/* ==========================================================================
   NOPE GROUP — Design System
   Register: brand. Lane: industrial materials-science spec sheet.
   Strategy: Committed — near-black carries the product moments, rust carries
   the voice. Green is deliberately NOT the accent (eco reflex); it appears
   only in real product photography.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Archivo:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400&family=Archivo+Narrow:wght@400;500;600;700&display=swap');

/* ---------- Tokens ---------- */
:root {
  /* Surfaces — off-white tinted toward the brand's own green, chroma kept
     low. Deliberately not cream/sand. */
  --ink:            oklch(0.17 0.012 145);
  --ink-2:          oklch(0.24 0.014 145);
  --ink-3:          oklch(0.31 0.012 145);
  --paper:          oklch(0.972 0.005 140);
  --paper-2:        oklch(0.944 0.008 140);
  --paper-3:        oklch(0.905 0.010 140);

  /* Accents — sampled from the real PHA cup colourways */
  --rust:           oklch(0.598 0.145 52);    /* #cd6a24 — accent on light */
  --rust-fill:      oklch(0.520 0.135 50);    /* #ad561c — white text clears 5.1:1 */
  --rust-deep:      oklch(0.455 0.122 48);
  --ochre:          oklch(0.760 0.145 96);    /* #d1b202 */
  --olive:          oklch(0.618 0.165 128);   /* #679b00 */
  --moss:           oklch(0.400 0.058 140);   /* #385335 */
  --clay:           oklch(0.480 0.040 78);    /* #746448 */
  --slate:          oklch(0.470 0.032 236);   /* #4b6674 */
  --navy:           oklch(0.330 0.045 268);   /* #2f374e */
  --rose:           oklch(0.500 0.078 18);    /* #9e535a */
  --soil:           oklch(0.270 0.045 72);
  --soil-deep:      oklch(0.180 0.030 68);

  /* Text roles */
  --t-hi:           var(--ink);
  --t-mid:          oklch(0.42 0.012 145);
  --t-low:          oklch(0.52 0.010 145);
  --on-dark-hi:     oklch(0.975 0.004 140);
  --on-dark-mid:    oklch(0.820 0.008 140);
  --on-dark-low:    oklch(0.680 0.010 140);

  --line:           oklch(0.86 0.010 140);
  --line-dark:      oklch(0.32 0.012 145);

  /* Type */
  --f-display: 'Archivo', system-ui, sans-serif;
  --f-body:    'Archivo', system-ui, sans-serif;
  --f-tech:    'Archivo Narrow', 'Archivo', system-ui, sans-serif;

  --fs-display: clamp(2.75rem, 1.4rem + 5.6vw, 5.5rem);
  --fs-h1:      clamp(2.25rem, 1.3rem + 3.9vw, 4.25rem);
  --fs-h2:      clamp(1.75rem, 1.15rem + 2.5vw, 3rem);
  --fs-h3:      clamp(1.3rem, 1.02rem + 1.15vw, 1.95rem);
  --fs-h4:      clamp(1.08rem, 0.98rem + 0.45vw, 1.32rem);
  --fs-lead:    clamp(1.06rem, 0.98rem + 0.42vw, 1.34rem);
  --fs-body:    clamp(1rem, 0.96rem + 0.18vw, 1.075rem);
  --fs-sm:      0.9rem;
  --fs-xs:      0.79rem;

  /* Space */
  --s-1: 0.25rem;  --s-2: 0.5rem;   --s-3: 0.75rem;  --s-4: 1rem;
  --s-5: 1.5rem;   --s-6: 2rem;     --s-7: 3rem;     --s-8: 4rem;
  --s-9: 6rem;     --s-10: 8rem;
  --sec-y:  clamp(4.5rem, 2.5rem + 8vw, 9rem);
  --sec-y-lg: clamp(6rem, 3rem + 11vw, 12rem);
  --gutter: clamp(1.15rem, 0.5rem + 3vw, 3.5rem);
  --maxw: 78rem;
  --maxw-narrow: 46rem;

  --r-sm: 6px;  --r-md: 12px;  --r-lg: 22px;  --r-xl: 34px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);          /* out-quint */
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);

  /* Semantic z-scale */
  --z-base: 1; --z-raised: 10; --z-sticky: 100; --z-nav: 200; --z-overlay: 300;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--f-body);
  font-size: var(--fs-body);
  line-height: 1.62;
  color: var(--t-hi);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; padding: 0; }

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

::selection { background: var(--rust-fill); color: #fff; }

.skip {
  position: absolute; left: var(--s-4); top: -100vh; z-index: var(--z-overlay);
  background: var(--ink); color: var(--on-dark-hi);
  padding: var(--s-3) var(--s-5); border-radius: var(--r-sm); font-weight: 600;
}
.skip:focus { top: var(--s-4); }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--f-display);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.032em;
  text-wrap: balance;
}
h3, h4, h5 { line-height: 1.16; letter-spacing: -0.02em; }
p { text-wrap: pretty; }

.display { font-size: var(--fs-display); font-weight: 900; letter-spacing: -0.038em; }
.h1 { font-size: var(--fs-h1); }
.h2 { font-size: var(--fs-h2); }
.h3 { font-size: var(--fs-h3); font-weight: 700; }
.h4 { font-size: var(--fs-h4); font-weight: 700; }

.lead {
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--t-mid);
  max-width: 42ch;
}
.prose { max-width: 68ch; color: var(--t-mid); }
.prose p + p { margin-top: var(--s-4); }
.measure { max-width: 60ch; }

/* The one deliberate brand device: the slash marker.
   Carried from the client's own copy (/ The Mission). Used as a section
   opener only — not stacked on every heading. */
.marker {
  display: inline-flex; align-items: baseline; gap: 0.55em;
  font-family: var(--f-tech);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--t-low);
  margin-bottom: var(--s-5);
}
.marker::before {
  content: '/';
  color: var(--rust);
  font-weight: 700;
  font-size: 1.15em;
}
.on-dark .marker { color: var(--on-dark-low); }
.on-dark .marker::before { color: var(--ochre); }

/* Emphasis inside prose — mixed weight rather than colour */
.em { color: var(--t-hi); font-weight: 600; }
.on-dark .em { color: var(--on-dark-hi); }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.wrap-narrow { width: 100%; max-width: var(--maxw-narrow); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--sec-y); position: relative; overflow-x: clip; }
.section-lg { padding-block: var(--sec-y-lg); }

.on-dark { background: var(--ink); color: var(--on-dark-mid); }
.on-dark h1, .on-dark h2, .on-dark h3, .on-dark h4 { color: var(--on-dark-hi); }
.on-dark .lead { color: var(--on-dark-mid); }
.on-dark .prose { color: var(--on-dark-mid); }

.on-soil { background: var(--soil-deep); color: var(--on-dark-mid); }
.on-soil h1, .on-soil h2, .on-soil h3, .on-soil h4 { color: var(--on-dark-hi); }

/* Editorial split — deliberately unequal */
.split {
  display: grid;
  gap: clamp(var(--s-6), 4vw, var(--s-9));
  align-items: start;
}
@media (min-width: 62rem) {
  .split { grid-template-columns: 1.15fr 0.85fr; }
  .split-wide { grid-template-columns: 1.5fr 1fr; }
  .split-even { grid-template-columns: 1fr 1fr; }
  .split-flip > :first-child { order: 2; }
}

.stack-4 > * + * { margin-top: var(--s-4); }
.stack-5 > * + * { margin-top: var(--s-5); }
.stack-6 > * + * { margin-top: var(--s-6); }
.stack-7 > * + * { margin-top: var(--s-7); }

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: var(--s-5);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.65em;
  padding: 0.9em 1.5em;
  border-radius: 100px;
  font-weight: 700;
  font-size: var(--fs-sm);
  letter-spacing: -0.005em;
  transition: background-color .35s var(--ease), color .35s var(--ease),
              transform .35s var(--ease), border-color .35s var(--ease);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--rust-fill); color: #fff; }
.btn-primary:hover { background: var(--rust-deep); }

.btn-ink { background: var(--ink); color: var(--on-dark-hi); }
.btn-ink:hover { background: var(--ink-2); }

.btn-light { background: var(--paper); color: var(--ink); }
.btn-light:hover { background: #fff; }

.btn-ghost { border: 1.5px solid var(--line); color: var(--t-hi); }
.btn-ghost:hover { border-color: var(--ink); background: var(--ink); color: var(--on-dark-hi); }
.on-dark .btn-ghost { border-color: var(--line-dark); color: var(--on-dark-hi); }
.on-dark .btn-ghost:hover { background: var(--on-dark-hi); color: var(--ink); border-color: var(--on-dark-hi); }

.btn .arw {
  width: 1.05em; height: 1.05em; flex: none;
  transition: transform .35s var(--ease);
}
.btn:hover .arw { transform: translate(2px, -2px); }

/* Text link with rule */
.link-rule {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-weight: 600; font-size: var(--fs-sm);
  border-bottom: 1.5px solid currentColor;
  padding-bottom: 2px;
  transition: gap .3s var(--ease), opacity .3s var(--ease);
}
.link-rule:hover { gap: 0.85em; }

/* ---------- Pills (certification / attribute tags) ---------- */
.pills { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-3); }
.pill {
  display: inline-flex; align-items: center; gap: 0.5em;
  padding: 0.5em 0.95em;
  border: 1.25px solid var(--line);
  border-radius: 100px;
  font-family: var(--f-tech);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--t-mid);
  background: transparent;
}
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--rust); flex: none; }
.on-dark .pill { border-color: var(--line-dark); color: var(--on-dark-mid); }
.on-dark .pill .dot { background: var(--ochre); }
.pill-solid { background: var(--ink); border-color: var(--ink); color: var(--on-dark-hi); }

/* ---------- Spec row (technical data, not a card) ---------- */
.specs { border-top: 1px solid var(--line); }
.spec {
  display: grid; gap: var(--s-2) var(--s-5);
  padding-block: var(--s-5);
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
@media (min-width: 48rem) { .spec { grid-template-columns: 8rem 1fr; } }
.spec dt {
  font-family: var(--f-tech); font-size: var(--fs-xs); font-weight: 700;
  letter-spacing: 0.02em; color: var(--t-low); text-transform: uppercase;
}
.spec dd { margin: 0; color: var(--t-mid); }
.on-dark .specs, .on-dark .spec { border-color: var(--line-dark); }
.on-dark .spec dt { color: var(--on-dark-low); }
.on-dark .spec dd { color: var(--on-dark-mid); }

/* ---------- Figure / media ---------- */
.fig { position: relative; overflow: hidden; border-radius: var(--r-lg); background: var(--ink); }
.fig img, .fig video { width: 100%; height: 100%; object-fit: cover; }
.fig-tall { aspect-ratio: 3 / 4; }
.fig-wide { aspect-ratio: 16 / 10; }
.fig-square { aspect-ratio: 1; }
.fig-hero { aspect-ratio: 16 / 9; }
@media (max-width: 48rem) { .fig-hero { aspect-ratio: 4 / 5; } }

.fig-cap {
  position: absolute; inset-inline: 0; bottom: 0;
  padding: var(--s-6) var(--s-5) var(--s-5);
  background: linear-gradient(to top, oklch(0.12 0.01 145 / 0.92), transparent);
  color: var(--on-dark-hi);
}
.fig-cap .k {
  font-family: var(--f-tech); font-size: var(--fs-xs); font-weight: 700;
  color: var(--ochre); display: block; margin-bottom: 0.2em;
}

/* Annotation card floating over media */
.note {
  background: var(--paper);
  border-radius: var(--r-md);
  padding: var(--s-5);
  box-shadow: 0 18px 50px -20px oklch(0.15 0.02 145 / 0.45);
  max-width: 19rem;
}
.note .n-fig {
  font-family: var(--f-display); font-size: 2.1rem; font-weight: 800;
  letter-spacing: -0.03em; line-height: 1; color: var(--ink);
}
.note .n-lbl {
  font-family: var(--f-tech); font-size: var(--fs-xs); font-weight: 600;
  color: var(--t-low); margin-top: 0.35em;
}

/* ---------- Bento / feature grid ---------- */
.bento { display: grid; gap: var(--s-4); grid-template-columns: 1fr; }
@media (min-width: 46rem) { .bento { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 68rem) {
  .bento { grid-template-columns: repeat(12, 1fr); }
  .b-7 { grid-column: span 7; }
  .b-5 { grid-column: span 5; }
  .b-6 { grid-column: span 6; }
  .b-4 { grid-column: span 4; }
  .b-8 { grid-column: span 8; }
}
.tile {
  position: relative; overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--paper-2);
  padding: var(--s-6);
  display: flex; flex-direction: column; justify-content: space-between;
  gap: var(--s-6);
  min-height: 16rem;
  transition: transform .5s var(--ease);
}
.tile-media { padding: 0; background: var(--ink); }
.tile-media img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.tile-media .tile-body {
  position: relative; z-index: var(--z-raised);
  margin-top: auto; padding: var(--s-6);
  background: linear-gradient(to top, oklch(0.12 0.01 145 / 0.94) 20%, transparent);
  color: var(--on-dark-hi);
}
.tile-dark { background: var(--ink); color: var(--on-dark-mid); }
.tile-dark h3, .tile-dark h4 { color: var(--on-dark-hi); }
.tile h4 + p { margin-top: var(--s-3); color: var(--t-mid); font-size: var(--fs-sm); }
.tile-dark h4 + p, .tile-media h4 + p { color: var(--on-dark-mid); }
.tile-media h4 + p { color: oklch(0.88 0.006 140); }

/* ---------- Sequence (ordered process — numbers earned) ---------- */
.seq { counter-reset: step; display: grid; gap: var(--s-5); }
@media (min-width: 56rem) { .seq-3 { grid-template-columns: repeat(3, 1fr); } }
.seq-item {
  counter-increment: step;
  padding-top: var(--s-5);
  border-top: 2px solid var(--ink);
}
.seq-item::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--f-display); font-weight: 800; font-size: var(--fs-h3);
  letter-spacing: -0.03em;
  color: var(--rust);
  margin-bottom: var(--s-3);
}
.on-dark .seq-item { border-color: var(--line-dark); }
.on-dark .seq-item::before { color: var(--ochre); }

/* ---------- Comparison table ---------- */
.cmp { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.cmp caption { text-align: left; color: var(--t-low); font-size: var(--fs-sm); margin-bottom: var(--s-4); }
.cmp th, .cmp td { padding: var(--s-4) var(--s-3); text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.cmp thead th {
  font-family: var(--f-tech); font-size: var(--fs-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.03em; color: var(--t-low);
  border-bottom-width: 2px; border-bottom-color: var(--ink);
}
.cmp tbody th { font-weight: 700; color: var(--t-hi); }
.cmp .col-nope { background: oklch(0.598 0.145 52 / 0.07); }
.cmp thead .col-nope { color: var(--rust); }
.on-dark .cmp th, .on-dark .cmp td { border-color: var(--line-dark); }
.on-dark .cmp thead th { border-bottom-color: var(--on-dark-low); color: var(--on-dark-low); }
.on-dark .cmp tbody th { color: var(--on-dark-hi); }
.on-dark .cmp .col-nope { background: oklch(0.760 0.145 96 / 0.10); }
.on-dark .cmp thead .col-nope { color: var(--ochre); }
.cmp-wrap { overflow-x: auto; }

.yes, .no, .mid { font-family: var(--f-tech); font-weight: 700; }
.yes { color: var(--olive); }
.no  { color: var(--rose); }
.mid { color: var(--clay); }
.on-dark .yes { color: oklch(0.75 0.15 128); }
.on-dark .no  { color: oklch(0.68 0.11 18); }
.on-dark .mid { color: oklch(0.72 0.05 78); }

/* ---------- Accordion ---------- */
.acc { border-top: 1px solid var(--line); }
.acc details { border-bottom: 1px solid var(--line); }
.acc summary {
  display: flex; align-items: flex-start; justify-content: space-between; gap: var(--s-5);
  padding-block: var(--s-5);
  font-weight: 700; font-size: var(--fs-h4);
  letter-spacing: -0.015em;
  cursor: pointer; list-style: none;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary .ind {
  flex: none; width: 1.5rem; height: 1.5rem; border-radius: 50%;
  border: 1.5px solid var(--line); position: relative;
  transition: background-color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.acc summary .ind::before, .acc summary .ind::after {
  content: ''; position: absolute; inset: 50% 25%; height: 1.5px;
  background: currentColor; transform: translateY(-50%);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.acc summary .ind::after { transform: translateY(-50%) rotate(90deg); }
.acc details[open] summary .ind { background: var(--rust-fill); border-color: var(--rust-fill); color: #fff; }
.acc details[open] summary .ind::after { opacity: 0; }
.acc .acc-body { padding-bottom: var(--s-6); color: var(--t-mid); max-width: 64ch; }
.on-dark .acc, .on-dark .acc details { border-color: var(--line-dark); }
.on-dark .acc summary .ind { border-color: var(--line-dark); }
.on-dark .acc .acc-body { color: var(--on-dark-mid); }

/* ---------- Header ---------- */
.hdr {
  position: fixed; inset-inline: 0; top: 0; z-index: var(--z-nav);
  padding: var(--s-4) 0;
  transition: background-color .4s var(--ease), padding .4s var(--ease),
              box-shadow .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.hdr.is-stuck {
  background: oklch(0.17 0.012 145 / 0.88);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  padding: var(--s-3) 0;
  border-bottom-color: var(--line-dark);
}
.hdr-in { display: flex; align-items: center; justify-content: space-between; gap: var(--s-5); }

.logo { display: flex; align-items: center; gap: 0.7rem; flex: none; }
.logo .mark { height: 30px; width: auto; filter: invert(1); }
.ftr .logo .mark { height: 34px; }
.logo .lockup {
  font-family: var(--f-tech); font-size: 0.56rem; font-weight: 700;
  line-height: 1.12; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--on-dark-hi); padding-left: 0.6rem; border-left: 1px solid oklch(1 0 0 / 0.35);
}

.nav { display: none; }
@media (min-width: 64rem) {
  .nav { display: flex; align-items: center; gap: 0.15rem; }
  .nav a {
    padding: 0.55rem 0.9rem; border-radius: 100px;
    font-size: var(--fs-sm); font-weight: 500; color: oklch(0.88 0.006 140);
    transition: background-color .3s var(--ease), color .3s var(--ease);
  }
  .nav a:hover { background: oklch(1 0 0 / 0.11); color: #fff; }
  .nav a[aria-current="page"] { background: oklch(1 0 0 / 0.16); color: #fff; font-weight: 600; }
}
.hdr-cta { display: none; }
@media (min-width: 64rem) { .hdr-cta { display: inline-flex; } }

.burger {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: var(--r-sm);
  background: oklch(1 0 0 / 0.12); color: #fff;
}
@media (min-width: 64rem) { .burger { display: none; } }
.burger span { display: block; width: 18px; height: 2px; background: currentColor; position: relative; transition: background-color .2s; }
.burger span::before, .burger span::after {
  content: ''; position: absolute; left: 0; width: 18px; height: 2px; background: currentColor;
  transition: transform .35s var(--ease);
}
.burger span::before { top: -6px; }
.burger span::after { top: 6px; }
[aria-expanded="true"].burger span { background: transparent; }
[aria-expanded="true"].burger span::before { transform: translateY(6px) rotate(45deg); }
[aria-expanded="true"].burger span::after { transform: translateY(-6px) rotate(-45deg); }

.mnav {
  position: fixed; inset: 0; z-index: var(--z-overlay);
  background: var(--ink); color: var(--on-dark-hi);
  padding: 6rem var(--gutter) var(--s-7);
  display: flex; flex-direction: column; gap: var(--s-6);
  transform: translateY(-100%);
  transition: transform .55s var(--ease-expo), visibility .55s;
  overflow-y: auto;
  visibility: hidden;          /* keeps closed nav out of the tab order */
  pointer-events: none;
}
.mnav.is-open { transform: translateY(0); visibility: visible; pointer-events: auto; }
@media (min-width: 64rem) { .mnav { display: none; } }
.mnav a { font-size: clamp(1.6rem, 6vw, 2.2rem); font-weight: 800; letter-spacing: -0.03em; }
.mnav a + a { border-top: 1px solid var(--line-dark); padding-top: var(--s-4); }

/* ---------- Hero ---------- */
.hero { position: relative; padding-top: 5.5rem; background: var(--ink); }
.hero-frame {
  position: relative; overflow: hidden;
  border-radius: var(--r-xl);
  min-height: min(86vh, 46rem);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  isolation: isolate;
}
.hero-frame > .hero-bg {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%; object-fit: cover;
}
.hero-frame::after {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(to top, oklch(0.13 0.012 145 / 0.94) 8%, oklch(0.13 0.012 145 / 0.45) 48%, oklch(0.13 0.012 145 / 0.72)),
    radial-gradient(120% 80% at 78% 18%, oklch(0.598 0.145 52 / 0.20), transparent 62%);
}
.hero-content { position: relative; color: var(--on-dark-hi); max-width: 54rem; }
.hero h1 { color: #fff; }
.hero .lead { color: oklch(0.93 0.005 140); max-width: 34ch; }

/* Ghosted wordmark behind hero subject */
.ghost-mark {
  position: absolute; z-index: -1;
  left: 50%; top: 40%; transform: translate(-50%, -50%);
  width: min(155%, 1500px);
  filter: invert(1);
  opacity: 0.09;
  pointer-events: none; user-select: none;
}
.hero-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3) var(--s-6);
  margin-top: var(--s-7);
  padding-top: var(--s-5);
  border-top: 1px solid oklch(1 0 0 / 0.2);
  font-family: var(--f-tech); font-size: var(--fs-xs); font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: oklch(0.86 0.006 140);
}

/* Scroll cue */
.cue { display: inline-flex; align-items: center; gap: 0.6em; }
.cue .cue-line { display: block; width: 1px; height: 28px; background: oklch(1 0 0 / 0.45); position: relative; overflow: hidden; }
.cue .cue-line::after {
  content: ''; position: absolute; inset-inline: 0; top: -100%; height: 100%;
  background: var(--ochre); animation: cue 2.1s var(--ease) infinite;
}
@keyframes cue { 0% { top: -100%; } 60%, 100% { top: 100%; } }

/* ---------- Marquee ---------- */
.marq { overflow: hidden; border-block: 1px solid var(--line-dark); padding-block: var(--s-4); }
.marq-track { display: flex; gap: var(--s-7); width: max-content; animation: marq 38s linear infinite; }
.marq-track > * { flex: none; display: inline-flex; align-items: center; gap: 0.7em;
  font-family: var(--f-tech); font-size: var(--fs-sm); font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase; color: var(--on-dark-mid); }
.marq-track > *::after { content: '—'; color: var(--ochre); }
@keyframes marq { to { transform: translateX(-50%); } }
.marq:hover .marq-track { animation-play-state: paused; }

/* ---------- Colourway swatches ---------- */
.ways { display: flex; flex-wrap: wrap; gap: var(--s-3); }
.way {
  width: 2.35rem; height: 2.35rem; border-radius: 50%;
  border: 2px solid transparent; position: relative;
  transition: transform .35s var(--ease), border-color .35s var(--ease);
}
.way:hover, .way[aria-pressed="true"] { transform: scale(1.14); border-color: var(--on-dark-hi); }
.way span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }

/* ---------- Stat figures ---------- */
.figs { display: grid; gap: var(--s-6); }
@media (min-width: 46rem) { .figs-3 { grid-template-columns: repeat(3, 1fr); } .figs-2 { grid-template-columns: repeat(2, 1fr); } }
.fg .fg-n {
  font-family: var(--f-display); font-weight: 900;
  font-size: clamp(2.4rem, 1.4rem + 3.4vw, 4rem);
  letter-spacing: -0.045em; line-height: 0.94; color: var(--ink);
}
.on-dark .fg .fg-n { color: var(--on-dark-hi); }
.fg .fg-u { font-size: 0.42em; font-weight: 700; letter-spacing: -0.01em; }
.fg .fg-l { margin-top: var(--s-3); color: var(--t-mid); font-size: var(--fs-sm); max-width: 26ch; }
.on-dark .fg .fg-l { color: var(--on-dark-mid); }
.fg { border-top: 2px solid var(--ink); padding-top: var(--s-4); }
.on-dark .fg { border-color: var(--ochre); }

/* ---------- Quote ---------- */
.pull {
  font-family: var(--f-display); font-weight: 700;
  font-size: clamp(1.4rem, 1rem + 1.9vw, 2.4rem);
  line-height: 1.2; letter-spacing: -0.028em;
  max-width: 22ch;
}
.pull-cite { margin-top: var(--s-5); font-family: var(--f-tech); font-size: var(--fs-sm); color: var(--t-low); }
.on-dark .pull-cite { color: var(--on-dark-low); }

/* ---------- Footer ---------- */
.ftr { background: var(--ink); color: var(--on-dark-mid); padding-block: var(--sec-y) var(--s-6); }
.ftr-cta {
  position: relative; overflow: hidden; border-radius: var(--r-xl);
  padding: clamp(2.5rem, 5vw, 5rem);
  min-height: 22rem; display: flex; flex-direction: column; justify-content: flex-end;
  isolation: isolate;
}
.ftr-cta img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; }
.ftr-cta::after {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to top, oklch(0.13 0.012 145 / 0.94), oklch(0.13 0.012 145 / 0.55));
}
.ftr-grid { display: grid; gap: var(--s-7); margin-top: var(--s-8); }
@media (min-width: 52rem) { .ftr-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.ftr h5 {
  font-family: var(--f-tech); font-size: var(--fs-xs); font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--on-dark-low);
  margin-bottom: var(--s-4);
}
.ftr-links li + li { margin-top: var(--s-3); }
.ftr-links a { color: var(--on-dark-mid); transition: color .25s var(--ease); font-size: var(--fs-sm); }
.ftr-links a:hover { color: #fff; }
.ftr-base {
  margin-top: var(--s-8); padding-top: var(--s-5); border-top: 1px solid var(--line-dark);
  display: flex; flex-wrap: wrap; gap: var(--s-4) var(--s-6); justify-content: space-between;
  font-size: var(--fs-xs); color: var(--on-dark-low);
}

/* ---------- Motion layer ----------
   Reveals ENHANCE an already-visible default: base state is visible, JS adds
   .r-armed only when it can also observe. Nothing is gated on JS. */
[data-r] { transition: opacity .85s var(--ease), transform .85s var(--ease); }
.r-armed [data-r] { opacity: 0; }
.r-armed [data-r="up"]    { transform: translateY(28px); }
.r-armed [data-r="left"]  { transform: translateX(-26px); }
.r-armed [data-r="right"] { transform: translateX(26px); }
/* Horizontal offsets become vertical below the split breakpoint, where a
   sideways transform would push past the viewport edge. */
@media (max-width: 61.99rem) {
  .r-armed [data-r="left"], .r-armed [data-r="right"] { transform: translateY(24px); }
}
.r-armed [data-r="scale"] { transform: scale(0.965); }
.r-armed [data-r].is-in { opacity: 1; transform: none; }
[data-r-delay] { transition-delay: calc(var(--i, 0) * 85ms); }

/* Line-by-line heading reveal */
.r-lines .ln { display: block; overflow: hidden; }
.r-lines .ln > span { display: block; transition: transform .9s var(--ease-expo); }
.r-armed .r-lines .ln > span { transform: translateY(105%); }
.r-armed .r-lines.is-in .ln > span { transform: none; }
.r-armed .r-lines.is-in .ln:nth-child(2) > span { transition-delay: .09s; }
.r-armed .r-lines.is-in .ln:nth-child(3) > span { transition-delay: .18s; }
.r-armed .r-lines.is-in .ln:nth-child(4) > span { transition-delay: .27s; }

/* Media scale-in */
.r-media { overflow: hidden; }
.r-media img, .r-media video { transition: transform 1.3s var(--ease-expo), opacity .9s var(--ease); }
.r-armed .r-media img, .r-armed .r-media video { transform: scale(1.1); opacity: 0; }
.r-armed .r-media.is-in img, .r-armed .r-media.is-in video { transform: scale(1); opacity: 1; }

/* Rule draw */
.r-rule { transform-origin: left; }
.r-armed .r-rule { transform: scaleX(0); transition: transform 1s var(--ease-expo); }
.r-armed .r-rule.is-in { transform: scaleX(1); }

@media (prefers-reduced-motion: reduce) {
  .r-armed [data-r],
  .r-armed .r-lines .ln > span,
  .r-armed .r-media img, .r-armed .r-media video,
  .r-armed .r-rule {
    opacity: 1 !important; transform: none !important; transition: none !important;
  }
  .marq-track { animation: none; }
  .cue .cue-line::after { animation: none; top: 0; }
  .btn:hover, .tile:hover, .way:hover { transform: none; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- Utilities ---------- */
.vh { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.mt-auto { margin-top: auto; }
.rule { height: 1px; background: var(--line); border: 0; }
.on-dark .rule { background: var(--line-dark); }
.text-rust { color: var(--rust); }
.text-ochre { color: var(--ochre); }


/* .on-soil is .on-dark with a soil-brown ground. Mirror every text treatment
   so nothing inherits light-mode ink on a dark surface. */
.on-soil .marker { color: var(--on-dark-low); }
.on-soil .marker::before { color: var(--ochre); }
.on-soil .lead, .on-soil .prose { color: var(--on-dark-mid); }
.on-soil .em { color: var(--on-dark-hi); }
.on-soil .specs, .on-soil .spec { border-color: oklch(0.36 0.03 70); }
.on-soil .spec dt { color: var(--on-dark-low); }
.on-soil .spec dd { color: var(--on-dark-mid); }
.on-soil .pill { border-color: oklch(0.38 0.03 70); color: var(--on-dark-mid); }
.on-soil .pill .dot { background: var(--ochre); }
.on-soil .fg { border-color: var(--ochre); }
.on-soil .fg .fg-n { color: var(--on-dark-hi); }
.on-soil .fg .fg-l { color: var(--on-dark-mid); }
.on-soil .seq-item { border-color: oklch(0.40 0.03 70); }
.on-soil .seq-item::before { color: var(--ochre); }
.on-soil .pull-cite { color: var(--on-dark-low); }
.on-soil .rule { background: oklch(0.36 0.03 70); }
.on-soil .acc, .on-soil .acc details { border-color: oklch(0.36 0.03 70); }
.on-soil .acc summary .ind { border-color: oklch(0.42 0.03 70); }
.on-soil .acc .acc-body { color: var(--on-dark-mid); }
.on-soil .btn-ghost { border-color: oklch(0.45 0.03 70); color: var(--on-dark-hi); }
.on-soil .btn-ghost:hover { background: var(--on-dark-hi); color: var(--soil-deep); border-color: var(--on-dark-hi); }
.on-soil .link-rule { color: var(--on-dark-hi); }

/* Make the product shot read larger inside its frame */
.fig-product { background: #000; }
.fig-product img { object-fit: contain; padding: 4%; }

/* Footer CTA needs a calmer ground so the headline stays legible */
.ftr-cta::after {
  background:
    linear-gradient(to top, oklch(0.11 0.012 145 / 0.96) 18%, oklch(0.11 0.012 145 / 0.72) 62%, oklch(0.11 0.012 145 / 0.55));
}
.ftr-cta h2 { color: #fff; }