.glass-effect {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }
        
        .glass-effect-dark {
            background: rgba(30, 64, 175, 0.9);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }
        
        .gradient-text {
            color: #1e40af !important;
            background: none !important;
            -webkit-text-fill-color: #1e40af !important;
            text-shadow: 2px 2px 4px rgba(30, 64, 175, 0.2);
        }

        
        .hover-lift {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .hover-lift:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 20px 40px rgba(30, 64, 175, 0.15);
        }
        
        .morphism {
            background: rgba(255, 255, 255, 0.9);
            box-shadow: 0 8px 32px 0 rgba(30, 64, 175, 0.1);
            backdrop-filter: blur(4px);
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.18);
        }
        
        .text-shadow {
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .hero-bg {
            background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
            background-size: 400% 400%;
            animation: gradient 15s ease infinite;
        }
        
        .floating-shapes {
            position: absolute;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: 1;
        }
        
        .shape {
            position: absolute;
            opacity: 0.1;
            animation: float 6s ease-in-out infinite;
        }
        
        .shape:nth-child(1) {
            top: 20%;
            left: 10%;
            animation-delay: 0s;
        }
        
        .shape:nth-child(2) {
            top: 60%;
            right: 10%;
            animation-delay: 2s;
        }
        
        .shape:nth-child(3) {
            bottom: 20%;
            left: 20%;
            animation-delay: 4s;
        }
        
        .parallax {
            transform: translateZ(0);
            will-change: transform;
        }
        
        .card-hover {
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 50px rgba(30, 64, 175, 0.15);
        }
        
        .glow-effect {
            position: relative;
            overflow: hidden;
        }
        
        .glow-effect::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s;
        }
        
        .glow-effect:hover::before {
            left: 100%;
        }
        
        .typing-effect {
            overflow: hidden;
            border-right: 3px solid #f59e0b;
            white-space: nowrap;
            animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
        }
        
        @keyframes typing {
            from { width: 0 }
            to { width: 100% }
        }
        
        @keyframes blink-caret {
            from, to { border-color: transparent }
            50% { border-color: #f59e0b }
        }
        
        .magnetic-button {
            transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
        }
        
        .magnetic-button:hover {
            transform: scale(1.05);
        }
        
        .tilt-card {
            transform-style: preserve-3d;
            transition: all 0.3s ease;
        }
        
        .tilt-card:hover {
            transform: rotateY(2deg) rotateX(2deg);
        }

    /* Header styles - Cập nhật */
    .header-scrolled {
        background: rgba(255, 255, 255, 0.95) !important;
        backdrop-filter: blur(20px) !important;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1) !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }

    .header-scrolled .nav-link {
        color: #1e293b !important;
    }

    .header-scrolled .nav-link:hover {
        color: #f59e0b !important;
        background: rgba(245, 158, 11, 0.1) !important;
    }

    .header-scrolled .logo-text {
        color: #1e293b !important;
    }

    .header-scrolled .logo-container {
        background: rgba(30, 64, 175, 0.1) !important;
        border-color: rgba(30, 64, 175, 0.2) !important;
    }

    .header-scrolled #mobileMenuBtn {
        color: #1e293b !important;
    }

    .header-scrolled #mobileMenuBtn:hover {
        background: rgba(30, 64, 175, 0.1) !important;
    }

    /* Header mặc định */
    #header {
        background: rgba(30, 64, 175, 0.1);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-link {
        position: relative;
        transition: all 0.3s ease;
        font-weight: 500;
    }

    .nav-underline {
        position: absolute;
        bottom: -8px;
        left: 50%;
        width: 0;
        height: 2px;
        background: linear-gradient(90deg, #f59e0b, #fbbf24);
        transition: all 0.3s ease;
        transform: translateX(-50%);
        border-radius: 1px;
    }

    .nav-link:hover .nav-underline {
        width: 80%;
    }

    /* Logo container */
    .logo-container {
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    /* Glass effect cho mobile menu */
    .glass-effect-dark {
        background: rgba(30, 64, 175, 0.95);
        backdrop-filter: blur(20px);
        border: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }

    /* Header responsive */
    @media (max-width: 1024px) {
        #header nav {
            padding: 1.5rem 1rem;
        }
    }

    @media (max-width: 640px) {
        #header nav {
            padding-top: 0.5rem !important;
            padding-bottom: 0.5rem !important;
        }
        .min-h-\[5rem\] {
            min-height: 3rem !important;
        }
        .logo-container {
            width: 3.2rem !important;
            height: 2rem !important;
        }
        .logo-container img {
            width: 2.8rem !important;
            height: 1.6rem !important;
        }
        .hero-bg h1 {
            font-size: 2rem !important;
            line-height: 1.2 !important;
        }
        .hero-bg h1 .typing-effect {
            font-size: 1.3rem !important;
        }
        .hero-bg h2 {
            font-size: 1.2rem !important;
            line-height: 1.3 !important;
        }
        #home.hero-bg {
            padding-top: 100px !important;
        }
    }

    @media (max-width: 480px) {
        .logo-container {
            width: 4rem;
            height: 2.5rem;
        }
        
        .logo-container img {
            width: 3.5rem;
            height: 2rem;
        }
    }

    /* Header scroll effect với chiều cao mới */
    .header-scrolled {
        background: rgba(255, 255, 255, 0.95) !important;
        backdrop-filter: blur(20px) !important;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1) !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }

    .header-scrolled nav {
        padding-top: 1rem !important;
        padding-bottom: 1rem !important;
    }

    .header-scrolled .min-h-\[4rem\] {
        min-height: 2.5rem !important;
    }

    #header {
        animation: headerSlideDown 0.5s ease-out;
    }

    /* Hover effect cho CTA button */
    .magnetic-button {
        position: relative;
        overflow: hidden;
    }

    .magnetic-button::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
        transition: left 0.5s;
    }

    .magnetic-button:hover::before {
        left: 100%;
    }

        .nav-link {
            position: relative;
            transition: all 0.3s ease;
        }

        .nav-underline {
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: #f59e0b;
            transition: width 0.3s ease;
        }

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

        /* Enhanced animations */
        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
        }

        @keyframes glow {
            0%, 100% { box-shadow: 0 0 20px rgba(255, 107, 53, 0.5); }
            50% { box-shadow: 0 0 40px rgba(255, 107, 53, 0.8); }
        }

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

        @keyframes pulse-ring {
            0% { transform: scale(0.33); }
            80%, 100% { opacity: 0; }
        }

        @keyframes pulse-dot {
            0% { transform: scale(0.8); }
            50% { transform: scale(1); }
            100% { transform: scale(0.8); }
        }

        .animate-float {
            animation: float 6s ease-in-out infinite;
        }

        .glow-effect {
            animation: glow 2s ease-in-out infinite alternate;
        }

        .gradient-text-working {
            background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #f59e0b 100%);
            background-size: 200% 200%;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
            animation: gradient-shift 3s ease infinite;
        }

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

        /* Fallback nếu gradient không work */
        @supports not (-webkit-background-clip: text) {
            .gradient-text-working {
                background: none;
                color: #1e40af;
                -webkit-text-fill-color: #1e40af;
            }
        }
        .glass-effect {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .pulse-ring {
            animation: pulse-ring 1.25s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
        }

        .pulse-dot {
            animation: pulse-dot 1.25s cubic-bezier(0.455, 0.03, 0.515, 0.955) -0.4s infinite;
        }

        /* Smooth transitions for all interactive elements */
        * {
            transition: all 0.3s ease;
        }

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

        ::-webkit-scrollbar-track {
            background: #f1f1f1;
        }

        ::-webkit-scrollbar-thumb {
            background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
        }

        ::-moz-selection {
            background: var(--accent-color);
            color: white;
        }

        /* Focus styles for accessibility */
        .keyboard-navigation *:focus {
            outline: 2px solid var(--accent-color) !important;
            outline-offset: 2px !important;
        }

        /* Loading states */
        .loading {
            position: relative;
            overflow: hidden;
        }

        .loading::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            animation: loading-shimmer 1.5s infinite;
        }

        @keyframes loading-shimmer {
            0% { left: -100%; }
            100% { left: 100%; }
        }

        /* Responsive design enhancements */
        @media (max-width: 768px) {
            .hero-bg {
                background-attachment: scroll;
            }
            
            .tilt-card {
                transform: none !important;
            }
            
            .magnetic-button {
                transform: none !important;
            }
        }

        /* Print styles */
        @media print {
            .no-print {
                display: none !important;
            }
            
            body {
                background: white !important;
                color: black !important;
            }
        }

        /* High contrast mode support */
        @media (prefers-contrast: high) {
            .glass-effect {
                background: rgba(255, 255, 255, 0.9);
                border: 2px solid #000;
            }
        }

        /* Reduced motion support */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* Dark mode support (future enhancement) */
        @media (prefers-color-scheme: dark) {
            :root {
                --text-primary: #ffffff;
                --text-secondary: #e5e7eb;
                --bg-primary: #1f2937;
                --bg-secondary: #111827;
            }
        }
/* Simple fix - thêm vào cuối file */
#header * {
    transform: none !important;
}

#header .magnetic-button:hover {
    transform: scale(1.05) !important;
}

#header .logo-container:hover {
    transform: scale(1.05) !important;
}

#header #mobileMenuBtn:hover {
    transform: scale(1.1) !important;
}

        
/* Thêm vào cuối file style.css */

/* Modal styles */
#fullImageModal {
    backdrop-filter: blur(10px);
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

#fullImage {
    transition: all 0.3s ease;
    cursor: zoom-in;
    max-width: none;
    max-height: none;
}

#fullImage:hover {
    filter: brightness(1.05);
}

/* Loading effect cho ảnh */
.image-loading {
    position: relative;
}

.image-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive cho modal */
@media (max-width: 768px) {
    #fullImageModal .relative {
        margin: 1rem;
    }
    
    #fullImage {
        max-height: 60vh;
    }
    
    .absolute.left-4,
    .absolute.right-4 {
        display: none;
    }
}

/* Smooth transitions cho award images */
.award-image-container {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.award-image-container:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}



/* Active Navigation Styles */
.nav-link.active {
    color: #f59e0b !important;
    background: rgba(245, 158, 11, 0.1) !important;
}

.nav-link.active .nav-underline {
    width: 100% !important;
    background: linear-gradient(90deg, #f59e0b, #fbbf24) !important;
}

.nav-link-mobile.active {
    color: #f59e0b !important;
    background: rgba(245, 158, 11, 0.1) !important;
}

/* Header khi scroll - compact hơn */
.header-scrolled nav {
    padding-top: 0.75rem !important;
    padding-bottom: 0.75rem !important;
}

.header-scrolled .min-h-\[3\.5rem\] {
    min-height: 2.5rem !important;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .min-h-\[3\.5rem\] {
        min-height: 2.5rem;
    }
    
    .w-24 {
        width: 5rem;
    }
    
    .h-12 {
        height: 2.5rem;
    }
    
    .w-20 {
        width: 4rem;
    }
    
    .h-10 {
        height: 2rem;
    }
}

.contact-link {
  transition: color 0.2s, text-decoration 0.2s;
}
.contact-link:hover {
  color: #ff6b35;
  text-decoration: none;
}
.footer-hoverable {
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  border-radius: 0.5rem;
  cursor: pointer;
}
.footer-hoverable:hover {
  background: rgba(255,255,255,0.08);
  color: #ff6b35;
  box-shadow: 0 2px 8px 0 rgba(0,0,0,0.12);
}
.footer-hoverable:hover .counter {
  color: #ff6b35;
}
.footer-logo {
  padding: 8px;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.text-2xl {
    font-size: 1.5rem !important;
    line-height: 2rem !important;
}
@media (min-width: 1024px) {
    .lg\:text-3xl {
        font-size: 1.875rem !important;
        line-height: 2.25rem !important;
    }
}

.contact-link {
    transition: color 0.2s;
  }
  .contact-link:hover {
    color: #ff6b35; /* blue-600 */
    text-decoration: underline;
  }

@media (max-width: 640px) {
  #contactModal .max-w-2xl {
    max-width: 98vw !important;
    width: 98vw !important;
    padding: 0.5rem !important;
  }
  #contactModal .p-6 {
    padding: 0.5rem !important;
  }
  #contactModal .w-20, #contactModal .h-20 {
    width: 3.5rem !important;
    height: 3.5rem !important;
  }
  #contactModal .w-24, #contactModal .h-24 {
    width: 4.5rem !important;
    height: 4.5rem !important;
  }
  #contactModal .ml-4 {
    margin-left: 0.5rem !important;
  }
  #contactModal .flex-1, #contactModal .space-y-6 {
    text-align: center !important;
  }
  #contactModal h2 {
    font-size: 1.2rem !important;
    margin-bottom: 0.5rem !important;
  }
  #contactModal .text-lg {
    font-size: 1rem !important;
  }
  #contactModal .text-sm {
    font-size: 0.9rem !important;
  }
  #closeContactModal {
    top: 0.5rem !important;
    right: 0.5rem !important;
    font-size: 1.5rem !important;
    z-index: 10;
  }
}