/* --- Base & Reset Styles --- */
:root {
    --primary-color: #00ffff; /* Neon Cyan */
    --background-color: #0c0c14; /* Deep Space Blue */
    --text-color: #e0e0e0;
    --dark-grey: #1a1a2e;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    overflow-x: hidden;
}

/* --- Particle Background --- */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}

/* --- Main Content Container --- */
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

/* --- Typography & Text Elements --- */
.main-title {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #fff;
    text-shadow:
        0 0 5px var(--primary-color),
        0 0 10px var(--primary-color),
        0 0 20px var(--primary-color),
        0 0 40px #00aaff;
    animation: flicker 3s infinite alternate;
    margin-bottom: 1rem;
}

@keyframes flicker {
    0%, 18%, 22%, 25%, 53%, 57%, 100% {
        text-shadow:
            0 0 4px #fff,
            0 0 11px var(--primary-color),
            0 0 19px var(--primary-color),
            0 0 40px #00aaff,
            0 0 80px #00aaff;
    }
    20%, 24%, 55% {       
        text-shadow: none;
    }
}

.tagline {
    font-size: 1.2rem;
    max-width: 600px;
    margin-bottom: 2.5rem;
    line-height: 1.7;
    font-weight: 300;
}

/* --- Countdown Timer --- */
.countdown {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 10px;
    width: 100px;
    height: 100px;
    backdrop-filter: blur(5px);
}

.countdown-item span:first-child {
    font-size: 2.5rem;
    font-weight: 600;
    color: #fff;
}

.countdown-item span:last-child {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-color);
}

/* --- Subscription Form --- */
.subscription-form {
    margin-bottom: 2.5rem;
    width: 100%;
    max-width: 500px;
}

.form-title {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 400;
}

.subscription-form form {
    display: flex;
    gap: 0.5rem;
}

.subscription-form input {
    flex-grow: 1;
    padding: 0.8rem 1rem;
    border: 1px solid rgba(0, 255, 255, 0.3);
    background-color: var(--dark-grey);
    border-radius: 5px;
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.subscription-form input::placeholder {
    color: #888;
}

.subscription-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.subscription-form button {
    padding: 0.8rem 1.5rem;
    border: none;
    background-color: var(--primary-color);
    color: var(--background-color);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s, box-shadow 0.3s;
}

.subscription-form button:hover {
    background-color: #00e0e0;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 255, 0.3);
}

/* --- Social Links --- */
.social-links a {
    color: var(--text-color);
    font-size: 1.5rem;
    margin: 0 1rem;
    transition: color 0.3s, transform 0.3s;
}

.social-links a:hover {
    color: var(--primary-color);
    transform: scale(1.2);
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .main-title {
        font-size: 2.8rem;
    }
    .tagline {
        font-size: 1rem;
    }
    .countdown {
        gap: 0.8rem;
    }
    .countdown-item {
        width: 80px;
        height: 80px;
    }
    .countdown-item span:first-child {
        font-size: 2rem;
    }
    .subscription-form form {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 2rem;
    }
    .countdown {
        gap: 0.5rem;
    }
    .countdown-item {
        width: 70px;
        height: 70px;
    }
     .countdown-item span:first-child {
        font-size: 1.5rem;
    }
    .countdown-item span:last-child {
        font-size: 0.7rem;
    }
}