/* =============================================================================
   page.css : Swiss industrial foundry plate
   Visible 12-col grid as voice. Acid as committed field. No wrap-everything.
   ============================================================================= */

/* --- sheet + visible grid ------------------------------------------------- */
.sheet {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
}

.grid-skin {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 100% 3rem, calc(100% / 12) 100%;
}

.sheet > * { position: relative; z-index: 1; }

.band {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

/* violet atmosphere only: night-side bloom, never UI */
.bloom {
  position: absolute;
  z-index: 0;
  width: 28rem;
  height: 28rem;
  right: -8rem;
  top: 18%;
  border-radius: 50%;
  background: var(--orbit-glow);
  filter: blur(80px);
  pointer-events: none;
}

/* --- nav ------------------------------------------------------------------ */
.band-nav {
  align-items: center;
  min-height: 4.5rem;
  padding-inline: var(--inset);
  border-bottom: 1px solid var(--line);
}

.band-nav .wordmark { grid-column: 1 / 5; }

.nav-index {
  grid-column: 6 / 9;
  margin: 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.band-nav .type-kicker {
  grid-column: 9 / 13;
  text-align: right;
}

/* --- hero ----------------------------------------------------------------- */
.band-hero { min-height: calc(100vh - 4.5rem); }

.hero-acid {
  grid-column: 1 / 8;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: var(--space-3);
  padding: var(--space-6) var(--inset) var(--space-5);
  background: var(--acid);
  color: var(--on-acid);
}

.hero-acid .type-display-xl { color: var(--on-acid); }

.hero-facts {
  margin: 0;
  max-width: 36ch;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--on-acid);
}

.hero-night {
  grid-column: 8 / 13;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: var(--space-4);
  padding: var(--space-6) var(--inset) var(--space-5);
  border-left: 1px solid var(--line);
}

.note {
  max-width: 36ch;
  color: var(--note);
}

.note p { margin: 0; }

.note strong {
  color: var(--note-strong);
  font-weight: 600;
}

.note .aside {
  margin-top: 0.85rem;
  color: var(--muted);
  font-size: 1rem;
}

/* --- artifact (object, CSS-mask notches) ---------------------------------- */
.artifact-slot {
  display: grid;
  place-items: end start;
  align-self: end;
  min-height: 16rem;
}

.artifact {
  --notch-r: 12px;
  --notch-y: 72%;
  position: relative;
  width: min(100%, 17.5rem);
  padding: var(--space-3);
  color: var(--on-acid-ticket);
  background: var(--acid);
  border-radius: var(--radius-artifact);
  filter: drop-shadow(var(--ticket-shadow));
  transform: rotate(-2deg);
  transition: transform var(--duration-artifact) var(--ease-out-expo);
  -webkit-mask-image:
    radial-gradient(circle var(--notch-r) at 0 var(--notch-y), transparent 98%, oklch(0.145 0.008 122)),
    radial-gradient(circle var(--notch-r) at 100% var(--notch-y), transparent 98%, oklch(0.145 0.008 122));
  -webkit-mask-size: 51% 100%, 51% 100%;
  -webkit-mask-position: 0 0, 100% 0;
  -webkit-mask-repeat: no-repeat;
  mask-image:
    radial-gradient(circle var(--notch-r) at 0 var(--notch-y), transparent 98%, oklch(0.145 0.008 122)),
    radial-gradient(circle var(--notch-r) at 100% var(--notch-y), transparent 98%, oklch(0.145 0.008 122));
  mask-size: 51% 100%, 51% 100%;
  mask-position: 0 0, 100% 0;
  mask-repeat: no-repeat;
}

.artifact:hover { transform: rotate(0deg) translateY(-0.35rem); }

.artifact-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font: 500 0.625rem/1 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.artifact-top svg { width: 1.25rem; height: 1.25rem; }

.artifact-title {
  margin: 2.25rem 0 1.75rem;
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.artifact-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  padding-block: 1rem;
  border-block: 1px dashed var(--dash-on-acid);
}

.artifact-meta div { display: grid; gap: 0.35rem; }

.artifact-meta small {
  font: 400 0.5625rem/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.artifact-meta strong {
  font: 800 0.8125rem/1 var(--font-display);
}

/* --- turn ----------------------------------------------------------------- */
.band-turn {
  border-top: 1px solid var(--line);
  padding-block: var(--space-8);
}

.band-turn .plate {
  grid-column: 1 / 3;
  padding-left: var(--inset);
  align-self: start;
}

.turn-yes {
  grid-column: 3 / 8;
  padding-right: var(--space-4);
  padding-bottom: var(--space-3);
}

.turn-no {
  grid-column: 8 / 13;
  padding-inline: var(--space-4) var(--inset);
  border-left: 1px solid var(--line);
}

.turn-label {
  margin: 0 0 var(--space-3);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.turn-yes .type-display-lg { max-width: 16ch; }

.turn-no .type-display-lg {
  max-width: 14ch;
  color: var(--turn-secondary);
}

.turn-body {
  margin-top: var(--space-4);
  max-width: 36ch;
  color: var(--turn-body);
}

/* --- system --------------------------------------------------------------- */
.band-system {
  border-top: 1px solid var(--line);
  padding-bottom: var(--space-7);
}

.system-head {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: end;
  gap: var(--space-3);
  padding: var(--space-7) var(--inset) var(--space-5);
}

.system-head .plate { grid-column: 1 / 3; }

.system-head .type-display-lg {
  grid-column: 3 / 10;
}

.system-count {
  grid-column: 10 / 13;
  margin: 0;
  text-align: right;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.4;
}

.token-grid {
  grid-column: 1 / -1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.token-grid li {
  margin: 0;
  padding: var(--space-3) var(--space-2);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.token-grid li:nth-child(6n) { border-right: none; }

.token-grid .span-acid {
  grid-column: span 2;
  grid-row: span 2;
  display: grid;
  align-content: end;
  padding: var(--space-4);
  background: var(--acid);
  color: var(--on-acid);
  border-right: 1px solid var(--line-on-acid);
  border-bottom: 1px solid var(--line-on-acid);
}

.token-grid .span-acid code,
.token-grid .span-acid .hex { color: var(--on-acid); }

.token-grid .span-night {
  grid-column: span 2;
  background: var(--night-wash);
}

.swatch {
  height: 3.5rem;
  margin-bottom: 0.85rem;
  border: 1px solid var(--line);
  background: var(--swatch);
}

.span-acid .swatch {
  height: 7.5rem;
  border-color: var(--line-on-acid);
}

.swatch-dark {
  border-color: oklch(0.958 0.008 118 / 0.32);
  background:
    repeating-conic-gradient(oklch(0.958 0.008 118 / 0.12) 0% 25%, transparent 0% 50%)
      0 0 / 0.625rem 0.625rem,
    var(--swatch);
}

.swatch-on-acid {
  position: relative;
  background: var(--acid);
  border-color: var(--line-on-acid);
}

.swatch-on-acid::after {
  content: "";
  position: absolute;
  inset: 0.7rem 0.6rem;
  background: var(--swatch);
}

.swatch-glow {
  background:
    radial-gradient(circle at 50% 50%, var(--swatch), var(--night) 72%);
  border-color: oklch(0.612 0.231 291.89 / 0.35);
}

.swatch-elevation {
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--night-wash);
}

.swatch-elevation::after {
  content: "";
  width: 2.75rem;
  height: 1.25rem;
  border-radius: 2px;
  background: var(--acid);
  box-shadow: var(--ticket-shadow);
}

.token-grid code {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink);
}

.token-grid .hex {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.03em;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.span-acid .hex { color: oklch(0.175 0.008 119 / 0.7); }

.token-grid .swatch-note {
  display: block;
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.06em;
  color: var(--fine);
}

/* type specimen as foundry index */
.type-block {
  grid-column: 1 / -1;
  padding: var(--space-6) 0 0;
}

.type-caption {
  margin: 0 0 var(--space-3);
  padding-inline: var(--inset);
  font-size: 1rem;
  color: var(--muted);
}

.type-rows { border-top: 1px solid var(--line); }

.type-row {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: baseline;
  padding: var(--space-4) var(--inset);
  border-bottom: 1px solid var(--line);
}

.type-row:nth-child(odd) { background: oklch(0.175 0.008 122 / 0.35); }

.type-row .role {
  grid-column: 1 / 3;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.type-row .sample { grid-column: 3 / 13; }

.type-row .wordmark,
.type-row .type-display-xl,
.type-row .type-display-lg,
.type-row .type-display-price,
.type-row .type-lede,
.type-row .type-title-sm,
.type-row .type-body-lg,
.type-row .type-kicker,
.type-row .type-meta,
.type-row .type-body { margin: 0; }

.type-row .type-display-lg span {
  display: block;
  color: var(--turn-secondary);
}

.specimen-xl { font-size: clamp(2.5rem, 6vw, 4.5rem); }
.specimen-lg { font-size: clamp(2rem, 4vw, 3.25rem); }
.specimen-price { font-size: clamp(3.5rem, 8vw, 5.5rem); }

.type-row .type-body,
.type-row .type-body-lg { max-width: 52ch; color: var(--note); }

/* --- invert (full-bleed acid field) --------------------------------------- */
.band-invert {
  background: var(--acid);
  color: var(--on-acid);
  padding: var(--space-9) var(--inset);
  min-height: 72vh;
  align-items: end;
}

.band-invert .plate {
  grid-column: 1 / 3;
  color: oklch(0.175 0.008 119 / 0.22);
  align-self: start;
}

.invert-copy {
  grid-column: 3 / 8;
  display: grid;
  gap: var(--space-5);
  align-content: end;
}

.invert-copy .type-title-sm { color: var(--on-acid); }

.invert-copy > p {
  margin: 0;
  max-width: 18ch;
  font-size: clamp(2rem, 3.4vw, 3rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.invert-proof {
  grid-column: 8 / 13;
  justify-self: end;
  text-align: right;
}

.invert-proof .type-display-price { color: var(--on-acid); }

.proof-label {
  margin: 0.75rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--eyebrow-on-acid);
}

.contact-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.35rem 1rem;
  align-items: center;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-on-acid);
  font-size: 0.95rem;
  font-weight: 600;
  overflow-wrap: anywhere;
  transition: transform var(--duration-fade) var(--ease-out-expo);
}

.contact-row:hover { transform: translateX(0.4rem); }

.contact-row:focus-visible { outline-color: var(--on-acid); }

.contact-row span {
  color: var(--contact-muted);
  font: 500 0.5625rem/1 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-row small {
  color: var(--contact-muted);
  font: 500 0.5625rem/1.2 var(--font-mono);
  letter-spacing: 0.04em;
}

.contact-row svg { grid-area: 1 / 2 / 4; width: 1.35rem; }

.tiny-note {
  grid-column: 1 / -1;
  margin: var(--space-5) 0 0;
  color: var(--eyebrow-on-acid);
  font: 400 0.6875rem/1.5 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* --- footer --------------------------------------------------------------- */
.band-footer {
  align-items: center;
  min-height: 6.5rem;
  padding-inline: var(--inset);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 400 0.6875rem/1.5 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.band-footer .wordmark {
  grid-column: 1 / 5;
  text-transform: none;
  letter-spacing: -0.04em;
}

.band-footer p { margin: 0; }

.band-footer p:nth-of-type(1) {
  grid-column: 5 / 10;
  text-align: center;
}

.band-footer p:last-child {
  grid-column: 10 / 13;
  text-align: right;
}

/* --- 900 ------------------------------------------------------------------ */
@media (max-width: 900px) {
  .band-hero { min-height: auto; }

  .hero-acid,
  .hero-night {
    grid-column: 1 / -1;
  }

  .hero-night { border-left: none; border-top: 1px solid var(--line); }

  .band-turn .plate,
  .turn-yes,
  .turn-no,
  .system-head .plate,
  .system-head .type-display-lg,
  .system-count,
  .band-invert .plate,
  .invert-copy,
  .invert-proof {
    grid-column: 1 / -1;
  }

  .turn-yes,
  .turn-no,
  .band-turn .plate,
  .system-head,
  .band-invert .plate {
    padding-inline: var(--inset);
  }

  .turn-no {
    margin-top: var(--space-6);
    padding-top: var(--space-5);
    border-left: none;
    border-top: 1px solid var(--line);
  }

  .system-count { text-align: left; }

  .token-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .token-grid li:nth-child(6n) { border-right: 1px solid var(--line); }
  .token-grid li:nth-child(3n) { border-right: none; }

  .invert-proof {
    justify-self: start;
    text-align: left;
    margin-top: var(--space-6);
  }

  .type-row .role { grid-column: 1 / 4; }
  .type-row .sample { grid-column: 4 / 13; }
}

/* --- 768 ------------------------------------------------------------------ */
@media (max-width: 768px) {
  .band-nav { min-height: 3.75rem; }

  .band-nav .wordmark { grid-column: 1 / 7; }

  .nav-index { display: none; }

  .band-nav .type-kicker { grid-column: 7 / 13; }

  .hero-acid { padding-block: var(--space-5); }

  .type-display-xl { font-size: clamp(3.5rem, 18vw, 5.5rem); }

  .token-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .token-grid li:nth-child(3n) { border-right: 1px solid var(--line); }
  .token-grid li:nth-child(2n) { border-right: none; }

  .token-grid .span-acid,
  .token-grid .span-night { grid-column: span 2; }

  .type-row {
    grid-template-columns: 1fr;
    gap: 0.65rem;
    padding-block: var(--space-3);
  }

  .type-row .role,
  .type-row .sample { grid-column: 1 / -1; }

  .band-invert { min-height: auto; padding-block: var(--space-7); }

  .band-footer {
    min-height: auto;
    padding-block: var(--space-4);
    row-gap: var(--space-2);
  }

  .band-footer .wordmark,
  .band-footer p:nth-of-type(1),
  .band-footer p:last-child {
    grid-column: 1 / -1;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .artifact,
  .contact-row { transition: none; }
}


/* deep-link / capture: when #invert is targeted, the field is the viewport */
body:has(#invert:target) .grid-skin,
body:has(#invert:target) .bloom,
body:has(#invert:target) .band-nav,
body:has(#invert:target) .band-hero,
body:has(#invert:target) .band-turn,
body:has(#invert:target) .band-system,
body:has(#invert:target) .band-footer {
  display: none;
}
body:has(#invert:target) .band-invert {
  min-height: 100vh;
}