:root {
    --primary-color: #f0f3f9;
    --secondary-color: #4169e1;
    --link-color: #5d92fe;
    --link-hover-color: #8fb5ff;
    --dark-color: #292929;
    --light-color: #ffffff;
    --primary-white-color: #F6F9FE;
}

/* Background classes */
.bg-primary {
    background-color: var(--primary-color);
}
.bg-secondary {
    background-color: var(--secondary-color);
}
.bg-white {
    background-color: var(--primary-white-color);
}
.bg-dark {
    background-color: var(--dark-color);
    color: var(--light-color);
}

/* Link classes */
a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    color: var(--link-hover-color);
    text-decoration: dashed;
}

/* Container classes */
.container {
    padding: 2rem;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1.5rem;
    font-weight: 100;
    margin: 0;
    padding: 0;
}

main {
    margin: 1rem auto;
    max-width: 1000px;
}

footer {
    padding: 1rem 2rem;
    text-align: center;
}

/* Spacing classes */
.gap-y {
    margin: 1rem 0;
}
.gap-x {
    margin: 0 1rem;
}
.flex-gap {
    gap: 1rem;
}

/* Alignment classes */
.text-center {
    text-align: center;
}
.text-right {
    text-align: right;
}
.float-right {
    float: right;
}

/* Card classes */
.card {
    display: flex;
    border: 0.1rem solid rgba(0, 0, 0, 0.5);
    border-radius: 2rem 1rem;
    padding: 1rem;
}

.card img {
    position: absolute;
    right: 0;
    background-clip: border-box;
    mix-blend-mode: color-burn;
}

.card-content {
    flex: 1;
}

.card-title {
    font-size: 2rem;
    font-weight: 500;
    padding: 1rem;
}

.card-description {
    padding: 1rem;
}

/* Transitions and animation classes */
.appear {
    opacity: 0;
    transition: all var(--duration) ease-in;
}
.appear.show {
    opacity: 1;
    transition: all var(--duration) ease-in;
}
@media only screen and (min-width: 600px)  {
    .slide-left {
        transform: translateX(100%);
    }
    .slide-left.show {
        animation: slide-in var(--duration) forwards;
        -webkit-animation: slide-in var(--duration) forwards;
    }  
}
@keyframes slide-in {
    100% { transform: translateX(0%); }
}
/*
.start {
    transform: translateX(0) translateZ(0);
    transition-delay: 0.5s;
    transition: all var(--duration) ease-in;
}*/

.progress-bar {
    margin: 0;
    padding: 0;
    height: 0.5rem;
    width: var(--scroll-pc);
}
.progress-bar.shadowed {
    box-shadow: 0.2rem 0.2rem 0.2rem rgba(0,0,0,0.5);
}

.progress-bar-h {
    height: var(--scroll-pc);
}

/*
body {
    background-image: linear-gradient(135deg, #a0a0a0 var(--scroll-pc), cyan);
}
*/

.border-bottom {
    border-bottom: 0.5rem solid var(--secondary-color);
}

.fixed-top {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 0;
    margin: 0;
}

.side-links {
    margin: 5rem 0;
    padding: 0;
}
.side-links li {
    border: 0.1rem solid black;
    list-style-type: none;
    padding: 0.5rem 1rem;
    margin: 1rem auto;

    font-size: 2rem;
    line-height: 3rem;
    border-radius: 3rem;
    text-align: center;
}
.side-links li a {
    text-decoration: none;
    user-select: none;
    color: inherit;
}
.side-links li::after {
    content: "\2192";
    float: right;
    margin: auto;
}
.side-links li:hover {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
    cursor: pointer;
    transform: scale(1.05); /*  translateX(100px); */
    transition: transform 0.7s ease;
}

.flex-center {
    display: flex;
    justify-content: center;
}

/* Sizing */
.max-width-full {
    max-width: 100%;
}
.max-width-100 {
    max-width: 200px;
}

.text-warning {
    color: #f3e300;
}

.font-weight-bold {
    font-weight: bold;
}