:root {
    --primary: #3B82F6;           
    --primary-light: #60A5FA;     
    --primary-dark: #1D4ED8;      
    --secondary: #10B981;         
    --secondary-light: #34D399;   
    --secondary-dark: #059669;    
    --accent: #F97316;            
    --accent-light: #FB923C;      
    --accent-dark: #EA580C;       
    --cyan: #06B6D4;
    --cyan-light: #22D3EE;
    --cyan-dark: #0891B2;
    --bg-darkest: #0A0F1A;        
    --bg-dark: #0C1929;           
    --bg-medium: #0F2137;         
    --bg-light: #132D4A;          
    --text-primary: #F8FAFC;      
    --text-secondary: #CBD5E1;    
    --text-muted: #64748B;        
    --gradient-primary: linear-gradient(135deg, #3B82F6 0%, #06B6D4 100%);
    --gradient-secondary: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
    --gradient-accent: linear-gradient(135deg, #F97316 0%, #FBBF24 100%);
    --gradient-hero: linear-gradient(135deg, #0C1929 0%, #132D4A 50%, #1E3A5F 100%);
    --gradient-card: linear-gradient(145deg, rgba(59, 130, 246, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow-blue: 0 0 30px rgba(59, 130, 246, 0.4);
    --shadow-glow-cyan: 0 0 30px rgba(6, 182, 212, 0.4);
    --shadow-glow-green: 0 0 30px rgba(16, 185, 129, 0.4);
    --border-color: rgba(59, 130, 246, 0.2);
    --border-hover: rgba(59, 130, 246, 0.5);
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --z-sticky: 100;
    --z-modal: 1000;
    --white: #ffffff;
    --gray-300: #CBD5E1;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    --warning: #FBBF24;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(12, 25, 41, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}
.header.scrolled {
    background: rgba(10, 15, 26, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.navbar {
    padding: var(--space-4) 0;
}
.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}
.logo i {
    font-size: var(--text-2xl);
    color: var(--primary);
}
.brand-name {
    font-family: 'Orbitron', 'Inter', monospace;
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: linear-gradient(135deg, 
        #3B82F6 0%, 
        #06B6D4 25%, 
        #10B981 50%, 
        #06B6D4 75%, 
        #3B82F6 100%
    );
    background-size: 200% auto;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: ocean-shimmer 4s linear infinite;
    filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.5));
    position: relative;
}
.brand-dot {
    color: var(--accent) !important;
    -webkit-text-fill-color: var(--accent) !important;
    font-weight: 900;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes ocean-shimmer {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}
@keyframes pulse-dot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.8; }
}
.nav-menu {
    display: none;
    align-items: center;
    gap: var(--space-8);
}
@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
}
@media (max-width: 767px) {
    .nav-menu,
    .nav-actions,
    .mobile-toggle {
        display: none !important;
    }
}
.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-base);
    position: relative;
    padding: var(--space-2) 0;
}
.nav-link:hover {
    color: var(--cyan-light);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}
.nav-link:hover::after {
    width: 100%;
}
.nav-actions {
    display: none;
    align-items: center;
    gap: var(--space-3);
}
@media (min-width: 768px) {
    .nav-actions {
        display: flex;
    }
}
.mobile-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}
.mobile-toggle span {
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}
@media (min-width: 768px) {
    .mobile-toggle {
        display: none;
    }
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}
.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}
.btn-primary:hover::before {
    left: 100%;
}
.btn-outline {
    background: rgba(59, 130, 246, 0.1);
    border: 2px solid var(--border-color);
    color: var(--primary-light);
}
.btn-outline:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-blue);
}
.btn-special {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 14px 32px;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    animation: btn-pulse 3s infinite;
}
.btn-special:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.6);
}
@keyframes btn-pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(6, 182, 212, 0.6); }
}
.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}
.btn-block {
    width: 100%;
}
.nav-actions .btn {
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}
.nav-actions .btn-outline {
    background: rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(59, 130, 246, 0.3);
    color: var(--primary-light);
}
.nav-actions .btn-outline:hover {
    border-color: var(--primary);
    color: var(--white);
    background: rgba(59, 130, 246, 0.9);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4);
}
.nav-actions .btn-primary {
    background: var(--gradient-primary);
    background-size: 200% 200%;
    animation: gradient-shift 4s ease infinite;
}
.nav-actions .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.5);
}
@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.nav-actions .btn i {
    transition: transform var(--transition-base);
}
.nav-actions .btn:hover i {
    transform: rotate(360deg) scale(1.1);
}
.section-with-bg {
    position: relative;
    overflow: hidden;
}
.background-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}
.background-layer .bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}
.background-layer .bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}
.content-layer {
    position: relative;
    z-index: 2;
}
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}
.hero {
    padding-top: calc(80px + var(--space-20));
    padding-bottom: var(--space-20);
    position: relative;
    overflow: hidden;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
}
.hero .background-layer .bg-overlay {
    background: linear-gradient(135deg, 
        rgba(12, 25, 41, 0.85) 0%, 
        rgba(15, 33, 55, 0.8) 50%, 
        rgba(19, 45, 74, 0.75) 100%);
}
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}
.hero-shape-1 {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: ocean-float 20s ease-in-out infinite;
}
.hero-shape-2 {
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: ocean-float 15s ease-in-out infinite reverse;
}
@keyframes ocean-float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(120deg); }
    66% { transform: translateY(30px) rotate(240deg); }
}
.hero .content-layer {
    position: relative;
    z-index: 2;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(80vh - 80px - var(--space-20) * 2);
}
.hero-content {
    text-align: center;
    max-width: 850px;
    margin: 0 auto;
    color: var(--text-primary);
}
.hero-title {
    font-size: var(--text-4xl);
    font-weight: 800;
    margin-bottom: var(--space-6);
    line-height: 1.2;
    color: var(--text-primary);
}
.hero-title .nowrap {
    display: inline-block;
    white-space: nowrap;
}
@media (min-width: 768px) {
    .hero-title {
        font-size: var(--text-5xl);
    }
}
@media (max-width: 768px) {
    .hero-title {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }
    .hero-title .nowrap {
        font-size: clamp(1.4rem, 4.2vw, 1.9rem);
        white-space: nowrap;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}
@media (max-width: 480px) {
    .hero-title .nowrap {
        font-size: clamp(1.25rem, 4vw, 1.7rem);
    }
}
@media (max-width: 375px) {
    .hero-title .nowrap {
        font-size: clamp(1.1rem, 3.8vw, 1.5rem);
    }
}
.gradient-text {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--cyan-light) 50%, var(--secondary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-text-flow 4s ease infinite;
    background-size: 200% auto;
}
@keyframes gradient-text-flow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    line-height: 1.8;
}
.hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
    margin-bottom: var(--space-12);
}
@media (min-width: 640px) {
    .hero-actions {
        flex-direction: row;
        justify-content: center;
    }
}
.hero .btn-outline {
    background: rgba(59, 130, 246, 0.1);
    color: var(--text-primary);
    border-color: rgba(59, 130, 246, 0.3);
    backdrop-filter: blur(10px);
}
.hero .btn-outline:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--primary);
}
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    max-width: 500px;
    margin: 0 auto;
}

/* Mobile responsive cho hero-stats */
@media (max-width: 767px) {
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-3);
        max-width: 100%;
        padding: 0 var(--space-2);
    }
}

@media (max-width: 400px) {
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-2);
    }
}

.stat-item {
    text-align: center;
    padding: var(--space-4);
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all var(--transition-base);
}

/* Mobile responsive cho stat-item */
@media (max-width: 767px) {
    .stat-item {
        padding: var(--space-3) var(--space-2);
        border-radius: var(--radius-lg);
    }
}

.stat-item:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateY(-5px);
}
.stat-number {
    font-size: var(--text-3xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-1);
}

/* Mobile responsive cho stat-number */
@media (max-width: 767px) {
    .stat-number {
        font-size: var(--text-xl);
    }
}

@media (max-width: 400px) {
    .stat-number {
        font-size: var(--text-lg);
    }
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* Mobile responsive cho stat-label */
@media (max-width: 767px) {
    .stat-label {
        font-size: var(--text-xs);
    }
}
.features {
    padding: var(--space-20) 0;
    position: relative;
    background: var(--bg-medium);
}
.features .background-layer,
.features .background-layer .bg-overlay {
    background: transparent;
}
.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}
.section-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}
.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}
@media (min-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-5);
    }
}
@media (min-width: 768px) and (max-width: 1199px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 767px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}
.feature-card {
    background: var(--gradient-card);
    backdrop-filter: blur(15px);
    padding: var(--space-6);
    border-radius: var(--radius-2xl);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(135deg, 
        var(--primary) 0%, 
        var(--cyan) 50%, 
        var(--secondary) 100%);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    -webkit-mask-composite: xor;
    opacity: 0;
    transition: opacity var(--transition-base);
}
.feature-card:hover::before {
    opacity: 1;
}
.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--primary);
}
.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: var(--text-2xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}
.feature-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}
.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}
.pricing {
    padding: var(--space-20) 0;
    position: relative;
    background: var(--bg-dark);
}
.pricing .background-layer,
.pricing .background-layer .bg-overlay {
    background: transparent;
}
.pricing .container {
    max-width: 2000px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}
.pricing .section-title {
    color: var(--text-primary);
}
.pricing .section-title i {
    color: var(--primary-light);
    margin-right: var(--space-2);
}
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-12);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--space-4);
}
@media (min-width: 1200px) {
    .pricing-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: var(--space-4);
    }
}
@media (min-width: 768px) and (max-width: 1199px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 767px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        padding: 0 var(--space-3);
    }
}
.pricing-card {
    position: relative;
    background: rgba(6, 182, 212, 0.08);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(6, 182, 212, 0.3);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
    will-change: transform;
    backface-visibility: hidden;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.15);
}
.pricing-card:hover {
    transform: translateY(-8px) translateZ(0);
    border-color: var(--cyan);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 40px rgba(6, 182, 212, 0.4);
    background: rgba(6, 182, 212, 0.15);
}
.pricing-card.popular {
    border-color: var(--cyan-light);
    background: rgba(6, 182, 212, 0.12);
    box-shadow: 0 0 35px rgba(6, 182, 212, 0.4);
}
.pricing-card.popular:hover {
    box-shadow: 0 0 50px rgba(6, 182, 212, 0.6);
    background: rgba(6, 182, 212, 0.18);
}
.pricing-card.premium {
    border-color: var(--cyan);
    background: rgba(6, 182, 212, 0.1);
}
.popular-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: linear-gradient(135deg, #06B6D4 0%, #22D3EE 100%);
    color: var(--white);
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.5);
}
.pricing-card .popular-badge,
.hot-badge {
    background: linear-gradient(135deg, #06B6D4 0%, #22D3EE 100%) !important;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.5);
    animation: hot-pulse 2s infinite;
}
@keyframes hot-pulse {
    0%, 100% { box-shadow: 0 4px 15px rgba(6, 182, 212, 0.5); }
    50% { box-shadow: 0 4px 25px rgba(34, 211, 238, 0.8); }
}
.vip-badge {
    background: linear-gradient(135deg, #06B6D4 0%, #22D3EE 100%) !important;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.5);
}
.vip-pro-badge {
    background: linear-gradient(135deg, #22D3EE 0%, #06B6D4 100%) !important;
    box-shadow: 0 4px 15px rgba(34, 211, 238, 0.5);
    animation: vip-pro-glow 2s infinite;
}
@keyframes vip-pro-glow {
    0%, 100% { box-shadow: 0 4px 15px rgba(6, 182, 212, 0.5); }
    50% { box-shadow: 0 4px 25px rgba(34, 211, 238, 0.8); }
}
.pricing-header {
    text-align: center;
    margin-bottom: var(--space-6);
}
.pricing-header h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}
.server-badge {
    display: inline-block;
    background: linear-gradient(135deg, #06B6D4 0%, #22D3EE 100%) !important;
    color: var(--white) !important;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    border: none !important;
    box-shadow: 0 2px 10px rgba(6, 182, 212, 0.4);
}
.server-badge.vip {
    background: linear-gradient(135deg, #06B6D4 0%, #22D3EE 100%) !important;
    color: var(--white) !important;
    border: none !important;
    box-shadow: 0 2px 12px rgba(6, 182, 212, 0.5);
}
.server-badge.vip-pro {
    background: linear-gradient(135deg, #22D3EE 0%, #06B6D4 100%) !important;
    color: var(--white) !important;
    border: none !important;
    animation: badge-glow 2s infinite;
    box-shadow: 0 2px 12px rgba(34, 211, 238, 0.5);
}
.server-badge[class*="japan"],
.server-badge[class*="Japan"],
.server-badge[class*="JPDT"] {
    background: linear-gradient(135deg, #06B6D4 0%, #0891B2 100%) !important;
    color: var(--white) !important;
    box-shadow: 0 2px 10px rgba(6, 182, 212, 0.4);
}
.server-badge[class*="vietnam"],
.server-badge[class*="Vietnam"],
.server-badge[class*="VN"] {
    background: linear-gradient(135deg, #06B6D4 0%, #22D3EE 100%) !important;
    color: var(--white) !important;
}
@keyframes badge-glow {
    0%, 100% { box-shadow: 0 0 10px rgba(6, 182, 212, 0.5); }
    50% { box-shadow: 0 0 20px rgba(34, 211, 238, 0.8); }
}
.pricing-price {
    text-align: center;
    margin-bottom: var(--space-6);
}
.price-label {
    display: block;
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-1);
}
.price-amount {
    display: block;
    font-size: var(--text-3xl);
    font-weight: 800;
    background: linear-gradient(135deg, #22D3EE 0%, #06B6D4 50%, #0891B2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}
.price-period {
    display: block;
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-top: var(--space-1);
}
.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-6);
}
.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-3) 0;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}
.pricing-features li:first-child {
    white-space: nowrap;
}
.pricing-features li:last-child {
    border-bottom: none;
}
.pricing-features li i {
    color: var(--cyan-light);
    margin-top: 2px;
    flex-shrink: 0;
}
.pricing-features .text-primary {
    color: #22D3EE !important;
}
.pricing-features .text-warning {
    color: var(--warning) !important;
}
.pricing-features .text-danger {
    color: var(--accent) !important;
}
.pricing-quantity {
    margin-bottom: var(--space-6);
}
.quantity-badge {
    background: rgba(6, 182, 212, 0.15);
    border-left: 4px solid var(--cyan);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    font-size: var(--text-xs);
    margin-bottom: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--cyan-light);
    font-weight: 600;
}
.quantity-badge.highlight {
    background: rgba(34, 211, 238, 0.2);
    border-left: 4px solid var(--cyan-light);
    color: #22D3EE;
}
.quantity-badge i {
    color: var(--cyan-light);
}
.quantity-badge.highlight i {
    color: #22D3EE;
}
.pricing-card .btn-primary,
.buy-btn {
    background: linear-gradient(135deg, #06B6D4 0%, #22D3EE 100%);
    color: var(--white);
    width: 100%;
    animation: buy-pulse 2.5s infinite;
}
.pricing-card .btn-primary:hover,
.buy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.5);
}
@keyframes buy-pulse {
    0%, 100% { box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4); }
    50% { box-shadow: 0 4px 25px rgba(34, 211, 238, 0.6); }
}
.faq {
    padding: var(--space-20) 0;
    position: relative;
    background: var(--bg-medium);
}
.faq .background-layer,
.faq .background-layer .bg-overlay {
    background: transparent;
}
.faq .section-title {
    color: var(--text-primary);
}
.faq .section-subtitle {
    color: var(--text-secondary);
}
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    background: rgba(6, 182, 212, 0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid rgba(6, 182, 212, 0.2);
}
.faq-item:hover {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.3);
}
.faq-item.active {
    box-shadow: var(--shadow-md), 0 0 30px rgba(6, 182, 212, 0.3);
    border-color: var(--cyan);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    transition: all var(--transition-base);
}
.faq-question:hover {
    color: var(--cyan-light);
}
.faq-question i:first-child {
    color: var(--cyan-light);
    margin-right: var(--space-3);
}
.faq-question i:last-child {
    transition: transform var(--transition-base);
    color: var(--text-muted);
}
.faq-item.active .faq-question i:last-child {
    transform: rotate(180deg);
    color: var(--cyan-light);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}
.faq-item.active .faq-answer {
    max-height: 500px;
}
.faq-answer p {
    padding: 0 var(--space-6) var(--space-6);
    color: var(--text-secondary);
    line-height: 1.8;
}
.cta {
    padding: var(--space-20) 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}
.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: cta-rotate 30s linear infinite;
}
@keyframes cta-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.cta-content {
    position: relative;
    text-align: center;
    color: var(--white);
    max-width: 600px;
    margin: 0 auto;
}
.cta-content h2 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
}
.cta-content p {
    font-size: var(--text-lg);
    margin-bottom: var(--space-8);
    opacity: 0.9;
}
.cta .btn {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}
.cta .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}
.footer {
    background: var(--bg-darkest);
    color: var(--text-secondary);
    padding: var(--space-16) 0 var(--space-8);
    border-top: 1px solid var(--border-color);
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}
.footer-section h3,
.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}
.footer-section p {
    line-height: 1.8;
    margin-bottom: var(--space-4);
}
.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-section ul li {
    margin-bottom: var(--space-2);
}
.footer-section ul li a {
    color: var(--text-secondary);
    transition: color var(--transition-base);
}
.footer-section ul li a:hover {
    color: var(--primary-light);
}
.footer-section ul li i {
    margin-right: var(--space-2);
    color: var(--primary);
}
.footer-brand {
    font-family: 'Orbitron', 'Inter', monospace;
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 3px;
    text-transform: uppercase;
    background: linear-gradient(135deg, 
        var(--primary-light) 0%, 
        var(--cyan-light) 50%, 
        var(--secondary-light) 100%);
    background-size: 200% auto;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: ocean-shimmer 4s linear infinite;
    filter: drop-shadow(0 0 15px rgba(59, 130, 246, 0.5));
    display: inline-block;
    margin-bottom: 1rem;
}
.footer-brand:hover {
    filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.8)) brightness(1.2);
}
.social-links {
    display: flex;
    gap: var(--space-3);
}
.social-links a,
.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-medium);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    transition: all var(--transition-base);
    border: 1px solid var(--border-color);
}
.social-links a:hover,
.social-link:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-blue);
    border-color: transparent;
}
.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    padding: var(--space-3) var(--space-4);
    z-index: var(--z-sticky);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}
@media (max-width: 767px) {
    .mobile-bottom-nav {
        display: flex;
        gap: var(--space-2);
        justify-content: stretch;
        align-items: center;
    }
    body {
        padding-bottom: 80px;
    }
}
.mobile-bottom-nav .btn {
    flex: 1;
    padding: var(--space-3) var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    min-width: 0;
}
.mobile-bottom-nav .btn-outline {
    background: rgba(59, 130, 246, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.3);
    color: var(--primary-light);
}
.mobile-bottom-nav .btn-outline:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--primary);
}
.mobile-bottom-nav .btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: var(--white);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}
.mobile-bottom-nav .btn-primary:hover {
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .mobile-bottom-nav {
        padding-bottom: calc(var(--space-4) + env(safe-area-inset-bottom));
    }
    @media (max-width: 767px) {
        body {
            padding-bottom: calc(80px + env(safe-area-inset-bottom));
        }
    }
}
@media (max-width: 767px) {
    ::-webkit-scrollbar {
        display: none;
    }
    body {
        -ms-overflow-style: none;
        scrollbar-width: none;
    }
}
@media (max-width: 639px) {
    .hero-title {
        font-size: var(--text-3xl);
    }
    .hero-subtitle {
        font-size: var(--text-base);
    }
    .section-title {
        font-size: var(--text-2xl);
    }
    .pricing-card {
        padding: var(--space-4);
    }
    .price-amount {
        font-size: var(--text-2xl);
    }
    .background-layer .bg-image {
        object-position: center center;
    }
    .brand-name {
        font-size: 1.2rem;
    }
    .footer-brand {
        font-size: 1.4rem;
    }
}
@media (max-width: 896px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 100px 0 60px 0;
    }
}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}
@media (max-width: 767px) {
    .container {
        padding: 0 16px;
        max-width: 100%;
    }
}
.gb-packages {
    border-top: 2px solid var(--border-color);
    padding-top: var(--space-8);
}
.gb-packages .section-title {
    color: var(--text-primary);
}
.gb-packages .section-title i {
    color: var(--secondary);
    margin-right: var(--space-2);
}
.gb-packages + .pricing-grid .pricing-card {
    border: 2px solid rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.05);
}
.gb-packages + .pricing-grid .pricing-card:hover {
    border-color: var(--secondary);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.2), var(--shadow-glow-green);
    background: rgba(16, 185, 129, 0.1);
}
.gb-packages + .pricing-grid .pricing-card .price-amount {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.gb-packages + .pricing-grid .server-badge {
    background: rgba(16, 185, 129, 0.2);
    color: var(--secondary-light);
    border: 1px solid rgba(16, 185, 129, 0.3);
}
.gb-packages + .pricing-grid .server-badge.vip {
    background: var(--gradient-secondary);
    color: var(--white);
    border: none;
}
.pricing-card.loading {
    opacity: 0.7;
    pointer-events: none;
}
.pricing-card.loading .price-amount {
    background: linear-gradient(90deg, var(--bg-light) 25%, var(--bg-medium) 50%, var(--bg-light) 75%);
    background-size: 200% 100%;
    animation: loading-shimmer 1.5s infinite;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: transparent;
}
@keyframes loading-shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
.text-primary { color: var(--cyan-light) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--accent) !important; }
html {
    scroll-behavior: smooth;
}
.pricing {
    scroll-behavior: smooth;
}
[data-aos] {
    pointer-events: auto !important;
}
.modal {
    z-index: 10000 !important;
}
.modal.active {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    animation: fadeIn 0.2s ease-out !important;
}
.modal-backdrop {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background: rgba(0, 0, 0, 0.6) !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
    z-index: 10001 !important;
    animation: fadeIn 0.2s ease-out !important;
}
.modal-content {
    position: relative !important;
    background: #0A0F1A !important;
    border: 1px solid rgba(59, 130, 246, 0.3) !important;
    border-radius: 16px !important;
    max-width: 480px !important;
    width: 95% !important;
    max-height: 90vh !important;
    overflow-y: auto !important;
    box-shadow: 
        0 25px 60px rgba(0, 0, 0, 0.6),
        0 0 40px rgba(59, 130, 246, 0.2) !important;
    z-index: 10002 !important;
    isolation: isolate !important;
    animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}
#loginModal .modal-content,
.login-modal .modal-content,
[data-modal="login"] .modal-content {
    max-width: 480px !important;
    min-height: 400px !important;
}
#registerModal .modal-content,
.register-modal .modal-content,
[data-modal="register"] .modal-content {
    max-width: 500px !important;
}
@keyframes fadeIn {
    from { 
        opacity: 0; 
    }
    to { 
        opacity: 1; 
    }
}
@keyframes modalIn {
    from { 
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to { 
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}
@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.modal-header {
    padding: 28px 28px 20px 28px !important;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2) !important;
    background: transparent !important;
}
.modal-title {
    font-size: 1.6rem !important;
    font-weight: 700 !important;
    color: #F8FAFC !important;
    margin: 0 !important;
}
.modal-close {
    width: 36px !important;
    height: 36px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: rgba(59, 130, 246, 0.1) !important;
    border: 1px solid rgba(59, 130, 246, 0.2) !important;
    border-radius: 8px !important;
    color: #94A3B8 !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}
.modal-close:hover {
    background: rgba(239, 68, 68, 0.2) !important;
    border-color: rgba(239, 68, 68, 0.4) !important;
    color: #F87171 !important;
    transform: rotate(90deg) !important;
}
.modal-body {
    padding: 28px !important;
    background: transparent !important;
}
.modal-footer {
    padding: 20px 28px 28px 28px !important;
    border-top: 1px solid rgba(59, 130, 246, 0.2) !important;
    background: transparent !important;
}
.modal .form-group,
.modal-content .form-group {
    margin-bottom: 24px !important;
}
.modal .form-label,
.modal-content .form-label,
.modal label {
    display: block !important;
    margin-bottom: 10px !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    color: #CBD5E1 !important;
}
.modal .form-control,
.modal-content .form-control,
.modal input[type="text"],
.modal input[type="email"],
.modal input[type="password"],
.modal input[type="tel"],
.modal input[type="number"],
.modal textarea,
.modal select {
    width: 100% !important;
    padding: 14px 18px !important;
    font-size: 16px !important;
    font-family: inherit !important;
    color: #F8FAFC !important;
    background: #132D4A !important;
    border: 2px solid rgba(59, 130, 246, 0.3) !important;
    border-radius: 12px !important;
    outline: none !important;
    transition: all 0.2s ease !important;
    min-height: 52px !important;
}
.modal .form-control:focus,
.modal-content .form-control:focus,
.modal input:focus,
.modal textarea:focus,
.modal select:focus {
    border-color: #3B82F6 !important;
    background: #1E3A5F !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15) !important;
}
.modal .form-control::placeholder,
.modal input::placeholder,
.modal textarea::placeholder {
    color: #64748B !important;
}
.modal .input-group-icon,
.modal-content .input-group-icon {
    color: #64748B !important;
}
.modal .form-check,
.modal-content .form-check {
    color: #CBD5E1 !important;
}
.modal .form-check-input,
.modal-content .form-check-input {
    accent-color: #3B82F6 !important;
}
.modal .form-check-label,
.modal-content .form-check-label {
    color: #CBD5E1 !important;
}
.modal .btn,
.modal-content .btn {
    padding: 14px 28px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    border-radius: 12px !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    min-height: 52px !important;
}
.modal .btn-primary,
.modal-content .btn-primary {
    background: linear-gradient(135deg, #3B82F6 0%, #06B6D4 100%) !important;
    color: #ffffff !important;
    border: none !important;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4) !important;
}
.modal .btn-primary:hover,
.modal-content .btn-primary:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5) !important;
}
.modal .btn-secondary,
.modal-content .btn-secondary,
.modal .btn-outline {
    background: transparent !important;
    color: #CBD5E1 !important;
    border: 2px solid rgba(59, 130, 246, 0.3) !important;
}
.modal .btn-secondary:hover,
.modal-content .btn-secondary:hover,
.modal .btn-outline:hover {
    background: rgba(59, 130, 246, 0.1) !important;
    border-color: #3B82F6 !important;
    color: #60A5FA !important;
}
.modal .btn-block,
.modal-content .btn-block {
    width: 100% !important;
}
.modal p,
.modal-content p {
    color: #94A3B8 !important;
    margin-bottom: 16px !important;
}
.modal a,
.modal-content a {
    color: #60A5FA !important;
    text-decoration: none !important;
    transition: color 0.2s ease !important;
}
.modal a:hover,
.modal-content a:hover {
    color: #22D3EE !important;
    text-decoration: underline !important;
}
.modal .error,
.modal .error-message,
.modal .invalid-feedback,
.modal-content .error {
    color: #F87171 !important;
    font-size: 13px !important;
    margin-top: 6px !important;
}
.modal .form-control.is-invalid,
.modal input.error {
    border-color: #EF4444 !important;
}
.modal .success,
.modal .success-message,
.modal-content .success {
    color: #34D399 !important;
}
.modal .password-strength {
    margin-top: 8px !important;
}
.modal .strength-bar {
    height: 4px !important;
    background: #1E3A5F !important;
    border-radius: 2px !important;
    overflow: hidden !important;
}
.modal .strength-fill {
    height: 100% !important;
    transition: width 0.3s ease !important;
}
.modal .strength-weak .strength-fill {
    background: #EF4444 !important;
}
.modal .strength-medium .strength-fill {
    background: #F59E0B !important;
}
.modal .strength-strong .strength-fill {
    background: #10B981 !important;
}
.modal .strength-text {
    font-size: 12px !important;
    color: #94A3B8 !important;
    margin-top: 4px !important;
}
.modal .alert,
.modal-content .alert {
    padding: 12px 16px !important;
    border-radius: 8px !important;
    margin-bottom: 16px !important;
}
.modal .alert-danger {
    background: rgba(239, 68, 68, 0.1) !important;
    border: 1px solid rgba(239, 68, 68, 0.3) !important;
    color: #F87171 !important;
}
.modal .alert-success {
    background: rgba(16, 185, 129, 0.1) !important;
    border: 1px solid rgba(16, 185, 129, 0.3) !important;
    color: #34D399 !important;
}
.modal .alert-warning {
    background: rgba(245, 158, 11, 0.1) !important;
    border: 1px solid rgba(245, 158, 11, 0.3) !important;
    color: #FBBF24 !important;
}
.modal .alert-info {
    background: rgba(59, 130, 246, 0.1) !important;
    border: 1px solid rgba(59, 130, 246, 0.3) !important;
    color: #60A5FA !important;
}
.swal2-container {
    z-index: 100000 !important;
}
.swal2-popup {
    background: #0A0F1A !important;
    border: 1px solid rgba(59, 130, 246, 0.3) !important;
    border-radius: 16px !important;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6) !important;
    animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}
.swal2-title {
    color: #F8FAFC !important;
}
.swal2-html-container {
    color: #94A3B8 !important;
}
.swal2-input {
    background: #132D4A !important;
    border: 2px solid rgba(59, 130, 246, 0.3) !important;
    border-radius: 10px !important;
    color: #F8FAFC !important;
}
.swal2-input:focus {
    border-color: #3B82F6 !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15) !important;
}
.swal2-confirm {
    background: linear-gradient(135deg, #3B82F6 0%, #06B6D4 100%) !important;
    border: none !important;
    border-radius: 10px !important;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4) !important;
}
.swal2-cancel {
    background: transparent !important;
    border: 2px solid rgba(59, 130, 246, 0.3) !important;
    color: #CBD5E1 !important;
    border-radius: 10px !important;
}
.swal2-close {
    color: #64748B !important;
}
.swal2-close:hover {
    color: #F87171 !important;
}
@media (max-width: 767px) {
    .modal-content {
        margin: 16px !important;
        max-width: calc(100% - 32px) !important;
        max-height: calc(100vh - 100px) !important;
        animation: modalSlideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
    }
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 20px !important;
    }
}
.modal-medium .modal-content {
    max-width: 500px !important;
    min-width: 0 !important;
    width: 100% !important;
}

/* Mobile modal fix */
@media (max-width: 520px) {
    .modal-medium .modal-content,
    .modal-content {
        max-width: calc(100vw - 32px) !important;
        min-width: 0 !important;
        width: calc(100vw - 32px) !important;
        margin: 16px !important;
    }
}

/* ===========================
   Welcome Popup / Announcement
   =========================== */
.welcome-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.3s ease-out;
}

.welcome-popup {
    background: linear-gradient(145deg, #0A0F1A 0%, #0F2137 100%);
    border: 2px solid rgba(6, 182, 212, 0.4);
    border-radius: 20px;
    max-width: 480px;
    width: 100%;
    overflow: hidden;
    box-shadow: 
        0 25px 60px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(6, 182, 212, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: modalIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.welcome-popup-header {
    background: linear-gradient(135deg, #06B6D4 0%, #22D3EE 100%);
    padding: 20px 24px;
    position: relative;
    overflow: hidden;
}

.welcome-popup-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);
    animation: shimmer 3s linear infinite;
}

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

.welcome-popup-header h3 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.welcome-popup-header h3 i {
    font-size: 1.5rem;
    animation: ring 2s ease-in-out infinite;
}

@keyframes ring {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(15deg); }
    20%, 40% { transform: rotate(-15deg); }
    50% { transform: rotate(0deg); }
}

.welcome-popup-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 2;
}

.welcome-popup-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.welcome-popup-body {
    padding: 24px;
}

.welcome-popup-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.welcome-popup-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(6, 182, 212, 0.15);
    color: #CBD5E1;
    font-size: 15px;
    line-height: 1.5;
}

.welcome-popup-list li:last-child {
    border-bottom: none;
}

.welcome-popup-list li i {
    color: #22D3EE;
    font-size: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

.welcome-popup-list li strong {
    color: #F8FAFC;
}

.welcome-popup-list li a {
    color: #22D3EE;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
}

.welcome-popup-list li a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.welcome-popup-zalo {
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(34, 211, 238, 0.1) 100%);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 12px;
    padding: 16px;
    margin-top: 16px;
}

.welcome-popup-zalo i {
    font-size: 24px;
    color: #22D3EE;
}

.welcome-popup-zalo-info {
    flex: 1;
}

.welcome-popup-zalo-info span {
    display: block;
    font-size: 13px;
    color: #94A3B8;
    margin-bottom: 4px;
}

.welcome-popup-zalo-info a {
    color: #22D3EE;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: color 0.2s ease;
}

.welcome-popup-zalo-info a:hover {
    color: #ffffff;
}

.welcome-popup-footer {
    padding: 20px 24px;
    border-top: 1px solid rgba(6, 182, 212, 0.2);
    display: flex;
    gap: 12px;
}

.welcome-popup-btn {
    flex: 1;
    padding: 14px 20px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.welcome-popup-btn-primary {
    background: linear-gradient(135deg, #06B6D4 0%, #22D3EE 100%);
    border: none;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
}

.welcome-popup-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.5);
}

.welcome-popup-btn-secondary {
    background: transparent;
    border: 2px solid rgba(6, 182, 212, 0.3);
    color: #CBD5E1;
}

.welcome-popup-btn-secondary:hover {
    background: rgba(6, 182, 212, 0.1);
    border-color: #06B6D4;
    color: #22D3EE;
}

/* Mobile responsive */
@media (max-width: 520px) {
    .welcome-popup {
        max-width: calc(100vw - 32px);
        margin: 16px;
    }
    
    .welcome-popup-header {
        padding: 16px 20px;
    }
    
    .welcome-popup-header h3 {
        font-size: 1.2rem;
    }
    
    .welcome-popup-body {
        padding: 20px;
    }
    
    .welcome-popup-list li {
        font-size: 14px;
        padding: 10px 0;
    }
    
    .welcome-popup-footer {
        padding: 16px 20px;
        flex-direction: column;
    }
    
    .welcome-popup-btn {
        width: 100%;
    }
}