/* ────────────────────────────────────────────────────────────
   COM Computing Ltd — comcomputing.im
   Swiss International Typographic Style, set to the business
   card: layout-paper grid, signal orange, lowercase "com."
   wordmark with a square period. Archivo + Fragment Mono.

   Two stocks: day (paper) and night (ink), flipped with the
   View Transitions API. The contact section is the printed
   card back — it never themes.
   ──────────────────────────────────────────────────────────── */

:root {
  --paper: #f4f1e9;
  --paper-2: #eae6d8;
  --ink: #16140f;
  --ink-soft: #57513f;
  --hair: #d5cfbc;
  --orange: #ff4d00;
  --orange-deep: #d63a00;
  --shadow: rgba(22, 20, 15, 0.85);

  --font-sans: "Archivo", "Helvetica Neue", Helvetica, sans-serif;
  --font-mono: "Fragment Mono", "Courier New", monospace;

  --gutter: clamp(1.25rem, 4vw, 4rem);
  --max: 1320px;

  color-scheme: light;
}

:root[data-theme="dark"] {
  --paper: #141310;
  --paper-2: #1e1c16;
  --ink: #ede8da;
  --ink-soft: #a89f8a;
  --hair: #302c23;
  --orange: #ff4d00;
  --orange-deep: #ff6d33;
  --shadow: rgba(0, 0, 0, 0.55);

  color-scheme: dark;
}

*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }

/* Layout paper: faint square graph grid, like the card stock */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--ink) 4.5%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--ink) 4.5%, transparent) 1px, transparent 1px);
  background-size: 88px 88px;
}

/* Print grain */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 40;
  opacity: 0.05;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

:root[data-theme="dark"] body::after {
  mix-blend-mode: screen;
  opacity: 0.045;
}

/* Designer's grid overlay + crosshair guides, toggled from the HUD */
.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 30;
  background-image:
    repeating-linear-gradient(
      to right,
      rgba(255, 77, 0, 0.16) 0,
      rgba(255, 77, 0, 0.16) 1px,
      transparent 1px,
      transparent calc(100% / 12)
    ),
    repeating-linear-gradient(
      to bottom,
      rgba(255, 77, 0, 0.1) 0,
      rgba(255, 77, 0, 0.1) 1px,
      transparent 1px,
      transparent 4rem
    );
}

.grid-overlay .cross-x,
.grid-overlay .cross-y {
  position: absolute;
  background: var(--orange);
  opacity: 0.55;
}

.grid-overlay .cross-x { left: 0; right: 0; height: 1px; top: var(--cross-y, -10px); }
.grid-overlay .cross-y { top: 0; bottom: 0; width: 1px; left: var(--cross-x, -10px); }

main, .masthead, .ticker, .footer { position: relative; z-index: 1; }

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

a { color: inherit; text-decoration: none; }

em { font-style: italic; }

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

.skip {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 50;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.6rem 1rem;
  transition: top 0.2s ease;
}

.skip:focus-visible { top: 1rem; }

/* ── Theme flip: circular wipe via the View Transitions API ── */

::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
}

::view-transition-new(root) {
  clip-path: circle(0 at var(--vt-x, 50%) var(--vt-y, 50%));
  animation: vt-wipe 0.55s ease-out forwards;
}

@keyframes vt-wipe {
  to { clip-path: circle(150% at var(--vt-x, 50%) var(--vt-y, 50%)); }
}

/* ── Wordmark: lowercase "com." with square period ────────── */

.wordmark {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  line-height: 1;
}

.wordmark-com {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.7rem;
  letter-spacing: -0.05em;
  text-transform: lowercase;
}

.wordmark-dot {
  width: 0.42em;
  height: 0.42em;
  background: var(--orange);
  display: inline-block;
  margin-left: 0.12em;
  font-size: 1.7rem;
}

.wordmark-com.sm { font-size: 1.35rem; }
.wordmark-dot.sm { font-size: 1.35rem; }

.wordmark-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ── Masthead ─────────────────────────────────────────────── */

.masthead {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 1.75rem;
  padding: 0.85rem var(--gutter);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hair);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}

.masthead.is-scrolled { box-shadow: 0 1px 0 var(--ink); }

.nav {
  display: flex;
  gap: 1.75rem;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav a { position: relative; padding: 0.25rem 0; }

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav a:hover::after,
.nav a:focus-visible::after { transform: scaleX(1); }

.theme-btn {
  width: 32px;
  height: 32px;
  flex: none;
  display: grid;
  place-items: center;
  background: none;
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.nav + .theme-btn { margin-left: 0; }

.theme-ico {
  width: 13px;
  height: 13px;
  border: 1px solid var(--ink);
  background: linear-gradient(90deg, var(--ink) 0 50%, transparent 50%);
  transition: transform 0.35s ease;
}

.theme-btn:hover { border-color: var(--orange); }
.theme-btn:hover .theme-ico { transform: rotate(180deg); }
.theme-btn[aria-pressed="true"] .theme-ico { transform: rotate(180deg); }

.masthead-cta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  padding: 0.55rem 1rem;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.masthead-cta:hover,
.masthead-cta:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

/* ── Ticker ───────────────────────────────────────────────── */

.ticker {
  overflow: hidden;
  border-bottom: 1px solid var(--hair);
  background: var(--paper);
}

.ticker-track {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  width: max-content;
  padding: 0.55rem 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  animation: ticker 46s linear infinite;
}

.ticker:hover .ticker-track { animation-play-state: paused; }

.ticker-track i {
  width: 6px;
  height: 6px;
  background: var(--orange);
  flex: none;
}

@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── Shared section furniture ─────────────────────────────── */

section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 7.5rem) var(--gutter) 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "index note" "title note";
  align-items: end;
  position: relative;
  padding-bottom: 1rem;
  gap: 0.25rem 2rem;
}

/* The section rule draws itself in on reveal */
.section-head::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.15s;
}

.section-head.in-view::after { transform: scaleX(1); }

.section-index {
  grid-area: index;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--orange-deep);
}

.section-head h2 {
  grid-area: title;
  font-weight: 800;
  font-stretch: 115%;
  font-variation-settings: "wdth" 115;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.section-note {
  grid-area: note;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  text-align: right;
  padding-bottom: 0.35rem;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--orange-deep);
}

/* ── Buttons ──────────────────────────────────────────────── */

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.9rem 1.6rem;
  border: 1px solid var(--ink);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-solid { background: var(--ink); color: var(--paper); }

.btn-solid:hover,
.btn-solid:focus-visible { background: var(--orange); border-color: var(--orange); color: #fff; }

.btn-ghost:hover,
.btn-ghost:focus-visible { background: var(--ink); color: var(--paper); }

/* Card-back buttons (on the printed orange — fixed colours) */
.btn-card {
  background: #16140f;
  color: #fff;
  border-color: #16140f;
  text-transform: none;
  letter-spacing: 0.04em;
}

.btn-card:hover,
.btn-card:focus-visible { background: #fff; color: #16140f; border-color: #fff; }

.btn-card-ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
  text-transform: none;
  letter-spacing: 0.04em;
}

.btn-card-ghost:hover,
.btn-card-ghost:focus-visible { background: #fff; border-color: #fff; color: #d63a00; }

/* ── Hero (card front) ────────────────────────────────────── */

.hero {
  padding-top: clamp(3.5rem, 8vw, 6.5rem);
  position: relative;
}

/* Crop marks, like a print proof */
.crop {
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.crop-tl { top: 1.4rem; left: var(--gutter); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.crop-tr { top: 1.4rem; right: var(--gutter); border-top: 1px solid var(--ink); border-right: 1px solid var(--ink); }
.crop-bl { bottom: -1.25rem; left: var(--gutter); border-bottom: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.crop-br { bottom: -1.25rem; right: var(--gutter); border-bottom: 1px solid var(--ink); border-right: 1px solid var(--ink); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(300px, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.hero h1 {
  font-weight: 850;
  font-stretch: 118%;
  font-variation-settings: "wdth" 118;
  font-size: clamp(2.75rem, 6.2vw, 5.6rem);
  line-height: 0.94;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 1.25rem 0 1.75rem;
  cursor: default;
}

.hero h1 em {
  font-style: italic;
  color: var(--orange);
  letter-spacing: -0.01em;
}

/* Words wrapped by JS: lines break only at spaces */
.hero h1 .wrd { display: inline-block; white-space: nowrap; }

/* Letters: variable-font proximity effect + entrance rise */
.hero h1 .ltr {
  display: inline-block;
  transition: font-variation-settings 0.3s ease;
  will-change: font-variation-settings;
}

.hero h1.split .ltr { opacity: 0; }

.hero h1.split.in .ltr {
  animation: rise-in 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: calc(var(--i, 0) * 24ms);
}

@keyframes rise-in {
  from { opacity: 0; transform: translateY(0.5em); }
  to   { opacity: 1; transform: none; }
}

.hero-lede {
  max-width: 34rem;
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  line-height: 1.6;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.25rem;
}

/* Practice register card */

.hero-registry {
  border: 1px solid var(--ink);
  background: var(--paper);
  box-shadow: 6px 6px 0 var(--paper-2), 6px 6px 0 1px var(--hair);
}

.registry-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  padding: 0.7rem 1.1rem;
  border-bottom: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.hero-registry dl { padding: 0.4rem 0; }

.hero-registry dl > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.55rem 1.1rem;
  border-bottom: 1px dashed var(--hair);
  opacity: 0;
  transform: translateX(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.hero-registry.in-view dl > div { opacity: 1; transform: none; }

.hero-registry.in-view dl > div:nth-child(1) { transition-delay: 0.30s; }
.hero-registry.in-view dl > div:nth-child(2) { transition-delay: 0.38s; }
.hero-registry.in-view dl > div:nth-child(3) { transition-delay: 0.46s; }
.hero-registry.in-view dl > div:nth-child(4) { transition-delay: 0.54s; }
.hero-registry.in-view dl > div:nth-child(5) { transition-delay: 0.62s; }
.hero-registry.in-view dl > div:nth-child(6) { transition-delay: 0.70s; }
.hero-registry.in-view dl > div:nth-child(7) { transition-delay: 0.78s; }

.hero-registry dl > div:last-child { border-bottom: none; }

.hero-registry dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.hero-registry dd {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-align: right;
}

.hero-registry dd a:hover { color: var(--orange-deep); }

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  margin-right: 0.5em;
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}

/* ── Services ─────────────────────────────────────────────── */

.service-list { list-style: none; }

.service {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1.6fr) minmax(0, 0.8fr);
  gap: 1.5rem 2.5rem;
  align-items: start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--hair);
  transition: background 0.25s ease;
}

.service:hover { background: color-mix(in srgb, var(--paper-2) 55%, var(--paper)); }

.service-no {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  color: var(--ink-soft);
  line-height: 1.1;
  transition: color 0.25s ease;
}

.service:hover .service-no { color: var(--orange); }

.service-body h3 {
  font-weight: 750;
  font-stretch: 110%;
  font-variation-settings: "wdth" 110;
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  line-height: 1.1;
  margin-bottom: 0.6rem;
}

.service-body p { color: var(--ink-soft); max-width: 44rem; }

.service-tags {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-align: right;
  padding-top: 0.5rem;
}

/* ── Ledger ───────────────────────────────────────────────── */

.ledger-wrap { padding-bottom: 0; }

.ledger {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--ink);
  background: var(--paper);
}

.ledger-item {
  padding: 2.25rem 1.75rem 2rem;
  border-right: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.ledger-item:last-child { border-right: none; }

.ledger-figure {
  font-weight: 900;
  font-stretch: 122%;
  font-variation-settings: "wdth" 122;
  font-size: clamp(3rem, 6.5vw, 5.5rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.ledger-caption {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ── Provenance ───────────────────────────────────────────── */

.provenance-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  padding-top: 2.5rem;
}

.provenance-lede {
  font-weight: 650;
  font-stretch: 108%;
  font-variation-settings: "wdth" 108;
  font-size: clamp(1.5rem, 2.8vw, 2.15rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.provenance-lede em { color: var(--orange-deep); font-style: italic; }

.provenance-detail {
  color: var(--ink-soft);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  border-left: 1px solid var(--hair);
  padding-left: clamp(1.25rem, 2.5vw, 2.5rem);
}

.provenance-detail p:last-child { font-weight: 650; color: var(--ink); }

/* ── Work registry ────────────────────────────────────────── */

.registry {
  border: 1px solid var(--ink);
  margin-top: 2.5rem;
  background: var(--paper);
}

.registry-row {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 2.2fr) minmax(0, 1fr) minmax(0, 1.4fr) 5.5rem;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.05rem 1.25rem;
  border-bottom: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  transition: background 0.18s ease, color 0.18s ease, opacity 0.5s ease, transform 0.5s ease;
}

/* Rows cascade in when the register reveals */
.registry.reveal .registry-row { opacity: 0; transform: translateY(10px); }
.registry.reveal.in-view .registry-row { opacity: 1; transform: none; }
.registry.reveal.in-view .registry-row:nth-child(2) { transition-delay: 0.08s; }
.registry.reveal.in-view .registry-row:nth-child(3) { transition-delay: 0.16s; }
.registry.reveal.in-view .registry-row:nth-child(4) { transition-delay: 0.24s; }
.registry.reveal.in-view .registry-row:nth-child(5) { transition-delay: 0.32s; }
.registry.reveal.in-view .registry-row:nth-child(6) { transition-delay: 0.40s; }
.registry.reveal.in-view .registry-row:nth-child(7) { transition-delay: 0.48s; }

.registry-row:last-child { border-bottom: none; }

.registry-head {
  background: var(--ink);
  color: var(--paper);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--ink);
}

.registry-row[data-preview]:hover,
a.registry-row:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

.registry-row[data-preview]:hover .reg-status.is-live::before,
a.registry-row:focus-visible .reg-status.is-live::before { background: var(--orange); }

.reg-name {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
}

.reg-name em {
  font-family: var(--font-sans);
  font-weight: 400;
  font-style: italic;
  color: var(--ink-soft);
}

.registry-row[data-preview]:hover .reg-name em,
a.registry-row:focus-visible .reg-name em { color: var(--hair); }

.reg-status {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.68rem;
  white-space: nowrap;
  text-align: right;
}

.reg-status.is-live::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  margin-right: 0.5em;
  transform: translateY(-1px);
  transition: background 0.18s ease;
}

.work-footnote {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  padding-top: 0.8rem;
  letter-spacing: 0.05em;
}

/* Cursor-following preview card */

.preview {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  width: min(320px, 30vw);
  pointer-events: none;
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.preview.is-on { opacity: 1; transform: scale(1); }

.preview-frame {
  border: 1px solid var(--ink);
  background: var(--paper);
  box-shadow: 8px 8px 0 var(--shadow);
  aspect-ratio: 3 / 2;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.preview-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}

.preview-stamp[hidden],
.preview-spec[hidden] { display: none; }

.preview-stamp,
.preview-spec {
  display: grid;
  place-items: center;
  gap: 0.4rem;
  width: 100%;
  height: 100%;
  align-content: center;
}

.preview-stamp {
  background:
    repeating-linear-gradient(-45deg, transparent 0, transparent 14px,
      color-mix(in srgb, var(--ink) 5%, transparent) 14px,
      color-mix(in srgb, var(--ink) 5%, transparent) 15px);
}

.preview-stamp-mark {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--orange-deep);
  border: 2px solid var(--orange-deep);
  padding: 0.5rem 1rem 0.5rem 1.4rem;
  transform: rotate(-6deg);
}

.preview-stamp-sub,
.preview-spec-sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.preview-spec { background: var(--orange); }

.preview-spec-mark {
  font-weight: 900;
  font-size: 3rem;
  letter-spacing: -0.05em;
  color: #fff;
  line-height: 1;
}

.preview-spec-mark i {
  display: inline-block;
  width: 0.42em;
  height: 0.42em;
  background: #16140f;
  margin-left: 0.12em;
}

.preview-spec .preview-spec-sub { color: rgba(255, 255, 255, 0.85); }

.preview-label {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--paper);
  border: 1px solid var(--hair);
  padding: 0.35rem 0.6rem;
  width: max-content;
  max-width: 100%;
}

/* ── Engagement ───────────────────────────────────────────── */

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding-top: 2.5rem;
}

.model {
  border: 1px solid var(--ink);
  padding: 1.75rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  background: var(--paper);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.model:hover {
  transform: translate(-3px, -3px);
  box-shadow: 5px 5px 0 var(--orange);
}

.model-key {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  line-height: 1;
  color: var(--orange);
}

.model h3 {
  font-weight: 750;
  font-stretch: 112%;
  font-variation-settings: "wdth" 112;
  font-size: 1.35rem;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.model p { color: var(--ink-soft); flex: 1; }

.model-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-top: 1px dashed var(--hair);
  padding-top: 0.9rem;
}

/* ── Contact: the printed card back — never themes ────────── */

.contact {
  max-width: none;
  margin-top: clamp(4.5rem, 10vw, 8rem);
  padding: 0;
  background: #ff4d00;
  color: #fff;
  position: relative;
}

.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.13) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.13) 1px, transparent 1px);
  background-size: 88px 88px;
}

.contact-inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4.5rem, 9vw, 7.5rem) var(--gutter) clamp(3rem, 6vw, 5rem);
}

.contact .kicker { color: rgba(255, 255, 255, 0.78); }

.contact-title {
  font-weight: 875;
  font-stretch: 120%;
  font-variation-settings: "wdth" 120;
  font-size: clamp(3rem, 9vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 1.25rem 0 1.5rem;
}

.contact-lede {
  max-width: 36rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.1rem;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.5rem;
}

.contact-note {
  margin-top: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
}

/* Giant card-back wordmark */

.card-back {
  margin-top: clamp(3rem, 7vw, 5.5rem);
  text-align: center;
  font-weight: 900;
  font-size: clamp(6rem, 22vw, 17rem);
  letter-spacing: -0.05em;
  line-height: 0.8;
  color: #fff;
  text-transform: lowercase;
  user-select: none;
}

.card-back-dot {
  display: inline-block;
  width: 0.4em;
  height: 0.4em;
  background: #16140f;
  margin-left: 0.1em;
}

.card-back-line {
  text-align: center;
  margin-top: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: #fff;
}

/* ── Footer ───────────────────────────────────────────────── */

.footer {
  background: var(--ink);
  color: var(--paper);
  padding: 2rem var(--gutter) 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  align-items: baseline;
}

.footer-mark { display: flex; align-items: baseline; gap: 0.1rem; }

.footer .wordmark-com { color: var(--paper); }

.footer-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--paper) 55%, transparent);
  margin-left: 1rem;
}

.footer-cols {
  margin-left: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--paper) 55%, transparent);
  text-align: right;
}

/* ── Drafting HUD ─────────────────────────────────────────── */

.hud {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 25;
  display: flex;
  align-items: center;
  gap: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(6px);
  border: 1px solid var(--hair);
  padding: 0.45rem 0.75rem;
}

.hud-coords { font-variant-numeric: tabular-nums; min-width: 11ch; }

.hud-section { color: var(--orange-deep); }

.hud-progress {
  width: 64px;
  height: 5px;
  border: 1px solid var(--hair);
  overflow: hidden;
  display: inline-block;
}

.hud-progress i {
  display: block;
  height: 100%;
  background: var(--orange);
  transform-origin: left center;
  transform: scaleX(var(--scroll-p, 0));
}

/* Native scroll-driven animation where supported; JS var fallback elsewhere */
@supports (animation-timeline: scroll()) {
  .hud-progress i {
    transform: none;
    animation: grow-x linear both;
    animation-timeline: scroll(root);
  }
  @keyframes grow-x {
    from { transform: scaleX(0); }
    to   { transform: scaleX(1); }
  }
}

.hud-grid {
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  background: none;
  border: 1px solid var(--hair);
  color: var(--ink-soft);
  padding: 0.2rem 0.5rem;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.hud-grid:hover { border-color: var(--ink); color: var(--ink); }

.hud-grid[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

@media (hover: none), (pointer: coarse) {
  .hud { display: none; }
  .preview { display: none !important; }
}

/* ── Reveal on scroll ─────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  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-view { opacity: 1; transform: none; }

.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-registry { max-width: 30rem; }
  .ledger { grid-template-columns: repeat(2, 1fr); }
  .ledger-item:nth-child(2) { border-right: none; }
  .ledger-item:nth-child(-n + 2) { border-bottom: 1px solid var(--ink); }
  .provenance-grid { grid-template-columns: 1fr; }
  .provenance-detail { border-left: none; padding-left: 0; }
  .engagement-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav { display: none; }
  .theme-btn { margin-left: auto; }
  .registry-head { display: none; }
  .registry-row {
    grid-template-columns: 3rem minmax(0, 1fr) auto;
    grid-template-areas:
      "no name status"
      "no sector status"
      "no stack status";
    gap: 0.2rem 1rem;
  }
  .registry-row [role="cell"]:nth-child(1) { grid-area: no; }
  .registry-row [role="cell"]:nth-child(2) { grid-area: name; }
  .registry-row [role="cell"]:nth-child(3) { grid-area: sector; color: var(--ink-soft); }
  .registry-row [role="cell"]:nth-child(4) { grid-area: stack; color: var(--ink-soft); }
  .registry-row [role="cell"]:nth-child(5) { grid-area: status; align-self: start; }
  .registry-row[data-preview]:hover [role="cell"]:nth-child(3),
  .registry-row[data-preview]:hover [role="cell"]:nth-child(4) { color: var(--hair); }
  .footer-cols { margin-left: 0; align-items: flex-start; text-align: left; }
}

@media (max-width: 560px) {
  .masthead { gap: 1rem; }
  .wordmark-sub { display: none; }
  .service { grid-template-columns: 3rem 1fr; }
  .service-tags { grid-column: 2; text-align: left; padding-top: 0; }
  .ledger { grid-template-columns: 1fr; }
  .ledger-item { border-right: none; border-bottom: 1px solid var(--ink); }
  .ledger-item:last-child { border-bottom: none; }
  .section-head { grid-template-columns: 1fr; grid-template-areas: "index" "title" "note"; }
  .section-note { text-align: left; padding-bottom: 0; }
  .crop { display: none; }
}

/* ── Reduced motion ───────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track { animation: none; }
  .dot { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .model:hover { transform: none; }
  .hero h1 .ltr { transition: none; }
  .hero h1.split .ltr { opacity: 1; animation: none; }
  .preview { transition: none; }
  .section-head::after { transform: scaleX(1); transition: none; }
  .hero-registry dl > div { opacity: 1; transform: none; transition: none; }
  .registry.reveal .registry-row { opacity: 1; transform: none; }
  ::view-transition-new(root) { animation: none; clip-path: none; }
  .theme-ico { transition: none; }
}