/* =========================================================================
   پیام‌بر — Premium Landing Page Styles
   World-class UI/UX with advanced animations and responsive design
   ========================================================================= */

/* ─── CSS Custom Properties ─────────────────────────────────────────────── */
:root {
  --landing-bg: #070b16;
  --landing-bg-soft: #0c1220;
  --landing-surface: rgba(255, 255, 255, 0.035);
  --landing-surface-strong: rgba(255, 255, 255, 0.06);
  --landing-surface-elevated: rgba(255, 255, 255, 0.09);
  --landing-border: rgba(148, 163, 184, 0.14);
  --landing-border-strong: rgba(148, 163, 184, 0.28);
  --landing-text-primary: #e6ebf5;
  --landing-text-secondary: #94a3b8;
  --landing-text-tertiary: #64748b;
  --landing-cyan: #22d3ee;
  --landing-indigo: #6366f1;
  --landing-violet: #a78bfa;
  --landing-green: #34d399;
  --landing-gold: #ffb800;
  --landing-orange: #fb923c;
  --landing-red: #fb6a7a;
  --landing-success: #34d399;
  --landing-gradient-primary: linear-gradient(135deg, var(--landing-cyan) 0%, var(--landing-indigo) 100%);
  --landing-gradient-violet-cyan: linear-gradient(135deg, var(--landing-violet) 0%, var(--landing-cyan) 100%);
  --landing-gradient-green-cyan: linear-gradient(135deg, var(--landing-green) 0%, var(--landing-cyan) 100%);
  --landing-radius-sm: 12px;
  --landing-radius-md: 18px;
  --landing-radius-lg: 24px;
  --landing-radius-xl: 32px;
  --landing-radius-full: 999px;
  --landing-shadow-sm: 0 4px 8px -4px rgba(0, 0, 0, 0.4);
  --landing-shadow-md: 0 12px 24px -12px rgba(0, 0, 0, 0.5);
  --landing-shadow-lg: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
  --landing-shadow-xl: 0 32px 64px -24px rgba(0, 0, 0, 0.7);
  --landing-glow-cyan: 0 0 24px rgba(34, 211, 238, 0.35), 0 0 48px rgba(34, 211, 238, 0.15);
  --landing-glow-violet: 0 0 24px rgba(167, 139, 250, 0.35), 0 0 48px rgba(167, 139, 250, 0.15);
  --landing-transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --landing-transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --landing-transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --landing-transition-bounce: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: 'Vazirmatn', 'Segoe UI', Tahoma, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--landing-text-primary);
  background-color: var(--landing-bg);
  background-image:
    linear-gradient(45deg, rgba(148,163,184,0.03) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(148,163,184,0.03) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(148,163,184,0.03) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(148,163,184,0.03) 75%);
  background-size: 40px 40px;
  background-position: 0 0, 0 20px, 20px -20px, -20px 0px;
  overflow-x: hidden;
  min-height: 100vh;
  text-align: right;
}

/* ─── Animated Background ───────────────────────────────────────────────── */
.landing-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.landing-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  animation: orbFloat 25s ease-in-out infinite;
}

.landing-bg-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.4) 0%, transparent 70%);
  top: -15%;
  right: -10%;
  animation-delay: 0s;
}

.landing-bg-orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.35) 0%, transparent 70%);
  bottom: -15%;
  left: -10%;
  animation-delay: -8s;
}

.landing-bg-orb-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.3) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -16s;
}

.landing-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -40px) scale(1.1); }
  66% { transform: translate(-30px, 30px) scale(0.9); }
}

/* ─── Navigation ────────────────────────────────────────────────────────── */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 5%;
  background: rgba(7, 11, 22, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--landing-border);
  transition: all var(--landing-transition-normal);
}

.landing-nav.scrolled {
  padding: 12px 5%;
  box-shadow: var(--landing-shadow-lg);
}

.landing-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--landing-text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: all var(--landing-transition-fast);
}

.landing-brand:hover {
  color: var(--landing-cyan);
}

.landing-brand-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--landing-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--landing-gradient-primary);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.08), var(--landing-glow-cyan);
  font-size: 1.2rem;
}

.landing-nav-cta {
  padding: 10px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--landing-radius-full);
  background: var(--landing-gradient-primary);
  color: var(--landing-text-primary);
  text-decoration: none;
  transition: all var(--landing-transition-bounce);
  box-shadow: 0 8px 20px -8px rgba(34, 211, 238, 0.5);
}

.landing-nav-cta:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 12px 28px -8px rgba(34, 211, 238, 0.7);
  color: var(--landing-text-primary);
}

/* Mobile Nav Toggle */
.landing-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

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

.landing-nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (max-width: 768px) {
  .landing-nav-toggle {
    display: flex;
  }

  .landing-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 5%;
    right: 5%;
    flex-direction: column;
    background: var(--landing-bg-soft);
    border: 1px solid var(--landing-border);
    border-radius: var(--landing-radius-lg);
    padding: 16px;
    margin-top: 8px;
    box-shadow: var(--landing-shadow-xl);
  }

  .landing-nav-links.open {
    display: flex;
  }

  .landing-nav-cta {
    width: 100%;
    text-align: center;
  }
}

/* ─── Hero Section ──────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 5% 80px;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  background: var(--landing-surface-strong);
  border: 1px solid var(--landing-border);
  border-radius: var(--landing-radius-full);
  font-size: 0.9rem;
  color: var(--landing-text-secondary);
  margin-bottom: 32px;
  animation: fadeInUp 0.8s ease-out;
  backdrop-filter: blur(10px);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--landing-success);
  box-shadow: 0 0 12px var(--landing-success);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-title-line {
  display: block;
}

.hero-title-gradient {
  background: linear-gradient(135deg, var(--landing-cyan) 0%, var(--landing-indigo) 50%, var(--landing-violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--landing-text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-btn {
  padding: 16px 36px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--landing-radius-full);
  transition: all var(--landing-transition-bounce);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  position: relative;
  overflow: hidden;
}

.hero-btn-primary {
  background: var(--landing-gradient-primary);
  color: var(--landing-text-primary);
  box-shadow: 0 8px 24px -8px rgba(34, 211, 238, 0.5);
  border: 1px solid transparent;
}

.hero-btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 16px 32px -8px rgba(34, 211, 238, 0.7);
  color: var(--landing-text-primary);
}

.hero-btn-secondary {
  background: var(--landing-surface-strong);
  color: var(--landing-text-primary);
  border: 1px solid var(--landing-border);
  backdrop-filter: blur(10px);
}

.hero-btn-secondary:hover {
  background: var(--landing-surface-elevated);
  border-color: var(--landing-cyan);
  transform: translateY(-3px);
  color: var(--landing-text-primary);
}

/* Platform Bridge */
.platform-bridge {
  margin-top: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.platform-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 18px 24px;
  background: var(--landing-surface);
  border: 1px solid var(--landing-border);
  border-radius: var(--landing-radius-lg);
  transition: all var(--landing-transition-bounce);
  min-width: 100px;
  backdrop-filter: blur(10px);
}

.platform-node:hover {
  border-color: var(--landing-border-strong);
  transform: translateY(-4px);
  box-shadow: var(--landing-shadow-md);
}

.platform-node-highlight {
  border-color: var(--landing-cyan);
  background: rgba(34, 211, 238, 0.05);
  box-shadow: var(--landing-glow-cyan);
}

.platform-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--landing-radius-sm);
  object-fit: contain;
  transition: transform var(--landing-transition-bounce);
}

.platform-node:hover .platform-icon {
  transform: scale(1.1);
}

.platform-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--landing-text-secondary);
}

.platform-connector {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--landing-border), var(--landing-cyan), var(--landing-border));
  position: relative;
  flex-shrink: 0;
  display: none;
}

.platform-connector::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--landing-cyan);
  box-shadow: 0 0 10px var(--landing-cyan);
  animation: slideDot 2s linear infinite;
}

.platform-connector:nth-child(2)::after { animation-delay: 0s; }
.platform-connector:nth-child(4)::after { animation-delay: 0.5s; }
.platform-connector:nth-child(6)::after { animation-delay: 1s; }
.platform-connector:nth-child(8)::after { animation-delay: 1.5s; }

@keyframes slideDot {
  0% { left: -6px; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { left: calc(100% + 6px); opacity: 0; }
}

/* ─── Section Common ────────────────────────────────────────────────────── */
.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-badge {
  display: inline-block;
  padding: 8px 20px;
  background: var(--landing-surface-strong);
  border: 1px solid var(--landing-border);
  border-radius: var(--landing-radius-full);
  font-size: 0.85rem;
  color: var(--landing-text-secondary);
  margin-bottom: 20px;
  backdrop-filter: blur(10px);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 900;
  margin-bottom: 16px;
  line-height: 1.2;
  text-align: center;
}

.section-header-right {
  text-align: right;
}

.section-header-right .section-title {
  text-align: right;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--landing-text-secondary);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ─── Quota Section ─────────────────────────────────────────────────────── */
.quota-section {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
  border-top: 1px solid var(--landing-border);
  border-bottom: 1px solid var(--landing-border);
}

.quota-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.quota-card {
  position: relative;
  background: var(--landing-surface);
  border: 1px solid var(--landing-border);
  border-radius: var(--landing-radius-xl);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--landing-transition-bounce);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.quota-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--landing-gradient-primary);
  border-radius: var(--landing-radius-xl) var(--landing-radius-xl) 0 0;
}

.quota-card:hover {
  transform: translateY(-8px);
  border-color: var(--landing-border-strong);
  box-shadow: var(--landing-shadow-xl);
}

.quota-card-featured {
  border-color: var(--landing-violet);
  background: linear-gradient(160deg, rgba(124, 92, 252, 0.1) 0%, var(--landing-surface) 100%);
  box-shadow: 0 0 80px rgba(124, 92, 252, 0.15);
}

.quota-card-featured::before {
  background: var(--landing-gradient-violet-cyan);
}

.quota-icon {
  font-size: 2.8rem;
  margin-bottom: 20px;
  display: block;
  animation: float 3s ease-in-out infinite;
}

.quota-card:nth-child(2) .quota-icon {
  animation-delay: 0.5s;
}

.quota-card:nth-child(3) .quota-icon {
  animation-delay: 1s;
}

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

.quota-value {
  font-size: 3.5rem;
  font-weight: 900;
  background: var(--landing-gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
  line-height: 1;
}

.quota-value-featured {
  background: var(--landing-gradient-green-cyan);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.quota-label {
  font-size: 0.8rem;
  color: var(--landing-text-tertiary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.quota-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.quota-desc {
  font-size: 0.9rem;
  color: var(--landing-text-secondary);
  line-height: 1.7;
}

/* ─── Features Section ──────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  position: relative;
  background: var(--landing-surface);
  border: 1px solid var(--landing-border);
  border-radius: var(--landing-radius-lg);
  padding: 32px;
  transition: all var(--landing-transition-bounce);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--feature-accent, var(--landing-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  border-color: var(--landing-border-strong);
  transform: translateY(-6px);
  box-shadow: var(--landing-shadow-xl);
}

.feature-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--landing-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
  background: var(--feature-accent-bg, rgba(34, 211, 238, 0.1));
  border: 1px solid var(--feature-accent-border, rgba(34, 211, 238, 0.2));
  transition: all var(--landing-transition-bounce);
}

.feature-card:hover .feature-card-icon {
  transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--landing-text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* ─── All Features Section ──────────────────────────────────────────────── */
.all-features-section {
  background: var(--landing-bg-soft);
  border-top: 1px solid var(--landing-border);
  border-bottom: 1px solid var(--landing-border);
}

.feature-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-group {
  background: var(--landing-surface);
  border: 1px solid var(--landing-border);
  border-radius: var(--landing-radius-lg);
  padding: 28px;
  transition: all var(--landing-transition-normal);
  backdrop-filter: blur(10px);
}

.feature-group:hover {
  border-color: var(--landing-border-strong);
  box-shadow: var(--landing-shadow-lg);
  transform: translateY(-4px);
}

.feature-group-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--landing-border);
}

.feature-group-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--landing-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.feature-group h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.85rem;
}

.feature-check {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.feature-list-item strong {
  display: block;
  font-weight: 700;
  margin-bottom: 3px;
  font-size: 0.85rem;
}

.feature-list-item span {
  color: var(--landing-text-secondary);
  font-size: 0.8rem;
  line-height: 1.6;
}

/* ─── Stats Section ─────────────────────────────────────────────────────── */
.stats-bar {
  display: flex;
  max-width: 1000px;
  margin: 0 auto;
  background: var(--landing-surface);
  border: 1px solid var(--landing-border);
  border-radius: var(--landing-radius-xl);
  overflow: hidden;
  backdrop-filter: blur(10px);
  box-shadow: var(--landing-shadow-md);
}

.stat-item {
  flex: 1;
  text-align: center;
  padding: 32px 20px;
  border-inline-end: 1px solid var(--landing-border);
  transition: all var(--landing-transition-normal);
}

.stat-item:last-child {
  border-inline-end: none;
}

.stat-item:hover {
  background: var(--landing-surface-strong);
}

.stat-value-large {
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--landing-gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 6px;
  line-height: 1.2;
}

.stat-label-small {
  font-size: 0.8rem;
  color: var(--landing-text-secondary);
  margin-top: 6px;
}

/* ─── Steps Section ─────────────────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

.step-card {
  position: relative;
  background: var(--landing-surface);
  border: 1px solid var(--landing-border);
  border-radius: var(--landing-radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--landing-transition-bounce);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.step-card:hover {
  border-color: var(--landing-border-strong);
  transform: translateY(-6px);
  box-shadow: var(--landing-shadow-xl);
}

.step-number {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 5rem;
  font-weight: 900;
  opacity: 0.18;
  line-height: 1;
  background: var(--landing-gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.step-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  display: block;
  animation: float 3s ease-in-out infinite;
}

.step-card:nth-child(2) .step-icon {
  animation-delay: 0.5s;
}

.step-card:nth-child(3) .step-icon {
  animation-delay: 1s;
}

.step-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--landing-text-secondary);
  line-height: 1.7;
}

/* ─── Referral Section ──────────────────────────────────────────────────── */
.referral-card {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.08) 0%, rgba(124, 92, 252, 0.08) 100%);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: var(--landing-radius-xl);
  padding: 56px 32px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.referral-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(52, 211, 153, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.referral-value {
  font-size: 4rem;
  font-weight: 900;
  background: var(--landing-gradient-green-cyan);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 12px;
  position: relative;
  animation: float 3s ease-in-out infinite;
}

.referral-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
}

.referral-desc {
  color: var(--landing-text-secondary);
  max-width: 500px;
  margin: 0 auto 28px;
  font-size: 1rem;
  line-height: 1.8;
  position: relative;
}

.referral-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 32px;
  position: relative;
}

.referral-badge {
  padding: 8px 18px;
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: var(--landing-radius-full);
  font-size: 0.85rem;
  color: var(--landing-green);
  font-weight: 600;
}

/* ─── CTA Section ───────────────────────────────────────────────────────── */
.cta-section {
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0;
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(124, 92, 252, 0.2) 0%, transparent 70%);
  pointer-events: none;
  animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

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

.cta-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  margin-bottom: 20px;
  line-height: 1.2;
}

.cta-desc {
  color: var(--landing-text-secondary);
  max-width: 500px;
  margin: 0 auto 36px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.cta-btn {
  padding: 18px 40px;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: var(--landing-radius-full);
  background: var(--landing-gradient-primary);
  color: var(--landing-text-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: all var(--landing-transition-bounce);
  box-shadow: 0 12px 32px -8px rgba(34, 211, 238, 0.6);
  border: 1px solid transparent;
}

.cta-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 20px 40px -8px rgba(34, 211, 238, 0.8);
  color: var(--landing-text-primary);
}

/* ─── Footer ────────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--landing-border);
  padding: 40px 5% 32px;
  color: var(--landing-text-tertiary);
  font-size: 0.85rem;
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, transparent 0%, rgba(34, 211, 238, 0.02) 100%);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--landing-text-primary);
  text-decoration: none;
  font-size: 0.95rem;
}

.footer-brand:hover {
  color: var(--landing-cyan);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--landing-text-secondary);
  text-decoration: none;
  transition: color var(--landing-transition-fast);
  font-size: 0.85rem;
}

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

.footer-divider {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--landing-border);
}

.footer-copy {
  text-align: center;
  width: 100%;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--landing-border);
  color: var(--landing-text-tertiary);
  font-size: 0.8rem;
}

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

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

/* Scroll Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

/* ─── Responsive Design ─────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .platform-bridge {
    flex-wrap: wrap;
    gap: 12px;
  }

  .platform-connector {
    display: none;
  }

  .platform-node {
    min-width: 80px;
    padding: 14px 18px;
  }

  .stats-bar {
    flex-wrap: wrap;
  }

  .stat-item {
    flex: 0 0 50%;
    border-inline-end: none;
    border-bottom: 1px solid var(--landing-border);
  }

  .stat-item:nth-child(odd) {
    border-inline-end: 1px solid var(--landing-border);
  }

  .stat-item:nth-child(3),
  .stat-item:nth-child(4) {
    border-bottom: none;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 100px 5% 60px;
    min-height: auto;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-btn {
    width: 100%;
    max-width: 320px;
    justify-content: center;
    min-height: 44px;
  }

  .section {
    padding: 70px 0;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .quota-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .feature-groups {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .stats-bar {
    flex-direction: column;
  }

  .stat-item {
    flex: 1;
    border-inline-end: none;
    border-bottom: 1px solid var(--landing-border);
    padding: 24px;
    min-height: 80px;
  }

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

  .referral-card {
    padding: 40px 24px;
  }

  .referral-value {
    font-size: 3rem;
  }

  .referral-title {
    font-size: 1.3rem;
  }

  .cta-section {
    padding: 80px 0;
  }

  .cta-title {
    font-size: 1.6rem;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

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

@media (max-width: 480px) {
  .hero {
    padding: 80px 4% 50px;
  }

  .hero-title {
    font-size: 1.9rem;
  }

  .hero-badge {
    font-size: 0.8rem;
    padding: 8px 16px;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .quota-card {
    padding: 28px 20px;
  }

  .quota-value {
    font-size: 2.8rem;
  }

  .feature-card {
    padding: 24px;
  }

  .step-card {
    padding: 28px 20px;
  }

  .step-number {
    font-size: 3.5rem;
  }

  .referral-value {
    font-size: 2.5rem;
  }

  .referral-badges {
    gap: 8px;
  }

  .referral-badge {
    font-size: 0.8rem;
    padding: 6px 14px;
  }
}

/* ─── Utility Classes ───────────────────────────────────────────────────── */
.text-gradient {
  background: var(--landing-gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.glass {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

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

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.35);
  border-radius: 4px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--landing-text-tertiary);
  background-clip: padding-box;
}

/* ─── Selection ─────────────────────────────────────────────────────────── */
::selection {
  background: rgba(34, 211, 238, 0.3);
  color: var(--landing-text-primary);
}