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

body, html {
    height: 100%;
    font-family: 'Courier New', Courier, monospace;
    background-color: #000;
    color: #fff;
}

/* General Styles */
a {
    text-decoration: none;
    color: inherit;
}

/* Navbar Styles */
.navbar {
    width: 100%;
    background-color: #111;
    padding: 10px 20px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo {
    color: #fff;
    font-size: 1.5em;
    font-weight: bold;
}

.navbar-menu {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-link {
    color: #fff;
    font-size: 1.1em;
    transition: color 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: #1e90ff;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger div {
    width: 25px;
    height: 3px;
    background-color: #fff;
    margin: 4px 0;
    transition: all 0.3s ease;
}

/* Intro Screen */
.intro-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    height: calc(100vh - 60px);
    padding-top: 60px;
    text-align: center;
}

.typing {
    font-size: 2em;
    max-width: 800px;
    line-height: 1.5;
    border-right: 0.15em solid white;
    animation: blink 0.75s step-end infinite alternate;
}

@keyframes blink {
    from { border-color: transparent; }
    to { border-color: white; }
}

/* Main Content */
.main-content {
    background-color: #f7f7f7;
    padding: 50px 20px;
    text-align: center;
    opacity: 0;
    transition: opacity 1s ease-in;
    color: #000;
    margin-top: -60px;
}

.main-content.visible {
    opacity: 1;
}

/* Options */
.options {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 20px;
}

.option {
    margin: 10px;
    padding: 15px 25px;
    border: 2px solid #000;
    border-radius: 5px;
    color: #000;
    font-size: 1.2em;
    transition: background-color 0.3s, color 0.3s;
}

.option:hover {
    background-color: #000;
    color: #fff;
}

/* Footer */
.footer {
    background-color: #111;
    color: #fff;
    text-align: center;
    padding: 20px;
    margin-top: 2em;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
        flex-direction: column;
        gap: 15px;
        background-color: #111;
        position: absolute;
        top: 60px;
        right: 0;
        width: 100%;
        padding: 20px;
    }

    .navbar-menu.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .typing {
        font-size: 1.5em;
    }

    .option {
        width: calc(50% - 40px);
    }
}

@media (max-width: 480px) {
    .option {
        width: calc(100% - 40px);
    }
}