@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@300..700&display=swap');

:root {
    --color-primary: #87CEEB;
    --color-secondary: #8B4513;
    --color-dark: #00008B;
    --color-light: #808080;
    --font-family-primary: 'Fira Code', Arial, Helvetica, sans-serif;
    --font-family-secondary: 'Fira Code', Arial, Helvetica, Roboto, sans-serif;

    /*// Global transition values*/
    --td: 150ms;
    --te: cubic-bezier(0.215, 0.61, 0.355, 1);
}

@font-face {
    font-family: 'Fira Code';
    src: url('fonts/FiraCode-VariableFont_wght.ttf') format('truetype');
}

body {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    height: 100vh;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: var(--color-primary);
    font-family: var(--font-family-primary);
}
.section-0 {
    grid-row: 1;
    grid-column: 1;
}
.section-1 {
    grid-row: 2;
    grid-column: 1;
}

.dropdown-btn {
    border: none;
    color: var(--color-light);
    background-color: var(--color-primary);

}

.submenu {
    text-decoration: none;
    font-size: 20px;
    color: var(--color-dark);
    padding: 10px 0;

    transform: translateY(200px);
    opacity: 0;
    animation: 2s slideUp ease forwards .5s;
    position: relative;

    .menu-item {
        padding: 5px 0;

        a {
            --fill-color: var(--color-secondary);
            position: relative;
            display: block;
            padding: 4px 0;
            font: 700 3rem Raleway, sans-serif;
            text-decoration: none;

            -webkit-text-stroke: 2px var(--color-secondary);
            background: linear-gradient(var(--color-dark) 0 100%) left / 0 no-repeat;
            color: transparent;
            background-clip: text;
            transition: 0.5s linear;

            &:hover {
                background-size: 100%;
            }
        }
    }
}
h1, .page-description {
    color: var(--color-dark);
}

@keyframes grow {
    100% {
        height: 90%;
        width: 90%;
    }
}

@keyframes fadeIn {
    100% {
        opacity: 1;
    }
}

@keyframes slideUp {
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.html{
    font-size: 62.5%;
}

.container{
    max-width: 1200px;
    width: 90%;
    margin: auto;
}

.navbar{
    box-shadow: 0px 5px 10px 0px var(--color-light);;
    position: fixed;
    width: 100%;
    background: var(--color-primary);
    color: #000;
    opacity: 0.85;
    z-index: 100;
}

.navbar-container{
    display: flex;
    justify-content: space-between;
    height: 64px;
    align-items: center;
}

.menu-items{
    order: 2;
    display: flex;
}
.logo{
    order: 1;
    font-size: 2.3rem;
}

.menu-items li{
    list-style: none;
    margin-left: 1.5rem;
    font-size: 1.3rem;
}

.navbar a{
    color: var(--color-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease-in-out;
}

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

@media (max-width: 777px){
    .navbar{
        opacity: 0.95;
    }

    .navbar-container{
        display: block;
        position: relative;
        height: 65px;
    }

    .navbar .menu-items{
        padding-top: 100px;
        background: var(--color-primary);
        height: 100vh;
        max-width: 300px;
        transform: translate(-150%);
        display: flex;
        flex-direction: column;
        margin-left: -40px;
        padding-left: 40px;
        transition: transform 0.5s ease-in-out;
        box-shadow:  5px 0px 10px 0px var(--color-light);;
        overflow: scroll;
    }

    .navbar .menu-items li{
        margin-bottom: 1.8rem;
        font-size: 1.1rem;
        font-weight: 500;
    }

    .logo{
        position: absolute;
        top: 10px;
        right: 15px;
        font-size: 2.5rem;
    }

}

@media (max-width: 500px){
    .navbar-container input[type="checkbox"]:checked ~ .logo{
        display: none;
    }
}

.ad-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-primary); /* Dark background to contrast with ads */
    color: #fff;
    padding: 10px 0;
    text-align: center;
    z-index: 1000; /* Ensures it stays on top of content */
    box-shadow: 0 -2px 5px rgba(0,0,0,0.2);
}

.footer-ad-slot {
    min-height: 50px; /* Standard mobile banner height */
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 5px;
}

.footer-links {
    font-size: 12px;
}

.footer-links a {
    color: #fff;
    text-decoration: none;
}

@media (max-width: 600px) {
    .footer-ad-slot {
        min-height: 50px; /* Mobile banner size */
    }
}
@media (min-width: 728px) {
    .footer-ad-slot {
        min-height: 70px; /* Leaderboard size */
    }
}