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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --border: #333333;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    position: relative;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
    z-index: 1;
}

.title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    font-weight: 300;
}

.main {
    max-width: 600px;
    width: 100%;
    z-index: 1;
}

.content {
    text-align: center;
}

.description {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.email-signup {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
}

.email-signup h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.signup-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.signup-form input {
    padding: 1rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.signup-form input:focus {
    border-color: var(--accent);
}

.signup-form input::placeholder {
    color: var(--text-secondary);
}

.signup-form button {
    padding: 1rem 2rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
}

.signup-form button:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

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

.footer {
    margin-top: 4rem;
    text-align: center;
    z-index: 1;
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .email-signup {
        padding: 2rem;
    }
    
    .signup-form {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .signup-form {
        flex-direction: column;
    }
}