/* ============================================================
   Basel Ashraf - caustic optics
   Ground is ink. Surfaces are glass with a real green edge.
   Light is computed, warm, and splits into colour only at
   refraction fringes.
   ============================================================ */

:root {
  /* ground */
  --ink: #070b10;
  --ink-deep: #04070b;
  --ink-raise: #0b1219;

  /* glass */
  --glass: rgba(122, 190, 190, 0.045);
  --glass-2: rgba(122, 190, 190, 0.075);
  --edge: #4fd6b0;
  /* the green you see in the edge of thick acrylic */
  --edge-soft: rgba(79, 214, 176, 0.30);
  --edge-hair: rgba(150, 200, 205, 0.16);

  /* light */
  --light: #fff6e2;
  /* concentrated caustic core */
  --amber: #ffb45c;
  /* dispersion, long wavelength */
  --magenta: #ff7ab8;
  --cyan: #6fe3ff;
  /* dispersion, short wavelength */

  /* text, tinted from the ground's hue rather than grey */
  --fg: #e9eff3;
  --fg-2: #9fb2be;
  --fg-3: #7c8e9b;

  --shell: 74rem;
  --measure: 68ch;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --s1: 0.5rem;
  --s2: 0.875rem;
  --s3: 1.375rem;
  --s4: 2.25rem;
  --s5: 3.5rem;
  --s6: 5.5rem;
  --s7: 8.5rem;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--fg);
  font-family: 'Archivo', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-variation-settings: 'wdth' 100, 'wght' 400;
  font-size: clamp(1rem, 0.94rem + 0.28vw, 1.125rem);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* the whole page sits in a faint pool of light from above */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(120% 70% at 50% -10%, rgba(255, 246, 226, 0.055), transparent 60%),
    radial-gradient(90% 55% at 82% 8%, rgba(111, 227, 255, 0.035), transparent 62%);
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3.5rem);
  position: relative;
  z-index: 1;
}

/* ---------- type ---------- */

h1,
h2,
h3,
h4 {
  margin: 0;
  text-wrap: balance;
}

.h2 {
  font-size: clamp(1.85rem, 1.15rem + 2.6vw, 3.15rem);
  font-variation-settings: 'wdth' 112, 'wght' 620;
  letter-spacing: -0.032em;
  line-height: 1.06;
  max-width: 30ch;
}

.h3 {
  font-size: clamp(1.3rem, 1.05rem + 0.95vw, 1.85rem);
  font-variation-settings: 'wdth' 106, 'wght' 600;
  letter-spacing: -0.022em;
  line-height: 1.15;
}

.h4 {
  font-size: 1.0625rem;
  font-variation-settings: 'wdth' 100, 'wght' 660;
  letter-spacing: 0.005em;
}

p {
  margin: 0 0 var(--s3);
  max-width: var(--measure);
}

p:last-child {
  margin-bottom: 0;
}

.lede {
  font-size: clamp(1.05rem, 0.98rem + 0.4vw, 1.28rem);
  color: var(--fg-2);
  line-height: 1.56;
  max-width: 62ch;
}

.lede strong {
  color: var(--fg);
  font-variation-settings: 'wdth' 100, 'wght' 620;
}

b,
strong {
  font-variation-settings: 'wdth' 100, 'wght' 640;
}

a {
  color: var(--fg);
  text-decoration-color: var(--edge-soft);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover {
  text-decoration-color: var(--edge);
}

:focus-visible {
  outline: 2px solid var(--light);
  outline-offset: 3px;
  border-radius: 2px;
}

kbd {
  font: inherit;
  font-size: 0.86em;
  font-variation-settings: 'wdth' 88, 'wght' 560;
  padding: 0.08em 0.42em;
  border: 1px solid var(--edge-hair);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--glass-2);
}

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

.skip {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translate(-50%, -110%);
  z-index: 50;
  background: var(--light);
  color: var(--ink-deep);
  padding: 0.7rem 1.2rem;
  border-radius: 0 0 6px 6px;
  font-variation-settings: 'wdth' 100, 'wght' 620;
  text-decoration: none;
}

.skip:focus {
  transform: translate(-50%, 0);
}

/* ---------- glass plate ---------- */

.plate {
  position: relative;
  background:
    linear-gradient(176deg, var(--glass-2), rgba(122, 190, 190, 0.012) 42%, var(--glass));
  border-top: 1px solid var(--edge-hair);
  border-bottom: 1px solid rgba(0, 0, 0, 0.5);
  isolation: isolate;
}

/* the lit top edge and the green core of a thick sheet */
.plate::before {
  content: '';
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--edge-soft) 22%, rgba(255, 246, 226, 0.5) 50%, var(--edge-soft) 78%, transparent);
  z-index: 2;
}

/* ---------- hero ---------- */

.hero {
  min-height: min(92svh, 54rem);
  display: grid;
  align-items: end;
  padding-block: var(--s7) var(--s6);
  border-top: 0;
  overflow: hidden;
  background: linear-gradient(180deg, var(--ink-deep), var(--ink) 78%);
}

.hero__caustic {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.92;
}

/* A graduated scrim, the way a photographer holds light off the subject.
   The caustic keeps its full range on the open right side; the reading
   column stays ink so the type never has to fight it. */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(96deg, var(--ink) 3%, rgba(7, 11, 16, 0.86) 22%, rgba(7, 11, 16, 0.34) 46%, rgba(7, 11, 16, 0.04) 64%, transparent),
    linear-gradient(0deg, var(--ink) 1%, rgba(7, 11, 16, 0.72) 16%, transparent 46%);
}

/* refracted edge of the plate the light came through */
.hero__edge {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 2px;
  z-index: 3;
  background: linear-gradient(90deg,
      transparent, var(--cyan) 12%, var(--light) 34%, var(--amber) 52%,
      var(--magenta) 66%, var(--light) 80%, transparent);
  opacity: 0.5;
  filter: blur(0.3px);
}

.hero__inner {
  z-index: 2;
}

.hero__name {
  font-size: clamp(3.4rem, 1.1rem + 11.5vw, 9.5rem);
  font-variation-settings: 'wdth' 118, 'wght' 760;
  letter-spacing: -0.045em;
  line-height: 0.86;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--light);
  text-shadow:
    0 0 1px rgba(255, 246, 226, 0.5),
    0 2px 60px rgba(255, 200, 130, 0.16);
}

.hero__break {
  display: block;
  height: 0;
}

.hero__claim {
  font-size: clamp(1.1rem, 0.98rem + 0.72vw, 1.5rem);
  line-height: 1.5;
  color: var(--fg-2);
  max-width: 46ch;
  margin-bottom: var(--s4);
}

.lit {
  color: var(--light);
  font-variation-settings: 'wdth' 100, 'wght' 660;
  font-variant-numeric: tabular-nums;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  margin-bottom: var(--s4);
  max-width: none;
}

.hero__meta {
  font-size: 0.9375rem;
  color: var(--fg-3);
  max-width: none;
}

.hero__meta a {
  color: var(--fg-2);
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.78rem 1.35rem;
  border: 1px solid var(--edge-hair);
  border-radius: 3px;
  background: var(--glass-2);
  color: var(--fg);
  font-size: 1rem;
  font-variation-settings: 'wdth' 100, 'wght' 580;
  text-decoration: none;
  transition: border-color 0.5s var(--ease), background 0.5s var(--ease), color 0.5s var(--ease);
}

.btn:hover {
  border-color: var(--edge);
  background: rgba(79, 214, 176, 0.10);
}

.btn--lit {
  background: var(--light);
  border-color: var(--light);
  color: var(--ink-deep);
  font-variation-settings: 'wdth' 100, 'wght' 660;
}

.btn--lit:hover {
  background: #fff;
  border-color: #fff;
  color: var(--ink-deep);
  box-shadow: 0 6px 34px rgba(255, 224, 170, 0.28);
}

/* ---------- bands ---------- */

.band {
  padding-block: var(--s7);
  position: relative;
  z-index: 1;
}

.band--loose {
  padding-block: var(--s7) var(--s6);
}

.band--quiet {
  background: var(--ink-deep);
  border-top: 1px solid rgba(150, 200, 205, 0.08);
}

.band--bench {
  background: linear-gradient(180deg, var(--ink), var(--ink-raise) 55%, var(--ink));
}

.band__head {
  margin-bottom: var(--s5);
}

.band__head .h2 {
  margin-bottom: var(--s3);
}

/* ---------- benchmark, read as light ---------- */

.bench {
  margin: 0 0 var(--s6);
}

.bench__cap {
  color: var(--fg-3);
  font-size: 0.9375rem;
  max-width: 54ch;
  margin-bottom: var(--s3);
}

.bench__legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
  margin-bottom: var(--s2);
}

.key {
  font-size: 0.8125rem;
  color: var(--fg-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-variation-settings: 'wdth' 92, 'wght' 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.key::before {
  content: '';
  width: 1.5rem;
  height: 3px;
  border-radius: 2px;
}

.key--ls::before {
  background: var(--light);
  box-shadow: 0 0 12px rgba(255, 246, 226, 0.75);
}

.key--yg::before {
  background: var(--cyan);
  opacity: 0.75;
}

.key--dom::before {
  background: var(--magenta);
  opacity: 0.6;
}

.bench__table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.bench__table thead th {
  text-align: left;
  font-size: 0.8125rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--fg-3);
  font-variation-settings: 'wdth' 92, 'wght' 600;
  padding: 0 0 var(--s2);
  border-bottom: 1px solid var(--edge-hair);
}

.bench__table tbody th {
  text-align: left;
  font-variation-settings: 'wdth' 100, 'wght' 560;
  color: var(--fg);
  padding: var(--s3) var(--s3) var(--s3) 0;
  vertical-align: top;
  white-space: nowrap;
}

.bench__table .sub {
  display: block;
  color: var(--fg-3);
  font-size: 0.8125rem;
  font-variation-settings: 'wdth' 100, 'wght' 400;
}

.bench__table tbody tr+tr th,
.bench__table tbody tr+tr td {
  border-top: 1px solid rgba(150, 200, 205, 0.09);
}

.num {
  padding: var(--s3) var(--s3) var(--s3) 0;
  vertical-align: top;
  color: var(--fg-2);
  width: 27%;
  font-size: 0.9375rem;
}

.num b {
  color: var(--light);
  font-size: 1.25rem;
  font-variation-settings: 'wdth' 100, 'wght' 680;
}

.num--fail {
  color: var(--magenta);
  font-variation-settings: 'wdth' 100, 'wght' 560;
}

/* the bar is light on a dark table, so it glows rather than fills */
.bar {
  display: block;
  width: var(--w);
  height: 4px;
  margin-bottom: 0.6rem;
  border-radius: 2px;
  min-width: 3px;
}

.bar--ls {
  background: var(--light);
  box-shadow: 0 0 16px rgba(255, 246, 226, 0.55);
}

.bar--yg {
  background: rgba(111, 227, 255, 0.62);
}

.bar--dom {
  background: rgba(255, 122, 184, 0.42);
}

/* ---------- split + facts ---------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
  padding-top: var(--s4);
  border-top: 1px solid var(--edge-hair);
  margin-bottom: var(--s4);
}

.split__body .h3 {
  margin-bottom: var(--s2);
}

.split__body p {
  color: var(--fg-2);
}

.facts {
  margin: 0;
  display: grid;
  gap: 0;
}

.facts>div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--s2);
  padding: 0.7rem 0;
  border-bottom: 1px solid rgba(150, 200, 205, 0.09);
}

.facts dt {
  color: var(--fg-3);
  font-size: 0.8125rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  font-variation-settings: 'wdth' 92, 'wght' 600;
}

.facts dd {
  margin: 0;
  color: var(--light);
  font-size: 1.15rem;
  font-variation-settings: 'wdth' 100, 'wght' 660;
  font-variant-numeric: tabular-nums;
}

/* ---------- links ---------- */

.links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3) var(--s4);
  max-width: none;
  margin-top: var(--s3);
}

.lnk {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  color: var(--light);
  font-variation-settings: 'wdth' 100, 'wght' 580;
  border-bottom: 1px solid var(--edge-soft);
  padding-bottom: 0.14rem;
  transition: border-color 0.45s var(--ease), color 0.45s var(--ease);
}

.lnk:hover {
  border-color: var(--light);
}

.i {
  width: 0.95em;
  height: 0.95em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

.i--b {
  fill: currentColor;
  stroke: none;
  width: 1.05em;
  height: 1.05em;
}

/* ---------- products ---------- */

.product {
  display: grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  padding: clamp(1.75rem, 4vw, 3rem);
  border-radius: 4px;
  margin-top: var(--s5);
  transition: border-color 0.6s var(--ease);
}

.product:hover {
  border-top-color: var(--edge-soft);
}

.product .h3 {
  margin-bottom: var(--s3);
}

.product .h3 a {
  text-decoration: none;
  color: var(--light);
}

.product .h3 a:hover {
  text-decoration: underline;
  text-decoration-color: var(--edge);
}

.product__what {
  color: var(--fg);
}

.product__body p {
  color: var(--fg-2);
}

.product__body .product__what {
  color: var(--fg);
}

.product__ethos {
  color: var(--edge);
  border-top: 1px solid var(--edge-hair);
  padding-top: var(--s2);
  font-size: 0.9375rem;
}

.readout {
  margin: 0;
  align-self: start;
  display: grid;
  gap: var(--s3);
}

.readout>div {
  border-top: 1px solid var(--edge-hair);
  padding-top: var(--s2);
}

.readout dt {
  color: var(--fg-3);
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  font-variation-settings: 'wdth' 92, 'wght' 600;
  margin-bottom: 0.15rem;
}

.readout dd {
  margin: 0;
  color: var(--light);
  font-size: clamp(1.8rem, 1.2rem + 1.7vw, 2.6rem);
  font-variation-settings: 'wdth' 108, 'wght' 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  text-shadow: 0 0 34px rgba(255, 224, 170, 0.2);
}

.footnote {
  margin-top: var(--s4);
  color: var(--fg-3);
  font-size: 0.875rem;
  max-width: 68ch;
}

.footnote a {
  color: var(--fg-2);
}

/* ---------- features ---------- */

.feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  padding: clamp(1.75rem, 4vw, 2.75rem);
  border-radius: 4px;
  margin-bottom: var(--s4);
}

.feature .h3 {
  margin-bottom: var(--s2);
}

.feature .h3 a {
  text-decoration: none;
  color: var(--light);
}

.feature .h3 a:hover {
  text-decoration: underline;
  text-decoration-color: var(--edge);
}

.feature p {
  color: var(--fg-2);
}

/* the project this page's light comes from gets the dispersion edge */
.feature--origin::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan) 20%, var(--light) 45%, var(--amber) 62%, var(--magenta) 78%, transparent);
  opacity: 0.55;
}

.tally {
  margin: 0;
  text-align: right;
  min-width: 9rem;
  max-width: none;
}

.tally b {
  display: block;
  font-size: clamp(2.4rem, 1.6rem + 2.4vw, 3.6rem);
  font-variation-settings: 'wdth' 110, 'wght' 720;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--light);
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 38px rgba(255, 224, 170, 0.24);
}

.tally span {
  display: block;
  margin-top: 0.45rem;
  color: var(--fg-3);
  font-size: 0.8125rem;
  line-height: 1.4;
}

/* ---------- press strip & expandable coverage ---------- */

.press-section {
  margin-top: var(--s3);
}

.press-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  list-style: none;
  padding: 0;
}

.press-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.6rem;
  border: 1px solid var(--edge-hair);
  border-radius: 2px;
  color: var(--fg-3);
  font-size: 0.75rem;
  font-variation-settings: 'wdth' 92, 'wght' 540;
  letter-spacing: 0.025em;
  text-decoration: none;
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease);
  white-space: nowrap;
}

.press-chip:hover {
  color: var(--light);
  border-color: var(--edge-soft);
}

.press-chip-sub {
  font-size: 0.6875rem;
  color: var(--fg-3);
  opacity: 0.7;
  letter-spacing: 0.08em;
}

.press-more-details {
  display: block;
  margin-top: var(--s2);
}

.press-overflow-summary {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.24rem 0.65rem;
  border: 1px dashed var(--edge-hair);
  border-radius: 2px;
  color: var(--fg-3);
  font-size: 0.75rem;
  font-variation-settings: 'wdth' 92, 'wght' 540;
  letter-spacing: 0.025em;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease);
}

.press-overflow-summary::-webkit-details-marker {
  display: none;
}

.press-overflow-summary:hover {
  color: var(--light);
  border-color: var(--edge-soft);
}

.press-overflow-chevron {
  width: 0.65rem;
  height: 0.65rem;
  color: var(--fg-3);
  transition: transform 0.2s var(--ease);
  flex: none;
}

.press-more-details[open] .press-overflow-chevron {
  transform: rotate(180deg);
}

.press-more-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13.5rem, 1fr));
  gap: 1.25rem 1.75rem;
  margin-top: var(--s3);
  padding: var(--s3) clamp(1rem, 3vw, 1.75rem);
  background: rgba(4, 7, 10, 0.7);
  border: 1px solid var(--edge-hair);
  border-radius: 3px;
  animation: press-expand 0.2s var(--ease) both;
}

@keyframes press-expand {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.press-more-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.press-more-group h3 {
  font-size: 0.6875rem;
  font-variation-settings: 'wdth' 92, 'wght' 640;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--edge);
  margin: 0 0 0.25rem;
}

.press-more-group a {
  font-size: 0.8125rem;
  color: var(--fg-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  width: fit-content;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.press-more-group a:hover {
  color: var(--light);
  border-color: var(--edge-soft);
}

/* ---------- multi-shot gallery ---------- */

.shots-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--s3);
  margin-top: var(--s3);
}

.shots-grid .shot {
  margin-top: 0;
}

@media (max-width: 50rem) {
  .shots-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- academic facts (DOI / ORCID) ---------- */

.academic {
  margin-top: var(--s3);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
}

.academic dt {
  display: none;
}

.academic dd {
  margin: 0;
  font-size: 0.75rem;
  color: var(--fg-3);
  font-variation-settings: 'wdth' 92, 'wght' 500;
  letter-spacing: 0.02em;
}

.academic dd a {
  color: var(--fg-3);
  text-decoration: none;
  border-bottom: 1px solid var(--edge-hair);
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease);
}

.academic dd a:hover {
  color: var(--edge);
  border-color: var(--edge);
}

.academic dd::before {
  content: attr(data-label) ' ';
  color: var(--fg-3);
  opacity: 0.6;
}




.h3--rule {
  margin-top: var(--s6);
  padding-bottom: var(--s3);
  border-bottom: 1px solid var(--edge-hair);
}

.strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  column-gap: clamp(2rem, 4vw, 3.5rem);
}

.strip__item {
  padding: var(--s4) 0 var(--s3);
  border-bottom: 1px solid rgba(150, 200, 205, 0.09);
}

.strip__item h4 {
  font-size: 1.0625rem;
  font-variation-settings: 'wdth' 100, 'wght' 640;
  margin-bottom: 0.55rem;
  letter-spacing: -0.008em;
}

.strip__item h4 a {
  color: var(--light);
  text-decoration: none;
  border-bottom: 1px solid var(--edge-soft);
}

.strip__item h4 a:hover {
  border-color: var(--edge);
}

.strip__item p {
  color: var(--fg-2);
  font-size: 0.9375rem;
  margin-bottom: 0.6rem;
}

.strip__stat {
  color: var(--fg-3);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-variation-settings: 'wdth' 92, 'wght' 560;
  font-variant-numeric: tabular-nums;
}

/* ---------- background ---------- */

.cols {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  margin-top: var(--s5);
  align-items: start;
}

.tl {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tl li {
  padding: var(--s3) 0 var(--s3) var(--s4);
  border-left: 1px solid var(--edge-hair);
  position: relative;
}

.tl li::before {
  content: '';
  position: absolute;
  left: -3px;
  top: calc(var(--s3) + 0.62em);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--light);
  box-shadow: 0 0 12px rgba(255, 246, 226, 0.8);
}

.tl h3 {
  font-size: 1.0625rem;
  font-variation-settings: 'wdth' 100, 'wght' 640;
  margin-bottom: 0.3rem;
}

.tl__where {
  color: var(--fg-2);
  font-size: 0.9375rem;
  margin-bottom: 0.15rem;
}

.tl__when {
  color: var(--fg-3);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
  margin: 0;
}

.kit .h4 {
  margin-bottom: var(--s3);
  padding-bottom: var(--s2);
  border-bottom: 1px solid var(--edge-hair);
}

.kit p {
  color: var(--fg-2);
  font-size: 0.9375rem;
  margin-bottom: var(--s2);
}

.kit b {
  display: block;
  color: var(--fg-3);
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  font-variation-settings: 'wdth' 92, 'wght' 600;
  margin-bottom: 0.1rem;
}

/* ---------- footer ---------- */

.foot {
  padding-block: var(--s6) var(--s4);
  background: linear-gradient(180deg, var(--ink), var(--ink-deep));
}

.foot__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, auto);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
  padding-bottom: var(--s5);
}

.foot__h {
  font-size: clamp(1.6rem, 1.1rem + 1.9vw, 2.5rem);
  font-variation-settings: 'wdth' 112, 'wght' 620;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--light);
  margin-bottom: var(--s3);
}

.foot__p {
  color: var(--fg-2);
  margin-bottom: var(--s4);
}

.foot__nav {
  display: grid;
  gap: var(--s2);
}

.foot__nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--fg-2);
  text-decoration: none;
  font-variation-settings: 'wdth' 100, 'wght' 540;
  transition: color 0.45s var(--ease);
}

.foot__nav a:hover {
  color: var(--light);
}

.foot__fine {
  color: var(--fg-3);
  font-size: 0.8125rem;
  border-top: 1px solid rgba(150, 200, 205, 0.09);
  padding-top: var(--s3);
  max-width: none;
}

.foot__fine a {
  color: var(--fg-2);
}

/* ============================================================
   captures - the work photographed, framed as figures
   ============================================================ */

.shot {
  grid-column: 1 / -1;
  margin-top: var(--s4);
}

/* inside a plate the grid gap already does this spacing; doubling it
   leaves the figure stranded */
.plate .shot {
  margin-top: 0;
}

.shot__frame {
  display: block;
  position: relative;
  border: 1px solid var(--edge-hair);
  border-radius: 3px;
  background: #04070a;
  overflow: hidden;
  line-height: 0;
  transition: border-color 0.5s var(--ease);
}

/* the plates carry a lit top edge; a capture gets the same one so it reads
   as part of the page rather than pasted onto it */
.shot__frame::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 246, 226, 0.26) 50%, transparent);
  pointer-events: none;
}

a.shot__frame:hover,
a.shot__frame:focus-visible {
  border-color: var(--edge-soft);
}

.shot img {
  display: block;
  width: 100%;
  height: auto;
}

/* a square, light-ground figure would shout next to the wide dark ones */
.shot--tight .shot__frame {
  max-width: 24rem;
}

.shot figcaption {
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
  margin-top: var(--s2);
  color: var(--fg-3);
  font-size: 0.8125rem;
  line-height: 1.5;
  max-width: 68ch;
}

.shot figcaption b {
  color: var(--fg);
  font-variation-settings: 'wdth' 100, 'wght' 660;
  font-variant-numeric: tabular-nums;
}

.shot figcaption code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  color: var(--fg-2);
}

.shot__tag {
  flex: none;
  color: var(--edge);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-variation-settings: 'wdth' 92, 'wght' 620;
  border: 1px solid var(--edge-hair);
  border-radius: 2px;
  padding: 0.16rem 0.4rem;
  white-space: nowrap;
}

/* ============================================================
   adaptation
   ============================================================ */

@media (max-width: 60rem) {

  .split,
  .product,
  .cols,
  .foot__inner {
    grid-template-columns: 1fr;
  }

  .readout {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s3);
  }

  .feature {
    grid-template-columns: 1fr;
  }

  .tally {
    text-align: left;
  }

  .tally span {
    max-width: 22ch;
  }
}

@media (max-width: 40rem) {
  :root {
    --s6: 4rem;
    --s7: 5rem;
  }

  .hero {
    min-height: auto;
    padding-block: 5.5rem 3.5rem;
  }

  .hero__name {
    letter-spacing: -0.038em;
  }

  .hero__break {
    display: inline;
  }

  .hero__claim {
    max-width: none;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* the table becomes stacked readouts rather than a squeezed grid */
  .bench__table thead {
    display: none;
  }

  .bench__table,
  .bench__table tbody,
  .bench__table tr {
    display: block;
    width: 100%;
  }

  .bench__table tbody th {
    display: block;
    padding: 0 0 var(--s2);
    border-top: 0 !important;
    font-variation-settings: 'wdth' 100, 'wght' 640;
  }

  .bench__table tbody tr {
    padding: var(--s3) 0;
    border-top: 1px solid rgba(150, 200, 205, 0.09);
  }

  .bench__table tbody tr:first-child {
    border-top: 0;
  }

  .num {
    display: grid;
    grid-template-columns: 7.5rem 1fr;
    column-gap: var(--s2);
    row-gap: 0.35rem;
    width: auto;
    padding: 0.5rem 0;
    border-top: 0 !important;
  }

  .num::before {
    content: attr(data-engine);
    grid-column: 1;
    grid-row: 1;
    align-self: baseline;
    color: var(--fg-3);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-variation-settings: 'wdth' 92, 'wght' 600;
  }

  .num .v {
    grid-column: 2;
    grid-row: 1;
  }

  .num .bar {
    grid-column: 2;
    grid-row: 2;
    margin-bottom: 0;
    align-self: center;
  }

  .num b {
    font-size: 1.05rem;
  }

  .readout {
    grid-template-columns: 1fr 1fr;
  }

  .strip {
    grid-template-columns: 1fr;
  }

  .shot--tight .shot__frame {
    max-width: none;
  }

  .shot figcaption {
    flex-direction: column;
    gap: 0.5rem;
  }

  .shot__tag {
    align-self: start;
  }

  .foot__nav {
    grid-template-columns: 1fr 1fr;
  }
}

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

/* light-mode users still get the plate; the scene is a dark room by design,
   so we hold the world and only lift contrast a little */
@media (prefers-contrast: more) {
  :root {
    --fg-2: #cfdae1;
    --fg-3: #b3c2cb;
    --edge-hair: rgba(180, 220, 225, 0.4);
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
  }

  .hero__caustic,
  body::before,
  .hero__edge {
    display: none;
  }

  .plate {
    background: none;
  }

  a {
    color: #000;
  }
}