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

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --dark-bg: #0a0a0f;
    --dark-surface: #1a1a2e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b8;
    --accent: #667eea;
    --accent-bright: #764ba2;
    --error: #f5576c;
    --success: #4ade80;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dark-bg);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(240, 147, 251, 0.2) 0%, transparent 50%);
    animation: backgroundPulse 8s ease-in-out infinite;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0.1;
    z-index: -1;
}

.particle-effect {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 60px 60px, 40px 40px;
    animation: particles 20s linear infinite;
    z-index: -1;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes particles {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-60px, -60px); }
}

.hero-content {
    text-align: center;
    z-index: 1;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-container {
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out;
}

.logo {
    max-width: 300px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(102, 126, 234, 0.5));
    transition: transform 0.3s ease, filter 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 25px 50px rgba(102, 126, 234, 0.7));
}

.main-title {
    margin-bottom: 2rem;
    font-weight: 900;
    font-size: clamp(2.5rem, 8vw, 5rem);
    line-height: 1.1;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.title-line {
    display: block;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.subtitle {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.event-details {
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.date-time {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
}

.date {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.time {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Countdown Timer */
.countdown-container {
    animation: fadeInUp 1s ease-out 0.6s both;
}

.countdown-title {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.countdown-item {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    min-width: 80px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.countdown-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.countdown-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.countdown-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Video Section */
.video-section {
    flex: 1;
    padding: 4rem 2rem;
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-surface) 100%);
}

.video-container {
    max-width: 1200px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: var(--dark-surface);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    margin-bottom: 2rem;
}

.video-player {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: var(--dark-surface);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: background 0.3s ease;
}

.video-overlay:hover {
    background: rgba(0, 0, 0, 0.2);
}

.video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.play-button {
    animation: pulse 2s infinite;
}

.play-button svg {
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
    transition: transform 0.3s ease;
}

.play-button:hover svg {
    transform: scale(1.1);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.video-loading {
    text-align: center;
    color: var(--text-primary);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.video-info {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.video-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.video-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.stream-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--error);
    animation: blink 2s infinite;
}

.status-indicator.live {
    background: var(--success);
    animation: none;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.status-text {
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    width: 40px;
    height: auto;
}

.brand-name {
    font-size: 1.2rem;
    font-weight: 600;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        padding: 1rem;
    }
    
    .logo {
        max-width: 200px;
    }
    
    .countdown {
        gap: 1rem;
    }
    
    .countdown-item {
        min-width: 70px;
        padding: 1rem;
    }
    
    .countdown-value {
        font-size: 2rem;
    }
    
    .video-section {
        padding: 2rem 1rem;
    }
    
    .video-title {
        font-size: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .countdown {
        gap: 0.5rem;
    }
    
    .countdown-item {
        min-width: 60px;
        padding: 0.75rem;
    }
    
    .countdown-value {
        font-size: 1.5rem;
    }
    
    .play-button svg {
        width: 60px;
        height: 60px;
    }
}

/* Tablet Optimization */
@media (min-width: 769px) and (max-width: 1024px) {
    .video-wrapper {
        max-width: 90%;
        margin: 0 auto 2rem;
    }
}

/* High-resolution displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .particle-effect {
        background-size: 30px 30px, 20px 20px;
    }
}

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