/* =========================================================================
   Flynn Townsend — portfolio
   One shared stylesheet. Editorial / refined.
   Newsreader (Google Fonts) for display; system stacks for body and mono.
   Aesthetic: warm paper, ink serif display, monospace technical labels,
   a single vermilion signal accent. Deliberately not the tracker's navy/gold.
   ========================================================================= */

/* ---- Design tokens ---------------------------------------------------- */
:root {
  --paper:      #f4f1ea;
  --paper-card: #fbfaf6;
  --ink:        #16150f;
  --ink-soft:   #55524a;
  --ink-faint:  #8a867b;
  --line:       rgba(22, 21, 15, 0.14);
  --line-soft:  rgba(22, 21, 15, 0.08);
  --accent:     #d64525;   /* signal vermilion — large text / UI only        */
  --accent-ink: #b0361b;   /* darker, for text-sized accent (AA on paper)     */
  --accent-lift:#e88a70;   /* lighter, for text-sized accent on ink           */
  --accent-wash:#f7e7df;

  --font-display: Newsreader, "Iowan Old Style", "Palatino Linotype", Palatino,
                  "Book Antiqua", Georgia, serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
               sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Segoe UI Mono",
               Menlo, Consolas, monospace;

  --measure: 62ch;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --maxw: 1180px;

  --radius: 14px;
  --shadow: 0 1px 2px rgba(22,21,15,.05), 0 18px 40px -24px rgba(22,21,15,.35);
}

/* ---- Reset-ish -------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.96rem + 0.25vw, 1.075rem);
  line-height: 1.65;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  /* faint film-grain atmosphere so the paper never reads as flat #fff */
  background-image:
    radial-gradient(120% 80% at 100% 0%, rgba(214,69,37,0.05), transparent 55%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}
img { max-width: 100%; height: auto; display: block; }

/* ---- Links ------------------------------------------------------------ */
a { color: inherit; text-decoration: none; }
:focus-visible {
  outline: 2.5px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Inline text links: ink with an accent underline that sweeps in on hover */
.link {
  color: var(--ink);
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 1.5px;
  transition: background-size .25s ease, color .2s ease;
  padding-bottom: 1px;
}
.link:hover { color: var(--accent-ink); background-size: 100% 2px; }

/* ---- Shared layout ---------------------------------------------------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto;
        padding-inline: var(--gutter); }
.measure { max-width: var(--measure); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin: 0 0 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1.5px;
  background: var(--accent);
  display: inline-block;
}

/* ---- Site header ------------------------------------------------------ */
.site-head {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: saturate(1.2) blur(8px);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  border-bottom: 1px solid var(--line-soft);
}
.site-head .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 60px;
}
.monogram {
  font-family: var(--font-display);
  font-weight: 600; font-size: 1.15rem; letter-spacing: -0.02em;
  display: inline-flex; align-items: center; gap: 0.55rem;
}
.monogram .mark {
  display: inline-grid; place-items: center;
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--ink); color: var(--paper);
  font-size: 0.85rem; letter-spacing: -0.03em;
  border: 1.5px solid transparent;
}
.head-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-soft);
}
/* In-page section nav. Takes the slot .head-meta occupies on other pages. */
.site-nav {
  display: flex; flex-wrap: wrap; gap: clamp(0.9rem, 3vw, 1.6rem);
  font-family: var(--font-mono);
  font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase;
}
.site-nav a { color: var(--ink-soft); }
.site-nav a:hover { color: var(--accent-ink); }

/* ---- Skip link -------------------------------------------------------- */
.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--paper);
  padding: 0.6rem 1rem; border-radius: 0 0 8px 0; z-index: 50;
}
.skip:focus { left: 0; }

/* =========================================================================
   LANDING
   ========================================================================= */
.hero {
  padding-block: clamp(3.5rem, 9vw, 7rem) clamp(2.5rem, 5vw, 4rem);
}
.hero-grid {
  display: flex; flex-wrap: wrap;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: end;
}
.hero-lede { flex: 1.75 1 400px; }
.hero .eyebrow { margin-bottom: 1.4rem; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(3.2rem, 8vw, 7.5rem);
  line-height: 0.94;
  letter-spacing: -0.035em;
  margin: 0 0 clamp(1.2rem, 2.5vw, 1.8rem);
}
.hero .tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.35rem, 1rem + 1.5vw, 2.1rem);
  line-height: 1.28;
  color: var(--ink);
  max-width: 22ch;
  margin: 0;
}

/* ---- Dossier rail ------------------------------------------------------
   Label / value list. Base sits on paper (hero); --ink sits on the dark
   bands (Penang spec sheet).                                              */
.dossier {
  flex: 1 1 280px; margin: 0;
  border-top: 2px solid var(--ink);
}
.dossier > div {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 0.78rem 0;
  border-bottom: 1px solid var(--line);
}
.dossier dt {
  font-family: var(--font-mono);
  font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-faint); margin: 0;
}
.dossier dd { margin: 0; font-size: 0.92rem; text-align: right; }
.dossier dd.is-live { color: var(--accent-ink); }

.dossier--ink { border-top-color: color-mix(in srgb, var(--paper) 90%, transparent); }
.dossier--ink > div { border-bottom-color: color-mix(in srgb, var(--paper) 16%, transparent); }
.dossier--ink dt { color: color-mix(in srgb, var(--paper) 50%, transparent); }
.dossier--ink dd.is-live { color: var(--accent-lift); }

/* About */
.about {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-block: 1px solid var(--line);
}
.about-grid {
  display: flex; flex-wrap: wrap;
  gap: clamp(1.25rem, 3vw, 4rem);
  align-items: start;
}
.about-grid h2 {
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent-ink); margin: 0.55rem 0 0; font-weight: 500;
  flex: 0 1 190px;
}
.about-body { flex: 3 1 440px; }
.about p {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1rem + 1.15vw, 1.9rem);
  line-height: 1.45; margin: 0; letter-spacing: -0.012em;
  text-wrap: pretty;
}

/* Projects */
.projects { padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2rem, 4vw, 3rem); }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 500; font-size: clamp(1.9rem, 1rem + 2.4vw, 2.9rem);
  letter-spacing: -0.025em; margin: 0;
}
/* secondary sections sit a step down from the two headline ones */
.section-head--minor h2 { font-size: clamp(1.6rem, 1rem + 1.8vw, 2.2rem); }
.section-head .count {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-faint);
}

/* grid built to accept future cards without restructuring */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 400px), 1fr));
  gap: clamp(1.5rem, 3vw, 2.25rem);
}
.card {
  display: flex; flex-direction: column;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s cubic-bezier(.2,.7,.2,1), box-shadow .3s ease,
              border-color .3s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}
.card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden;
               background: #0d0d10; }
.card__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s cubic-bezier(.2,.7,.2,1);
}
.card:hover .card__media img { transform: scale(1.035); }
.card__tag {
  position: absolute; top: 0.9rem; left: 0.9rem;
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--paper);
  background: color-mix(in srgb, var(--ink) 78%, transparent);
  backdrop-filter: blur(4px);
  padding: 0.35rem 0.6rem; border-radius: 999px;
}
.card__body { padding: clamp(1.25rem, 3vw, 1.75rem); display: flex;
              flex-direction: column; gap: 0.6rem; flex: 1; }
.card__body h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.35rem, 1rem + 1vw, 1.7rem); letter-spacing: -0.02em;
  line-height: 1.15; margin: 0;
}
.card__body p { color: var(--ink-soft); margin: 0; font-size: 0.98rem; }
.card__cta {
  margin-top: auto; padding-top: 0.5rem;
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent-ink);
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.card__cta .arrow { transition: transform .25s ease; }
.card:hover .card__cta .arrow { transform: translateX(4px); }

/* A card whose case study is not written yet: no link, so no lift, and the
   media slot carries a label instead of a cover image. */
.card--pending:hover {
  transform: none; box-shadow: none; border-color: var(--line);
}
.card__media--pending {
  position: relative; aspect-ratio: 4 / 3;
  display: grid; place-items: center;
  background: var(--ink);
}
.card__media--pending::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(80% 120% at 100% 0%, rgba(214,69,37,.32), transparent 62%);
}
.card__media-label {
  position: relative; z-index: 1;
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent-lift);
}
.card__cta--pending { color: var(--ink-faint); }

/* Academic mini-cards (no imagery — text-first, same card grammar) */
.academic { padding-block: clamp(1.5rem, 4vw, 3rem) clamp(3rem, 6vw, 4.5rem); }
.mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: clamp(1.25rem, 2.5vw, 1.75rem);
}
.mini-card {
  display: flex; flex-direction: column; gap: 0.65rem;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 1.6rem);
  transition: border-color .25s ease, transform .25s ease;
}
.mini-card:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  transform: translateY(-3px);
}
.mini-card h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.2rem; letter-spacing: -0.01em; line-height: 1.2; margin: 0;
  padding-left: 1.1rem; position: relative;
}
.mini-card h3::before {
  content: ""; position: absolute; left: 0; top: 0.35em;
  width: 8px; height: 8px; border-radius: 2px;
  background: var(--accent); transform: rotate(45deg);
}
.mini-card p { margin: 0; color: var(--ink-soft); font-size: 0.94rem;
               line-height: 1.6; }
.mini-tags {
  font-family: var(--font-mono); font-size: 0.7rem !important;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-faint) !important;
  margin-top: auto !important; padding-top: 0.4rem;
}
.mini-link {
  align-self: flex-start;
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em;
  text-transform: uppercase;
}

.grid-more {
  margin: clamp(1.5rem, 3vw, 2rem) 0 0;
  font-size: 0.95rem;
}

/* =========================================================================
   FULL-BLEED INK BANDS (in-service screens, Penang exchange)
   ========================================================================= */
.band {
  background: var(--ink); color: var(--paper);
  position: relative; overflow: hidden;
}
.band::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(70% 100% at 100% 0%, rgba(214,69,37,.22), transparent 62%);
}
.band .wrap { position: relative; z-index: 1;
              padding-block: clamp(3rem, 7vw, 5.5rem); }
.band--left::before {
  background: radial-gradient(65% 90% at 0% 0%, rgba(214,69,37,.2), transparent 60%);
}
.band a { color: var(--paper); }
.band a:hover { color: var(--accent-lift); }

/* eyebrow variant for use on ink */
.eyebrow--lift { color: var(--accent-lift); }

.band-head {
  display: flex; flex-wrap: wrap;
  gap: clamp(1.25rem, 3vw, 4rem);
  align-items: start;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.band-label {
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent-lift); margin: 0.5rem 0 0;
  flex: 0 1 190px; font-weight: 500;
}
.band-copy { flex: 3 1 440px; }
.band-copy h2 {
  font-family: var(--font-display);
  font-weight: 500; font-size: clamp(1.9rem, 1rem + 2.6vw, 3rem);
  letter-spacing: -0.025em; line-height: 1.1; margin: 0 0 1rem;
}
.band-copy p {
  margin: 0; max-width: 54ch; font-size: 1.02rem;
  color: color-mix(in srgb, var(--paper) 72%, transparent);
}

/* ---- Screenshot grid inside a band ------------------------------------- */
.shot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: clamp(1.25rem, 3vw, 2rem);
}
.shot img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--paper) 16%, transparent);
}
.shot figcaption {
  font-family: var(--font-mono); font-size: 0.72rem; line-height: 1.55;
  color: color-mix(in srgb, var(--paper) 60%, transparent);
  margin-top: 0.85rem; padding-left: 0.9rem;
  border-left: 2px solid var(--accent); max-width: none;
}
.shot figcaption em { font-style: normal; color: var(--accent-lift); }

/* UI screenshots keep their whole frame instead of filling the tile. The
   letterbox matches the app chrome of both trackers (~#0c111b), so the tile
   reads as one surface rather than an image sitting in a box. */
.shot--ui img { object-fit: contain; background: #0b1017; }

/* Two ink bands running together need a seam, or they read as one slab. */
.band + .band { border-top: 1px solid color-mix(in srgb, var(--paper) 12%, transparent); }

/* Slot waiting on a screenshot. Holds the grid's shape so the band does not
   reflow when the image lands. */
.shot-pending {
  aspect-ratio: 4 / 3; border-radius: 12px;
  display: grid; place-items: center; padding: 1.25rem;
  border: 1px dashed color-mix(in srgb, var(--accent-lift) 50%, transparent);
  background: repeating-linear-gradient(135deg,
              color-mix(in srgb, var(--accent-lift) 9%, transparent) 0 7px,
              transparent 7px 14px);
}
.shot-pending span {
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent-lift); text-align: center;
}

/* ---- Crop helpers for object-fit imagery ------------------------------- */
.crop-upper { object-position: 50% 35%; }
.crop-mid   { object-position: 50% 55%; }
.crop-lower { object-position: 50% 65%; }
.crop-deep  { object-position: 50% 78%; }

/* =========================================================================
   THE DEGREE — stat cards + filterable subject ladder
   ========================================================================= */
.degree { padding-block: clamp(3.5rem, 8vw, 6rem) clamp(2rem, 4vw, 3rem); }
.degree .section-head { margin-bottom: clamp(2rem, 4vw, 3rem); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  gap: clamp(1rem, 2.5vw, 1.5rem);
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.stat {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 1.6rem);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.64rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-faint); margin: 0 0 0.5rem;
}
.stat-figure {
  font-family: var(--font-display);
  font-size: 3.1rem; line-height: 1; letter-spacing: -0.03em;
  margin: 0 0 0.35rem;
}
.stat-figure span {
  font-size: 1.1rem; letter-spacing: 0; color: var(--accent-ink);
}
.stat-note { margin: 0; font-size: 0.88rem; color: var(--ink-soft); }

.stat--ink { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.stat--ink .stat-label { color: var(--accent-lift); }
.stat--ink .stat-figure span { color: color-mix(in srgb, var(--paper) 60%, transparent); }
.stat--ink .stat-note { color: color-mix(in srgb, var(--paper) 70%, transparent); }

/* ---- Filter chips ------------------------------------------------------ */
.filter-bar {
  display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.filter-label {
  font-family: var(--font-mono);
  font-size: 0.66rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-faint); margin-right: 0.5rem;
}
.chip {
  font-family: var(--font-mono);
  font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.45rem 0.85rem; border-radius: 999px; cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--ink) 20%, transparent);
  background: transparent; color: var(--ink-soft);
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.chip:hover { border-color: var(--accent); color: var(--accent-ink); }
.chip[aria-pressed="true"] {
  background: var(--ink); border-color: var(--ink); color: var(--paper);
}

/* ---- Subject ladder --------------------------------------------------- */
/* Uniform whether one strand is filtered in or all three are. */
.strand { margin-bottom: clamp(2rem, 4vw, 2.75rem); }
.strand h3 {
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent-ink); font-weight: 500;
  margin: 0 0 1rem; padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}
.degree[data-filter="sec"] .strand:not([data-strand="sec"]),
.degree[data-filter="ana"] .strand:not([data-strand="ana"]),
.degree[data-filter="pro"] .strand:not([data-strand="pro"]) { display: none; }

.ladder-row {
  display: flex; flex-wrap: wrap; gap: 0.3rem 1rem; align-items: baseline;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.ladder-code {
  flex: 0 0 78px;
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-faint);
}
.ladder-name {
  flex: 1 1 210px;
  font-family: var(--font-display); font-size: 1.16rem; font-weight: 500;
}
.ladder-note { flex: 1.4 1 270px; font-size: 0.88rem; color: var(--ink-soft); }
.ladder-mark {
  flex: 0 0 150px;
  display: flex; align-items: center; gap: 0.6rem; justify-content: flex-end;
}
.ladder-mark .mark-badge { margin-left: 0; }
.ladder-bar {
  flex: 1; height: 4px; border-radius: 2px; overflow: hidden;
  background: color-mix(in srgb, var(--ink) 10%, transparent);
}
.ladder-bar > span { display: block; height: 100%; background: var(--accent); }
.ladder-session {
  font-family: var(--font-mono); font-size: 0.66rem; color: var(--ink-faint);
  white-space: nowrap;
}

/* =========================================================================
   PENANG — copy column, spec rail, photo mosaic
   ========================================================================= */
.penang-head {
  display: flex; flex-wrap: wrap;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.penang-copy { flex: 1.4 1 400px; }
.penang-copy h2 {
  font-family: var(--font-display);
  font-weight: 500; font-size: clamp(2.2rem, 1rem + 3.4vw, 4rem);
  letter-spacing: -0.03em; line-height: 1.02; margin: 0 0 1.4rem;
}
.penang-copy p { max-width: 56ch; text-wrap: pretty; }
.penang-copy .lede {
  margin: 0 0 1.1rem;
  font-size: clamp(1.05rem, 1rem + 0.45vw, 1.25rem); line-height: 1.6;
  color: color-mix(in srgb, var(--paper) 86%, transparent);
}
.penang-copy .trail {
  margin: 0; font-size: 1rem; line-height: 1.65;
  color: color-mix(in srgb, var(--paper) 68%, transparent);
}

.mosaic { display: flex; flex-direction: column; gap: clamp(.75rem, 1.5vw, 1rem); }
.mosaic-row { display: flex; flex-wrap: wrap; gap: clamp(.75rem, 1.5vw, 1rem); }
.mosaic figure { flex: 1 1 240px; }
.mosaic img {
  width: 100%; object-fit: cover; border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--paper) 14%, transparent);
}
.mosaic figcaption {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: color-mix(in srgb, var(--paper) 55%, transparent);
  margin-top: 0.7rem; padding-left: 0; border-left: 0; max-width: none;
}
.mosaic-row--tall img  { height: clamp(220px, 30vw, 420px); }
.mosaic-row--short img { height: clamp(180px, 22vw, 300px); }
.mosaic-row--tall  figure:first-child { flex: 1.55 1 340px; }
.mosaic-row--short figure:first-child { flex: 1.35 1 300px; }
.mosaic-row--short figure:last-child  { flex: 1.2 1 240px; }

/* Mark badges (coursework page) */
.mark-badge {
  font-family: var(--font-mono); font-size: 0.66rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-ink); background: var(--accent-wash);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: 999px; padding: 0.18rem 0.55rem;
  vertical-align: middle; margin-left: 0.45rem; white-space: nowrap;
}

/* Contact callout */
.contact { padding-block: 0 clamp(3rem, 7vw, 5rem); }

/* Skills & education strip */
.skills {
  padding-block: clamp(3rem, 7vw, 5rem) clamp(2rem, 4vw, 3rem);
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
}
.skills-col h3 {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent-ink);
  font-weight: 500; margin: 0 0 0.75rem;
}
.skills-col p { margin: 0; color: var(--ink-soft); font-size: 0.96rem;
                line-height: 1.7; }

/* =========================================================================
   CASE STUDY
   ========================================================================= */
.cs-hero { padding-block: clamp(3rem, 8vw, 6rem) clamp(2rem, 5vw, 3.5rem); }
.cs-hero h1 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2.4rem, 1.5rem + 4vw, 5rem);
  line-height: 1.02; letter-spacing: -0.03em;
  margin: 0 0 clamp(1rem, 2.5vw, 1.6rem); max-width: 16ch;
}
.standfirst {
  font-family: var(--font-display); font-style: italic;
  font-size: clamp(1.3rem, 1rem + 1.4vw, 2rem); line-height: 1.35;
  color: var(--ink); max-width: 34ch; margin: 0;
}

/* figures */
figure { margin: 0; }
.figure-hero { margin-block: clamp(2rem, 5vw, 3.5rem); }
.figure-hero img, .gallery img {
  width: 100%; border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: #0d0d10;
}
figcaption {
  font-family: var(--font-mono); font-size: 0.74rem; line-height: 1.55;
  letter-spacing: 0.02em; color: var(--ink-soft);
  margin-top: 0.9rem; padding-left: 1rem;
  border-left: 2px solid var(--accent); max-width: 60ch;
}

/* numbered content sections */
.cs-section { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.cs-section + .cs-section { border-top: 1px solid var(--line-soft); }
.cs-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.5fr) minmax(0, 2fr);
  gap: clamp(1rem, 4vw, 3.5rem);
  align-items: start;
}
.cs-num {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent-ink);
  position: sticky; top: 80px;
}
.cs-num b { display: block; color: var(--ink-faint); font-weight: 400;
            font-size: 2.2rem; letter-spacing: -0.02em; margin-bottom: 0.3rem;
            font-family: var(--font-display); }
.cs-body h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.7rem, 1rem + 2.4vw, 2.6rem); letter-spacing: -0.02em;
  line-height: 1.1; margin: 0 0 1.2rem;
}
.cs-body p {
  font-size: clamp(1.05rem, 1rem + 0.4vw, 1.22rem); line-height: 1.65;
  color: var(--ink); margin: 0 0 1.1rem; max-width: var(--measure);
}
.cs-body .lead {
  font-family: var(--font-display); font-size: clamp(1.2rem, 1rem + 1vw, 1.5rem);
  line-height: 1.45; color: var(--ink); max-width: 42ch;
}

/* demo callout */
.demo-callout {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 4vw, 2.75rem);
  display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem 2rem;
  justify-content: space-between;
  position: relative; overflow: hidden;
}
.demo-callout::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(80% 120% at 100% 0%, rgba(214,69,37,.28), transparent 60%);
  pointer-events: none;
}
.demo-callout .demo-copy { position: relative; z-index: 1; }
.demo-callout .demo-label {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent-lift);
  margin: 0 0 0.6rem;
}
.demo-callout .demo-head {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1rem + 1.6vw, 2.2rem);
  line-height: 1.2; letter-spacing: -0.02em; margin: 0;
}
.demo-callout .demo-sub {
  margin: 0.6rem 0 0; color: color-mix(in srgb, var(--paper) 72%, transparent);
  font-size: 0.9rem; max-width: 40ch;
}
.btn-demo {
  position: relative; z-index: 1;
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: var(--accent); color: #fff8f4;
  font-family: var(--font-mono); font-size: 0.86rem; letter-spacing: 0.05em;
  font-weight: 500;
  padding: 0.95rem 1.5rem; border-radius: 10px;
  white-space: nowrap;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
  box-shadow: 0 10px 24px -12px rgba(214,69,37,.9);
}
.btn-demo:hover { transform: translateY(-2px);
  background: color-mix(in srgb, var(--accent) 88%, #fff);
  box-shadow: 0 16px 30px -12px rgba(214,69,37,.95); }
.btn-demo .arrow { transition: transform .25s ease; }
.btn-demo:hover .arrow { transform: translateX(4px); }

/* real-world gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

/* technical deep-dive blocks */
.tech-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: clamp(1rem, 2.5vw, 1.5rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
  list-style: none; padding: 0;
}
.tech-block {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 1.6rem);
  position: relative;
  transition: border-color .25s ease, transform .25s ease;
}
.tech-block:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
                    transform: translateY(-3px); }
.tech-block h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.2rem; letter-spacing: -0.01em; margin: 0 0 0.55rem;
  padding-left: 1.1rem; position: relative;
}
.tech-block h3::before {
  content: ""; position: absolute; left: 0; top: 0.35em;
  width: 8px; height: 8px; border-radius: 2px;
  background: var(--accent); transform: rotate(45deg);
}
.tech-block p { margin: 0; color: var(--ink-soft); font-size: 0.96rem;
                line-height: 1.6; }

/* =========================================================================
   Footer
   ========================================================================= */
.site-foot {
  border-top: 1px solid var(--line);
  padding-block: clamp(2.5rem, 6vw, 4rem);
  margin-top: clamp(2rem, 5vw, 4rem);
}
.foot-grid {
  display: flex; flex-wrap: wrap; gap: 1rem 2.5rem;
  align-items: center; justify-content: space-between;
}
.foot-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.75rem;
              list-style: none; margin: 0; padding: 0; }
.foot-links a {
  font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.06em;
  color: var(--ink); display: inline-flex; align-items: center; gap: 0.4rem;
}
.foot-links a:hover { color: var(--accent-ink); }
.foot-note {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-faint);
}

/* =========================================================================
   Reveal-on-load (staggered). Disabled for reduced-motion.
   ========================================================================= */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(16px);
            animation: reveal .7s cubic-bezier(.2,.7,.2,1) forwards; }
  .reveal[data-d="1"] { animation-delay: .05s; }
  .reveal[data-d="2"] { animation-delay: .14s; }
  .reveal[data-d="3"] { animation-delay: .23s; }
  .reveal[data-d="4"] { animation-delay: .32s; }
  @keyframes reveal { to { opacity: 1; transform: none; } }
}

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 720px) {
  .head-meta { display: none; }
  .site-nav { gap: 0.85rem; font-size: 0.62rem; letter-spacing: 0.1em; }
  .about-grid { gap: 0.75rem; }
  .band-head { gap: 0.75rem; }
  .band-label { margin-top: 0; }
  /* the mark column stops fighting the subject name for room */
  .ladder-mark { flex: 1 0 100%; justify-content: flex-start; }
  .ladder-bar { max-width: 120px; }
  .mosaic-row img { height: clamp(180px, 46vw, 260px); }
  .cs-grid { grid-template-columns: 1fr; gap: 0.5rem; }
  .cs-num { position: static; display: flex; align-items: baseline; gap: 0.75rem;
            margin-bottom: 0.75rem; }
  .cs-num b { margin-bottom: 0; font-size: 1.6rem; }
  .demo-callout { flex-direction: column; align-items: flex-start; }
  .btn-demo { width: 100%; justify-content: center; }
}

/* Where the header also carries section nav, the wordmark gives up its space
   before the nav wraps to a second line. */
@media (max-width: 560px) {
  .site-head--nav .monogram span:not(.mark) { display: none; }
}