/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --secondary: #06b6d4;
  --accent: #f59e0b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  
  /* Text Colors */
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-tertiary: #94a3b8;
  --text-white: #ffffff;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-warning: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px 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);
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Typography */
  --font-family: 'Inter', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
}

/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

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

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

/* ===== UTILITIES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.gradient-text {
  background: var(--bg-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover:before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-white);
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--primary);
  color: var(--text-white);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25d366;
  color: var(--text-white);
}

.btn-whatsapp:hover {
  background: #128c7e;
  transform: translateY(-2px);
}

.btn-large {
  padding: 16px 32px;
  font-size: var(--font-size-lg);
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  z-index: var(--z-fixed);
  transition: all var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 20px;
  max-width: 1200px;
  margin: 0 auto;
  height: 70px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 700;
  font-size: var(--font-size-xl);
  color: var(--text-primary);
}

.logo {
  height: 400px;
  width: auto;
  border-radius: var(--radius);
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  position: relative;
  font-weight: 500;
  color: var(--text-primary);
  padding: var(--spacing-xs) 0;
  transition: color var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link:before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}

.nav-link:hover:before,
.nav-link.active:before {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--text-white);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.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"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" fill-opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.1;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
  animation: float 3s ease-in-out infinite;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

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

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-white);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
}

.hero-image {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  animation: float 3s ease-in-out infinite;
}

.card-1 {
  top: 20%;
  left: 10%;
  animation-delay: -1s;
}

.card-2 {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -2s;
}

.card-3 {
  bottom: 20%;
  right: 10%;
  animation-delay: -0.5s;
}

.hero-illustration {
  position: relative;
}

.phone-mockup {
  width: 200px;
  height: 400px;
  background: linear-gradient(145deg, #333, #555);
  border-radius: 30px;
  padding: 20px;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, #1a1a2e, #16213e);
  border-radius: 20px;
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.app-bar {
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  margin-bottom: 20px;
}

.balance {
  font-size: 24px;
  font-weight: 700;
  color: var(--success);
  text-align: center;
  margin-top: 80px;
}

.pulse {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 60px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

/* ===== SECTION SPACING ===== */
section {
  padding: var(--spacing-2xl) 0;
}

/* ===== RATES SECTION ===== */
.rates-section {
  background: var(--bg-secondary);
}

.providers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  justify-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

.provider-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 300px;
}

.provider-card:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(79, 70, 229, 0.1), transparent);
  transition: left 0.5s;
}

.provider-card:hover:before {
  left: 100%;
}

.provider-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

 .provider-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  /* background: var(--bg-secondary); */
  border-radius: var(--radius-lg);
} 

.provider-logo img {
  width: 160px;
  height: 160px;
  object-fit: contain;
}

.provider-info h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.rate {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--success);
  margin-bottom: var(--spacing-xs);
}

.rate-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.provider-status {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
}

.status-badge {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.status-badge.active {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  background: var(--bg-primary);
}

.steps-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: nowrap; /* penting untuk sejajar horizontal */
  max-width: 1000px;
  margin: 0 auto;
}


.step-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow);
  position: relative;
  max-width: 280px;
  width: 100%;
  transition: all var(--transition);
}

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

.step-number {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 30px;
  background: var(--primary);
  color: var(--text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.step-icon {
  width: 80px;
  height: 80px;
  margin: var(--spacing-md) auto;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--text-white);
}

.step-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.step-arrow {
  font-size: var(--font-size-xl);
  color: var(--primary);
  animation: bounce-horizontal 2s infinite;
}

/* ===== FEATURES ===== */
.features {
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  justify-items: center;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  width: 100%;
  max-width: 350px;
}

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

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--text-white);
}

.feature-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

/* ===== PAYMENT METHODS ===== */
.payment-methods {
  background: var(--bg-primary);
}

.payment-tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-secondary);
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.tab-btn.active,
.tab-btn:hover {
  background: var(--primary);
  color: var(--text-white);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.payment-image-container img {
  width: 100%;
  max-width: 600px;
  height: auto;
  object-fit: contain;
}

.payment-methods-image {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
/* 
.payment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  max-width: 800px;
  margin: 0 auto;
  justify-items: center;
}

.payment-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  cursor: pointer;
  width: 100%;
  max-width: 160px;
}

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

.payment-logo {
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--text-primary);
} */

.payment-image-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 2rem;
}

.payment-image {
  max-width: 90%;
  height: auto;
  object-fit: contain;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border-radius: 12px;
}


/* ===== TESTIMONIALS ===== */
.testimonials {
  background: var(--bg-secondary);
}

.testimonial-slider {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.testimonial-card {
  display: none;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow);
  text-align: center;
}

.testimonial-card.active {
  display: block;
  animation: fadeIn 0.5s ease-in-out;
}

.stars {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: var(--spacing-md);
  color: var(--warning);
}

.testimonial-content p {
  font-size: var(--font-size-lg);
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
}

.author-avatar {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.author-info {
  text-align: left;
}

.author-info strong {
  display: block;
  color: var(--text-primary);
}

.author-info span {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.testimonial-nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-lg);
}

.nav-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  background: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition);
}

.nav-dot.active,
.nav-dot:hover {
  background: var(--primary);
  transform: scale(1.2);
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: var(--gradient-primary);
  color: var(--text-white);
  text-align: center;
}

.cta-content h2 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--text-primary);
  color: var(--text-white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand {
    align-items: center;
  justify-content: flex-start;
  gap: var(--spacing-sm);
}

.footer-logo {
  height: 100px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
}

.footer-section h4 {
  margin-bottom: var(--spacing-md);
  color: var(--text-white);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition);
}

.footer-section ul li a:hover {
  color: var(--text-white);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

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

.social-links a:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: var(--z-tooltip);
}

.whatsapp-float a {
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-lg);
  animation: pulse 2s infinite;
  transition: all var(--transition);
}

.whatsapp-float a:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

/* ===== ANIMATIONS ===== */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

@keyframes bounce-horizontal {
  0%, 20%, 50%, 80%, 100% { transform: translateX(0); }
  40% { transform: translateX(-5px); }
  60% { transform: translateX(5px); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
  }

  .container {
    padding: 0 16px;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-md);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: var(--shadow);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }
  
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
  }
  
  .steps-container {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .step-arrow {
    transform: rotate(90deg);
    font-size: 1.5rem;
    margin: -10px 0; 
  }
  
  .hero-buttons,
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .payment-tabs {
    flex-direction: column;
    align-items: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .providers-grid{
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  padding: 0 10px;
}
  .features-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }
  
  .payment-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .section-header h2 {
    font-size: var(--font-size-3xl);
  }
}