@import url('https://fonts.googleapis.com/css2?family=Markazi+Text:wght@400..700&display=swap');

* {
    margin: 0;
    padding: 0;
    text-decoration: none;
}

:root {
    color-scheme: light dark;

    /* Base Neutrals */
    --black: light-dark(hsl(70, 5%, 0%), hsl(70, 10%, 90%));
    --white: light-dark(hsl(70, 10%, 100%), hsl(70, 5%, 10%));
    /* Backgrounds */
    --bg-dark:  light-dark(hsl(71, 58%, 73%), hsl(224, 14%, 10%));
    --bg:       light-dark(hsl(70, 58%, 79%), hsl(224, 14%, 14%));
    --bg-light: light-dark(hsl(70, 57%, 84%), hsl(224, 12%, 20%));
    /* Typography */
    --text:       light-dark(hsl(224, 12%, 18%), hsl(224, 20%, 93%));
    --text-muted: light-dark(hsl(224, 7%, 43%), hsl(224, 10%, 65%));
    /* Brand Accents */
    --primary:   light-dark(hsl(70, 67%, 46%), hsl(70, 50%, 60%));
    --secondary: light-dark(hsl(21, 98%, 49%), hsl(21, 95%, 60%));
    --tertiary:  light-dark(hsl(221, 94%, 50%), hsl(215, 90%, 65%));
    /* Alpha/Glass Variants & Borders */
    --primary-glass: light-dark(hsla(70, 67%, 46%, 0.2), hsla(70, 50%, 60%, 0.15));
    --border:        light-dark(hsl(70, 10%, 30%), hsl(224, 12%, 25%));
    --shadow:        light-dark(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.4));

    --h1: 700 56px "Markazi Text", serif;
    --h2: 700 42px "Markazi Text", serif;
    --h3: 600 36px "Markazi Text", serif;
    --h4: 600 28px "Markazi Text", serif;
    --h5: 500 22px "Markazi Text", serif;
    --p: 400 24px "Markazi Text", serif;
    --a: 400 24px "Markazi Text", serif;
    --link: 400 30px "Markazi Text", serif;
    --small1: 6px;
    --small2: 12px;
    --small3: 18px;
    --small4: 24px;
    --small5: 30px;
    --small6: 36px;
    --small7: 42px;
    --small8: 48px;
    --small9: 54px;
    --medium1: 60px;
    --medium2: 72px;
    --medium3: 84px;
    --medium4: 96px;
    --medium5: 108px;
    --medium6: 120px;
    --medium7: 132px;
    --medium8: 144px;
    --medium9: 156px;
    --big1: 178px;
    --big2: 202px;
    --big3: 226px;
    --big4: 250px;
    --big5: 274px;
    --big6: 298px;
    --big7: 322px;
    --big8: 346px;
    --big9: 370px;
}

/* Global Styles */
html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    font: var(--p);
    color: var(--text);
    overflow-x: hidden;
}

html, body {
    margin: 0;
    padding: 0;
}

#main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--small6);
    padding: 0;
}

h1 {
    font: var(--h1);
}

h2 {
    font: var(--h2);
}

h3 {
    font: var(--h3);
}

h4 {
    font: var(--h4);
}

h5 {
    font: var(--h5);
}

p {
    font: var(--p);
    color: var(--text-muted);
}

a {
    font: inherit;
    color: inherit;
    text-decoration: none;
}

.btn, button {
    font: var(--p);
    padding: var(--small1) var(--small3);
    border-radius: var(--small4);
    border: none;
    cursor: pointer;
}

.btn:hover, button:hover {
    background-color: var(--secondary);
    color: var(--white);
    transition: 0.3s ease-in-out;
}

@media (max-width: 500px) {
    h1 {
        font: var(--h2);
    }

    h2 {
        font: var(--h3);
    }

    h3 {
        font: var(--h4);
    }
}

/* Utility Classes */
section {
    width: 100%;
    height: auto;
    padding: var(--medium3);
    padding-top: var(--small5);
    padding-bottom: var(--small5);
}

.light-section {
    background-color: var(--bg-light);
}

.medium-section {
    background-color: var(--bg);
}

.dark-section {
    background-color: var(--bg-dark);
}

.content {
    width: 75%;
}

.center {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.center-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.span {
    height: 100%;
    width: 100%;
}

.hidden {
    display: none;
}

.flex {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.flex-column {
    flex-direction: column;
}

.reverse {
    flex-direction: row-reverse;
}

.tiny {
    font-size: 12px
}

@media (min-width : 500px) {
    .hideOnDesktop {
        display: none;
    }
}

@media (max-width: 500px) {
    .hideOnMobile {
        display: none;
    }
}

/* Header Styles */
nav {
    background-color: var(--bg-light);
    box-shadow: 3px 3px 5px var(--shadow);
    position: sticky;
    top: 0;
}

nav ul {
    width: 100%;
    list-style: none;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

nav li {
    height: var(--medium3);
}

nav a {
    font: var(--link);
    color: var(--text);
    height: 100%;
    padding: 0 var(--small6);
    text-decoration: none;
    display: flex;
    align-items: center;
}

nav a:not(:has(svg)):hover {
    background: var(--secondary);
    color: var(--white);
}

nav li:first-child {
    margin-right: auto;
}

.sidebar {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 200px;
    z-index: 999;
    background-color: var(--primary-glass);
    backdrop-filter: blur(var(--small2));
    box-shadow: -10px 0 var(--small2) var(--shadow);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
}

.sidebar li {
    width: 100%;
}

.sidebar a {
    width: 100%;
}

.menu-button {
    display: none;
}

@media (max-width: 500px) {
    .menu-button {
        display: block;
    }
}

@media (max-width: 500px) {
    #main-content {
        padding: 0 var(--small2);
    }

    section {
        padding: var(--small2);
    }
}

@media (max-width: 500px) {
    .sidebar {
        width: 100%;
    }
}

/* Toast Styles */
.toast-container {
    position: fixed;
    left: 50%;
    bottom: var(--small4);
    transform: translateX(-50%);
    align-items: center;
    z-index: 500;
    pointer-events: none;
    width: auto;
    max-width: calc(100% - (var(--small5) * 2));
}

#toast {
    pointer-events: auto;
    border-radius: var(--small5);
    padding: var(--small2) var(--small4);
    background-color: var(--secondary);
    color: var(--white);
    transform: translateY(10px);
    opacity: 0;
    transition: transform 220ms cubic-bezier(.2,.9,.2,1), opacity 220ms ease;
    width: 100%;
    box-sizing: border-box;
}

#toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Footer Styles */
footer {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    background-color: hsl(224, 12%, 18%);
    box-shadow: -3px -3px 5px var(--shadow);
    padding: var(--small4);
    bottom: 0;
}

footer ul {
    display: flex;
    flex-direction: column;
    justify-self: center;
    list-style: none;
}

footer li, footer a {
    color: hsl(71, 58%, 73%);
}

footer a.muted {
    color: hsl(70, 57%, 84%);
}