/* ============================================
   OpenAgentGovernance.org — Style System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

/* === TOKENS === */
:root {
  --bg-deep:     #060912;
  --bg-base:     #0a0e1a;
  --bg-card:     #0f1526;
  --bg-card2:    #131929;
  --border:      rgba(124, 58, 237, 0.2);
  --border-blue: rgba(59, 130, 246, 0.25);
  --purple:      #7c3aed;
  --purple-light:#a78bfa;
  --blue:        #3b82f6;
  --blue-light:  #93c5fd;
  --cyan:        #06b6d4;
  --green:       #10b981;
  --orange:      #f59e0b;
  --red:         #ef4444;
  --text-1:      #f0f4ff;
  --text-2:      #a0aec0;
  --text-3:      #64748b;
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --shadow-glow:  0 0 40px rgba(124, 58, 237, 0.15);
  --shadow-card:  0 4px 24px rgba(0,0,0,0.4);
  --transition:   cubic-bezier(0.4, 0, 0.2, 1);
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-1);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--purple); border-radius: 3px; }

/* === NOISE OVERLAY === */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 0; opacity: 0.4;
}

/* === LAYOUT === */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { position: relative; z-index: 1; }

/* === TYPOGRAPHY === */
h1,h2,h3,h4,h5 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.5rem); }
h3 { font-size: 1.25rem; }
.gradient-text {
  background: linear-gradient(135deg, #a78bfa 0%, #60a5fa 50%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--purple-light);
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 100px;
  padding: 6px 14px;
  margin-bottom: 20px;
}
.section-label .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--purple-light);
  animation: pulse 2s infinite;
}
.section-intro { font-size: 1.125rem; color: var(--text-2); max-width: 620px; }

/* === 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: 68px;
  background: rgba(6, 9, 18, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: all 0.3s var(--transition);
}
nav.scrolled {
  background: rgba(6, 9, 18, 0.95);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1rem; color: var(--text-1);
}
.nav-logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  font-size: 0.875rem; font-weight: 500; color: var(--text-2);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-1); }
.nav-cta {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.875rem; font-weight: 600;
  color: var(--text-1) !important;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  border-radius: 8px;
  padding: 8px 18px;
  transition: opacity 0.2s, transform 0.2s !important;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }
.nav-mobile-toggle { display: none; cursor: pointer; color: var(--text-2); background: none; border: none; }

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding-top: 68px;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(124,58,237,0.25) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 60%, rgba(59,130,246,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 20% 80%, rgba(6,182,212,0.08) 0%, transparent 60%);
}
.hero-grid {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(124,58,237,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 80%);
}
.hero .container {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
  padding-top: 60px; padding-bottom: 80px;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--purple-light);
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.25);
  border-radius: 100px; padding: 6px 16px;
  margin-bottom: 24px;
  width: fit-content;
}
.hero-title { margin-bottom: 24px; }
.hero-title span { display: block; }
.hero-description { font-size: 1.125rem; color: var(--text-2); margin-bottom: 40px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.95rem; font-weight: 600; color: #fff;
  background: linear-gradient(135deg, var(--purple) 0%, var(--blue) 100%);
  border-radius: var(--radius-md);
  padding: 14px 28px;
  border: none; cursor: pointer;
  transition: transform 0.2s var(--transition), box-shadow 0.2s var(--transition);
  box-shadow: 0 4px 20px rgba(124,58,237,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(124,58,237,0.45); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.95rem; font-weight: 600; color: var(--text-1);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 14px 28px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s var(--transition);
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); transform: translateY(-2px); }
.hero-stats {
  display: flex; gap: 32px; margin-top: 48px; padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.hero-stat-value { font-size: 1.5rem; font-weight: 800; color: var(--text-1); }
.hero-stat-label { font-size: 0.75rem; color: var(--text-3); font-weight: 500; margin-top: 2px; }

/* === HERO DIAGRAM === */
.hero-visual { position: relative; }
.arch-diagram {
  background: rgba(15, 21, 38, 0.8);
  border: 1px solid rgba(124,58,237,0.25);
  border-radius: var(--radius-xl);
  padding: 28px;
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
}
.arch-layer {
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 8px;
  position: relative;
  overflow: hidden;
}
.arch-layer::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.03), transparent);
  pointer-events: none;
}
.arch-layer-platform { background: rgba(59,130,246,0.12); border: 1px solid rgba(59,130,246,0.25); }
.arch-layer-core { background: rgba(124,58,237,0.15); border: 1px solid rgba(124,58,237,0.35); }
.arch-layer-connectors { background: rgba(55,65,81,0.5); border: 1px solid rgba(107,114,128,0.3); }
.arch-layer-infra { background: rgba(31,41,55,0.7); border: 1px solid rgba(75,85,99,0.3); }
.arch-layer-label { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; opacity: 0.6; margin-bottom: 6px; }
.arch-layer-title { font-size: 0.85rem; font-weight: 600; color: var(--text-1); margin-bottom: 4px; }
.arch-layer-items { display: flex; gap: 6px; flex-wrap: wrap; }
.arch-pill {
  font-size: 0.7rem; font-weight: 500;
  padding: 3px 10px; border-radius: 100px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-2);
}
.arch-arrow {
  text-align: center; color: var(--text-3); font-size: 0.9rem;
  padding: 2px 0; margin-bottom: 6px;
}

/* === SECTIONS === */
.section { padding: 100px 0; }
.section-header { margin-bottom: 60px; }
.section-header.centered { text-align: center; }
.section-header.centered .section-intro { margin: 0 auto; }

/* === PROBLEM CARDS === */
.problem-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-top: 48px; }
.problem-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex; align-items: flex-start; gap: 16px;
  transition: border-color 0.3s, transform 0.3s;
}
.problem-card:hover { border-color: rgba(124,58,237,0.3); transform: translateY(-2px); }
.problem-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.problem-card h4 { font-size: 0.925rem; font-weight: 600; margin-bottom: 6px; }
.problem-card p { font-size: 0.85rem; color: var(--text-2); line-height: 1.5; }
.vs-box {
  margin-top: 40px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.vs-item {
  padding: 20px 24px;
  border-radius: var(--radius-md);
  border: 1px solid;
}
.vs-item.observability { background: rgba(55,65,81,0.3); border-color: rgba(107,114,128,0.3); }
.vs-item.adp { background: rgba(124,58,237,0.08); border-color: rgba(124,58,237,0.3); }
.vs-item-label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3); margin-bottom: 8px; }
.vs-item h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 6px; }
.vs-item p { font-size: 0.825rem; color: var(--text-2); }

/* === SPEC CARDS === */
.spec-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.spec-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative; overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.spec-card:hover {
  border-color: rgba(124,58,237,0.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(124,58,237,0.1);
}
.spec-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--purple), transparent);
  opacity: 0; transition: opacity 0.3s;
}
.spec-card:hover::after { opacity: 1; }
.spec-number {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(124,58,237,0.3), rgba(59,130,246,0.2));
  border: 1px solid rgba(124,58,237,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700; color: var(--purple-light);
  margin-bottom: 16px;
}
.spec-card h3 { font-size: 1rem; margin-bottom: 8px; }
.spec-card p { font-size: 0.85rem; color: var(--text-2); line-height: 1.6; margin-bottom: 14px; }
.spec-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.spec-tag {
  font-size: 0.7rem; font-weight: 500;
  padding: 3px 10px; border-radius: 100px;
  background: rgba(124,58,237,0.1); border: 1px solid rgba(124,58,237,0.2);
  color: var(--purple-light);
}
.spec-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.8rem; font-weight: 600; color: var(--purple-light);
  margin-top: 14px;
  transition: gap 0.2s;
}
.spec-link:hover { gap: 10px; }

/* === CLASSIFICATION === */
.classification-section { background: var(--bg-deep); }
.class-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.class-group h3 { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3); margin-bottom: 16px; }
.class-item {
  display: flex; gap: 12px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 10px;
  transition: border-color 0.2s, transform 0.2s;
}
.class-item:hover { border-color: rgba(124,58,237,0.3); transform: translateX(4px); }
.class-badge {
  font-size: 0.7rem; font-weight: 700;
  min-width: 28px; height: 28px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.badge-d1 { background: rgba(16,185,129,0.15); color: #10b981; border: 1px solid rgba(16,185,129,0.3); }
.badge-d2 { background: rgba(59,130,246,0.15); color: #60a5fa; border: 1px solid rgba(59,130,246,0.3); }
.badge-d3 { background: rgba(245,158,11,0.15); color: #f59e0b; border: 1px solid rgba(245,158,11,0.3); }
.badge-d4 { background: rgba(239,68,68,0.15); color: #ef4444; border: 1px solid rgba(239,68,68,0.3); }
.badge-r1 { background: rgba(16,185,129,0.15); color: #10b981; border: 1px solid rgba(16,185,129,0.3); }
.badge-r2 { background: rgba(245,158,11,0.15); color: #f59e0b; border: 1px solid rgba(245,158,11,0.3); }
.badge-r3 { background: rgba(249,115,22,0.15); color: #f97316; border: 1px solid rgba(249,115,22,0.3); }
.badge-r4 { background: rgba(239,68,68,0.15); color: #ef4444; border: 1px solid rgba(239,68,68,0.3); }
.badge-rev { background: rgba(124,58,237,0.15); color: #a78bfa; border: 1px solid rgba(124,58,237,0.3); }
.class-item-body h4 { font-size: 0.875rem; font-weight: 600; margin-bottom: 3px; }
.class-item-body p { font-size: 0.775rem; color: var(--text-2); }

/* === AUTH MATRIX === */
.matrix-wrap { overflow-x: auto; margin-top: 48px; }
.matrix-table { width: 100%; border-collapse: separate; border-spacing: 6px; }
.matrix-table th {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-3); padding: 10px 14px; text-align: center;
}
.matrix-table .row-header { text-align: left; color: var(--text-2); font-size: 0.8rem; }
.matrix-cell {
  padding: 14px 10px; border-radius: var(--radius-sm); text-align: center;
  font-size: 0.8rem; font-weight: 600;
  transition: transform 0.2s;
}
.matrix-cell:hover { transform: scale(1.05); }
.cell-auth  { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.25); color: #10b981; }
.cell-warn  { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.25); color: #f59e0b; }
.cell-deny  { background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2);  color: #ef4444; }
.matrix-note {
  margin-top: 20px;
  background: rgba(124,58,237,0.08); border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius-md); padding: 16px 20px;
  font-size: 0.85rem; color: var(--text-2); line-height: 1.7;
}
.matrix-note strong { color: var(--purple-light); }

/* === QUICK START === */
.quickstart-section { background: var(--bg-deep); }
.qs-tabs {
  display: flex; gap: 4px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 4px;
  flex-wrap: wrap;
  margin-top: 40px; margin-bottom: 0;
  width: fit-content;
}
.qs-tab {
  font-size: 0.825rem; font-weight: 600; color: var(--text-3);
  background: none; border: none; cursor: pointer;
  padding: 8px 18px; border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.qs-tab.active { background: rgba(124,58,237,0.2); color: var(--purple-light); }
.qs-tab:hover:not(.active) { color: var(--text-2); }
.qs-panel { display: none; }
.qs-panel.active { display: block; }
.qs-step {
  background: var(--bg-card); border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg); overflow: hidden;
  margin-top: -1px;
}
.qs-step-header {
  padding: 20px 24px;
  display: flex; align-items: center; gap: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.qs-step-num {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700; color: #fff;
  flex-shrink: 0;
}
.qs-step-title { font-size: 0.925rem; font-weight: 600; }
.code-block {
  background: rgba(6,9,18,0.8);
  padding: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem; line-height: 1.7;
  color: var(--text-2);
  overflow-x: auto;
  position: relative;
}
.code-key   { color: #93c5fd; }
.code-str   { color: #86efac; }
.code-num   { color: #fca5a5; }
.code-sym   { color: var(--text-3); }
.code-comment { color: #4b5563; font-style: italic; }

/* === REGULATORY === */
.reg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-top: 48px; }
.reg-card {
  background: var(--bg-card); border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md); padding: 22px 24px;
  transition: border-color 0.3s, transform 0.3s;
}
.reg-card:hover { border-color: rgba(59,130,246,0.3); transform: translateY(-2px); }
.reg-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.reg-icon { font-size: 1.5rem; }
.reg-name { font-size: 0.875rem; font-weight: 700; }
.reg-region { font-size: 0.72rem; color: var(--text-3); }
.reg-description { font-size: 0.825rem; color: var(--text-2); margin-bottom: 12px; line-height: 1.5; }
.reg-adp { font-size: 0.775rem; color: var(--blue-light); font-weight: 500; }

/* === ROADMAP === */
.roadmap-section { background: var(--bg-deep); }
.roadmap-timeline { position: relative; margin-top: 48px; padding-left: 32px; }
.roadmap-timeline::before {
  content: ''; position: absolute; left: 7px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--purple), rgba(124,58,237,0.1));
}
.roadmap-item { position: relative; margin-bottom: 36px; }
.roadmap-dot {
  position: absolute; left: -28px; top: 4px;
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--purple);
  background: var(--bg-deep);
  transition: background 0.2s;
}
.roadmap-item.done .roadmap-dot { background: var(--purple); }
.roadmap-item.done .roadmap-dot::after {
  content: ''; position: absolute; inset: 2px; border-radius: 50%;
  background: var(--purple-light);
}
.roadmap-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.roadmap-version {
  font-size: 0.75rem; font-weight: 700; font-family: 'JetBrains Mono', monospace;
  color: var(--purple-light);
  background: rgba(124,58,237,0.1); border: 1px solid rgba(124,58,237,0.2);
  padding: 2px 10px; border-radius: 100px;
}
.roadmap-status-badge {
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  padding: 2px 8px; border-radius: 100px;
}
.status-done  { background: rgba(16,185,129,0.12); color: #10b981; border: 1px solid rgba(16,185,129,0.3); }
.status-now   { background: rgba(245,158,11,0.12); color: #f59e0b; border: 1px solid rgba(245,158,11,0.3); }
.status-next  { background: rgba(59,130,246,0.1);  color: #60a5fa; border: 1px solid rgba(59,130,246,0.2); }
.status-plan  { background: rgba(100,116,139,0.1); color: #94a3b8; border: 1px solid rgba(100,116,139,0.2); }
.roadmap-item h3 { font-size: 1rem; margin-bottom: 8px; }
.roadmap-item p  { font-size: 0.85rem; color: var(--text-2); }

/* === COMPARE === */
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; margin-top: 48px; border-radius: var(--radius-lg); overflow: hidden; }
.compare-table th {
  background: var(--bg-card); padding: 14px 20px;
  font-size: 0.825rem; font-weight: 700; text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.compare-table th.adp-col { color: var(--purple-light); }
.compare-table td { padding: 12px 20px; font-size: 0.85rem; color: var(--text-2); border-bottom: 1px solid rgba(255,255,255,0.04); }
.compare-table td:first-child { font-weight: 600; color: var(--text-1); }
.compare-table tbody tr:hover td { background: rgba(255,255,255,0.02); }
.compare-table tbody tr:last-child td { border-bottom: none; }
.check { color: var(--green); font-size: 1rem; }
.cross { color: var(--red); opacity: 0.5; font-size: 1rem; }
.partial { color: var(--orange); font-size: 1rem; }

/* === COMMUNITY === */
.community-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; margin-top: 48px; }
.community-card {
  background: var(--bg-card); border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg); padding: 28px;
  transition: border-color 0.3s, transform 0.3s;
}
.community-card:hover { border-color: rgba(124,58,237,0.3); transform: translateY(-3px); }
.community-card-icon { font-size: 2rem; margin-bottom: 14px; }
.community-card h3 { font-size: 0.925rem; margin-bottom: 8px; }
.community-card p { font-size: 0.825rem; color: var(--text-2); margin-bottom: 16px; line-height: 1.5; }
.community-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.8rem; font-weight: 600; color: var(--purple-light);
  transition: gap 0.2s;
}
.community-link:hover { gap: 10px; }

/* === CTA === */
.cta-section {
  padding: 100px 0;
  position: relative; overflow: hidden;
}
.cta-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 50% 50%, rgba(124,58,237,0.15) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(59,130,246,0.1) 0%, transparent 60%);
}
.cta-box {
  position: relative; z-index: 1;
  text-align: center;
  background: rgba(15, 21, 38, 0.7);
  border: 1px solid rgba(124,58,237,0.25);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  backdrop-filter: blur(20px);
  max-width: 700px; margin: 0 auto;
  box-shadow: var(--shadow-glow);
}
.cta-box h2 { margin-bottom: 16px; }
.cta-box p { font-size: 1.05rem; color: var(--text-2); margin-bottom: 40px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* === FOOTER === */
footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 60px 0 40px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.footer-brand p  { font-size: 0.82rem; color: var(--text-3); line-height: 1.7; margin-bottom: 16px; }
.footer-col h4 { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-3); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 0.825rem; color: var(--text-2); transition: color 0.2s; }
.footer-col a:hover { color: var(--text-1); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 0.8rem; color: var(--text-3);
}
.footer-author { color: var(--text-2); }
.footer-author a { color: var(--purple-light); transition: color 0.2s; }
.footer-author a:hover { color: var(--text-1); }

/* === ANIMATIONS === */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in-up { opacity: 0; animation: fadeInUp 0.6s var(--transition) forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s var(--transition), transform 0.6s var(--transition); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.hero-visual { animation: float 6s ease-in-out infinite; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .class-grid { grid-template-columns: 1fr; }
  .vs-box { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .compare-table { display: block; overflow-x: auto; }
  .cta-box { padding: 40px 24px; }
}
@media (max-width: 480px) {
  .hero-stats { flex-direction: column; gap: 20px; }
  .qs-tabs { width: 100%; }
  .qs-tab { flex: 1; text-align: center; }
}

/* === MOBILE NAV === */
.mobile-menu {
  display: none; position: fixed; inset: 0; top: 68px; z-index: 99;
  background: rgba(6,9,18,0.97); backdrop-filter: blur(20px);
  padding: 32px 24px; flex-direction: column; gap: 0;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1.1rem; font-weight: 600; color: var(--text-2); padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.mobile-menu a:hover { color: var(--text-1); }