:root {
    --primary-violet: #602EFF;
    --accent-yellow: #FFF200;
    --accent-cyan: #5FDDFF;
    --secondary-lilac: #DE8FFF;
    --background-white: #FFFFFF;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    
    --font-title: 'Clash Display', sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--background-white);
    background-image: url('img/pattern.png');
    background-repeat: repeat;
    background-size: 300px;
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    background-image: 
        repeating-linear-gradient(45deg, var(--primary-violet) 0px, var(--primary-violet) 1px, transparent 1px, transparent 10px),
        repeating-linear-gradient(-45deg, var(--accent-cyan) 0px, var(--accent-cyan) 1px, transparent 1px, transparent 10px);
    pointer-events: none;
    z-index: -1;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.header {
    background: var(--background-white);
    padding: var(--spacing-lg) 0;
    border-bottom: 4px solid var(--primary-violet);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(96, 46, 255, 0.1);
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
}

.logo-image {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-family: var(--font-title);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-violet);
    letter-spacing: -0.02em;
}

.logo-day {
    font-family: var(--font-title);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-yellow);
    text-shadow: 2px 2px 0 var(--primary-violet);
}

.header-title {
    font-family: var(--font-title);
    font-size: 1.8rem;
    color: var(--primary-violet);
    text-align: center;
    letter-spacing: 0.05em;
}

.hero {
    background: linear-gradient(135deg, var(--primary-violet) 0%, var(--accent-cyan) 100%);
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: var(--secondary-lilac);
    opacity: 0.2;
    border-radius: 50%;
    filter: blur(100px);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-title);
    font-size: 2.5rem;
    color: var(--background-white);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.03em;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-weight: 300;
}

.video-wrapper {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-sm);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.video-embed {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    background: #000;
}

.video-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-embed video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-stats {
    display: flex;
    justify-content: space-around;
    margin-top: var(--spacing-xl);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    color: var(--background-white);
}

.stat-number {
    display: block;
    font-family: var(--font-title);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-yellow);
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.9;
}

.contents {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    font-family: var(--font-title);
    font-size: 2.5rem;
    color: var(--primary-violet);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.03em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-weight: 300;
}

.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.card {
    background: var(--background-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(96, 46, 255, 0.2);
    border-color: var(--secondary-lilac);
}

.card-image {
    position: relative;
    overflow: hidden;
}

.video-thumbnail {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.thumbnail-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.placeholder-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card:hover .video-thumbnail img,
.card:hover .thumbnail-video {
    transform: scale(1.1);
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: var(--accent-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-base);
    z-index: 2;
}

.card:hover .play-icon {
    transform: translate(-50%, -50%) scale(1.15);
    background: var(--primary-violet);
    color: var(--background-white);
}

.card-content {
    padding: var(--spacing-lg);
}

.card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-violet);
    background: rgba(96, 46, 255, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    margin-bottom: var(--spacing-sm);
}

.card-title {
    font-family: var(--font-title);
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.card-description {
    font-size: 0.95rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.btn-primary {
    display: inline-block;
    background: var(--accent-yellow);
    color: var(--text-dark);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.9rem 1.8rem;
    border: 3px solid var(--text-dark);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 4px 4px 0 var(--text-dark);
}

.btn-primary:hover {
    background: var(--primary-violet);
    color: var(--background-white);
    border-color: var(--primary-violet);
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--text-dark);
}

.footer {
    background: var(--primary-violet);
    color: var(--background-white);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xxl);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.3rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo-image {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.footer-logo .logo-text {
    color: var(--background-white);
}

.footer-logo .logo-day {
    color: var(--accent-yellow);
}

.footer-year {
    font-family: var(--font-title);
    font-size: 1.2rem;
    color: var(--accent-cyan);
    margin-left: 0.5rem;
}

.footer-text {
    font-size: 0.95rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-link {
    color: var(--background-white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color var(--transition-base);
    position: relative;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-yellow);
    transition: width var(--transition-base);
}

.footer-link:hover {
    color: var(--accent-yellow);
}

.footer-link:hover::after {
    width: 100%;
}

@media (min-width: 768px) {
    .header-content {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .header-title {
        text-align: right;
    }
    
    .logo-text,
    .logo-day {
        font-size: 3rem;
    }
    
    .logo-image {
        height: 80px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

@media (min-width: 1024px) {
    .logo-image {
        height: 90px;
    }
    
    .header-title {
        font-size: 2.2rem;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
    
    .section-subtitle {
        font-size: 1.2rem;
    }
    
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .card-title {
        font-size: 1.5rem;
    }
}

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

*:focus-visible {
    outline: 3px solid var(--accent-yellow);
    outline-offset: 3px;
}

html {
    scroll-behavior: smooth;
}

.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.video-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 1000px;
    background: var(--background-white);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    z-index: 10000;
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.video-modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 50px;
    height: 50px;
    background: var(--accent-yellow);
    border: 3px solid var(--text-dark);
    border-radius: 50%;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    z-index: 10001;
}

.modal-close:hover {
    background: var(--primary-violet);
    color: var(--background-white);
    transform: rotate(90deg);
}

.modal-title {
    font-family: var(--font-title);
    font-size: 1.5rem;
    color: var(--primary-violet);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.modal-video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    background: #000;
}

.modal-video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        padding: var(--spacing-md);
    }
    
    .modal-title {
        font-size: 1.2rem;
    }
    
    .modal-close {
        top: -10px;
        right: -10px;
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
}