* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
}

.container {
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    padding: 60px 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 90%;
    backdrop-filter: blur(10px);
    animation: fadeIn 0.8s ease-out;
}

.logo {
    font-size: 48px;
    margin-bottom: 20px;
}

h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 20px;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

.countdown {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin: 40px 0;
}

.countdown-item {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.countdown-number {
    font-size: 32px;
    font-weight: 700;
    display: block;
}

.countdown-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 8px;
    opacity: 0.9;
}

.email-form {
    margin: 40px 0;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.email-form input {
    flex: 1;
    min-width: 200px;
    padding: 15px 20px;
    border: 2px solid #667eea;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.email-form input:focus {
    outline: none;
    border-color: #764ba2;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.email-form button {
    padding: 15px 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.email-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.email-form button:active {
    transform: translateY(0);
}

.message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    display: none;
    font-weight: 600;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

@media (max-width: 600px) {
    .container {
        padding: 40px 25px;
    }

    h1 {
        font-size: 36px;
    }

    .subtitle {
        font-size: 16px;
    }

    .countdown {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .countdown-number {
        font-size: 24px;
    }

    .email-form {
        flex-direction: column;
    }

    .email-form input,
    .email-form button {
        width: 100%;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}