/* Fixed CSS Animation Code */

* {
    font-family: 'Poppins', sans-serif;
}

/* Background Gradients */
.gradient-bg {
    background: linear-gradient(135deg, #000000 0%, #1F1F1F 50%, #000000 100%);
}

.hero-gradient {
    background: linear-gradient(135deg, #000000 0%, rgba(255, 103, 13, 0.6) 100%);
    background-size: 400% 400%;
}


/* ============================================
   ANIMATION KEYFRAMES
   ============================================ */

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

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes glowPulse {
    0%, 100% { text-shadow: 0 0 10px rgba(255, 165, 0, 0.7); }
    50% { text-shadow: 0 0 20px rgba(255, 165, 0, 1); }
}

/* ============================================
   ANIMATION CLASSES
   ============================================ */

/* Fade Animations */
.animate-fade-in {
    animation: fadeIn 0.8s ease-out both;
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out both;
}

.animate-fade-in-scale {
    animation: fadeInScale 0.8s ease-out both;
}

/* Slide Animations */
.animate-slide-in-left {
    animation: slideInLeft 0.8s ease-out both;
}

.animate-slide-in-right {
    animation: slideInRight 0.8s ease-out both;
}

.animate-slide-up {
    animation: fadeInUp 1s ease-out both;
}

/* ============================================
   ANIMATION DELAYS
   ============================================ */

.animate-delay-100 {
    animation-delay: 0.1s;
}

.animate-delay-200 {
    animation-delay: 0.2s;
}

.animate-delay-300 {
    animation-delay: 0.3s;
}

.animate-delay-400 {
    animation-delay: 0.4s;
}

.animate-delay-500 {
    animation-delay: 0.5s;
}

.animate-delay-600 {
    animation-delay: 0.6s;
}

.animate-delay-700 {
    animation-delay: 0.7s;
}

.animate-delay-800 {
    animation-delay: 0.8s;
}

/* ============================================
   COMPONENT STYLES
   ============================================ */

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, #FF670D 0%, #E55D0C 100%);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 103, 13, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 103, 13, 0.4);
}

.btn-secondary {
    border: 2px solid #FF670D;
    color: #FF670D;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: #FF670D;
    color: #000000;
    transform: translateY(-2px);
}

/* Card Hover Effects */
.card-hover {
    transition: all 0.4s ease;
    border: 1px solid #1F1F1F;
}

.card-hover:hover {
    transform: scale(1.1) translateY(-10px);
    border-color: #FF670D;
    box-shadow: 0 20px 40px rgba(255, 103, 13, 0.2);
}

/* Text Effects */
.text-glow {
    text-shadow: 0 0 20px rgba(255, 103, 13, 0.5);
    animation: glowPulse 2s infinite;
}

.stats-counter {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, #FF670D 0%, #EFEFEF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Section Titles */
.section-title {
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #FF670D 0%, #E55D0C 100%);
    border-radius: 2px;
}

/* Mobile Menu */
.mobile-menu {
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-menu.active {
    transform: translateX(0);
}

/* Testimonial Cards */
.testimonial-card {
    background: linear-gradient(135deg, #1F1F1F 0%, #333333 100%);
}

/* Language Toggle Styles */
.language-toggle {
    position: relative;
}

.language-toggle:focus {
    outline: 2px solid #FF670D;
    outline-offset: 2px;
}

.language-toggle:hover {
    transform: translateY(-1px);
}

/* Flag Icon Styles */
.language-toggle i {
    font-size: 16px;
    transition: all 0.3s ease;
}

.language-toggle:hover i {
    transform: scale(1.1);
}

/* Mobile flag styles */
#mobileLanguageFlag {
    font-size: 16px;
    transition: all 0.3s ease;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .stats-counter {
        font-size: 2rem;
    }
    
    .hero-gradient h1 {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 640px) {
    .hero-gradient h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .btn-primary, .btn-secondary {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

/* ============================================
   ACCESSIBILITY & PERFORMANCE
   ============================================ */

/* Focus States for Accessibility */
input:focus, button:focus {
    outline: 2px solid #FF670D;
    outline-offset: 2px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

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

::-webkit-scrollbar-track {
    background: #1F1F1F;
}

::-webkit-scrollbar-thumb {
    background: #FF670D;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #E55D0C;
}

/* Accessibility improvements - Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .animate-fade-in,
  .animate-fade-in-up,
  .animate-fade-in-scale,
  .animate-slide-in-left,
  .animate-slide-in-right,
  .animate-slide-up {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .hero-gradient { animation: none; }
  .text-glow { animation: none; }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-primary {
        border: 2px solid #FFFFFF;
    }
    
    .card-hover {
        border: 2px solid #FF670D;
    }
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Error states */
.error {
    border-color: #FF4444 !important;
    box-shadow: 0 0 0 2px rgba(255, 68, 68, 0.2);
}

/* Success states */
.success {
    border-color: #44FF44 !important;
    box-shadow: 0 0 0 2px rgba(255, 68, 68, 0.2);
}

/* ======================================================================
   PAGE RELOAD / REVEAL ANIMATION
   ====================================================================== */

/* Full-screen overlay that plays on every load or bfcache restore */
.page-reveal {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(1200px 800px at 50% 50%, rgba(255,103,13,0.18), rgba(0,0,0,0.0) 70%),
              linear-gradient(135deg, rgba(255,103,13,0.25), rgba(0,0,0,0) 60%);
  opacity: 0;
  z-index: 9999;
}

/* Keyframes for a quick “flash + fade” reveal */
@keyframes pageRevealFade {
  0%   { opacity: 0; }
  10%  { opacity: 1; }
  100% { opacity: 0; }
}

/* When active, run the reveal once */
.page-reveal.active {
  animation: pageRevealFade 700ms ease-out forwards;
}

/* Optional: subtle body fade each time (kept very fast) */
@keyframes bodyQuickIn {
  from { opacity: 0.001; }
  to   { opacity: 1; }
}
.body-reveal {
  animation: bodyQuickIn 240ms ease-out both;
}

.bg-vgu-surface { background-color: var(--vgu-surface); }
.bg-vgu-black { background-color: var(--vgu-black); }
.text-vgu-text { color: var(--vgu-text); }
.text-vgu-muted { color: var(--vgu-muted); }
.text-vgu-black { color: var(--vgu-black); }

/* Video Modal Styles */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
    opacity: 0;
    visibility: hidden;
}

.video-modal.show {
    display: flex;
    opacity: 1;
    visibility: visible;
    animation: fadeIn 0.3s ease-out;
}

.video-container {
    position: relative;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    max-width: 90vw;
    max-height: 90vh;
    animation: slideIn 0.3s ease-out;
}

.close-button {
    position: absolute;
    top: 0px;
    right: 0px;
    width: 40px;
    height: 40px;
    background: #ff4444;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 4px 15px rgba(255, 68, 68, 0.4);
}

.close-button:hover {
    background: #ff2222;
    transform: scale(1.1);
}

.demo-video {
    width: 100%;
    height: auto;
    display: block;
    min-width: 320px;
    min-height: 240px;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { 
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    to { 
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Responsive video sizing */
@media (min-width: 768px) {
    .demo-video {
        width: 800px;
        height: 450px;
    }
}

@media (max-width: 767px) {
    .demo-video {
        width: 100%;
        max-width: 400px;
        height: auto;
    }
    
    .video-container {
        margin: 20px;
    }
}

/* Button styles */
.btn-primary, .btn-secondary {
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 165, 0, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* Featured Events Title */

.featured-events-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #FF670D 0%, #E55D0C 100%);
    border-radius: 2px;
    transition: width 0.3s ease-in-out;
}

.featured-events-title:hover::after {
    width: 400px;
}

/* ====== Community Testimonials (Marquee version) ====== */

/* Dùng chung gap để JS đọc được */
.testimonial-wrapper {
  --gap: 20px;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.testimonial-track {
  display: flex;
  gap: var(--gap);
  will-change: transform;
  /* TẮT animation CSS nếu trước đó có bật */
  animation: none !important;
}

/* Base card */
.testimonial-card {
  background: #1f1f1f;
  color: #fff;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
  flex: 0 0 100%; /* Mobile: 1 card */
}

/* Tablet: 2 cards */
@media (min-width: 640px) {
  .testimonial-card {
    flex: 0 0 calc(50% - var(--gap));
  }
}

/* Desktop: 3 cards */
@media (min-width: 1024px) {
  .testimonial-card {
    flex: 0 0 calc(33.333% - var(--gap));
  }
}

/* Hover: dừng (JS sẽ đọc trạng thái này) */
.testimonial-wrapper:hover .testimonial-track {
  /* Không cần set CSS gì thêm, JS sẽ pause khi hover wrapper */
}