/**
 * TAXI AN GIANG 365 - DESIGN SYSTEM V2 (site-v2.css)
 * Modern, bespoke stylesheet replacing legacy Bootstrap components
 * High-contrast, clean typography, accessible touch targets
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Outfit:wght@500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --primary-50: #f0fdf4;
  --primary-100: #dcfce7;
  --primary-200: #bbf7d0;
  --primary-500: #22c55e;
  --primary-600: #16a34a;
  --primary-700: #15803d;
  --primary-800: #166534;
  --primary-900: #14532d;
  
  --secondary-500: #0ea5e9;
  --secondary-600: #0284c7;
  --zalo-color: #0068ff;
  --zalo-hover: #0054d1;
  
  --dark-950: #020617;
  --dark-900: #0f172a;
  --dark-800: #1e293b;
  --dark-700: #334155;
  --dark-600: #475569;
  --dark-500: #64748b;
  --dark-400: #94a3b8;
  --dark-200: #e2e8f0;
  --dark-100: #f1f5f9;
  --dark-50: #f8fafc;
  
  --danger-500: #ef4444;
  --danger-600: #dc2626;
  --warning-500: #f59e0b;
  --warning-600: #d97706;
  
  /* Elevation & Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-2xl: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
  --shadow-glow: 0 0 25px rgba(22, 163, 74, 0.25);
  
  /* Typography */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 9999px;
  
  /* Layout */
  --container-max: 1280px;
  --mobile-bar-height: 64px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  font-family: var(--font-sans);
  color: var(--dark-800);
  background-color: #ffffff;
  line-height: 1.6;
  font-size: 15px;
  padding-bottom: var(--mobile-bar-height);
  position: relative;
  overflow-x: hidden;
}

@media (min-width: 769px) {
  body {
    padding-bottom: 0;
  }
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
  background: none;
}

/* Layout Container */
.v2-container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

@media (min-width: 768px) {
  .v2-container {
    padding-left: 32px;
    padding-right: 32px;
  }
}

/* Typography Utilities */
.v2-title-display {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--dark-950);
}

.v2-gradient-text {
  background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.v2-gradient-text-gold {
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Badge Styles */
.v2-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.v2-badge-primary {
  background: rgba(22, 163, 74, 0.1);
  color: var(--primary-700);
  border: 1px solid rgba(22, 163, 74, 0.2);
}

.v2-badge-dark {
  background: rgba(15, 23, 42, 0.08);
  color: var(--dark-800);
  border: 1px solid rgba(15, 23, 42, 0.12);
}

.v2-badge-glass {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

/* Live Pulse Dot */
.v2-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--primary-500);
  position: relative;
  display: inline-block;
}

.v2-pulse-dot::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 50%;
  background-color: var(--primary-500);
  opacity: 0.6;
  animation: v2Pulse 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes v2Pulse {
  0% { transform: scale(1); opacity: 0.75; }
  50% { transform: scale(2.2); opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}

/* Button System V2 */
.v2-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 14.5px;
  line-height: 1.2;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.v2-btn:active {
  transform: scale(0.98);
}

.v2-btn-primary {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(22, 163, 74, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.v2-btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.45);
  transform: translateY(-1px);
}

.v2-btn-zalo {
  background: var(--zalo-color);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(0, 104, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.v2-btn-zalo:hover {
  background: var(--zalo-hover);
  box-shadow: 0 6px 20px rgba(0, 104, 255, 0.4);
  transform: translateY(-1px);
}

.v2-btn-outline {
  background: transparent;
  color: var(--dark-800);
  border: 1.5px solid var(--dark-200);
}

.v2-btn-outline:hover {
  border-color: var(--primary-600);
  color: var(--primary-700);
  background: var(--primary-50);
}

.v2-btn-white {
  background: #ffffff;
  color: var(--dark-950) !important;
  box-shadow: var(--shadow-md);
}

.v2-btn-white:hover {
  background: var(--dark-50);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.v2-btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  gap: 6px;
}

.v2-btn-lg {
  padding: 16px 32px;
  font-size: 16px;
  gap: 12px;
}

/* Glassmorphism Panel */
.v2-glass-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.v2-dark-card {
  background: var(--dark-900);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  color: #ffffff;
}

/* Section Header Styles */
.v2-section-head {
  text-align: center;
  margin-bottom: 48px;
}

.v2-section-head .v2-badge {
  margin-bottom: 12px;
}

.v2-section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  color: var(--dark-950);
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.v2-section-subtitle {
  font-size: 15.5px;
  color: var(--dark-500);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Utility Grid */
.v2-grid {
  display: grid;
  gap: 24px;
}

/* Modal V2 Styling */
.v2-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.v2-modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.v2-modal-dialog {
  background: #ffffff;
  width: 100%;
  max-width: 780px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  transform: translateY(20px) scale(0.98);
  transition: all var(--transition-smooth);
}

.v2-modal-backdrop.is-open .v2-modal-dialog {
  transform: translateY(0) scale(1);
}

.v2-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: var(--dark-900);
  color: #ffffff;
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
}

.v2-modal-body {
  padding: 24px;
}

.v2-modal-footer {
  padding: 16px 24px;
  background: var(--dark-50);
  border-top: 1px solid var(--dark-200);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  border-bottom-left-radius: var(--radius-xl);
  border-bottom-right-radius: var(--radius-xl);
}