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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(135deg, #0d2438 0%, #1a3a52 60%, #234b6b 100%);
    color: #f5e6c8;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.container {
    max-width: 900px;
    width: 100%;
    text-align: center;
}

.hero {
    margin-bottom: 2.5rem;
}

.edition {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #f5e6c8;
    background: rgba(245, 230, 200, 0.15);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.5px;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.slogan {
    margin-top: 0.75rem;
    font-size: clamp(1.1rem, 2.2vw, 1.4rem);
    font-style: italic;
    color: #f5e6c8;
    font-weight: 500;
    letter-spacing: 1px;
}

.video-wrapper {
    margin-bottom: 2.5rem;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    background: #000;
}

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

.actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
    min-width: 200px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.btn-primary {
    background: #f5e6c8;
    color: #1a3a52;
}

.btn-primary:hover {
    background: #ffffff;
}

.btn-secondary {
    background: transparent;
    color: #f5e6c8;
    border: 2px solid #f5e6c8;
}

.btn-secondary:hover {
    background: #f5e6c8;
    color: #1a3a52;
}

.sponsors {
    margin-bottom: 2.5rem;
    padding: 2rem 1rem;
    border-top: 1px solid rgba(245, 230, 200, 0.2);
    border-bottom: 1px solid rgba(245, 230, 200, 0.2);
}

.sponsors h2 {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: rgba(245, 230, 200, 0.7);
    margin-bottom: 1.25rem;
}

.marquee {
    overflow: hidden;
    width: 100%;
    position: relative;
    -webkit-mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent);
    mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent);
}

.marquee-track {
    display: flex;
    gap: 3rem;
    width: max-content;
    animation: scroll 15s linear infinite;
}

.marquee:hover .marquee-track {
    animation-play-state: paused;
}

.sponsor {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 70px;
    min-width: 140px;
    padding: 0 1rem;
    text-decoration: none;
    color: #f5e6c8;
    font-weight: 600;
    font-size: 1rem;
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.sponsor:hover {
    opacity: 1;
}

.sponsor img {
    max-height: 60px;
    max-width: 180px;
    object-fit: contain;
}

.sponsor-fallback {
    display: none;
    white-space: nowrap;
}

@keyframes scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
    .marquee-track {
        animation: none;
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
    }
}

.footer {
    color: rgba(245, 230, 200, 0.6);
    font-size: 0.9rem;
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
    }
}