .95rem;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  transition: all var(--transition);
}
.faq-q:hover { color: var(--secondary); }
.faq-q[aria-expanded="true"] { color: var(--secondary); }
.faq-icon { transition: transform var(--transition); flex-shrink: 0; font-size: .75rem; }
.faq-q[aria-expanded="true"] .faq-icon { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.faq-a.open { max-height: 600px; }
.faq-a-inner { padding: 0 24px 20px; color: var(--mid-light); font-size: .9rem; line-height: 1.7; }
.faq-a-inner p + p { margin-top: 12px; }

/* ── CTA Section ───────────────────────────────────────────────── */
.cta-section {
  padding: 96px 0; text-align: center;
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(8,145,178,.22) 0%, transparent 65%),
    linear-gradient(180deg, var(--dark-4) 0%, var(--dark) 100%);
}
.cta-section h2 { color: var(--white); font-size: clamp(1.8rem,4vw,2.8rem); margin-bottom: 16px; }
.cta-section h2 span { color: var(--secondary); }
.cta-section p { color: var(--mid-light); font-size: 1.05rem; max-width: 600px; margin: 0 auto 32px; line-height: 1.7; }
.cta-features { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 36px; }
.cta-feature-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(34,211,238,.1); color: var(--secondary);
  border: 1px solid rgba(34,211,238,.2); border-radius: var(--radius-full);
  padding: 5px 14px; font-size: .78rem; font-weight: 600;
}

/* ── Footer ────────────────────────────────────────────────────── */
footer {
  background: var(--dark-5); border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.logo-wrap { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.logo-icon {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: .9rem;
}
.logo-text { font-size: 1.2rem; font-weight: 800; color: var(--white); }
.logo-text span { color: var(--secondary); }
.footer-desc { font-size: .85rem; color: var(--mid); line-height: 1.65; }
.footer-col h5 { color: var(--white); font-size: .9rem; margin-bottom: 16px; font-weight: 700; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: var(--mid); font-size: .85rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--secondary); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  padding-top: 28px; border-top: 1px solid var(--border-light);
}
.footer-copy { color: var(--mid); font-size: .82rem; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--mid); font-size: .82rem; }
.footer-links a:hover { color: var(--secondary); }

/* ── Sticky CTA Bar ────────────────────────────────────────────── */
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 8000;
  background: var(--dark-4); border-top: 1px solid var(--border);
  padding: 12px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  transform: translateY(100%); transition: transform .4s var(--ease);
  box-shadow: 0 -4px 20px rgba(0,0,0,.3);
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta p { color: var(--mid-light); font-size: .88rem; margin: 0; }
.sticky-cta-btns { display: flex; gap: 10px; flex-shrink: 0; }

/* ── Back to Top ───────────────────────────────────────────────── */
.back-to-top {
  position: fixed; bottom: 80px; right: 24px; z-index: 7000;
  width: 44px; height: 44px; border-radius: var(--radius-full);
  background: var(--primary); color: #fff; font-size: .9rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md); opacity: 0; pointer-events: none;
  transition: all var(--transition);
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { background: var(--secondary); transform: translateY(-3px); }

/* ── AOS Animations ────────────────────────────────────────────── */
[data-aos] { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
[data-aos].aos-animate { opacity: 1; transform: translateY(0); }
[data-aos="zoom-in"] { transform: scale(.92); }
[data-aos="zoom-in"].aos-animate { transform: scale(1); }
[data-aos="fade-left"] { transform: translateX(-24px); }
[data-aos="fade-left"].aos-animate { transform: translateX(0); }
[data-aos="fade-right"] { transform: translateX(24px); }
[data-aos="fade-right"].aos-animate { transform: translateX(0); }
@media (prefers-reduced-motion: reduce) {
  [data-aos] { opacity: 1; transform: none; transition: none; }
}

/* ── Skill Bars ────────────────────────────────────────────────── */
.skill-bar-list { display: flex; flex-direction: column; gap: 18px; }
.skill-bar-label { display: flex; justify-content: space-between; margin-bottom: 6px; }
.skill-bar-label span:first-child { color: var(--white); font-size: .88rem; font-weight: 600; }
.skill-bar-label span:last-child { color: var(--secondary); font-size: .88rem; font-weight: 700; font-family: var(--font-mono); }
.skill-track { background: var(--dark-4); border-radius: var(--radius-full); height: 8px; overflow: hidden; }
.skill-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: var(--radius-full); width: 0; transition: width 1.2s var(--ease); }

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-wrap { grid-template-columns: 1fr; }
  .tree-visual-wrap { max-width: 540px; margin: 0 auto; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .feat-grid { grid-template-columns: 1fr 1fr; }
  .tree-types-grid { grid-template-columns: 1fr 1fr; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .security-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .case-study-wrap { grid-template-columns: 1fr; }
  .logic-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --section-pad: 64px; }
  .hero { padding: 80px 0 60px; }
  .steps-grid { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .tree-types-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .security-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; gap: 28px; }
  .comp-diff-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .feat-tabs-nav { flex-direction: column; }
  .tab-btn { border-bottom: none; border-left: 3px solid transparent; justify-content: flex-start; }
  .tab-btn.active { border-left-color: var(--secondary); border-bottom-color: transparent; }
  .hero-stats { gap: 20px; }
  .testi-card { padding: 24px 20px; }
  .sticky-cta { flex-direction: column; text-align: center; padding: 14px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr; }
  .btn-group { flex-direction: column; }
  .tab-panel { padding: 20px; }
}