/* Atlas presentation contract. Load after styles.css.
   Cards are anchors supplied by app.js; CSS adds no navigation semantics.
   Atlas aliases consume existing tokens without redefining direction identity. */
:where(.logo-library, .logo-concept-page, .logo-study-section) {
  --atlas-ink: var(--direction-ink, var(--ink));
  --atlas-muted: var(--direction-muted, var(--muted));
  --atlas-panel: var(--direction-panel, var(--deep-2));
  --atlas-line: var(--direction-line, var(--line));
  --atlas-rule: var(--direction-line-strong, var(--line-strong));
  --atlas-accent: var(--direction-accent, var(--ink));
  --atlas-stage: #f4efe7;
  position: relative;
  color: var(--atlas-ink);
  isolation: isolate;
  scroll-margin-top: 32px;
}

.logo-library, .logo-study-section {
  padding-block: clamp(56px, 7vw, 104px);
  border-top: 1px solid var(--atlas-line);
}

.logo-library::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(ellipse at 70% 0, rgb(230 225 245 / .045), transparent 48%);
}

:is(.logo-library, .logo-concept-page, .logo-study-section) p {
  max-width: 65ch;
  color: var(--atlas-muted);
  line-height: 1.7;
}

:is(.logo-library, .logo-concept-page, .logo-study-section) :is(h1, h2, h3) {
  color: var(--atlas-ink);
  text-wrap: balance;
  overflow-wrap: anywhere;
}

:is(.logo-library, .logo-concept-page, .logo-study-section) .section-label {
  color: var(--atlas-muted);
}

.logo-library-heading, .logo-study-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  gap: 24px 7%;
  align-items: end;
  margin-bottom: clamp(28px, 4vw, 56px);
}

.logo-library-heading > .section-label, .logo-study-heading > .section-label {
  grid-column: 1 / -1;
  margin: 0;
}

.logo-library-grid, .logo-study-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 1.6vw, 24px);
}

.logo-concept-card, .direction-logo-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(16px, 2vw, 28px);
  border: 1px solid var(--atlas-line);
  border-radius: var(--radius);
  background: var(--atlas-panel);
  color: var(--atlas-ink);
  transition: border-color .2s ease, transform .25s ease, box-shadow .25s ease;
}

.logo-library-grid > .logo-concept-card:first-child,
.logo-study-grid > .direction-logo-card:first-child {
  grid-column: span 2;
}

.logo-concept-meta, .logo-card-meta, .logo-route-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  color: var(--atlas-muted);
  font: 500 11px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .06em;
}

.logo-concept-copy, .logo-card-copy { padding-top: 24px; }
.logo-concept-copy h3, .logo-card-copy h3 { font-size: clamp(22px, 2.2vw, 32px); }
.logo-concept-copy p, .logo-card-copy p { margin-bottom: 20px; font-size: 14px; }

.logo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.logo-tags > * {
  padding: 5px 9px;
  border: 1px solid var(--atlas-line);
  border-radius: 999px;
  color: var(--atlas-muted);
  font-size: 11px;
  line-height: 1.4;
}

.logo-card-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  margin-top: auto;
  padding-top: 20px;
  color: var(--atlas-ink);
  font-size: 13px;
}

.logo-card-arrow { font-size: 22px; line-height: 1; }

.logo-symbol-stage {
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 240px;
  margin: 0;
  padding: clamp(24px, 4vw, 56px);
  border: 1px solid var(--atlas-rule, var(--line-strong));
  border-radius: var(--radius);
  background: var(--atlas-stage, var(--paper));
  color: var(--paper-ink);
}

:is(.logo-concept-card, .direction-logo-card) .logo-symbol-stage { margin-top: 20px; }
.logo-symbol-stage .logo-symbol { display: block; width: min(100%, 240px); height: auto; }
.logo-symbol-stage .logo-symbol-favicon { width: 48px; height: 48px; }
.logo-symbol-stage figcaption { margin-top: 24px; color: inherit; font-size: 12px; line-height: 1.5; }

/* The SVG renderer owns ink and cutout colors. Match its inverse surface. */
.logo-symbol-stage:is(.is-inverse, .logo-symbol-stage-inverse),
.logo-symbol-stage:has(.logo-symbol-inverse) { background: #111511; color: #fff; }

body:not([data-direction]) .logo-symbol:not(.logo-direction-preview .logo-symbol) :is(.accent-fill, .wordmark-dot) { fill: currentColor; }
body:not([data-direction]) .logo-symbol:not(.logo-direction-preview .logo-symbol) .accent-stroke { stroke: currentColor; }

.logo-concept-page { padding-block: clamp(28px, 4vw, 56px) 96px; }
.logo-concept-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  padding-block: 32px clamp(56px, 7vw, 96px);
}

.logo-concept-hero > .logo-symbol-stage { min-height: clamp(320px, 38vw, 540px); }
.logo-concept-hero .logo-symbol { width: min(100%, 380px); }
.logo-concept-hero h1 { font-size: clamp(2.8rem, 5.5vw, 6rem); line-height: 1; }
.logo-concept-intro > p { font-size: clamp(16px, 1.5vw, 19px); }

.logo-concept-section, .logo-philosophy, .logo-construction, .logo-lockups,
.logo-applications, .logo-direction-section {
  padding-block: clamp(40px, 5vw, 72px);
  border-top: 1px solid var(--atlas-line);
}

.logo-philosophy-grid, .logo-construction-grid, .logo-lockup-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 56px);
}

.logo-philosophy blockquote {
  margin: 0;
  padding-inline-start: 24px;
  border-inline-start: 1px solid var(--atlas-rule);
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.3;
  letter-spacing: -.035em;
}

.logo-construction dl { margin: 0; }
.logo-construction dt { margin-top: 24px; font-size: 13px; font-weight: 650; }
.logo-construction dd { margin: 8px 0 0; color: var(--atlas-muted); line-height: 1.7; }
.logo-route-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.logo-route-card { min-width: 0; padding: 20px; border: 1px solid var(--atlas-line); border-radius: var(--radius); background: var(--atlas-panel); }
.logo-route-card .logo-symbol-stage { min-height: 200px; margin-block: 20px 24px; padding: 20px; }
.logo-route-card h3 { font-size: 22px; }
.logo-route-card p { margin-bottom: 0; font-size: 14px; }
.logo-route-card.is-recommended { border-color: var(--atlas-rule); }
.logo-route-badge { padding: 4px 8px; border: 1px solid currentColor; border-radius: 999px; font-size: 11px; }

.logo-use-case-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--atlas-line); background: var(--atlas-line); }
.logo-use-case { min-width: 0; padding: clamp(20px, 3vw, 40px); background: var(--atlas-panel); }
.logo-use-case .logo-symbol-stage { min-height: 160px; margin-bottom: 24px; padding: 20px; }
.logo-risk-notes { margin-block: 32px; padding: 24px; border-block: 1px solid var(--atlas-rule); }
.logo-risk-notes :is(ul, ol) { margin: 0; padding-inline-start: 20px; color: var(--atlas-muted); line-height: 1.7; }
.logo-risk-notes li + li { margin-top: 10px; }

.logo-direction-rail { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.logo-direction-preview {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
  overflow: hidden;
  padding: 18px;
  border: 1px solid var(--atlas-line);
  border-radius: var(--radius);
  background: var(--atlas-panel);
}
.logo-direction-preview .logo-symbol-stage { min-height: 160px; padding: 16px; }
.logo-direction-preview h3 { font-size: 18px; }
.logo-direction-preview p { margin-bottom: 0; font-size: 13px; }
.logo-direction-preview[data-direction] {
  --atlas-ink: var(--direction-ink);
  --atlas-muted: var(--direction-muted);
  --atlas-panel: var(--direction-panel);
  --atlas-line: var(--direction-line);
  --atlas-rule: var(--direction-line-strong);
  --atlas-accent: var(--direction-accent);
  position: relative;
  border-color: var(--direction-line);
  border-radius: var(--radius);
  background: var(--direction-panel);
  color: var(--direction-ink);
  font-family: var(--direction-font);
  isolation: isolate;
}
.logo-direction-preview[data-direction]::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: var(--direction-atmosphere);
  opacity: .72;
}
.logo-direction-preview[data-direction] > * { position: relative; z-index: 1; }
.logo-direction-preview[data-direction] :is(h1, h2, h3, h4) { font-family: var(--direction-display-font); color: var(--direction-ink); }
.logo-direction-preview[data-direction] p { color: var(--direction-muted); }
.logo-direction-preview[data-direction] .logo-card-action { color: var(--direction-ink); }

/* Direction previews sit inside the neutral body, so they receive an explicit
   copy of the worlds that styles.css scopes to body[data-direction]. */
.logo-direction-preview[data-direction="intelligent-workshop"] {
  --direction-bg: #1c211c;
  --direction-panel: #292f28;
  --direction-elevated: #343c32;
  --direction-ink: #f2eddf;
  --direction-muted: #b9c0b4;
  --direction-dim: #8a9485;
  --direction-line: rgba(242, 237, 223, .15);
  --direction-line-strong: rgba(242, 237, 223, .34);
  --direction-accent: #c8f36a;
  --direction-accent-ink: #20251e;
  --direction-font: "Avenir Next", Avenir, ui-sans-serif, sans-serif;
  --direction-display-font: "Avenir Next", Avenir, ui-sans-serif, sans-serif;
  --direction-atmosphere: radial-gradient(circle at 72% 10%, rgba(200, 243, 106, .11), transparent 25%), radial-gradient(circle at 12% 76%, rgba(100, 107, 85, .16), transparent 28%);
  --radius: 12px;
  --atlas-stage: #202521;
}
.logo-direction-preview[data-direction="open-rooms"] {
  --direction-bg: #ebe3d6;
  --direction-panel: #f4eee3;
  --direction-elevated: #f8f2e8;
  --direction-ink: #18233f;
  --direction-muted: #586174;
  --direction-dim: #7a7f8d;
  --direction-line: rgba(24, 35, 63, .16);
  --direction-line-strong: rgba(24, 35, 63, .34);
  --direction-accent: #ed624c;
  --direction-accent-ink: #fff5eb;
  --direction-font: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --direction-display-font: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --direction-atmosphere: radial-gradient(circle at 9% 18%, rgba(36, 77, 168, .13), transparent 22%), radial-gradient(circle at 88% 64%, rgba(237, 98, 76, .12), transparent 25%);
  --radius: 24px;
  --atlas-stage: #f1e9dc;
}
.logo-direction-preview[data-direction="precision-rooms"] {
  --direction-bg: #151a20;
  --direction-panel: #20262e;
  --direction-elevated: #29313b;
  --direction-ink: #edf2f7;
  --direction-muted: #aeb9c4;
  --direction-dim: #748392;
  --direction-line: rgba(237, 242, 247, .14);
  --direction-line-strong: rgba(237, 242, 247, .32);
  --direction-accent: #4e9cff;
  --direction-accent-ink: #102238;
  --direction-font: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --direction-display-font: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --direction-atmosphere: linear-gradient(115deg, transparent 48%, rgba(78, 156, 255, .07) 48.2%, transparent 48.5%), radial-gradient(circle at 82% 12%, rgba(78, 156, 255, .13), transparent 28%);
  --radius: 8px;
  --atlas-stage: #20242a;
}
.logo-direction-preview[data-direction="living-intelligence"] {
  --direction-bg: #e9dfd0;
  --direction-panel: #f3eadc;
  --direction-elevated: #f7f0e5;
  --direction-ink: #153e3d;
  --direction-muted: #5f716c;
  --direction-dim: #7c8a82;
  --direction-line: rgba(21, 62, 61, .15);
  --direction-line-strong: rgba(21, 62, 61, .3);
  --direction-accent: #d77b50;
  --direction-accent-ink: #fff5eb;
  --direction-font: "Avenir Next", Avenir, ui-sans-serif, sans-serif;
  --direction-display-font: "Avenir Next", Avenir, ui-sans-serif, sans-serif;
  --direction-atmosphere: radial-gradient(ellipse at 10% 22%, rgba(215, 123, 80, .16), transparent 25%), radial-gradient(ellipse at 88% 72%, rgba(21, 62, 61, .12), transparent 28%);
  --radius: 30px;
  --atlas-stage: #eee5d7;
}

/* Surface geometry expresses each world; stage colors match the corresponding
   SVG cutout paper while each preview still exposes the full direction token set. */
body[data-direction="intelligent-workshop"] :is(.logo-study-section, .logo-concept-page) { --atlas-stage: #202521; }
body[data-direction="open-rooms"] :is(.logo-study-section, .logo-concept-page) { --atlas-stage: #f1e9dc; }
body[data-direction="precision-rooms"] :is(.logo-study-section, .logo-concept-page) { --atlas-stage: #20242a; }
body[data-direction="living-intelligence"] :is(.logo-study-section, .logo-concept-page) { --atlas-stage: #eee5d7; }
body[data-direction] .logo-symbol-stage { color: var(--direction-ink); }
body[data-direction] .logo-symbol-stage:has(.logo-symbol-inverse) { color: #fff; }

body[data-direction="intelligent-workshop"] :is(.direction-logo-card, .logo-route-card) {
  border-top: 2px solid var(--direction-line-strong);
  box-shadow: 4px 4px 0 var(--direction-bg);
}
body[data-direction="intelligent-workshop"] .logo-concept-intro { padding-inline-start: 24px; border-inline-start: 2px solid var(--direction-accent); }
body[data-direction="open-rooms"] :is(.direction-logo-card, .logo-route-card) { padding: clamp(22px, 3vw, 40px); }
body[data-direction="open-rooms"] .logo-concept-hero { gap: clamp(32px, 6vw, 88px); }
body[data-direction="open-rooms"] .logo-symbol-stage { border-radius: 48px 48px 12px 12px; }
body[data-direction="precision-rooms"] :is(.direction-logo-card, .logo-route-card) { border-radius: 2px; }
body[data-direction="precision-rooms"] .logo-symbol-stage {
  border-radius: 0;
  background-image: linear-gradient(var(--direction-line) 1px, transparent 1px), linear-gradient(90deg, var(--direction-line) 1px, transparent 1px);
  background-size: 40px 40px;
}
body[data-direction="living-intelligence"] :is(.direction-logo-card, .logo-route-card) { border-radius: 36px 16px 36px 16px; }
body[data-direction="living-intelligence"] .logo-symbol-stage { border-radius: 48% 48% 28px 28px; }
body[data-direction="living-intelligence"] .logo-concept-intro h1 { font-weight: 560; letter-spacing: -.065em; }

.logo-direction-preview[data-direction="intelligent-workshop"] .logo-symbol-stage { background: var(--atlas-stage); border-radius: 12px; }
.logo-direction-preview[data-direction="open-rooms"] .logo-symbol-stage { background: var(--atlas-stage); border-radius: 32px 32px 8px 8px; }
.logo-direction-preview[data-direction="precision-rooms"] .logo-symbol-stage {
  background-color: var(--atlas-stage);
  background-image: linear-gradient(var(--direction-line) 1px, transparent 1px), linear-gradient(90deg, var(--direction-line) 1px, transparent 1px);
  background-size: 40px 40px;
  border-radius: 0;
}
.logo-direction-preview[data-direction="living-intelligence"] .logo-symbol-stage { background: var(--atlas-stage); border-radius: 48% 48% 20px 20px; }

@keyframes atlas-workshop-settle {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(-.25deg); }
  50% { transform: translate3d(0, -3px, 0) rotate(.25deg); }
}
@keyframes atlas-open-breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.018); }
}
@keyframes atlas-precision-scan {
  from { background-position: 0 0, 0 0; }
  to { background-position: 0 40px, 40px 0; }
}
@keyframes atlas-living-drift {
  0%, 100% { transform: translate3d(-1px, 0, 0) rotate(-.3deg); }
  50% { transform: translate3d(2px, -2px, 0) rotate(.3deg); }
}

@media (prefers-reduced-motion: no-preference) {
  :is(body[data-direction="intelligent-workshop"] .logo-symbol-stage, .logo-direction-preview[data-direction="intelligent-workshop"] .logo-symbol-stage) .logo-symbol {
    animation: atlas-workshop-settle 7s cubic-bezier(.45, 0, .55, 1) infinite;
  }
  :is(body[data-direction="open-rooms"] .logo-symbol-stage, .logo-direction-preview[data-direction="open-rooms"] .logo-symbol-stage) .logo-symbol {
    animation: atlas-open-breathe 8.5s ease-in-out infinite;
    transform-origin: center;
  }
  :is(body[data-direction="precision-rooms"] .logo-symbol-stage, .logo-direction-preview[data-direction="precision-rooms"] .logo-symbol-stage) {
    animation: atlas-precision-scan 8s linear infinite;
  }
  :is(body[data-direction="living-intelligence"] .logo-symbol-stage, .logo-direction-preview[data-direction="living-intelligence"] .logo-symbol-stage) .logo-symbol {
    animation: atlas-living-drift 10s ease-in-out infinite;
  }
}

/* Small-size studies must retain their real dimensions even in a hero. */
.logo-symbol-stage svg.logo-symbol-favicon { width: 48px; height: 48px; }

:is(.logo-library, .logo-concept-page, .logo-study-section) :is(a, button):focus-visible {
  outline: 3px solid var(--atlas-ink);
  outline-offset: 5px;
}
:is(.logo-library, .logo-concept-page, .logo-study-section) .text-link { min-height: 44px; color: var(--atlas-ink); }
:is(.logo-library, .logo-concept-page, .logo-study-section) .text-link span { color: inherit; }

@media (hover: hover) and (pointer: fine) {
  a:is(.logo-concept-card, .direction-logo-card, .logo-direction-preview, .logo-route-card):hover {
    border-color: var(--atlas-rule);
    box-shadow: 0 12px 28px rgb(0 0 0 / .1);
  }
}

@media (prefers-reduced-motion: no-preference) and (hover: hover) and (pointer: fine) {
  a:is(.logo-concept-card, .direction-logo-card):hover { transform: translateY(-3px); }
}

@media (max-width: 980px) {
  .logo-library-grid, .logo-study-grid, .logo-route-grid, .logo-direction-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .logo-concept-hero { grid-template-columns: minmax(0, 1fr); }
  .logo-concept-hero > .logo-symbol-stage { min-height: 320px; }
  .logo-concept-hero .logo-symbol { width: min(100%, 280px); }
}

@media (max-width: 600px) {
  .logo-library-heading, .logo-study-heading, .logo-library-grid, .logo-study-grid,
  .logo-route-grid, .logo-philosophy-grid, .logo-construction-grid, .logo-lockup-grid,
  .logo-use-case-strip, .logo-direction-rail { grid-template-columns: minmax(0, 1fr); }
  .logo-library-grid > .logo-concept-card:first-child,
  .logo-study-grid > .direction-logo-card:first-child { grid-column: auto; }
  .logo-concept-hero { padding-top: 24px; }
  .logo-concept-hero > .logo-symbol-stage { min-height: 260px; }
  .logo-concept-hero h1 { font-size: clamp(2.5rem, 12vw, 4rem); }
  .logo-symbol-stage { min-height: 220px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  :is(.logo-library, .logo-concept-page, .logo-study-section),
  :is(.logo-library, .logo-concept-page, .logo-study-section) *,
  :is(.logo-library, .logo-concept-page, .logo-study-section) *::before,
  :is(.logo-library, .logo-concept-page, .logo-study-section) *::after {
    animation: none;
    transition: none;
    scroll-behavior: auto;
  }
}