/* ═══════════════════════════════════════════════════════════
   Credentik — Marketing Site Design System
   ═══════════════════════════════════════════════════════════ */

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

:root {
  --bg: #0a0e1a;
  --bg-card: #111827;
  --bg-card-hover: #1a2236;
  --surface: #1e293b;
  --border: #1e293b;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --primary: #2563eb;
  --primary-light: #3b82f6;
  --primary-glow: rgba(37, 99, 235, 0.15);
  --accent: #06b6d4;
  --accent-glow: rgba(6, 182, 212, 0.15);
  --success: #10b981;
  --warning: #f59e0b;
  --gradient-hero: linear-gradient(135deg, #0a0e1a 0%, #0f1729 50%, #0a1628 100%);
  --gradient-primary: linear-gradient(135deg, #2563eb, #06b6d4);
  --gradient-card: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(6, 182, 212, 0.05));
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

html { scroll-behavior: smooth; }

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

a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }

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

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 10px; font-size: 1rem;
  font-weight: 600; cursor: pointer; transition: var(--transition);
  border: none; text-decoration: none;
}
.btn-primary {
  background: var(--gradient-primary); color: #fff;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px); color: #fff;
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.45);
}
.btn-outline {
  background: transparent; color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--primary); color: var(--primary-light);
  background: var(--primary-glow);
}
.btn-lg { padding: 16px 40px; font-size: 1.1rem; }

/* ── Navigation ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 14, 26, 0.85);
  border-bottom: 1px solid rgba(30, 41, 59, 0.5);
  transition: var(--transition);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max-width); margin: 0 auto; padding: 16px 24px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.25rem; color: #fff; }
.nav-logo svg { width: 32px; height: 32px; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { color: var(--text-muted); font-size: 0.95rem; font-weight: 500; }
.nav-links a:hover { color: #fff; }
.nav-cta { display: flex; align-items: center; gap: 16px; }
.nav-cta .btn { padding: 10px 24px; font-size: 0.9rem; }

.mobile-toggle { display: none; background: none; border: none; color: #fff; cursor: pointer; }

/* ── Hero ── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: var(--gradient-hero); position: relative;
  padding: 120px 0 80px; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 40%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 60%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-2%, 2%); }
}
.hero-content { position: relative; z-index: 1; text-align: center; max-width: 800px; margin: 0 auto; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px; border-radius: 100px; font-size: 0.85rem;
  background: var(--primary-glow); border: 1px solid rgba(37, 99, 235, 0.3);
  color: var(--primary-light); font-weight: 500; margin-bottom: 24px;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--success); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero h1 { font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 800; line-height: 1.1; margin-bottom: 20px; letter-spacing: -0.03em; }
.hero h1 .gradient { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: 1.2rem; color: var(--text-muted); max-width: 600px; margin: 0 auto 36px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero-stats {
  display: flex; justify-content: center; gap: 48px; margin-top: 64px;
  padding-top: 48px; border-top: 1px solid var(--border);
}
.hero-stat { text-align: center; }
.hero-stat .value { font-size: 2rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-stat .label { font-size: 0.85rem; color: var(--text-dim); margin-top: 4px; }

/* ── Sections ── */
section { padding: 100px 0; }
.section-header { text-align: center; max-width: 600px; margin: 0 auto 60px; }
.section-header .overline {
  display: inline-block; font-size: 0.8rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--accent); margin-bottom: 16px;
}
.section-header h2 { font-size: 2.5rem; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.02em; }
.section-header p { color: var(--text-muted); font-size: 1.1rem; }

/* ── Features Grid ── */
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 36px; transition: var(--transition); position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--gradient-primary); opacity: 0; transition: var(--transition);
}
.feature-card:hover { border-color: rgba(37, 99, 235, 0.3); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: var(--gradient-card); border: 1px solid var(--border); margin-bottom: 20px; font-size: 1.4rem;
}
.feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; }

/* ── How It Works ── */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; counter-reset: step; }
.step {
  text-align: center; position: relative; counter-increment: step;
}
.step::before {
  content: counter(step); display: flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 20px;
  background: var(--gradient-primary); color: #fff; font-size: 1.2rem; font-weight: 800;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}
.step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.step p { color: var(--text-muted); font-size: 0.9rem; }

/* ── Pricing ── */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.pricing-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 40px 32px; transition: var(--transition); position: relative;
}
.pricing-card.featured {
  border-color: var(--primary); transform: scale(1.05);
  box-shadow: var(--shadow-glow);
}
.pricing-card.featured::before {
  content: 'Most Popular'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--gradient-primary); color: #fff; padding: 4px 20px; border-radius: 100px;
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
}
.pricing-card .plan-name { font-size: 1rem; font-weight: 600; color: var(--text-muted); margin-bottom: 8px; }
.pricing-card .price { font-size: 3rem; font-weight: 800; margin-bottom: 4px; }
.pricing-card .price span { font-size: 1rem; font-weight: 400; color: var(--text-muted); }
.pricing-card .price-note { font-size: 0.85rem; color: var(--text-dim); margin-bottom: 24px; }
.pricing-card ul { list-style: none; margin-bottom: 32px; }
.pricing-card li {
  padding: 8px 0; font-size: 0.95rem; color: var(--text-muted);
  display: flex; align-items: center; gap: 10px;
}
.pricing-card li::before { content: '✓'; color: var(--success); font-weight: 700; }
.pricing-card .btn { width: 100%; justify-content: center; }

/* ── Testimonials ── */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px; transition: var(--transition);
}
.testimonial-card:hover { border-color: rgba(37, 99, 235, 0.2); }
.testimonial-stars { color: var(--warning); margin-bottom: 16px; font-size: 1.1rem; letter-spacing: 2px; }
.testimonial-text { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--gradient-primary); color: #fff; font-weight: 700; font-size: 1rem;
}
.testimonial-info .name { font-weight: 600; font-size: 0.95rem; }
.testimonial-info .role { font-size: 0.8rem; color: var(--text-dim); }

/* ── CTA Section ── */
.cta-section {
  background: var(--gradient-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  text-align: center; padding: 80px 0;
}
.cta-section h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; }
.cta-section p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 32px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-section .cta-actions { display: flex; gap: 16px; justify-content: center; }

/* ── Footer ── */
.footer {
  background: var(--bg-card); border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: 16px; line-height: 1.7; max-width: 300px; }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--text-muted); font-size: 0.9rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--border);
  font-size: 0.85rem; color: var(--text-dim);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .features-grid, .pricing-grid, .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .pricing-card.featured { transform: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@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: rgba(10, 14, 26, 0.97);
    padding: 24px; gap: 16px; border-bottom: 1px solid var(--border);
  }
  .hero h1 { font-size: 2.2rem; }
  .hero-stats { flex-direction: column; gap: 24px; }
  .features-grid, .pricing-grid, .testimonials-grid, .steps { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .section-header h2 { font-size: 2rem; }
}