/* QR Credit Note Website Styles */
/* Modern, clean design with blue accent color (#3B82F6) */

:root {
  --primary: #3B82F6;
  --primary-dark: #2563EB;
  --primary-light: #60A5FA;
  --accent: #3B82F6;
  --text: #1F2937;
  --text-light: #6B7280;
  --text-muted: #9CA3AF;
  --bg: #FFFFFF;
  --bg-alt: #F9FAFB;
  --bg-dark: #111827;
  --border: #E5E7EB;
  --success: #10B981;
  --warning: #F59E0B;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { color: var(--text-light); }

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-alt);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  padding: 16px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-light);
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-cta {
  background: var(--primary);
  color: white !important;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  transition: background 0.2s, transform 0.2s;
}

.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  padding-top: 140px;
  padding-bottom: 80px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--text), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto 40px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(59, 130, 246, 0.3);
}

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

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.hero-image {
  margin-top: 60px;
  max-width: 100%;
}

.app-preview {
  max-width: 300px;
  border-radius: 40px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
}

/* Features Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.feature-card {
  background: white;
  padding: 32px;
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #93C5FD, var(--primary));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  margin-bottom: 12px;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.pricing-card {
  background: white;
  padding: 40px;
  border-radius: 20px;
  border: 2px solid var(--border);
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
  position: relative;
}

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

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text);
  margin: 16px 0;
}

.pricing-price span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}

.pricing-features {
  list-style: none;
  margin: 32px 0;
  text-align: left;
}

.pricing-features li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-light);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.check-icon {
  color: var(--success);
  font-weight: bold;
}

/* How It Works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 48px;
  margin-top: 48px;
}

.step {
  text-align: center;
}

.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 20px;
}

.step h3 {
  margin-bottom: 12px;
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  text-align: center;
  padding: 80px 0;
}

.cta h2 {
  color: white;
  margin-bottom: 16px;
}

.cta p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
}

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

.cta .btn-primary:hover {
  background: var(--bg-alt);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: white;
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 16px;
}

.footer h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--text-muted);
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-muted);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Legal Pages */
.legal-page {
  padding-top: 120px;
  padding-bottom: 80px;
}

.legal-page h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.legal-page .last-updated {
  color: var(--text-muted);
  margin-bottom: 48px;
}

.legal-content {
  max-width: 800px;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--text);
}

.legal-content h3 {
  font-size: 1.25rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal-content p {
  margin-bottom: 16px;
}

.legal-content ul {
  margin: 16px 0;
  padding-left: 24px;
  color: var(--text-light);
}

.legal-content li {
  margin-bottom: 8px;
}

/* Support Page */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.support-card {
  background: white;
  padding: 40px;
  border-radius: 16px;
  border: 1px solid var(--border);
  text-align: center;
}

.support-card .feature-icon {
  margin: 0 auto 20px;
}

.contact-form {
  max-width: 600px;
  margin: 48px auto 0;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* App Store Badge */
.app-store-badge {
  height: 54px;
  transition: transform 0.2s;
}

.app-store-badge:hover {
  transform: scale(1.05);
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }

  .hero h1 { font-size: 2.5rem; }

  .nav-links { display: none; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .section { padding: 60px 0; }

  .pricing-card { padding: 32px 24px; }
}

/* Hero Device Preview */
.hero-devices {
  margin-top: 60px;
  display: flex;
  justify-content: center;
}

.device-container {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 20px;
}

.device-ipad {
  max-width: 180px;
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.device-iphone {
  max-width: 60px;
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  margin-bottom: 10px;
}

/* Screenshot Gallery */
.device-section {
  margin-top: 60px;
}

.device-title {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.device-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.screenshot-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.screenshot-gallery-phone {
  grid-template-columns: repeat(4, 1fr);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

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

.screenshot-img {
  width: 100%;
  max-width: 120px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s, box-shadow 0.3s;
}

.screenshot-img:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.screenshot-phone {
  max-width: 70px;
  margin: 0 auto;
  border-radius: 10px;
}

.screenshot-label {
  margin-top: 16px;
  font-weight: 600;
  color: var(--text);
}

/* Pricing Info */
.pricing-info {
  text-align: center;
  margin-top: 32px;
}

.pricing-info p {
  color: var(--text-muted);
  margin-bottom: 8px;
}

.pricing-terms {
  font-size: 0.875rem;
}

.pricing-terms a {
  color: var(--text-muted);
}

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

/* CTA Devices Text */
.cta-devices {
  margin-top: 16px;
  font-size: 0.875rem;
  opacity: 0.9;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeInUp 0.6s ease-out;
}

/* Section headers */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.section-header p {
  margin-top: 16px;
}

/* Responsive adjustments for device previews */
@media (max-width: 768px) {
  .device-container {
    flex-direction: column;
    align-items: center;
  }

  .device-ipad {
    max-width: 140px;
  }

  .device-iphone {
    max-width: 50px;
    margin-bottom: 0;
    margin-top: -20px;
  }

  .screenshot-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    max-width: 300px;
  }

  .screenshot-img {
    max-width: 100px;
  }

  .screenshot-gallery-phone {
    grid-template-columns: repeat(2, 1fr);
    max-width: 200px;
  }

  .screenshot-phone {
    max-width: 60px;
  }
}