/* ==========================================================================
   BonesDefense, design system
   Black canvas, bone-white type, hairline rules, no colour accent.
   ========================================================================== */

:root {
  /* surface */
  --ink:        #000000;
  --ink-2:      #08090a;
  --ink-3:      #101114;
  --slate:      #949ca4;
  --slate-2:    #8a929a;
  --slate-ink:  #0a0c0e;

  /* type */
  --bone:       #f4f2ef;
  --bone-dim:   rgba(244, 242, 239, 0.62);
  --bone-faint: rgba(244, 242, 239, 0.40);
  --bone-ghost: rgba(244, 242, 239, 0.22);

  /* line */
  --rule:       rgba(244, 242, 239, 0.13);
  --rule-soft:  rgba(244, 242, 239, 0.07);

  --sans: "Helvetica Now Display", "Helvetica Neue", Helvetica, Arial,
          "Segoe UI", Roboto, sans-serif;

  /* rhythm */
  --gut:   clamp(22px, 5vw, 76px);
  --band:  clamp(76px, 11vh, 152px);
  --maxw:  1560px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  /* long decelerating tail: content arrives with weight instead of snapping in */
  --ease-heavy: cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--bone); color: var(--ink); }

:focus-visible {
  outline: 1px solid var(--bone);
  outline-offset: 3px;
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--bone); color: var(--ink);
  padding: 12px 20px; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
}
.skip:focus { left: 12px; top: 12px; }

/* ---------- layout primitives ------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.band     { padding-block: var(--band); }
.band--sm { padding-block: clamp(52px, 7vh, 92px); }

.rule { height: 1px; background: var(--rule); border: 0; margin: 0; }

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

.eyebrow {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bone-faint);
  margin: 0 0 26px;
}

h1, h2, h3, h4 { margin: 0; font-weight: 700; }

.h-display {
  font-size: clamp(38px, 6.2vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.035em;
}

.h-lead {
  font-size: clamp(30px, 4.4vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.028em;
}

.h-sub {
  font-size: clamp(20px, 2.2vw, 27px);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.h-min {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.copy {
  margin: 0;
  color: var(--bone-dim);
  font-size: 14px;
  line-height: 1.68;
  max-width: 52ch;
}
.copy + .copy { margin-top: 1.1em; }
.copy--wide { max-width: 68ch; }

/* ---------- links & buttons --------------------------------------------- */

.lnk {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone);
  padding-block: 6px;
  /* a multi-word label would wrap inside the hover scramble's locked width and
     push the block taller, CTA labels should never wrap anyway */
  white-space: nowrap;
  transition: opacity 0.3s var(--ease);
}
.lnk .arw { transition: transform 0.36s var(--ease); }
.lnk:hover { opacity: 0.6; }
.lnk:hover .arw { transform: translateX(6px); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--bone);
  color: var(--ink);
  border: 1px solid var(--bone);
  border-radius: 999px;
  padding: 15px 30px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.btn .arw { transition: transform 0.36s var(--ease); }
.btn:hover { background: transparent; color: var(--bone); }
.btn:hover .arw { transform: translateX(6px); }

.btn--ghost { background: transparent; color: var(--bone); border-color: var(--rule); }
.btn--ghost:hover { background: var(--bone); color: var(--ink); border-color: var(--bone); }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 34px;
  margin-top: 40px;
}

/* ---------- header ------------------------------------------------------ */

.hdr {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px var(--gut);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease),
              backdrop-filter 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.hdr.is-stuck {
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--rule-soft);
}

/* header sits over the light hero until scrolled */
.hdr--over { color: var(--slate-ink); }
.hdr--over.is-stuck { color: var(--bone); }

.hdr__mark {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}
.hdr__mark .mark { width: 74px; height: auto; }
.hdr__mark .wordmark {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.012em;
  white-space: nowrap;
}

.nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 40px); }

.nav a,
.nav__group > button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: none;
  border: 0;
  padding: 6px 0;
  color: currentColor;
  font-family: inherit;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  opacity: 0.62;
  cursor: pointer;
  /* the hover scramble swaps in proportional glyphs, never let a label wrap */
  white-space: nowrap;
  transition: opacity 0.3s var(--ease);
}
.nav a:hover,
.nav__group > button:hover { opacity: 1; }

.nav a.is-here { opacity: 1; }
.nav a.is-here::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -3px;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  transform: translateX(-50%);
}

.nav__group { position: relative; }
.nav__group > button .pm { font-size: 13px; line-height: 1; opacity: 0.8; }

.nav__menu {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  min-width: 210px;
  background: rgba(8, 9, 10, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--rule);
  padding: 8px;
  display: grid;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease), visibility 0.28s;
}
.nav__group.is-open .nav__menu { opacity: 1; visibility: visible; transform: none; }
.nav__menu a {
  color: var(--bone);
  padding: 11px 14px;
  opacity: 0.66;
}
.nav__menu a:hover { opacity: 1; background: rgba(244, 242, 239, 0.06); }

.burger {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  background: none; border: 0; padding: 0;
  color: currentColor; cursor: pointer;
}
.burger span {
  display: block; position: relative;
  width: 20px; height: 1px; background: currentColor;
  transition: background 0.2s var(--ease);
}
.burger span::before,
.burger span::after {
  content: ""; position: absolute; left: 0;
  width: 20px; height: 1px; background: currentColor;
  transition: transform 0.32s var(--ease);
}
.burger span::before { top: -6px; }
.burger span::after  { top: 6px; }
.is-nav-open .burger span { background: transparent; }
.is-nav-open .burger span::before { transform: translateY(6px) rotate(45deg); }
.is-nav-open .burger span::after  { transform: translateY(-6px) rotate(-45deg); }

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

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 140px var(--gut) 90px;
  background:
    radial-gradient(120% 90% at 22% 8%, rgba(255,255,255,0.55) 0%, rgba(255,255,255,0) 58%),
    linear-gradient(126deg, #e9eaeb 0%, #cdcfd2 34%, #a8abaf 66%, #8e9195 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -10%;
  background: url("../img/glyph-field.svg") repeat;
  background-size: 560px 560px;
  opacity: 1;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.10) 0%, rgba(0,0,0,0) 26%);
  pointer-events: none;
}

/* the static tile is the no-JS / reduced-motion fallback; once the animated
   field is built it steps aside so the two don't stack */
.hero.is-live::before { display: none; }

/* Dark marks, not white: the hero gradient runs near-white at top-left, where white
   glyphs disappear entirely. Ink reads across the whole field and matches the lockup. */
.hero__code {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
  color: #1b1e22;
  font-family: Menlo, Consolas, ui-monospace, monospace;
  letter-spacing: 0.1em;
}
.hero__code b {
  position: absolute;
  font-weight: 400;
  opacity: 0;
  white-space: nowrap;
  /* linear + short ramps reads as switching rather than breathing */
  animation: bit var(--dur) linear var(--delay) infinite;
}

/* fast edges, generous plateau: the switch is crisp but the field stays populated */
@keyframes bit {
  0%             { opacity: 0; }
  4%             { opacity: var(--op); }
  70%            { opacity: var(--op); }
  77%, 100%      { opacity: 0; }
}

/* stop the field while the hero is off-screen */
.hero:not(.is-onscreen) .hero__code b { animation-play-state: paused; }

.hero__lockup {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: clamp(20px, 3vw, 34px);
  color: #000;
  text-align: center;
}
.hero__lockup .mark {
  width: clamp(280px, 44vw, 620px);
  height: auto;
}
/* same treatment as .h-display so the lockup reads as site type, not a separate face */
.hero__lockup .wordmark {
  font-family: var(--sans);
  font-size: clamp(38px, 6.2vw, 92px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.98;
}

/* page hero for interior pages */
.phero {
  padding: clamp(150px, 22vh, 230px) 0 clamp(56px, 9vh, 104px);
}

/* ---------- manifesto band ---------------------------------------------- */

.manifesto {
  background: var(--ink);
  padding-block: clamp(50px, 7vh, 88px);
}
.manifesto p {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(26px, 3.1vw, 46px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.022em;
  text-transform: uppercase;
  text-align: justify;
  text-align-last: left;
  hyphens: none;
}

/* ---------- split / grid blocks ----------------------------------------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(30px, 5vw, 96px);
  align-items: start;
}
.split--even { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.duo {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 68px);
  margin-top: clamp(34px, 4vw, 58px);
}
.duo h3 { margin: 0 0 14px; }

.media-col {
  display: grid;
  gap: clamp(28px, 4vw, 60px);
  align-items: center;
}
@media (min-width: 861px) {
  .media-col { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .media-col--flip .media-col__txt { order: 2; }
}

.frame {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--rule-soft);
}
/* plates are 16:9 technical illustrations, contain keeps them whole, and the black
   letterbox is invisible against the black frame */
.frame img { width: 100%; height: 100%; object-fit: contain; }

/* ---------- full-bleed plate -------------------------------------------- */

.plate {
  position: relative;
  width: 100%;
  height: clamp(360px, 66vh, 720px);
  overflow: hidden;
  background: var(--ink);
  border-block: 1px solid var(--rule-soft);
}
.plate img { width: 100%; height: 100%; object-fit: contain; }
.plate a { display: block; height: 100%; }
.plate__cap {
  position: absolute;
  left: var(--gut);
  bottom: 20px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--bone);
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.9);
}
.plate__cap::before { content: ".: "; color: var(--bone-faint); }

/* ---------- slate break section ----------------------------------------- */

.slatewrap {
  background: var(--slate);
  color: var(--slate-ink);
}
.slatewrap .eyebrow { color: rgba(10, 12, 14, 0.55); }
.slatewrap .copy    { color: rgba(10, 12, 14, 0.78); }
.slatewrap .lnk     { color: var(--slate-ink); }
.slatewrap .rule    { background: rgba(10, 12, 14, 0.16); }
.slatewrap .btn     { background: var(--slate-ink); color: var(--slate); border-color: var(--slate-ink); }
.slatewrap .btn:hover { background: transparent; color: var(--slate-ink); }

/* ---------- indexed list (01 / 02 / 03) --------------------------------- */

.idx { border-top: 1px solid var(--rule); }
.idx__row {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}
.idx__n {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--bone-faint);
  font-variant-numeric: tabular-nums;
}
.idx__t { font-size: clamp(15px, 1.5vw, 19px); font-weight: 500; letter-spacing: -0.012em; }
.idx__s { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--bone-faint); }

.slatewrap .idx,
.slatewrap .idx__row { border-color: rgba(10, 12, 14, 0.18); }
.slatewrap .idx__n,
.slatewrap .idx__s { color: rgba(10, 12, 14, 0.55); }

/* ---------- spec table --------------------------------------------------- */

.spec { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.spec__row {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr);
  gap: 18px;
  padding: 15px 0;
  border-bottom: 1px solid var(--rule);
}
.spec__k {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone-faint);
}
.spec__v { font-size: 14px; font-weight: 500; }

/* ---------- cards -------------------------------------------------------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.card {
  background: var(--ink);
  padding: clamp(26px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 0.35s var(--ease);
}
a.card:hover { background: var(--ink-3); }
.card__n {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--bone-faint);
}
.card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #000;
  margin: 0 0 6px;
}
.card__media img { width: 100%; height: 100%; object-fit: contain;
  transition: transform 0.7s var(--ease); }
a.card:hover .card__media img { transform: scale(1.04); }
.card .copy { font-size: 13.5px; }
.card__foot { margin-top: auto; padding-top: 10px; }

/* ---------- roadmap ------------------------------------------------------ */

.road {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  gap: 1px;
  background: var(--rule);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.road > div {
  background: var(--ink);
  padding: clamp(24px, 2.6vw, 36px) clamp(20px, 2vw, 30px) clamp(34px, 4vw, 52px);
}
.road__n {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--bone-faint);
  margin-bottom: 28px;
  font-variant-numeric: tabular-nums;
}
.road h3 { margin: 0 0 12px; }

/* ---------- centred CTA -------------------------------------------------- */

.mid { text-align: center; display: grid; justify-items: center; }
.mid .copy { margin-inline: auto; text-align: center; }
.mid .cta-row { justify-content: center; }

/* ---------- form --------------------------------------------------------- */

.form { display: grid; gap: 22px; max-width: 620px; }
.field { display: grid; gap: 9px; }
.field label {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone-faint);
}
.field input,
.field select,
.field textarea {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  color: var(--bone);
  font-family: inherit;
  font-size: 15px;
  padding: 11px 0;
  border-radius: 0;
  transition: border-color 0.3s var(--ease);
}
.field select { appearance: none; cursor: pointer; }
.field select option { background: var(--ink-3); color: var(--bone); }
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--bone);
}
.field input::placeholder,
.field textarea::placeholder { color: var(--bone-ghost); }

.form__note {
  font-size: 11px;
  line-height: 1.6;
  color: var(--bone-faint);
  max-width: 60ch;
}

/* ---------- notice ------------------------------------------------------- */

.notice {
  border: 1px solid var(--rule);
  padding: clamp(22px, 2.6vw, 34px);
  display: grid;
  gap: 10px;
}
.notice .eyebrow { margin-bottom: 4px; }

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

.ftr { background: var(--ink); border-top: 1px solid var(--rule); }

.ftr__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-block: 26px;
  border-bottom: 1px solid var(--rule);
}

.ftr__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 170px), 1fr));
  gap: 34px clamp(20px, 3vw, 50px);
  padding-block: clamp(44px, 6vw, 76px);
}
.ftr__cols ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.ftr__cols li { display: grid; grid-template-columns: 34px 1fr; gap: 6px; }
.ftr__cols .n {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--bone-ghost);
  font-variant-numeric: tabular-nums;
}
.ftr__cols a {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-dim);
  /* inline-block so the hover scramble can lock the box; nowrap so a wider
     substitute glyph can never wrap the label and grow the column */
  display: inline-block;
  white-space: nowrap;
  transition: color 0.3s var(--ease);
}
.ftr__cols a:hover { color: var(--bone); }

.ftr__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 22px;
  padding-block: 30px 44px;
  border-top: 1px solid var(--rule);
}
.ftr__base .hdr__mark .mark { width: 92px; }
.ftr__legal {
  text-align: right;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone-faint);
  line-height: 1.9;
}

/* the mark is black line-art; invert it wherever it sits on a dark surface */
.mark--inv { filter: invert(1); }

/* interior pages: header is dark from the start */
.hdr:not(.hdr--over) .hdr__mark .mark { filter: invert(1); }

/* homepage: mark rides the light hero in black, flips white once the bar solidifies */
.hdr--over .hdr__mark .mark { transition: filter 0.4s var(--ease); }
.hdr--over.is-stuck .hdr__mark .mark { filter: invert(1); }

@media (max-width: 860px) {
  .is-nav-open .hdr--over .hdr__mark .mark { filter: invert(1); }
}

/* ---------- reveal on scroll --------------------------------------------- */

.rv {
  opacity: 0;
  transform: translateY(52px);
  transition: opacity 1.05s var(--ease-heavy), transform 1.35s var(--ease-heavy);
}
.rv.is-in { opacity: 1; transform: none; }

/* parallax layers, driven from site.js */
.plate img,
.frame img,
.hero__lockup,
.hero__code {
  will-change: transform;
}
/* the plates sit slightly overscanned so the parallax travel never exposes an edge */
.plate img { transform: scale(1.12); }

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

/* ---------- responsive ---------------------------------------------------- */

@media (max-width: 980px) {
  .split, .split--even { grid-template-columns: 1fr; }
  .duo { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .frame { aspect-ratio: 3 / 2; }
  .ftr__base { flex-direction: column; align-items: flex-start; }
  .ftr__legal { text-align: left; }

  .burger { display: inline-flex; }

  .nav {
    position: fixed;
    inset: 0;
    z-index: 90;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    padding: 90px var(--gut) var(--gut);
    background: rgba(0, 0, 0, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--bone);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s var(--ease), visibility 0.4s;
    overflow-y: auto;
  }
  .is-nav-open .nav { opacity: 1; visibility: visible; }
  .nav > a,
  .nav__group > button {
    font-size: 20px;
    letter-spacing: 0.02em;
    text-transform: none;
    font-weight: 700;
    padding-block: 13px;
    opacity: 1;
  }
  .nav a.is-here::after { left: auto; right: -14px; bottom: auto; top: 50%; }
  .nav__group { width: 100%; }
  .nav__menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 0;
    border-left: 1px solid var(--rule);
    margin: 4px 0 10px 2px;
    padding: 0 0 0 16px;
  }
  .nav__menu a { padding: 9px 0; font-size: 11px; }
  .hdr--over .burger { color: var(--slate-ink); }
  .is-nav-open .hdr,
  .is-nav-open .hdr--over { color: var(--bone); }
  /* the overlay is black, so the close control must flip to bone on every page */
  .is-nav-open .burger,
  .is-nav-open .hdr--over .burger { color: var(--bone); }
  .is-nav-open .hdr__mark { opacity: 0; pointer-events: none; }
}

@media (max-width: 620px) {
  .idx__row { grid-template-columns: 40px minmax(0, 1fr); }
  .idx__s { grid-column: 2; }
  .spec__row { grid-template-columns: 1fr; gap: 5px; }
  .manifesto p { max-width: none; text-align: left; }
}