/* ==========================================================================
   FastData — Landing Page Stylesheet
   ========================================================================== */

:root {
  /* Color Palettes — Dark Mode (Default) */
  --bg-primary: #0A0F1D;
  --bg-secondary: #121829;
  --bg-tertiary: #1B233D;
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  --primary: #3B82F6;
  --primary-glow: rgba(59, 130, 246, 0.35);
  --primary-gradient: linear-gradient(135deg, #3B82F6 0%, #1D4ED8 100%);
  --success: #22C55E;
  --success-bg: rgba(34, 197, 94, 0.12);
  --error: #EF4444;
  --warning: #F59E0B;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.04);
  --glass-bg: rgba(18, 24, 41, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  
  /* Dimensions & Spacing */
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Font styling */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Animations */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

/* Light Theme Variables */
html[data-theme="light"] {
  --bg-primary: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F1F5F9;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  
  --primary: #2563EB;
  --primary-glow: rgba(37, 99, 235, 0.15);
  --primary-gradient: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  
  --border-color: rgba(0, 0, 0, 0.08);
  --border-light: rgba(0, 0, 0, 0.04);
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(0, 0, 0, 0.06);
}

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

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

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

a {
  color: inherit;
  text-decoration: none;
}

/* ---------- Layout Elements ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
  z-index: 10;
}

.section-alt {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

/* ---------- Decorative Orbs ---------- */
.orb {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(120px);
  z-index: 0;
  pointer-events: none;
  opacity: 0.15;
  transition: opacity var(--transition-smooth);
}

html[data-theme="light"] .orb {
  opacity: 0.06;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: var(--primary);
  top: -100px;
  right: -50px;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: #A855F7;
  top: 600px;
  left: -200px;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: var(--success);
  bottom: 200px;
  right: -100px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition-fast);
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--primary-gradient);
  color: #FFFFFF;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--primary-glow);
}

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

.btn-glow {
  position: relative;
}

.btn-glow::after {
  content: '';
  position: absolute;
  inset: -2px;
  background: var(--primary-gradient);
  border-radius: calc(var(--radius-md) + 2px);
  z-index: -1;
  opacity: 0;
  transition: var(--transition-fast);
  filter: blur(8px);
}

.btn-glow:hover::after {
  opacity: 0.6;
}

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

.btn-outline:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--text-secondary);
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}

/* ---------- Header / Navigation ---------- */
.header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

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

.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  height: 36px;
  width: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.fallback-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--primary-gradient);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.brand-name span {
  color: var(--primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  position: relative;
  padding: 4px 0;
}

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

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  border: 1px solid var(--border-color);
}

.theme-toggle:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Toggle icons hiding based on theme setting */
html[data-theme="dark"] .sun-icon { display: block; }
html[data-theme="dark"] .moon-icon { display: none; }
html[data-theme="light"] .sun-icon { display: none; }
html[data-theme="light"] .moon-icon { display: block; }

.menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

/* ---------- Hero Section ---------- */
.hero {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 80px;
  overflow: hidden;
  position: relative;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 60px;
}

.badge-promo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-tertiary);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--success);
  border-radius: 50%;
  animation: pulse 1.8s infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(120deg, var(--primary) 20%, #A855F7 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  color: var(--text-secondary);
  font-size: 1.15rem;
  line-height: 1.6;
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  border-top: 1px solid var(--border-color);
  padding-top: 32px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- Phone Mockup Simulator ---------- */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-visual::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 60%);
  z-index: 1;
}

.phone-mockup {
  width: 320px;
  height: 640px;
  background-color: #0F172A;
  border-radius: 40px;
  border: 12px solid #1E293B;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 0 4px #334155;
  position: relative;
  z-index: 2;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.phone-speaker {
  width: 120px;
  height: 24px;
  background-color: #1E293B;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 0 0 16px 16px;
  z-index: 100;
}

.phone-speaker::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 4px;
  background-color: #475569;
  border-radius: var(--radius-full);
}

.phone-screen {
  flex: 1;
  background-color: var(--bg-primary);
  padding: 40px 16px 20px;
  overflow-y: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  color: var(--text-primary);
}

.phone-home-bar {
  width: 100px;
  height: 4px;
  background-color: #475569;
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: var(--radius-full);
  z-index: 100;
}

/* Simulated App Content */
.sim-app {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.sim-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.sim-user {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sim-avatar {
  width: 32px;
  height: 32px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 10px;
  color: #FFFFFF;
}

.sim-greeting {
  display: block;
  font-size: 11px;
  font-weight: 600;
}

.sim-subtitle {
  display: block;
  font-size: 9px;
  color: var(--text-secondary);
}

.sim-bell {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.sim-wallet {
  background: var(--primary-gradient);
  border-radius: var(--radius-md);
  padding: 16px;
  color: #FFFFFF;
  margin-bottom: 18px;
  box-shadow: 0 10px 15px -3px rgba(30, 58, 138, 0.3);
  position: relative;
}

.sim-wallet-lbl {
  font-size: 9px;
  opacity: 0.85;
}

.sim-balance {
  display: block;
  font-size: 20px;
  font-weight: 700;
  margin: 4px 0 12px;
  font-family: var(--font-display);
}

.sim-wallet-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: 9px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.sim-section-title {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.sim-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.sim-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 8px 4px;
  border-radius: var(--radius-sm);
}

.sim-action-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sim-action-icon.bg-blue { background: rgba(59, 130, 246, 0.12); }
.sim-action-icon.bg-green { background: rgba(34, 197, 94, 0.12); }
.sim-action-icon.bg-yellow { background: rgba(245, 158, 11, 0.12); }
.sim-action-icon.bg-purple { background: rgba(168, 85, 247, 0.12); }

.sim-action span {
  font-size: 8px;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
}

.sim-txns {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.sim-txn {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 6px 10px;
  border-radius: 6px;
}

.sim-txn-icon {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sim-txn-details {
  flex: 1;
}

.sim-txn-title {
  display: block;
  font-size: 9px;
  font-weight: 600;
}

.sim-txn-date {
  display: block;
  font-size: 7px;
  color: var(--text-muted);
}

.sim-txn-amt {
  font-size: 9px;
  font-weight: 700;
}

.status-success { color: var(--success); }

.sim-bottom-nav {
  border-top: 1px solid var(--border-color);
  margin-top: auto;
  padding-top: 10px;
  display: flex;
  justify-content: space-around;
  background-color: var(--bg-primary);
}

.sim-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--text-muted);
  font-size: 7px;
}

.sim-nav-item.active {
  color: var(--primary);
}

/* ---------- Features Grid ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.feature-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-icon.bg-blue { background: rgba(59, 130, 246, 0.12); color: #3B82F6; }
.feature-icon.bg-green { background: rgba(34, 197, 94, 0.12); color: #22C55E; }
.feature-icon.bg-yellow { background: rgba(245, 158, 11, 0.12); color: #F59E0B; }
.feature-icon.bg-purple { background: rgba(168, 85, 247, 0.12); color: #A855F7; }

.feature-icon i {
  width: 28px;
  height: 28px;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 500;
}

.feature-list i {
  color: var(--success);
  width: 16px;
  height: 16px;
}

/* ---------- Pricing Calculator Section ---------- */
.calculator-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.calc-info .section-title {
  text-align: left;
}

.calc-benefits {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 40px;
}

.calc-benefit-item {
  display: flex;
  gap: 16px;
}

.calc-benefit-icon {
  width: 48px;
  height: 48px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.calc-benefit-item h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.calc-benefit-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Calculator Card */
.calc-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.4);
}

.calc-card h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.calc-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.calc-field {
  margin-bottom: 24px;
}

.calc-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.network-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.network-tab {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 10px 4px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition-fast);
  color: var(--text-secondary);
  text-align: center;
}

.network-tab:hover {
  border-color: var(--text-secondary);
}

.network-tab.active {
  background: var(--primary-gradient);
  color: #FFFFFF;
  border-color: transparent;
}

.calc-select {
  width: 100%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 18px;
}

.calc-select:focus {
  border-color: var(--primary);
}

.price-showcase {
  display: flex;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-top: 32px;
  margin-bottom: 20px;
  align-items: center;
}

.price-column {
  flex: 1;
  text-align: center;
}

.price-lbl {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.price-val {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
}

.standard-price {
  color: var(--text-secondary);
  text-decoration: line-through;
  opacity: 0.7;
}

.price-divider {
  width: 1px;
  height: 40px;
  background-color: var(--border-color);
}

.accent-column .price-val {
  color: var(--primary);
  font-size: 1.75rem;
}

.saving-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: rgba(34, 197, 94, 0.08);
  border: 1px dashed rgba(34, 197, 94, 0.25);
  border-radius: var(--radius-sm);
  padding: 10px;
  color: var(--success);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.calc-btn {
  height: 52px;
}

/* ---------- Why Choose Us Grid ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: var(--transition-smooth);
}

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

.why-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
}

.why-icon-box i {
  width: 24px;
  height: 24px;
}

.why-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.why-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.5;
}

/* ---------- FAQs Accordion ---------- */
.faq-container {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
}

.faq-header-content .section-title {
  text-align: left;
}

.faq-support {
  margin-top: 40px;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
}

.faq-support p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.support-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  transition: var(--transition-fast);
}

.support-link:hover {
  gap: 12px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--text-muted);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 10px 20px -10px var(--primary-glow);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-toggle-icon {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(45deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  padding-bottom: 24px;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  padding: 80px 0;
  overflow: hidden;
}

.cta-container {
  max-width: 1100px;
}

.cta-inner {
  background: radial-gradient(circle at top right, #1E3A8A 0%, #0A0F1D 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: 60px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 40px;
  position: relative;
  overflow: hidden;
}

html[data-theme="light"] .cta-inner {
  background: radial-gradient(circle at top right, #EFF6FF 0%, #FFFFFF 100%);
  border-color: rgba(0, 0, 0, 0.06);
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.08);
}

.cta-left h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.cta-left p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 36px;
  max-width: 500px;
}

.cta-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.app-downloads {
  display: flex;
  gap: 12px;
}

.download-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.download-badge:hover {
  background-color: var(--bg-tertiary);
  transform: translateY(-1px);
}

.cta-right-accent {
  display: flex;
  justify-content: center;
  position: relative;
}

.cta-right-accent::before {
  content: '';
  position: absolute;
  width: 250px;
  height: 250px;
  background: var(--primary-glow);
  filter: blur(50px);
  z-index: 1;
}

.logo-shield {
  width: 140px;
  height: 140px;
  background: var(--primary-gradient);
  border-radius: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  color: #FFFFFF;
  box-shadow: 0 20px 40px -10px rgba(59, 130, 246, 0.4);
  transform: rotate(-10deg);
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}

/* ---------- Footer ---------- */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 40px;
  position: relative;
  z-index: 10;
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.footer-top {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  margin-bottom: 60px;
}

.footer-brand .logo-area {
  margin-bottom: 20px;
}

.footer-motto {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-links-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-links-group h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 2px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

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

.social-links i {
  width: 18px;
  height: 18px;
}

/* ---------- Keyframes & Animations ---------- */
@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

@keyframes float {
  0% { transform: translateY(0) rotate(-10deg); }
  50% { transform: translateY(-12px) rotate(-8deg); }
  100% { transform: translateY(0) rotate(-10deg); }
}

/* ---------- Responsive Adjustments ---------- */

@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 60px;
    text-align: center;
  }
  
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-stats {
    justify-content: center;
    width: 100%;
  }

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

  .calculator-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .calc-info {
    text-align: center;
  }
  
  .calc-info .section-title {
    text-align: center;
  }
  
  .calc-benefits {
    align-items: center;
    max-width: 500px;
    margin: 40px auto 0;
  }
  
  .calc-benefit-item {
    text-align: left;
  }

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

  .faq-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .faq-header-content {
    text-align: center;
  }
  
  .faq-header-content .section-title {
    text-align: center;
  }

  .cta-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .cta-left {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .cta-left p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .cta-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .cta-actions .btn {
    width: 100%;
    max-width: 320px;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  }
  
  .nav-menu.show {
    display: flex;
  }

  .menu-btn {
    display: flex;
  }
  
  .nav-cta {
    display: none;
  }

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-links-group {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 20px;
  }
  
  .stat-item {
    flex: 1 1 40%;
  }

  .network-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .calc-card {
    padding: 24px;
  }
}