/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #4F46E5;
  --primary-dark: #4338CA;
  --primary-light: #EEF2FF;
  --accent: #10B981;
  --accent-dark: #059669;
  --dark: #1E1B4B;
  --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;
  --white: #FFFFFF;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
}

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--gray-700);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
}

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

.logo { height: 32px; width: auto; }

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

.nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  transition: color 0.2s;
}

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

.nav-cta {
  background: var(--primary) !important;
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  transition: background 0.2s !important;
}

.nav-cta:hover { background: var(--primary-dark) !important; }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle svg { width: 24px; height: 24px; stroke: var(--gray-700); }

/* Hero */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, var(--primary-light) 0%, var(--white) 100%);
}

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero h1 span { color: var(--primary); }

.hero p {
  font-size: 18px;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto 36px;
}

.hero-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); color: var(--white); }

.btn-outline {
  background: var(--white);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.btn-accent { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: var(--accent-dark); color: var(--white); }

.btn-lg { padding: 16px 36px; font-size: 16px; }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--gray-50); }

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section-header p {
  font-size: 16px;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-accent { background: #D1FAE5; color: var(--accent-dark); }

/* Grid layouts */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

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

/* Cards */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 24px;
}

.card-icon-primary { background: var(--primary-light); color: var(--primary); }
.card-icon-accent { background: #D1FAE5; color: var(--accent); }
.card-icon-purple { background: #F3E8FF; color: #7C3AED; }
.card-icon-amber { background: #FEF3C7; color: #D97706; }

.card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.card p { color: var(--gray-500); font-size: 14px; }

/* Steps */
.steps { counter-reset: step; }

.step {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  position: relative;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.step p { color: var(--gray-500); font-size: 14px; }

/* Platforms grid */
.platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.platform-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 40px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
}

.platform-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 700px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
  position: relative;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
  border-color: var(--primary);
}

.pricing-card .popular-tag {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.pricing-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.price {
  font-size: 48px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1;
  margin-bottom: 4px;
}

.price span { font-size: 18px; font-weight: 500; color: var(--gray-400); }

.pricing-card .period {
  font-size: 14px;
  color: var(--gray-400);
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
}

.pricing-features li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--gray-600);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li::before {
  content: '';
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  background: var(--accent);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 14px;
  background-repeat: no-repeat;
  background-position: center;
}

.pricing-card .btn { width: 100%; justify-content: center; }

/* CTA Banner */
.cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
  text-align: center;
}

.cta-banner h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.cta-banner p {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* Testimonials */
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px;
}

.testimonial-stars {
  color: #F59E0B;
  font-size: 18px;
  margin-bottom: 12px;
}

.testimonial-card blockquote {
  font-size: 14px;
  color: var(--gray-600);
  font-style: italic;
  margin-bottom: 16px;
  line-height: 1.7;
}

.testimonial-author {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-900);
}

.testimonial-role {
  font-size: 13px;
  color: var(--gray-400);
}

/* Contact form */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  color: var(--gray-900);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

/* Footer */
.footer {
  background: var(--gray-900);
  padding: 60px 0 32px;
  color: var(--gray-400);
}

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

.footer-brand p {
  font-size: 14px;
  color: var(--gray-400);
  margin-top: 12px;
  line-height: 1.7;
}

.footer h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
}

.footer-links li { margin-bottom: 10px; }

.footer-links a {
  font-size: 14px;
  color: var(--gray-400);
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  font-size: 13px;
  text-align: center;
  color: var(--gray-500);
}

/* Page header (for inner pages) */
.page-header {
  padding: 48px 0;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

.page-header h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.page-header p {
  font-size: 16px;
  color: var(--gray-500);
}

/* Legal / Content pages */
.content-page { padding: 48px 0 80px; }

.content-page .content {
  max-width: 720px;
  margin: 0 auto;
}

.content h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--gray-900);
  margin-top: 36px;
  margin-bottom: 12px;
}

.content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin-top: 24px;
  margin-bottom: 8px;
}

.content p {
  margin-bottom: 16px;
  color: var(--gray-600);
  font-size: 15px;
  line-height: 1.7;
}

.content ul, .content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.content li {
  margin-bottom: 8px;
  color: var(--gray-600);
  font-size: 15px;
  line-height: 1.7;
}

.content a { text-decoration: underline; }

/* Stats row */
.stats {
  display: flex;
  justify-content: center;
  gap: 64px;
  padding: 40px 0;
}

.stat { text-align: center; }

.stat-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  font-size: 14px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 16px; }
  .section-header h2 { font-size: 28px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats { gap: 32px; flex-wrap: wrap; }
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 16px 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
  }
  .mobile-toggle { display: block; }
  .cta-banner h2 { font-size: 28px; }
  .price { font-size: 40px; }
}