:root {
  /* Color System */
  --primary: #10b981;
  --primary-dark: #059669;
  --primary-light: #34d399;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --background: #fafaf9;
  --surface: #ffffff;
  --surface-dark: #f3f4f6;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --border: #e5e7eb;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
  
  /* Typography */
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 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: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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: 1.25rem; }

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

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

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
  color: var(--primary);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
}

.logo-icon {
  background: var(--gradient-primary);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: rgba(16, 185, 129, 0.1);
}

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

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(16, 185, 129, 0.4);
}

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

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

.btn-success {
  background: var(--gradient-accent);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.3);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(245, 158, 11, 0.4);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-block {
  width: 100%;
}

/* Sections */
.section {
  padding: var(--spacing-2xl) 0;
  min-height: 100vh;
  display: none;
}

.section.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

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

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

.section-title {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Hero Section */
.hero-section {
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: var(--primary);
  top: -200px;
  right: -100px;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: var(--accent);
  bottom: -150px;
  left: -100px;
}

.grid-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(16, 185, 129, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 185, 129, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
}

.hero-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  min-height: calc(100vh - 100px);
}

.hero-content {
  max-width: 600px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
}

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

.hero-stats {
  display: flex;
  gap: var(--spacing-lg);
}

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

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  width: 300px;
  height: 600px;
  background: #1a1a2e;
  border-radius: 40px;
  padding: 20px;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 25px;
  background: #000;
  border-radius: 20px;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  border-radius: 30px;
  padding: 50px 15px 15px;
  display: flex;
  flex-direction: column;
}

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

.app-balance {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-light);
}

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

.task-item {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  backdrop-filter: blur(10px);
}

.task-icon {
  font-size: 1.5rem;
}

.task-info {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.task-name {
  color: white;
  font-weight: 500;
}

.task-reward {
  color: var(--primary-light);
  font-weight: 700;
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  align-items: start;
}

.step-card {
  background: var(--surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

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

.step-number {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
}

.step-icon {
  font-size: 3rem;
  margin: var(--spacing-md) 0;
}

.step-title {
  margin-bottom: var(--spacing-xs);
}

.step-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.step-connector {
  display: none;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  background: var(--surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

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

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.feature-title {
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Investment Section */
.investment-section {
  background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 100%);
  color: white;
}

.investment-section .section-title,
.investment-section .section-subtitle {
  color: white;
}

.investment-container {
  max-width: 1000px;
  margin: 0 auto;
}

.investment-plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.plan-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  position: relative;
  transition: var(--transition-normal);
}

.plan-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.15);
}

.plan-card.popular {
  border-color: var(--accent);
  transform: scale(1.05);
}

.plan-card.popular:hover {
  transform: scale(1.05) translateY(-5px);
}

.plan-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-accent);
  color: white;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.plan-name {
  font-size: 1.5rem;
  margin: var(--spacing-md) 0 var(--spacing-sm);
}

.plan-amount {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-light);
  margin-bottom: var(--spacing-xs);
}

.plan-profit {
  font-size: 1.25rem;
  color: var(--accent);
  margin-bottom: var(--spacing-xs);
}

.plan-duration {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-lg);
}

/* Tasks Section */
.tasks-container {
  max-width: 1000px;
  margin: 0 auto;
}

.tasks-categories {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.category-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition-fast);
}

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

.tasks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.task-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.task-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

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

.task-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.task-icon-large {
  font-size: 2rem;
}

.task-title {
  flex: 1;
  font-size: 1.125rem;
}

.task-reward-badge {
  background: var(--gradient-accent);
  color: white;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
}

.task-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
}

.task-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.task-btn {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition-fast);
}

.task-btn:hover {
  transform: scale(1.05);
}

.task-btn:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
  transform: none;
}

.tasks-info {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.tasks-info p {
  margin-bottom: var(--spacing-xs);
}

/* Referral Section */
.refer-container {
  max-width: 800px;
  margin: 0 auto;
}

.refer-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
}

.refer-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-box {
  background: var(--surface-dark);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--spacing-xs);
}

.refer-link-container {
  margin-bottom: var(--spacing-lg);
}

.refer-link-container label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.refer-link-box {
  display: flex;
  gap: var(--spacing-sm);
}

.refer-link-box input {
  flex: 1;
  padding: var(--spacing-sm);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
}

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

/* Withdraw Section */
.withdraw-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

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

.info-card {
  background: var(--surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.info-card h3 {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.balance-amount {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.min-amount, .time-info {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.withdraw-form-container {
  background: var(--surface);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.withdraw-notice {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(245, 158, 11, 0.1);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.about-text {
  line-height: 1.8;
}

.about-text h3 {
  margin-top: var(--spacing-lg);
  color: var(--primary);
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.about-feature {
  background: var(--surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

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

.feature-icon-large {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.about-feature h4 {
  margin-bottom: var(--spacing-xs);
}

.about-feature p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

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

.contact-card {
  background: var(--surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.contact-card.whatsapp {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: white;
}

.contact-card.whatsapp .btn {
  background: white;
  color: #25d366;
  margin-top: var(--spacing-sm);
}

.contact-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.contact-card h3 {
  color: inherit;
  margin-bottom: var(--spacing-xs);
}

.contact-card p {
  color: inherit;
  opacity: 0.9;
}

.contact-form-container {
  background: var(--surface);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Deposit Section */
.deposit-section {
  background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 100%);
  color: white;
}

.deposit-section .section-title,
.deposit-section .section-subtitle {
  color: white;
}

.deposit-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.deposit-info h3 {
  margin-bottom: var(--spacing-md);
}

.account-details {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin: var(--spacing-lg) 0;
}

.detail-item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.detail-item:last-child {
  border-bottom: none;
}

.detail-label {
  color: rgba(255, 255, 255, 0.7);
}

.detail-value {
  font-weight: 600;
  color: var(--primary-light);
}

.deposit-notice {
  background: rgba(245, 158, 11, 0.2);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--accent);
}

.deposit-notice ul {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
}

.deposit-form-container {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Dashboard */
.dashboard-section {
  padding-top: 100px;
  min-height: 100vh;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

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

.stat-card {
  background: var(--surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.stat-icon {
  font-size: 2.5rem;
  background: var(--surface-dark);
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.dashboard-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.action-btn {
  background: var(--surface);
  border: 2px solid var(--border);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
}

.action-btn:hover {
  border-color: var(--primary);
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
}

.action-icon {
  font-size: 2rem;
}

.dashboard-recent {
  background: var(--surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.dashboard-recent h3 {
  margin-bottom: var(--spacing-md);
}

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

.activity-item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm);
  background: var(--surface-dark);
  border-radius: var(--radius-sm);
}

.activity-type {
  font-weight: 500;
}

.activity-amount {
  color: var(--primary);
  font-weight: 600;
}

.activity-date {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 100%;
  position: relative;
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from { transform: translateY(-50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.close-modal {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  font-size: 2rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.close-modal:hover {
  color: var(--text-primary);
}

.auth-tabs {
  display: flex;
  margin-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--border);
}

.auth-tab {
  flex: 1;
  padding: var(--spacing-sm);
  background: none;
  border: none;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.auth-tab.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  margin-bottom: -2px;
}

.auth-form {
  display: flex;
  flex-direction: column;
}

.investment-confirm {
  text-align: center;
}

.investment-confirm p {
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.investment-notice {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md);
  background: rgba(245, 158, 11, 0.1);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--accent);
  text-align: left;
}

/* Toast */
.toast {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  background: var(--text-primary);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition-normal);
  z-index: 3000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  background: var(--success);
}

.toast.error {
  background: var(--error);
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: white;
  padding: var(--spacing-xl) 0 var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.footer-link {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  margin-bottom: var(--spacing-xs);
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary-light);
}

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

.social-link {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content {
    max-width: 100%;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .steps-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .step-connector {
    display: none;
  }
  
  .about-content,
  .contact-container,
  .withdraw-container,
  .deposit-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .steps-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .refer-buttons {
    flex-direction: column;
  }
  
  .refer-link-box {
    flex-direction: column;
  }
  
  .dashboard-actions {
    grid-template-columns: 1fr 1fr;
  }
  
  .phone-mockup {
    width: 250px;
    height: 500px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn-large {
    width: 100%;
  }
  
  .tasks-categories {
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: var(--spacing-sm);
  }
  
  .category-btn {
    white-space: nowrap;
  }
  
  .dashboard-stats {
    grid-template-columns: 1fr;
  }
  
  .dashboard-actions {
    grid-template-columns: 1fr;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--text-secondary); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

/* Print Styles */
@media print {
  .navbar, .footer, .modal, .toast {
    display: none;
  }
  
  .section {
    display: block !important;
    page-break-after: always;
  }
}