:root {
    --primary: #0d6efd;
    --dark: #101827;
    --light: #f8f9fa;
}

body {
    font-family: 'Inter', sans-serif;
    background: #f6f8fb;
    color: #333;
}

.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #0d6efd 0%, #6610f2 100%);
    color: #fff;
}

.hero h1,
.hero p {
    text-shadow: 0 4px 20px rgba(0,0,0,0.18);
}

.countdown {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.countdown .count {
    background: rgba(255,255,255,0.12);
    padding: 20px;
    border-radius: 16px;
    text-align: center;
}

.section-title {
    margin-bottom: 2rem;
}

.registration-card {
    border: none;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(17, 24, 39, 0.08);
}

footer {
    margin-top: 4rem;
}

@media (max-width: 768px) {
    .countdown {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}