/* ==========================================================================
   Matheus Cardoso — minimal CV site
   One light theme, system fonts. Shared header and footer are loaded
   with fetch() by src/main.js.
   ========================================================================== */

:root {
    --bg: #fcfcfa;
    --ink: #1a1a1a;
    --muted: #5e5e5e;
    --rule: #deded8;
    --rule-strong: #bcbcb5;
    --link: #0b5cad;
    --link-hover: #073f78;
    --code-bg: #f3f3ef;
    --selection: #dbe8f5;

    --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

    --measure: 46rem;
    --ease: 0.15s ease;
}

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

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

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

::selection {
    background: var(--selection);
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure,
blockquote,
pre {
    margin: 0;
    padding: 0;
}

ul,
ol {
    padding-left: 1.35rem;
}

li {
    margin-bottom: 0.35rem;
}

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

a {
    color: var(--link);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.16em;
    transition: color var(--ease);
}

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

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

/* Layout ------------------------------------------------------------------ */
.container {
    width: min(calc(100% - 2.5rem), var(--measure));
    margin-inline: auto;
    padding: 2.5rem 0 3.5rem;
}

.skip-link {
    position: fixed;
    top: -100px;
    left: 1rem;
    z-index: 10;
    padding: 0.5rem 0.8rem;
    background: var(--ink);
    color: var(--bg);
    font-size: 0.85rem;
    text-decoration: none;
}

.skip-link:focus {
    top: 1rem;
    color: var(--bg);
}

/* Header ------------------------------------------------------------------ */
.site-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.6rem 1.5rem;
    padding-bottom: 1.15rem;
    border-bottom: 1px solid var(--rule);
}

.site-title {
    color: var(--ink);
    font-size: 0.98rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    text-decoration: none;
}

.site-title:hover {
    color: var(--link);
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.15rem 0.9rem;
    font-size: 0.84rem;
    line-height: 1.6;
}

.site-nav a {
    padding: 0.2rem 0;
    border-bottom: 1px solid transparent;
    color: var(--muted);
    text-decoration: none;
}

.site-nav a:hover {
    border-bottom-color: var(--rule-strong);
    color: var(--ink);
}

.site-nav a[aria-current] {
    border-bottom-color: var(--ink);
    color: var(--ink);
}

/* Page content ------------------------------------------------------------ */
main {
    padding-top: clamp(2rem, 5vw, 3rem);
}

.page-header {
    margin-bottom: 2.5rem;
}

.eyebrow {
    margin-bottom: 0.45rem;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    letter-spacing: 0.02em;
}

h1 {
    margin-bottom: 0.7rem;
    font-size: clamp(1.75rem, 4vw, 2.15rem);
    font-weight: 600;
    line-height: 1.18;
    letter-spacing: -0.025em;
}

.page-header h1:last-child {
    margin-bottom: 0;
}

.lede {
    max-width: 64ch;
    margin-bottom: 0.9rem;
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.65;
}

.page-header .lede:last-child {
    margin-bottom: 0;
}

.meta {
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    line-height: 1.6;
}

.links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0.7rem;
    margin-top: 0.9rem;
    font-size: 0.92rem;
}

.links span {
    color: var(--rule-strong);
}

.section {
    margin-top: 2.75rem;
}

.section h2 {
    margin-bottom: 0.65rem;
}

h2 {
    margin-bottom: 0.9rem;
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.015em;
}

h3 {
    margin-bottom: 0.35rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

p,
ul,
ol,
dl {
    margin-bottom: 1rem;
}

p:last-child,
ul:last-child,
ol:last-child,
dl:last-child {
    margin-bottom: 0;
}

/* Index links on the home page ------------------------------------------- */
.index-list {
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--rule);
    list-style: none;
}

.index-list li {
    display: grid;
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
    margin: 0;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--rule);
}

.index-list a {
    font-weight: 500;
}

.index-list span {
    color: var(--muted);
    font-size: 0.9rem;
}

/* About ------------------------------------------------------------------- */
.about-intro {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 120px;
    gap: 2rem;
    align-items: start;
    margin-bottom: 1.35rem;
}

.about-intro .lede {
    margin: 0;
}

.portrait {
    margin: 0;
}

.portrait img {
    width: 120px;
    border: 1px solid var(--rule);
}

/* Experience, projects, posts -------------------------------------------- */
.entry-list,
.post-list {
    border-top: 1px solid var(--rule);
}

.entry,
.post {
    padding: 1.45rem 0;
    border-bottom: 1px solid var(--rule);
}

.entry-header {
    margin-bottom: 0.75rem;
}

.entry h2 {
    margin-bottom: 0.15rem;
    font-size: 1.1rem;
}

.entry .org {
    margin-bottom: 0.15rem;
    font-weight: 500;
}

.entry .meta {
    margin: 0;
}

.entry p {
    margin-bottom: 0.75rem;
}

.entry ul {
    margin: 0.75rem 0;
}

.entry li {
    margin-bottom: 0.3rem;
}

.entry p:last-child,
.entry ul:last-child {
    margin-bottom: 0;
}

.stack {
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.6;
}

.stack strong {
    color: var(--ink);
    font-weight: 600;
}

.post h2 {
    margin-bottom: 0.2rem;
    font-size: 1.08rem;
}

.post h2 a {
    text-decoration: underline;
}

.post .meta {
    margin-bottom: 0.45rem;
}

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

.empty-state {
    padding-top: 1.25rem;
    color: var(--muted);
}

/* Definition lists used for facts, skills and contact --------------------- */
.data-list {
    margin: 0;
    border-top: 1px solid var(--rule);
}

.data-list > div {
    display: grid;
    grid-template-columns: 11rem minmax(0, 1fr);
    gap: 1rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--rule);
}

.data-list dt {
    color: var(--muted);
    font-size: 0.88rem;
}

.data-list dd {
    margin: 0;
    font-size: 0.95rem;
}

/* Articles ---------------------------------------------------------------- */
.prose {
    max-width: 42rem;
}

.prose .page-header {
    margin-bottom: 2rem;
}

.prose h2 {
    margin: 2.4rem 0 0.8rem;
    font-size: 1.3rem;
}

.prose h3 {
    margin: 1.9rem 0 0.6rem;
    font-size: 1.05rem;
}

.prose p,
.prose ul,
.prose ol,
.prose blockquote,
.prose pre,
.prose table {
    margin: 0 0 1.15rem;
}

.prose ul,
.prose ol {
    padding-left: 1.4rem;
}

.prose li {
    margin-bottom: 0.3rem;
}

.prose blockquote {
    margin-left: 0;
    padding-left: 1rem;
    border-left: 2px solid var(--rule-strong);
    color: var(--muted);
}

.prose code {
    padding: 0.12em 0.3em;
    border: 1px solid var(--rule);
    background: var(--code-bg);
    font-family: var(--font-mono);
    font-size: 0.86em;
}

.prose pre {
    overflow-x: auto;
    padding: 1rem;
    border: 1px solid var(--rule);
    background: var(--code-bg);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.55;
}

.prose pre code {
    padding: 0;
    border: 0;
    background: none;
    font-size: inherit;
}

.prose table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.prose th,
.prose td {
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid var(--rule);
    text-align: left;
    vertical-align: top;
}

.prose th {
    background: var(--code-bg);
    font-weight: 600;
}

.prose img {
    margin: 1.5rem 0;
    border: 1px solid var(--rule);
}

.prose hr {
    margin: 2.5rem 0;
    border: 0;
    border-top: 1px solid var(--rule);
}

.article-footer {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid var(--rule);
    font-size: 0.9rem;
}

/* Footer ------------------------------------------------------------------ */
.site-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.4rem 1.5rem;
    margin-top: 4.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--rule);
    color: var(--muted);
    font-size: 0.8rem;
}

.site-footer p {
    margin: 0;
}

.site-footer a {
    color: var(--muted);
    text-decoration: none;
}

.site-footer a:hover {
    color: var(--ink);
    text-decoration: underline;
}

/* Small screens ----------------------------------------------------------- */
@media (max-width: 620px) {
    body {
        font-size: 16px;
    }

    .container {
        width: calc(100% - 2rem);
        padding-top: 1.75rem;
        padding-bottom: 2.5rem;
    }

    .site-header {
        display: block;
    }

    .site-nav {
        margin-top: 0.7rem;
        gap: 0.15rem 0.85rem;
    }

    .site-nav a {
        padding: 0.35rem 0;
    }

    h1 {
        font-size: 1.75rem;
    }

    .lede {
        font-size: 1rem;
    }

    .about-intro {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.25rem;
    }

    .portrait img {
        width: 96px;
    }

    .data-list > div,
    .index-list li {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.15rem;
    }

    .site-footer {
        display: block;
        margin-top: 3rem;
    }

    .site-footer p + p {
        margin-top: 0.3rem;
    }
}

/* Print ------------------------------------------------------------------- */
@media print {
    @page {
        margin: 16mm;
    }

    body {
        background: #ffffff;
        color: #000000;
        font-size: 11pt;
    }

    .container {
        width: auto;
        max-width: none;
        padding: 0;
    }

    .site-header,
    .site-footer,
    .skip-link {
        display: none;
    }

    main {
        padding-top: 0;
    }

    .page-header {
        margin-bottom: 1.5rem;
    }

    a {
        color: #000000;
        text-decoration: none;
    }

    .entry,
    .post,
    .data-list > div,
    .index-list li {
        break-inside: avoid;
    }

    .portrait img {
        border: 1px solid #999999;
    }
}