:root {
    --primary-color: #00f2fe;
    --secondary-color: #4facfe;
    --bg-dark: #0a0a0c;
    --text-main: #ffffff;
    --text-muted: #a0a0b0;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --accent-glow: rgba(0, 242, 254, 0.4);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
}

.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, #1a1a2e 0%, #0a0a0c 100%);
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

header {
    margin-bottom: 4rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 0.5rem;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-weight: 300;
}

.countdown-container {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    justify-content: center;
}

.countdown-item {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 20px;
    min-width: 120px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.countdown-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: 0 0 20px var(--accent-glow);
}

.label {
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.signup-section {
    width: 100%;
    max-width: 500px;
    margin-bottom: 4rem;
}

#signup-form {
    display: flex;
    gap: 1rem;
    background: var(--glass-bg);
    padding: 0.5rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
}

input[type="email"] {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0 1.5rem;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
}

.cta-button {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    color: #000;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px var(--accent-glow);
}

.message {
    margin-top: 1rem;
    font-size: 0.9rem;
}

.success { color: #4caf50; }
.error { color: #f44336; }

footer {
    margin-top: auto;
}

.social-links {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    justify-content: center;
}

.social-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.social-link:hover {
    color: var(--primary-color);
}

.copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
}

@media (max-width: 600px) {
    .countdown-container {
        gap: 1rem;
    }
    .countdown-item {
        min-width: 100px;
        padding: 1.5rem;
    }
    #signup-form {
        flex-direction: column;
        border-radius: 20px;
        padding: 1rem;
    }
    .cta-button {
        width: 100%;
    }
}