style.css

/* Tailwind styles */
:root {
    /* Font Sizes */
    --text-xs-font-size: 0.75rem; /* 12px */
    --text-sm-font-size: 0.875rem; /* 14px */
    --text-base-font-size: 1rem; /* 16px */
    --text-lg-font-size: 1.125rem; /* 18px */
    --text-xl-font-size: 1.25rem; /* 20px */
    --text-2xl-font-size: 1.5rem; /* 24px */
    --text-3xl-font-size: 1.875rem; /* 30px */
    --text-4xl-font-size: 2.25rem; /* 36px */
    --text-5xl-font-size: 3rem; /* 48px */
    --text-6xl-font-size: 3.75rem; /* 60px */
    --text-7xl-font-size: 4.5rem; /* 72px */
    --text-8xl-font-size: 6rem; /* 96px */
    --text-9xl-font-size: 8rem; /* 128px */

    /* Line Heights */
    --text-xs-line-height: 1rem; /* 16px */
    --text-sm-line-height: 1.25rem; /* 20px */
    --text-base-line-height: 1.5rem; /* 24px */
    --text-lg-line-height: 1.75rem; /* 28px */
    --text-xl-line-height: 1.75rem; /* 28px */
    --text-2xl-line-height: 2rem; /* 32px */
    --text-3xl-line-height: 2.25rem; /* 36px */
    --text-4xl-line-height: 2.5rem; /* 40px */
    --text-5xl-line-height: 1;
    --text-6xl-line-height: 1;
    --text-7xl-line-height: 1;
    --text-8xl-line-height: 1;
    --text-9xl-line-height: 1;

    /* Colors */
    --red-50: rgb(254 242 242);
    --red-100: rgb(254 226 226);
    --red-200: rgb(254 202 202);
    --red-300: rgb(252 165 165);
    --red-400: rgb(248 113 113);
    --red-500: rgb(239 68 68);
    --red-600: rgb(220 38 38);
    --red-700: rgb(185 28 28);
    --red-800: rgb(153 27 27);
    --red-900: rgb(127 29 29);
    --red-950: rgb(69 10 10);

    /* Generated with https://www.genomecolor.space/ #073349 */
    --bg-blue-uvigo-50: #DDE3E6;
    --bg-blue-uvigo-100: #8093A0;
    --bg-blue-uvigo-200: #708795;
    --bg-blue-uvigo-300: #627A8A;
    --bg-blue-uvigo-400: #546E7F;
    --bg-blue-uvigo-500: #456275;
    --bg-blue-uvigo-600: #284A5E;
    --bg-blue-uvigo-700: #073349;
    --bg-blue-uvigo-800: #05293B;
    --bg-blue-uvigo-900: #041E2C;

    /* Box Shadow */
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    /* Input styles */
    --input-bg: hsl(0 0% 98.5% / 1);
    --input-border: hsl(0 0% 83% / 1);
}

/* Font imports */
@font-face {
    font-family: "Campus Simple";
    src: url("/assets/fonts/CAMPUS_SIMPLE.ttf") format("truetype");
}

/* Enable cross-document view transitions */
@view-transition {
    navigation: auto;
}

/* CSS Reset */
* {
    margin: 0;
    padding: 0;
    font-family: "Roboto Flex", system-ui, -apple-system, sans-serif;
}

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

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

    &:hover {
        text-decoration: underline;
    }
}

/* Common layout */
body {
    display: flex;
    min-height: 100svh;
    flex-direction: column;

    > * {
        width: 100%;
    }
}

main {
    flex: 1;
}

.container {
    padding-inline: 20px;
    margin-inline: auto;
    max-inline-size: 1180px;
}

/* Common SVG styles */
svg-icon {
    display: contents;
}

img, svg {
    vertical-align: middle;
}

/* Common styles */
.uvigo-bg {
    background-color: var(--bg-blue-uvigo-700);
    color: white;
}

/* Buttons */
.primary-button, .secondary-button {
    padding: 8px 16px;
    border-radius: 4px;
    font-size: var(--text-sm-font-size);
    line-height: var(--text-sm-line-height);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    transition: background-color 0.2s;
}

.primary-button {
    background-color: var(--bg-blue-uvigo-700);
    color: white;
    border: none;
    font-weight: 500;
}

.primary-button:hover {
    background-color: var(--bg-blue-uvigo-500);
}

.primary-button:focus {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--bg-blue-uvigo-300) 50%, transparent);
}

.secondary-button {
    background: white;
    color: var(--bg-blue-uvigo-700);
    border: 1px solid var(--bg-blue-uvigo-200);
}

.secondary-button:hover {
    background-color: var(--bg-blue-uvigo-50);
}

.secondary-button:focus {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--bg-blue-uvigo-300) 50%, transparent);
}

/* Form styles */
.form-label {
    display: block;
    font-size: var(--text-sm-font-size);
    line-height: var(--text-sm-line-height);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    background-color: var(--input-bg);
    transition: border-color 0.2s, box-shadow 0.2s;

    font-size: var(--text-base-font-size);
    line-height: var(--text-base-line-height);
}

.form-input:focus {
    outline: none;
    border-color: var(--bg-blue-uvigo-600);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--bg-blue-uvigo-100) 25%, transparent);
}

.message {
    font-size: var(--text-sm-font-size);
    line-height: var(--text-sm-line-height);
    margin-top: 0.5rem;
}

.error {
    > .form-label {
        color: var(--red-700);
    }

    > .form-input {
        color: var(--red-900);
        border-color: var(--red-500);
        background-color: var(--red-50);

        &:focus {
            box-shadow: 0 0 0 3px color-mix(in srgb, var(--red-100) 100%, transparent);
        }
    }

    > .message {
        color: var(--red-600);
    }
}

/* Loading styles */
/* Basic styling for the shimmer container */
:is([data-i18n], [data-db-text]):not(.loaded) {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    color: transparent !important;

    &:is(a, span) {
        display: inline-block;
    }
}

/* Shimmer effect with a semi-transparent gradient */
:is([data-i18n], [data-db-text]):not(.loaded)::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(200, 200, 200, 0) 0%, rgba(200, 200, 200, 0.5) 50%, rgba(200, 200, 200, 0) 100%);
    animation: shimmer 2s infinite;
}

/* Animation for the shimmer effect */
@keyframes shimmer {
    100% {
        left: 100%;
    }
}

/* Header - Common styles */
.top-header, .bottom-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

/* Top header */
.top-header {
    height: 60px;
    font-size: var(--text-xs-font-size);
    line-height: var(--text-xs-line-height);
}

.top-links {
    display: flex;
    gap: 16px;
    align-items: center;

    svg {
        width: 20px;
        height: 20px;
    }
}

.sign-in {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s ease;
    border-radius: 4px;
    padding: 8px 10px 8px 8px;

    &:hover {
        background-color: #03121a;
    }
}

.language-list {
    display: flex;
    list-style-type: none;
}

.language-list li {
    /* Not done this way as the keyboard focus would also include the padding */
    /* a { padding-inline: 6px; }
    &:first-child a { padding-inline-start: 0; }
    &:last-child a { padding-inline-end: 0; } */

    margin-inline-end: 6px;

    &:last-child {
        margin-inline-end: 0;
    }

    & + li::before {
        content: "/";
        margin-inline-end: 6px;
    }
}

/* Bottom header */
.bottom-header {
    min-height: 100px;
}

.pseduca-logo {
    font-family: "Campus Simple", system-ui;
    text-transform: uppercase;
    font-size: 56px;
    line-height: var(--text-6xl-font-size);
    color: #666;
}

.nav-menu ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 40px;
}

.nav-menu a {
    color: var(--bg-blue-uvigo-700);
    font-size: var(--text-lg-font-size);
    line-height: var(--text-lg-line-height);
}

/* Responsive styles */
.mobile-menu-toggle {
    display: none;
    height: 100px;
    align-content: center;
    cursor: pointer;

    input {
        display: none;
    }
}

@media (width < 1280px) {
    .mobile-menu-toggle {
        display: block;
        position: relative;

        input {
            display: initial;
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        input:focus-visible + label {
            outline: 2px solid #000;
            outline-offset: 2px;
            border-radius: 2px;
        }
    }

    .nav-menu {
        flex-basis: 100%;

        ul {
            flex-direction: column;
            align-items: center;
            gap: 20px;
            padding-block: 10px 30px;
        }
    }

    @supports not (height: calc-size(max-content, size)) {
        .nav-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .mobile-menu-toggle:has(input:checked) ~ .nav-menu {
            max-height: 1000px; /* Adjust based on your content height */
        }
    }

    @supports (height: calc-size(max-content, size)) {
        .nav-menu {
            height: 0;
            overflow: hidden;
            transition: height 0.35s ease;
        }

        .mobile-menu-toggle:has(input:checked) ~ .nav-menu {
            height: calc-size(max-content, size);
        }
    }
}

/* Breadcumb navigation */
.breadcrumb-nav ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 20px 0 30px;
    padding: 0;
    font-size: var(--text-xs-font-size);
    line-height: var(--text-xs-line-height);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.breadcrumb-nav li {
    color: #809098;

    &:last-child {
        color: #939393;
    }
}

.breadcrumb-nav li:not(:last-child)::after {
    display: inline-block;
    margin: 0 4px;
    color: #cfcfcf;
    content: "/";
}

/* Main section title */
.main-section-title {
    font-size: var(--text-5xl-font-size);
    line-height: var(--text-5xl-line-height);
    font-weight: 100;
    margin-bottom: 30px;
}

.subsection-title {
    font-size: var(--text-3xl-font-size);
    line-height: var(--text-3xl-line-height);
    font-weight: 100;
    margin-block: 30px;
}

/* Footer */
footer {
    font-size: var(--text-base-font-size);
    line-height: var(--text-base-line-height);
    font-weight: 300;
    padding: 40px 0 30px;
}

footer section .expandable-content > *:first-child {
    margin-top: 30px;
}

footer section .expandable-content > *:not(:last-child) {
    margin-bottom: 30px;
}

/* Logos */
.university-logos {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.university-logos img {
    max-height: 80px;
}

/* Fixed content */
.fixed-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.expand-button {
    margin-left: 1rem;

    #expand-footer-toggle {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    #expand-footer-toggle + label {
        cursor: pointer;

        &:hover {
            text-decoration: underline;
        }
    }

    #expand-footer-toggle:focus-visible + label {
        outline: 2px solid #fff;
        outline-offset: 2px;
        border-radius: 2px;
    }

    #expand-footer-toggle + label::before {
        transition: transform 0.35s ease;
    }

    #expand-footer-toggle:checked + label::before {
        transform: rotate(90deg);
    }
}

/* Expandable content */
@supports not (height: calc-size(max-content, size)) {
    .expandable-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
    }

    .fixed-content:has(#expand-footer-toggle:checked) ~ .expandable-content {
        max-height: 1000px; /* Adjust based on your content height */
    }
}

@supports (height: calc-size(max-content, size)) {
    .expandable-content {
        height: 0;
        overflow: hidden;
        transition: height 0.35s ease;
    }

    .fixed-content:has(#expand-footer-toggle:checked) ~ .expandable-content {
        height: calc-size(max-content, size);
    }
}

/* Contact section & Additional links */
.contact-information, .additional-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    grid-auto-flow: dense;
}

#expand-footer-toggle + label,
:is(.contact-info, .campus-info) > *,
.additional-links a {
    display: flex;
    line-height: 20px;
    max-width: max-content;

    &:not(:last-child) {
        margin-bottom: 4px;
    }
}

#expand-footer-toggle + label::before,
:is(.contact-info, .campus-info) > *::before,
.additional-links a::before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-inline-end: 6px;
}

.contact-info > *:nth-child(1)::before {
    background-color: white;
    mask: url("/assets/fluent-ui-icons/call-20-filled.svg") no-repeat;
    mask-size: cover;
}

.campus-info > *:nth-child(1)::before {
    background-color: white;
    mask: url("/assets/fluent-ui-icons/location-20-filled.svg") no-repeat;
    mask-size: cover;
}

#expand-footer-toggle + label::before,
:is(.contact-info, .campus-info) > *:nth-child(3)::before,
.additional-links a::before {
    background-color: white;
    mask: url("/assets/fluent-ui-icons/chevron-right-20-filled.svg") no-repeat;
    mask-size: cover;
}

#campus-do-mar::before {
    mask: url("/assets/uvigo-icons/campus-do-mar.svg") no-repeat;
    mask-size: initial;
}

/* Bottom links */
.bottom-links ul {
    display: flex;
    list-style: none;
    font-size: var(--text-xs-font-size);
    line-height: var(--text-xs-line-height);
}

.bottom-links li {
    a {
        padding-inline: 12px;
    }

    &:first-child a {
        padding-inline-start: 0;
    }

    &:last-child a {
        padding-inline-end: 0;
    }

    & + li::before {
        content: "|";
    }
}