/* ════════════════════════════════════════════════════════════════
   STYLES.CSS — layout, components, diagonal motion identity, and the
   full atelier aesthetic. Consumes tokens from themes.css only —
   no hardcoded colors here. The one angle: var(--tilt).
   ════════════════════════════════════════════════════════════════ */

/* ─── BASE ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--f-body);
  font-size: 1.06rem;
  line-height: 1.65;
  overflow-x: hidden;
}
body.is-loading { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--c-ink); outline-offset: 3px; }
section { scroll-margin-top: 4.5rem; }

/* token crossfade on theme switch (400ms), applied via .theme-anim */
.theme-anim body, .theme-anim .board-card, .theme-anim .site-nav,
.theme-anim .masthead__name, .theme-anim .palette, .theme-anim .postcard,
.theme-anim .section, .theme-anim .daub, .theme-anim .timeline__row {
  transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

/* ─── PAPER WORLD: grain + wash overlays ───────────────────────── */
body::before { /* theme wash (blush radial / stone linear) */
  content: ''; position: fixed; inset: 0; z-index: -2;
  background: var(--wash);
  pointer-events: none;
}
body::after { /* SVG-noise grain, tinted per theme */
  content: ''; position: fixed; inset: 0; z-index: 99;
  pointer-events: none;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.9 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}
main { position: relative; }
main::before { /* grain tint layer */
  content: ''; position: fixed; inset: 0; z-index: -1;
  background: var(--grain-tint); pointer-events: none;
}

.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--sp-4); }

/* ─── TYPE CAST ─────────────────────────────────────────────────── */
.kicker {
  font-family: var(--f-type);
  font-size: 0.68rem; letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--c-accent-3);
  margin-bottom: var(--sp-2);
}
.section-heading {
  font-family: var(--f-display);
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  font-weight: 600; line-height: 1.06; letter-spacing: 0.01em;
  margin-bottom: var(--sp-3);
}
.standfirst { font-size: 1.22rem; line-height: 1.55; font-style: italic; margin-bottom: var(--sp-3); }
.body-copy { color: var(--c-ink-soft); max-width: 54ch; }
.type-note {
  font-family: var(--f-type);
  font-size: 0.74rem; letter-spacing: 0.06em;
  color: var(--c-ink-soft);
}
.section-sub { margin-bottom: var(--sp-4); }

/* ─── PRELOADER — diagonal panels + signature draw ─────────────── */
.preloader {
  position: fixed; inset: 0; z-index: 1000;
  display: grid; place-items: center;
}
.preloader__panels {
  position: absolute; inset: -30%;
  display: flex;
  transform: rotate(calc(var(--tilt) * -1));
}
.preloader__panels span {
  flex: 1; height: 100%;
  background: var(--c-paper-deep);
  border-right: 1px solid var(--c-rule);
  transform: translateY(0);
}
.preloader__panels span:nth-child(odd) { background: var(--c-paper); }
.preloader__sig {
  position: relative; width: min(220px, 52vw);
  stroke: var(--c-ink); stroke-width: 2.4;
  stroke-linecap: round; stroke-linejoin: round;
}
.sig-stroke { stroke-dasharray: 720; stroke-dashoffset: 720; }
.preloader--play .sig-stroke { animation: sig-draw 1.2s ease-in-out forwards; }
@keyframes sig-draw { to { stroke-dashoffset: 0; } }
.preloader__label {
  position: absolute; bottom: 14vh;
  font-family: var(--f-type); font-size: 0.68rem;
  letter-spacing: 0.4em; text-transform: uppercase;
  color: var(--c-ink-soft);
}
/* exit: panels slide away ALONG the diagonal, 90ms stagger */
.preloader--exit .preloader__panels span {
  transition: transform 0.55s cubic-bezier(0.6, 0, 0.3, 1);
  transform: translateY(165%);
}
.preloader--exit .preloader__panels span:nth-child(2) { transition-delay: 0.09s; }
.preloader--exit .preloader__panels span:nth-child(3) { transition-delay: 0.18s; }
.preloader--exit .preloader__panels span:nth-child(4) { transition-delay: 0.27s; }
.preloader--exit .preloader__panels span:nth-child(5) { transition-delay: 0.36s; }
.preloader--exit .preloader__panels span:nth-child(6) { transition-delay: 0.45s; }
.preloader--exit .preloader__sig, .preloader--exit .preloader__label { opacity: 0; transition: opacity 0.3s; }
.preloader--fade { opacity: 0; transition: opacity 0.3s; } /* reduced-motion path */

/* ─── DIAGONAL ENTRANCE SYSTEM — the site's motion identity ─────── */
.js [data-entrance] {
  opacity: 0;
  transition: opacity 0.65s ease, transform 0.65s cubic-bezier(0.22, 0.8, 0.32, 1);
  transition-delay: var(--d, 0s);
}
/* :not(.in)/.in outrank component transforms (e.g. .board-card rotation)
   so EVERYTHING enters along the diagonal — never straight up.
   Gated on html.js so content stays visible if JS never runs. */
.js [data-entrance]:not(.in) { transform: translate(-24px, -24px) rotate(var(--r, 0deg)); }
.js [data-entrance].in { opacity: 1; transform: translate(0, 0) rotate(var(--r, 0deg)); }

/* ─── NAV ───────────────────────────────────────────────────────── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; gap: var(--sp-4);
  padding: 0.8rem var(--sp-4);
  border-bottom: 1px solid transparent;
  transition: background-color 0.35s ease, border-color 0.35s ease;
}
.site-nav.is-solid {
  background: var(--c-paper);
  border-bottom-color: var(--c-rule);
}
.site-nav__brand {
  font-family: var(--f-display); font-weight: 700;
  font-size: 1.05rem; letter-spacing: 0.14em;
  text-decoration: none; margin-right: auto;
}
.site-nav__links { display: flex; gap: var(--sp-3); list-style: none; }
.site-nav__links a {
  font-family: var(--f-type); font-size: 0.66rem;
  letter-spacing: 0.22em; text-transform: uppercase;
  text-decoration: none; color: var(--c-ink-soft);
  padding-bottom: 2px; border-bottom: 1px solid transparent;
}
.site-nav__links a:hover, .site-nav__links a.is-active {
  color: var(--c-ink); border-bottom-color: var(--c-accent-2);
}

/* theme toggle: two fabric-swatch seals */
.theme-toggle {
  display: flex; gap: 4px; padding: 3px;
  border: 1px solid var(--c-rule); border-radius: 999px;
}
.theme-toggle__seal {
  font-family: var(--f-type); font-size: 0.6rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0.28rem 0.7rem; border-radius: 999px;
  color: var(--c-ink-soft);
  transition: background-color 0.4s, color 0.4s, box-shadow 0.4s;
}
.theme-toggle__seal.is-active {
  background: var(--c-seal); color: var(--c-paper);
  box-shadow: inset 0 0 0 1px var(--c-paper), 0 1px 3px rgba(0, 0, 0, 0.25); /* wax-seal press */
}

/* ─── SECTION RHYTHM — every boundary cut on the same diagonal ──── */
.section {
  position: relative;
  padding: calc(var(--sp-6) + var(--cut)) 0 var(--sp-6);
  clip-path: polygon(0 0, 100% var(--cut), 100% 100%, 0 100%);
  margin-top: calc(-1 * var(--cut));
  background: var(--c-paper);
}
.section:nth-of-type(even) { background: var(--c-paper-deep); }

/* ─── MASTHEAD ──────────────────────────────────────────────────── */
.masthead {
  min-height: 100svh;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  padding: calc(var(--sp-6) + 3rem) var(--sp-3) calc(var(--sp-6) + var(--cut));
  position: relative;
}
/* theme-swapped accent study pinned faintly off the top-left corner:
   watercolor blooms (Muse) / column capital study (Maison) */
.masthead::before {
  content: ''; position: absolute;
  top: 2rem; left: -3.5rem;
  width: min(300px, 30vw); aspect-ratio: 4 / 5;
  background: var(--accent-art) center / cover no-repeat;
  opacity: var(--accent-art-opacity, 0.35);
  transform: rotate(calc(var(--tilt) * -0.4));
  -webkit-mask-image: radial-gradient(ellipse 75% 70% at 50% 50%, black 55%, transparent 95%);
  mask-image: radial-gradient(ellipse 75% 70% at 50% 50%, black 55%, transparent 95%);
  pointer-events: none;
}
@media (max-width: 768px) { .masthead::before { display: none; } }
.eyebrow {
  font-family: var(--f-type); font-size: 0.7rem;
  letter-spacing: 0.42em; text-transform: uppercase;
  color: var(--c-ink-soft); margin-bottom: var(--sp-3);
}
.masthead__name {
  font-family: var(--f-display);
  font-size: clamp(3rem, 9vw, 8rem);
  font-weight: 700; letter-spacing: 0.12em; line-height: 0.95;
  background: var(--masthead-bg); color: var(--masthead-ink);
  padding: 0.12em 0.32em;
  /* soft hand-cut paper shape — irregular corners, gentle ambient shadow
     (invisible in Muse where the panel is transparent) */
  border-radius: 1.6rem 0.6rem 1.9rem 0.7rem / 1rem 1.7rem 0.8rem 1.5rem;
  box-shadow: var(--masthead-shadow, none);
}
.masthead__signature {
  font-family: var(--f-script); font-weight: var(--sig-weight);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--c-script);
  transform: rotate(calc(var(--tilt) * -0.25));
  margin-top: var(--sp-2);
}
.masthead__standfirst {
  font-style: italic; color: var(--c-ink-soft);
  max-width: 42ch; margin-top: var(--sp-3);
}
.board-card--hero { width: min(340px, 74vw); margin-top: var(--sp-5); }

/* hero annotation, pinned beside the sketch */
.annotation { display: grid; gap: 0.4rem; justify-items: start; }
.annotation--hero {
  position: absolute; bottom: 16%; right: max(4vw, calc(50% - 480px));
  text-align: left;
}
.annotation__arrow {
  width: 92px; stroke: var(--c-accent-3); stroke-width: 1.6;
  stroke-linecap: round; fill: none;
  opacity: 0.85;
}
.annotation__arrow--flip { transform: scaleX(1); }

/* ─── BOARD CARDS — pinned paper ────────────────────────────────── */
.board-card {
  position: relative;
  background: var(--c-card);
  padding: 0.85rem 0.85rem 1.1rem;
  box-shadow: var(--card-shadow);
  transform: rotate(var(--r, 0deg));
  border: 1px solid var(--c-rule);
  text-align: left;
}
.board-card img { width: 100%; }
.board-card figcaption, .board-card__caption { margin-top: 0.65rem; display: block; }

/* torn top edge on featured cards */
.torn-top {
  clip-path: polygon(0 14px, 3% 4px, 8% 12px, 14% 3px, 21% 10px, 28% 2px, 36% 11px,
    44% 4px, 52% 12px, 60% 3px, 68% 10px, 76% 2px, 84% 11px, 92% 4px, 100% 12px,
    100% 100%, 0 100%);
  padding-top: 1.4rem;
}

/* tape corners */
.tape {
  position: absolute; width: 74px; height: 24px;
  background: var(--c-tape);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
  z-index: 2;
}
.tape--tl { top: -10px; left: -18px; transform: rotate(calc(var(--tilt) * -1)); }
.tape--tr { top: -10px; right: -18px; transform: rotate(var(--tilt)); }
.tape--br { bottom: -8px; right: -16px; transform: rotate(calc(var(--tilt) * -1)); }

/* ─── DESIGNER / ABOUT ──────────────────────────────────────────── */
.designer__grid {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--sp-5); align-items: center;
}
.board-card--portrait { --r: -1.4deg; max-width: 380px; justify-self: center; }
.arch-mask { clip-path: ellipse(120% 100% at 50% 100%); } /* classical arch */
[data-theme="maison"] .arch-mask { clip-path: none; } /* Maison keeps it square-cut */
.annotation--designer { grid-auto-flow: column; align-items: start; gap: var(--sp-2); margin-top: var(--sp-3); }

/* ─── COLLECTIONS COLLAGE ───────────────────────────────────────── */
.collage {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4) var(--sp-3);
}
.board-card--project {
  transition: transform 0.35s cubic-bezier(0.22, 0.8, 0.32, 1), box-shadow 0.35s ease;
}
.board-card--project:hover, .board-card--project:focus-visible {
  transform: rotate(0deg) translate(-4px, -4px); /* lifts along the diagonal, settles to 0° */
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.18), 0 26px 48px rgba(0, 0, 0, 0.2);
  z-index: 3;
}
.board-card__title {
  display: block; margin-top: 0.8rem;
  font-family: var(--f-display); font-weight: 600;
  font-variant: small-caps; letter-spacing: 0.12em;
  font-size: 1.15rem;
}
.board-card__year { position: absolute; top: 1.6rem; right: 1rem; }
.board-card__caption { opacity: 0; transition: opacity 0.3s ease 0.05s; }
.board-card--project:hover .board-card__caption,
.board-card--project:focus-visible .board-card__caption { opacity: 1; }

/* ─── ATELIER NOTES — heritage timeline framed by column flutes ─── */
.notes__frame {
  position: relative;
  padding-inline: var(--sp-5);
}
.notes__frame::before, .notes__frame::after { /* column-flute vertical rules */
  content: ''; position: absolute; top: 0; bottom: 0; width: 14px;
  opacity: var(--flute-opacity);
  background: repeating-linear-gradient(90deg,
    var(--c-ink) 0 1px, transparent 1px 6px);
}
.notes__frame::before { left: 0; }
.notes__frame::after { right: 0; }
.timeline { list-style: none; margin-top: var(--sp-4); }
.timeline__row {
  display: grid; grid-template-columns: 20px 1fr auto;
  align-items: center; gap: var(--sp-3);
  padding: 0.9rem 0;
  border-bottom: var(--rule-weight) var(--rule-style) var(--c-rule);
}
.timeline__mark { width: 7px; height: 7px; background: var(--c-accent-2); transform: rotate(45deg); }
.timeline__name {
  font-family: var(--f-display); font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase; font-size: 0.86rem;
}
.timeline__year { font-family: var(--f-type); font-size: 0.78rem; color: var(--c-ink-soft); }

/* ─── PALETTE STRIP — painted daubs from live tokens ───────────── */
.palette {
  position: relative;
  background: var(--c-paper-deep);
  clip-path: polygon(0 0, 100% var(--cut), 100% 100%, 0 100%);
  margin-top: calc(-1 * var(--cut));
  padding: calc(var(--sp-5) + var(--cut)) 0 var(--sp-5);
}
.palette__inner { text-align: center; }
.palette__daubs {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: var(--sp-3); margin: var(--sp-3) 0 var(--sp-2);
}
.daub {
  position: relative; width: 76px; height: 62px;
  background: var(--daub);
  border-radius: 58% 42% 55% 45% / 48% 55% 45% 52%; /* painted blob */
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08), 0 3px 8px rgba(0, 0, 0, 0.12);
  transform: rotate(calc(var(--tilt) * -0.3));
}
.daub--1 { border-radius: 45% 55% 40% 60% / 55% 42% 58% 45%; transform: rotate(calc(var(--tilt) * 0.25)); }
.daub--2 { border-radius: 52% 48% 60% 40% / 42% 58% 42% 58%; }
.daub i { position: absolute; left: 50%; bottom: -1.35rem; transform: translateX(-50%); font-style: normal; white-space: nowrap; }
.palette__theme-label { margin-top: var(--sp-4); letter-spacing: 0.3em; text-transform: uppercase; }

/* ─── CONTACT — back of a postcard ──────────────────────────────── */
.postcard {
  position: relative;
  background: var(--c-card);
  border: 1px solid var(--c-rule);
  box-shadow: var(--card-shadow);
  max-width: 720px;
  padding: var(--sp-5) var(--sp-5) var(--sp-6);
  --r: calc(var(--tilt) * -0.06); /* rotation applied by the entrance system */
}
.stamp {
  position: absolute; top: var(--sp-3); right: var(--sp-3);
  width: 74px; height: 88px;
  background: var(--c-accent);
  display: grid; place-items: center;
  color: var(--c-paper);
  font-family: var(--f-display); font-size: 1.3rem; letter-spacing: 0.1em;
  /* perforated edge */
  mask: radial-gradient(circle 4px at 4px 4px, transparent 98%, black) -4px -4px / 12px 12px;
  box-shadow: inset 0 0 0 5px var(--c-paper), inset 0 0 0 6px var(--c-rule);
}
.postmark {
  position: absolute; top: calc(var(--sp-3) + 18px); right: calc(var(--sp-3) + 58px);
  width: 82px; height: 82px; border-radius: 50%;
  border: 1px dashed var(--c-ink-soft);
  display: grid; place-items: center; text-align: center;
  transform: rotate(calc(var(--tilt) * -1));
  opacity: 0.65; font-size: 0.58rem;
}
.contact__heading {
  font-family: var(--f-script); font-weight: var(--sig-weight);
  font-size: clamp(2.6rem, 6vw, 4rem);
  color: var(--c-accent-3);
  margin-bottom: var(--sp-2);
}
.contact__line { margin-bottom: var(--sp-3); }
.contact__links { list-style: none; display: grid; gap: 0.7rem; }
.contact__links li { display: flex; gap: var(--sp-3); align-items: baseline; }
.contact__links .type-note { min-width: 6.5rem; text-transform: uppercase; letter-spacing: 0.2em; }
.contact__links a { color: var(--c-ink); text-decoration-color: var(--c-accent-2); text-underline-offset: 3px; }
.address-lines { display: grid; gap: 1.1rem; margin-top: var(--sp-4); max-width: 300px; }
.address-lines span { height: 1px; background: var(--c-rule); }

/* ─── FOOTER ────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--c-rule);
  padding: var(--sp-4);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-2);
  font-size: 0.9rem;
}

/* ─── LIGHTBOX — mood-board page ───────────────────────────────── */
.lightbox[hidden] { display: none; }
.lightbox {
  position: fixed; inset: 0; z-index: 500;
  background: color-mix(in srgb, var(--c-ink) 55%, transparent);
  display: grid; place-items: center;
  padding: var(--sp-3);
  overflow: auto;
}
.lightbox__page {
  --r: calc(var(--tilt) * -0.05);
  max-width: 880px; width: 100%;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--sp-4);
  padding: var(--sp-4);
  /* real scanned-paper surface under the mood-board page */
  background-image: url('../assets/texture-paper.jpg');
  background-size: cover;
  background-blend-mode: multiply;
}
.lightbox__media img { width: 100%; border: 1px solid var(--c-rule); }
.lightbox__title {
  font-family: var(--f-display); font-variant: small-caps;
  font-size: 2rem; letter-spacing: 0.08em; margin: 0.2rem 0 0.4rem;
}
.lightbox__meta .body-copy { margin: var(--sp-2) 0 var(--sp-3); }
.lightbox__palette { display: flex; gap: 0.6rem; margin-bottom: var(--sp-4); }
.lightbox__swatch {
  position: relative; width: 46px; height: 58px;
  border: 1px solid var(--c-rule);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
}
.lightbox__swatch i { position: absolute; left: 0; right: 0; bottom: -1.2rem; font-style: normal; font-size: 0.56rem; text-align: center; }
.lightbox__close { position: absolute; top: 0.7rem; right: 0.9rem; font-size: 1.1rem; padding: 0.3rem; }
.lightbox__nav { display: flex; gap: var(--sp-3); margin-top: var(--sp-2); }
.lightbox__arrow { font-family: var(--f-type); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; border-bottom: 1px solid var(--c-rule); padding-bottom: 2px; }
.lightbox__arrow:hover { border-bottom-color: var(--c-accent-2); }

/* lightbox diagonal wipe (small-scale preloader) */
.lightbox__wipe { position: absolute; inset: -20%; display: flex; transform: rotate(calc(var(--tilt) * -1)); pointer-events: none; }
.lightbox__wipe span { flex: 1; background: var(--c-paper-deep); transform: translateY(165%); }
.lightbox.is-wiping .lightbox__wipe span { animation: wipe-out 0.55s cubic-bezier(0.6, 0, 0.3, 1) both; }
.lightbox.is-wiping .lightbox__wipe span:nth-child(2) { animation-delay: 0.07s; }
.lightbox.is-wiping .lightbox__wipe span:nth-child(3) { animation-delay: 0.14s; }
.lightbox.is-wiping .lightbox__wipe span:nth-child(4) { animation-delay: 0.21s; }
@keyframes wipe-out { from { transform: translateY(0); } to { transform: translateY(165%); } }

/* ─── RESPONSIVE ────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .collage { grid-template-columns: repeat(2, 1fr); }
  .annotation--hero { position: static; margin-top: var(--sp-3); }
}
@media (max-width: 768px) {
  .designer__grid { grid-template-columns: 1fr; gap: var(--sp-4); }
  .site-nav { gap: var(--sp-2); padding: 0.7rem var(--sp-2); flex-wrap: wrap; }
  .site-nav__links { gap: var(--sp-2); order: 3; width: 100%; justify-content: center; }
  .site-nav { background: var(--c-paper); border-bottom-color: var(--c-rule); } /* readable when wrapped */
  .lightbox__page { grid-template-columns: 1fr; max-height: 92svh; overflow: auto; }
}
@media (max-width: 540px) {
  .collage { grid-template-columns: 1fr; }
  .container { padding-inline: var(--sp-3); }
  .notes__frame { padding-inline: var(--sp-3); }
  .postmark { display: none; }
  .timeline__name { letter-spacing: 0.12em; }
}

/* ─── REDUCED MOTION — everything renders instantly ─────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-entrance] { opacity: 1; transform: rotate(var(--r, 0deg)); transition: none; }
  .board-card--project, .board-card__caption, .site-nav, .theme-toggle__seal { transition: none; }
  .board-card--project:hover { transform: rotate(var(--r, 0deg)); }
  .board-card__caption { opacity: 1; }
  .lightbox.is-wiping .lightbox__wipe span { animation: none; }
  .theme-anim * { transition: none !important; }
}