/* SEO Pro Inspect — Landing Page */
:root {
  --bg: #0a0b10;
  --bg-card: #13151f;
  --bg-elevated: #1a1d2b;
  --text: #f0f2f5;
  --text-secondary: #9aa0b8;
  --text-muted: #5a6178;
  --accent: #6366f1;
  --purple: #a855f7;
  --pink: #ec4899;
  --green: #4ade80;
  --blue: #60a5fa;
  --orange: #fb923c;
  --teal: #2dd4bf;
  --border: #1e2235;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.3s;
}

.nav.scrolled {
  background: rgba(10, 11, 16, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

.nav-mobile-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 30px rgba(99, 102, 241, 0.5);
  transform: translateY(-1px);
}

.btn-ultimate {
  background: linear-gradient(135deg, var(--purple), var(--pink));
  color: white;
  box-shadow: 0 4px 20px rgba(168, 85, 247, 0.3);
}

.btn-ultimate:hover {
  box-shadow: 0 6px 30px rgba(168, 85, 247, 0.5);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}

.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-ghost:hover { background: rgba(255,255,255,0.1); color: var(--text); }

.btn-nav {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: #ffffff !important;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.4);
  transition: box-shadow 0.2s, transform 0.2s;
}

.btn-nav:hover {
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.6);
  transform: translateY(-1px);
  color: #ffffff !important;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 160px 0 100px;
  text-align: center;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(99, 102, 241, 0.15) 0%, rgba(168, 85, 247, 0.05) 50%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 64px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 20px;
}

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

.hero-sub {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
}

.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 28px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 13px; color: var(--text-muted); font-weight: 500; }

/* ===== SOCIAL PROOF ===== */
.social-proof {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.social-proof-text {
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ===== SECTION HEADERS ===== */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-badge {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-header h2 {
  font-size: 44px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

/* ===== FEATURES ===== */
.features { padding: 100px 0; }

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-icon.purple { background: rgba(99, 102, 241, 0.1); color: var(--accent); }
.feature-icon.blue { background: rgba(96, 165, 250, 0.1); color: var(--blue); }
.feature-icon.green { background: rgba(74, 222, 128, 0.1); color: var(--green); }
.feature-icon.pink { background: rgba(236, 72, 153, 0.1); color: var(--pink); }
.feature-icon.orange { background: rgba(251, 146, 60, 0.1); color: var(--orange); }
.feature-icon.teal { background: rgba(45, 212, 191, 0.1); color: var(--teal); }

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 100px 0;
  background: var(--bg-card);
}

.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.step {
  text-align: center;
  max-width: 280px;
}

.step-num {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
  color: white;
  margin: 0 auto 16px;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.step h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-secondary); }

.step-arrow { color: var(--text-muted); flex-shrink: 0; }

/* ===== PRICING ===== */
.pricing { padding: 100px 0; }

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 40px rgba(99, 102, 241, 0.15);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: white;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-name {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 8px;
}

.pricing-price { margin-bottom: 24px; }
.price-amount { font-size: 40px; font-weight: 900; letter-spacing: -1px; }
.price-period { font-size: 16px; color: var(--text-muted); font-weight: 500; margin-left: 4px; }

.pricing-features {
  list-style: none;
  margin-bottom: 28px;
  flex: 1;
}

.pricing-features li {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
}

.pricing-features li.disabled {
  color: var(--text-muted);
  text-decoration: line-through;
  opacity: 0.5;
}

.pricing-features li.disabled::before {
  content: '—';
  color: var(--text-muted);
}

/* ===== USE CASES ===== */
.use-cases { padding: 100px 0; background: var(--bg-card); }

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.use-case-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
  transition: transform 0.2s;
}

.use-case-card:hover { transform: translateY(-4px); }

.use-case-emoji { font-size: 36px; margin-bottom: 12px; }
.use-case-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.use-case-card p { font-size: 14px; color: var(--text-secondary); }

/* ===== FAQ ===== */
.faq { padding: 100px 0; }

.faq-list { max-width: 700px; margin: 0 auto; }

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

.faq-question {
  width: 100%;
  padding: 20px 0;
  background: none;
  border: none;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-question::after {
  content: '+';
  font-size: 20px;
  color: var(--accent);
  transition: transform 0.2s;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding-bottom: 20px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta {
  padding: 100px 0;
  background: var(--bg-card);
}

.cta-inner {
  text-align: center;
  max-width: 600px;
}

.cta h2 {
  font-size: 44px;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 16px;
}

.cta p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 0 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-left p {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 60px;
}

.footer-links h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links a {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== CONTACT FORM ===== */
.contact { padding: 100px 0; }

.contact-form {
  max-width: 640px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.required { color: var(--accent); }

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Challenge box */
.challenge-group { margin-bottom: 20px; }

.challenge-box {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.challenge-icon {
  color: var(--accent);
  display: flex;
  flex-shrink: 0;
}

.challenge-text {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
}

.challenge-text strong {
  color: var(--text);
  font-size: 16px;
}

.challenge-input {
  width: 52px !important;
  padding: 6px 10px !important;
  text-align: center;
  font-size: 16px !important;
  font-weight: 700 !important;
  background: var(--bg-card) !important;
  border: 2px solid var(--border) !important;
  border-radius: 8px !important;
  color: var(--text) !important;
  outline: none;
  transition: border-color 0.2s;
}

.challenge-input:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
}

.form-status.success {
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.2);
  color: var(--green);
}

.form-status.error {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.2);
  color: #f87171;
}

.hidden { display: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .use-case-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-cards { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .pricing-card.featured { transform: none; }
  .hero h1 { font-size: 44px; }
  .section-header h2 { font-size: 34px; }
  .steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
}

@media (max-width: 640px) {
  .nav-links { display: none; position: absolute; top: 60px; left: 0; right: 0; background: var(--bg); padding: 20px; flex-direction: column; gap: 16px; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .nav-mobile-btn { display: block; }
  .hero { padding: 120px 0 60px; }
  .hero h1 { font-size: 34px; letter-spacing: -1px; }
  .hero-sub { font-size: 16px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .features-grid { grid-template-columns: 1fr; }
  .use-case-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 28px; }
  .cta h2 { font-size: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .footer-links { flex-wrap: wrap; gap: 30px; }
}