/* Layout variants — distinct structure, professional tone. Same content, different presentation. */

html[data-theme="studio-sidebar"] {
  --bg: #f8f9fb;
  --surface: #ffffff;
  --surface-elevated: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --border: rgba(17, 24, 39, 0.1);
  --shadow: 0 1px 3px rgba(17, 24, 39, 0.06);
  --radius: 12px;
  --radius-sm: 8px;
  --max: 960px;
  color-scheme: light;
}

html[data-theme="broadsheet"] {
  --bg: #f7f5f1;
  --surface: transparent;
  --surface-elevated: #ffffff;
  --text: #1a1a1a;
  --muted: #5c5c5c;
  --accent: #1f6feb;
  --accent-hover: #1757c2;
  --border: rgba(26, 26, 26, 0.14);
  --shadow: none;
  --radius: 8px;
  --radius-sm: 6px;
  --font-display: "Libre Baskerville", Georgia, serif;
  --font-body: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  color-scheme: light;
}

html[data-theme="precision-grid"] {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-elevated: #f9fafb;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #0f172a;
  --accent-hover: #334155;
  --border: rgba(15, 23, 42, 0.12);
  --shadow: none;
  --radius: 0;
  --radius-sm: 0;
  --font-display: "Space Grotesk", "DM Sans", sans-serif;
  --font-body: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  color-scheme: light;
}

html[data-theme="corporate-light"] {
  --bg: #eef1f6;
  --surface: #ffffff;
  --surface-elevated: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --accent: #1e40af;
  --accent-hover: #1d4ed8;
  --border: rgba(30, 41, 59, 0.1);
  --shadow: 0 2px 8px rgba(30, 41, 59, 0.06);
  --radius: 10px;
  --radius-sm: 6px;
  color-scheme: light;
}

html[data-theme="documentation"] {
  --bg: #ffffff;
  --surface: #f8fafc;
  --surface-elevated: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --border: rgba(15, 23, 42, 0.1);
  --shadow: none;
  --radius: 8px;
  --radius-sm: 6px;
  --max: 760px;
  --font-body: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  color-scheme: light;
}

/* ─── Studio Sidebar ─── */

html[data-theme="studio-sidebar"] .site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 14rem;
  height: 100vh;
  border-right: 1px solid var(--border);
  border-bottom: none;
  backdrop-filter: none;
  background: var(--surface);
  z-index: 20;
}

html[data-theme="studio-sidebar"] .site-header__inner {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  height: 100%;
  width: 100%;
  max-width: none;
  padding: 1.25rem 1rem;
  gap: 1.5rem;
}

html[data-theme="studio-sidebar"] .brand {
  font-size: 0.95rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

html[data-theme="studio-sidebar"] .main-nav {
  flex: 1;
  flex-direction: column;
  align-items: stretch;
  gap: 0.15rem;
  padding: 0;
  border: none;
  background: transparent;
}

html[data-theme="studio-sidebar"] .main-nav a {
  border-radius: 8px;
  padding: 0.5rem 0.65rem;
  font-size: 0.875rem;
  text-align: left;
}

html[data-theme="studio-sidebar"] .main-nav a[aria-current="page"] {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  font-weight: 600;
  box-shadow: none;
}

html[data-theme="studio-sidebar"] .site-controls {
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

html[data-theme="studio-sidebar"] .shuffle-btn {
  width: 100%;
}

html[data-theme="studio-sidebar"] main,
html[data-theme="studio-sidebar"] .site-footer {
  margin-left: 14rem;
  width: auto;
  max-width: none;
}

html[data-theme="studio-sidebar"] main {
  padding: 2rem 2.5rem 3rem;
}

html[data-theme="studio-sidebar"] .site-footer {
  margin-left: 14rem;
  padding: 1.5rem 2.5rem 2.5rem;
}

html[data-theme="studio-sidebar"] .hero,
html[data-theme="studio-sidebar"] .section,
html[data-theme="studio-sidebar"] .editorial-hero,
html[data-theme="studio-sidebar"] .photo-hero {
  box-shadow: var(--shadow);
}

/* ─── Broadsheet: modern editorial ─── */

html[data-theme="broadsheet"] .site-header {
  background: var(--bg);
  backdrop-filter: none;
  border-bottom: 1px solid var(--border);
}

html[data-theme="broadsheet"] .site-header__inner {
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 0.75rem 1rem;
  padding: 1.25rem 0 1rem;
}

html[data-theme="broadsheet"] .brand {
  grid-column: 1 / -1;
  justify-self: center;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
}

html[data-theme="broadsheet"] .site-controls {
  grid-column: 2;
  grid-row: 1;
  position: absolute;
  right: max(1.25rem, calc((100% - var(--max)) / 2 + 1.25rem));
  top: 1rem;
}

html[data-theme="broadsheet"] .site-header__inner {
  position: relative;
}

html[data-theme="broadsheet"] .main-nav {
  grid-column: 1 / -1;
  justify-content: center;
  gap: 1.25rem;
  padding: 0;
  border: none;
  background: transparent;
}

html[data-theme="broadsheet"] .main-nav a {
  padding: 0.25rem 0;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 0;
  background: transparent;
}

html[data-theme="broadsheet"] .main-nav a[aria-current="page"] {
  background: transparent;
  box-shadow: none;
  color: var(--accent);
  font-weight: 600;
  border-bottom: 2px solid var(--accent);
}

html[data-theme="broadsheet"] .hero,
html[data-theme="broadsheet"] .section,
html[data-theme="broadsheet"] .editorial-hero,
html[data-theme="broadsheet"] .photo-hero {
  border: none;
  border-radius: var(--radius);
  box-shadow: none;
  background: transparent;
  border-bottom: 1px solid var(--border);
  margin-block: 0;
  padding-block: 2.5rem;
}

html[data-theme="broadsheet"] .hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(200px, 0.8fr);
}

html[data-theme="broadsheet"] .hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
}

html[data-theme="broadsheet"] .portrait {
  border-radius: var(--radius-sm);
  filter: none;
}

html[data-theme="broadsheet"] .split .large {
  font-family: var(--font-body);
  max-width: 65ch;
}

html[data-theme="broadsheet"] .card-grid,
html[data-theme="broadsheet"] .opportunity-grid {
  gap: 1.25rem;
}

html[data-theme="broadsheet"] .project-card,
html[data-theme="broadsheet"] .text-card,
html[data-theme="broadsheet"] .article-card {
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

/* ─── Precision Grid ─── */

html[data-theme="precision-grid"] body {
  background:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 24px 24px;
  background-color: var(--bg);
}

html[data-theme="precision-grid"] .site-header {
  background: var(--bg);
  backdrop-filter: none;
  border-bottom: 2px solid var(--text);
}

html[data-theme="precision-grid"] .site-header__inner {
  grid-template-columns: auto 1fr auto;
  padding: 1rem 0;
}

html[data-theme="precision-grid"] .brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

html[data-theme="precision-grid"] .brand__tld {
  color: var(--text);
}

html[data-theme="precision-grid"] .main-nav {
  justify-content: flex-end;
  gap: 0;
  padding: 0;
  border: 2px solid var(--text);
  background: var(--bg);
  border-radius: 0;
}

html[data-theme="precision-grid"] .main-nav a {
  border-radius: 0;
  padding: 0.45rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-right: 1px solid var(--text);
}

html[data-theme="precision-grid"] .main-nav a:last-child {
  border-right: none;
}

html[data-theme="precision-grid"] .main-nav a[aria-current="page"] {
  background: var(--text);
  color: var(--bg);
  box-shadow: none;
}

html[data-theme="precision-grid"] .hero,
html[data-theme="precision-grid"] .section,
html[data-theme="precision-grid"] .editorial-hero,
html[data-theme="precision-grid"] .photo-hero {
  border: 2px solid var(--text);
  border-radius: 0;
  box-shadow: none;
  background: var(--surface);
}

html[data-theme="precision-grid"] .hero h1,
html[data-theme="precision-grid"] .page-shell h1 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

html[data-theme="precision-grid"] .button {
  border-radius: 0;
  background: var(--text);
  border-color: var(--text);
}

html[data-theme="precision-grid"] .project-card,
html[data-theme="precision-grid"] .article-card,
html[data-theme="precision-grid"] .text-card {
  border: 1px solid var(--text);
  border-radius: 0;
}

/* ─── Corporate Light ─── */

html[data-theme="corporate-light"] body {
  background: var(--bg);
}

html[data-theme="corporate-light"] .site-header {
  background: var(--surface);
  backdrop-filter: none;
  border-bottom: none;
  box-shadow: 0 1px 0 var(--border);
}

html[data-theme="corporate-light"] .site-header__inner {
  grid-template-columns: auto 1fr auto;
  padding: 0.75rem 0;
}

html[data-theme="corporate-light"] .brand {
  font-weight: 700;
  color: var(--accent);
}

html[data-theme="corporate-light"] .brand__tld {
  color: var(--text);
}

html[data-theme="corporate-light"] .main-nav {
  justify-content: center;
  gap: 0.15rem;
  padding: 0.15rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
}

html[data-theme="corporate-light"] .main-nav a {
  border-radius: 8px;
  font-size: 0.84rem;
}

html[data-theme="corporate-light"] .main-nav a[aria-current="page"] {
  background: var(--accent);
  color: #ffffff;
  box-shadow: none;
}

html[data-theme="corporate-light"] .hero,
html[data-theme="corporate-light"] .section,
html[data-theme="corporate-light"] .editorial-hero,
html[data-theme="corporate-light"] .photo-hero {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

html[data-theme="corporate-light"] .section-kicker,
html[data-theme="corporate-light"] .eyebrow {
  color: var(--accent);
}

html[data-theme="corporate-light"] .button {
  background: var(--accent);
  border-color: var(--accent);
}

/* ─── Documentation: readable single column ─── */

html[data-theme="documentation"] .site-header {
  background: var(--surface);
  backdrop-filter: none;
  border-bottom: 1px solid var(--border);
}

html[data-theme="documentation"] .site-header__inner {
  grid-template-columns: auto 1fr auto;
  max-width: var(--max);
}

html[data-theme="documentation"] .main-nav {
  justify-content: flex-end;
  gap: 0.25rem;
  padding: 0;
  border: none;
  background: transparent;
}

html[data-theme="documentation"] .main-nav a {
  font-size: 0.82rem;
  padding: 0.35rem 0.6rem;
  color: var(--muted);
}

html[data-theme="documentation"] .main-nav a[aria-current="page"] {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  box-shadow: none;
  font-weight: 600;
}

html[data-theme="documentation"] main {
  display: flex;
  flex-direction: column;
  align-items: center;
}

html[data-theme="documentation"] .hero,
html[data-theme="documentation"] .section,
html[data-theme="documentation"] .editorial-hero,
html[data-theme="documentation"] .photo-hero,
html[data-theme="documentation"] .page-shell {
  width: min(var(--max), calc(100% - 2.5rem));
}

html[data-theme="documentation"] .hero,
html[data-theme="documentation"] .section,
html[data-theme="documentation"] .editorial-hero,
html[data-theme="documentation"] .photo-hero {
  border: 1px solid var(--border);
  box-shadow: none;
  background: var(--surface);
}

html[data-theme="documentation"] .hero h1,
html[data-theme="documentation"] .page-shell h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.025em;
}

html[data-theme="documentation"] .lead,
html[data-theme="documentation"] .large,
html[data-theme="documentation"] .section-intro {
  max-width: 62ch;
}

html[data-theme="documentation"] .markdown {
  max-width: 62ch;
}

html[data-theme="documentation"] .site-footer {
  width: min(var(--max), calc(100% - 2.5rem));
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
}

html[data-theme="documentation"] .card-grid {
  grid-template-columns: 1fr;
}

html[data-theme="documentation"] .project-card,
html[data-theme="documentation"] .article-card {
  display: grid;
  grid-template-columns: 140px 1fr;
}

html[data-theme="documentation"] .project-card img,
html[data-theme="documentation"] .article-card img {
  aspect-ratio: 1;
  height: 100%;
}

/* ─── Mobile ─── */

@media (max-width: 900px) {
  html[data-theme="studio-sidebar"] .site-header {
    position: static;
    width: 100%;
    height: auto;
  }

  html[data-theme="studio-sidebar"] .site-header__inner {
    flex-direction: column;
    height: auto;
  }

  html[data-theme="studio-sidebar"] .main-nav {
    flex-direction: row;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  html[data-theme="studio-sidebar"] main,
  html[data-theme="studio-sidebar"] .site-footer {
    margin-left: 0;
    padding-left: 0;
    padding-right: 0;
  }

  html[data-theme="broadsheet"] .site-controls {
    position: static;
    grid-column: 1 / -1;
    justify-content: center;
  }

  html[data-theme="broadsheet"] .hero {
    grid-template-columns: 1fr;
  }

  html[data-theme="precision-grid"] .main-nav {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  html[data-theme="documentation"] .project-card,
  html[data-theme="documentation"] .article-card {
    grid-template-columns: 1fr;
  }
}