/* =========================================
   Revenue Hub - Professional Website Styles
   Premium Dark Theme with Glassmorphism
   ========================================= */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  /* Colors */
  --color-bg-primary: #0a0e1a;
  --color-bg-secondary: #111827;
  --color-bg-tertiary: #1a1f35;
  --color-bg-card: rgba(17, 24, 39, 0.6);
  --color-bg-glass: rgba(255, 255, 255, 0.04);
  --color-bg-glass-hover: rgba(255, 255, 255, 0.08);

  --color-accent-primary: #6366f1;
  --color-accent-secondary: #8b5cf6;
  --color-accent-tertiary: #06b6d4;
  --color-accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
  --color-accent-gradient-2: linear-gradient(135deg, #06b6d4, #6366f1);
  --color-accent-glow: rgba(99, 102, 241, 0.3);
  --color-accent-glow-2: rgba(139, 92, 246, 0.2);

  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-text-accent: #818cf8;

  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(255, 255, 255, 0.12);

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
  --shadow-glow-lg: 0 0 60px rgba(99, 102, 241, 0.2);

  /* Container */
  --container-max: 1280px;
  --container-padding: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

/* ---- Utility Classes ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-5xl) 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.section-label .dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent-primary);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--color-text-primary), var(--color-text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

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

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ---- Background Effects ---- */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

.bg-glow-1 {
  top: -200px;
  right: -100px;
  background: var(--color-accent-primary);
}

.bg-glow-2 {
  bottom: 30%;
  left: -200px;
  background: var(--color-accent-secondary);
}

.bg-glow-3 {
  bottom: -200px;
  right: 20%;
  background: var(--color-accent-tertiary);
  opacity: 0.1;
}

/* ---- Navigation ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.nav-logo img {
  height: 40px;
  width: 40px;
  border-radius: var(--radius-md);
}

.nav-logo .logo-text span {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: var(--space-xs) 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-gradient);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

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

.nav-links a:hover::after {
  width: 100%;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.65rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-ghost {
  color: var(--color-text-secondary);
  background: transparent;
}

.btn-ghost:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-glass);
}

.btn-primary {
  background: var(--color-accent-gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-hover);
  background: var(--color-bg-glass);
}

.btn-outline:hover {
  border-color: var(--color-accent-primary);
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-text-accent);
}

.btn-lg {
  padding: 0.85rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-xl);
}

.btn-icon {
  font-size: 1.1rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

/* ---- Hero Section ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--color-text-accent);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease;
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-title .gradient-text {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
  display: flex;
  gap: var(--space-3xl);
  animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-stat {
  position: relative;
}

.hero-stat::after {
  content: '';
  position: absolute;
  right: calc(-1 * var(--space-lg));
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

.hero-stat:last-child::after {
  display: none;
}

.hero-stat .stat-value {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.hero-stat .stat-value .accent {
  color: var(--color-accent-primary);
}

.hero-stat .stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.hero-visual {
  position: relative;
  z-index: 2;
  animation: fadeInRight 0.8s ease 0.3s both;
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius-2xl);
  filter: drop-shadow(0 20px 60px rgba(99, 102, 241, 0.15));
}

.hero-visual::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: var(--color-accent-gradient);
  border-radius: var(--radius-2xl);
  opacity: 0.1;
  filter: blur(40px);
  z-index: -1;
}

/* Floating Elements */
.floating-card {
  position: absolute;
  background: rgba(17, 24, 39, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  animation: float 4s ease-in-out infinite;
  z-index: 5;
}

.floating-card-1 {
  top: 20%;
  right: -10px;
  animation-delay: 0s;
}

.floating-card-2 {
  bottom: 25%;
  left: -20px;
  animation-delay: 2s;
}

.floating-card .fc-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.floating-card .fc-icon.green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
}

.floating-card .fc-icon.purple {
  background: rgba(139, 92, 246, 0.15);
  color: var(--color-accent-secondary);
}

.floating-card .fc-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.floating-card .fc-value {
  font-weight: 600;
  color: var(--color-text-primary);
  font-size: 0.95rem;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* ---- Brands / Trusted By ---- */
.brands-section {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-glass);
}

.brands-label {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xl);
}

.brands-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-3xl);
  flex-wrap: wrap;
}

.brand-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  opacity: 0.5;
  transition: opacity var(--transition-base);
}

.brand-item:hover {
  opacity: 1;
}

.brand-item .brand-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

/* ---- Features Section ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-lg);
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-accent-primary);
}

.feature-card:nth-child(2) .feature-icon {
  background: rgba(139, 92, 246, 0.1);
  color: var(--color-accent-secondary);
}

.feature-card:nth-child(3) .feature-icon {
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-accent-tertiary);
}

.feature-card:nth-child(4) .feature-icon {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.feature-card:nth-child(5) .feature-icon {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.feature-card:nth-child(6) .feature-icon {
  background: rgba(236, 72, 153, 0.1);
  color: #ec4899;
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.feature-description {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ---- How It Works Section ---- */
.how-it-works {
  background: linear-gradient(180deg, var(--color-bg-primary), var(--color-bg-secondary));
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
  position: relative;
}

.steps-container::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent-primary), var(--color-accent-secondary), transparent);
  opacity: 0.3;
}

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

.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-xl);
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--color-bg-card);
  border: 2px solid var(--color-border);
  color: var(--color-accent-primary);
  position: relative;
  z-index: 2;
  transition: all var(--transition-base);
}

.step-card:hover .step-number {
  background: var(--color-accent-gradient);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-glow-lg);
  transform: scale(1.1);
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.step-description {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 300px;
  margin: 0 auto;
}

/* ---- Projects / Earnings Section ---- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.project-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.project-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.project-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.project-logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
}

.project-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.project-category {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.project-payout {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  background: var(--color-bg-glass);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.project-payout .payout-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.project-payout .payout-value {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-success);
}

.project-tags {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.project-tag {
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg-glass);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ---- Tools Section ---- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.tool-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
  transition: all var(--transition-base);
}

.tool-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.tool-icon {
  width: 60px;
  height: 60px;
  min-width: 60px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
}

.tool-content h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.tool-content p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ---- Testimonials ---- */
.testimonials {
  background: linear-gradient(180deg, var(--color-bg-secondary), var(--color-bg-primary));
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--space-lg);
  right: var(--space-xl);
  font-size: 4rem;
  font-family: serif;
  color: var(--color-accent-primary);
  opacity: 0.15;
  line-height: 1;
}

.testimonial-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-md);
  color: var(--color-warning);
  font-size: 0.9rem;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  font-style: italic;
}

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

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
  background: var(--color-accent-gradient);
  color: white;
}

.testimonial-info .author-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-primary);
}

.testimonial-info .author-role {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ---- Pricing / Refer & Earn ---- */
.refer-section {
  position: relative;
}

.refer-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-4xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-top: var(--space-3xl);
}

.refer-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent-gradient);
  opacity: 0.03;
}

.refer-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent-gradient);
}

.refer-percentage {
  font-family: var(--font-heading);
  font-size: 5rem;
  font-weight: 800;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-md);
}

.refer-subtitle {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.refer-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

.refer-features {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.refer-feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.refer-feature .check-icon {
  color: var(--color-success);
  font-size: 1.1rem;
}

/* ---- CTA Section ---- */
.cta-section {
  padding: var(--space-5xl) 0;
}

.cta-container {
  background: var(--color-accent-gradient);
  border-radius: var(--radius-2xl);
  padding: var(--space-4xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-container::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3Cpattern id='p' width='60' height='60' patternUnits='userSpaceOnUse'%3E%3Ccircle cx='30' cy='30' r='1.5' fill='rgba(255,255,255,0.1)'/%3E%3C/pattern%3E%3C/defs%3E%3Crect fill='url(%23p)' width='60' height='60'/%3E%3C/svg%3E");
  opacity: 0.5;
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.cta-text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

.btn-white {
  background: white;
  color: var(--color-accent-primary);
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* ---- Footer ---- */
.footer {
  padding: var(--space-4xl) 0 var(--space-xl);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .nav-logo {
  margin-bottom: var(--space-lg);
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.social-links {
  display: flex;
  gap: var(--space-md);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--color-accent-primary);
  color: white;
  border-color: var(--color-accent-primary);
  transform: translateY(-2px);
}

.footer-column h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
}

.footer-column ul li {
  margin-bottom: var(--space-sm);
}

.footer-column ul li a {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.footer-column ul li a:hover {
  color: var(--color-text-accent);
  padding-left: var(--space-sm);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-bottom-links a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-bottom-links a:hover {
  color: var(--color-text-accent);
}

/* ---- Animations ---- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }
.animate-on-scroll.delay-5 { transition-delay: 0.5s; }

/* ---- Particle Canvas ---- */
#particles-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ---- Counter Animation ---- */
.counter-value {
  display: inline-block;
}

/* ---- Scroll Progress ---- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--color-accent-gradient);
  z-index: 10000;
  transition: width 0.1s linear;
}

/* ---- Mobile Responsive ---- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    max-width: 600px;
    margin: 0 auto;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-container {
    grid-template-columns: repeat(3, 1fr);
  }

  .steps-container::before {
    display: none;
  }

  .tools-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --space-5xl: 5rem;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-2xl);
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    font-size: 1.3rem;
  }

  .mobile-menu-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav-actions .btn {
    display: none;
  }

  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero-title {
    font-size: clamp(2rem, 6vw, 3rem);
  }

  .hero-stats {
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
  }

  .hero-stat::after {
    display: none;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .steps-container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .refer-features {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .footer-bottom-links {
    justify-content: center;
  }

  .floating-card {
    display: none;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .cta-container {
    padding: var(--space-3xl) var(--space-xl);
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn-lg {
    width: 100%;
  }

  .brands-grid {
    gap: var(--space-xl);
  }

  .nav-actions .btn-ghost {
    display: none;
  }
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* ---- Selection ---- */
::selection {
  background: rgba(99, 102, 241, 0.3);
  color: white;
}