:root {
    --bg-color: #0b0f19;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --accent-blue: #00f2fe;
    --accent-purple: #4facfe;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.08);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Cyberpunk ambient glow effect */
.background-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, rgba(79, 172, 254, 0.05) 50%, transparent 100%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
}

.container {
    position: relative;
    z-index: 2;
    max-width: 800px;
    width: 100%;
    padding: 2rem;
    text-align: center;
}

/* Typography styles */
.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 4px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 3rem;
}

.logo span {
    font-weight: 500;
    filter: brightness(1.2);
}

h1 {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #ffffff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tagline {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto 3rem auto;
}

/* Countdown Grid */
.countdown-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto 3.5rem auto;
}

.time-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 1.2rem 0;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.time-num {
    display: block;
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-blue);
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

.time-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-top: 0.25rem;
    display: block;
}

/* Call To Action Form */
.signup-container h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.signup-container p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.signup-form {
    display: flex;
    max-width: 480px;
    margin: 0 auto;
    gap: 0.5rem;
    background: var(--card-bg);
    padding: 0.4rem;
    border-radius: 30px;
    border: 1px solid var(--border-color);
}

.signup-form input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0.8rem 1.5rem;
    color: #fff;
    font-size: 1rem;
    outline: none;
}

.signup-form input::placeholder {
    color: #4b5563;
}

.signup-form button {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: #0b0f19;
    border: none;
    padding: 0.8rem 1.8rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 25px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.signup-form button:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
}

.message {
    margin-top: 1rem;
    font-size: 0.9rem;
    min-height: 20px;
}

.message.success { color: #10b981; }
.message.error { color: #ef4444; }

footer {
    margin-top: 5rem;
    font-size: 0.8rem;
    color: #4b5563;
}

/* Responsive adjustments */
@media (max-width: 600px) {
    h1 { font-size: 2rem; }
    .countdown-container { gap: 0.5rem; }
    .time-num { font-size: 1.5rem; }
    .signup-form {
        flex-direction: column;
        background: transparent;
        border: none;
        padding: 0;
    }
    .signup-form input {
        background: var(--card-bg);
        border: 1px solid var(--border-color);
        border-radius: 25px;
        margin-bottom: 0.5rem;
    }
}