:root {
    --primary: #00d2ff;
    --secondary: #3a7bd5;
    --dark: #0f172a;
    --bg-dark: #020617;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #22d3ee;
    --glass: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.hero-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at top right, rgba(0, 210, 255, 0.1), transparent),
                radial-gradient(circle at bottom left, rgba(58, 123, 213, 0.1), transparent);
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    filter: blur(5px);
}

.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;
}

.glass-card {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    max-width: 800px;
    width: 100%;
    animation: fadeInUp 1s ease-out;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 2rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.logo span {
    color: var(--text);
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #00d2ff, #3a7bd5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p.subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Countdown */
.countdown {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 12px;
    min-width: 80px;
    margin-bottom: 0.5rem;
}

.countdown-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

/* Form */
.newsletter-form {
    display: flex;
    gap: 0.5rem;
    max-width: 500px;
    width: 100%;
    margin: 0 auto 3rem;
}

input[type="email"] {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    color: white;
    outline: none;
    transition: border-color 0.3s;
}

input[type="email"]:focus {
    border-color: var(--primary);
}

button {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 210, 255, 0.3);
}

/* Social */
.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.social-links a {
    color: var(--text-muted);
    font-size: 1.25rem;
    transition: color 0.3s, transform 0.3s;
}

.social-links a:hover {
    color: var(--primary);
    transform: translateY(-3px);
}

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

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .countdown { gap: 0.75rem; }
    .countdown-value { min-width: 60px; font-size: 1.75rem; padding: 0.75rem; }
    .newsletter-form { flex-direction: column; }
    .glass-card { padding: 2rem 1.5rem; }
}