/* ============ RESET & BASE ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #1a56db;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --info: #2563eb;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--gray-800);
  line-height: 1.6;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ NAV ============ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
}
.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-icon { font-size: 24px; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  color: var(--gray-600);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--primary); }

/* ============ HERO ============ */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, #f0f5ff 0%, #fff 100%);
}
.hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--gray-900);
  max-width: 700px;
  margin: 0 auto;
}
.hero-sub {
  font-size: 18px;
  color: var(--gray-500);
  max-width: 560px;
  margin: 20px auto 40px;
}

/* Audit Form */
.audit-form-wrapper { max-width: 600px; margin: 0 auto; }
.audit-form .input-group {
  display: flex;
  background: #fff;
  border: 2px solid var(--gray-200);
  border-radius: 50px;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow-lg);
}
.audit-form .input-group:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(26,86,219,0.1), var(--shadow-lg);
}
.audit-form input[type="text"] {
  flex: 1;
  border: none;
  outline: none;
  padding: 16px 24px;
  font-size: 16px;
  font-family: inherit;
  background: transparent;
}
.audit-form button {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s;
  white-space: nowrap;
}
.audit-form button:hover { background: var(--primary-dark); }
.form-note {
  font-size: 13px;
  color: var(--gray-400);
  margin-top: 12px;
}
.trust-badges {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.trust-badges span {
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 500;
}

/* ============ SPINNER ============ */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============ PREVIEW SECTION ============ */
.preview-section {
  padding: 60px 0 80px;
  background: var(--gray-50);
}
.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 20px;
}
.preview-header h2 {
  font-size: 24px;
  color: var(--gray-900);
}
.preview-header h2 span {
  color: var(--primary);
  word-break: break-all;
}
.overall-score-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.overall-score-card span {
  font-size: 12px;
  color: var(--gray-500);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.score-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  background: var(--gray-400);
}
.score-good { background: var(--success); }
.score-ok { background: var(--warning); }
.score-bad { background: var(--danger); }

/* Stats */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow);
}
.stat-number {
  display: block;
  font-size: 32px;
  font-weight: 800;
}
.stat-label {
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 500;
}
.stat-issues .stat-number { color: var(--gray-800); }
.stat-critical .stat-number { color: var(--danger); }
.stat-warning .stat-number { color: var(--warning); }

/* Category grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}
.category-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
}
.category-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.category-card-header h3 {
  font-size: 16px;
  font-weight: 700;
}
.cat-score {
  font-size: 14px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}
.cat-score-good { background: #d1fae5; color: #065f46; }
.cat-score-ok { background: #fef3c7; color: #92400e; }
.cat-score-bad { background: #fee2e2; color: #991b1b; }

.issue-item {
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.issue-item:last-child { border-bottom: none; }
.severity-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 2px;
}
.sev-critical { background: #fee2e2; color: #991b1b; }
.sev-warning { background: #fef3c7; color: #92400e; }
.sev-info { background: #dbeafe; color: #1e40af; }
.issue-message { font-size: 13px; color: var(--gray-700); }

.passed-item {
  font-size: 13px;
  color: var(--success);
  padding: 4px 0;
}
.passed-item::before { content: "✓ "; font-weight: 700; }

/* ============ UPSELL ============ */
.upsell-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-xl);
  text-align: center;
  border: 2px solid var(--primary);
}
.upsell-blur h3 {
  font-size: 24px;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.upsell-blur p {
  color: var(--gray-500);
  max-width: 500px;
  margin: 0 auto 24px;
}
.upsell-includes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
  text-align: left;
  max-width: 500px;
  margin: 0 auto 32px;
  font-size: 14px;
  color: var(--gray-700);
}

/* Plan cards */
.plan-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
  text-align: left;
}
.plan-card {
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
  position: relative;
}
.plan-card:hover, .plan-card.selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,0.1);
}
.plan-badge {
  position: absolute;
  top: -10px;
  left: 16px;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 50px;
}
.plan-badge-premium { background: var(--warning); }
.plan-card h4 { font-size: 15px; margin-bottom: 4px; }
.plan-price {
  font-size: 28px;
  font-weight: 800;
  color: var(--gray-900);
}
.plan-price span { font-size: 14px; color: var(--gray-500); font-weight: 500; }
.plan-card p { font-size: 13px; color: var(--gray-500); margin: 4px 0 12px; }
.plan-card ul { list-style: none; font-size: 13px; }
.plan-card li { padding: 3px 0; color: var(--gray-600); }
.plan-card li::before { content: "✓ "; color: var(--success); font-weight: 700; }

/* Purchase form */
.purchase-form {
  display: flex;
  gap: 12px;
  max-width: 500px;
  margin: 0 auto;
}
.purchase-form input[type="email"] {
  flex: 1;
  padding: 14px 18px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.purchase-form input:focus { border-color: var(--primary); }
.btn-purchase {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s;
  white-space: nowrap;
}
.btn-purchase:hover { background: var(--primary-dark); }

/* ============ SECTIONS ============ */
.section-light {
  padding: 80px 0;
  background: #fff;
}
.section-dark {
  padding: 80px 0;
  background: var(--gray-900);
}
.section-title {
  text-align: center;
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
}
.section-sub {
  text-align: center;
  font-size: 16px;
  color: var(--gray-500);
  margin-bottom: 48px;
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-card {
  text-align: center;
  padding: 24px;
}
.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.step-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}
.step-card p {
  font-size: 14px;
  color: var(--gray-500);
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.pricing-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow);
  position: relative;
}
.pricing-featured {
  border: 2px solid var(--primary);
  transform: scale(1.05);
}
.featured-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
}
.pricing-card h3 { font-size: 18px; margin-bottom: 8px; }
.pricing-amount {
  font-size: 42px;
  font-weight: 800;
  color: var(--gray-900);
  margin: 8px 0;
}
.pricing-amount span { font-size: 16px; color: var(--gray-500); font-weight: 500; }
.pricing-card p { font-size: 14px; color: var(--gray-500); margin-bottom: 20px; }
.pricing-card ul { list-style: none; text-align: left; margin-bottom: 24px; }
.pricing-card li { padding: 6px 0; font-size: 14px; color: var(--gray-600); }
.pricing-card li::before { content: "✓ "; color: var(--success); font-weight: 700; }
.btn-cta {
  display: inline-block;
  background: var(--gray-100);
  color: var(--gray-800);
  padding: 12px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.2s;
}
.btn-cta:hover { background: var(--gray-200); }
.btn-cta-featured {
  background: var(--primary);
  color: #fff;
}
.btn-cta-featured:hover { background: var(--primary-dark); }

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  padding: 20px;
}
.faq-item h3 {
  font-size: 15px;
  margin-bottom: 8px;
  color: var(--gray-900);
}
.faq-item p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* Footer */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--gray-200);
}
.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  font-weight: 800;
  color: var(--primary);
  font-size: 18px;
}
.footer p { font-size: 13px; color: var(--gray-400); }

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .audit-form .input-group { flex-direction: column; border-radius: var(--radius-lg); }
  .audit-form input[type="text"] { padding: 14px 18px; }
  .audit-form button { padding: 14px; border-radius: 0; }
  .stats-row { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-featured { transform: none; }
  .plan-cards { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .purchase-form { flex-direction: column; }
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 13px; }
  .trust-badges { gap: 12px; }
}