/* CSS Variables */
:root {
  --primary: #4285f4;
  --primary-dark: #3367d6;
  --secondary: #34a853;
  --accent: #ea4335;
  --text: #202124;
  --text-light: #5f6368;
  --bg: #ffffff;
  --bg-alt: #f8f9fa;
  --border: #dadce0;
  --shadow: 0 1px 3px rgba(60,64,67,0.3), 0 4px 8px rgba(60,64,67,0.15);
  --shadow-lg: 0 8px 16px rgba(60,64,67,0.15), 0 16px 32px rgba(60,64,67,0.1);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.2s ease;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); }
h3 { font-size: 1.25rem; }

p { color: var(--text-light); }

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--primary-dark); }

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 5rem 0;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo svg {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--primary);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: var(--transition);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: var(--bg);
  color: var(--text);
  border: 2px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

/* Hero Section */
.hero {
  padding-top: 10rem;
  padding-bottom: 6rem;
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  text-align: center;
}

.hero h1 {
  margin-bottom: 1.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-image {
  margin-top: 4rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Trust Badges */
.trust-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.trust-badges p {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-logos {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.badge-logos svg {
  height: 32px;
  width: auto;
  opacity: 0.6;
}

/* Features Section */
.features {
  background: var(--bg);
}

.features .section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.features .section-header p {
  max-width: 600px;
  margin: 1rem auto 0;
  font-size: 1.1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  padding: 2rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.feature-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, #667eea 100%);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  color: white;
}

.feature-card h3 {
  margin-bottom: 0.75rem;
  color: var(--text);
}

.feature-card p {
  font-size: 0.95rem;
}

/* How It Works */
.how-it-works {
  background: var(--bg-alt);
}

.how-it-works .section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  position: relative;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 64px;
  height: 64px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
}

.step h3 {
  margin-bottom: 0.75rem;
}

/* Benefits */
.benefits {
  background: var(--bg);
}

.benefits-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.benefits-text h2 {
  margin-bottom: 1.5rem;
}

.benefits-text > p {
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.benefit-list {
  list-style: none;
}

.benefit-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.benefit-list svg {
  width: 24px;
  height: 24px;
  color: var(--secondary);
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit-list span {
  font-size: 1rem;
  color: var(--text);
}

.benefits-visual {
  background: linear-gradient(135deg, var(--bg-alt) 0%, #e8f0fe 100%);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sync-diagram {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.sync-icon {
  width: 80px;
  height: 80px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sync-icon svg {
  width: 40px;
  height: 40px;
}

.sync-arrows {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sync-arrows svg {
  width: 32px;
  height: 32px;
  color: var(--primary);
}

/* Pricing */
.pricing {
  background: var(--bg-alt);
}

.pricing .section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  transition: all var(--transition);
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
}

.pricing-card h3 {
  margin-bottom: 1rem;
}

.price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-light);
}

.pricing-features {
  list-style: none;
  margin: 2rem 0;
  text-align: left;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features svg {
  width: 20px;
  height: 20px;
  color: var(--secondary);
  flex-shrink: 0;
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, var(--primary) 0%, #667eea 100%);
  text-align: center;
  color: white;
}

.cta h2 {
  color: white;
  margin-bottom: 1rem;
}

.cta p {
  color: rgba(255,255,255,0.9);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.cta .btn-primary {
  background: white;
  color: var(--primary);
}

.cta .btn-primary:hover {
  background: var(--bg-alt);
  transform: translateY(-2px);
}

/* Footer */
.footer {
  background: var(--text);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: rgba(255,255,255,0.7);
  margin-top: 1rem;
  max-width: 300px;
}

.footer h4 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 992px) {
  .benefits-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .benefits-visual {
    order: -1;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  section {
    padding: 3rem 0;
  }

  .hero {
    padding-top: 7rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }

  .trust-badges {
    flex-direction: column;
    gap: 1.5rem;
  }

  .sync-diagram {
    flex-direction: column;
  }

  .pricing-card.featured {
    transform: none;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand p {
    margin-left: auto;
    margin-right: auto;
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeIn 0.6s ease forwards;
}
