body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: #333;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

header {
    text-align: center;
    padding: 60px 20px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    animation: fadeInDown 1s ease-out;
}

.logo {
    width: 240px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 60px 20px;
    animation: fadeInUp 1.5s ease-out;
}

h1 {
    font-size: 4em;
    margin-bottom: 30px;
    background: linear-gradient(45deg, #007bff, #28a745);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 2s infinite;
}

p {
    font-size: 1.3em;
    max-width: 700px;
    line-height: 1.7;
    color: #555;
}

.countdown {
    margin-top: 40px;
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.countdown-item {
    background: rgba(255, 255, 255, 0.8);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    min-width: 80px;
    text-align: center;
    transition: transform 0.3s ease;
}

.countdown-item:hover {
    transform: translateY(-5px);
}

.countdown-number {
    font-size: 2.5em;
    font-weight: bold;
    color: #007bff;
}

.countdown-label {
    font-size: 0.9em;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
}

footer {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    animation: fadeInUp 2s ease-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dev-logo {
    width: 180px;
    transition: opacity 0.3s ease;
}

.dev-logo:hover {
    opacity: 0.8;
}

a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #0056b3;
}

/* Animaciones */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5em;
    }
    .countdown {
        gap: 10px;
    }
    .countdown-item {
        min-width: 60px;
        padding: 15px;
    }
    .countdown-number {
        font-size: 2em;
    }
}