/* Jordan Lin engineering portfolio: shared styles for every page.
   Blue family only. Light mode is ice blue with navy ink; dark mode is navy black.
   Surfaces are separated by tint steps, not lines or shadows. Corners are square.
   Blue gradients are kept for the places that matter: hero bands, the primary button,
   key numbers, the footer. */
:root {
  color-scheme: light;
  --paper: #f3f7fc;          /* page ground */
  --surface: #ffffff;        /* cards, frames */
  --tint: #e6eef8;           /* one step deeper than the ground */
  --ink: #0b1a2e;
  --ink-soft: #46566d;
  --rule: #d5e0ee;           /* only inside tables */
  --accent: #1a5bb0;
  --accent-2: #4aa3f0;
  --accent-soft: #dce9f8;
  --on-accent: #ffffff;
  --navy: #071a33;
  --hero-a: #dcebfb;
  --hero-b: #f3f7fc;
  --font-display: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-mono: var(--font-body);
  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: clamp(1.75rem, 3vw, 2.375rem);
  --step-3: clamp(2.25rem, 4.6vw, 3.75rem);
  --step-4: clamp(2.75rem, 7vw, 6rem);
  --radius: 0px;
  --wrap: 1240px;
  --gap-section: clamp(72px, 10vw, 140px);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --shadow: none;
  --shadow-lift: 0 18px 40px -22px rgba(7, 26, 51, 0.45);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #060c17; --surface: #0c1626; --tint: #0f1d33; --ink: #e9f0fa; --ink-soft: #9db0ca; --rule: #1d2d47;
    --accent: #78b6ff; --accent-2: #2f7de0; --accent-soft: #11233d; --on-accent: #04101f;
    --navy: #030812; --hero-a: #0c2347; --hero-b: #060c17;
    --shadow-lift: 0 18px 40px -20px rgba(0, 0, 0, 0.8);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #060c17; --surface: #0c1626; --tint: #0f1d33; --ink: #e9f0fa; --ink-soft: #9db0ca; --rule: #1d2d47;
  --accent: #78b6ff; --accent-2: #2f7de0; --accent-soft: #11233d; --on-accent: #04101f;
  --navy: #030812; --hero-a: #0c2347; --hero-b: #060c17;
  --shadow-lift: 0 18px 40px -20px rgba(0, 0, 0, 0.8);
}
:root { --grad: linear-gradient(115deg, var(--accent), var(--accent-2)); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font-body); font-size: var(--step-0); line-height: 1.6;
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }
a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
::selection { background: var(--accent); color: var(--on-accent); }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.05; letter-spacing: -0.03em; margin: 0; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; }
strong, b { font-weight: 650; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: 32px; }
@media (max-width: 640px) { .wrap { padding-inline: 16px; } }
/* small labels: sentence case at a readable size */
.label { font-size: var(--step--1); font-weight: 500; color: var(--ink-soft); }
.label.accent { color: var(--accent); font-weight: 600; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 50; background: var(--surface); padding: 8px 12px; }

/* nav: a plain bar, current page marked by a filled underline */
.nav { position: sticky; top: 0; z-index: 20; padding-top: env(safe-area-inset-top, 0px); background: var(--paper); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 8px 20px; min-height: 64px; flex-wrap: wrap; }
.nav-name { font-weight: 800; font-size: 1.1875rem; letter-spacing: -0.02em; color: var(--ink); text-decoration: none; white-space: nowrap; }
.nav ul { display: flex; gap: 4px; list-style: none; padding: 0; flex-wrap: wrap; }
.nav ul a { position: relative; display: block; padding: 8px 12px; color: var(--ink-soft); text-decoration: none; font-size: 0.9375rem; font-weight: 500; transition: color .2s ease; }
.nav ul a::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 3px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.nav ul a:hover { color: var(--ink); }
.nav ul a:hover::after { transform: scaleX(.35); }
.nav ul a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.nav ul a[aria-current="page"]::after { transform: scaleX(1); }
@media (max-width: 640px) {
  .nav .wrap { padding-block: 8px; }
  .nav ul { width: 100%; justify-content: space-between; gap: 0; margin-inline: -6px; flex-wrap: nowrap; }
  .nav ul a { padding: 6px; font-size: 0.8125rem; white-space: nowrap; }
  .nav ul a::after { left: 6px; right: 6px; }
}

/* buttons: square, flat fill; the primary carries the blue gradient */
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border: 0; border-radius: 0;
  font-weight: 600; font-size: 0.9375rem; text-decoration: none; line-height: 1.3;
  color: var(--ink); background: var(--tint);
  transition: background-color .2s ease, color .2s ease, transform .2s var(--ease), filter .2s ease;
}
.btn:hover { background: var(--accent-soft); color: var(--accent); text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn.primary { background: var(--grad); color: var(--on-accent); }
.btn.primary:hover { background: var(--grad); color: var(--on-accent); filter: brightness(1.08); }
.btn svg { width: 16px; height: 16px; flex: none; }
.hero .btn:not(.primary), .page-head .btn:not(.primary), .case-head .btn:not(.primary) { background: var(--surface); }
.hero .btn:not(.primary):hover, .page-head .btn:not(.primary):hover, .case-head .btn:not(.primary):hover { background: var(--accent-soft); }

/* page header: a soft blue band */
.hero, .page-head, .case-head {
  background:
    radial-gradient(60vmax 40vmax at 100% 0%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 60%),
    linear-gradient(180deg, var(--hero-a), var(--hero-b));
}
.page-head { padding-block: clamp(56px, 8vw, 104px) clamp(40px, 6vw, 72px); }
.page-head h1 { font-size: var(--step-4); margin-top: 10px; }
.page-head .lede { max-width: 58ch; margin-top: 20px; font-size: 1.1875rem; }
.page-head .actions { margin-top: 28px; }

/* sections: big gaps, every other one sits on the tint */
section.block { padding-block: var(--gap-section); }
main > section.block:nth-of-type(even) { background: var(--tint); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px 16px; flex-wrap: wrap; margin-bottom: clamp(28px, 4vw, 48px); }
.section-head h2 { font-size: var(--step-3); }
.section-head a { font-weight: 600; text-decoration: none; }
.section-head a:hover { text-decoration: underline; }

/* home hero: very large name, the moving render beside it */
.hero { padding-block: clamp(48px, 7vw, 96px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { font-size: clamp(3.5rem, 8.4vw, 7.5rem); letter-spacing: -0.045em; line-height: 0.92; }
.hero .role { font-size: clamp(1.25rem, 2vw, 1.625rem); font-weight: 600; letter-spacing: -0.015em; margin-top: 18px; line-height: 1.25; }
.hero .tag { margin-top: 6px; font-size: 1.0625rem; font-weight: 600; color: var(--accent); }
.hero .bio { max-width: 50ch; margin-top: 22px; }
.hero .actions { margin-top: 30px; }
.hero-shot .shot { aspect-ratio: 1 / 1; box-shadow: var(--shadow-lift); }
.hero-shot video.loop { object-fit: cover; }   /* the recording has white margins either side */
.hero-shot figcaption { text-align: right; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-shot figcaption { text-align: left; }
}

/* stat strip: tinted plates, gradient figures */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 4px; margin-top: 28px; }
.stats div { padding: 18px 20px; background: var(--surface); display: flex; flex-direction: column; gap: 4px; min-width: 0; transition: background-color .2s ease; }
.stats div:hover { background: var(--accent-soft); }
.stats b { font-size: clamp(1.5rem, 2.6vw, 2.125rem); font-weight: 800; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; line-height: 1.05;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; width: fit-content; }
.stats span { font-size: 0.875rem; color: var(--ink-soft); line-height: 1.4; }
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* image frames: one ratio, white ground (renders are white), square */
.shot, .card .art, .mini .art {
  display: block; width: 100%; padding: 0; border: 0; border-radius: 0; overflow: hidden; aspect-ratio: 4 / 3; background: #fff;
}
.shot { cursor: zoom-in; }
a.shot { cursor: pointer; }
.shot img, .card .art img, .mini .art img { width: 100%; height: 100%; object-fit: contain; transition: transform .5s var(--ease); }
.shot.cover img, .mini .art.cover img, .card .art.cover img { object-fit: cover; }
.shot:hover img { transform: scale(1.02); }

/* project cards: the first one is featured across the full width */
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.card { display: flex; flex-direction: column; background: var(--surface); color: inherit; text-decoration: none; overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.card .body { padding: 24px 26px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card h3 { font-size: clamp(1.375rem, 2vw, 1.75rem); }
.card p { color: var(--ink-soft); line-height: 1.5; }
.card .kpi { font-size: clamp(1.375rem, 2.2vw, 1.875rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.15; color: var(--ink);
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; width: fit-content; }
.card .meta { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; margin-top: auto; padding-top: 8px; }
.card .meta li { font-size: 0.8125rem; font-weight: 500; padding: 3px 9px; color: var(--ink-soft); background: var(--tint); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); text-decoration: none; }
.card:hover .art img { transform: scale(1.03); }
.card:active { transform: translateY(-1px); }
.cards > .card:first-child { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); }
.cards > .card:first-child .art { aspect-ratio: 16 / 10; height: 100%; }
.cards > .card:first-child .body { justify-content: center; padding: clamp(28px, 4vw, 56px); gap: 14px; }
.cards > .card:first-child h3 { font-size: clamp(1.75rem, 3.2vw, 2.75rem); }
.cards > .card:first-child .kpi { font-size: clamp(1.75rem, 3.4vw, 2.75rem); }
.cards > .card:first-child .meta { margin-top: 6px; }
@media (max-width: 760px) {
  .cards { grid-template-columns: 1fr; }
  .cards > .card:first-child { grid-template-columns: 1fr; }
  .cards > .card:first-child .art { aspect-ratio: 16 / 10; height: auto; }
}

/* small project tiles */
.minis { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.mini { display: flex; flex-direction: column; background: var(--surface); overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.mini .body { padding: 22px 24px 24px; display: grid; gap: 8px; align-content: start; }
.mini h3 { font-size: 1.5rem; }
.mini p { color: var(--ink-soft); line-height: 1.55; }
.mini p.label { color: var(--accent); font-weight: 600; }
a.mini { color: inherit; text-decoration: none; }
a.mini:hover, .mini:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.mini:hover .art img { transform: scale(1.03); }
@media (max-width: 640px) { .minis { grid-template-columns: 1fr; } }

/* home: design teams as alternating photo rows */
.rows { display: grid; gap: clamp(24px, 4vw, 48px); }
.rows .row { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; color: inherit; text-decoration: none; }
.rows .row:nth-child(even) { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); }
.rows .row:nth-child(even) .art { order: 2; }
.rows .row .art { aspect-ratio: 4 / 3; overflow: hidden; background: #fff; }
.rows .row .art img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.rows .row:hover .art img { transform: scale(1.03); }
.rows .row h3 { font-size: var(--step-2); margin-top: 8px; }
.rows .row p:not(.label) { margin-top: 12px; font-size: 1.125rem; max-width: 40ch; }
.rows .row .more { display: inline-block; margin-top: 18px; font-weight: 600; color: var(--accent); }
.rows .row:hover .more { text-decoration: underline; }
@media (max-width: 760px) { .rows .row { grid-template-columns: 1fr; } .rows .row:nth-child(even) .art { order: 0; } }

/* team blocks */
.team { display: grid; grid-template-columns: 16rem minmax(0, 1fr); gap: 16px 56px; }
.team + .team { margin-top: var(--gap-section); }
.team .side { align-self: start; position: sticky; top: 96px; padding-left: 18px; box-shadow: inset 4px 0 0 var(--accent); }
.team .side h2 { font-size: var(--step-2); }
.team .side p { color: var(--ink-soft); margin-top: 8px; }
.team .side .label { display: block; margin-top: 10px; }
.team ul.work { padding-left: 1.1em; display: grid; gap: 10px; max-width: 70ch; }
.team ul.work li::marker { color: var(--accent); }
.team h3 { font-size: 1.5rem; margin: 56px 0 14px; }
.team h3:first-child { margin-top: 0; }
@media (max-width: 760px) { .team { grid-template-columns: 1fr; } .team .side { position: static; } }

/* galleries */
.gallery { display: grid; gap: 16px; margin-top: 28px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 > figure:first-child { grid-column: 1 / -1; }
.g3 > figure:first-child .shot { aspect-ratio: 16 / 9; }
.g1 { grid-template-columns: minmax(0, 1fr); max-width: 720px; }
@media (max-width: 520px) { .gallery { grid-template-columns: 1fr; } .g3 > figure:first-child .shot { aspect-ratio: 4 / 3; } }
figure { margin: 0; }
figcaption { font-size: 0.9375rem; color: var(--ink-soft); margin-top: 10px; line-height: 1.45; }
figcaption b { font-weight: 700; color: var(--accent); margin-right: 8px; }

/* project pages */
.crumbs { font-size: 0.9375rem; color: var(--ink-soft); }
.crumbs a { color: var(--ink-soft); }
.case-head { padding-block: clamp(40px, 6vw, 80px) clamp(40px, 6vw, 72px); }
.case-head h1 { font-size: var(--step-4); letter-spacing: -0.045em; line-height: 0.95; margin-top: 14px; }
.case-head .sub { font-size: clamp(1.125rem, 1.6vw, 1.3125rem); margin-top: 18px; max-width: 58ch; line-height: 1.5; }
.titleblock { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 4px; margin: 32px 0 0; }
.titleblock > div { padding: 14px 18px; background: var(--surface); min-width: 0; }
.titleblock dt { font-size: 0.8125rem; font-weight: 500; color: var(--ink-soft); }
.titleblock dd { margin: 2px 0 0; font-weight: 600; }
.titleblock .status dd { color: var(--accent); }
@media (max-width: 720px) { .titleblock { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.case-head .actions { margin-top: 22px; }
.hero-render { margin-top: 36px; }
.hero-render .shot { aspect-ratio: 16 / 9; box-shadow: var(--shadow-lift); }
@media (max-width: 560px) { .hero-render .shot { aspect-ratio: 4 / 3; } }

/* V1 -> review -> V2 */
.evolve { display: grid; grid-template-columns: minmax(0, 1fr) 9rem minmax(0, 1fr); gap: 16px; align-items: center; margin-top: 36px; }
.evolve-step { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 4px; color: var(--accent); padding-bottom: 28px; }
.evolve-step svg { width: 72px; height: 28px; color: var(--accent-2); }
.evolve-step span { font-size: 0.9375rem; font-weight: 700; }
.evolve-step small { font-size: 0.8125rem; color: var(--ink-soft); line-height: 1.35; }
@media (max-width: 720px) {
  .evolve { grid-template-columns: 1fr; }
  .evolve-step { padding: 0; }
  .evolve-step svg { transform: rotate(90deg); width: 48px; }
}
/* the same block upgraded by site.js into a drag-to-compare slider */
.compare { position: relative; margin-top: 36px; aspect-ratio: 16 / 9; background: #fff; overflow: hidden; box-shadow: var(--shadow-lift); user-select: none; touch-action: pan-y; }
.compare img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; pointer-events: none; }
.compare .top { position: absolute; inset: 0; clip-path: inset(0 0 0 var(--pos, 50%)); background: #fff; }
.compare .handle { position: absolute; top: 0; bottom: 0; left: var(--pos, 50%); width: 4px; margin-left: -2px; background: var(--grad); pointer-events: none; }
.compare .handle::after { content: "\2194"; position: absolute; top: 50%; left: 50%; width: 44px; height: 44px; margin: -22px 0 0 -22px; display: grid; place-items: center;
  background: var(--grad); color: #fff; font-size: 1.25rem; font-weight: 700; border-radius: 50%; box-shadow: var(--shadow-lift); }
.compare input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.compare input:focus-visible + .handle::after { outline: 3px solid var(--accent); outline-offset: 3px; }
.compare .tagv { position: absolute; top: 14px; padding: 4px 10px; font-size: 0.875rem; font-weight: 700; color: var(--on-accent); background: var(--grad); pointer-events: none; }
.compare .tagv.v1 { left: 14px; }
.compare .tagv.v2 { right: 14px; }
.evolve.compared { margin-top: 14px; align-items: start; }
.evolve.compared .shot { display: none; }
.evolve.compared figcaption { margin-top: 0; }
.evolve.compared figure:last-child { text-align: right; }
.evolve.compared .evolve-step { padding: 0; }
.evolve.compared .evolve-step svg { display: none; }
@media (max-width: 720px) {
  .compare { aspect-ratio: 4 / 3; }
  .evolve.compared { grid-template-columns: 1fr 1fr; }
  .evolve.compared .evolve-step { grid-column: 1 / -1; grid-row: 2; }
}

/* body + sticky section navigator */
.case { display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: 64px; padding-block: clamp(48px, 7vw, 96px) 24px; }
.case > div { min-width: 0; }
.steps { position: sticky; top: 96px; align-self: start; list-style: none; padding: 0; display: grid; gap: 2px; }
.steps a { display: block; padding: 6px 14px; color: var(--ink-soft); text-decoration: none; font-size: 0.9375rem; transition: color .2s ease, background-color .2s ease; }
.steps a:hover { color: var(--ink); background: var(--tint); }
.steps a.on { color: var(--accent); background: var(--accent-soft); font-weight: 600; box-shadow: inset 3px 0 0 var(--accent); }
@media (max-width: 900px) { .case { grid-template-columns: 1fr; gap: 0; padding-top: 40px; } .steps { display: none; } }

.step { padding-block: clamp(40px, 6vw, 72px); }
.step:first-child { padding-top: 0; }
.step > .label { display: none; }   /* section numbers: order is shown by position */
.step h2 { font-size: var(--step-2); }
.step .text { max-width: 66ch; margin-top: 18px; display: grid; gap: 14px; }
.step .text ul { padding-left: 1.1em; display: grid; gap: 8px; }
.step .text li::marker { color: var(--accent); }
.step h3.sub-title { font-size: var(--step-1); font-weight: 650; margin-top: 40px; }
.step h3.sub-title + .table-scroll { margin-top: 12px; }
.note { box-shadow: inset 4px 0 0 var(--accent); background: var(--accent-soft); padding: 14px 18px; max-width: 66ch; }
.note strong { color: var(--ink); }

/* tables keep their lines: they are real tables */
.table-scroll { overflow-x: auto; margin-top: 22px; background: var(--surface); }
table.spec { width: 100%; border-collapse: collapse; font-size: 0.9688rem; background: var(--surface); }
table.spec th, table.spec td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.spec th { font-size: 0.8125rem; font-weight: 600; color: var(--ink-soft); background: var(--tint); }
table.spec td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
table.spec .ok { color: var(--accent); font-weight: 650; }
.table-scroll tr:last-child td { border-bottom: 0; }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-block: 48px 8px; }
.pager a { display: block; padding: 22px 24px; text-decoration: none; color: var(--ink); background: var(--surface); transition: transform .3s var(--ease), background-color .2s ease; }
.pager a:hover { background: var(--accent-soft); transform: translateY(-3px); }
.pager a.next { text-align: right; }
.pager span { display: block; }
.pager b { font-size: 1.375rem; letter-spacing: -0.02em; }
@media (max-width: 560px) { .pager { grid-template-columns: 1fr; } .pager a.next { text-align: left; } }

/* about */
.about-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px 56px; align-items: center; }
.portrait { width: clamp(150px, 20vw, 240px); height: auto; aspect-ratio: 1; border-radius: 50%; object-fit: cover; box-shadow: 0 0 0 4px var(--surface), 0 0 0 7px var(--accent-2); }
@media (max-width: 680px) { .about-head { grid-template-columns: minmax(0, 1fr); } .portrait { order: -1; width: 128px; } }
.intro { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 32px 56px; align-items: start; }
.intro .prose { font-size: 1.125rem; }
.intro .chips { margin-top: 0; }
@media (max-width: 680px) { .intro { grid-template-columns: minmax(0, 1fr); } .intro .portrait { width: 128px; } }

.split { display: grid; grid-template-columns: 16rem minmax(0, 1fr); gap: 16px 56px; }
.split + .split { margin-top: clamp(56px, 8vw, 104px); }
.split > h2 { font-size: var(--step-2); }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }
.prose { max-width: 66ch; display: grid; gap: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; margin-top: 10px; }
.chips li { padding: 6px 12px; background: var(--surface); font-size: 0.9375rem; font-weight: 500; transition: background-color .2s ease, color .2s ease; }
main > section.block:nth-of-type(even) .chips li { background: var(--paper); }
.chips li:hover { background: var(--accent-soft); color: var(--accent); }
.skillset { display: grid; gap: 26px; }
.skillset h3 { font-size: 1rem; font-weight: 650; letter-spacing: -0.01em; color: var(--ink-soft); }
.timeline { display: grid; gap: 32px; }
.job { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: 4px 24px; }
.job .when { font-size: 0.9375rem; color: var(--ink-soft); padding-top: 3px; font-variant-numeric: tabular-nums; }
.job h3 { font-size: 1.3125rem; letter-spacing: -0.02em; }
.job p { color: var(--ink-soft); margin-top: 4px; max-width: 64ch; }
@media (max-width: 560px) { .job { grid-template-columns: 1fr; } }

/* resume page */
.docs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.doc { padding: 32px; background: var(--surface); display: grid; gap: 10px; align-content: start; }
.doc h2 { font-size: var(--step-2); }
.doc p { color: var(--ink-soft); }
.doc .actions { margin-top: 12px; }
@media (max-width: 640px) { .docs { grid-template-columns: 1fr; } }
.viewer { margin-top: 40px; overflow: hidden; background: var(--surface); }
.viewer object, .viewer iframe { display: block; width: 100%; height: min(1100px, 130vw); border: 0; }
.viewer .fallback { padding: 24px; }
@media (max-width: 640px) { .viewer { display: none; } }

/* footer: navy gradient close */
footer.site { padding-block: clamp(72px, 10vw, 128px) 40px; color: #e8f1fc;
  background: radial-gradient(60vmax 32vmax at 100% 0%, rgba(74, 163, 240, 0.35), transparent 70%), linear-gradient(160deg, var(--navy), #12407a); }
footer.site h2 { font-size: clamp(2.5rem, 6vw, 5rem); letter-spacing: -0.045em; }
footer.site p.lead { margin-top: 14px; color: #b9cde6; max-width: 52ch; font-size: 1.125rem; }
footer.site .actions { margin-top: 28px; }
footer.site .btn { background: rgba(255, 255, 255, 0.08); color: #fff; }
footer.site .btn:hover { background: rgba(255, 255, 255, 0.16); color: #fff; }
footer.site .btn.primary { background: #fff; color: #0b2d57; }
footer.site .btn.primary:hover { filter: none; background: #e6f0fc; color: #0b2d57; }
footer.site .fine { margin-top: 56px; font-size: 0.875rem; color: #8fa8c8; }

/* lightbox */
dialog.lb { border: 0; padding: 0; background: transparent; max-width: min(1400px, 96vw); max-height: 94vh; }
dialog.lb::backdrop { background: rgba(3, 8, 18, 0.9); }
dialog.lb img { max-width: 100%; max-height: 84vh; display: block; margin: 0 auto; background: #fff; }
dialog.lb p { color: #e8f1fc; text-align: center; margin-top: 10px; font-size: 0.9375rem; }
dialog.lb button { position: fixed; top: calc(env(safe-area-inset-top, 0px) + 14px); right: 16px; background: rgba(255,255,255,0.14); color: #fff; border: 0; padding: 8px 14px; font: 600 0.875rem var(--font-body); cursor: pointer; }

/* looping motion clips sit in the same white frames as images */
video.loop { display: block; width: 100%; height: 100%; object-fit: contain; background: #fff; }
.shot.still { cursor: default; }
.gallery.vids { max-width: 620px; }   /* phone clips are portrait */
.gallery.vids .shot { aspect-ratio: 9 / 16; background: #000; }
.gallery.vids video.loop { object-fit: cover; background: #000; }
@media (max-width: 520px) { .gallery.vids { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.gallery.tall { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gallery.tall .shot { aspect-ratio: 3 / 4; }   /* portrait phone photos */
@media (max-width: 520px) { .gallery.tall { grid-template-columns: 1fr; } }
.gallery.tall video.loop { object-fit: cover; }
.mini .art video.loop { object-fit: cover; }

/* text-only tile: a gradient figure stands in for the photo */
.mini .art.metric-art { display: grid; place-content: center; text-align: center; gap: 4px; background: var(--accent-soft); }
.metric-art b { font-size: clamp(2.25rem, 5vw, 3rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.metric-art span { font-size: 0.875rem; color: var(--ink-soft); }

/* interactive 3D model (assets/viewer.js) */
.model3d { position: relative; margin-top: 24px; overflow: hidden; background: radial-gradient(80% 90% at 50% 35%, var(--surface), var(--accent-soft)); }
.model3d .stage { aspect-ratio: 16 / 9; cursor: grab; touch-action: none; }
.model3d .stage:active { cursor: grabbing; }
.model3d .stage canvas { display: block; width: 100%; height: 100%; }
.model3d .stage::before { content: "Loading 3D model\2026"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--ink-soft); font-size: 0.875rem; }
.model3d.ready .stage::before { content: none; }
.model3d.failed .stage::before { content: "3D view unavailable in this browser"; }
.model3d .bar { position: absolute; left: 14px; right: 14px; bottom: 14px; display: flex; justify-content: space-between; align-items: center; gap: 12px; pointer-events: none; }
.model3d .hint { font-size: 0.8125rem; font-weight: 500; color: var(--ink-soft); background: color-mix(in srgb, var(--surface) 85%, transparent); padding: 4px 10px; transition: opacity .4s ease; }
.model3d.touched .hint { opacity: 0; }
.model3d .reset { pointer-events: auto; font: 600 0.8125rem var(--font-body); color: var(--accent); background: var(--surface); border: 0; padding: 6px 12px; cursor: pointer; }
.model3d .reset:hover { background: var(--accent-soft); }
.model3d .tag3d { position: absolute; top: 14px; left: 14px; font-size: 0.8125rem; font-weight: 700; color: var(--on-accent); background: var(--grad); padding: 4px 10px; pointer-events: none; }
@media (max-width: 560px) { .model3d .stage { aspect-ratio: 4 / 3; } }

/* ---------- showcase: renders slide in and out over a blue field ---------- */
:root { --panel: linear-gradient(150deg, #7dbcf3 0%, #3a8fe2 55%, #1e63bd 100%); --panel-glow: rgba(255, 255, 255, 0.55); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --panel: linear-gradient(150deg, #123766 0%, #0f4a97 55%, #1d6fd0 100%); --panel-glow: rgba(120, 182, 255, 0.35); } }
:root[data-theme="dark"] { --panel: linear-gradient(150deg, #123766 0%, #0f4a97 55%, #1d6fd0 100%); --panel-glow: rgba(120, 182, 255, 0.35); }

.hero-grid:has(.showcase) { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); }
.showcase { position: relative; container-type: inline-size; aspect-ratio: 1 / 1; overflow: hidden; color: #fff;
  background: radial-gradient(55% 45% at 50% 42%, var(--panel-glow), transparent 70%), var(--panel); box-shadow: var(--shadow-lift); }
.sc-slides { position: absolute; inset: 0; }
.sc-slide { position: absolute; inset: 0; display: block; color: #fff; text-decoration: none; pointer-events: none; }
.sc-slide.is-on { pointer-events: auto; }
.sc-slide::before { content: attr(data-word); position: absolute; left: 50%; top: 21%; transform: translate(-50%, -50%);
  font-weight: 900; font-size: calc(126cqi / var(--len, 5)); letter-spacing: -0.05em; line-height: 1; white-space: nowrap; color: rgba(255, 255, 255, 0.2);
  opacity: 0; translate: 22% 0; }
/* each render keeps its own studio background, framed in white */
.sc-slide img { position: absolute; left: 50%; top: 53%; width: 70%; height: auto; aspect-ratio: 4 / 3; object-fit: contain; background: #fff; padding: 2%;
  transform: translate(-50%, -50%); box-shadow: 0 30px 50px -24px rgba(2, 18, 46, 0.6); opacity: 0; translate: 62% 0; rotate: 7deg; scale: .9; }
/* transitions switch on after the first paint (site.js adds .sc-ready), so nothing animates during load */
.sc-ready .sc-slide::before { transition: opacity .7s ease, translate 1.1s var(--ease); }
.sc-ready .sc-slide img { transition: opacity .55s ease, translate 1s cubic-bezier(.2,.8,.2,1), rotate 1s cubic-bezier(.2,.8,.2,1), scale 1s cubic-bezier(.2,.8,.2,1); }
.sc-ready .sc-info { transition: opacity .5s ease, translate .6s var(--ease); }
.sc-slide.is-on::before { opacity: 1; translate: 0 0; }
.sc-slide.is-on img { opacity: 1; translate: 0 0; rotate: 0deg; scale: 1; animation: bob 5s ease-in-out .9s infinite; }
.sc-slide.is-out::before { translate: -22% 0; }
.sc-slide.is-out img { translate: -70% 0; rotate: -16deg; scale: .9; }
.sc-slide.back:not(.is-on):not(.is-out) img { translate: -62% 0; rotate: -12deg; }
.sc-slide.back.is-out img { translate: 70% 0; rotate: 12deg; }
@keyframes bob { 0%, 100% { transform: translate(-50%, -50%); } 50% { transform: translate(-50%, calc(-50% - 12px)); } }
.sc-slide:hover img { scale: 1.04; }
.sc-info { position: absolute; left: 6%; bottom: 7%; right: 34%; display: grid; gap: 2px; opacity: 0; translate: 0 14px; }
.sc-slide.is-on .sc-info { opacity: 1; translate: 0 0; transition-delay: .35s; }
.sc-info b { font-size: clamp(1.25rem, 4.6cqi, 2rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; }
.sc-info span { font-size: clamp(0.95rem, 3cqi, 1.25rem); font-weight: 600; color: rgba(255, 255, 255, 0.85); }
.sc-slide:hover .sc-info b { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 2px; }
.sc-controls { position: absolute; right: 5%; bottom: 7%; display: flex; gap: 8px; }
.sc-controls button { width: 46px; height: 46px; border: 0; border-radius: 50%; background: rgba(255, 255, 255, 0.16); color: #fff; font-size: 1.25rem; cursor: pointer;
  transition: background-color .2s ease, transform .2s var(--ease); }
.sc-controls button:hover { background: rgba(255, 255, 255, 0.3); transform: translateY(-2px); }
.sc-controls button:active { transform: scale(.94); }
.sc-dots { position: absolute; left: 6%; top: 6%; display: flex; gap: 6px; }
.sc-dots button { width: 26px; height: 4px; padding: 0; border: 0; background: rgba(255, 255, 255, 0.35); cursor: pointer; transition: background-color .3s ease, width .4s var(--ease); }
.sc-dots button[aria-current="true"] { width: 44px; background: #fff; }
.sc-dots button::after { content: ""; display: block; height: 100%; }
@media (max-width: 900px) { .hero-grid:has(.showcase) { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .sc-info { right: 6%; bottom: 18%; } .sc-controls { bottom: 5%; } .sc-slide img { top: 41%; width: 62%; } .sc-slide::before { top: 17%; } }

/* reading progress on project pages */
.progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 30; background: var(--grad); transform-origin: left; transform: scaleX(0); }

/* ---------- motion layer (assets/motion.js: GSAP + Lenis) ---------- */
/* Aurora: slow WebGL light bands behind each page's header */
.hero, .page-head, .case-head { position: relative; isolation: isolate; overflow: hidden; }
.hero > .wrap, .page-head > .wrap, .case-head > .wrap { position: relative; z-index: 1; }
canvas.aurora { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }

/* SplitText masks keep descenders */
.hero h1, .page-head h1, .case-head h1 { padding-bottom: 0.06em; }

/* ShinyText: a light sweep across the co-op line */
.hero .tag { background: linear-gradient(110deg, var(--accent) 38%, color-mix(in srgb, var(--accent-2) 30%, #fff) 50%, var(--accent) 62%);
  background-size: 250% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: shine 3.6s linear infinite; width: fit-content; }
@keyframes shine { from { background-position: 100% 0; } to { background-position: -100% 0; } }

/* GradientText: key numbers carry a slowly flowing blue gradient */
.card .kpi, .stats b, .metric-art b { background-image: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent)); background-size: 200% 100%; animation: flow 6s ease-in-out infinite alternate; }
@keyframes flow { from { background-position: 0% 0; } to { background-position: 100% 0; } }

/* primary buttons: a light sweep on hover (Magnet pull is added by motion.js) */
.btn.primary { position: relative; overflow: hidden; isolation: isolate; }
.btn.primary::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(105deg, transparent 30%, rgba(255,255,255,.45) 50%, transparent 70%); translate: -120% 0; transition: translate .7s var(--ease); }
.btn.primary:hover::after { translate: 120% 0; }

/* SpotlightCard: soft light and a glowing edge follow the pointer */
.spot { position: relative; }
.spot::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .35s ease; z-index: 2;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--accent-2) 16%, transparent), transparent 60%); }
.spot::before { content: ""; position: absolute; inset: 0; padding: 1.5px; pointer-events: none; opacity: 0; transition: opacity .35s ease; z-index: 3;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%), var(--accent-2), transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); }
.spot:hover::after, .spot:hover::before { opacity: 1; }

/* ScrollVelocity: skills marquee between the hero and the projects */
.velocity { padding-block: clamp(28px, 4vw, 48px); overflow: hidden; background: var(--paper);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.vrow { overflow: hidden; white-space: nowrap; }
.vrow + .vrow { margin-top: 4px; }
.vtrack { display: inline-block; will-change: transform; }
.vtrack span { display: inline-block; font-size: clamp(2.25rem, 6vw, 5rem); font-weight: 800; letter-spacing: -0.04em; line-height: 1.1; padding-right: 0.5em; color: var(--ink); }
.vtrack span::after { content: "\2022"; padding-left: 0.5em; color: var(--accent-2); }
.vrow:nth-child(2) .vtrack span { color: transparent; -webkit-text-stroke: max(1px, 0.025em) var(--accent); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .card:hover, .mini:hover, a.mini:hover, .pager a:hover, .btn:hover { transform: none; }
  .shot:hover img, .card:hover .art img, .mini:hover .art img, .rows .row:hover .art img { transform: none; }
  .hero .tag { background: none; color: var(--accent); }
}