/* ==========================================================================
   Jhair Gallardo - personal website
   Layout inspired by the Owlstown "Argyle" theme: fixed header, banner,
   sidebar with avatar overlapping the banner, single content column.
   ========================================================================== */

:root {
    --text: #212121;
    --muted: rgba(0, 0, 0, 0.54);
    --accent: #1070a0;
    --accent-hover: #075f86;
    --chrome: #f0f0f0;
    --background: #ffffff;
    --border: #cccccc;
    --hairline: #e6e6e6;
    --hover: #f5f5f5;

    --header-height: 64px;
    --container: 960px;
    --gutter: 24px;
    --font: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

/* Base
   ========================================================================== */

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.5;
    color: var(--text);
    background-color: var(--background);
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

a:hover,
a:focus {
    color: var(--accent-hover);
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

h1,
h2,
h3 {
    margin: 0;
    font-weight: 700;
    line-height: 1.2;
}

p {
    margin: 0 0 16px;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 8px;
    z-index: 20;
    padding: 8px 12px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 4px;
}

.skip-link:focus {
    top: 8px;
}

/* Header
   ========================================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    height: var(--header-height);
    background-color: var(--chrome);
}

.site-header .container {
    display: flex;
    align-items: center;
    gap: 16px;
    height: 100%;
}

.site-title {
    font-size: 20px;
    font-weight: 700;
    line-height: 32px;
    white-space: nowrap;
    color: var(--text);
    text-decoration: none;
}

.site-title:hover,
.site-title:focus {
    color: var(--text);
}

.site-nav {
    display: flex;
    margin-left: auto;
}

.site-nav a {
    padding: 0 12px;
    line-height: 32px;
    white-space: nowrap;
    color: var(--text);
    text-decoration: none;
}

.site-nav a:last-child {
    padding-right: 0;
}

.site-nav a:hover,
.site-nav a:focus {
    color: var(--text);
    text-decoration: underline;
}

.site-nav a[aria-current="page"] {
    font-weight: 700;
}

.nav-toggle {
    display: none;
    flex: none;
    margin-left: auto;
    padding: 6px 8px;
    font-size: 22px;
    line-height: 1;
    color: var(--text);
    background: none;
    border: 0;
    border-radius: 4px;
    cursor: pointer;
}

.nav-toggle:hover,
.nav-toggle[aria-expanded="true"] {
    background-color: rgba(0, 0, 0, 0.06);
}

/* Banner
   ========================================================================== */

.banner {
    height: 240px;
    margin-top: var(--header-height);
    background: #1d2340 url("../images/banner.jpg") center / cover no-repeat;
}

/* Main layout
   ========================================================================== */

.site-main {
    min-height: calc(90vh - var(--header-height));
    padding-top: 48px;
}

.layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    column-gap: 32px;
}

/* Sidebar (stacked and centred on phones, a left column from 768px)
   ========================================================================== */

.sidebar {
    margin-bottom: 40px;
    text-align: center;
}

.avatar {
    position: relative;
    width: 240px;
    max-width: 100%;
    aspect-ratio: 1 / 1;
    margin: -168px auto 24px;
    object-fit: cover;
    object-position: center 35%;
    background-color: var(--border);
    box-shadow: 0 0 0 5px var(--background);
}

.sidebar-name {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.sidebar p {
    margin: 0;
}

.sidebar .sidebar-role {
    margin-top: 4px;
}

.sidebar .sidebar-affiliation {
    margin-top: 24px;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 20px;
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    text-decoration: none;
}

.social-links a:hover,
.social-links a:focus {
    color: var(--accent);
}

.social-links a:hover .social-label,
.social-links a:focus .social-label {
    text-decoration: underline;
}

.social-links i {
    width: 24px;
    font-size: 22px;
    text-align: center;
    color: var(--muted);
}

.social-links a:hover i,
.social-links a:focus i {
    color: var(--accent);
}

/* On phones the links are an icon row; labels stay available to screen readers. */
.social-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* Content typography
   ========================================================================== */

.page-title {
    font-size: 36px;
    letter-spacing: -0.02em;
}

.lead {
    margin: 12px 0 32px;
    font-size: 20px;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.section-title {
    margin: 48px 0 20px;
    font-size: 28px;
    letter-spacing: -0.01em;
}

.subsection-title {
    margin: 24px 0 8px;
    font-size: 20px;
    letter-spacing: -0.01em;
}

.muted {
    color: var(--muted);
}

/* Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font: inherit;
    font-size: 15px;
    line-height: 22px;
    color: var(--text);
    background-color: var(--background);
    border: 1px solid var(--border);
    border-radius: 4px;
    text-decoration: none;
    cursor: pointer;
}

.btn:hover,
.btn:focus {
    color: var(--text);
    background-color: var(--hover);
}

.btn i {
    font-size: 14px;
    color: var(--muted);
}

/* News
   ========================================================================== */

.news {
    margin: 0;
    padding: 0;
    list-style: none;
}

.news li {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    padding: 8px 0;
}

.news-date {
    font-weight: 700;
    color: var(--muted);
    white-space: nowrap;
}

.tag-new {
    display: inline-block;
    margin-right: 6px;
    padding: 0 8px;
    font-size: 12px;
    font-weight: 700;
    line-height: 18px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    vertical-align: 1px;
    color: #503600;
    background-color: #ffdf80;
    border: 1px solid #e4b64d;
    border-radius: 999px;
}

.news-older {
    margin-top: 12px;
}

.news-older summary {
    list-style: none;
}

.news-older summary::-webkit-details-marker {
    display: none;
}

.news-older summary i {
    transition: transform 150ms ease;
}

.news-older[open] summary i {
    transform: rotate(180deg);
}

.news-older .when-open,
.news-older[open] .when-closed {
    display: none;
}

.news-older[open] .when-open {
    display: inline;
}

.news-older .news {
    margin-top: 12px;
}

/* Publications
   ========================================================================== */

.pub {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}

.pub-thumb img {
    max-height: 220px;
    margin: 0 auto;
    object-fit: contain;
}

.pub-thumb:empty {
    display: none;
}

.pub-title {
    margin: 0 0 6px;
    font-size: 20px;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.pub-title a {
    text-decoration: none;
}

.pub-title a:hover,
.pub-title a:focus {
    text-decoration: underline;
}

.pub p {
    margin: 0;
}

.pub strong {
    white-space: nowrap;
}

.pub-note {
    font-size: 14px;
}

.pub-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.plain-list {
    margin: 0;
    padding-left: 20px;
}

.plain-list li {
    margin-bottom: 4px;
}

/* CV
   ========================================================================== */

.cv-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.cv-embed {
    display: none;
    width: 100%;
    aspect-ratio: 8.5 / 11;
    border: 1px solid var(--hairline);
}

/* Footer
   ========================================================================== */

.site-footer {
    margin-top: 64px;
    padding: 48px 0;
    text-align: center;
    background-color: var(--chrome);
}

.site-footer p {
    margin: 0 0 8px;
}

.site-footer p:last-child {
    margin-bottom: 0;
}

.site-footer a {
    color: var(--text);
}

.site-footer a:hover,
.site-footer a:focus {
    color: var(--accent);
}

/* Breakpoints
   ========================================================================== */

@media (max-width: 543px) {
    :root {
        --gutter: 16px;
    }
}

/* Below 768px the nav links don't fit next to the name, so they move into a
   dropdown opened by the menu button (see js/main.js). */
@media (max-width: 767px) {
    .nav-toggle {
        display: block;
    }

    .site-nav {
        display: none;
        position: absolute;
        top: calc(var(--header-height) - 8px);
        right: var(--gutter);
        flex-direction: column;
        min-width: 200px;
        padding: 4px 0;
        background-color: var(--background);
        border: 1px solid #eeeeee;
        border-radius: 4px;
        box-shadow: 0 1px 5px rgba(0, 0, 0, 0.1);
    }

    .site-nav.is-open {
        display: flex;
    }

    .site-nav a,
    .site-nav a:last-child {
        padding: 8px 16px;
        line-height: 24px;
    }

    .site-nav a:hover,
    .site-nav a:focus {
        text-decoration: none;
        background-color: var(--hover);
    }
}

@media (max-width: 399px) {
    .site-title {
        font-size: 17px;
    }
}

@media (min-width: 544px) {
    .news li {
        grid-template-columns: 88px minmax(0, 1fr);
        column-gap: 16px;
    }
}

@media (min-width: 768px) {
    .banner {
        height: 320px;
    }

    .layout {
        grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    }

    .sidebar {
        margin-bottom: 0;
        text-align: left;
    }

    /* Pull the avatar up so its top half overlaps the banner. */
    .avatar {
        width: 100%;
        margin: calc(-50% - 48px) 0 24px;
    }

    .social-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        margin-top: 32px;
    }

    .social-links i {
        font-size: 20px;
    }

    .social-label {
        position: static;
        width: auto;
        height: auto;
        overflow: visible;
        clip: auto;
    }

    .page-title {
        font-size: 40px;
    }

    .section-title {
        font-size: 32px;
    }

    .pub {
        grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
        gap: 24px;
    }

    .pub-thumb:empty {
        display: block;
    }

    .pub-thumb img {
        max-height: none;
        margin: 0;
    }

    .cv-embed {
        display: block;
    }

    .cv-mobile-note {
        display: none;
    }
}

@media (min-width: 992px) {
    .layout {
        grid-template-columns: minmax(0, 1fr) minmax(0, 3fr);
    }

    .page-title {
        font-size: 48px;
    }

    .section-title {
        font-size: 36px;
    }
}