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

:root {
    --primary-color: #000;
    --secondary-color: #fff;
    --accent-color: #4F46E5;
    --text-gray: #6B7280;
    --border-gray: #E5E7EB;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #f0f0f0 0%, #e8e8e8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.container {
    text-align: center;
    padding: 40px;
    max-width: 900px;
    width: 100%;
}

.logo {
    margin-bottom: 3rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.logo svg {
    width: 80px;
    height: 80px;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.heading {
    font-size: 72px;
    font-weight: 700;
    line-height: 1.1;
    color: #000;
    margin-bottom: 30px;
    letter-spacing: -2px;
}

.subheading {
    font-size: 22px;
    font-weight: 400;
    line-height: 1.5;
    color: #666;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: #000;
    color: white;
    border: none;
    padding: 18px 40px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 0 #333, 0 8px 16px rgba(0, 0, 0, 0.1);
    position: relative;
    top: 0;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    background: #222;
    transform: translateY(2px);
    box-shadow: 0 2px 0 #333, 0 4px 8px rgba(0, 0, 0, 0.1);
}

.cta-button:active {
    transform: translateY(4px);
    box-shadow: 0 0 0 #333, 0 2px 4px rgba(0, 0, 0, 0.1);
}

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: var(--secondary-color);
    margin: 10% auto;
    padding: 2rem;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    position: relative;
    animation: slideIn 0.3s;
}

@keyframes slideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close {
    color: var(--text-gray);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

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

.modal h2 {
    margin-bottom: 1rem;
}

.modal p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

#waitlist-form {
    display: flex;
    gap: 1rem;
}

#waitlist-form input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--border-gray);
    border-radius: 8px;
    font-size: 1rem;
}

#waitlist-form input:focus {
    outline: none;
    border-color: var(--accent-color);
}

#waitlist-form button {
    padding: 0.75rem 2rem;
    background: var(--accent-color);
    color: var(--secondary-color);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

#waitlist-form button:hover {
    background: #4338CA;
}

@media (max-width: 768px) {
    .heading {
        font-size: 48px;
        letter-spacing: -1px;
    }
    
    .subheading {
        font-size: 18px;
    }
    
    .logo svg {
        width: 64px;
        height: 64px;
    }
    
    .cta-button {
        font-size: 16px;
        padding: 16px 32px;
    }
    
    #waitlist-form {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .heading {
        font-size: 36px;
    }
    
    .subheading {
        font-size: 16px;
    }
    
    .container {
        padding: 20px;
    }
}