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

body {
    font-family: 'Montserrat', sans-serif;
    background-color: #0d0d0d;
    color: #fff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

header {
    background-color: #111;
    padding: 20px 0;
    text-align: center;
    border-bottom: 2px solid #222;
}

.logo {
    font-size: 2.5rem;
    color: #f4f4f4;
    text-transform: uppercase;
    letter-spacing: 5px;
    font-weight: 700;
    opacity: 0;
    animation: fadeInLogo 1.5s forwards;
}

.intro {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 50px 20px;
    background-color: #0d0d0d;
}

.tagline {
    font-size: 2.2rem;
    color: #00e6e6;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 20px;
    font-weight: 700;
    opacity: 0;
    animation: slideIn 1.8s ease-out forwards;
}

.description {
    max-width: 600px;
    font-size: 1.2rem;
    color: #ccc;
    margin-bottom: 30px;
    line-height: 1.6;
    opacity: 0;
    animation: fadeInText 2s forwards;
}

.email-btn {
    font-size: 1rem;
    color: #00e6e6;
    text-transform: uppercase;
    border: 2px solid #00e6e6;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    opacity: 0;
    animation: fadeInButton 2.2s forwards;
}

.email-btn:hover {
    background-color: #00e6e6;
    color: #0d0d0d;
    transform: translateY(-5px);
}

footer {
    background-color: #111;
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
    border-top: 2px solid #222;
    opacity: 0;
    animation: fadeInFooter 2.5s forwards;
}

footer p {
    color: #888;
    letter-spacing: 2px;
}

/* Animations */
@keyframes fadeInLogo {
    to {
        opacity: 1;
    }
}

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

@keyframes fadeInText {
    to {
        opacity: 1;
    }
}

@keyframes fadeInButton {
    to {
        opacity: 1;
    }
}

@keyframes fadeInFooter {
    to {
        opacity: 1;
    }
}

/* Mobile Optimization */
@media (max-width: 768px) {
    .logo {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.8rem;
        letter-spacing: 2px;
    }

    .description {
        font-size: 1rem;
    }

    .email-btn {
        font-size: 0.9rem;
        padding: 8px 16px;
    }

    footer p {
        font-size: 0.8rem;
        letter-spacing: 1px;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.8rem;
        letter-spacing: 3px;
    }

    .tagline {
        font-size: 1.5rem;
        letter-spacing: 1px;
    }

    .description {
        font-size: 0.9rem;
    }

    .email-btn {
        font-size: 0.8rem;
        padding: 6px 14px;
    }

    footer p {
        font-size: 0.75rem;
    }
}