/* ==========================================================================
   aritro.is-a.dev — shared stylesheet
   tokens · base · layout · components · responsive
   ========================================================================== */


/* ---------------------------------------------------------------- tokens -- */

:root {
    --ink: #e9e9ec;
    --ink-muted: #a6a6ae;
    --ink-faint: #7e7e88;
    --bg: #0b0b0d;
    --bg-raised: #131316;
    --rule: #26262c;
    --rule-soft: #1b1b20;
    --accent: #fbc44b;
    --accent-ink: #fbc44b;
    --accent-wash: rgba(251, 196, 75, .09);
    --accent-line: rgba(251, 196, 75, .40);
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --serif: 'Newsreader', Constantia, Georgia, 'Times New Roman', serif;
    --mono: ui-monospace, SFMono-Regular, 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;
    --shell: 1120px;
    --prose: 66ch;
    --step: clamp(3.5rem, 7vw, 5.5rem);
    color-scheme: dark;
}

[data-theme="light"] {
    --ink: #17171a;
    --ink-muted: #57575e;
    --ink-faint: #6e6e76;
    --bg: #fcfbf9;
    --bg-raised: #f5f3ef;
    --rule: #e2ded6;
    --rule-soft: #ece9e2;
    --accent: #8a5a06;
    --accent-ink: #8a5a06;
    --accent-wash: rgba(138, 90, 6, .07);
    --accent-line: rgba(138, 90, 6, .40);
    color-scheme: light;
}


/* ------------------------------------------------------------------ base -- */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background: var(--bg);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.65;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection {
    background: var(--accent);
    color: #0b0b0d;
}

[data-theme="light"] ::selection {
    color: #fcfbf9;
}


/* ---------------------------------------------------------------- layout -- */

.shell {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 5vw, 4rem);
}


/* ----------------------------------------------------------------- links -- */


/* the accent colour means "interactive". nothing else gets it. */

a {
    color: var(--accent-ink);
    text-decoration: none;
    border-bottom: 1px solid var(--accent-line);
    transition: border-color .18s ease, background-color .18s ease, color .18s ease;
}

a:hover {
    border-bottom-color: var(--accent-ink);
    background: var(--accent-wash);
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent-ink);
    outline-offset: 3px;
    border-radius: 2px;
}

a.plain {
    color: inherit;
    border-bottom-color: var(--rule);
}

a.plain:hover {
    color: var(--accent-ink);
    border-bottom-color: var(--accent-ink);
}

.skip {
    position: absolute;
    left: 1rem;
    top: -4rem;
    z-index: 99;
    background: var(--accent);
    color: #0b0b0d;
    font: 600 .85rem/1 var(--sans);
    padding: .7rem 1.1rem;
    border: 0;
    border-radius: 4px;
}

[data-theme="light"] .skip {
    color: #fcfbf9;
}

.skip:focus {
    top: 1rem;
}


/* ---------------------------------------------------------------- topbar -- */

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.5rem 0 0;
}

.wordmark {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    font: 500 .8rem/1 var(--mono);
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--ink-faint);
    border: 0;
}

.wordmark:hover {
    background: none;
    color: var(--ink);
}

.wordmark img {
    width: 22px;
    height: 22px;
    border-radius: 5px;
    display: block;
}

.theme-btn {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    background: none;
    border: 1px solid var(--rule);
    border-radius: 999px;
    color: var(--ink-muted);
    font: 500 .72rem/1 var(--mono);
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: .5rem .85rem;
    cursor: pointer;
    transition: border-color .18s ease, color .18s ease;
}

.theme-btn:hover {
    border-color: var(--accent-ink);
    color: var(--ink);
}

.theme-btn svg {
    width: 13px;
    height: 13px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
}

[data-theme="dark"] .i-sun {
    display: none;
}

[data-theme="light"] .i-moon {
    display: none;
}


/* ------------------------------------------------------------------ hero -- */

.hero {
    padding: clamp(3rem, 8vw, 6rem) 0 0;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: .7rem;
    font: 500 .74rem/1 var(--mono);
    letter-spacing: .13em;
    text-transform: uppercase;
    color: var(--accent-ink);
    margin-bottom: 1.5rem;
}

.eyebrow::before {
    content: "";
    width: 26px;
    height: 1px;
    background: var(--accent-ink);
    flex: none;
}

.hero h1 {
    font-family: var(--serif);
    font-size: clamp(3.1rem, 10.5vw, 6.5rem);
    font-weight: 400;
    line-height: .95;
    letter-spacing: -.025em;
    font-optical-sizing: auto;
}

.hero .handle {
    font: 400 1rem/1 var(--mono);
    color: var(--ink-faint);
    margin-top: 1.1rem;
}

.lede {
    font-family: var(--serif);
    font-size: clamp(1.26rem, 2.4vw, 1.6rem);
    line-height: 1.45;
    font-weight: 300;
    color: var(--ink);
    margin-top: 2.6rem;
    max-width: 44ch;
    text-wrap: pretty;
}

.lede em {
    font-style: italic;
    color: var(--accent-ink);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
}


/* -------------------------------------------------- portrait + sidenote -- */

.figure-stack {
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
    width: clamp(180px, 22vw, 226px);
}

.portrait {
    width: 100%;
    /* height:auto is required — the width/height attrs on the <img> are
     presentational hints that would otherwise beat aspect-ratio */
    height: auto;
    aspect-ratio: 1;
    border-radius: 10px;
    display: block;
    object-fit: cover;
    filter: saturate(.94);
    border: 1px solid var(--rule);
}


/* margin note — quiet by design */

.sidenote h2 {
    font: 500 .68rem/1 var(--mono);
    letter-spacing: .11em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: .7rem;
}

.sidenote ul {
    list-style: none;
    display: grid;
    gap: .28rem;
}

.sidenote li {
    font: 400 .82rem/1.4 var(--mono);
    color: var(--ink-muted);
}

.sidenote p {
    font: 400 .72rem/1.5 var(--mono);
    color: var(--ink-faint);
    margin-top: .7rem;
}


/* -------------------------------------------------------------- link row -- */

.linkrow {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem .5rem;
    margin-top: 2.6rem;
    font: 500 .82rem/1 var(--mono);
    letter-spacing: .02em;
}

.linkrow a {
    border: 1px solid var(--rule);
    border-radius: 999px;
    padding: .58rem .95rem;
    color: var(--ink-muted);
}

.linkrow a:hover {
    color: var(--ink);
    border-color: var(--accent-ink);
    background: var(--accent-wash);
}

.linkrow a.primary {
    border-color: var(--accent-ink);
    color: var(--accent-ink);
}


/* -------------------------------------------------------------- sections -- */

section {
    padding: var(--step) 0 0;
}

.sec-head {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    padding-bottom: 1.1rem;
    margin-bottom: 2.2rem;
    border-bottom: 1px solid var(--rule);
}

.sec-head h2 {
    font-family: var(--sans);
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ink);
}

.sec-head .idx {
    font: 400 .72rem/1 var(--mono);
    color: var(--ink-faint);
    flex: none;
}

.sec-head .aside {
    margin-left: auto;
    font: 400 .78rem/1 var(--mono);
    color: var(--ink-faint);
    flex: none;
}


/* a quiet standalone footnote */

.note {
    font: 400 .78rem/1.6 var(--mono);
    color: var(--ink-faint);
}


/* ------------------------------------------------------------------- now -- */

.now {
    list-style: none;
    display: grid;
    gap: .85rem;
    max-width: 72ch;
}

.now li {
    display: grid;
    grid-template-columns: 5.6rem minmax(0, 1fr);
    gap: 1.2rem;
    align-items: baseline;
}

.now time {
    font: 400 .78rem/1.6 var(--mono);
    color: var(--ink-faint);
    letter-spacing: .02em;
    white-space: nowrap;
}

.now p {
    color: var(--ink-muted);
    font-size: .95rem;
}

.now b {
    color: var(--ink);
    font-weight: 500;
}


/* --------------------------------------------------------------- entries -- */

.entry {
    padding: 0 0 2.4rem;
    margin-bottom: 2.4rem;
    border-bottom: 1px solid var(--rule-soft);
}

.entry:last-child {
    border-bottom: 0;
    margin-bottom: 0;
    padding-bottom: 0;
}

.entry-top {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: .4rem 1rem;
    margin-bottom: .3rem;
}

.entry-top h3 {
    font-family: var(--serif);
    font-size: 1.44rem;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -.01em;
}

.entry-top .when {
    margin-left: auto;
    font: 400 .78rem/1.6 var(--mono);
    color: var(--ink-faint);
    white-space: nowrap;
}

.entry-org {
    font-size: .92rem;
    color: var(--ink-muted);
    margin-bottom: 1.1rem;
}

.entry ul {
    list-style: none;
    display: grid;
    gap: .7rem;
    max-width: var(--prose);
}

.entry ul li {
    position: relative;
    padding-left: 1.1rem;
    color: var(--ink-muted);
    font-size: .95rem;
    text-wrap: pretty;
}

.entry ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .62em;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--ink-faint);
}

.entry ul strong {
    color: var(--ink);
    font-weight: 500;
}

.entry .tags {
    margin-top: 1.2rem;
}


/* ------------------------------------------------------------------ refs -- */

.refs {
    display: flex;
    flex-wrap: wrap;
    gap: .3rem .9rem;
    margin-top: 1.2rem;
    font: 500 .8rem/1 var(--mono);
}

.refs a {
    padding: .3rem 0;
}


/* --------------------------------------------------------------- writing -- */

.writing {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: .5rem 1.2rem;
    padding: 1.5rem 1.6rem;
    background: var(--bg-raised);
    border: 1px solid var(--rule-soft);
    border-left: 2px solid var(--accent-ink);
    border-radius: 4px;
    max-width: 78ch;
}

.writing .url {
    font: 500 1rem/1 var(--mono);
}

.writing p {
    color: var(--ink-muted);
    font-size: .92rem;
}


/* ----------------------------------------------------------- credentials -- */

.cred {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: 2.4rem clamp(2rem, 4vw, 3.5rem);
    max-width: 100ch;
}

.cred h3 {
    font: 600 .72rem/1 var(--sans);
    letter-spacing: .13em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 1rem;
}

.cred ul {
    list-style: none;
    display: grid;
    gap: .8rem;
}

.cred li {
    font-size: .92rem;
    color: var(--ink-muted);
    text-wrap: pretty;
}

.cred li b {
    color: var(--ink);
    font-weight: 500;
}

.cred li .sub {
    display: block;
    font: 400 .74rem/1.5 var(--mono);
    color: var(--ink-faint);
    margin-top: .12rem;
}


/* ---------------------------------------------------------------- builds -- */

.builds {
    list-style: none;
    display: grid;
    gap: 1.15rem;
    max-width: 80ch;
}

.builds li {
    font-size: .95rem;
    color: var(--ink-muted);
    text-wrap: pretty;
}

.builds li b {
    color: var(--ink);
    font-weight: 500;
}

.page-intro {
    color: var(--ink-muted);
    max-width: var(--prose);
    margin-top: 1.2rem;
    text-wrap: pretty;
}


/* ------------------------------------------------------------ tag groups -- */


/* tech-stack chips (entries) and skill/cert groups (other.html) */

.taggroup {
    display: grid;
    gap: 1.6rem;
    max-width: 88ch;
}

.taggroup .row {
    display: grid;
    grid-template-columns: 9.5rem minmax(0, 1fr);
    gap: .4rem 1.4rem;
    align-items: start;
}

.taggroup .row h3 {
    font: 600 .72rem/1.7 var(--sans);
    letter-spacing: .13em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.taggroup .row h3 .wip {
    display: block;
    font-weight: 400;
    letter-spacing: .06em;
    text-transform: none;
    font-family: var(--mono);
    font-size: .68rem;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
}

.tags span,
.tags a {
    font: 400 .78rem/1 var(--mono);
    color: var(--ink-muted);
    background: var(--bg-raised);
    border: 1px solid var(--rule-soft);
    border-radius: 4px;
    padding: .42rem .6rem;
}

.tags a {
    color: var(--accent-ink);
    border-color: var(--accent-line);
}

.tags a:hover {
    border-color: var(--accent-ink);
}


/* ---------------------------------------------------------------- footer -- */

footer {
    margin-top: var(--step);
    padding: 2.4rem 0 3rem;
    border-top: 1px solid var(--rule);
}

.foot-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.6rem 2.5rem;
    align-items: flex-end;
    justify-content: space-between;
}

.foot-say {
    font-family: var(--serif);
    font-size: 1.16rem;
    font-weight: 300;
    line-height: 1.5;
    max-width: 44ch;
    color: var(--ink);
}

.foot-meta {
    font: 400 .74rem/1.8 var(--mono);
    color: var(--ink-faint);
    text-align: right;
}

.foot-meta a {
    color: var(--ink-faint);
    border-bottom-color: var(--rule);
}

.foot-meta a:hover {
    color: var(--ink);
}


/* ------------------------------------------------------------ responsive -- */

@media (max-width: 760px) {
     :root {
        --step: 3.25rem;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2.2rem;
    }
    .figure-stack {
        width: 100%;
        gap: 1.4rem;
    }
    .portrait {
        width: 116px;
    }
    .lede {
        max-width: none;
        margin-top: 2rem;
    }
    .entry-top .when {
        margin-left: 0;
        width: 100%;
    }
    .now li,
    .taggroup .row {
        grid-template-columns: 1fr;
        gap: .1rem;
    }
    .foot-meta {
        text-align: left;
    }
}


/* -------------------------------------------------------- reduced motion -- */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: .001ms !important;
        animation-delay: 0s !important;
        transition-duration: .001ms !important;
    }
}