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

:root {
    --primary-gradient: linear-gradient(135deg, #2196F3 0%, #21CBF3 100%);
    --secondary-gradient: linear-gradient(135deg, #4CAF50 0%, #8BC34A 100%);
    --accent-gradient: linear-gradient(135deg, #FF9800 0%, #FFC107 100%);
    --success-gradient: linear-gradient(135deg, #4CAF50 0%, #00E676 100%);
    --warning-gradient: linear-gradient(135deg, #FF9800 0%, #FFC107 100%);
    --primary-color: #2196F3;
    --secondary-color: #21CBF3;
    --accent-color: #FF9800;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-heavy: rgba(0, 0, 0, 0.25);
}

body {
    font-family: 'Poppins', 'Inter', sans-serif;
    background: var(--primary-gradient);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 30px;
}

.loading-logo i {
    font-size: 40px;
    animation: serverPulse 2s infinite;
}

@keyframes serverPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loading-text {
    font-size: 16px;
    opacity: 0.9;
    animation: fadeInOut 2s infinite;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.9; }
    50% { opacity: 0.5; }
}

/* Particles Background */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: float 20s infinite linear;
}

.particle:nth-child(odd) {
    background: rgba(33, 150, 243, 0.4);
}

.particle:nth-child(even) {
    background: rgba(33, 203, 243, 0.4);
}

.container {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Enhanced Background Animation */
.background-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    animation: float 25s infinite linear;
}

.shape1 {
    width: 120px;
    height: 120px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    background: linear-gradient(45deg, rgba(33, 150, 243, 0.1), rgba(33, 203, 243, 0.1));
}

.shape2 {
    width: 80px;
    height: 80px;
    top: 60%;
    right: 20%;
    animation-delay: -8s;
    background: linear-gradient(45deg, rgba(76, 175, 80, 0.1), rgba(139, 195, 74, 0.1));
}

.shape3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 70%;
    animation-delay: -15s;
    background: linear-gradient(45deg, rgba(255, 152, 0, 0.1), rgba(255, 193, 7, 0.1));
}

.shape4 {
    width: 60px;
    height: 60px;
    top: 30%;
    right: 10%;
    animation-delay: -20s;
    background: linear-gradient(45deg, rgba(76, 175, 80, 0.1), rgba(0, 230, 118, 0.1));
}

.shape5 {
    width: 90px;
    height: 90px;
    top: 70%;
    left: 30%;
    animation-delay: -5s;
    background: linear-gradient(45deg, rgba(255, 152, 0, 0.1), rgba(255, 193, 7, 0.1));
}

.shape6 {
    width: 70px;
    height: 70px;
    top: 20%;
    left: 60%;
    animation-delay: -12s;
    background: linear-gradient(45deg, rgba(33, 150, 243, 0.1), rgba(33, 203, 243, 0.1));
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg) scale(1);
        opacity: 0.7;
    }
    25% {
        transform: translateY(-30px) rotate(90deg) scale(1.1);
        opacity: 0.4;
    }
    50% {
        transform: translateY(-60px) rotate(180deg) scale(0.9);
        opacity: 0.8;
    }
    75% {
        transform: translateY(-30px) rotate(270deg) scale(1.05);
        opacity: 0.3;
    }
}

/* Enhanced Main Content */
.main-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 30px;
    padding: 50px;
    max-width: 800px;
    width: 100%;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.15),
        0 15px 35px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    position: relative;
    z-index: 2;
    animation: slideUpFade 1s ease-out;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(60px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Enhanced Logo Section */
.logo-section {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    display: inline-block;
    position: relative;
}

.logo-icon {
    position: relative;
    display: inline-block;
    margin-bottom: 15px;
}

.logo-icon i {
    font-size: 60px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 2;
    animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% { 
        filter: drop-shadow(0 0 20px rgba(33, 150, 243, 0.5));
        transform: scale(1);
    }
    50% { 
        filter: drop-shadow(0 0 30px rgba(33, 203, 243, 0.8));
        transform: scale(1.05);
    }
}

.logo-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
    opacity: 0.3;
}

@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.1; }
    100% { transform: translate(-50%, -50%) scale(1.4); opacity: 0; }
}

.logo-text {
    display: block;
    font-size: 36px;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
    letter-spacing: -1px;
}

.logo-subtitle {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.8;
}

/* Enhanced Maintenance Icon */
.maintenance-icon {
    text-align: center;
    margin-bottom: 40px;
}

.icon-wrapper {
    position: relative;
    display: inline-block;
    width: 150px;
    height: 150px;
}

.rotating-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 3px solid transparent;
}

.ring1 {
    width: 140px;
    height: 140px;
    border-top: 3px solid var(--primary-color);
    border-right: 3px solid var(--primary-color);
    animation: rotate 4s linear infinite;
    opacity: 0.8;
}

.ring2 {
    width: 110px;
    height: 110px;
    border-bottom: 3px solid var(--secondary-color);
    border-left: 3px solid var(--secondary-color);
    animation: rotate 3s linear infinite reverse;
    opacity: 0.6;
}

.ring3 {
    width: 80px;
    height: 80px;
    border-top: 3px solid var(--accent-color);
    border-right: 3px solid var(--accent-color);
    animation: rotate 2s linear infinite;
    opacity: 0.4;
}

.center-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
    color: var(--primary-color);
    animation: centerFloat 3s ease-in-out infinite;
}

@keyframes centerFloat {
    0%, 100% { transform: translate(-50%, -50%) scale(1) rotate(0deg); }
    50% { transform: translate(-50%, -50%) scale(1.1) rotate(5deg); }
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Enhanced Message Section */
.message-section {
    text-align: center;
    margin-bottom: 50px;
}

.main-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    line-height: 1.3;
    position: relative;
}

.typing-text {
    display: inline-block;
}

.typing-cursor {
    animation: blink 1s infinite;
    color: var(--primary-color);
    font-weight: 300;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto 30px;
}

.highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.upgrade-badges {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 25px;
}

.badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 500;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(33, 150, 243, 0.2);
}

.badge i {
    font-size: 14px;
}

/* Enhanced Progress Section */
.progress-section {
    margin-bottom: 50px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.progress-label {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 600;
}

.progress-text {
    font-size: 18px;
    color: var(--primary-color);
    font-weight: 700;
}

.progress-container {
    position: relative;
}

.progress-bar {
    position: relative;
    height: 16px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 25px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 12px;
    position: relative;
    width: 0%;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.4);
}

.progress-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shine 3s infinite;
}

.progress-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--primary-gradient);
    border-radius: 12px;
    z-index: -1;
    filter: blur(6px);
    opacity: 0.5;
}

@keyframes shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

.progress-stages {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.stage.active {
    opacity: 1;
    transform: translateY(-5px);
}

.stage-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.stage.active .stage-icon {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 8px 25px rgba(33, 150, 243, 0.3);
}

.stage-label {
    font-size: 11px;
    color: var(--text-light);
    font-weight: 500;
    text-align: center;
}

.stage.active .stage-label {
        color: var(--primary-color);
    font-weight: 600;
}

/* Countdown Section */
.countdown-section {
    margin-bottom: 50px;
}

.countdown-label {
    text-align: center;
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-weight: 600;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.time-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 70px;
}

.time-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 15px 20px;
    border-radius: 15px;
    border: 1px solid var(--glass-border);
    min-width: 70px;
    text-align: center;
    animation: pulse 2s infinite;
    box-shadow: 0 8px 25px rgba(33, 150, 243, 0.1);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 8px 25px rgba(33, 150, 243, 0.1);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 12px 35px rgba(33, 150, 243, 0.2);
    }
}

.time-label {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 8px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.time-separator {
    font-size: 32px;
    color: var(--primary-color);
    font-weight: 700;
    margin: 0 5px;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}
 
/* Enhanced Features Section */
.features-section {
    margin-bottom: 50px;
}

.features-header {
    text-align: center;
    margin-bottom: 40px;
}

.features-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.features-header p {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.feature-item {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px 25px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.feature-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: translateX(-100%);
    transition: transform 0.4s ease;
}

.feature-item:hover::before {
    transform: translateX(0);
}

.feature-icon {
    position: relative;
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: inline-block;
}

.feature-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    animation: featureGlow 3s ease-in-out infinite;
}

@keyframes featureGlow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.2; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.4; }
}

.feature-item h3 {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-weight: 600;
}

.feature-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
}

.feature-status {
    margin-top: 15px;
}

.status-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.developing {
    background: var(--warning-gradient);
    color: white;
}

.status-badge.testing {
    background: var(--accent-gradient);
    color: white;
}

.status-badge.coming-soon {
    background: var(--success-gradient);
    color: white;
}

/* Enhanced Contact Section */
.contact-section {
    text-align: center;
    margin-bottom: 40px;
}

.contact-section h3 {
    font-size: 22px;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 700;
}

.contact-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    opacity: 0.9;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(33, 150, 243, 0.1), transparent);
    transition: left 0.5s ease;
}

.contact-item:hover::before {
    left: 100%;
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-info {
    display: flex;
    flex-direction: column;
    text-align: left;
    flex: 1;
}

.contact-label {
    font-size: 12px;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.contact-value {
    font-size: 16px;
    color: var(--text-primary);
    font-weight: 600;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 18px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.social-link:hover {
    transform: translateY(-3px) scale(1.1);
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 10px 20px rgba(33, 150, 243, 0.3);
}

/* Enhanced Footer */
.footer {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-content p {
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-sub {
    font-size: 13px;
    color: var(--text-light);
    font-style: italic;
}

.brand {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

/* Enhanced Loading Dots */
.loading-dots {
    position: fixed;
    bottom: 40px;
    right: 40px;
    display: flex;
    gap: 8px;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: bounce 1.6s infinite ease-in-out;
}

.dot:nth-child(1) { animation-delay: -0.32s; }
.dot:nth-child(2) { animation-delay: -0.16s; }
.dot:nth-child(3) { animation-delay: 0s; }

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1.2);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .main-content {
        padding: 30px 25px;
        border-radius: 20px;
    }
    
    .logo-text {
        font-size: 28px;
    }
    
    .main-title {
        font-size: 22px;
    }
    
    .subtitle {
        font-size: 15px;
    }
    
    .upgrade-badges {
        flex-direction: column;
        gap: 10px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-item {
        padding: 25px 20px;
    }
    
    .progress-stages {
        flex-direction: column;
        gap: 15px;
    }
    
    .stage {
        flex-direction: row;
        justify-content: flex-start;
        gap: 15px;
    }
    
    .contact-methods {
        gap: 12px;
    }
    
    .contact-item {
        padding: 15px;
        gap: 15px;
    }
    
    .social-links {
        gap: 12px;
    }

    .countdown-timer {
        gap: 10px;
    }

    .time-number {
        font-size: 28px;
        padding: 12px 15px;
        min-width: 60px;
    }

    .time-separator {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 25px 20px;
    }
    
    .logo-icon i {
        font-size: 50px;
    }
    
    .logo-text {
        font-size: 24px;
    }
    
    .main-title {
        font-size: 20px;
    }
    
    .icon-wrapper {
        width: 120px;
        height: 120px;
    }
    
    .ring1 { width: 110px; height: 110px; }
    .ring2 { width: 85px; height: 85px; }
    .ring3 { width: 60px; height: 60px; }
    
    .center-icon {
        font-size: 30px;
    }
    
    .features-header h2 {
        font-size: 20px;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .contact-info {
        text-align: center;
    }

    .countdown-timer {
        gap: 8px;
    }

    .time-number {
        font-size: 24px;
        padding: 10px 12px;
        min-width: 50px;
    }

    .time-separator {
        font-size: 20px;
    }
}

/* Advanced Animations */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.gradient-text {
    background: linear-gradient(-45deg, #2196F3, #21CBF3, #4CAF50, #FF9800);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}

/* Ripple Effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Glitch Effect for Special Elements */
.glitch {
    position: relative;
    display: inline-block;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
}

.glitch::before {
    animation: glitch-1 0.5s infinite;
    color: #ff0000;
    z-index: -1;
}

.glitch::after {
    animation: glitch-2 0.5s infinite;
    color: #00ff00;
    z-index: -2;
}

@keyframes glitch-1 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
}

@keyframes glitch-2 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(2px, 2px); }
    40% { transform: translate(2px, -2px); }
    60% { transform: translate(-2px, 2px); }
    80% { transform: translate(-2px, -2px); }
}

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

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-gradient);
}

/* Selection Color */
::selection {
    background: var(--primary-color);
    color: white;
}

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