/* devshah.art — design system */

:root {
  --ink: #14161a;
  --ink-2: #3c4149;
  --ink-3: #6b7280;
  --paper: #fbfaf8;
  --paper-2: #ffffff;
  --line: #e4e2dd;
  --line-2: #efedE8;
  --accent: #0d7f72;
  --accent-soft: #e6f2f0;
  --radius: 10px;
  --maxw: 1120px;
  --readw: 43rem;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --shadow: 0 1px 2px rgba(20, 22, 26, .04), 0 8px 24px -12px rgba(20, 22, 26, .12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eceae5;
    --ink-2: #b9b6ae;
    --ink-3: #8b8880;
    --paper: #101215;
    --paper-2: #171a1e;
    --line: #2a2e34;
    --line-2: #23262b;
    --accent: #4ecbb8;
    --accent-soft: #16302c;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -12px rgba(0, 0, 0, .6);
  }
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

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

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

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

h1, h2, h3, h4 { margin: 0; font-weight: 620; letter-spacing: -0.021em; line-height: 1.15; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.25rem, 4vw, 2.5rem); }
.read { max-width: var(--readw); }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--paper); padding: .6rem 1rem; border-radius: 0 0 6px 0;
}
.skip:focus { left: 0; }

/* ---------- header ---------- */

.site-head {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 64px;
}
.brand { font-weight: 640; letter-spacing: -0.02em; font-size: 1.02rem; white-space: nowrap; }
.brand span { color: var(--ink-3); font-weight: 450; }

.nav { display: flex; align-items: center; gap: clamp(.75rem, 2.5vw, 1.75rem); }
.nav a {
  font-size: .93rem; color: var(--ink-2); padding: .3rem 0;
  border-bottom: 1.5px solid transparent;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--accent); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

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

.hero { padding: clamp(3.5rem, 10vw, 7rem) 0 clamp(2rem, 5vw, 3.5rem); }
.hero h1 {
  font-size: clamp(2.4rem, 6.5vw, 4rem);
  letter-spacing: -0.035em;
  max-width: 22ch;
}
.hero .lede {
  margin: 1.5rem 0 0;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--ink-2);
  max-width: 52ch;
}
.hero .actions { margin-top: 2.25rem; display: flex; flex-wrap: wrap; gap: .75rem; }

.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .6rem 1.15rem; border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper-2); color: var(--ink);
  font-size: .93rem; font-weight: 520;
  transition: border-color .15s, transform .15s, background .15s;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- section headings ---------- */

.section { padding: clamp(2.5rem, 6vw, 4.5rem) 0; }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; margin-bottom: 2rem;
  border-top: 1px solid var(--line); padding-top: 1.1rem;
}
.section-head h2 { font-size: 1.05rem; font-weight: 620; letter-spacing: .01em; }
.section-head .count { color: var(--ink-3); font-size: .85rem; font-variant-numeric: tabular-nums; }
.section-note { margin: -1rem 0 2rem; color: var(--ink-3); font-size: .88rem; max-width: 46rem; }

/* ---------- work grid ---------- */

.grid {
  display: grid; gap: clamp(1.5rem, 3vw, 2.25rem);
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}
.card { display: flex; flex-direction: column; }
.card-media {
  position: relative; overflow: hidden; border-radius: var(--radius);
  background: var(--line-2); aspect-ratio: 4 / 3; box-shadow: var(--shadow);
}
.card-media.contain { background: var(--paper-2); border: 1px solid var(--line); }
.card-media.contain img { object-fit: contain; padding: .6rem; }
.card-media img, .card-media video {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s cubic-bezier(.2, .7, .3, 1);
}
.card:hover .card-media img, .card:hover .card-media video { transform: scale(1.035); }
.card h3 { margin: 1rem 0 0; font-size: 1.12rem; }
.card:hover h3 { color: var(--accent); }
.card p { margin: .45rem 0 0; color: var(--ink-2); font-size: .95rem; }
.card .meta {
  margin-top: .6rem; font-size: .8rem; color: var(--ink-3);
  font-variant-numeric: tabular-nums; letter-spacing: .02em;
}
.badge {
  position: absolute; top: .7rem; left: .7rem; z-index: 2;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  color: var(--ink-2);
  font-size: .68rem; font-weight: 600; letter-spacing: .07em; text-transform: uppercase;
  padding: .25rem .55rem; border-radius: 5px; border: 1px solid var(--line);
  backdrop-filter: blur(6px);
}

/* ---------- project page ---------- */

.proj-head { padding: clamp(2.25rem, 6vw, 4rem) 0 0; }
.back {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .88rem; color: var(--ink-3); margin-bottom: 1.75rem;
}
.back:hover { color: var(--accent); }
.proj-head .wrap { max-width: 52rem; }
.proj-head h1 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.032em; max-width: 26ch; }
.proj-head .summary {
  margin: 1.25rem 0 0; font-size: clamp(1.02rem, 2vw, 1.18rem);
  color: var(--ink-2); max-width: 56ch;
}

.factsheet {
  margin: 2.5rem 0 0; padding: 1.35rem 0; border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid; gap: 1.25rem 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.factsheet > div { min-width: 0; }
.factsheet dt {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .09em;
  color: var(--ink-3); font-weight: 600; margin-bottom: .3rem;
}
.factsheet dd { margin: 0; font-size: .93rem; color: var(--ink); }

.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.5rem; }
.tag {
  font-size: .78rem; color: var(--ink-2); background: var(--paper-2);
  border: 1px solid var(--line); border-radius: 999px; padding: .22rem .65rem;
}

.body { padding: clamp(2rem, 5vw, 3.25rem) 0 1rem; }
.body .wrap {
  display: grid;
  grid-template-columns: 1fr min(var(--readw), 100%) 1fr;
}
.body .wrap > * { grid-column: 2; }
.body .wrap > figure.wide {
  grid-column: 1 / -1;
  width: min(58rem, 100%);
  margin-inline: auto;
}
.body p { margin: 0 0 1.2rem; color: var(--ink-2); }
.body p.lead { font-size: 1.15rem; color: var(--ink); margin-bottom: 1.75rem; }
.body h2 {
  font-size: 1.45rem; margin: 3rem 0 1.1rem; letter-spacing: -0.024em;
}
.body h3 { font-size: 1.1rem; margin: 2.25rem 0 .85rem; color: var(--ink); }
.body ul { margin: 0 0 1.4rem; padding-left: 1.15rem; color: var(--ink-2); }
.body ul li { margin-bottom: .5rem; }
.body ol.refs { margin: 0; padding-left: 1.4rem; color: var(--ink-2); font-size: .92rem; }
.body ol.refs li { margin-bottom: .7rem; }
.body strong { color: var(--ink); font-weight: 620; }

.contrib {
  background: var(--paper-2); border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.35rem 1.5rem .6rem; margin: 0 0 1.75rem;
}
.contrib h4 {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .09em;
  color: var(--accent); margin-bottom: .8rem;
}
.contrib ul { margin-bottom: .9rem; }

.callout {
  border-left: 2px solid var(--line); padding-left: 1.1rem;
  font-size: .93rem; color: var(--ink-3); margin: 0 0 1.75rem;
}
.callout p { margin: 0; color: inherit; font-size: inherit; }

blockquote.pull {
  margin: 0 0 1.5rem; padding: 0 0 0 1.25rem;
  border-left: 3px solid var(--accent);
  font-size: 1.14rem; color: var(--ink); font-style: italic;
}

/* ---------- media ---------- */

figure { margin: 2rem 0 2.25rem; max-width: none !important; }
figure > img, figure > video, .shot {
  width: auto; max-width: 100%; max-height: 32rem;
  margin-inline: auto; border-radius: var(--radius);
  background: var(--line-2); box-shadow: var(--shadow);
}
figcaption {
  margin-top: .7rem; font-size: .85rem; color: var(--ink-3);
  max-width: var(--readw); line-height: 1.5;
}
figure > video { background: #000; }

.zoom { cursor: zoom-in; }

.gal {
  display: grid; gap: .85rem; margin: 0;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}
.gal img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: 8px; background: var(--line-2); box-shadow: var(--shadow);
}
.gal.contain {
  display: flex; flex-wrap: wrap; justify-content: center;
  grid-template-columns: none;
}
.gal.contain img {
  width: auto; height: clamp(150px, 22vw, 230px);
  max-width: 100%; aspect-ratio: auto;
  object-fit: contain; background: var(--paper-2);
  padding: .5rem;
}

.docs { margin: 2.5rem 0; }

/* ---------- lightbox ---------- */

.lb {
  position: fixed; inset: 0; z-index: 200; display: none;
  background: rgba(10, 11, 13, .93);
  align-items: center; justify-content: center; padding: 3vmin;
}
.lb[open] { display: flex; }
.lb img { max-width: 100%; max-height: 94vh; width: auto; border-radius: 6px; }
.lb-close {
  position: absolute; top: 1rem; right: 1.25rem;
  background: none; border: 0; color: #fff; font-size: 2rem; line-height: 1;
  cursor: pointer; opacity: .75; padding: .25rem .5rem;
}
.lb-close:hover { opacity: 1; }

/* ---------- CV / about ---------- */

.about-grid { display: grid; gap: clamp(2rem, 5vw, 3.5rem); }
.entry {
  display: grid; gap: .35rem 2rem;
  grid-template-columns: 1fr; padding: 1.4rem 0;
  border-top: 1px solid var(--line-2);
}
.entry:first-of-type { border-top: 0; padding-top: 0; }
@media (min-width: 780px) {
  .entry { grid-template-columns: 11rem 1fr; }
  .entry .when { grid-row: span 3; }
}
.entry .when {
  font-size: .82rem; color: var(--ink-3);
  font-variant-numeric: tabular-nums; letter-spacing: .01em; padding-top: .2rem;
}
.entry h3 { font-size: 1.05rem; }
.entry .org { font-size: .9rem; color: var(--ink-3); margin: .15rem 0 .6rem; }
.entry ul { margin: 0; padding-left: 1.1rem; color: var(--ink-2); font-size: .94rem; }
.entry ul li { margin-bottom: .4rem; }

.skill-row {
  display: grid; gap: .3rem 2rem; padding: .95rem 0;
  border-top: 1px solid var(--line-2); grid-template-columns: 1fr;
}
@media (min-width: 780px) { .skill-row { grid-template-columns: 11rem 1fr; } }
.skill-row:first-child { border-top: 0; }
.skill-row dt { font-size: .82rem; color: var(--ink-3); }
.skill-row dd { margin: 0; font-size: .95rem; color: var(--ink-2); }

.portrait {
  width: 100%; max-width: 300px; border-radius: var(--radius);
  background: var(--paper-2); box-shadow: var(--shadow);
}

/* ---------- contact ---------- */

.contact-list { list-style: none; margin: 2.5rem 0 0; padding: 0; }
.contact-list li { border-top: 1px solid var(--line); }
.contact-list li:last-child { border-bottom: 1px solid var(--line); }
.contact-list a, .contact-list .row {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1.5rem; padding: 1.15rem .25rem; flex-wrap: wrap;
}
.contact-list .label {
  font-size: .74rem; text-transform: uppercase; letter-spacing: .1em;
  color: var(--ink-3); font-weight: 600; min-width: 6rem;
}
.contact-list .value { font-size: 1.05rem; color: var(--ink); }
.contact-list a:hover .value { color: var(--accent); }

/* ---------- next / prev ---------- */

.pager { max-width: 52rem; margin-inline: auto; }
.pager {
  display: grid; gap: 1rem; margin: clamp(2.5rem, 6vw, 4rem) 0 0;
  padding-top: 1.5rem; border-top: 1px solid var(--line);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.pager a { display: block; }
.pager .dir {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .1em;
  color: var(--ink-3); font-weight: 600;
}
.pager .t { font-size: 1.05rem; font-weight: 560; margin-top: .3rem; }
.pager a:hover .t { color: var(--accent); }
.pager .next { text-align: right; }

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

.site-foot {
  margin-top: clamp(3rem, 8vw, 6rem);
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 3rem;
  font-size: .88rem; color: var(--ink-3);
}
.site-foot .wrap {
  display: flex; flex-wrap: wrap; gap: 1rem 2rem;
  align-items: baseline; justify-content: space-between;
}
.site-foot a { color: var(--ink-2); }
.site-foot a:hover { color: var(--accent); }
.site-foot .links { display: flex; gap: 1.25rem; flex-wrap: wrap; }

/* ---------- misc ---------- */

.note-inline { color: var(--ink-3); font-size: .85rem; }
hr.rule { border: 0; border-top: 1px solid var(--line); margin: 3rem 0; }