:root {
    --bg-color: #0f172a;
    --box-bg: rgba(255, 255, 255, 0.05);
    --box-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #38bdf8;
    --glow: rgba(56, 189, 248, 0.5);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: radial-gradient(circle at center, #1e293b 0%, var(--bg-color) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.countdown-container {
    text-align: center;
    padding: 3rem 4rem;
    background: var(--box-bg);
    border: 1px solid var(--box-border);
    border-radius: 24px;
    backdrop-filter: blur(16px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 10;
}

/* Efecto de resplandor detrás del contenedor principal */
.countdown-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, var(--glow) 0%, transparent 60%);
    z-index: -1;
    filter: blur(60px);
    opacity: 0.3;
    pointer-events: none;
}

h1 {
    font-weight: 500;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fff 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.time-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(15, 23, 42, 0.6);
    padding: 1.5rem;
    border-radius: 16px;
    min-width: 120px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.time-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(56, 189, 248, 0.2);
    border-color: rgba(56, 189, 248, 0.3);
}

.value {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    color: var(--accent);
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
    font-variant-numeric: tabular-nums;
}

.label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    font-weight: 500;
}

@media (max-width: 768px) {
    .countdown {
        flex-wrap: wrap;
        gap: 1.5rem;
    }
    
    .countdown-container {
        padding: 2rem;
        margin: 1rem;
    }

    h1 {
        font-size: 1.8rem;
    }

    .time-box {
        min-width: 100px;
        padding: 1rem;
        flex: 1 1 calc(50% - 1.5rem);
    }

    .value {
        font-size: 3rem;
    }
}