/* ==========================================================================
   Shikhar Sahdev — portfolio
   Neutral paper + ink ground taken from the avatar's greys and charcoal;
   cobalt as the single accent, reading cool against the figure's warm skin.
   ========================================================================== */

:root {
  --paper:      #f4f3ef;
  --paper-warm: #eae8e2;
  --ink:        #16161a;
  --ink-soft:   #6b6b72;
  --ink-faint:  #9b9ba2;
  --accent:       #1b44e8;
  --accent-deep:  #1233b4;
  --slate:      #54546c;
  --hairline:   #dbd9d3;

  --measure: 1440px;
  --gutter: 2.5rem;
  --topbar-h: 3.77rem; /* measured height of .topbar — keep in sync if its padding changes */
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Archivo', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 400; }
p { margin: 0; }
button { font: inherit; color: inherit; background: none; border: none; padding: 0; cursor: pointer; }

::selection { background: var(--accent); color: var(--paper); }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 1rem;
  z-index: 200;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

/* Shared type utilities ---------------------------------------------------- */

.display {
  font-family: 'Archivo Black', 'Archivo', sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.86;
}

.label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.shell {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* Top bar ------------------------------------------------------------------ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--hairline);
}

.topbar-inner {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0.9rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mark {
  font-family: 'Archivo Black', 'Archivo', sans-serif;
  font-size: 20px;
  line-height: 1;
  letter-spacing: -0.03em;
  background: var(--ink);
  color: var(--paper);
  padding: 0.35rem 0.5rem 0.3rem;
  transition: background 0.15s;
}
a.mark:hover { background: var(--accent); }

.topbar nav {
  display: flex;
  gap: 1.75rem;
}

.topbar nav a {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}
.topbar nav a:hover { border-bottom-color: var(--accent); color: var(--accent); }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 12px;
}
.topbar-right a:hover { color: var(--accent); }

/* icon-only links get a real tap target without changing the visual size */
.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  margin: -0.375rem;
  transition: color 0.15s;
}

/* the mail icon stands in for the address once it no longer fits */
.mail-icon { display: none; }

/* Hero --------------------------------------------------------------------- */

.hero {
  position: relative;
  /* one screen including the sticky bar above it */
  min-height: calc(100vh - var(--topbar-h));
  min-height: calc(100svh - var(--topbar-h));
  padding: 1.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  /* stack sits low in the frame so the headline lands just above centre and
     the figure claims the vertical space below it */
  justify-content: flex-end;
  overflow: hidden;
}

.hero-type {
  position: relative;
  z-index: 1;
  text-align: center;
  pointer-events: none;
  flex-shrink: 0;
}

.hero-type h1 {
  font-family: 'Big Shoulders Display', 'Archivo Black', sans-serif;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  line-height: 0.8;
  /* one line spanning ~95% of the viewport; Big Shoulders Display measures
     6.97em for "Product Engineer", so 0.95 / 6.97 ≈ 13.6vw */
  white-space: nowrap;
  font-size: min(13.6vw, 30vh);
  color: var(--ink);
}

.hero-figure {
  position: relative;
  z-index: 2;
  /* sized by height, not width, so short viewports shrink it */
  height: clamp(240px, 74vh, 900px);
  /* rides up over the headline — the figure is the hero, the type frames it.
     ~75% of the cap height, so the words stay readable either side of the head */
  margin-top: clamp(-12rem, -9vh, -2.5rem);
  flex-shrink: 1;
  min-height: 0;
}

.hero-figure img {
  height: 100%;
  width: auto;
  filter: drop-shadow(0 28px 44px rgba(26, 26, 24, 0.18));
}

.hero-flank {
  position: absolute;
  bottom: 20%;
  z-index: 3;
  max-width: 15rem;
}
.hero-flank--left { left: var(--gutter); }
.hero-flank--right { right: var(--gutter); text-align: right; }

.hero-flank .k {
  font-family: 'Archivo Black', 'Archivo', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
}

.hero-flank .v {
  margin-top: 0.5rem;
  font-size: 12px;
  line-height: 1.45;
  color: var(--ink-soft);
}

.hero-lede {
  position: relative;
  z-index: 4;
  max-width: 46rem;
  margin: 0 auto;
  padding: clamp(1rem, 2.5vh, 2.25rem) var(--gutter) 0;
  text-align: center;
  font-size: clamp(0.95rem, min(1.7vw, 2vh), 1.35rem);
  line-height: 1.5;
  color: var(--ink-soft);
  flex-shrink: 0;
}
.hero-lede strong { font-weight: 600; color: var(--ink); }
.hero-lede .accent { color: var(--accent); font-weight: 600; }

/* Section head ------------------------------------------------------------- */

.section {
  padding: 7rem 0 0;
}

/* first section on an interior page needs less air above it */
.section--first { padding-top: 3.5rem; }

.crumbs {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  margin-bottom: 2.5rem;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.crumbs a { color: var(--ink-soft); border-bottom: 1px solid transparent; }
.crumbs a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.sub-head {
  font-family: 'Archivo Black', 'Archivo', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  margin-top: 5rem;
}

.sub-note {
  margin-top: 0.75rem;
  max-width: 44rem;
  color: var(--ink-soft);
}

/* Cross-page link card ------------------------------------------------------ */

.next-page {
  display: block;
  margin-top: 6rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  transition: background 0.18s;
}
.next-page:hover { background: var(--paper-warm); }

.next-page-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.next-page-title {
  display: block;
  margin-top: 0.6rem;
  font-family: 'Archivo Black', 'Archivo', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.025em;
  line-height: 0.95;
  font-size: clamp(1.9rem, 5vw, 3.4rem);
}
.next-page-title::after {
  content: ' \2192';
  display: inline-block;
  transition: transform 0.18s;
}
.next-page:hover .next-page-title::after { transform: translateX(0.35rem); }

.next-page-note {
  display: block;
  margin-top: 0.9rem;
  max-width: 44rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--hairline);
}

.section-head h1,
.section-head h2 {
  font-family: 'Archivo Black', 'Archivo', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.025em;
  line-height: 0.9;
  font-size: clamp(2.2rem, 6vw, 5rem);
}

.section-head p {
  max-width: 26rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

/* Case blocks -------------------------------------------------------------- */

.case {
  border-bottom: 1px solid var(--hairline);
}

.case-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 2.75rem 0;
  transition: background 0.18s;
}
.case-btn:hover { background: var(--paper-warm); }

.case-grid {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr) auto;
  gap: 2.5rem;
  align-items: baseline;
}

.case-no {
  font-family: 'Archivo Black', 'Archivo', sans-serif;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--ink-faint);
  transition: color 0.18s;
}
.case-btn:hover .case-no { color: var(--accent); }

.case-title {
  font-family: 'Archivo Black', 'Archivo', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.95;
  font-size: clamp(1.8rem, 4vw, 3.1rem);
}

.case-role {
  margin-top: 0.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
}

.case-brief {
  margin-top: 0.75rem;
  max-width: 46rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.case-brief b { font-weight: 600; color: var(--accent); }

.case-side {
  text-align: right;
  white-space: nowrap;
}

.case-dates {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.case-tag {
  margin-top: 0.5rem;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.case-more {
  margin-top: 1.25rem;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.case-more::after {
  content: '';
  width: 1.5rem;
  height: 1px;
  background: var(--ink);
  transition: width 0.18s, background 0.18s;
}
.case-btn:hover .case-more { color: var(--accent); }
.case-btn:hover .case-more::after { width: 2.5rem; background: var(--accent); }

/* Case detail (inline expand) ---------------------------------------------- */

.case-detail {
  display: none;
  padding: 0 0 3rem 8rem;
}
.case.is-open .case-detail { display: block; }

.case-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: 2.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--hairline);
}

.case-detail h4 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1rem;
}

.case-overview {
  grid-column: 1 / -1;
  max-width: 52rem;
  font-size: 1rem;
  color: var(--ink-soft);
  padding-top: 1.75rem;
}
.case-overview b { font-weight: 600; color: var(--accent); }

.case-detail ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.case-detail li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-soft);
}
.case-detail li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}
.case-detail .challenges li::before { background: var(--slate); }

.case-takeaway {
  grid-column: 1 / -1;
  padding-top: 0.5rem;
  font-size: 0.95rem;
  color: var(--ink);
}
.case-takeaway span {
  font-weight: 600;
  color: var(--accent);
}

/* Journey ------------------------------------------------------------------ */

.prose {
  max-width: 44rem;
  padding: 3rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  font-size: 1.05rem;
  color: var(--ink-soft);
}
.prose strong { font-weight: 600; color: var(--ink); }
.prose .accent { color: var(--accent); font-weight: 600; }

.projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 2.5rem;
  padding: 3.5rem 0 0;
}

.project h3 {
  font-family: 'Archivo Black', 'Archivo', sans-serif;
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
}

.project .tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.75rem;
}

.project p {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.recognition {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 0.75rem 3rem;
  padding: 3.5rem 0 0;
}

.rec-item {
  padding: 1rem 0;
  border-top: 1px solid var(--hairline);
}
.rec-item b { display: block; font-weight: 600; font-size: 0.95rem; }
.rec-item span { font-size: 0.85rem; color: var(--ink-faint); }

/* Footer ------------------------------------------------------------------- */

.footer {
  margin-top: 7rem;
  background: var(--ink);
  color: var(--paper);
  padding: 5rem 0 3rem;
  text-align: center;
}

.footer h2 {
  font-family: 'Archivo Black', 'Archivo', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.025em;
  line-height: 0.92;
  font-size: clamp(2rem, 6vw, 4.5rem);
  max-width: 18ch;
  margin: 0 auto;
}

.footer-links {
  margin-top: 2.5rem;
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--accent);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--accent); }

.footer-mark {
  font-family: 'Archivo Black', 'Archivo', sans-serif;
  font-size: clamp(3rem, 9vw, 6rem);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-top: 4rem;
  color: var(--paper);
}

.footer-fine {
  margin-top: 1rem;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* Responsive --------------------------------------------------------------- */

/* Desktop / landscape hero: type and figure are positioned independently so the
   headline can sit just above centre while the figure claims the full height. */
@media (min-width: 721px) {
  .hero {
    display: block;
    padding: 0;
  }

  .hero-type {
    position: absolute;
    left: 0;
    right: 0;
    top: 42%;
    transform: translateY(-50%);
  }

  .hero-figure {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 5.5rem;
    height: min(78vh, 860px);
    margin-top: 0;
  }

  .hero-lede {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 1.25rem;
    width: 100%;
    padding-top: 0;
  }
}

@media (max-width: 1024px) {
  .hero-flank { display: none; }
  .case-detail { padding-left: 0; }
}

@media (max-width: 720px) {
  :root { --gutter: 1.25rem; }

  .topbar-inner { gap: 0.75rem 1rem; }
  .topbar .loc, .topbar-right .mail { display: none; }
  .mail-icon { display: inline-flex; }
  .topbar-right { gap: 1.5rem; }

  .sub-head { margin-top: 3.5rem; }
  .next-page { margin-top: 4rem; padding: 2rem 0; }

  .hero { padding: 1rem 0 1.5rem; }

  /* two lines at phone widths — one line would force the type far too small.
     "ENGINEER" is the longer word at 3.47em, so 0.92 / 3.47 ≈ 26.5vw */
  .hero-type h1 {
    white-space: normal;
    font-size: min(26.5vw, 26vh);
    max-width: 9ch;
  }

  /* ~30% taller than the space below the headline allows, gained entirely at
     the top: the extra height is matched by extra negative margin, so the feet
     stay put and the figure grows up into the type. */
  .hero-figure {
    height: clamp(260px, 67.5vh, 600px);
    margin-top: clamp(-13rem, -19.5vh, -2.5rem);
  }
  .hero-lede { font-size: clamp(0.9rem, 1.9vh, 1.05rem); }

  .section { padding-top: 4.5rem; }
  .case-btn { padding: 2rem 0; }

  .case-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .case-side { text-align: left; }
  .case-no { font-size: 1.1rem; }

  .footer { margin-top: 4.5rem; padding: 3.5rem 0 2.5rem; }
  .footer-links { gap: 1.5rem; }
}

/* Short viewports (landscape phones, split screens): let the hero grow past
   the screen rather than crushing the figure into nothing. */
@media (max-height: 560px) {
  .hero {
    min-height: 0;
    padding: 2.5rem 0 3rem;
  }
  .hero-figure {
    height: clamp(160px, 58vh, 320px);
    margin-top: clamp(-4rem, -7vh, -1rem);
  }
  .hero-lede { padding-top: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; }
}

/* ==========================================================================
   Case study pages (/work/<slug>/)
   ========================================================================== */

.case-hero {
  padding: 3rem 0 3.5rem;
  border-bottom: 1px solid var(--hairline);
}

.case-hero-top {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.case-hero-no {
  font-family: 'Big Shoulders Display', 'Archivo Black', sans-serif;
  font-weight: 900;
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  line-height: 0.8;
  color: var(--accent);
}

.case-hero-logo {
  width: 4rem;
  height: 4rem;
  flex-shrink: 0;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-hero-logo img { width: 2.5rem; height: 2.5rem; object-fit: contain; }

.case-hero-title {
  font-family: 'Big Shoulders Display', 'Archivo Black', sans-serif;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 0.84;
  font-size: clamp(3rem, 13vw, 11rem);
}

.case-hero-role {
  margin-top: 1rem;
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 500;
}

.case-hero-summary {
  margin-top: 1rem;
  max-width: 46rem;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--ink-soft);
}

.case-facts {
  margin: 2.5rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
}
.case-facts div { display: flex; flex-direction: column; gap: 0.35rem; }
.case-facts dt {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.case-facts dd { margin: 0; font-size: 0.95rem; font-weight: 500; }

/* Screenshot ---------------------------------------------------------------- */

.case-shot {
  margin: 3.5rem 0 0;
}
.case-shot img {
  width: 100%;
  height: auto;
  border: 1px solid var(--hairline);
  border-radius: 14px;
}
.case-shot figcaption {
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--ink-faint);
}
.case-shot--mark {
  background: var(--paper-warm);
  border-radius: 14px;
  padding: 4rem 2rem 2rem;
  text-align: center;
}
.case-shot--mark img {
  width: auto;
  max-width: 12rem;
  max-height: 5rem;
  margin: 0 auto;
  border: 0;
  border-radius: 0;
}
.case-shot--mark figcaption { margin-top: 2.5rem; text-align: center; }

/* Metrics ------------------------------------------------------------------- */

.metrics {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  overflow: hidden;
}

.metric { background: var(--paper); padding: 1.75rem 1.5rem; }

.metric-value {
  font-family: 'Big Shoulders Display', 'Archivo Black', sans-serif;
  font-weight: 900;
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  line-height: 0.9;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.metric-label {
  margin-top: 0.5rem;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.metric-note {
  margin-top: 0.4rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* Sticky section nav -------------------------------------------------------- */

.case-subnav {
  position: sticky;
  top: var(--topbar-h);
  z-index: 50;
  margin-top: 3.5rem;
  background: var(--paper);
  border-bottom: 1px solid var(--hairline);
}
.case-subnav-inner {
  display: flex;
  gap: 1.75rem;
  overflow-x: auto;
  padding: 0.9rem 0;
  scrollbar-width: none;
}
.case-subnav-inner::-webkit-scrollbar { display: none; }
.case-subnav a {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.case-subnav a:hover { color: var(--ink); }
.case-subnav a.is-current { color: var(--accent); border-bottom-color: var(--accent); }

/* Body blocks --------------------------------------------------------------- */

.case-block { padding: 4.5rem 0 0; scroll-margin-top: 7rem; }

.case-h2 {
  font-family: 'Archivo Black', 'Archivo', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  margin-bottom: 1.75rem;
}

.case-prose {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 46rem;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  color: var(--ink-soft);
}
.case-prose b { font-weight: 600; color: var(--accent); }

.case-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: caseitem;
  border-top: 1px solid var(--hairline);
}
.case-list li {
  counter-increment: caseitem;
  position: relative;
  padding: 1.5rem 0 1.5rem 3.5rem;
  border-bottom: 1px solid var(--hairline);
}
.case-list li::before {
  content: counter(caseitem, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.55rem;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}
.case-list h3 { font-size: 1.1rem; font-weight: 600; }
.case-list p { margin-top: 0.4rem; max-width: 46rem; color: var(--ink-soft); font-size: 0.95rem; }

.case-takeaway-big {
  max-width: 44rem;
  font-size: clamp(1.2rem, 2.6vw, 1.8rem);
  line-height: 1.35;
  font-weight: 500;
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
  border-radius: 0;
}

.case-stack-head {
  margin-top: 3rem;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.case-stack {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.case-stack li {
  font-size: 12px;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  color: var(--ink-soft);
}

/* Pager --------------------------------------------------------------------- */

.pager {
  margin-top: 5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--hairline);
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
}
.pager-item { display: flex; flex-direction: column; gap: 0.35rem; }
.pager-next { text-align: right; margin-left: auto; }
.pager-dir {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.pager-name {
  font-family: 'Archivo Black', 'Archivo', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
}
.pager-item:hover .pager-name { color: var(--accent); }

/* Reveal on scroll — only active once JS opts in, so no-JS keeps everything */
.js .reveal { opacity: 0; transform: translateY(14px); }
.js .reveal.is-in { opacity: 1; transform: none; transition: opacity 0.5s ease, transform 0.5s ease; }

@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; }
}

@media (max-width: 720px) {
  .case-hero { padding: 2rem 0 2.5rem; }
  .case-facts { gap: 1.5rem 2rem; }
  .case-block { padding-top: 3rem; }
  .case-list li { padding-left: 2.75rem; }
  .metrics { border-radius: 12px; }
  .pager { flex-direction: column; gap: 2rem; }
  .pager-next { text-align: left; margin-left: 0; }
}

/* Homepage intro ------------------------------------------------------------ */

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 3rem;
  align-items: start;
}

.intro-lead {
  font-family: 'Archivo Black', 'Archivo', sans-serif;
  font-size: clamp(1.4rem, 2.8vw, 2.3rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.intro-body {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  font-size: clamp(1rem, 1.4vw, 1.08rem);
  color: var(--ink-soft);
}
.intro-body strong { font-weight: 600; color: var(--ink); }

.skills {
  margin: 3rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.skills li {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  color: var(--ink-soft);
}

/* visually hidden but present for assistive tech and crawlers */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* Footer nav ---------------------------------------------------------------- */

.footer-nav {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: center;
}
.footer-nav a {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  transition: color 0.15s;
}
.footer-nav a:hover { color: var(--paper); }

@media (max-width: 860px) {
  .intro-grid { grid-template-columns: 1fr; gap: 1.75rem; }
}

/* ==========================================================================
   Hero parallax
   hero.js writes --rx/--ry/--tx/--ty on .hero; each layer reads them at its
   own depth. Values default to zero so nothing shifts before JS loads, and
   the layout transforms (translateX/-Y) stay composed in here, not in JS.
   ========================================================================== */

.hero {
  --rx: 0deg;
  --ry: 0deg;
  --tx: 0px;
  --ty: 0px;
  --sy: 0px;
  --sf: 0px;
  perspective: 700px;
  perspective-origin: 50% 100%;
}

.hero--parallax .hero-flank {
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
/* figure and headline are driven per-frame by rAF — a CSS transition on top
   would fight the lerp and make scroll parallax feel rubbery */
.hero--parallax .hero-figure img,
.hero--parallax .hero-type {
  transition: none;
}

/* the figure carries the actual 3D rotation.
   perspective() is applied inline rather than inherited from .hero, because
   the img is a grandchild — an ancestor `perspective` would not reach it. */
.hero--parallax .hero-figure img {
  transform:
    perspective(700px)
    rotateX(var(--rx))
    rotateY(var(--ry))
    translate3d(var(--tx), calc(var(--ty) + var(--sf)), 0);
  /* pivot at the feet — the figure leans like it is standing on the baseline */
  transform-origin: 50% 100%;
  will-change: transform;
}

/* Headline sits furthest back: it counter-drifts from the pointer, and on
   scroll it holds back hard against the page via --sy — capped and eased in
   hero.js (not raw scroll-linear), reaching its full lag once the hero has
   scrolled by. The read-once-per-frame + single-lerp setup in hero.js is
   what keeps this jitter-free on iOS; the earlier jitter came from mixing
   an eased and an un-eased term in one transform, not from --sy itself. */
.hero--parallax .hero-type {
  transform: translate3d(
    calc(var(--tx) * -0.28),
    calc(var(--ty) * -0.28 + var(--sy)),
    0);
  will-change: transform;
}

/* flanks read as foreground annotations — they travel furthest */
.hero--parallax .hero-flank--left,
.hero--parallax .hero-flank--right {
  transform: translate3d(
    calc(var(--tx) * 1.6),
    calc(var(--ty) * 1.25 + var(--sf) * 0.5),
    0);
}

@media (min-width: 721px) {
  /* desktop keeps its centring transforms — compose, don't overwrite */
  .hero--parallax .hero-type {
    transform:
      translate3d(calc(var(--tx) * -0.28), calc(var(--ty) * -0.28 + var(--sy)), 0)
      translateY(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero {
    --sy: 0px;
    --sf: 0px;
  }
  .hero--parallax .hero-figure img,
  .hero--parallax .hero-type,
  .hero--parallax .hero-flank {
    transform: none;
    transition: none;
  }
  @media (min-width: 721px) {
    .hero--parallax .hero-type { transform: translateY(-50%); }
  }
}

/* Intro reveal — fades and rises into place as it enters view. The class is
   added by hero.js, so with JS disabled the section is simply visible with
   no transition; nothing is ever hidden without a script to reveal it. */
.reveal-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-in.is-in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}