:root {
  --primary: #6C3BF7;
  --primary-dark: #5228D6;
  --primary-light: #8B6BF8;
  --secondary: #00D4AA;
  --secondary-dark: #00B894;
  --accent: #FF6B6B;
  --accent-warning: #FFB84D;
  --bg-dark: #0A0A1A;
  --bg-darker: #060612;
  --bg-card: #12122A;
  --bg-card-hover: #1A1A3E;
  --bg-input: #1A1A3A;
  --text-white: #FFFFFF;
  --text-light: #E8E8F0;
  --text-muted: #8888AA;
  --text-dim: #555577;
  --border: #2A2A4A;
  --border-light: #3A3A5A;
  --shadow: 0 4px 24px rgba(108, 59, 247, 0.15);
  --shadow-lg: 0 8px 48px rgba(108, 59, 247, 0.25);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(108, 59, 247, 0.12), transparent),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(0, 212, 170, 0.06), transparent),
    radial-gradient(ellipse 50% 40% at 20% 90%, rgba(108, 59, 247, 0.05), transparent);
  pointer-events: none;
  z-index: 0;
}

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.nav.scrolled { background: rgba(10, 10, 26, 0.95); }

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-white);
  font-weight: 700;
  font-size: 1.35rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
  flex-shrink: 0;
}

.logo span { background: linear-gradient(135deg, var(--text-white), var(--text-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.nav-links { display: flex; gap: 2rem; align-items: center; list-style: none; }

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-links a:hover { color: var(--text-white); }
.nav-links a:hover::after { width: 100%; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 16px rgba(108, 59, 247, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(108, 59, 247, 0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--text-white);
  border: 1px solid var(--border);
}

.btn-secondary:hover { border-color: var(--primary); background: rgba(108, 59, 247, 0.1); }

.btn-green {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: white;
  box-shadow: 0 4px 16px rgba(0, 212, 170, 0.3);
}

.btn-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 212, 170, 0.45);
}

.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.8rem; }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 1.5rem;
  cursor: pointer;
}

.hero {
  position: relative;
  padding: 8rem 2rem 6rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(108, 59, 247, 0.15);
  border: 1px solid rgba(108, 59, 247, 0.3);
  border-radius: 100px;
  color: var(--primary-light);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-white);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero h1 .gradient {
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  justify-content: center;
  margin-top: 4rem;
  flex-wrap: wrap;
}

.stat-item { text-align: center; }

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-white), var(--text-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  display: block;
}

.stat-label { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.35rem; }

.audit-tool-section {
  padding: 4rem 2rem 6rem;
  max-width: 900px;
  margin: 0 auto;
  z-index: 1;
  position: relative;
}

.audit-tool-section h2 {
  text-align: center;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.75rem;
}

.audit-tool-section > p {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

.audit-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow);
}

.audit-form {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.audit-form .input-group {
  flex: 1;
  min-width: 250px;
  position: relative;
}

.audit-form input[type="url"] {
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-white);
  font-family: var(--font-sans);
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.audit-form input[type="url"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108, 59, 247, 0.2);
}

.audit-form input[type="url"]::placeholder { color: var(--text-dim); }

.audit-form .btn { flex-shrink: 0; }

.features-section {
  padding: 6rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
  z-index: 1;
  position: relative;
}

.section-label {
  text-align: center;
  color: var(--primary-light);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 4rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover { border-color: var(--border-light); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 52px; height: 52px;
  background: rgba(108, 59, 247, 0.15);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.feature-card h3 { color: var(--text-white); font-size: 1.15rem; margin-bottom: 0.5rem; }
.feature-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }

.how-section {
  padding: 6rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
  z-index: 1;
  position: relative;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.step {
  text-align: center;
  padding: 2rem 1.5rem;
}

.step-number {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: white;
  margin: 0 auto 1.25rem;
}

.step h3 { color: var(--text-white); font-size: 1.1rem; margin-bottom: 0.5rem; }
.step p { color: var(--text-muted); font-size: 0.9rem; }

.scores-section {
  padding: 6rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
  z-index: 1;
  position: relative;
}

.scores-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.score-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
}

.score-card:hover { border-color: var(--border-light); transform: translateY(-2px); }

.score-circle {
  width: 100px; height: 100px;
  border-radius: 50%;
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-white);
  position: relative;
}

.score-circle.excellent { background: linear-gradient(135deg, #00D4AA, #00B894); }
.score-circle.good { background: linear-gradient(135deg, #FFB84D, #FF9F1C); }
.score-circle.average { background: linear-gradient(135deg, #FF8C5A, #FF6B3D); }
.score-circle.poor { background: linear-gradient(135deg, #FF6B6B, #E74C3C); }

.score-card h3 { color: var(--text-white); font-size: 1.05rem; margin-bottom: 0.5rem; }
.score-card p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.5; }

.pricing-section {
  padding: 6rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
  z-index: 1;
  position: relative;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 40px rgba(108, 59, 247, 0.15);
}

.pricing-card.featured::before {
  content: 'POPULAR';
  position: absolute;
  top: 1rem; right: 1rem;
  padding: 0.25rem 0.75rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
  letter-spacing: 0.05em;
}

.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.pricing-card h3 { color: var(--text-white); font-size: 1.3rem; margin-bottom: 1rem; }
.price { font-size: 3rem; font-weight: 800; color: var(--text-white); }
.price span { font-size: 1rem; color: var(--text-muted); font-weight: 400; }

.pricing-features { list-style: none; margin: 2rem 0; text-align: left; }
.pricing-features li {
  padding: 0.6rem 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

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

.cta-section {
  padding: 6rem 2rem;
  text-align: center;
  z-index: 1;
  position: relative;
}

.cta-card {
  max-width: 700px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(108, 59, 247, 0.15), rgba(0, 212, 170, 0.1));
  border: 1px solid rgba(108, 59, 247, 0.3);
  border-radius: var(--radius-xl);
  padding: 4rem 3rem;
}

.cta-card h2 { font-size: 2.5rem; font-weight: 700; color: var(--text-white); margin-bottom: 1rem; }
.cta-card p { color: var(--text-muted); margin-bottom: 2rem; max-width: 500px; margin-left: auto; margin-right: auto; }

.footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  z-index: 1;
  position: relative;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer p { color: var(--text-muted); font-size: 0.85rem; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; transition: var(--transition); }
.footer-links a:hover { color: var(--text-white); }

.loading-spinner {
  display: none;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 2rem;
  justify-content: center;
}

.loading-spinner.active { display: flex; }

.spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.results-container {
  display: none;
  margin-top: 2rem;
  animation: fadeUp 0.5s ease;
}

.results-container.active { display: block; }

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

.result-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.result-url { color: var(--text-muted); font-size: 0.8rem; word-break: break-all; }

.overall-score-circle {
  width: 140px; height: 140px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
}

.overall-score-circle .score-value {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}

.overall-score-circle .score-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
  opacity: 0.8;
}

.result-summary {
  flex: 1;
}

.result-summary p { color: var(--text-muted); line-height: 1.7; }

.category-scores {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.category-score {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}

.category-score .cat-name {
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: capitalize;
  margin-bottom: 0.5rem;
}

.category-score .cat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-white);
}

.category-score .cat-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin-top: 0.75rem;
  overflow: hidden;
}

.category-score .cat-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 1s ease;
}

.priorities-section {
  margin-bottom: 2rem;
}

.priorities-section h3 {
  color: var(--text-white);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.priority-item {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  align-items: flex-start;
}

.priority-badge {
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.priority-badge.critical { background: rgba(255, 107, 107, 0.2); color: var(--accent); }
.priority-badge.warning { background: rgba(255, 184, 77, 0.2); color: var(--accent-warning); }

.priority-text { color: var(--text-muted); font-size: 0.85rem; line-height: 1.5; }

.issues-list { margin-top: 1.5rem; }

.issue-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

.issue-item:hover { border-color: var(--border-light); }

.issue-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.issue-severity {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.issue-severity.critical { background: var(--accent); }
.issue-severity.warning { background: var(--accent-warning); }
.issue-severity.info { background: var(--primary-light); }
.issue-severity.passed { background: var(--secondary); }

.issue-title { color: var(--text-white); font-size: 0.95rem; font-weight: 600; }

.issue-description { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 0.5rem; line-height: 1.5; }
.issue-recommendation { color: var(--secondary); font-size: 0.85rem; }

.error-state {
  display: none;
  text-align: center;
  padding: 3rem 2rem;
  color: var(--accent);
}

.error-state.active { display: block; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    gap: 1rem;
  }
  .hero { padding: 6rem 1.5rem 4rem; }
  .hero-stats { gap: 2rem; }
  .audit-tool-section { padding: 3rem 1.5rem; }
  .audit-card { padding: 1.5rem; }
  .features-section, .how-section, .scores-section, .pricing-section { padding: 4rem 1.5rem; }
  .pricing-grid { grid-template-columns: 1fr; }
  .cta-card { padding: 2.5rem 1.5rem; }
  .cta-card h2 { font-size: 1.8rem; }
  .result-header { flex-direction: column; align-items: center; text-align: center; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .section-title { font-size: 1.75rem; }
  .audit-form { flex-direction: column; }
  .audit-form .input-group { min-width: 100%; }
  .stat-number { font-size: 2rem; }
  .features-grid { grid-template-columns: 1fr; }
}