/* ═══════════════════════════════════════════════════════════════════════════
   INDUSTRY — design-system tokens and component classes.
   Source of truth for the system's look; retune the :root block to reskin.
   Steel-blue on a light technical ground, Barlow Condensed over Barlow,
   cards and buttons framed as blueprint objects with registration marks.
   ═══════════════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;700&family=Barlow+Condensed:wght@400;600&display=swap');

:root {
  --color-bg: #f2f2f3;
  --color-surface: #e9e9ea;
  --color-text: #1d1f20;
  --color-accent: #5980a6;
  --color-accent-2: #728fab;
  --color-divider: color-mix(in srgb, #1d1f20 16%, transparent);

  /* Tonal ramps — generated in OKLCH on one shared lightness scale, so the
     same step of any role matches the others in visual value. */
  --color-neutral-100: #f5f5f8;
  --color-neutral-200: #e7e7ea;
  --color-neutral-300: #d4d4d7;
  --color-neutral-400: #b7b7ba;
  --color-neutral-500: #98989b;
  --color-neutral-600: #7a7a7d;
  --color-neutral-700: #5d5d60;
  --color-neutral-800: #424244;
  --color-neutral-900: #2b2b2d;

  --color-accent-100: #eef6ff;
  --color-accent-200: #d6ebff;
  --color-accent-300: #b5d9fd;
  --color-accent-400: #94bce3;
  --color-accent-500: #749dc4;
  --color-accent-600: #597ea3;
  --color-accent-700: #416180;
  --color-accent-800: #2c455d;
  --color-accent-900: #1d2d3d;

  --color-accent-2-100: #eef6ff;
  --color-accent-2-200: #d6ebff;
  --color-accent-2-300: #bdd8f2;
  --color-accent-2-400: #9ebbd8;
  --color-accent-2-500: #7e9cb8;
  --color-accent-2-600: #627d98;
  --color-accent-2-700: #486077;
  --color-accent-2-800: #314457;
  --color-accent-2-900: #1f2d3a;

  --font-heading: "Barlow Condensed", system-ui, sans-serif;
  --font-heading-weight: 600;
  --font-body: "Barlow", system-ui, sans-serif;

  --space-1: 3.4px;
  --space-2: 6.8px;
  --space-3: 10.2px;
  --space-4: 13.6px;
  --space-6: 20.4px;
  --space-8: 27.2px;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 7px;

  /* Elevation — derived from the ground: soft ink-tinted shadows on a
     light theme, a hairline edge + ambient darkness on a dark one. */
  --shadow-sm: 0 1px 2px color-mix(in srgb, #2b2b2d 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2b2b2d 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2b2b2d 22%, transparent);
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); }

.blueprint {
  position: relative;
  border: 1px solid var(--color-divider);
  border-radius: 0;
}
/* The overlay image treatments (halftone, duotone) clip their overlay
   (overflow:hidden); a blueprint wrapper draws its registration marks
   outside the box, so when both classes share a wrapper the frame must
   win. */
.blueprint.halftone, .blueprint.plate, .blueprint.duotone { overflow: visible; }
.blueprint > .corner {
  position: absolute; width: 11px; height: 11px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.blueprint > .corner::before, .blueprint > .corner::after {
  content: ""; position: absolute; background: currentColor;
}
.blueprint > .corner::before { left: 5px; top: 0; width: 1px; height: 100%; }
.blueprint > .corner::after  { top: 5px; left: 0; width: 100%; height: 1px; }
.blueprint > .corner.tl { top: -6px; left: -6px; }
.blueprint > .corner.tr { top: -6px; right: -6px; }
.blueprint > .corner.bl { bottom: -6px; left: -6px; }
.blueprint > .corner.br { bottom: -6px; right: -6px; }

.duotone{position:relative;overflow:hidden}
.duotone::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:var(--color-accent);mix-blend-mode:color}

/* ══════════════════════════════════════════════════════════════════════════
   Components — built with the tokens above. Plain CSS on plain HTML.
   ══════════════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }
/* The UA rule for [hidden] is display:none at element specificity, so any
   class that sets display — .btn, .tag, .card — silently beats it. */
[hidden] { display: none !important; }
body { margin: 0; font-size: 1rem; line-height: 1.55; font-weight: 400; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
h1 { font-size: 2.625rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5625rem; }
h4 { font-size: 1.3125rem; }
h5 { font-size: 1.0625rem; }
h6 { font-size: 0.875rem; }
h6 { letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent-700); text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption {
  font-size: 0.75rem; margin-top: var(--space-1);
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.text-muted { color: color-mix(in srgb, var(--color-text) 55%, transparent); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

/* — rules — */
.hr {
  height: 1px; border: 0; margin: var(--space-4) 0;
  background: var(--color-divider);
}

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 0.9375rem; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}
.btn svg { display: block; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent-700); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-800); color: var(--color-bg); }
.btn-primary:active { background: var(--color-accent-900); color: var(--color-bg); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent-700); padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent) 18%, transparent); }
.btn-icon { width: 36px; height: 36px; padding: 0; }
.btn-block { width: 100%; margin-top: var(--space-2); }

/* — forms — */
.field > label {
  display: block; font-size: 0.8125rem; margin-bottom: 5px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.input {
  width: 100%; min-height: 36px; padding: 6px 10px; font: inherit;
  font-size: 0.9375rem; color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
textarea.input { min-height: 90px; resize: vertical; }
.radio { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 0.9375rem; }
.radio input, .seg-opt input {
  position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none;
}
.radio .dot {
  width: 16px; height: 16px; flex: none; border-radius: 50%;
  border: 1.5px solid var(--color-divider);
}
.radio:hover .dot { border-color: var(--color-accent); }
.radio input:checked + .dot {
  border-color: var(--color-accent); background: var(--color-accent);
  box-shadow: inset 0 0 0 4px var(--color-bg);
}
.radio input:focus-visible + .dot { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.seg {
  display: inline-flex; overflow: hidden;
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.seg-opt {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; font-size: 0.875rem; cursor: pointer;
}
.seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); }
.seg-opt:has(input:checked) { background: var(--color-accent); color: var(--color-bg); }
.seg-opt:not(:has(input:checked)):hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.seg-opt:has(input:focus-visible) { outline: 2px solid var(--color-accent); outline-offset: -2px; }

/* — cards — */
.card {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-3); border-radius: var(--radius-md); background: var(--color-surface);
}
.card-kicker { font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent-700); }
.card-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 1.125rem; line-height: 1.2;
}
.card-body { margin: 0; font-size: 0.875rem; opacity: 0.8; flex: 1; }
.card-meta {
  display: flex; align-items: center; gap: 6px; font-size: 0.75rem;
  color: color-mix(in srgb, var(--color-text) 50%, transparent);
}
.elev-sm { box-shadow: var(--shadow-sm); }
.elev-md { box-shadow: var(--shadow-md); }
.elev-lg { box-shadow: var(--shadow-lg); }

/* — tags — */
.tag {
  display: inline-flex; align-items: center; font-size: 0.75rem;
  letter-spacing: 0.02em; padding: 3px 10px;
  border-radius: calc(var(--radius-md) * 0.75);
}
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.tag-accent-2 { background: var(--color-accent-2-100); color: var(--color-accent-2-800); }
.tag-neutral { background: var(--color-neutral-100); color: var(--color-neutral-800); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--color-accent-700); }

/* — navigation — */
.nav {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-bottom: none;
}
.nav-brand {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 1.1875rem; margin-right: auto;
}
.nav a { color: inherit; text-decoration: none; font-size: 0.9375rem; }
.nav a:hover, .nav a[aria-current='page'] { color: var(--color-accent-700); }

/* — tables — */
.table { width: 100%; border-collapse: collapse; font-size: 1rem; }
.table th {
  text-align: left; font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  padding: var(--space-2); border-bottom: 1px solid var(--color-divider);
}
.table td {
  padding: var(--space-2);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}
.table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 4%, transparent); }

/* — dialog — */
.dialog-backdrop {
  position: fixed; inset: 0; display: grid; place-items: center;
  padding: var(--space-4);
  background: color-mix(in srgb, var(--color-neutral-900) 50%, transparent);
}
.dialog {
  width: min(440px, 100%); display: flex; flex-direction: column; gap: var(--space-3);
  padding: var(--space-4); border-radius: var(--radius-lg);
  background: var(--color-surface); box-shadow: var(--shadow-lg);
}
.dialog-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 1.3125rem;
}
.dialog-body { font-size: 0.9375rem; opacity: 0.85; }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }

/* — blueprint frame: components are wireframe objects (see .blueprint
     and .corner above) — square, transparent, hairline-bordered — */
.card, .btn, .input, .tag, .seg, .dialog { border-radius: 0; }
.card, .dialog { background: transparent; border: 1px solid var(--color-divider); }
.btn { border: 1px solid var(--color-divider); }
.btn-primary { border-color: var(--color-accent-700); }
.btn-ghost { border-color: transparent; }


/* ═══════════════════════════════════════════════════════════════════════════
   PAGE LAYER — the portfolio sheet. Everything below composes the system
   above; no new colors, fonts or spacing values are invented here.
   ═══════════════════════════════════════════════════════════════════════ */

/* Every type size below is rem, so it scales from this one value — and so a
   reader who has set a larger default font in their browser actually gets it,
   which px silently ignores. Raise this to enlarge the whole sheet. */
html { font-size: 100%; }
html { scroll-behavior: smooth; }
body { background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); }
a { color: var(--color-accent-700); text-underline-offset: 3px; }
/* Scoped away from .btn: a button carries its own colour pair, and this rule
   outranks .btn-primary on specificity — it was repainting the label the exact
   accent-800 that .btn-primary:hover paints behind it, so the text vanished. */
a:not(.btn):hover { color: var(--color-accent-800); }

@keyframes sheetIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes scan { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

/* ── Scroll reveal ───────────────────────────────────────────────────────
   The hidden state hangs off .reveal-ready, which assets/dom.js adds only
   when it is going to drive the animation. No script, no class, nothing
   hidden — the page renders exactly as it does now. */
.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity .6s cubic-bezier(.22, .61, .36, 1),
    transform .6s cubic-bezier(.22, .61, .36, 1);
  transition-delay: calc(var(--reveal-i, 0) * 65ms);
}
.reveal-ready [data-reveal].is-in { opacity: 1; transform: none; }

/* A drafting sheet is drawn line by line, so section rules extend rather
   than fade — the one flourish that belongs to this design specifically. */
.reveal-ready .sec-head[data-reveal]::after,
.reveal-ready .cs-section-head[data-reveal]::after {
  content: ""; position: absolute; left: 0; bottom: -1px; height: 1px;
  width: 0; background: var(--color-accent);
  transition: width .9s cubic-bezier(.22, .61, .36, 1) .15s;
}
.reveal-ready .sec-head[data-reveal].is-in::after,
.reveal-ready .cs-section-head[data-reveal].is-in::after { width: 100%; }
.sec-head, .cs-section-head { position: relative; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

/* — the drafting grid is the ground and runs full-bleed, so the sheet can be
     centred on a wide display without the ruling stopping at its edge — */
body {
  min-height: 100vh;
  background-image:
    linear-gradient(color-mix(in srgb, var(--color-text) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--color-text) 5%, transparent) 1px, transparent 1px);
  background-size: 34px 34px;
}

/* — the sheet: content column beside a fixed index rail, running the full
     width of the display. Line length is held by the ch-based caps on the
     prose itself, so the sheet can fill the screen without paragraphs
     stretching past what is comfortable to read. — */
.sheet {
  display: grid;
  grid-template-columns: 224px minmax(0, 1fr);
  min-height: 100vh;
}

.rail {
  position: sticky; top: 0; align-self: start; height: 100vh;
  border-right: 1px solid var(--color-divider);
  padding: 24px 20px;
  display: flex; flex-direction: column; gap: 26px;
  background: var(--color-bg);
}
.rail-name {
  font-family: var(--font-heading); font-size: 1.4375rem; line-height: 1.05;
  text-transform: uppercase; letter-spacing: .02em;
  color: var(--color-text); text-decoration: none;
}
.rail-nav { display: flex; flex-direction: column; gap: 2px; }
.rail-nav a {
  font-size: 0.8125rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--color-text); text-decoration: none;
  padding: 7px 8px; border-left: 2px solid transparent;
}
/* Hover and "you are here" must not look the same, or a reader can't tell
   which section they're in from which one they're pointing at. Hover tints;
   only the current section carries the accent rule. */
.rail-nav a:hover { background: var(--color-accent-100); color: var(--color-text); }
.rail-nav a.is-current {
  border-left-color: var(--color-accent);
  background: var(--color-accent-100);
  color: var(--color-accent-800);
}
.rail-spec { padding: 14px; }
.rail-spec-label { font-size: 0.75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--color-neutral-800); margin-bottom: 6px; }
.rail-spec-row { font-size: 0.875rem; line-height: 1.6; color: var(--color-neutral-800); }
.rail-spec-row + .rail-spec-row { margin-top: 8px; }
.rail-spec-row.is-num strong { font-variant-numeric: tabular-nums; }
.rail-index { display: flex; flex-direction: column; gap: 2px; }
.rail-index a {
  font-size: 0.8125rem; line-height: 1.4; color: var(--color-text); text-decoration: none;
  padding: 7px 8px; border-left: 2px solid transparent;
}
.rail-index a:hover { background: var(--color-accent-100); }
.rail-index a.is-current { border-left-color: var(--color-accent); }
.rail-foot { margin-top: auto; justify-content: flex-start; }

.sheet-main { padding: 34px 40px 60px; }
.section { margin-bottom: 46px; }

/* — section headings — */
.sec-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 24px; }
.sec-num { font-family: var(--font-heading); font-size: 0.9375rem; color: var(--color-accent-700); letter-spacing: .1em; }
.sec-head h2 {
  font-family: var(--font-heading); font-size: clamp(1.75rem, 3vw, 2.5rem);
  text-transform: uppercase; margin: 0;
}
.sec-note {
  font-size: 0.8125rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--color-neutral-800); margin-left: auto;
}

/* — 00 · intro — */
#hero { animation: sheetIn .6s ease both; }
.hero-kicker {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  font-size: 0.8125rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--color-neutral-800); margin-bottom: 18px;
}
.hero-title {
  font-family: var(--font-heading); font-size: clamp(2.5rem, 6vw, 5.25rem); line-height: 1;
  text-transform: uppercase; letter-spacing: -.01em; margin: 0 0 22px; max-width: 18ch;
}
.hero-rule {
  height: 2px; background: var(--color-accent); width: 180px;
  margin-bottom: 24px; overflow: hidden; position: relative;
}
.hero-rule span { position: absolute; inset: 0; background: var(--color-bg); animation: scan 3.4s ease-in-out infinite; }
/* The one line that tells a recruiter and a client, in the same breath, what
   this person does for someone. Sits above the detail, weighted heavier. */
.hero-pitch {
  font-size: 1.3125rem; line-height: 1.5; max-width: 58ch;
  color: var(--color-text); margin: 0 0 18px; text-wrap: pretty;
}
.hero-summary { font-size: 1.125rem; line-height: 1.65; max-width: 66ch; color: var(--color-neutral-800); margin: 0 0 26px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.hero-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 22px; }

.spec-card { padding: 18px; }
.spec-label { font-size: 0.75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--color-neutral-800); margin-bottom: 6px; }
.spec-title { font-family: var(--font-heading); font-size: 1.3125rem; text-transform: uppercase; }
.spec-meta { font-size: 0.875rem; color: var(--color-neutral-700); font-variant-numeric: tabular-nums; }
.spec-card.is-pub { background: var(--color-accent-900); color: var(--color-bg); }
.spec-card.is-pub .spec-label { color: inherit; opacity: .8; }
.spec-card.is-pub .spec-title { font-family: var(--font-body); font-size: 0.9375rem; line-height: 1.4; font-weight: 600; text-transform: none; }
.spec-card.is-pub .spec-meta { color: inherit; font-size: 0.8125rem; margin-top: 6px; opacity: .85; }

/* — 01 · selected work — */
.hero-project {
  padding: 28px; margin-bottom: 30px;
  display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(200px, .6fr); gap: 30px;
}
.hp-kicker { font-size: 0.75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--color-accent-700); margin-bottom: 10px; }
.hp-title {
  font-family: var(--font-heading); font-size: clamp(1.5rem, 2.8vw, 2.125rem);
  text-transform: uppercase; line-height: 1.06; margin: 0 0 14px; max-width: 22ch;
}
.hp-para { font-size: 1rem; line-height: 1.7; color: var(--color-neutral-800); margin: 0 0 12px; max-width: 64ch; }
.hp-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.hp-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.hp-actions .btn { justify-content: flex-start; }
.hp-side { display: flex; flex-direction: column; border-left: 1px solid var(--color-divider); padding-left: 22px; }
.hp-metric { padding: 12px 0; border-bottom: 1px dashed var(--color-divider); }
.hp-metric-value {
  font-family: var(--font-heading); font-size: 2.25rem; line-height: 1;
  color: var(--color-accent-700); font-variant-numeric: tabular-nums;
}
.hp-metric-label { font-size: 0.875rem; color: var(--color-neutral-700); }
.hp-note { padding: 12px 0; font-size: 0.8125rem; letter-spacing: .08em; text-transform: uppercase; color: var(--color-neutral-800); }

/* — 02 · more projects — */
.rows { border-top: 1px solid var(--color-divider); }
.row { border-bottom: 1px solid var(--color-divider); }
.row:hover { background: var(--color-accent-100); }
.row-btn {
  width: 100%; display: grid; grid-template-columns: 60px minmax(0, 1fr) auto;
  gap: 18px; align-items: center; text-align: left;
  background: transparent; border: 0; padding: 15px 12px; cursor: pointer;
  font-family: var(--font-body); color: var(--color-text);
}
.row-num { font-family: var(--font-heading); font-size: 0.9375rem; color: var(--color-accent-700); font-variant-numeric: tabular-nums; }
.row-titles { display: flex; flex-direction: column; gap: 3px; }
.row-title { font-family: var(--font-heading); font-size: 1.375rem; text-transform: uppercase; line-height: 1.1; }
.row-stack { font-size: 0.875rem; color: var(--color-neutral-700); }
.row-sign { font-size: 1.1875rem; color: var(--color-accent-700); font-weight: 600; }
.row-panel {
  max-height: 0; opacity: 0; overflow: hidden;
  transition: max-height .34s cubic-bezier(.22, .61, .36, 1), opacity .26s ease;
}
.row-panel-inner { display: grid; grid-template-columns: 60px minmax(0, 1fr); gap: 18px; padding: 0 12px 20px; }
.row-detail { font-size: 1rem; line-height: 1.7; max-width: 72ch; color: var(--color-neutral-800); margin: 0 0 12px; }
.row-links { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.row-links a { font-size: 0.8125rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }

/* — 03 · experience — */
.exp-list { display: flex; flex-direction: column; gap: 22px; }
.exp { padding: 24px; display: grid; grid-template-columns: minmax(170px, .38fr) minmax(0, 1.62fr); gap: 26px; }
.exp-org { font-family: var(--font-heading); font-size: 1.4375rem; text-transform: uppercase; }
.exp-period { font-size: 0.875rem; color: var(--color-neutral-700); font-variant-numeric: tabular-nums; margin-top: 4px; }
.exp-place { font-size: 0.875rem; color: var(--color-neutral-700); }
.exp-role { font-size: 1rem; font-weight: 600; margin-bottom: 12px; }
.exp-bullets {
  margin: 0 0 14px; padding-left: 18px;
  display: flex; flex-direction: column; gap: 9px;
  font-size: 1rem; line-height: 1.65; color: var(--color-neutral-800);
}
.exp-tags { display: flex; gap: 6px; flex-wrap: wrap; }

/* — 04 · skills — */
.specs-table { width: 100%; }
.specs-table td:first-child {
  width: 210px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; font-size: 0.9375rem;
}

/* — 05 · writing — */
.notes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 26px; }
.note-card { padding: 22px; text-decoration: none; color: var(--color-text); display: flex; flex-direction: column; gap: 8px; }
.note-card:hover { background: var(--color-accent-100); color: var(--color-text); }
.note-label { font-size: 0.75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--color-neutral-800); }
.note-title { font-family: var(--font-heading); font-size: 1.4375rem; text-transform: uppercase; line-height: 1.12; }
.note-summary { font-size: 1rem; color: var(--color-neutral-700); }

/* — github plate — */
.gh-plate { padding: 24px; }
.gh-head { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; flex-wrap: wrap; margin-bottom: 18px; }
.gh-head h2 { font-family: var(--font-heading); font-size: 1.5rem; text-transform: uppercase; margin: 0; }
.gh-head a { font-size: 0.8125rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 600; }
.gh-chart { width: 100%; }

/* — 06 · ask about me — */
.ask-panel { padding: 24px; display: flex; flex-direction: column; gap: 16px; }
.ask-log {
  min-height: 180px; max-height: 420px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 14px; padding-right: 4px;
}
.ask-empty { font-size: 1rem; line-height: 1.65; color: var(--color-neutral-700); max-width: 60ch; }
.msg { display: flex; flex-direction: column; gap: 5px; max-width: 80%; }
.msg-who { font-size: 0.75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--color-neutral-800); }
.msg-body {
  font-size: 1rem; line-height: 1.65; padding: 12px 14px;
  border: 1px solid var(--color-divider); color: var(--color-text);
  white-space: pre-wrap; background: transparent;
}
.msg.is-user { align-self: flex-end; }
.msg.is-user .msg-body { background: var(--color-accent-100); }
.msg.is-bot { align-self: flex-start; }
.ask-thinking { font-size: 0.8125rem; letter-spacing: .14em; text-transform: uppercase; color: var(--color-accent-700); }
.ask-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.ask-chip { cursor: pointer; font-family: var(--font-body); background: transparent; }
.ask-chip:hover { background: var(--color-accent-100); }
.ask-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.ask-note { font-size: 0.8125rem; color: var(--color-neutral-800); }

/* — 07 · contact — */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .8fr); gap: 34px; align-items: start; }
.contact-availability {
  display: inline-flex; margin-left: 12px;
  letter-spacing: .08em; text-transform: uppercase;
}
.contact h2 {
  font-family: var(--font-heading); font-size: clamp(2rem, 4vw, 3.5rem);
  text-transform: uppercase; line-height: 1.02; margin: 10px 0 18px; max-width: 15ch;
}
.contact-body { font-size: 1.0625rem; line-height: 1.65; max-width: 52ch; color: var(--color-neutral-800); margin: 0 0 22px; }
.contact-links { display: flex; flex-direction: column; gap: 5px; font-size: 1rem; font-weight: 600; }
.contact-form { padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.contact-form label { display: flex; flex-direction: column; gap: 5px; }
.contact-form label > span { font-size: 0.75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--color-neutral-800); }
.form-note { font-size: 0.8125rem; color: var(--color-neutral-800); }
/* Honeypot. Parked off-canvas in both axes rather than display:none, and
   aria-hidden in the markup so a screen-reader user is never offered it. */
.botcheck {
  position: absolute; left: -9999px; top: -9999px;
  width: 1px; height: 1px; opacity: 0; pointer-events: none;
}

/* — footer — */
.sheet-foot {
  margin-top: 46px; padding-top: 18px; border-top: 1px solid var(--color-divider);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 0.8125rem; letter-spacing: .08em; text-transform: uppercase; color: var(--color-neutral-800);
}
.sheet-foot nav { display: flex; gap: 18px; flex-wrap: wrap; }

/* — the case-study sheet (case.html) — another drawing in the same set —  */
.cs-metrics {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 22px; margin-bottom: 38px; max-width: 72ch;
}
.cs-metric { padding: 18px; }
.cs-metric-value {
  font-family: var(--font-heading); font-size: 2.5rem; line-height: 1;
  color: var(--color-accent-700); font-variant-numeric: tabular-nums;
}
.cs-metric-label { font-size: 0.875rem; color: var(--color-neutral-700); margin-top: 4px; }

.cs-section { margin-bottom: 34px; }
.cs-section-head {
  display: flex; align-items: baseline; gap: 12px;
  margin-bottom: 14px; padding-bottom: 8px;
  border-bottom: 1px solid var(--color-divider);
}
.cs-section-num {
  font-family: var(--font-heading); font-size: 0.875rem;
  color: var(--color-accent-700); letter-spacing: .1em; font-variant-numeric: tabular-nums;
}
.cs-section-title {
  font-family: var(--font-heading); font-size: 1.5rem;
  text-transform: uppercase; letter-spacing: .01em; margin: 0;
}
.cs-section p { font-size: 1.125rem; line-height: 1.75; margin: 0 0 18px; }
.cs-bullets {
  margin: 0 0 18px; padding-left: 20px;
  display: flex; flex-direction: column; gap: 11px;
  font-size: 1.0625rem; line-height: 1.7; color: var(--color-neutral-800);
}

/* — the note sheet (blog.html) — */
.note-main { padding: 34px 40px 60px; max-width: 92ch; }
.note-meta {
  font-size: 0.8125rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--color-neutral-800); margin-bottom: 16px;
  display: flex; gap: 12px; flex-wrap: wrap;
}
/* Carries what the rail's spec plate says, for the viewports where the plate
   is dropped to keep the pinned bar slim. Hidden wherever the plate shows. */
.meta-mobile { display: none; }
.note-h1 {
  font-family: var(--font-heading); font-size: clamp(2.125rem, 5.2vw, 4.5rem);
  text-transform: uppercase; line-height: 1; margin: 0 0 20px; max-width: 20ch;
}
.note-rule { height: 2px; background: var(--color-accent); width: 180px; margin-bottom: 22px; }
.note-lede { font-size: 1.25rem; line-height: 1.6; max-width: 60ch; color: var(--color-neutral-800); margin: 0 0 22px; text-wrap: pretty; }
.note-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 34px; }
.note-body { max-width: 72ch; }
.note-body p { font-size: 1.125rem; line-height: 1.75; margin: 0 0 22px; }
.note-actions {
  border-top: 1px solid var(--color-divider); padding-top: 22px; margin-top: 14px;
  display: flex; gap: 12px; flex-wrap: wrap;
}
.note-actions .btn { justify-content: flex-start; }
/* The address in plain text under the button. A mailto: does nothing at all
   for a visitor with no mail app configured, and without this they have no
   way to reach him from the page they are actually on. */
.mail-fallback {
  margin: 14px 0 0; font-size: 0.875rem; color: var(--color-neutral-800);
}

/* — no-JS fallback — */
.noscript-note {
  margin: 0; padding: 14px 18px; font-size: 0.9375rem; line-height: 1.6;
  border: 1px solid var(--color-accent); background: var(--color-accent-100); color: var(--color-accent-800);
}

/* Wide displays: the column is full-bleed now, so give the edges more air. */
@media (min-width: 1600px) {
  .sheet-main { padding: 40px 64px 72px; }
  .sheet { grid-template-columns: 260px minmax(0, 1fr); }
}

/* ── Responsive: the rail unpins and the two-column plates stack ────────── */
@media (max-width: 1020px) {
  .hero-project { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .hp-side { border-left: 0; border-top: 1px solid var(--color-divider); padding-left: 0; padding-top: 6px; }
  .contact { grid-template-columns: minmax(0, 1fr); gap: 26px; }
}

@media (max-width: 860px) {
  .sheet { grid-template-columns: minmax(0, 1fr); }

  /* The rail becomes a pinned header: the section index has to stay reachable
     from anywhere on a page this long, not just from the top. That makes its
     height a running cost on every screen, so it stays SHORT — name and résumé
     share one row, and the index is a single scrolling strip rather than four
     wrapped rows. */
  .rail {
    position: sticky; top: 0; z-index: 30; height: auto;
    border-right: 0; border-bottom: 1px solid var(--color-divider);
    padding: 14px 22px; gap: 10px 16px;
    flex-direction: row; flex-wrap: wrap; align-items: center;
    background: var(--color-bg);
  }
  .rail > :first-child { flex: 1 1 auto; }
  .rail-name { font-size: 1.25rem; }
  /* The case/blog rails break the name over two lines, which costs a row on a
     bar that is now pinned. One line across the top instead. */
  .rail-name br { display: none; }
  .rail-foot { margin-top: 0; align-self: center; order: 2; }

  /* .rail-nav is a direct flex child; .rail-index is nested inside
     .rail-group, which has to be told to span and to allow its scrolling
     child to shrink (min-width:0) or the nowrap strip forces the page wide. */
  .rail-group { order: 3; flex: 1 1 100%; min-width: 0; }
  .rail-nav, .rail-index {
    flex-direction: row; flex-wrap: nowrap;
    gap: 2px; overflow-x: auto; scrollbar-width: none;
  }
  .rail-nav {
    order: 3; flex: 1 1 100%; min-width: 0;
    /* Bleed to the page edge so the strip visibly runs off, which is what
       tells a thumb there's more to scroll. */
    margin: 0 -22px; padding: 0 22px;
  }
  .rail-nav::-webkit-scrollbar, .rail-index::-webkit-scrollbar { display: none; }
  .rail-nav a, .rail-index a {
    white-space: nowrap; border-left: 0; border-bottom: 2px solid transparent;
    padding: 0 10px; min-height: 44px; display: flex; align-items: center;
  }
  .rail-nav a:hover, .rail-index a:hover { border-left-color: transparent; }
  .rail-nav a.is-current, .rail-index a.is-current {
    border-left-color: transparent; border-bottom-color: var(--color-accent);
  }

  /* The spec plate would double the height of a bar that is now pinned to
     every screen, and everything on it (role, stack, read time) also renders
     inside the article on mobile — see .meta-mobile. So it goes. */
  .rail-spec { display: none; }
  .meta-mobile { display: inline; }

  /* Anchor jumps must land below the pinned bar, not behind it. */
  .sheet-main > section, .note-main > article { scroll-margin-top: 140px; }

  /* Touch targets: 32px is comfortable with a mouse and cramped with a thumb.
     Apple's HIG and WCAG 2.5.8 both land at 44. */
  .btn, .ask-chip, .input { min-height: 44px; }
  .rail-name { min-height: 44px; display: flex; align-items: center; }
  .row-links a, .gh-head a, .contact-links a, .sheet-foot a, .note-summary + a {
    display: inline-flex; align-items: center; min-height: 44px;
  }
  /* This one sits inside a sentence, so it can't become a flex box without
     breaking the line. Padding grows the touch target and the negative margin
     gives the space back to the layout, leaving the text exactly where it was. */
  .mail-fallback a { padding-block: 11px; margin-block: -11px; }

  .sheet-main, .note-main { padding: 26px 22px 48px; }
  .exp { grid-template-columns: minmax(0, 1fr); gap: 14px; padding: 20px; }
  .sec-note { margin-left: 0; flex-basis: 100%; }
  .sec-head { flex-wrap: wrap; }
  .msg { max-width: 92%; }
  .specs-table td:first-child { width: auto; }
  .specs-table tr { display: grid; }
  .specs-table td { border-bottom: 0; }
  .specs-table td:last-child { border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent); padding-top: 0; }
}

@media (max-width: 860px) {
  .contact-availability { margin-left: 0; margin-top: 10px; }
  .cs-section p { font-size: 1.0625rem; }
}

@media (max-width: 520px) {
  .row-btn, .row-panel-inner { grid-template-columns: 44px minmax(0, 1fr) auto; gap: 12px; }
  .row-panel-inner { grid-template-columns: 44px minmax(0, 1fr); }
  .hero-project { padding: 20px; }
  .ask-panel, .gh-plate, .contact-form { padding: 18px; }
  .ask-form { grid-template-columns: minmax(0, 1fr); }
  .hero-pitch { font-size: 1.1875rem; }
  .hero-actions .btn, .hp-actions .btn { flex: 1 1 auto; justify-content: center; }
  .cs-section-title { font-size: 1.375rem; }
}