/* ═══════════════════════════════════════════════════════════════════════════
   Visibility Score — Premium Design System
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  --bg: #070710;
  --bg-alt: #0a0a16;
  --surface: #0e0e1a;
  --card: #111122;
  --card-hover: #16162c;
  --border: #1a1a33;
  --border-hover: #2a2a4a;
  --text: #f4f4fa;
  --text-dim: #a0a0c0;
  --text-muted: #6a6a8a;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --accent-glow-strong: rgba(99, 102, 241, 0.3);
  --green: #22c55e;
  --green-glow: rgba(34, 197, 94, 0.15);
  --amber: #f59e0b;
  --amber-glow: rgba(245, 158, 11, 0.15);
  --red: #ef4444;
  --red-glow: rgba(239, 68, 68, 0.15);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --max-w: 1120px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: var(--accent-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--text); }
img { max-width: 100%; height: auto; }
strong { font-weight: 600; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navigation ──────────────────────────────────────────────────────────── */

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(7, 7, 16, 0.85);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); font-weight: 700;
}
.nav-brand:hover { color: var(--text); }
.brand-text { font-size: 17px; font-weight: 700; letter-spacing: -0.3px; }

.nav-links {
  display: flex; align-items: center; gap: 28px;
}
.nav-links > a {
  color: var(--text-dim); font-size: 14px; font-weight: 500;
  transition: color var(--transition);
}
.nav-links > a:hover { color: var(--text); }
.nav-links > a.btn { color: #fff !important; }
.nav-links > a.btn:hover { color: #fff !important; }

.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  padding: 8px; flex-direction: column; gap: 5px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; border: none; cursor: pointer;
  transition: all var(--transition); font-family: inherit;
  text-decoration: none; white-space: nowrap;
}

.btn-primary {
  background: var(--accent); color: #fff;
}
.btn-primary:hover {
  background: var(--accent-light); color: #fff;
  box-shadow: 0 4px 24px var(--accent-glow-strong);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent; color: var(--accent-light);
  border: 1px solid var(--border-hover);
}
.btn-outline:hover {
  background: var(--accent-glow); color: var(--text);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.btn-sm { padding: 9px 20px; font-size: 13px; }
.btn-lg { padding: 16px 36px; font-size: 17px; }
.btn-block { width: 100%; }

/* ── Sections ────────────────────────────────────────────────────────────── */

section { padding: 100px 0; }

.section-eyebrow {
  display: inline-block; padding: 6px 16px; border-radius: 20px;
  background: var(--accent-glow-strong); color: #c7caff;
  font-size: 12px; font-weight: 600; letter-spacing: 0.8px;
  text-transform: uppercase; margin-bottom: 20px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px); font-weight: 800;
  line-height: 1.2; margin-bottom: 16px; letter-spacing: -0.5px;
}

.section-sub {
  color: var(--text-dim); font-size: 17px; max-width: 560px;
  margin-bottom: 56px;
}

/* Center-aligned sections */
.how-it-works, .pillars, .pricing, .proof, .faq, .final-cta {
  text-align: center;
}
.how-it-works .section-sub,
.pillars .section-sub,
.pricing .section-sub {
  margin-left: auto; margin-right: auto;
}

/* ── Hero ─────────────────────────────────────────────────────────────────── */

.hero {
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute; top: 40px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 500px;
  background: radial-gradient(ellipse at center,
    rgba(99, 102, 241, 0.08) 0%,
    rgba(99, 102, 241, 0.03) 40%,
    transparent 70%);
  pointer-events: none; z-index: 0;
}

.hero-content { position: relative; z-index: 1; }

.hero .eyebrow { margin-bottom: 28px; }

.hero h1 {
  font-size: clamp(36px, 5.5vw, 58px);
  line-height: 1.12;
  max-width: 780px;
  margin: 0 auto 24px;
  font-weight: 800;
  letter-spacing: -1px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), #a78bfa, var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px; color: var(--text-dim);
  max-width: 540px; margin: 0 auto 44px;
  line-height: 1.7;
}

/* ── Scan Card ───────────────────────────────────────────────────────────── */

.scan-card {
  max-width: 520px; margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}

.input-row {
  display: flex; gap: 10px;
}

.input-row input {
  flex: 1; padding: 15px 18px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 16px; font-family: inherit; outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input-row input::placeholder { color: var(--text-muted); }
.input-row input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-scan {
  padding: 15px 28px; font-size: 16px;
  min-width: 140px;
}

.btn-loading { display: inline-flex; align-items: center; gap: 8px; }
[hidden] { display: none !important; }

.spinner {
  width: 18px; height: 18px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.scan-note {
  color: var(--text-muted); font-size: 13px;
  margin-top: 12px; text-align: center;
}

/* ── Trust Line ──────────────────────────────────────────────────────────── */

.trust-line {
  display: flex; align-items: center; justify-content: center;
  gap: 16px; margin-top: 32px;
  color: var(--text-dim); font-size: 13px; font-weight: 500;
  flex-wrap: wrap;
}
.trust-sep {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--text-muted);
}
.trust-line strong { color: var(--text); }

/* ── Scan Progress ───────────────────────────────────────────────────────── */

.scan-progress { padding: 60px 0; }

.progress-card {
  max-width: 600px; margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
}

.progress-header h2 { font-size: 24px; margin-bottom: 8px; }
.progress-sub { color: var(--text-dim); margin-bottom: 32px; }

.progress-checks {
  display: flex; flex-direction: column; gap: 16px;
  margin-bottom: 28px;
}

.check-group {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 16px;
  background: var(--surface);
  border-radius: var(--radius-sm);
}

.check-icon {
  width: 40px; height: 40px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 800; letter-spacing: 0.5px;
  flex-shrink: 0;
}
.seo-icon { background: rgba(34, 197, 94, 0.15); color: var(--green); }
.aeo-icon { background: rgba(245, 158, 11, 0.15); color: var(--amber); }
.geo-icon { background: rgba(99, 102, 241, 0.15); color: var(--accent-light); }
.agent-icon { background: rgba(6, 182, 212, 0.15); color: #06b6d4; }

.check-label { flex: 1; text-align: left; font-size: 14px; color: var(--text-dim); }

.check-status {
  font-size: 12px; font-weight: 600; color: var(--text-muted);
  min-width: 80px; text-align: right;
}
.check-status.running { color: var(--amber); }
.check-status.done { color: var(--green); }

.progress-bar-wrap {
  height: 4px; background: var(--surface);
  border-radius: 4px; overflow: hidden;
}
.progress-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 4px;
  transition: width 0.5s ease-out;
}

/* ── Results ─────────────────────────────────────────────────────────────── */

.results { padding: 80px 0 60px; }

.results-header { text-align: center; margin-bottom: 48px; }
.results-header h2 { font-size: 32px; margin-bottom: 8px; }
.results-domain {
  color: var(--text-dim); font-size: 16px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}
.results-scope {
  color: var(--text-muted); font-size: 14px;
  margin-top: 12px; font-style: italic;
}

/* Issue Summary */
.issue-summary {
  max-width: 600px; margin: 0 auto 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 28px;
  text-align: center;
  font-size: 18px; font-weight: 700;
}
.issue-count-fail { color: var(--red); }
.issue-count-warn { color: var(--amber); }

/* Score Rings */
.scores-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 960px;
  margin: 0 auto 40px;
}

.score-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}
.score-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.featured-score {
  border-color: var(--accent);
  box-shadow: 0 4px 32px var(--accent-glow);
}

.score-badge {
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff;
  padding: 4px 14px; border-radius: 20px;
  font-size: 10px; font-weight: 700; letter-spacing: 0.5px;
  text-transform: uppercase; white-space: nowrap;
}

.score-ring {
  width: 100px; height: 100px; margin: 0 auto 16px;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none; stroke: var(--surface); stroke-width: 8;
}

.ring-progress {
  fill: none; stroke-width: 8; stroke-linecap: round;
  transition: stroke-dashoffset 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.seo-ring { stroke: var(--green); }
.aeo-ring { stroke: var(--amber); }
.geo-ring { stroke: var(--accent-light); }
.agent-ring { stroke: #06b6d4; }

.score-value {
  font-size: 36px; font-weight: 800; letter-spacing: -1px;
  margin-bottom: 4px;
}
.score-tier {
  font-size: 12px; font-weight: 700; letter-spacing: 0.5px;
  text-transform: uppercase; margin-bottom: 6px;
}
.tier-excellent { color: var(--green); }
.tier-good { color: var(--text-dim); }
.tier-needs-work { color: var(--amber); }
.tier-critical { color: var(--red); }

.score-label {
  font-size: 14px; font-weight: 700; letter-spacing: 0.5px;
  color: var(--text-dim); text-transform: uppercase;
  margin-bottom: 4px;
}
.score-desc {
  font-size: 11px; color: var(--text-muted);
}

/* Overall Grade */
.overall-grade-card {
  max-width: 600px; margin: 0 auto 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
}

.grade-left {
  display: flex; align-items: center; gap: 24px;
}

.grade-circle {
  width: 64px; height: 64px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 800;
  background: var(--surface);
  border: 3px solid var(--text-muted);
  flex-shrink: 0;
  transition: border-color var(--transition), background var(--transition);
}

.grade-info h3 { font-size: 18px; margin-bottom: 4px; }
.grade-info p { color: var(--text-dim); font-size: 14px; }
.grade-interpretation {
  color: var(--accent-light); font-size: 13px;
  font-weight: 600; margin-top: 6px;
}

/* Grade colors */
.grade-a { border-color: var(--green); background: var(--green-glow); }
.grade-b { border-color: var(--accent-light); background: var(--accent-glow); }
.grade-c { border-color: var(--amber); background: var(--amber-glow); }
.grade-d, .grade-f { border-color: var(--red); background: var(--red-glow); }

/* Issues */
.issues-card {
  max-width: 600px; margin: 0 auto 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
}
.issues-card h3 { font-size: 16px; margin-bottom: 16px; }

.issues-list { list-style: none; }
.issues-list li {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px; color: var(--text-dim);
}
.issues-list li:last-child { border-bottom: none; }

.issue-severity {
  display: inline-block; padding: 2px 10px; border-radius: 12px;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  flex-shrink: 0;
}
.severity-fail { background: var(--red-glow); color: var(--red); }
.severity-warn { background: var(--amber-glow); color: var(--amber); }

.issues-more {
  color: var(--text-muted); font-size: 13px; margin-top: 12px;
}

/* Upgrade Card */
.upgrade-card {
  max-width: 700px; margin: 0 auto;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(99, 102, 241, 0.02));
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 40px;
  display: flex; gap: 40px; align-items: center;
  box-shadow: 0 8px 48px var(--accent-glow);
}

.upgrade-left { flex: 1; text-align: left; }
.upgrade-left h3 { font-size: 22px; margin-bottom: 12px; }
.upgrade-left > p { color: var(--text-dim); font-size: 14px; margin-bottom: 16px; }

.upgrade-features { list-style: none; }
.upgrade-features li {
  padding: 6px 0; font-size: 14px; color: var(--text-dim);
}
.upgrade-features li::before {
  content: '\2713'; color: var(--green); font-weight: 700;
  margin-right: 10px;
}

.upgrade-right { text-align: center; flex-shrink: 0; }
.upgrade-price {
  font-size: 48px; font-weight: 800; letter-spacing: -2px;
  margin-bottom: 4px;
}
.currency { font-size: 28px; vertical-align: super; font-weight: 600; }
.upgrade-note {
  color: var(--text-muted); font-size: 13px; margin-bottom: 16px;
}

.save-results { margin-bottom: 16px; }
.save-email-input {
  width: 100%; padding: 12px 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 14px; font-family: inherit; outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.save-email-input::placeholder { color: var(--text-muted); }
.save-email-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.save-hint {
  color: var(--text-muted); font-size: 11px; margin-top: 6px;
}

/* ── How It Works ────────────────────────────────────────────────────────── */

.steps-grid {
  display: flex; align-items: flex-start; justify-content: center;
  gap: 0; flex-wrap: wrap;
}

.step {
  flex: 0 1 220px; padding: 24px;
}

.step-num {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--accent-glow); color: var(--accent-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800;
  margin: 0 auto 16px;
}

.step h3 { font-size: 16px; margin-bottom: 8px; }
.step p { color: var(--text-dim); font-size: 14px; }

.step-arrow {
  flex: 0 0 40px; height: 2px;
  background: var(--border);
  align-self: center; margin-top: -40px;
}

/* ── Pillars ─────────────────────────────────────────────────────────────── */

.pillars { background: var(--bg-alt); }

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  text-align: left;
}

.pillar-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color var(--transition), transform var(--transition);
  position: relative;
}
.pillar-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.pillar-featured {
  border-color: var(--accent);
  box-shadow: 0 4px 32px var(--accent-glow);
}

.pillar-badge {
  position: absolute; top: -11px; left: 24px;
  background: var(--accent); color: #fff;
  padding: 4px 14px; border-radius: 20px;
  font-size: 10px; font-weight: 700; letter-spacing: 0.5px;
  text-transform: uppercase;
}

.pillar-icon {
  width: 48px; height: 48px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; letter-spacing: 0.5px;
  margin-bottom: 20px;
}

.pillar-card h3 { font-size: 18px; margin-bottom: 8px; }
.pillar-stat {
  color: var(--accent-light); font-size: 13px; font-weight: 600;
  margin-bottom: 12px;
}
.pillar-card > p { color: var(--text-dim); font-size: 14px; margin-bottom: 16px; }

.pillar-checks { list-style: none; }
.pillar-checks li {
  padding: 6px 0; font-size: 13px; color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}
.pillar-checks li:last-child { border-bottom: none; }
.pillar-checks li::before {
  content: '\2022'; color: var(--text-muted); margin-right: 8px;
}

/* ── Why GEO ─────────────────────────────────────────────────────────────── */

.why-geo { text-align: left; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: transform var(--transition);
}
.stat-card:hover { transform: translateY(-2px); }

.stat-value {
  font-size: 36px; font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.stat-label { font-size: 14px; color: var(--text-dim); margin-bottom: 8px; }
.stat-source { font-size: 11px; color: var(--text-muted); }

.geo-explanation {
  max-width: 680px; margin: 0 auto;
  text-align: center;
}
.geo-explanation p {
  color: var(--text-dim); font-size: 17px; line-height: 1.8;
  margin-bottom: 12px;
}
.geo-explanation strong { color: var(--text); }

/* ── Pricing ─────────────────────────────────────────────────────────────── */

.pricing { background: var(--bg-alt); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
}

.price-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 28px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}
.price-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.price-featured {
  border-color: var(--accent);
  box-shadow: 0 4px 32px var(--accent-glow);
}

.price-popular {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff;
  padding: 5px 18px; border-radius: 20px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
  text-transform: uppercase; white-space: nowrap;
}

.price-tier {
  font-size: 13px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.8px; color: var(--text-dim); margin-bottom: 12px;
}

.price-amount {
  font-size: 44px; font-weight: 800; letter-spacing: -1.5px;
  margin-bottom: 4px;
}
.price-amount span {
  font-size: 16px; font-weight: 400; color: var(--text-dim);
  letter-spacing: 0;
}

.price-desc {
  color: var(--text-dim); font-size: 14px; margin-bottom: 24px;
}

.price-features { list-style: none; margin-bottom: 28px; }
.price-features li {
  padding: 8px 0; font-size: 14px; color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}
.price-features li:last-child { border-bottom: none; }
.price-features li::before {
  content: '\2713'; color: var(--green); font-weight: 700;
  margin-right: 10px;
}

.price-note {
  display: block; text-align: center;
  color: var(--text-muted); font-size: 12px;
  margin-top: 12px;
}

/* ── Social Proof ────────────────────────────────────────────────────────── */

.proof {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.proof-grid {
  display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
}

.proof-stat { text-align: center; }
.proof-value { font-size: 32px; font-weight: 800; margin-bottom: 4px; }
.proof-label { font-size: 13px; color: var(--text-dim); }

/* ── FAQ ──────────────────────────────────────────────────────────────────── */

.faq-grid {
  max-width: 720px; margin: 0 auto; text-align: left;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item summary {
  padding: 20px 0; cursor: pointer;
  font-size: 16px; font-weight: 600;
  list-style: none; display: flex;
  justify-content: space-between; align-items: center;
  color: var(--text);
  transition: color var(--transition);
}
.faq-item summary:hover { color: var(--accent-light); }

.faq-item summary::after {
  content: '+'; font-size: 22px; font-weight: 400;
  color: var(--text-muted); transition: transform var(--transition);
  flex-shrink: 0; margin-left: 16px;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  padding: 0 0 20px;
  color: var(--text-dim); font-size: 15px; line-height: 1.7;
}

/* ── Final CTA ───────────────────────────────────────────────────────────── */

.final-cta {
  text-align: center;
  padding: 100px 0;
}
.final-cta h2 {
  font-size: 32px; font-weight: 800; margin-bottom: 16px;
}
.final-cta p {
  color: var(--text-dim); font-size: 17px;
  max-width: 480px; margin: 0 auto 32px;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 40px;
  color: var(--text-dim); font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .nav-brand { margin-bottom: 12px; }
.footer-desc { color: var(--text-muted); font-size: 13px; line-height: 1.6; max-width: 280px; }

.footer-col h4 {
  color: var(--text); font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
  margin-bottom: 16px;
}
.footer-col a {
  display: block; color: var(--text-muted); margin-bottom: 10px;
  font-size: 14px; transition: color var(--transition);
}
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
  color: var(--text-muted); font-size: 13px;
}

/* ── Error state ─────────────────────────────────────────────────────────── */

.error-banner {
  max-width: 600px; margin: 0 auto 24px;
  background: var(--red-glow);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  color: var(--red); font-size: 14px;
  text-align: center;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .pillars-grid,
  .pricing-grid,
  .stats-grid {
    grid-template-columns: 1fr;
    max-width: 480px; margin-left: auto; margin-right: auto;
  }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .scores-grid { grid-template-columns: repeat(2, 1fr); max-width: 480px; }
  .upgrade-card { flex-direction: column; text-align: center; }
  .upgrade-left { text-align: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .step-arrow { display: none; }
  .steps-grid { flex-direction: column; align-items: center; }
}

@media (max-width: 640px) {
  section { padding: 64px 0; }
  .hero { padding: 120px 0 64px; }

  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 12px;
  }
  .nav-toggle { display: flex; }

  .input-row { flex-direction: column; }
  .btn-scan { width: 100%; }

  .trust-line { flex-direction: column; gap: 8px; }
  .trust-sep { display: none; }

  .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }

  .grade-left { flex-direction: column; text-align: center; }
}

/* ── Animations ──────────────────────────────────────────────────────────── */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }