/* Hallmark · genre: editorial · macrostructure: Map / Diagram · theme: studied-DNA (pasqua.it) · nav: N9 · footer: Ft6
 * tone: luxury, quiet · anchor hue: 75 (limestone) · accent: cinnabar < 3 % of any view
 * Hallmark · pre-emit critique: P4 H4 E4 S5 R4 V5
 */

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  overflow-x: clip;
  background: var(--color-scrim);
  color: var(--color-bone);
  scroll-snap-type: y mandatory;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  overflow-x: clip;
  font-family: var(--font-body);
  font-variation-settings: "wdth" var(--wdth-body);
  font-size: var(--text-base);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: fixed; left: var(--page-gutter); top: var(--space-md); z-index: var(--z-dialog);
  padding: var(--space-xs) var(--space-md); background: var(--color-paper); color: var(--color-ink);
  border-radius: var(--radius-pill); transform: translateY(-200%);
}
.skip:focus-visible { transform: none; }

/* ---------- stage ---------- */
#scene {
  position: fixed; inset: 0; width: 100%; height: 100%; display: block;
  z-index: var(--z-canvas); opacity: 0;
  transition: opacity var(--dur-long) var(--ease-out);
}
.gl-ready #scene { opacity: 1; }
.scrim {
  position: fixed; inset: 0; z-index: var(--z-scrim); pointer-events: none;
  /* clear air for the copy column: a soft pool of shade behind the text, plus the left edge */
  background:
    radial-gradient(ellipse 46% 62% at 18% 40%, color-mix(in oklch, var(--color-scrim) 58%, transparent) 0%, transparent 100%),
    linear-gradient(90deg, color-mix(in oklch, var(--color-scrim) 72%, transparent) 0%, color-mix(in oklch, var(--color-scrim) 40%, transparent) 34%, transparent 64%),
    linear-gradient(0deg, color-mix(in oklch, var(--color-scrim) 55%, transparent) 0%, transparent 22%);
}
.grain {
  position: fixed; inset: 0; z-index: var(--z-scrim); pointer-events: none; opacity: 0.07;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- beats (one per room; native scroll snaps between them) ---------- */
main { position: relative; z-index: var(--z-beats); }
.beat {
  min-height: 100svh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  padding: var(--space-3xl) var(--page-gutter);
}
.js .beat { height: 100svh; padding: 0; }
.beat__inner { max-width: 40rem; }
.js .beat__inner {
  position: fixed;
  left: var(--page-gutter);
  top: clamp(5.5rem, 21vh, 12rem);
  width: min(50rem, 100% - 2 * var(--page-gutter));
  visibility: hidden;
  pointer-events: none;
  transition: visibility 0s linear var(--dur-title);
}
.js .beat[data-active] .beat__inner {
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.title {
  margin: 0 0 var(--space-lg);
  font-size: var(--text-display);
  font-weight: 400;
  line-height: 1.02;
  text-transform: uppercase;
  color: var(--color-bone);
  overflow-wrap: anywhere;
  min-width: 0;
  text-shadow: 0 0.02em 0.5em color-mix(in oklch, var(--color-scrim) 55%, transparent);
}
.title .line { display: block; overflow: hidden; padding-block: 0.06em 0.02em; }
.title .line > span { display: block; }
.title .line--sans > span {
  font-family: var(--font-display);
  font-variation-settings: "wdth" var(--wdth-display);
  font-weight: 200;
  letter-spacing: -0.012em;
}
.title .line--serif > span {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: 0.005em;
}
.lede {
  max-width: 45ch;
  margin: 0 0 var(--space-lg);
  font-size: var(--text-md);
  line-height: 1.45;
  color: var(--color-bone);
  text-shadow: 0 0 1.2em color-mix(in oklch, var(--color-scrim) 70%, transparent);
}

/* title mask: out fast with ease-in, in late with ease-out (delay set per flight) */
.js .title .line > span {
  transform: translateY(108%);
  transition: transform calc(var(--dur-title) * 0.66) var(--ease-in);
}
.js .beat[data-active] .title .line > span {
  transform: none;
  transition: transform var(--dur-title) var(--ease-out) var(--title-delay, 0.2s);
}
.js .beat[data-active] .title .line + .line > span { transition-delay: calc(var(--title-delay, 0.2s) + 90ms); }
.js .lede, .js .letter, .js .ps, .js .beat__actions {
  opacity: 0;
  transition: opacity var(--dur-short) var(--ease-in);
}
.js .beat[data-active] .lede,
.js .beat[data-active] .letter,
.js .beat[data-active] .ps,
.js .beat[data-active] .beat__actions {
  opacity: 1;
  transition: opacity var(--dur-long) var(--ease-out) calc(var(--title-delay, 0.2s) + 320ms);
}

.beat__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-lg); align-items: center; }
.hint { margin: 0; font-size: var(--text-sm); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-bone); white-space: nowrap; text-shadow: 0 0 0.8em var(--color-scrim); }

/* pill CTA (8 states) */
.pill {
  display: inline-flex; align-items: center; gap: var(--space-xs);
  min-height: 2.75rem; padding: 0 var(--space-lg);
  border: var(--rule-hair) solid var(--color-bone);
  border-radius: var(--radius-pill);
  background: var(--color-bone); color: var(--color-ink);
  font: 500 var(--text-sm)/1 var(--font-body);
  font-variation-settings: "wdth" 112;
  letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none;
  white-space: nowrap; cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform 100ms var(--ease-out);
}
.pill--ghost { background: color-mix(in oklch, var(--color-scrim) 55%, transparent); color: var(--color-bone); }
@media (hover: hover) and (pointer: fine) {
  .pill:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-bone); }
}
.pill:active { transform: translateY(1px); }
.pill[aria-disabled="true"], .pill:disabled { opacity: 0.55; cursor: progress; }
.pill[data-state="loading"] .pill__label::after { content: "…"; }

.status { margin: var(--space-md) 0 0; font-size: var(--text-sm); color: var(--color-bone-dim); min-height: 1.4em; }

/* ---------- chrome ---------- */
.bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-chrome);
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-sm);
  padding: var(--space-md) var(--page-gutter);
}
.bar::before {
  content: ""; position: absolute; inset: 0 0 -90% 0; z-index: -1; pointer-events: none;
  background: linear-gradient(180deg, color-mix(in oklch, var(--color-scrim) 74%, transparent), color-mix(in oklch, var(--color-scrim) 38%, transparent) 55%, transparent);
}
.wordmark {
  font-family: var(--font-serif); font-size: var(--text-md); letter-spacing: 0.06em;
  text-transform: uppercase; text-decoration: none; color: var(--color-bone); white-space: nowrap;
}
.bar__cta {
  padding: var(--space-2xs) var(--space-sm); border-radius: var(--radius-pill);
  background: color-mix(in oklch, var(--color-scrim) 45%, transparent);
  transition: background-color var(--dur-long) var(--ease-out);
  font-size: var(--text-sm); letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap;
  text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.35em;
  color: var(--color-bone);
}
@media (hover: hover) and (pointer: fine) {
  .bar__cta:hover { text-decoration-color: var(--color-accent); text-decoration-thickness: 2px; }
}

/* floor plan + sun, bottom left */
.wayfinder {
  position: fixed; right: var(--page-gutter); bottom: calc(var(--space-lg) + env(safe-area-inset-bottom, 0px));
  z-index: var(--z-chrome); width: 8.5rem;
  display: grid; gap: var(--space-sm);
}
.plan { margin: 0; }
.plan svg { display: block; width: 100%; height: auto; overflow: visible; }
.plan__room rect, .plan__room path { fill: color-mix(in oklch, var(--color-scrim) 55%, transparent); stroke: var(--color-bone-dim); stroke-width: 0.35; }
.plan__room[aria-current="location"] rect, .plan__room[aria-current="location"] path { fill: color-mix(in oklch, var(--color-accent) 45%, var(--color-scrim)); stroke: var(--color-bone); }
.plan__room text { fill: var(--color-bone); font: 500 2.2px var(--font-body); letter-spacing: 0.08em; text-transform: uppercase; pointer-events: none; }
.plan__room:focus-visible { outline: none; }
.plan__room:focus-visible rect, .plan__room:focus-visible path { stroke: var(--color-focus); stroke-width: 0.8; }
.plan__door { stroke: var(--color-scrim); stroke-width: 0.6; }
.plan__marker circle { fill: var(--color-accent); stroke: var(--color-bone); stroke-width: 0.35; }
.plan__marker path { fill: color-mix(in oklch, var(--color-bone) 35%, transparent); }
@media (hover: hover) and (pointer: fine) {
  .plan__room:hover rect, .plan__room:hover path { stroke: var(--color-bone); }
}

.sun {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: var(--space-xs);
  padding: 0 var(--space-sm); border-radius: var(--radius-pill);
  background: color-mix(in oklch, var(--color-scrim) 62%, transparent);
  font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-bone);
}
[data-tone="paper"] .sun { background: color-mix(in oklch, var(--color-paper) 75%, transparent); }
.sun output { font-variant-numeric: tabular-nums; letter-spacing: 0.04em; }
.sun input[type="range"] { width: 100%; margin: 0; accent-color: var(--color-accent); background: transparent; height: 1.5rem; cursor: grab; }

/* next / previous room, bottom right */
.steps {
  position: fixed; left: var(--page-gutter); bottom: calc(var(--space-lg) + env(safe-area-inset-bottom, 0px));
  z-index: var(--z-chrome); display: flex; gap: var(--space-xs); align-items: center;
}
.step {
  display: inline-flex; align-items: center; gap: var(--space-xs);
  min-height: 2.75rem; min-width: 2.75rem; padding: 0 var(--space-md);
  border: var(--rule-hair) solid var(--color-bone-dim); border-radius: var(--radius-pill);
  background: color-mix(in oklch, var(--color-scrim) 45%, transparent); color: var(--color-bone);
  font: 500 var(--text-sm)/1 var(--font-body); letter-spacing: 0.06em; text-transform: uppercase; white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), transform 100ms var(--ease-out);
}
.step svg { width: 0.9rem; height: 0.9rem; stroke: currentColor; fill: none; stroke-width: 1.5; }
.step--prev { padding: 0; justify-content: center; }
@media (hover: hover) and (pointer: fine) {
  .step:hover { background: var(--color-bone); color: var(--color-ink); }
}
.step:active { transform: translateY(1px); }
.step:disabled { opacity: 0.4; cursor: default; }

/* ---------- reading sheet ---------- */
.sheet {
  width: min(30rem, 100%); max-width: 100%; height: 100%; max-height: 100%;
  margin: 0 0 0 auto; padding: var(--space-2xl) var(--space-xl);
  border: 0; background: var(--color-paper); color: var(--color-ink);
  overflow-y: auto;
}
.sheet::backdrop { background: color-mix(in oklch, var(--color-scrim) 55%, transparent); }
.sheet h2 { margin: 0 0 var(--space-lg); font: 400 2.25rem/1.05 var(--font-serif); text-transform: uppercase; }
.sheet p { max-width: 60ch; margin: 0 0 var(--space-md); color: var(--color-ink); }
.sheet .note { font-size: var(--text-sm); color: var(--color-muted); }
.sheet__close {
  position: sticky; top: 0; float: right; margin: calc(var(--space-lg) * -1) calc(var(--space-md) * -1) 0 0;
  min-height: 2.75rem; padding: 0 var(--space-md); border: var(--rule-hair) solid var(--color-ink); border-radius: var(--radius-pill);
  background: var(--color-paper); color: var(--color-ink); font: 500 var(--text-sm)/1 var(--font-body);
  letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer;
}
@media (hover: hover) and (pointer: fine) { .sheet__close:hover { background: var(--color-ink); color: var(--color-paper); } }
.sheet[open] { animation: sheet-in var(--dur-long) var(--ease-out); }
@keyframes sheet-in { from { transform: translateX(6%); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- letter close (contact) ---------- */
.letter { max-width: 45ch; margin: 0 0 var(--space-lg); font-size: var(--text-md); line-height: 1.45; }
.letter a { text-decoration-thickness: 1px; text-underline-offset: 0.3em; }
.letter__sign { display: block; margin-top: var(--space-xs); font-family: var(--font-serif); letter-spacing: 0.04em; text-transform: uppercase; }
.ps { margin: 0; font-size: var(--text-sm); color: var(--color-bone-dim); max-width: 52ch; }

/* pressed states for the remaining links and buttons (hallmark gate 26) */
.wordmark:active, .bar__cta:active, .sheet__close:active { transform: translateY(1px); }
.plan__room:active rect, .plan__room:active path { fill: color-mix(in oklch, var(--color-accent) 60%, var(--color-scrim)); }

/* ---------- paper beats: the loader and the close sit on the vellum sheet, so text is ink ---------- */
.scrim, .bar::before { transition: opacity var(--dur-long) var(--ease-out); }
[data-tone="paper"] .scrim, [data-tone="paper"] .bar::before { opacity: 0; }
#loader .title, #loader .lede, #loader .status, #contact .title, #contact .letter, #contact .ps { color: var(--color-ink); text-shadow: none; }
#loader .pill--ghost, #contact .pill--ghost { color: var(--color-ink); border-color: var(--color-ink); }
#loader .pill, #contact .pill { background: var(--color-ink); border-color: var(--color-ink); color: var(--color-paper); }
#contact .pill--ghost { background: transparent; color: var(--color-ink); }
[data-tone="paper"] .wordmark, [data-tone="paper"] .bar__cta, [data-tone="paper"] .sun { color: var(--color-ink); }
[data-tone="paper"] .bar__cta { background: transparent; }
[data-tone="paper"] .plan__room rect, [data-tone="paper"] .plan__room path { fill: color-mix(in oklch, var(--color-paper) 70%, transparent); stroke: var(--color-ink); }
[data-tone="paper"] .plan__room text { fill: var(--color-ink); }
[data-tone="paper"] .plan__door { stroke: var(--color-paper); }
[data-tone="paper"] .plan__marker path { fill: color-mix(in oklch, var(--color-ink) 30%, transparent); }
[data-tone="paper"] .step { color: var(--color-ink); border-color: var(--color-ink); background: color-mix(in oklch, var(--color-paper) 70%, transparent); }
.wordmark, .bar__cta, .sun, .step { transition: color var(--dur-long) var(--ease-out), background-color var(--dur-short) var(--ease-out), border-color var(--dur-long) var(--ease-out); }
.plan__room text { font-size: 2.6px; }

/* ---------- small screens ---------- */
@media (max-width: 40rem) {
  .js .beat__inner { top: 4.75rem; }
  .scrim { background: linear-gradient(180deg, color-mix(in oklch, var(--color-scrim) 78%, transparent) 0%, color-mix(in oklch, var(--color-scrim) 52%, transparent) 42%, transparent 66%), linear-gradient(0deg, color-mix(in oklch, var(--color-scrim) 55%, transparent) 0%, transparent 22%); }
  .lede { font-size: var(--text-base); }
  .wayfinder { width: 9.5rem; justify-items: end; }
  .plan { width: 6rem; }
  .plan__room text { display: none; }
  .sun > span { display: none; }
  .sun { width: 100%; grid-template-columns: 1fr auto; }
  [data-tone="paper"] .scrim { opacity: 1; background: linear-gradient(180deg, color-mix(in oklch, var(--color-paper) 88%, transparent) 0%, color-mix(in oklch, var(--color-paper) 70%, transparent) 46%, transparent 64%); }
  .step__label { display: none; }
  .step--next { padding: 0; justify-content: center; }
  .sheet { margin: auto 0 0; height: auto; max-height: 85svh; width: 100%; }
}
@media (max-width: 22rem) {
  .bar__cta { letter-spacing: 0.04em; }
  /* "Noonmark" is two letters longer than the old name: at 320 px the bar needed 292 px of 288 */
  .wordmark { font-size: 1.125rem; letter-spacing: 0.03em; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 150ms !important; animation-iteration-count: 1 !important; transition-duration: 150ms !important; transition-delay: 0s !important; }
  .js .title .line > span { transform: none; opacity: 0; transition: opacity 150ms linear; }
  .js .beat[data-active] .title .line > span { opacity: 1; }
}

/* ---------- no WebGL: each beat shows a still of its own viewpoint (main.js mounts them) ---------- */
/* The page keeps its live dress (bone over the rooms, ink over the paper beats, the same scrim),
 * because the posters are renders of those same frames. Until a poster arrives, the ground
 * matches the beat's tone. No sun to move and no live camera, so the slider and marker go. */
.posters { position: fixed; inset: 0; z-index: var(--z-canvas); pointer-events: none; }
.posters > picture { position: absolute; inset: 0; opacity: 0; transition: opacity var(--dur-long) var(--ease-out); }
.posters > picture[data-active] { opacity: 1; }
.posters img { display: block; width: 100%; height: 100%; object-fit: cover; }
.no-gl #scene, .no-gl .sun, .no-gl .plan__marker { display: none; }
.no-gl[data-tone="paper"] { background: var(--color-paper); }