/* ==========================================================================
   Portfolio stylesheet
   Light theme by default; dark via the header switch (html[data-theme]).
   All colors are tokens on :root / :root[data-theme="dark"]. Never hardcode
   a color on a component.
   ========================================================================== */

:root, :root[data-theme="light"] {
  --bg: #f7f8fa; --surface: #ffffff; --surface-2: #f1f4f8; --line: #e2e7ee; --line-2: #cdd5df;
  --text: #0f172a; --soft: #334155; --muted: #556275;
  --accent: #2f5bea; --accent-ink: #ffffff; --accent-soft: rgba(47, 91, 234, .09); --ok: #0a6f4c; --warn: #a3470a;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 12px 32px rgba(15, 23, 42, .06);
  --dot: #7f8c9f; --media-dim: 1;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0b0f16; --surface: #121823; --surface-2: #182130; --line: #222c3b; --line-2: #33415a;
  --text: #e8edf4; --soft: #c2cbd7; --muted: #8b98aa;
  --accent: #7c9cff; --accent-ink: #0b0f16; --accent-soft: rgba(124, 156, 255, .12); --ok: #4ade9b; --warn: #fbbf24;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 16px 40px rgba(0, 0, 0, .35);
  --dot: #64728a; --media-dim: .88;
  color-scheme: dark;
}
/* Controls drawn over screenshots or the lightbox scrim keep one look in both themes. */
:root {
  --scrim: rgba(8, 12, 20, .82); --on-scrim: #e2e8f0;
  --on-media: #ffffff; --on-media-ink: #0f172a; --media-shadow: 0 4px 14px rgba(0, 0, 0, .2);
}
* , *::before, *::after { box-sizing: border-box; } * { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; accent-color: var(--accent); scrollbar-color: var(--line-2) var(--bg); }
::selection { background: color-mix(in srgb, var(--accent) 24%, transparent); color: var(--text); }
body { font-family: "Inter", system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.65; -webkit-font-smoothing: antialiased; transition: background .25s, color .25s; }
a { color: inherit; } button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; } ul, ol { list-style: none; padding: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
h1, h2, h3 { letter-spacing: -.025em; line-height: 1.12; text-wrap: balance; }
h1 { font-size: clamp(2.3rem, 1.4rem + 3.6vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.5rem); font-weight: 750; }
h3 { font-size: 1.12rem; font-weight: 650; }
p { color: var(--soft); }
.cmd { font-family: "JetBrains Mono", monospace; font-size: .82rem; color: var(--accent); }
.cmd::before { content: "$ "; content: "$ " / ""; color: var(--muted); }

/* progress + header */
.progress { position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 60; background: transparent; }
.progress i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .1s linear; }
.top { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 20px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.brand i { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; background: var(--accent); color: var(--accent-ink); font-style: normal; font-weight: 800; font-size: .82rem; }
.nav { display: flex; gap: 2px; margin-inline-start: auto; }
.nav a { padding: 8px 11px; border-radius: 8px; font-size: .9rem; font-weight: 500; color: var(--muted); text-decoration: none; transition: .2s; }
.nav a:hover { color: var(--text); background: var(--surface-2); }
.nav a[aria-current] { color: var(--accent); background: var(--accent-soft); }
.theme-switch { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); }
.theme-switch button { display: inline-flex; align-items: center; gap: 6px; padding: 6px 11px; border-radius: 999px; font-size: .8rem; font-weight: 600; color: var(--muted); transition: .2s; }
.theme-switch button svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.theme-switch button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: 10px; border: 1px solid var(--line-2); font-weight: 600; font-size: .92rem; text-decoration: none; transition: .2s; background: var(--surface); white-space: nowrap; }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); color: var(--accent-ink); }
.btn.sm { min-height: 38px; padding: 0 14px; font-size: .85rem; }

/* hero */
.hero { padding: clamp(48px, 7vw, 88px) 0 32px; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.hero h1 { margin-top: 10px; } .hero h1 em { font-style: normal; color: var(--accent); }
.hero .lead { margin-top: 20px; max-width: 56ch; font-size: 1.1rem; }
.actions .phone-only { display: none; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.contact-card { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); }
.contact-card .avail { display: inline-flex; align-items: center; gap: 8px; font-size: .82rem; font-weight: 600; color: var(--ok); }
.contact-card .avail i { width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 18%, transparent); }
.contact-card dl { margin-top: 16px; display: grid; }
.contact-card dl div { display: grid; grid-template-columns: 92px 1fr; gap: 10px; align-items: center; padding: 11px 0; border-top: 1px solid var(--line); font-size: .92rem; }
.contact-card dt { font-size: .76rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.contact-card dd { margin: 0; display: flex; justify-content: space-between; align-items: center; gap: 10px; min-width: 0; }
.contact-card dd a { text-decoration: none; font-weight: 600; overflow-wrap: anywhere; } .contact-card dd a:hover { color: var(--accent); }
.copy { font-size: .72rem; font-weight: 600; padding: 4px 8px; border: 1px solid var(--line); border-radius: 6px; color: var(--muted); }
.copy:hover { color: var(--accent); border-color: var(--accent); }

/* proof: the one measured result leads, the rest is a quiet line */
.proof { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 14px 40px; align-items: center; padding: 28px 0 44px; border-top: 1px solid var(--line); }
.proof-lead { max-width: 42ch; font-size: clamp(1.15rem, 1rem + .7vw, 1.5rem); font-weight: 500; line-height: 1.42; letter-spacing: -.012em; color: var(--text); text-wrap: pretty; }
.proof-lead strong { font-weight: 750; color: var(--accent); }
.proof-lead a { font-size: .92rem; font-weight: 600; color: var(--accent); text-underline-offset: 3px; white-space: nowrap; }
.proof-facts { display: grid; gap: 6px; padding-inline-start: 24px; border-inline-start: 1px solid var(--line); font-size: .92rem; color: var(--soft); }
/* stat tiles (case-study pages) */
.stat { padding: 20px 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.stat strong { display: block; font-size: 2.1rem; font-weight: 800; letter-spacing: -.04em; line-height: 1.05; font-variant-numeric: tabular-nums; }
.stat > span { display: block; margin-top: 6px; font-size: .88rem; color: var(--muted); }

/* sections */
section.block { padding: clamp(56px, 8vw, 96px) 0; border-top: 1px solid var(--line); }
.head { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 16px 48px; align-items: end; margin-bottom: 32px; }
.head h2 { margin-top: 8px; } .head p { color: var(--muted); font-size: 1.02rem; }

/* work */
.work { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); overflow: hidden; transition: transform .25s, box-shadow .25s, border-color .25s; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--line-2); }
.card.lg { grid-column: span 6; flex-direction: row; } .card.md { grid-column: span 3; }
.body { padding: 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card.lg .body { flex: 1 1 56%; }
.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; font-size: .82rem; color: var(--muted); }
.status { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; border-radius: 999px; font-size: .72rem; font-weight: 700; letter-spacing: .03em; color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.status.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, transparent); }
.body h3 { font-size: 1.3rem; } .body h3 a { text-decoration: none; } .body h3 a:hover { color: var(--accent); }
.body .outcome { max-width: 60ch; font-size: 1rem; font-weight: 500; line-height: 1.5; color: var(--text); }
.body p { font-size: .95rem; }
.did { display: grid; gap: 6px; font-size: .92rem; color: var(--soft); }
.did li { display: grid; grid-template-columns: 16px 1fr; gap: 8px; }
.did li::before { content: ""; width: 10px; height: 5px; margin: .5em 0 0; margin-inline-start: 2px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags li { font-family: "JetBrains Mono", monospace; font-size: .72rem; padding: 4px 9px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--line); color: var(--soft); cursor: default; transition: .2s; }
.tags li.match { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.links { margin-top: auto; padding-top: 6px; display: flex; flex-wrap: wrap; gap: 10px; }

/* experience (sticky title) */
.split { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.6fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.sticky { position: sticky; top: 100px; }
.sticky h2 { margin-top: 8px; } .sticky p { margin-top: 14px; color: var(--muted); max-width: 36ch; }
.sticky .btn { margin-top: 20px; }
.job { display: grid; grid-template-columns: 140px 1fr; gap: 18px; padding: 24px 0; border-top: 1px solid var(--line); }
.job:first-child { border-top: 0; padding-top: 0; }
.job .when { font-family: "JetBrains Mono", monospace; font-size: .78rem; color: var(--muted); padding-top: 4px; }
.job .org { font-size: .9rem; color: var(--muted); }
.job h3 .status { margin-inline-start: 6px; vertical-align: 2px; }
.job ul.did { margin-top: 10px; } .job .tags { margin-top: 12px; }

/* skills */
.skills { display: grid; border-bottom: 1px solid var(--line); }
.skill { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 12px 40px; align-items: start; padding: 22px 0; border-top: 1px solid var(--line); }
.skill h3 { font-size: 1.05rem; } .skill p { margin-top: 4px; max-width: 34ch; font-size: .9rem; color: var(--muted); }
.skills-note { margin-top: 14px; font-size: .84rem; color: var(--muted); }

/* ask me: all answers visible */
.qa { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.qa article { padding: 20px 0; border-top: 1px solid var(--line); }
.qa article:last-child { border-bottom: 1px solid var(--line); }
.qa h3 { display: flex; gap: 10px; font-size: 1rem; } .qa h3::before { content: "Q"; content: "Q" / ""; flex: none; width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; font-size: .72rem; background: var(--accent-soft); color: var(--accent); }
.qa p { margin-top: 8px; font-size: .94rem; padding-inline-start: 32px; }

/* background */
/* same date column as the experience timeline, so both read as one system */
.timeline { display: grid; border-bottom: 1px solid var(--line); }
.timeline li { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 18px; padding: 22px 0; border-top: 1px solid var(--line); }
.timeline .when { font-family: "JetBrains Mono", monospace; font-size: .78rem; color: var(--muted); padding-top: 4px; }
.timeline p:not(.when) { margin-top: 6px; max-width: 70ch; font-size: .95rem; }
.langs-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 20px; margin-top: 24px; }
.langs-row h3 { font-size: .98rem; }
.langs { display: flex; flex-wrap: wrap; gap: 8px; }
.langs li { padding: 6px 10px; border-radius: 8px; background: var(--surface-2); border: 1px solid var(--line); font-size: .86rem; font-weight: 600; }
.langs small { font-weight: 400; color: var(--muted); margin-inline-start: 4px; }

/* contact */
.contact { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center; padding: clamp(28px, 5vw, 52px); border-radius: 22px; border: 1px solid var(--line); background: linear-gradient(140deg, var(--accent-soft), transparent 60%), var(--surface); }
.contact h2 { margin-top: 8px; } .contact p { margin-top: 12px; max-width: 48ch; }
.contact .rows { display: grid; gap: 8px; }
.contact .rows a { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; overflow-wrap: anywhere; padding: 13px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); text-decoration: none; font-weight: 600; font-size: .94rem; transition: .2s; }
.contact .rows a:hover { border-color: var(--accent); color: var(--accent); }
.contact .rows a span { font-weight: 500; color: var(--muted); font-size: .8rem; }
footer { padding: 28px 0 40px; font-size: .84rem; color: var(--muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

.to-top { position: fixed; inset-inline-end: 20px; bottom: 20px; z-index: 40; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); display: grid; place-items: center; opacity: 0; pointer-events: none; transition: opacity .25s; }
.to-top.show { opacity: 1; pointer-events: auto; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); padding: 10px 16px; border-radius: 10px; background: var(--text); color: var(--bg); font-size: .88rem; font-weight: 600; opacity: 0; transition: .25s; z-index: 70; pointer-events: none; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s, transform .5s; animation: reveal-failsafe .01s 3s forwards; }
.js-ok .reveal { animation: none; }
@keyframes reveal-failsafe { to { opacity: 1; transform: none; } }
.js .reveal.in { opacity: 1; transform: none; }


/* filters */
.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 22px; }
.filters button { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border: 1px solid var(--line-2); border-radius: 999px; background: var(--surface); font-size: .86rem; font-weight: 600; color: var(--soft); transition: .2s; }
.filters button span { font-size: .72rem; font-weight: 700; padding: 1px 7px; border-radius: 999px; background: var(--surface-2); color: var(--muted); }
.filters button:hover { border-color: var(--accent); color: var(--accent); }
.filters button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.filters button[aria-pressed="true"] span { background: color-mix(in srgb, var(--accent) 80%, var(--text)); color: var(--accent-ink); }
.filters-note { margin-inline-start: auto; font-size: .82rem; color: var(--muted); }
.card.is-hidden { display: none; }

/* screenshot slider */
/* every screenshot sits in the same neutral frame with its real domain, so client brands read as exhibits */
.slider { position: relative; display: flex; flex-direction: column; padding: 14px 14px 0; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.card.lg .slider { flex: 1 1 54%; border-bottom: 0; border-inline-end: 1px solid var(--line); }
.frame-bar { display: flex; align-items: center; padding: 8px 14px; border: 1px solid var(--line); border-bottom: 0; border-radius: 10px 10px 0 0; background: var(--surface); font-family: "JetBrains Mono", monospace; font-size: .8rem; line-height: 1.4; color: var(--muted); }
.frame-bar span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track { border-inline: 1px solid var(--line); display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; }
.track::-webkit-scrollbar { display: none; }
.track:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.slide { flex: 0 0 100%; scroll-snap-align: start; position: relative; margin: 0; }
.zoom { display: block; width: 100%; padding: 0; border: 0; background: none; cursor: zoom-in; }
.zoom:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }
.slide img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; cursor: zoom-in; filter: brightness(var(--media-dim)); }
.slider-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: auto -14px 0; padding: 10px 14px; border-top: 1px solid var(--line); background: var(--surface); }
.slide-caption { font-size: .8rem; font-weight: 600; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.arrow { position: absolute; top: calc(50% + 2px); transform: translateY(-50%); width: 38px; height: 38px; border-radius: 50%; background: color-mix(in srgb, var(--on-media) 94%, transparent); color: var(--on-media-ink); font-size: 1.4rem; line-height: 1; display: grid; place-items: center; box-shadow: var(--media-shadow); opacity: 0; transition: opacity .2s, transform .2s; }
.arrow.prev { left: 10px; } .arrow.next { right: 10px; }
.arrow svg, .to-top svg, .lightbox button svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.slider:hover .arrow, .slider:focus-within .arrow { opacity: 1; }
.arrow:hover { transform: translateY(-50%) scale(1.06); }
.arrow[aria-disabled="true"] { cursor: default; }
.slider:hover .arrow[aria-disabled="true"], .slider:focus-within .arrow[aria-disabled="true"] { opacity: .35; }
.dots { display: flex; gap: 6px; flex: none; }
.dots { gap: 0; }
.dots button { width: 24px; height: 24px; display: grid; place-items: center; border-radius: 6px; transition: width .25s; }
.dots button::before { content: ""; width: 8px; height: 8px; border-radius: 999px; background: var(--dot); transition: width .25s, background .25s; }
.dots button[aria-current="true"] { width: 34px; }
.dots button[aria-current="true"]::before { width: 22px; background: var(--accent); }
@media (hover: none) { .arrow { opacity: 1; } .arrow[aria-disabled="true"] { opacity: .35; } }

/* lightbox */
.lightbox { padding: 0; border: 0; background: transparent; max-width: min(1200px, 94vw); width: 100%; }
.lightbox::backdrop { background: var(--scrim); }
.lightbox figure { margin: 0; position: relative; }
.lightbox img { width: 100%; height: auto; border-radius: 12px; display: block; }
.lightbox figcaption { margin-top: 10px; color: var(--on-scrim); font-size: .9rem; text-align: center; }
.lightbox .close { position: absolute; inset-inline-end: 10px; top: 10px; z-index: 2; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: var(--on-media); color: var(--on-media-ink); }
.lightbox .lb-prev, .lightbox .lb-next { position: absolute; top: 45%; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; background: var(--on-media); color: var(--on-media-ink); box-shadow: var(--media-shadow); }
.lightbox .lb-prev { left: 10px; } .lightbox .lb-next { right: 10px; }

/* ask me: open Q&A + fit checker */
.ask { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.ask .qa { grid-template-columns: 1fr; gap: 0; }
.fit { position: sticky; top: 92px; padding: 22px 24px; display: flex; flex-direction: column; gap: 12px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); overflow: hidden; }
.fit-label { font-family: "JetBrains Mono", monospace; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.fit-options { display: grid; gap: 8px; min-inline-size: 0; margin: 0; padding: 0; border: 0; }
.fit-options label { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2); font-size: .92rem; cursor: pointer; transition: .2s; }
.fit-options label:hover { border-color: var(--line-2); }
.fit-options label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.fit-options input { accent-color: var(--accent); width: 16px; height: 16px; }
.fit-result { padding: 14px 16px; border-radius: 12px; border: 1px dashed var(--line-2); font-size: .92rem; color: var(--soft); min-height: 84px; }
.fit-result strong { color: var(--accent); }
.fit-result ul { margin-top: 8px; display: grid; gap: 4px; }
.fit-result li { display: grid; grid-template-columns: 16px 1fr; gap: 6px; }
.fit-result li::before { content: ""; width: 10px; height: 5px; margin: .5em 0 0; margin-inline-start: 2px; border-left: 2px solid var(--ok); border-bottom: 2px solid var(--ok); transform: rotate(-45deg); }
/* secondary skill: a half-filled ring */
.fit-result li.sec::before { width: 10px; height: 10px; margin: .38em 0 0; margin-inline-start: 1px; border: 2px solid var(--warn); border-radius: 50%; background: linear-gradient(90deg, var(--warn) 50%, transparent 50%); transform: none; }
.fit .btn { align-self: flex-start; }

@media (max-width: 1080px) {
  .top .wrap { flex-wrap: wrap; gap: 8px 12px; padding-block: 10px; }
  .theme-switch { margin-inline-start: auto; }
  .nav { order: 3; width: 100%; margin: 0; overflow-x: auto; scrollbar-width: none; -webkit-mask-image: linear-gradient(to right, currentColor calc(100% - 40px), transparent); mask-image: linear-gradient(to right, currentColor calc(100% - 40px), transparent); }
  .nav.at-end { -webkit-mask-image: none; mask-image: none; }
  .nav a { white-space: nowrap; }
}
@media (max-width: 1000px) {
  .ask { grid-template-columns: 1fr; } .fit { position: static; }
  .card.lg .slider { border-inline-end: 0; border-bottom: 1px solid var(--line); }
  .hero, .head, .split, .contact { grid-template-columns: 1fr; }
  .sticky { position: static; }
  .proof { grid-template-columns: 1fr; align-items: start; }
  .proof-facts { gap: 2px; padding-inline-start: 0; border-inline-start: 0; font-size: .9rem; color: var(--muted); }
  .card.md { grid-column: span 6; }
  .card.lg { flex-direction: column; }
  .qa { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 32px); }
  .theme-switch button span { display: none; }
  /* row 1: name + resume; row 2: section strip + theme switch */
  .top { transition: transform .25s ease-out; } .top.tucked { transform: translateY(-100%); }
  .top .btn { order: 2; margin-inline-start: auto; }
  .nav { flex: 0 0 calc(100% - 120px); }
  .theme-switch { order: 4; margin-inline-start: auto; }
  /* the hero keeps two buttons plus three quick links; full details live in #contact */
  .hero { padding-top: 32px; gap: 0; } .hero .lead { margin-top: 16px; font-size: 1.02rem; line-height: 1.6; }
  .hero .contact-card { display: none; }
  .actions .phone-only { display: inline-flex; }
  .proof { padding: 22px 0 30px; }
  .proof-facts { display: block; }
  .proof-facts span + span::before { content: "\00B7"; content: "\00B7" / ""; margin: 0 8px; color: var(--line-2); }
  section.block { padding-block: 44px; }
  /* filters scroll in one row like the nav strip; the result count stays announced */
  .filters { flex-wrap: nowrap; gap: 6px; margin-bottom: 16px; overflow-x: auto; scrollbar-width: none; -webkit-mask-image: linear-gradient(to right, currentColor calc(100% - 40px), transparent); mask-image: linear-gradient(to right, currentColor calc(100% - 40px), transparent); }
  .filters.at-end { -webkit-mask-image: none; mask-image: none; }
  .filters button { flex: none; padding: 8px 12px; gap: 6px; }
  .filters-note { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .proof-lead { font-size: 1.08rem; }
  .head { margin-bottom: 24px; } .head p { font-size: .96rem; }
  .slider { padding: 10px 10px 0; } .slider-bar { margin-inline: -10px; }
  .job, .timeline li, .skill { grid-template-columns: 1fr; gap: 4px; }
  .skill .tags { margin-top: 8px; }
}
@media (max-width: 480px) { .contact-card dl div { grid-template-columns: 1fr; gap: 2px; } }
/* very narrow phones: keep the name for assistive tech, show only the mark */
@media (max-width: 340px) { .brand span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; } html, .track { scroll-behavior: auto; } .js .reveal { opacity: 1; transform: none; } }
@media print { .js .reveal { opacity: 1; transform: none; } }
/* the tag highlight needs a hovering pointer, so its hint does too */
@media (hover: none) { .hover-hint { display: none; } }
/* touch screens: every control gets a 44px target */
@media (pointer: coarse) {
  .btn.sm, .nav a, .back-link, .brand, .filters button, .fit-options label, .case-nav a { min-height: 44px; }
  .nav a, .back-link, .case-nav a { display: inline-flex; align-items: center; }
  .theme-switch { padding: 0; } .theme-switch button { min-width: 44px; min-height: 44px; justify-content: center; }
  .copy { min-width: 44px; min-height: 44px; }
  .arrow, .lightbox .close { width: 44px; height: 44px; }
  .arrow { top: calc(50% - 8px); }
  .dots button, .dots button[aria-current="true"] { width: 44px; height: 44px; }
  .slide-caption { white-space: normal; line-height: 1.35; }
}

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* ==========================================================================
   Case-study pages
   ========================================================================== */
.skip-link { position: absolute; inset-inline-start: 16px; top: -60px; z-index: 100; padding: 10px 14px; border-radius: 8px; background: var(--accent); color: var(--accent-ink); font-weight: 600; text-decoration: none; }
.skip-link:focus { top: 12px; }
.case-hero { padding: clamp(40px, 6vw, 72px) 0 28px; }
.back-link { display: inline-flex; align-items: center; gap: 6px; font-size: .9rem; font-weight: 600; color: var(--muted); text-decoration: none; }
.back-link:hover { color: var(--accent); }
.case-hero .meta { margin-top: 22px; } .case-hero .cmd { margin-top: 18px; }
.case-hero h1 { margin-top: 12px; max-width: 20ch; font-size: clamp(2rem, 1.3rem + 3vw, 3.4rem); }
.case-hero .lead { margin-top: 16px; max-width: 66ch; font-size: 1.1rem; }
.case-hero .actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.case-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 30px; }
.case-facts > div { padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.case-facts dt { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.case-facts dd { margin: 4px 0 0; font-weight: 650; font-size: .95rem; }
.gallery { margin-top: 28px; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: var(--surface); box-shadow: var(--shadow); }
.gallery .slider { border-bottom: 0; }
.case-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 18px; }
.case-stats .stat strong { font-size: 1.6rem; }
.case-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: start; padding: clamp(40px, 6vw, 72px) 0; border-top: 1px solid var(--line); margin-top: clamp(40px, 6vw, 64px); }
.case-nav { position: sticky; top: 96px; display: grid; gap: 4px; }
.case-nav .label { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.case-nav a { padding: 6px 12px; border-inline-start: 2px solid var(--line); font-size: .9rem; color: var(--muted); text-decoration: none; transition: .2s; }
.case-nav a:hover { color: var(--text); border-color: var(--line-2); }
.case-nav a[aria-current] { color: var(--accent); border-color: var(--accent); font-weight: 600; }
.case-nav .tags { margin-top: 18px; }
.case-nav .btn { margin-top: 14px; justify-self: start; }
.case-body > section { padding-bottom: 40px; margin-bottom: 40px; border-bottom: 1px solid var(--line); }
.case-body > section:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.case-body h2 { font-size: clamp(1.4rem, 1.15rem + 1vw, 1.9rem); margin-bottom: 14px; }
.case-body h3 { margin: 22px 0 8px; font-size: 1.08rem; }
.case-body p { max-width: 70ch; }
.case-body p + p, .case-body .layer-table + p, .case-body .did + p { margin-top: 12px; }
.case-body .did { margin-top: 12px; max-width: 72ch; }
.callout { margin-top: 18px; padding: 14px 18px; border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent); border-radius: 12px; background: var(--accent-soft); font-size: .95rem; color: var(--soft); max-width: 72ch; }
.callout strong { color: var(--text); }
.layer-table { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: .94rem; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--surface); }
.layer-table th, .layer-table td { text-align: start; vertical-align: top; padding: 12px 16px; border-top: 1px solid var(--line); }
.layer-table thead th { border-top: 0; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); background: var(--surface-2); }
.layer-table tbody th { font-weight: 650; width: 22%; }
.layer-table td:last-child { font-family: "JetBrains Mono", monospace; font-size: .78rem; color: var(--muted); width: 30%; }
.steps { counter-reset: step; display: grid; gap: 10px; margin-top: 12px; max-width: 72ch; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.steps li::before { content: counter(step, decimal-leading-zero); font-family: "JetBrains Mono", monospace; font-size: .8rem; font-weight: 500; color: var(--accent); padding-top: 2px; }
.steps strong { display: block; }
.steps span { color: var(--muted); font-size: .9rem; }
.next-project { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 22px 26px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); text-decoration: none; transition: .25s; }
.next-project:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.next-project small { display: block; font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.next-project strong { display: block; margin-top: 4px; font-size: 1.25rem; }
.next-project span.go { font-weight: 700; color: var(--accent); }
.case-cta { margin: 18px 0 clamp(48px, 7vw, 80px); }
@media (max-width: 1000px) {
  .case-facts { grid-template-columns: 1fr 1fr; }
  .case-layout { grid-template-columns: 1fr; }
  .case-nav { position: static; display: flex; flex-wrap: wrap; gap: 4px 6px; }
  .case-nav .label { width: 100%; }
  .case-nav a { border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; }
  .case-nav .tags, .case-nav .btn { display: none; }
  .case-stats { grid-template-columns: 1fr; }
}
@media (max-width: 520px) { .case-facts { grid-template-columns: 1fr; } .layer-table thead { display: none; } .layer-table tr { display: grid; } .layer-table th, .layer-table td { width: auto !important; border-top: 0; padding: 6px 14px; } .layer-table tr + tr { border-top: 1px solid var(--line); } }