/* VendaPay Marketing Website - Modern Fintech Design */

:root {
  --primary: #635BFF;
  --primary-dark: #4B45C6;
  --primary-light: #8B85FF;
  --secondary: #00D4AA;
  --secondary-dark: #00B894;
  --success: #28A745;
  --info: #007BFF;
  --warning: #FFC107;
  --danger: #DC3545;
  --dark: #1A1F36;
  --dark-light: #2D3748;
  --gray: #6B7280;
  --gray-light: #9CA3AF;
  --light: #F7F9FC;
  --lighter: #F1F5F9;
  --white: #FFFFFF;
  --gradient-primary: linear-gradient(135deg, #635BFF 0%, #8B85FF 100%);
  --gradient-hero: linear-gradient(135deg, #1A1F36 0%, #2D3748 50%, #4B45C6 100%);
  --gradient-section: linear-gradient(180deg, #F7F9FC 0%, #FFFFFF 100%);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
}

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

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

img {
  max-width: 100%;
  height: auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: var(--gray);
}

.lead {
  font-size: 1.25rem;
  color: var(--gray);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-sm {
  max-width: 800px;
}

.container-lg {
  max-width: 1400px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  padding: 15px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 10px 0;
  box-shadow: var(--shadow-md);
}

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

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.navbar-brand img {
  height: 40px;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}

.navbar-nav a {
  color: var(--dark);
  font-weight: 500;
  font-size: 0.95rem;
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(99, 91, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 91, 255, 0.4);
  color: var(--white);
}

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

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

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

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

.btn-lg {
  padding: 18px 36px;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.9rem;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
  background-size: 50px 50px;
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  color: var(--white);
  margin-bottom: 20px;
}

.hero-text .lead {
  color: rgba(255,255,255,0.8);
  font-size: 1.3rem;
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-badges {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 0.95rem;
}

.hero-badge svg {
  color: var(--secondary);
}

.hero-image {
  position: relative;
}

.hero-phone {
  max-width: 276px;
  height: auto;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.3));
  animation: float 6s ease-in-out infinite;
  border-radius: 35px;
}

.hero-device {
  position: relative;
  max-width: 350px;
  margin: 0 auto;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.3));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* Sections */
section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header h2 {
  margin-bottom: 15px;
}

.section-header p {
  font-size: 1.1rem;
}

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

/* Payment Methods Grid */
.payment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.payment-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 2px solid transparent;
}

.payment-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.payment-card-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background: var(--light);
  border-radius: 50%;
}

.payment-card-icon img {
  max-width: 50px;
  max-height: 50px;
}

.payment-card h4 {
  margin-bottom: 10px;
}

.payment-card p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Installment Feature */
.installment-section {
  background: var(--gradient-primary);
  color: var(--white);
}

.installment-section h2,
.installment-section h3,
.installment-section h4 {
  color: var(--white);
}

.installment-section p {
  color: rgba(255,255,255,0.85);
}

.installment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.installment-benefits {
  list-style: none;
}

.installment-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.installment-benefits svg {
  flex-shrink: 0;
  color: var(--secondary);
}

.installment-mockup {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 30px;
  box-shadow: var(--shadow-xl);
}

.installment-example {
  text-align: center;
}

.installment-example .total {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
}

.installment-schedule {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.schedule-item {
  display: flex;
  justify-content: space-between;
  padding: 12px 15px;
  background: var(--light);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--dark);
}

.schedule-item.paid {
  background: #d4edda;
}

.schedule-item .date {
  color: var(--gray);
}

.schedule-item .amount {
  font-weight: 600;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--lighter);
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.feature-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 30px;
  height: 30px;
  color: var(--white);
}

.feature-card h4 {
  margin-bottom: 10px;
}

/* Use Cases */
.usecases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.usecase-card {
  text-align: center;
  padding: 30px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 2px solid transparent;
}

.usecase-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.usecase-icon {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
  background: var(--gradient-primary);
  border-radius: 50%;
}

.usecase-icon svg {
  width: 35px;
  height: 35px;
  color: var(--white);
}

.usecase-card h5 {
  margin-bottom: 8px;
}

.usecase-card p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* How It Works */
.steps-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}

.steps-container::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 15%;
  right: 15%;
  height: 3px;
  background: var(--lighter);
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background: var(--gradient-primary);
  border-radius: 50%;
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  position: relative;
  z-index: 1;
}

.step h4 {
  margin-bottom: 10px;
}

/* API & Partners */
.api-section {
  background: var(--dark);
  color: var(--white);
}

.api-section h2,
.api-section h4 {
  color: var(--white);
}

.api-section p {
  color: rgba(255,255,255,0.7);
}

.api-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.api-features {
  list-style: none;
}

.api-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
  font-size: 1.05rem;
}

.api-features svg {
  color: var(--secondary);
}

.code-preview {
  background: #0D1117;
  border-radius: var(--radius-lg);
  padding: 25px;
  overflow-x: auto;
}

.code-preview pre {
  margin: 0;
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 0.85rem;
  color: #E6EDF3;
}

/* Pricing */
.pricing-highlight {
  text-align: center;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 50px;
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  margin: 0 auto;
  border: 2px solid var(--primary-light);
}

.pricing-highlight .price-tag {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin: 30px 0;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
  font-size: 1.05rem;
}

.pricing-features svg {
  color: var(--success);
}

/* Registration */
.register-section {
  background: var(--gradient-hero);
  color: var(--white);
}

.register-section h2 {
  color: var(--white);
}

.register-section p {
  color: rgba(255,255,255,0.8);
}

.register-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 800px;
  margin: 0 auto;
}

.register-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  text-align: center;
  transition: var(--transition);
}

.register-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.register-card.usd {
  border: 3px solid var(--info);
}

.register-card.jmd {
  border: 3px solid var(--success);
}

.currency-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  border-radius: 50%;
  font-size: 2rem;
  font-weight: 700;
}

.register-card.usd .currency-icon {
  background: rgba(0,123,255,0.1);
  color: var(--info);
}

.register-card.jmd .currency-icon {
  background: rgba(40,167,69,0.1);
  color: var(--success);
}

.register-card h4 {
  margin-bottom: 10px;
}

.register-card p {
  color: var(--gray);
  margin-bottom: 25px;
}

/* App Store */
.app-section {
  text-align: center;
  padding: 80px 0;
  background: var(--light);
}

.app-badges {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.app-badge {
  display: inline-block;
  transition: var(--transition);
}

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

.app-badge img {
  height: 50px;
}

/* Footer */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}

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

.footer-brand {
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.footer h5 {
  color: var(--white);
  margin-bottom: 20px;
  font-size: 1rem;
}

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

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

.footer-links a {
  color: rgba(255,255,255,0.7);
}

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

.footer-social {
  display: flex;
  gap: 15px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  color: var(--white);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
}

/* Share Buttons */
.share-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
}

.share-buttons span {
  font-size: 0.85rem;
  color: var(--gray);
}

.share-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light);
  border-radius: 50%;
  color: var(--gray);
  transition: var(--transition);
}

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

.share-btn svg {
  width: 18px;
  height: 18px;
}

/* Copied Toast */
.copy-toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--dark);
  color: var(--white);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  z-index: 9999;
  opacity: 0;
  transition: var(--transition);
}

.copy-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-badges {
    justify-content: center;
  }
  
  .hero-device {
    max-width: 280px;
  }
  
  .installment-grid,
  .api-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  
  .usecases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }
  
  .navbar-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    gap: 15px;
    box-shadow: var(--shadow-lg);
  }
  
  .navbar-nav.active {
    display: flex;
  }
  
  .navbar-toggle {
    display: block;
  }
  
  .steps-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .steps-container::before {
    display: none;
  }
  
  .register-options {
    grid-template-columns: 1fr;
  }
  
  
  .usecases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 100px 0 60px;
  }
  
  .btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .payment-grid,
  .features-grid,
  .usecases-grid {
    grid-template-columns: 1fr;
  }
}