:root {
    --bg-color: #0a0a0a;
    --card-bg: #1a1a1a;
    --primary-yellow: #ffde00;
    --accent-red: #e63946;
    --text-main: #ffffff;
    --text-dim: #b0b0b0;
}

body {
    margin: 0;
    font-family: 'Space Grotesk', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

nav {
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo {
    font-family: 'Anton', sans-serif;
    font-size: 2rem;
    color: var(--primary-yellow);
    letter-spacing: 2px;
    flex-shrink: 0;
}

.links {
    display: flex;
    gap: 20px;
    flex-wrap: nowrap;
    align-items: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.contact-item:hover {
    color: var(--primary-yellow);
}

@media (max-width: 900px) {
    .contact-item span {
        display: none;
    }
    nav {
        padding: 1.5rem;
    }
}

.hero {
    text-align: center;
    padding: 100px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

h1 {
    font-family: 'Anton', sans-serif;
    font-size: clamp(4rem, 10vw, 8rem);
    margin: 0;
    color: var(--primary-yellow);
    text-transform: uppercase;
    line-height: 1;
}

.tagline {
    font-size: 1.2rem;
    color: var(--text-dim);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-top: 1rem;
}

.event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-left: 5px solid var(--primary-yellow);
    display: flex;
    flex-direction: column;
    min-height: 500px;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
}

.card.highlight {
    border-left: 5px solid var(--accent-red);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-date {
    font-weight: bold;
    color: var(--accent-red);
    text-transform: uppercase;
    font-size: 0.9rem;
}

.speaker-list {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
    flex-grow: 1;
}

.speaker-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #333;
    font-size: 1rem;
}

.footer-note {
    color: var(--text-dim);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    margin-top: auto;
}

.badge {
    background: var(--primary-yellow);
    color: #000;
    padding: 0.3rem 0.6rem;
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.7rem;
    width: fit-content;
}

footer {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-dim);
    font-size: 0.9rem;
}