/* ==========================================================================
   Serge Jaimes - Design Intelligence
   Design system: tokens → base → layout → components → pages → case study
   ========================================================================== */

/* Lato 2.015, self-hosted (SIL OFL: /fonts/Lato-OFL.txt; source: lato-font npm package).
   Real weights 100/200/400/500/600/700/800 + italic 400/700; 650 → 700, 750 → 800.
   Each weight is split into latin + latin-ext so pages only download what they use. */
@font-face { font-family: 'Lato'; font-style: normal; font-weight: 100; font-display: swap; src: url('/fonts/lato-100-latin.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+2192, U+229E, U+25CE, U+2190, U+2500; }
@font-face { font-family: 'Lato'; font-style: normal; font-weight: 100; font-display: swap; src: url('/fonts/lato-100-latin-ext.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Lato'; font-style: normal; font-weight: 200; font-display: swap; src: url('/fonts/lato-200-latin.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+2192, U+229E, U+25CE, U+2190, U+2500; }
@font-face { font-family: 'Lato'; font-style: normal; font-weight: 200; font-display: swap; src: url('/fonts/lato-200-latin-ext.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Lato'; font-style: normal; font-weight: 400; font-display: swap; src: url('/fonts/lato-400-latin.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+2192, U+229E, U+25CE, U+2190, U+2500; }
@font-face { font-family: 'Lato'; font-style: normal; font-weight: 400; font-display: swap; src: url('/fonts/lato-400-latin-ext.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Lato'; font-style: normal; font-weight: 500; font-display: swap; src: url('/fonts/lato-500-latin.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+2192, U+229E, U+25CE, U+2190, U+2500; }
@font-face { font-family: 'Lato'; font-style: normal; font-weight: 500; font-display: swap; src: url('/fonts/lato-500-latin-ext.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Lato'; font-style: normal; font-weight: 600; font-display: swap; src: url('/fonts/lato-600-latin.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+2192, U+229E, U+25CE, U+2190, U+2500; }
@font-face { font-family: 'Lato'; font-style: normal; font-weight: 600; font-display: swap; src: url('/fonts/lato-600-latin-ext.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Lato'; font-style: normal; font-weight: 700; font-display: swap; src: url('/fonts/lato-700-latin.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+2192, U+229E, U+25CE, U+2190, U+2500; }
@font-face { font-family: 'Lato'; font-style: normal; font-weight: 700; font-display: swap; src: url('/fonts/lato-700-latin-ext.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Lato'; font-style: normal; font-weight: 800; font-display: swap; src: url('/fonts/lato-800-latin.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+2192, U+229E, U+25CE, U+2190, U+2500; }
@font-face { font-family: 'Lato'; font-style: normal; font-weight: 800; font-display: swap; src: url('/fonts/lato-800-latin-ext.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Lato'; font-style: italic; font-weight: 400; font-display: swap; src: url('/fonts/lato-400i-latin.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+2192, U+229E, U+25CE, U+2190, U+2500; }
@font-face { font-family: 'Lato'; font-style: italic; font-weight: 400; font-display: swap; src: url('/fonts/lato-400i-latin-ext.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Lato'; font-style: italic; font-weight: 700; font-display: swap; src: url('/fonts/lato-700i-latin.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+2192, U+229E, U+25CE, U+2190, U+2500; }
@font-face { font-family: 'Lato'; font-style: italic; font-weight: 700; font-display: swap; src: url('/fonts/lato-700i-latin-ext.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }

/* ------------------------------------------------------------------ TOKENS */

:root {
  /* Surfaces */
  --bg: #F7F8FA;
  --surface: #FFFFFF;
  --surface-2: #F2F4F7;
  --surface-3: #E9ECF1;
  --overlay: rgba(16, 24, 40, 0.45);

  /* Text - primary 17:1, secondary 7.6:1, tertiary 4.8:1 on surface */
  --text: #111827;
  --text-2: #475467;
  --text-3: #667085;
  --text-on-accent: #FFFFFF;

  /* Lines */
  --border: #E5E7EB;
  --border-strong: #D0D5DD;
  --border-accent: #C4B5FD;

  /* Accent - blue is the interactive color; violet is the research/insight color */
  --accent: #6D28D9;          /* links & text: 7.1:1 */
  --accent-hover: #5B21B6;
  --accent-solid: #6D28D9;    /* button fill with white text */
  --accent-soft: #F3EEFF;
  --accent-2: #9333EA;
  --accent-2-text: #7E22CE;
  --accent-2-soft: #F7EEFF;

  /* Status */
  --positive: #047857;
  --positive-soft: #ECFDF5;
  --warning: #B45309;
  --warning-soft: #FFF7ED;
  --info: #1D4ED8;
  --info-soft: #EFF4FF;
  --danger: #B42318;
  --danger-soft: #FEF3F2;

  --focus: #6D28D9;
  --select-chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23667085' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");

  /* Categorical (charts): fixed order, validated light + dark */
  --cat-1: #2a78d6; --cat-2: #eb6834; --cat-3: #1baf7a; --cat-4: #eda100; --cat-5: #e87ba4; --cat-6: #4a3aa7;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 1px 3px rgba(16, 24, 40, 0.06), 0 8px 24px -8px rgba(16, 24, 40, 0.10);
  --shadow-lg: 0 24px 48px -12px rgba(16, 24, 40, 0.22);

  /* Type */
  --font-sans: 'Lato', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Cascadia Code', Consolas, monospace;
  --fs-display: clamp(2.25rem, 1.55rem + 2.6vw, 3.75rem);
  --fs-h1: clamp(1.875rem, 1.5rem + 1.4vw, 2.5rem);
  --fs-h2: 1.25rem;
  --fs-h3: 1.0625rem;
  --fs-lede: clamp(1.0625rem, 1rem + 0.3vw, 1.25rem);
  --fs-body: 1rem;
  --fs-ui: 0.875rem;
  --fs-meta: 0.8125rem;
  --fs-eyebrow: 0.75rem;
  --fs-metric: clamp(1.75rem, 1.5rem + 0.8vw, 2.25rem);

  /* Space (4px base) */
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 20px;
  --sp-6: 24px; --sp-8: 32px; --sp-10: 40px; --sp-12: 48px; --sp-16: 64px;
  --gutter: clamp(16px, 3vw, 40px);

  /* Shape */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  /* Layout */
  --sidebar-w: 264px;
  --topbar-h: 64px;
  --content-max: 1600px;
  --prose-max: 72ch;

  --ease: cubic-bezier(0.2, 0, 0, 1);

  /* Sidebar - text 10:1, muted 4.8:1, active 6.4:1 */
  --nav-bg: #FFFFFF;
  --nav-border: #E5E7EB;
  --nav-fg: #111827;
  --nav-text: #344054;
  --nav-muted: #667085;
  --nav-hover: #F2F4F7;
  --nav-hover-fg: #111827;
  --nav-active: #F3EEFF;
  --nav-active-fg: #6D28D9;
  --nav-line: #E5E7EB;
  --nav-line-strong: #D0D5DD;
  --nav-field: #F7F8FA;
  --nav-well: #F2F4F7;
  --nav-chip: #FFFFFF;
  --nav-focus: #6D28D9;
  --quote-img-opacity: 0.07;
  --connect-img-opacity: 0.06;
  --connect-img-filter: invert(1) hue-rotate(180deg); /* dark network art → light version */
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --select-chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    --cat-1: #3987e5; --cat-2: #d95926; --cat-3: #199e70; --cat-4: #c98500; --cat-5: #d55181; --cat-6: #9085e9;
    --bg: #0B0F17; --surface: #151B27; --surface-2: #1D2635; --surface-3: #263042;
    --overlay: rgba(2, 6, 12, 0.7);
    --text: #F8FAFC; --text-2: #CBD5E1; --text-3: #94A3B8;
    --border: #2A3344; --border-strong: #3A4558; --border-accent: #5B4A99;
    --accent: #A78BFA; --accent-hover: #C4B5FD; --accent-solid: #7C3AED; --accent-soft: #231A3D;
    --accent-2: #C084FC; --accent-2-text: #D8B4FE; --accent-2-soft: #2E1A47;
    --positive: #34D399; --positive-soft: #0E2A22;
    --warning: #FBBF24; --warning-soft: #2E220B;
    --info: #7AA7FF; --info-soft: #172440;
    --danger: #FDA29B; --danger-soft: #3A1513;
    --focus: #A78BFA;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px -12px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 24px 64px -12px rgba(0, 0, 0, 0.7);
    --nav-bg: #0E1320; --nav-border: #1E2636; --nav-fg: #F8FAFC;
    --nav-text: #C2CCDA; --nav-muted: #8C98AB;
    --nav-hover: #182033; --nav-hover-fg: #FFFFFF; --nav-active: #4C1D95; --nav-active-fg: #FFFFFF;
    --nav-line: #263045; --nav-line-strong: #334155; --nav-field: #131A29; --nav-well: #0A0F1A; --nav-chip: #1E293B;
    --nav-focus: #C4B5FD; --quote-img-opacity: 0.16; --connect-img-opacity: 0.08; --connect-img-filter: none;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --select-chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  --cat-1: #3987e5; --cat-2: #d95926; --cat-3: #199e70; --cat-4: #c98500; --cat-5: #d55181; --cat-6: #9085e9;
  --bg: #0B0F17; --surface: #151B27; --surface-2: #1D2635; --surface-3: #263042;
  --overlay: rgba(2, 6, 12, 0.7);
  --text: #F8FAFC; --text-2: #CBD5E1; --text-3: #94A3B8;
  --border: #2A3344; --border-strong: #3A4558; --border-accent: #5B4A99;
  --accent: #A78BFA; --accent-hover: #C4B5FD; --accent-solid: #7C3AED; --accent-soft: #231A3D;
  --accent-2: #C084FC; --accent-2-text: #D8B4FE; --accent-2-soft: #2E1A47;
  --positive: #34D399; --positive-soft: #0E2A22;
  --warning: #FBBF24; --warning-soft: #2E220B;
  --info: #7AA7FF; --info-soft: #172440;
  --danger: #FDA29B; --danger-soft: #3A1513;
  --focus: #A78BFA;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px -12px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 24px 64px -12px rgba(0, 0, 0, 0.7);
  --nav-bg: #0E1320; --nav-border: #1E2636; --nav-fg: #F8FAFC;
  --nav-text: #C2CCDA; --nav-muted: #8C98AB;
  --nav-hover: #182033; --nav-hover-fg: #FFFFFF; --nav-active: #4C1D95; --nav-active-fg: #FFFFFF;
  --nav-line: #263045; --nav-line-strong: #334155; --nav-field: #131A29; --nav-well: #0A0F1A; --nav-chip: #1E293B;
  --nav-focus: #C4B5FD; --quote-img-opacity: 0.16; --connect-img-opacity: 0.08; --connect-img-filter: none;
  color-scheme: dark;
}

/* -------------------------------------------------------------------- BASE */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--topbar-h) + 16px);
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: 0; font-weight: 650; text-wrap: balance; }
p { text-wrap: pretty; }

a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-hover); }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}
:focus:not(:focus-visible) { outline: none; }

::selection { background: color-mix(in srgb, var(--accent) 25%, transparent); }

.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed; top: 8px; left: 8px; z-index: 100;
  padding: 10px 16px; border-radius: var(--radius-sm);
  background: var(--accent-solid); color: var(--text-on-accent); font-weight: 600;
  transform: translateY(-200%);
}
.skip-link:focus { transform: none; color: var(--text-on-accent); }

.icon { flex-shrink: 0; }
.muted { color: var(--text-3); }

/* Visible only in review mode (localhost or ?review) */
.needs-review, .review-only { display: none !important; }
.review-mode .needs-review {
  display: inline-flex !important; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: var(--radius-pill);
  font-size: var(--fs-eyebrow); font-weight: 600; line-height: 1.5;
  color: var(--warning); background: var(--warning-soft);
  border: 1px dashed currentColor;
}
.review-mode .review-only { display: block !important; }

/* ------------------------------------------------------------------ LAYOUT */

.app { min-height: 100vh; }

.sidebar {
  position: fixed; inset: 0 auto 0 0; z-index: 40;
  width: var(--sidebar-w);
  background: var(--nav-bg);
  color: var(--nav-text);
  border-right: 1px solid var(--nav-border);
}
.sidebar-inner {
  height: 100%; display: flex; flex-direction: column;
  padding: 20px 14px 16px; overflow-y: auto; overscroll-behavior: contain;
}
.sidebar-head { display: flex; align-items: center; justify-content: space-between; padding: 0 6px 20px; }

.brand { display: flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.brand:hover { color: inherit; }
.brand-avatar {
  display: grid; place-items: center; width: 40px; height: 40px; flex-shrink: 0; border-radius: 50%;
  font-size: 0.875rem; font-weight: 700; letter-spacing: 0.02em; color: #fff; background: var(--accent-solid);
  box-shadow: 0 0 0 2px var(--nav-bg), 0 0 0 3.5px color-mix(in srgb, var(--accent) 45%, transparent);
}
.topbar-brand .brand-avatar { width: 32px; height: 32px; font-size: 0.75rem; box-shadow: 0 0 0 2px var(--bg), 0 0 0 3.5px color-mix(in srgb, var(--accent) 45%, transparent); }
.brand-mark {
  display: inline-grid; place-items: center; width: 36px; height: 36px; flex-shrink: 0;
  border-radius: 9px; font-weight: 700; font-size: 0.875rem; letter-spacing: 0.02em;
  color: #fff; background: linear-gradient(135deg, #6D28D9, #A855F7);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-text strong { font-size: 0.9375rem; font-weight: 650; color: var(--nav-fg); }
.brand-text span { font-size: var(--fs-eyebrow); color: var(--nav-muted); }

.nav ul { display: flex; flex-direction: column; gap: 2px; }
.nav-link {
  display: flex; align-items: center; gap: 12px;
  min-height: 40px; padding: 8px 12px; border-radius: 8px;
  color: var(--nav-text); text-decoration: none; font-size: var(--fs-ui); font-weight: 500;
}
.nav-link:hover { background: var(--nav-hover); color: var(--nav-hover-fg); }
/* Selected row: transparent purple tint with a purple outline and text (both themes) */
.nav-link[aria-current], .nav-sub-link[aria-current="page"] {
  background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent); font-weight: 600;
}
.nav-link .icon { color: currentColor; opacity: 0.9; }
.sidebar :focus-visible { outline-color: var(--nav-focus); }

.nav-group > summary { list-style: none; cursor: pointer; user-select: none; }
.nav-group > summary::-webkit-details-marker { display: none; }
.nav-group > summary.is-section { background: var(--nav-hover); color: var(--nav-hover-fg); }
.nav-chevron { margin-left: auto; opacity: 0.7; transition: transform 200ms var(--ease); }
.nav-group[open] > summary .nav-chevron { transform: rotate(180deg); }
.nav-sub { margin: 2px 0 6px 21px; padding-left: 12px !important; border-left: 1px solid var(--nav-line); }
.nav-sub-link {
  display: flex; align-items: center; gap: 10px; min-height: 34px; padding: 6px 10px; border-radius: 6px;
  color: var(--nav-muted); text-decoration: none; font-size: var(--fs-meta);
}
.nav-sub-link:hover { color: var(--nav-hover-fg); background: var(--nav-hover); }
.nav-lock { margin-left: auto; color: var(--accent); opacity: 0.9; }

.sidebar-foot { margin-top: auto; padding-top: 20px; display: flex; flex-direction: column; gap: 12px; }

.theme-switch {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px;
  padding: 3px; border: 1px solid var(--nav-line); border-radius: 10px; background: var(--nav-well);
}
.theme-opt { display: grid; place-items: center; height: 32px; border-radius: 7px; color: var(--nav-muted); cursor: pointer; }
.theme-opt input { position: absolute; opacity: 0; pointer-events: none; }
.theme-opt:hover { color: var(--nav-hover-fg); }
.theme-opt:has(input:checked) { background: var(--nav-chip); color: var(--nav-hover-fg); box-shadow: inset 0 0 0 1px var(--nav-line-strong); }
.theme-opt:has(input:focus-visible) { outline: 2px solid var(--nav-focus); outline-offset: 1px; }

.scrim { position: fixed; inset: 0; z-index: 35; background: var(--overlay); }

.app-main { margin-left: var(--sidebar-w); min-width: 0; display: flex; flex-direction: column; min-height: 100vh; }

.topbar {
  position: sticky; top: 0; z-index: 30;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 12px;
  padding: 0 var(--gutter);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-brand { display: none; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 650; }
.topbar-brand .brand-mark { width: 30px; height: 30px; font-size: 0.75rem; border-radius: 8px; }
/* The top bar only exists for the phone/tablet menu button; desktop has the sidebar. */
@media (min-width: 1024px) { :root { --topbar-h: 0px; } .topbar { display: none; } }
.topbar .nav-toggle, .sidebar .sidebar-close { display: none; }

.page {
  width: 100%; max-width: var(--content-max);
  margin: 0 auto; padding: var(--sp-6) var(--gutter) var(--sp-12);
  flex: 1;
}
.page:focus { outline: none; }

.site-footer {
  display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; align-items: center;
  max-width: var(--content-max); width: 100%; margin: 0 auto;
  padding: 24px var(--gutter) 32px; border-top: 1px solid var(--border);
  font-size: var(--fs-meta); color: var(--text-3);
}
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 20px; }
.footer-links a { color: var(--text-2); text-decoration: none; }
.footer-links a:hover { color: var(--accent); text-decoration: underline; }

/* -------------------------------------------------------------- COMPONENTS */

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 18px; border-radius: var(--radius-sm);
  font-size: var(--fs-ui); font-weight: 600; line-height: 1.2; text-decoration: none; white-space: nowrap;
  border: 1px solid transparent; transition: background-color 150ms var(--ease), border-color 150ms var(--ease), color 150ms var(--ease);
}
.btn-sm { min-height: 36px; padding: 6px 12px; }
.btn-primary { background: var(--accent-solid); color: var(--text-on-accent); }
.btn-primary:hover { background: #5B21B6; color: var(--text-on-accent); }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.btn-secondary:hover { background: var(--surface-2); color: var(--text); }
.btn-ghost { background: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }

.icon-btn {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 8px;
  background: transparent; border: 1px solid transparent; color: inherit;
}
.icon-btn:hover { background: var(--surface-2); }

.link-action {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--fs-ui); font-weight: 600; text-decoration: none; white-space: nowrap;
}
.link-action:hover { text-decoration: underline; }

/* Search trigger */
.search-trigger {
  display: flex; align-items: center; gap: 10px;
  min-height: 40px; padding: 0 10px 0 12px; border-radius: 8px;
  font-size: var(--fs-ui); text-align: left;
}
.search-trigger--sidebar { margin: 0 0 16px; width: 100%; background: var(--nav-field); border: 1px solid var(--nav-line); color: var(--nav-text); }
.search-trigger--sidebar span { flex: 1; }
.search-trigger--sidebar:hover { color: var(--nav-hover-fg); border-color: var(--nav-line-strong); }
.search-trigger--sidebar .kbd { background: var(--nav-well); border-color: var(--nav-line); color: var(--nav-muted); }

.kbd {
  display: inline-flex; align-items: center; padding: 1px 6px; border-radius: 5px;
  font-family: var(--font-sans); font-size: 0.6875rem; font-weight: 600; line-height: 1.6; white-space: nowrap;
  color: var(--text-3); background: var(--surface-2); border: 1px solid var(--border);
}

/* Typography helpers */
.eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--fs-eyebrow); font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-3);
}
.lede { font-size: var(--fs-lede); line-height: 1.55; color: var(--text-2); max-width: 60ch; }
.page-head { display: flex; flex-direction: column; gap: 10px; margin-bottom: var(--sp-8); max-width: 820px; }
.page-title { font-size: var(--fs-h1); font-weight: 700; letter-spacing: 0; }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: var(--sp-5); }
.section-head .eyebrow { margin-bottom: 6px; }
.section-title { font-size: var(--fs-h2); font-weight: 650; letter-spacing: 0; }
.section-intro { color: var(--text-2); max-width: 70ch; margin: -8px 0 var(--sp-6); }

.block { margin-top: var(--sp-10); }

/* Cards */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.panel { padding: var(--sp-6); }

/* Badges & tags */
.badge-row { display: flex; flex-wrap: wrap; gap: 6px; }
.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: var(--radius-pill);
  font-size: var(--fs-eyebrow); font-weight: 600; line-height: 1.5; white-space: nowrap;
  border: 1px solid transparent;
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge--positive { color: var(--positive); background: var(--positive-soft); }
.badge--warning { color: var(--warning); background: var(--warning-soft); }
.badge--info { color: var(--info); background: var(--info-soft); }
.badge--neutral { color: var(--text-2); background: var(--surface-2); }
.badge--accent { color: var(--accent-2-text); background: var(--accent-2-soft); }
.badge--outline { color: var(--text-2); border-color: var(--border-strong); background: var(--surface); }
.badge--locked { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, transparent); background: var(--accent-soft); }

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  display: inline-flex; align-items: center; min-height: 28px; padding: 3px 10px; border-radius: var(--radius-sm);
  font-size: var(--fs-meta); font-weight: 500; color: var(--text-2); text-decoration: none;
  background: var(--surface); border: 1px solid var(--border);
}
a.tag:hover { border-color: var(--accent); color: var(--accent); }
.tags--sm .tag { min-height: 24px; padding: 1px 8px; font-size: var(--fs-eyebrow); background: var(--surface-2); border-color: transparent; }

.chip-pending {
  display: inline-flex; align-items: center; padding: 1px 8px; border-radius: var(--radius-pill);
  font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.02em; white-space: nowrap;
  color: var(--text-3); border: 1px dashed var(--border-strong);
}

.lock-pill { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; color: var(--text-3); background: var(--surface-2); }

/* Breadcrumb */
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; font-size: var(--fs-meta); }
.breadcrumb li { display: inline-flex; align-items: center; gap: 4px; color: var(--text-3); }
.breadcrumb a { color: var(--text-2); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); text-decoration: underline; }
.breadcrumb [aria-current] { color: var(--text); font-weight: 500; }

/* Facts */
.facts-inline { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.facts-inline div { display: flex; flex-direction: column; gap: 2px; }
.facts-inline dt { font-size: var(--fs-eyebrow); font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.06em; }
.facts-inline dd { margin: 0; font-size: var(--fs-ui); font-weight: 500; color: var(--text); }

/* 3 columns (2 on phones). Dividers are cell shadows, not a gap over a border-colored background,
   so a short last row leaves blank surface instead of a gray block. */
.facts-grid { display: grid; grid-template-columns: repeat(var(--cols, 5), minmax(0, 1fr)); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.facts-grid > div { padding: 14px 12px; min-width: 0; display: flex; flex-direction: column; gap: 4px; box-shadow: 1px 0 0 var(--border), 0 1px 0 var(--border); }
.facts-grid > .facts-wide { grid-column: 1 / -1; }
@media (max-width: 639px) {
  .facts-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts-grid > .facts-fill-sm { grid-column: span 2; }
}
.facts-grid dt { font-size: var(--fs-eyebrow); font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.04em; }
.facts-grid dd { margin: 0; font-size: var(--fs-ui); color: var(--text); font-weight: 500; hyphens: auto; }

.bullets { padding-left: 1.1em; display: flex; flex-direction: column; gap: 6px; color: var(--text-2); }
.bullets li::marker { color: var(--text-3); }

/* Visuals */
.visual-img { width: 100%; height: 100%; object-fit: cover; }
.visual-placeholder {
  position: relative; width: 100%; height: 100%; min-height: 180px;
  display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; gap: 6px;
  padding: 22px 24px; overflow: hidden; color: #E2E8F0;
  background:
    radial-gradient(120% 90% at 85% 10%, rgba(124, 58, 237, 0.45), transparent 60%),
    radial-gradient(90% 80% at 10% 100%, rgba(109, 40, 217, 0.55), transparent 60%),
    linear-gradient(160deg, #0E1424, #111A30);
}
.visual-placeholder::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, transparent, #000 40%, #000 70%, transparent);
}
.visual-placeholder-org { position: relative; font-size: clamp(1.75rem, 1.2rem + 2vw, 2.75rem); font-weight: 750; letter-spacing: 0; color: #fff; }
.visual-placeholder-note { position: relative; display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-meta); color: #CBD5E1; }

/* Evidence list */
.evidence { display: flex; flex-direction: column; gap: 10px; }
.evidence-list { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.evidence-list > li + li { border-top: 1px solid var(--border); }
.evidence-item {
  display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 10px 14px;
  color: var(--text); text-decoration: none; font-size: var(--fs-ui); font-weight: 500; background: var(--surface);
}
a.evidence-item:hover { background: var(--accent-soft); color: var(--text); }
a.evidence-item:hover .evidence-arrow { transform: translateX(3px); color: var(--accent); }
.evidence-kind {
  flex: 0 0 86px; font-size: 0.6875rem; font-weight: 650; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent-2-text);
}
.evidence-label { flex: 1; }
.evidence-lock { color: var(--text-3); }
.evidence-arrow { color: var(--text-3); transition: transform 150ms var(--ease); }
.evidence-item.is-pending { color: var(--text-3); background: var(--surface-2); }
.evidence-item.is-pending .evidence-kind { color: var(--text-3); }

/* Metric */
.metric { display: flex; flex-direction: column; gap: 4px; padding: 20px; min-width: 0; }
.metric-value { font-size: var(--fs-metric); font-weight: 700; letter-spacing: 0; line-height: 1.1; font-variant-numeric: tabular-nums; color: var(--text); }
.metric-label { font-size: var(--fs-ui); color: var(--text-2); line-height: 1.45; }
.metric-source { margin-top: auto; padding-top: 8px; font-size: var(--fs-meta); }
.metric-source a { display: inline-flex; align-items: center; gap: 4px; text-decoration: none; font-weight: 500; }
.metric-source a:hover { text-decoration: underline; }
.metric.is-pending .metric-value { color: var(--text-3); }

.metric-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.metric-strip > .metric + .metric { border-left: 1px solid var(--border); }

/* Decision record */


/* Traceability chain */
.trace { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: trace; }
.trace-step { position: relative; padding: 16px 28px 16px 16px; display: flex; flex-direction: column; gap: 6px; border: 1px solid var(--border); background: var(--surface); }
.trace-step:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.trace-step:last-child { border-radius: 0 var(--radius) var(--radius) 0; background: var(--positive-soft); }
.trace-step + .trace-step { border-left: 0; }
.trace-step:not(:last-child)::after {
  content: ''; position: absolute; right: -9px; top: 50%; z-index: 1; width: 16px; height: 16px;
  background: inherit; border-top: 1px solid var(--border); border-right: 1px solid var(--border);
  transform: translateY(-50%) rotate(45deg);
}
.trace-stage { display: flex; align-items: center; gap: 8px; font-size: 0.6875rem; font-weight: 650; text-transform: uppercase; letter-spacing: 0.07em; color: var(--accent-2-text); }
.trace-step:last-child .trace-stage { color: var(--positive); }
.trace-num { font-variant-numeric: tabular-nums; color: var(--text-3); }
.trace-label { font-size: var(--fs-ui); font-weight: 600; color: var(--text); text-decoration: none; }
.trace-label:hover { color: var(--accent); text-decoration: underline; }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.data-table { width: 100%; border-collapse: collapse; font-size: var(--fs-ui); }
.data-table caption { text-align: left; }
.data-table th, .data-table td { padding: 12px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
.data-table thead th { position: sticky; top: 0; font-size: var(--fs-eyebrow); font-weight: 650; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-3); background: var(--surface-2); white-space: nowrap; }
.data-table tbody tr:last-child > * { border-bottom: 0; }
.data-table tbody tr:hover { background: var(--surface-2); }
.data-table td { color: var(--text-2); }
.data-table .cell-primary { color: var(--text); font-weight: 600; }
.data-table .cell-primary a { color: inherit; text-decoration: none; }
.data-table .cell-primary a:hover { color: var(--accent); text-decoration: underline; }
.data-table .cell-sub { display: block; font-size: var(--fs-meta); font-weight: 400; color: var(--text-3); }

/* Segmented control & chips (explorer) */
.segmented { display: inline-flex; padding: 3px; gap: 2px; border-radius: 9px; background: var(--surface-2); border: 1px solid var(--border); }
.segmented button {
  display: inline-flex; align-items: center; gap: 6px; min-height: 34px; padding: 4px 12px; border-radius: 7px;
  font-size: var(--fs-meta); font-weight: 600; color: var(--text-2); background: transparent; border: 0;
}
.segmented button[aria-pressed="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }

/* Chips stretch to fill the row; on narrow screens they wrap (never scroll sideways) */
.filter-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.filter-chip {
  flex: 1 1 auto; justify-content: center; white-space: nowrap; display: inline-flex; align-items: center; gap: 5px; min-height: 36px; padding: 4px 12px; border-radius: var(--radius-pill);
  font-size: var(--fs-meta); font-weight: 600; color: var(--text-2); background: var(--surface); border: 1px solid var(--border);
}
.filter-chip:hover { border-color: var(--border-strong); color: var(--text); }
.filter-chip[aria-pressed="true"] { background: var(--text); color: var(--surface); border-color: var(--text); }
.filter-chip-count { font-variant-numeric: tabular-nums; opacity: 0.7; font-weight: 500; }

.field { display: flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 12px; border-radius: 8px; background: var(--surface); border: 1px solid var(--border-strong); color: var(--text-3); }
.field:focus-within { border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 20%, transparent); }
.field input, .field select { border: 0; outline: 0; background: transparent; color: var(--text); min-width: 0; flex: 1; font-size: var(--fs-ui); min-height: 38px; }
.field input::placeholder { color: var(--text-3); }
.select-label { display: inline-flex; align-items: center; gap: 8px; font-size: var(--fs-meta); color: var(--text-3); font-weight: 500; }
.select-label select {
  -webkit-appearance: none; appearance: none; cursor: pointer;
  min-height: 40px; padding: 0 38px 0 12px; border-radius: 8px; border: 1px solid var(--border-strong);
  background: var(--surface) var(--select-chevron) no-repeat right 12px center / 16px 16px;
  color: var(--text); font-size: var(--fs-ui); font-weight: 500;
}
.select-label select:hover { border-color: var(--text-3); }

/* Search dialog */
dialog { color: var(--text); }
dialog::backdrop { background: var(--overlay); backdrop-filter: blur(2px); }
.search-dialog {
  width: min(640px, calc(100vw - 24px)); max-height: min(560px, calc(100vh - 96px));
  margin: 10vh auto auto; padding: 0; border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface); box-shadow: var(--shadow-lg); overflow: hidden;
}
.search-box { display: flex; flex-direction: column; max-height: inherit; }
.search-field { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--border); color: var(--text-3); }
.search-field input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; font-size: 1rem; color: var(--text); }
.search-results { overflow-y: auto; padding: 6px; }
.search-results:empty { display: none; }
.search-group { padding: 10px 10px 4px; font-size: 0.6875rem; font-weight: 650; letter-spacing: 0.07em; text-transform: uppercase; color: var(--text-3); }
.search-option { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 8px; cursor: pointer; }
.search-option[aria-selected="true"] { background: var(--accent-soft); }
.search-option-icon { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 7px; background: var(--surface-2); color: var(--text-2); flex-shrink: 0; }
.search-option-text { display: flex; flex-direction: column; min-width: 0; }
.search-option-title { font-size: var(--fs-ui); font-weight: 600; color: var(--text); }
.search-option-sub { font-size: var(--fs-meta); color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-option mark { background: none; color: var(--accent); font-weight: 700; }
.search-status { padding: 12px 18px; font-size: var(--fs-meta); color: var(--text-3); border-top: 1px solid var(--border); }
.search-status:empty { display: none; }

/* Lightbox */
.lightbox {
  width: 100vw; height: 100vh; max-width: none; max-height: none; margin: 0; padding: 48px 24px;
  border: 0; background: transparent; display: none; place-items: center;
}
.lightbox[open] { display: grid; }
.lightbox::backdrop { background: rgba(3, 6, 12, 0.88); }
.lightbox-figure { display: flex; flex-direction: column; gap: 12px; align-items: center; }
.lightbox-figure img { max-width: min(1400px, 92vw); max-height: 84vh; width: auto; border-radius: 8px; box-shadow: var(--shadow-lg); background: #fff; }
.lightbox-figure figcaption { font-size: var(--fs-ui); color: #CBD5E1; text-align: center; max-width: 70ch; }
.lightbox-figure figcaption:empty { display: none; }
.lightbox-close { position: fixed; top: 12px; right: 12px; color: #fff; background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.18); }
.lightbox-close:hover { background: rgba(255,255,255,0.18); }

/* ------------------------------------------------------------------- PAGES */

/* Overview - hero */
/* Hero container: copy on the left, structural photograph on the right fading into the surface */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: 0; display: flex; align-items: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
}
.hero-main { position: relative; z-index: 2; display: flex; flex-direction: column; gap: 14px; width: min(64%, 720px); padding: clamp(20px, 2.2vw, 30px) clamp(28px, 4vw, 52px); }
.hero-visual { position: absolute; inset: 0 0 0 auto; width: 56%; z-index: 1; }
.hero .display { font-size: clamp(2.125rem, 1.5rem + 2.1vw, 3.25rem); max-width: none; }
/* "Designing clarity into" stays on one line where there's room; phones may wrap it. */
@media (min-width: 640px) { .display-line { white-space: nowrap; } }
.hero .lede { max-width: 44ch; }
.hero-img {
  width: 100%; height: 100%; object-fit: cover; object-position: center;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 42%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 42%);
}
.display { font-size: var(--fs-display); font-weight: 750; letter-spacing: 0; line-height: 1.03; max-width: 15ch; }
.display-accent { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 2px; }
.hero-disciplines { margin-top: -4px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 4px; font-size: var(--fs-meta); color: var(--text-3); }
.hero-disciplines a, .hero-disciplines li > span { color: var(--text-2); text-decoration: none; font-weight: 500; padding: 4px 6px; border-radius: 6px; }
.hero-disciplines a:hover { color: var(--accent); background: var(--accent-soft); }
.hero-disciplines li + li::before { content: '/'; margin-right: 4px; color: var(--border-strong); }


.flagship-problem { padding: 14px 16px; border-radius: var(--radius); background: var(--surface-2); display: flex; flex-direction: column; gap: 6px; font-size: var(--fs-ui); color: var(--text-2); }

/* Project cards */
.project-grid.project-grid--4 { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
@media (min-width: 1280px) { .project-grid.project-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--sp-5); }
.project-card { position: relative; display: flex; flex-direction: column; overflow: hidden; transition: box-shadow 200ms var(--ease), border-color 200ms var(--ease); }
.project-card:hover { box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.project-card:focus-within { box-shadow: 0 0 0 2px var(--focus); }
.project-card-visual { aspect-ratio: 16 / 9; overflow: hidden; background: var(--surface-2); border-bottom: 1px solid var(--border); }
.project-card-visual img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.project-card-visual .visual-placeholder { min-height: 0; padding: 16px 18px; }
.project-card-visual .visual-placeholder-org { font-size: 1.5rem; }
.project-card-body { display: flex; flex-direction: column; gap: 10px; padding: 18px 20px 20px; flex: 1; }
.project-card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.project-card-title { font-size: var(--fs-h3); font-weight: 650; }
.project-card-title a { color: var(--text); text-decoration: none; }
.project-card-title a:focus-visible { outline: none; }
.stretched::after { content: ''; position: absolute; inset: 0; }
.project-card:hover .project-card-title a { color: var(--accent); }
.project-card-summary { font-size: var(--fs-ui); color: var(--text-2); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.project-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: auto; padding-top: 6px; font-size: var(--fs-meta); }

/* Overview - selected work cards (compact) */
/* Four across on desktop, two on tablet, one on phones */
.work-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-5); }
/* Related work: as many columns as cards, so 3 cards fill the row */
.work-grid--fill { grid-template-columns: repeat(var(--n, 4), minmax(0, 1fr)); }
@media (max-width: 1199px) { .work-grid, .work-grid--fill { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .work-grid { grid-template-columns: minmax(0, 1fr); } }
.work-card-role { flex: 1; font-size: var(--fs-meta); color: var(--text-3); }
.work-card { container-type: inline-size; position: relative; display: flex; flex-direction: column; overflow: hidden; transition: box-shadow 200ms var(--ease), border-color 200ms var(--ease); }
.work-card:hover { box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.work-card:focus-within { box-shadow: 0 0 0 2px var(--focus); }

.work-card-media { position: relative; height: clamp(120px, 9vw, 152px); overflow: hidden; background: #0E1424; border-bottom: 1px solid var(--border); }
.work-card-img { width: 100%; height: 100%; object-fit: cover; transition: transform 400ms var(--ease); }
.work-card:hover .work-card-img { transform: scale(1.03); }
.work-card-placeholder {
  position: absolute; inset: 0; display: flex; align-items: flex-end; padding: 12px 16px;
  font-size: var(--fs-eyebrow); color: #CBD5E1;
  background:
    radial-gradient(120% 120% at 90% 0%, rgba(124, 58, 237, 0.45), transparent 60%),
    radial-gradient(90% 120% at 0% 100%, rgba(109, 40, 217, 0.5), transparent 60%),
    linear-gradient(160deg, #0E1424, #111A30);
}
.work-card-placeholder span { display: inline-flex; align-items: center; gap: 6px; }
.work-card-wordmark { position: absolute; z-index: 1; top: 14px; left: 16px; font-size: 1.375rem; font-weight: 750; letter-spacing: 0; color: #fff; }

.work-card-body { display: flex; flex-direction: column; gap: 8px; padding: 16px 18px 18px; flex: 1; }
.work-card-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.work-card-tags a, .work-card-tags span {
  position: relative; z-index: 1; display: inline-flex; padding: 2px 8px; border-radius: 5px; border: 1px solid transparent;
  font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; text-decoration: none;
  color: var(--text-2); background: var(--surface-2);
  transition: background-color 150ms var(--ease), color 150ms var(--ease), border-color 150ms var(--ease);
}
.work-card-tags a:hover { color: var(--accent); background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
.work-card-title { font-size: 1.1875rem; font-weight: 700; letter-spacing: 0; margin-top: 4px; }
.work-card-title a { color: var(--text); text-decoration: none; }
.work-card-title a:focus-visible { outline: none; }
.work-card:hover .work-card-title a { color: var(--accent); }
.work-card-org { display: flex; align-items: center; gap: 4px; margin-top: -4px; font-size: var(--fs-meta); color: var(--text-3); }
.work-card-summary { font-size: var(--fs-ui); color: var(--text-2); line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.work-card-foot { display: flex; align-items: center; gap: 12px; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border); }
.work-card-stats { flex: 1; display: flex; gap: 6px; min-width: 0; }
.work-card-stats > li { flex: 1; min-width: 0; }
.work-card-stats > li + li { border-left: 1px solid var(--border); padding-left: 10px; }
.work-card-stat { position: relative; z-index: 1; display: flex; align-items: flex-start; gap: 10px; color: var(--text-2); text-decoration: none; border-radius: 6px; }
a.work-card-stat:hover .work-card-stat-value { color: var(--accent); text-decoration: underline; }
.work-card-stat .icon { color: var(--text-3); }
.work-card-stat-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.3; }
.work-card-stat-value { font-size: var(--fs-ui); font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
/* Labels always take two lines, so every card footer (and its dividers) is the same height */
.work-card-stat-label { font-size: var(--fs-eyebrow); color: var(--text-3); min-height: 2.6em; overflow-wrap: anywhere; hyphens: auto; }
.work-card-stat.is-pending .work-card-stat-value { color: var(--text-3); }
.work-card-go { display: grid; place-items: center; flex-shrink: 0; width: 38px; height: 38px; border-radius: 50%; color: var(--accent); border: 1.5px solid currentColor; transition: background-color 150ms var(--ease), color 150ms var(--ease); }
.work-card:hover .work-card-go { background: var(--accent-solid); border-color: var(--accent-solid); color: #fff; }

/* Logos: white chip over photos; branded panel when there is no photo yet */
.logo-chip {
  position: absolute; z-index: 1; top: 12px; left: 12px;
  display: inline-flex; align-items: center; height: 30px; padding: 5px 10px; border-radius: 8px;
  background: #fff; box-shadow: 0 2px 10px rgba(5, 8, 15, 0.28);
}
.logo-chip-img { height: 100%; width: auto; max-width: 112px; object-fit: contain; }
.logo-chip--tall { height: 50px; padding: 6px 10px; }
/* Case study header: the same chip in the flow, top-left above the title */
.logo-chip--inline { position: static; align-self: flex-start; box-shadow: none; border: 1px solid var(--border); }
.logo-chip--inline.logo-chip--tall { height: 44px; }
.logo-chip--badge { top: 8px; left: 10px; height: 48px; padding: 0; border-radius: 50%; background: transparent; box-shadow: none; filter: drop-shadow(0 2px 6px rgba(5, 8, 15, 0.35)); }
.visual-brand {
  position: relative; width: 100%; height: 100%; min-height: 140px;
  display: grid; place-items: center; padding: 20px; overflow: hidden;
  background:
    radial-gradient(120% 120% at 90% 0%, rgba(124, 58, 237, 0.4), transparent 60%),
    radial-gradient(90% 120% at 0% 100%, rgba(109, 40, 217, 0.45), transparent 60%),
    linear-gradient(160deg, #0E1424, #111A30);
}
.visual-brand::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 28px 28px;
}
.visual-brand-logo {
  position: relative; box-sizing: content-box; width: auto; height: auto;
  max-width: min(64%, 300px); max-height: 52px; object-fit: contain;
  padding: 14px 20px; border-radius: 12px; background: #fff; box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}
.cs-header-visual .visual-brand-logo { max-height: 80px; }
.work-card-media .visual-brand { padding-top: 44px; }

/* Narrow cards (4-up rows, small laptops): one tag, no stat icons, so footers never collide */
@container (max-width: 300px) {
  .work-card-tags li:nth-child(n + 2) { display: none; }
  .work-card-stat .icon { display: none; }
  .work-card-stats > li + li { padding-left: 8px; }
  .work-card-go { width: 34px; height: 34px; }
  .logo-chip--tall { height: 44px; }
}

/* Overview - connections + quote row */
.connect-row { display: grid; grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); gap: var(--sp-5); align-items: stretch; }
.quote-card { position: relative; isolation: isolate; overflow: hidden; display: flex; flex-direction: column; }
/* Same surface treatment as .connect: faint photo over the card surface */
.quote-card::before {
  content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: url('/assets/images/metro.jpg') 50% 30% / cover no-repeat;
  opacity: var(--quote-img-opacity);
  filter: blur(3px); transform: scale(1.06); /* soften the sign's lettering behind the quote */
}
.quote-card-body { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 18px; padding: 20px 24px 24px; }
.quote-card-mark { color: var(--accent); }
.quote-card blockquote p { font-size: clamp(1.25rem, 1.05rem + 0.7vw, 1.625rem); font-weight: 600; line-height: 1.3; letter-spacing: 0; text-wrap: balance; }
.quote-card figcaption { display: flex; flex-direction: column; gap: 2px; padding-top: 14px; border-top: 1px solid var(--border); font-size: var(--fs-ui); font-weight: 600; }
.quote-card figcaption span { font-size: var(--fs-meta); font-weight: 500; color: var(--text-2); }
@media (max-width: 1199px) { .connect-row { grid-template-columns: minmax(0, 1fr); } }

/* Overview - "How my work connects" */
.connect { position: relative; isolation: isolate; overflow: hidden; }
.connect::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: url('/assets/images/abstract-bg.webp') center / cover no-repeat;
  opacity: var(--connect-img-opacity); filter: var(--connect-img-filter);
}
.connect-body { box-sizing: content-box; display: grid; grid-template-columns: minmax(0, auto) minmax(60px, 1fr) minmax(0, auto); grid-template-rows: minmax(0, 1fr); gap: 0 16px; height: calc(var(--rows) * 40px); padding: 12px 24px 16px; }
.connect-col { display: flex; flex-direction: column; justify-content: space-around; min-height: 0; }
.connect-node {
  display: inline-flex; align-items: center; gap: 10px; min-height: 32px; padding: 2px 8px; margin: 0 -8px; border-radius: 6px;
  font-size: var(--fs-ui); font-weight: 500; color: var(--text); text-decoration: none; white-space: nowrap;
  transition: opacity 150ms var(--ease), background-color 150ms var(--ease);
}
.connect-node:hover, .connect-node:focus-visible { background: var(--surface-2); color: var(--text); }
.connect-col--left .connect-node { flex-direction: row-reverse; }
/* A row with several destinations (Blue Origin): the label opens a small menu of case studies. */
.connect-menu { position: relative; display: inline-block; }
.connect-menu > summary { cursor: pointer; list-style: none; }
.connect-menu > summary::-webkit-details-marker { display: none; }
.connect-menu > summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.connect-menu-chevron { color: var(--text-3); margin-left: -4px; transition: transform 150ms var(--ease); }
.connect-menu[open] .connect-menu-chevron { transform: rotate(180deg); }
.connect-popover {
  position: absolute; top: calc(100% + 4px); right: -8px; z-index: 5; min-width: max-content;
  display: grid; gap: 2px; padding: 6px; margin: 0; list-style: none;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-md);
}
.connect-popover a { display: block; padding: 8px 10px; border-radius: 6px; font-size: var(--fs-ui); font-weight: 500; color: var(--text); text-decoration: none; white-space: nowrap; }
.connect-popover a:hover, .connect-popover a:focus-visible { background: var(--surface-2); color: var(--accent); }
.connect-col--left li { display: flex; justify-content: flex-end; }
.connect-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; background: var(--c, var(--accent)); box-shadow: 0 0 0 2px var(--surface); }
.connect-lines { display: block; width: 100%; height: 100%; min-height: 0; overflow: visible; }
.connect-lines path { fill: none; stroke-width: 1.75; opacity: 0.4; transition: opacity 150ms var(--ease), stroke-width 150ms var(--ease); }
.connect[data-active] .connect-lines path { opacity: 0.08; }
.connect[data-active] .connect-lines path.is-on { opacity: 0.95; stroke-width: 2.5; }
.connect[data-active] [data-node]:not(.is-on) { opacity: 0.4; }
@media (max-width: 720px) {
  .connect-body { padding: 12px 16px 16px; gap: 0 8px; height: calc(var(--rows) * 40px); }
  .connect-node { font-size: var(--fs-meta); gap: 8px; }
}

/* Overview - dashboard row */
.dash-card { display: flex; flex-direction: column; overflow: hidden; }
.dash-card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--border); }
.dash-card-head h2 { font-size: 1rem; font-weight: 650; }


.pull-quote { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: start; padding: var(--sp-8); }
.pull-quote .icon { color: var(--accent-2); }
.pull-quote blockquote p { font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.625rem); font-weight: 600; letter-spacing: 0; line-height: 1.35; color: var(--text); }
.pull-quote figcaption { margin-top: 12px; font-size: var(--fs-meta); color: var(--text-3); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }

/* Work explorer */
.explorer-toolbar { display: flex; flex-direction: column; gap: 14px; margin-bottom: var(--sp-5); }
.explorer-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.explorer-row .field { flex: 1 1 280px; max-width: 420px; }
.explorer-row-end { margin-left: auto; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.explorer-count { font-size: var(--fs-meta); color: var(--text-3); margin-bottom: 14px; }
.explorer-empty { padding: 48px 24px; text-align: center; color: var(--text-2); border: 1px dashed var(--border-strong); border-radius: var(--radius-lg); }
.explorer-empty button { margin-top: 12px; }
[data-explorer] [hidden] { display: none !important; }

/* Case study workspace */
.cs-page { display: flex; flex-direction: column; gap: var(--sp-8); }
/* Breadcrumb with page-level status (e.g. Password protected) on the right */
.cs-topline { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; }
.cs-header { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr); gap: var(--sp-8); align-items: center; }
.cs-header-text { display: flex; flex-direction: column; gap: 14px; }
.cs-header-title { font-size: var(--fs-h1); font-weight: 750; letter-spacing: 0; }
.cs-header-visual { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-md); aspect-ratio: 16 / 10; }
.cs-header-visual button { display: block; width: 100%; height: 100%; padding: 0; border: 0; background: none; cursor: zoom-in; }
/* Fill the frame (no white backing showing at the edges in dark mode); focal point via inline object-position */
.cs-header-visual img { width: 100%; height: 100%; object-fit: cover; }

/* Same columns and gap as .cs-header, so the summary lines up with the title and the side panel with the image */
.cs-summary { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr); gap: var(--sp-8); align-items: start; }
.cs-summary-main { display: flex; flex-direction: column; gap: 20px; padding: var(--sp-6); }
.cs-summary-main > h2, .cs-summary-side .dash-card-head h2 { font-size: 1rem; font-weight: 650; display: flex; align-items: center; gap: 8px; }
.cs-summary-side { display: flex; flex-direction: column; gap: var(--sp-5); }
.cs-overview-prose { display: flex; flex-direction: column; gap: 12px; color: var(--text-2); max-width: var(--prose-max); }

.cs-block { display: flex; flex-direction: column; gap: var(--sp-5); }

.ws { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: var(--sp-10); align-items: start; }
.ws-side { position: sticky; top: calc(var(--topbar-h) + 24px); max-height: calc(100vh - var(--topbar-h) - 48px); overflow-y: auto; }
.ws-toc { display: flex; flex-direction: column; gap: 10px; }
.ws-toc-list { display: flex; flex-direction: column; border-left: 1px solid var(--border); }
.ws-toc-list a {
  display: flex; flex-direction: column; gap: 1px; padding: 7px 12px; margin-left: -1px;
  border-left: 2px solid transparent; text-decoration: none; font-size: var(--fs-meta); color: var(--text-2); line-height: 1.35;
}
.ws-toc-list a:hover { color: var(--text); border-left-color: var(--border-strong); }
.ws-toc-list a[aria-current="true"] { color: var(--accent); border-left-color: var(--accent); font-weight: 600; }
.ws-toc-phase { font-size: 0.625rem; font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); }
.ws-toc-locked { display: flex; gap: 6px; align-items: center; font-size: var(--fs-eyebrow); color: var(--text-3); }

.ws-content { min-width: 0; }

/* Migrated case-study content in the workspace */
.case-study { display: flex; flex-direction: column; gap: var(--sp-12); padding: 0; height: auto; overflow: visible; }
.case-study-section { scroll-margin-top: calc(var(--topbar-h) + 16px); gap: var(--sp-4); }
.case-study-section + .case-study-section { border-top: 1px solid var(--border); padding-top: var(--sp-12); }
.cs-section-title { display: flex; flex-direction: column; gap: 6px; font-size: clamp(1.375rem, 1.2rem + 0.5vw, 1.625rem); font-weight: 700; letter-spacing: 0; color: var(--text); margin-bottom: 4px; }
.cs-section-phase { font-size: var(--fs-eyebrow); font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-2-text); }
.case-study-section p { font-size: 1rem; line-height: 1.7; color: var(--text-2); max-width: var(--prose-max); }
.case-study-section h3 { font-size: 1.0625rem; color: var(--text); font-weight: 650; }
.case-study-placeholder { color: var(--text-3); font-style: normal; }

/* Case-study skeleton: stands in for sections that aren't written yet (AAR, SHIFTRAX).
   Bars show the page's shape; .cs-brief (review mode only) lists what each section needs. */
.cs-wip { display: inline-flex; align-items: center; gap: 6px; align-self: flex-start; padding: 3px 10px; border-radius: var(--radius-pill); font-size: var(--fs-eyebrow); font-weight: 600; color: var(--text-3); background: var(--surface-2); border: 1px dashed var(--border); }
.cs-wip::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.cs-skel { --skel: color-mix(in srgb, var(--text-3) 16%, var(--surface)); display: grid; gap: var(--sp-5); }
.cs-skel-lines { display: grid; gap: 10px; max-width: var(--prose-max); }
.cs-skel-line, .cs-skel-card, .cs-skel-media, .cs-skel-stat {
  border-radius: var(--radius); background-color: var(--skel);
  background-image: linear-gradient(90deg, transparent 0, color-mix(in srgb, var(--surface) 60%, transparent) 50%, transparent 100%);
  background-size: 200% 100%; background-repeat: no-repeat; animation: cs-skel-shimmer 1.8s ease-in-out infinite;
}
.cs-skel-line { height: 12px; border-radius: var(--radius-pill); }
.cs-skel-line:nth-child(4n + 1) { width: 100%; }
.cs-skel-line:nth-child(4n + 2) { width: 94%; }
.cs-skel-line:nth-child(4n + 3) { width: 86%; }
.cs-skel-line:last-child { width: 58%; }
.cs-skel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--sp-4); }
.cs-skel-card { height: 112px; border: 1px solid var(--border); }
.cs-skel-media { aspect-ratio: 5 / 2; border: 1px solid var(--border); }
.cs-skel-grid .cs-skel-media { aspect-ratio: 4 / 3; }
.cs-skel-stat { height: 96px; border: 1px solid var(--border); }
@keyframes cs-skel-shimmer { from { background-position: 150% 0; } to { background-position: -50% 0; } }
@media (prefers-reduced-motion: reduce) { .cs-skel-line, .cs-skel-card, .cs-skel-media, .cs-skel-stat { animation: none; } }
/* ==========================================================================
   AAR case study: its own visual language (aviation operations), not the
   Blue Origin components. Product colors: Digital MRO = info, NGE+ = accent-2,
   Concourse-wide = accent. Everything is namespaced .aar-*.
   ========================================================================== */
.is-mro { --p: var(--info); }
.is-nge { --p: var(--accent-2); }
.is-both { --p: var(--accent); }
.aar-sub, .cs-sub { font-size: var(--fs-lede); color: var(--text-2); max-width: var(--prose-max); margin-top: -6px; }
.aar-tag { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-eyebrow); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--p, var(--accent)); }
.aar-tag::before { content: ''; width: 8px; height: 8px; border-radius: 2px; background: currentColor; }
.aar-pill { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: var(--radius-pill); font-size: var(--fs-eyebrow); font-weight: 600; }
.aar-pill.is-live { color: var(--positive); background: var(--positive-soft); }
.aar-pill.is-dev { color: var(--warning); background: var(--warning-soft); }
.aar-pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.aar-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }

/* Overview: Concourse system map */
.aar-map { padding: 20px; background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 7%, var(--surface)), var(--surface)); }
.aar-map-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px; padding: 4px 4px 14px; }
.aar-map-head strong { font-size: 1.125rem; color: var(--text); }
.aar-map-head span { font-size: var(--fs-meta); color: var(--text-3); }
.aar-map-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.aar-map-col { padding: 16px 18px; border-radius: var(--radius); border: 1px solid color-mix(in srgb, var(--p) 35%, var(--border)); border-top: 3px solid var(--p); background: color-mix(in srgb, var(--p) 6%, var(--surface)); }
.aar-map-col p { margin: 6px 0 10px; font-size: var(--fs-meta); color: var(--text-2); }
.aar-map-col ul { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; }
.aar-map-col li { padding: 8px 10px; border-radius: 6px; background: var(--surface); border: 1px solid var(--border); font-size: var(--fs-ui); font-weight: 600; color: var(--text); }
.aar-map-span { margin-top: 12px; padding: 10px 14px; border-radius: var(--radius); text-align: center; font-size: var(--fs-ui); font-weight: 600; color: var(--text); border: 1px dashed color-mix(in srgb, var(--p) 55%, transparent); background: color-mix(in srgb, var(--p) 8%, var(--surface)); }
.aar-map-span span { color: var(--text-3); font-weight: 500; }
.aar-map-foot { margin: 14px 4px 0; font-size: var(--fs-meta); color: var(--text-3); }
.aar-map-foot strong { color: var(--text); }

/* Big numbers (overview + impact) */
.aar-numbers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.aar-numbers li { padding: 18px 16px 16px; }
.aar-numbers li + li { border-left: 1px solid var(--border); }
.aar-numbers strong { display: block; font-size: clamp(1.75rem, 1.4rem + 1vw, 2.25rem); font-weight: 800; line-height: 1.1; color: var(--accent); font-variant-numeric: tabular-nums; }
.aar-numbers span { display: block; margin-top: 6px; font-size: var(--fs-meta); color: var(--text-2); }

/* Problem: two product alert panels */
.aar-alerts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.aar-alert { display: flex; flex-direction: column; overflow: hidden; border-top: 3px solid var(--p); }
.aar-alert-head { padding: 16px 18px 12px; }
.aar-alert-head h4 { margin: 8px 0 0; font-size: 1.0625rem; color: var(--text); }
.aar-signals { margin: 0; padding: 0 18px; list-style: none; }
.aar-signals li { display: flex; align-items: flex-start; gap: 10px; padding: 10px 0; border-top: 1px solid var(--border); font-size: var(--fs-ui); color: var(--text-2); }
.aar-signals li::before { content: ''; flex-shrink: 0; width: 8px; height: 8px; margin-top: 6px; border-radius: 50%; background: var(--warning); box-shadow: 0 0 0 3px var(--warning-soft); }
.aar-alert-foot { margin-top: auto; display: grid; gap: 10px; padding: 14px 18px 16px; border-top: 1px solid var(--border); background: var(--surface-2); }
.aar-alert-foot p { margin: 0; font-size: var(--fs-ui); color: var(--text-2); }
.aar-alert-foot b { display: block; margin-bottom: 2px; font-size: var(--fs-eyebrow); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); }
.aar-alert-foot .is-opp b { color: var(--p); }
.aar-note { font-size: var(--fs-meta); color: var(--text-3); }
/* Full-width bar under both product panels: a problem shared by both */
.aar-alerts-span { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; margin: 0; padding: 12px 18px; border-radius: var(--radius); border: 1px dashed color-mix(in srgb, var(--p) 55%, transparent); background: color-mix(in srgb, var(--p) 8%, var(--surface)); }

/* Research: flight route */
.aar-route { counter-reset: wp; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 16px; margin: var(--sp-2) 0 0; padding: 0; list-style: none; }
.aar-route > li { counter-increment: wp; position: relative; padding-top: 44px; }
.aar-route > li::before { content: counter(wp); position: absolute; top: 0; left: 0; z-index: 1; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; font-size: var(--fs-meta); font-weight: 800; color: var(--text-on-accent); background: var(--accent-solid); box-shadow: 0 0 0 4px var(--accent-soft); }
.aar-route > li::after { content: ''; position: absolute; top: 14px; left: 38px; right: -8px; border-top: 2px dashed color-mix(in srgb, var(--accent) 45%, transparent); }
.aar-route > li:last-child::after { display: none; }
.aar-route h4 { margin: 0 0 4px; font-size: var(--fs-ui); color: var(--text); }
.aar-route p { margin: 0; font-size: var(--fs-meta); line-height: 1.55; color: var(--text-2); }
.aar-codes { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.aar-code { display: inline-flex; align-items: baseline; gap: 6px; padding: 3px 8px; border-radius: 6px; font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em; color: var(--p, var(--info)); background: color-mix(in srgb, var(--p, var(--info)) 10%, var(--surface)); border: 1px solid color-mix(in srgb, var(--p, var(--info)) 30%, var(--border)); }
.aar-code small { font-family: var(--font-sans); font-weight: 500; letter-spacing: 0; color: var(--text-2); }
/* Facilities key under the route: purple codes; spacing (not separators) so wrapped lines start clean */
.aar-key { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.aar-key span { white-space: nowrap; }
.aar-key b { font-family: var(--font-mono); font-weight: 700; letter-spacing: 0.04em; color: var(--accent); }
/* Facility name tooltip on hover and keyboard focus (screen readers get the name from .sr-only) */
.aar-code[data-name] { position: relative; cursor: default; }
.aar-code[data-name]::after {
  content: attr(data-name); position: absolute; bottom: calc(100% + 8px); left: 50%; z-index: 5;
  transform: translate(-50%, 4px); padding: 5px 9px; border-radius: 6px; white-space: nowrap; pointer-events: none;
  font-family: var(--font-sans); font-size: var(--fs-meta); font-weight: 600; letter-spacing: 0;
  color: var(--surface); background: var(--text); box-shadow: var(--shadow-md);
  opacity: 0; transition: opacity 120ms var(--ease), transform 120ms var(--ease);
}
.aar-code[data-name]:hover::after, .aar-code[data-name]:focus-visible::after { opacity: 1; transform: translate(-50%, 0); }
.aar-code[data-name]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.aar-findings { display: grid; gap: 12px; }
.aar-finding { display: grid; grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr); align-items: center; gap: 12px; padding: 16px 18px; }
.aar-finding .icon { color: var(--accent); justify-self: center; }
.aar-finding b { display: block; margin-bottom: 4px; font-size: var(--fs-eyebrow); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); }
.aar-finding .is-resp b { color: var(--accent); }
.aar-finding p { margin: 0; font-size: var(--fs-ui); color: var(--text-2); }
.aar-finding strong { color: var(--text); }

/* Leadership: approval chain, team map, working cycle */
.aar-chain { display: flex; flex-wrap: wrap; align-items: stretch; gap: 8px; margin: 0; padding: 0; list-style: none; }
.aar-chain li { flex: 1 1 150px; position: relative; padding: 12px 14px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.aar-chain li b { display: block; font-size: var(--fs-eyebrow); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); }
.aar-chain li span { display: block; margin-top: 4px; font-size: var(--fs-ui); font-weight: 600; color: var(--text); }
.aar-chain li.is-result { border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); background: var(--accent-soft); }
.aar-chain li.is-result b { color: var(--accent); }
.aar-gains { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.aar-gains li { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: var(--radius-pill); font-size: var(--fs-meta); font-weight: 600; color: var(--positive); background: var(--positive-soft); }
.aar-lead-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.aar-lead-grid > .aar-card { padding: 18px 20px; }
.aar-lead-grid h4 { margin: 0 0 10px; font-size: 1rem; color: var(--text); }
.aar-lead-grid p { margin: 0; font-size: var(--fs-ui); color: var(--text-2); line-height: 1.6; }
.aar-team { display: grid; gap: 8px; margin: 0; }
.aar-team > div { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 12px; align-items: baseline; padding: 8px 0; border-top: 1px solid var(--border); }
.aar-team > div:first-child { border-top: 0; padding-top: 0; }
.aar-team dt { font-size: var(--fs-eyebrow); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
/* Design system card: Figma → VS Code */
.aar-flow { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 18px; padding: 16px; border-radius: var(--radius); background: var(--surface-2); border: 1px solid var(--border); }
.aar-flow-tool { display: grid; justify-items: center; gap: 6px; min-width: 64px; }
.aar-flow-tool > span { font-size: var(--fs-eyebrow); font-weight: 600; color: var(--text-2); }
.aar-flow-arrow { color: var(--accent); }
.aar-team dd { margin: 0; font-size: var(--fs-ui); color: var(--text); }
.aar-cycle { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 0; padding: 0; list-style: none; }
.aar-cycle li { position: relative; padding: 14px 16px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.aar-cycle li b { display: block; font-size: var(--fs-ui); color: var(--accent); }
.aar-cycle li span { display: block; margin-top: 4px; font-size: var(--fs-meta); color: var(--text-2); line-height: 1.5; }
.aar-cycle-note { margin-top: 8px; font-size: var(--fs-meta); color: var(--text-3); }

/* Signature work: color-coded project cards */
.aar-projects { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.aar-proj { display: flex; flex-direction: column; overflow: hidden; border-top: 3px solid var(--p); }
.aar-proj.is-wide { grid-column: 1 / -1; }
/* Full-width card with the image beside the text (used to balance an odd count) */
.aar-proj.is-split { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.aar-proj.is-split .aar-proj-shots { border-bottom: 0; border-right: 1px solid var(--border); }
.aar-proj.is-split .aar-proj-shots figure { align-content: stretch; }
.aar-proj.is-split .cs-skel, .aar-proj.is-split .cs-skel-media { height: 100%; }
.aar-proj-shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(0, 1fr)); gap: 1px; background: var(--border); border-bottom: 1px solid var(--border); }
.aar-proj-shots .cs-skel-media { aspect-ratio: 16 / 9; border: 0; border-radius: 0; }
.aar-proj-shots figure { margin: 0; display: grid; background: var(--surface); }
.aar-proj-shots figcaption { padding: 6px 12px; font-size: var(--fs-eyebrow); color: var(--text-3); }
.aar-proj-body { padding: 16px 18px 18px; }
.aar-proj-meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.aar-proj h4 { margin: 8px 0 12px; font-size: 1.125rem; color: var(--text); }
.aar-proj dl { display: grid; gap: 10px; margin: 0; }
.aar-proj.is-wide dl { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.aar-proj dt { font-size: var(--fs-eyebrow); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); }
.aar-proj dd { margin: 2px 0 0; font-size: var(--fs-ui); color: var(--text-2); line-height: 1.55; }
.aar-proj dd strong { color: var(--text); }
.aar-proj .is-outcome dt { color: var(--p); }

/* Research: highlighted decision callout */
.aar-call { padding: 18px 20px; border-left: 4px solid var(--accent); background: linear-gradient(90deg, var(--accent-soft), var(--surface) 60%); }
.aar-call-title { display: flex; align-items: center; gap: 8px; font-size: var(--fs-eyebrow); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.aar-call-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 12px; }
.aar-call-grid b { display: block; margin-bottom: 4px; font-size: var(--fs-eyebrow); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); }
.aar-call-grid strong { color: var(--text); }
@media (max-width: 720px) { .aar-call-grid { grid-template-columns: minmax(0, 1fr); } }

/* Beat the generic `.case-study-section p` (1rem, prose width) for component text */
.case-study-section :is(.aar-sub, .cs-sub) { font-size: var(--fs-lede); line-height: 1.55; color: var(--text-2); }
.case-study-section .aar-note, .case-study-section .aar-map-foot { font-size: var(--fs-meta); line-height: 1.6; color: var(--text-3); }
.case-study-section .aar-map-foot { margin: 16px 4px 0; }
.case-study-section .aar-alerts-span { font-size: var(--fs-ui); line-height: 1.55; max-width: none; color: var(--text); }
.case-study-section .aar-call-title { font-size: var(--fs-eyebrow); line-height: 1.4; color: var(--accent); }
.case-study-section :is(.aar-map-col, .aar-route) p { font-size: var(--fs-meta); line-height: 1.55; max-width: none; }
.case-study-section :is(.aar-alert-foot, .aar-finding, .aar-lead-grid, .aar-call-grid) p { font-size: var(--fs-ui); line-height: 1.6; max-width: none; }

@media (max-width: 899px) {
  .aar-route { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .aar-route > li { padding: 0 0 0 46px; }
  .aar-route > li::after { top: 36px; bottom: -14px; left: 14px; right: auto; border-top: 0; border-left: 2px dashed color-mix(in srgb, var(--accent) 45%, transparent); }
  .aar-lead-grid, .aar-projects { grid-template-columns: minmax(0, 1fr); }
  .aar-proj.is-wide dl { grid-template-columns: minmax(0, 1fr); }
  .aar-proj.is-split { display: flex; flex-direction: column; }
  .aar-proj.is-split .aar-proj-shots { border-right: 0; border-bottom: 1px solid var(--border); }
  .aar-numbers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .aar-numbers li:nth-child(3) { border-left: 0; }
  .aar-numbers li:nth-child(n + 3) { border-top: 1px solid var(--border); }
}
@media (max-width: 720px) {
  .aar-map-cols, .aar-alerts, .aar-cycle { grid-template-columns: minmax(0, 1fr); }
  .aar-finding { grid-template-columns: minmax(0, 1fr); }
  .aar-finding .icon { transform: rotate(90deg); }
}

/* Figure with caption; while the image is pending it holds a .cs-skel placeholder. */
.cs-figure { display: grid; gap: 10px; margin: var(--sp-2) 0 0; }
.cs-figure figcaption { font-size: var(--fs-meta); color: var(--text-3); }
.cs-figure .cs-skel-media { aspect-ratio: 16 / 9; }
/* Numbered process steps (e.g. a research loop). */
.cs-steps { counter-reset: step; display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; max-width: var(--prose-max); }
.cs-steps > li { counter-increment: step; position: relative; padding-left: 44px; color: var(--text-2); line-height: 1.6; }
.cs-steps > li::before { content: counter(step); position: absolute; left: 0; top: -1px; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; font-size: var(--fs-meta); font-weight: 700; color: var(--accent); background: var(--accent-soft); }
.cs-steps strong { color: var(--text); }
.cs-brief { padding: var(--sp-4) var(--sp-5); border-radius: var(--radius); border: 1px dashed var(--warning); background: var(--warning-soft); color: var(--text); font-size: var(--fs-ui); max-width: var(--prose-max); }
.cs-brief strong { display: block; margin-bottom: 6px; color: var(--warning); font-size: var(--fs-eyebrow); letter-spacing: 0.06em; text-transform: uppercase; }
.cs-brief ul { margin: 0; padding-left: 1.1em; display: grid; gap: 4px; list-style: disc; }
.cs-brief li { line-height: 1.5; }
.cs-img-btn { cursor: zoom-in; }
.cs-img-btn img { box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.cs-img-btn:hover img { box-shadow: var(--shadow-md); transform: none; }

/* Gate - full-screen entry for password-protected case studies (no previews) */
.gate-screen { display: grid; place-items: center; min-height: calc(100vh - var(--topbar-h) - 200px); padding: var(--sp-8) 0; }
.gate-screen .gate { width: min(100%, 520px); padding: clamp(28px, 4vw, 40px); box-shadow: var(--shadow-md); }
.gate-title { font-size: var(--fs-h1); font-weight: 750; letter-spacing: 0; margin-top: -4px; }
.gate-back { display: inline-flex; align-items: center; gap: 6px; margin-top: 4px; font-size: var(--fs-meta); font-weight: 600; text-decoration: none; color: var(--text-2); }
.gate-back:hover { color: var(--accent); }
.gate-back-icon { transform: rotate(180deg); }
.cs-header-title:focus { outline: none; }
/* Gate */
.gate { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; padding: var(--sp-8); }
.gate-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); }
.gate h2 { font-size: var(--fs-h2); }
.gate p { color: var(--text-2); max-width: 60ch; }
.gate-form { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px; width: 100%; max-width: 480px; }
.gate-field { display: flex; flex-direction: column; gap: 6px; flex: 1 1 220px; }
.gate-field label { font-size: var(--fs-meta); font-weight: 600; color: var(--text); }
.gate-field input { min-height: 44px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); }
.gate-field input:focus { outline: none; border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 20%, transparent); }
.gate-field input[aria-invalid="true"] { border-color: var(--danger); }
.gate-error { color: var(--danger) !important; font-size: var(--fs-ui); font-weight: 500; }
.gate-error:empty { display: none; }
.gate-note { font-size: var(--fs-meta); color: var(--text-3) !important; }
.gate-hint { padding: 10px 14px; border-radius: 8px; background: var(--warning-soft); color: var(--warning) !important; font-size: var(--fs-ui); font-weight: 500; }
.gate-hint:empty { display: none; }
.is-loading { opacity: 0.6; pointer-events: none; }

.cs-pager { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
.cs-pager a { display: flex; flex-direction: column; gap: 4px; padding: 18px 20px; text-decoration: none; color: var(--text); }
.cs-pager a:hover { border-color: var(--accent); }
.cs-pager .pager-next { text-align: right; align-items: flex-end; }
.cs-pager strong { font-weight: 650; }

/* Experience timeline */
.timeline { position: relative; display: flex; flex-direction: column; gap: var(--sp-4); }
.timeline::before { content: ''; position: absolute; left: 11px; top: 12px; bottom: 12px; width: 2px; background: var(--border); }
.timeline-item { position: relative; display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: var(--sp-5); }
.timeline-marker { position: relative; z-index: 1; width: 24px; height: 24px; margin-top: 18px; border-radius: 50%; background: var(--surface); border: 2px solid var(--border-strong); }
.timeline-progress { position: absolute; left: 11px; top: 12px; width: 2px; height: calc((100% - 24px) * var(--progress, 0)); background: var(--accent); z-index: 0; pointer-events: none; }
.timeline-marker { transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease); }
.timeline-item.is-passed .timeline-marker { border-color: var(--accent); }
.timeline-item.is-active .timeline-marker { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.timeline-item.is-active .timeline-marker::after { content: ''; position: absolute; inset: 5px; border-radius: 50%; background: var(--accent); }
.timeline-card { transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease); scroll-margin-top: calc(var(--topbar-h) + 16px); }
.timeline-item.is-active .timeline-card { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); box-shadow: var(--shadow-md); }
.timeline-item:target .timeline-card { border-color: var(--accent); }
.js .timeline-item[data-reveal] .timeline-card { opacity: 0; transform: translateY(18px); }
.js .timeline-item[data-reveal] .timeline-marker { transform: scale(0.6); }
.js .timeline-item.is-revealed .timeline-card { opacity: 1; transform: none; transition: opacity 500ms var(--ease), transform 500ms var(--ease), border-color 200ms var(--ease), box-shadow 200ms var(--ease); }
.js .timeline-item.is-revealed .timeline-marker { transform: none; transition: transform 400ms var(--ease) 120ms, border-color 200ms var(--ease), box-shadow 200ms var(--ease); }
.timeline-card:hover { box-shadow: var(--shadow-md); }
.timeline-progress { transition: height 250ms var(--ease); }
@media (prefers-reduced-motion: reduce) {
  .js .timeline-item[data-reveal] .timeline-card, .js .timeline-item[data-reveal] .timeline-marker { opacity: 1; transform: none; }
}
.timeline-card { padding: 18px 22px; display: flex; flex-direction: column; gap: 10px; }
.timeline-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; }
.timeline-org { font-size: 1.0625rem; font-weight: 700; }
.timeline-role { color: var(--text); font-weight: 500; font-size: var(--fs-ui); }
.timeline-domain { margin-top: 2px; font-size: var(--fs-meta); color: var(--text-3); }
.timeline-meta { text-align: right; font-size: var(--fs-meta); color: var(--text-3); }
.timeline-dates { color: var(--text-2); font-weight: 600; white-space: nowrap; }
.timeline-location { margin-top: 2px; }
.timeline-bullets { gap: 4px; font-size: var(--fs-meta); line-height: 1.55; }
.timeline-projects { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding-top: 10px; border-top: 1px solid var(--border); font-size: var(--fs-meta); color: var(--text-3); }
.timeline-projects a { display: inline-flex; align-items: center; gap: 4px; font-weight: 600; text-decoration: none; }
.timeline-projects a:hover { text-decoration: underline; }

/* About */
/* About header: photo + intro on top, an "at a glance" strip of facts across the bottom. */
.about-profile { overflow: hidden; }
.about-profile-main { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: var(--sp-8); align-items: center; padding: clamp(24px, 3vw, 40px); }
.about-intro { display: flex; flex-direction: column; gap: 12px; }
.about-intro .hero-actions { margin-top: 6px; flex-wrap: nowrap; } /* one line; phones may wrap (see 720px) */
.about-photo { width: 200px; aspect-ratio: 1; border-radius: 24px; object-fit: cover; object-position: 50% 15%; background: linear-gradient(160deg, #F7C62F, #E9A800); box-shadow: var(--shadow-md); }
.about-glance { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; background: var(--surface-2); border-top: 1px solid var(--border); }
.about-glance > div { padding: 18px clamp(20px, 2.4vw, 32px); }
.about-glance > div + div { border-left: 1px solid var(--border); }
.about-facts { display: flex; flex-direction: column; justify-content: center; gap: 2px; margin: 0; padding: clamp(20px, 2.4vw, 32px); background: var(--surface-2); border-left: 1px solid var(--border); }
.about-facts > div { padding: 12px 0; }
.about-facts > div + div { border-top: 1px solid var(--border); }
.about-facts dt, .about-glance dt { display: flex; align-items: center; gap: 8px; font-size: var(--fs-eyebrow); font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); }
.about-facts dt .icon, .about-glance dt .icon { color: var(--accent); }
.about-facts dd, .about-glance dd { margin: 4px 0 0 24px; display: flex; flex-direction: column; font-size: var(--fs-ui); font-weight: 600; color: var(--text); }
.about-facts dd span, .about-glance dd span { font-size: var(--fs-meta); font-weight: 500; color: var(--text-2); }

.about-story { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, 1fr); }
.about-story-text { display: flex; flex-direction: column; gap: 14px; padding: clamp(24px, 3vw, 36px); }
.about-path { display: flex; flex-direction: column; gap: 16px; padding: clamp(24px, 3vw, 36px); border-left: 1px solid var(--border); }
.path-list { position: relative; display: flex; flex-direction: column; gap: 18px; }
.path-list::before { content: ""; position: absolute; left: 15px; top: 16px; bottom: 16px; width: 2px; background: linear-gradient(var(--border-strong), var(--accent)); }
.path-step { position: relative; display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 14px; }
.path-icon { position: relative; z-index: 1; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; color: var(--text-2); background: var(--surface); border: 1.5px solid var(--border-strong); }
.path-step.is-current .path-icon { color: var(--text-on-accent); background: var(--accent-solid); border-color: var(--accent-solid); box-shadow: 0 0 0 4px var(--accent-soft); }
.path-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: var(--fs-eyebrow); color: var(--text-3); font-weight: 500; }
.path-meta span { font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
.path-title { margin-top: 2px; font-size: var(--fs-ui); font-weight: 650; color: var(--text); }
.path-detail { font-size: var(--fs-meta); color: var(--text-2); line-height: 1.5; }

.about-method-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px 32px; margin-bottom: var(--sp-5); }
.about-method-head .eyebrow { margin-bottom: 6px; }
.about-quote { max-width: 46ch; padding-left: 16px; border-left: 3px solid var(--accent-2); font-size: var(--fs-ui); font-weight: 600; font-style: italic; color: var(--text-2); }
.method-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-4); }
.method-card { display: flex; flex-direction: column; gap: 10px; padding: 22px; transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease); }
.method-card:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); box-shadow: var(--shadow-md); }
.method-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.method-icon { display: inline-grid; place-items: center; flex-shrink: 0; width: 38px; height: 38px; border-radius: 10px; color: var(--accent); background: var(--accent-soft); }
.method-num { font-size: 1.5rem; font-weight: 750; letter-spacing: 0; color: var(--border-strong); font-variant-numeric: tabular-nums; }
.method-card h3 { font-size: var(--fs-h3); font-weight: 650; letter-spacing: 0; }
.method-card p { font-size: var(--fs-meta); line-height: 1.6; color: var(--text-2); }

.cap-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-4); }
.cap-card { padding: 22px; }
.cap-card h3 { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; font-size: var(--fs-ui); font-weight: 650; }
.cap-card ul { display: flex; flex-direction: column; gap: 8px; }
.cap-card li { display: flex; align-items: center; gap: 8px; font-size: var(--fs-meta); color: var(--text-2); }
.cap-card li .icon { flex-shrink: 0; color: var(--positive); }

.about-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-4); }
.prose { display: flex; flex-direction: column; gap: 14px; color: var(--text-2); max-width: var(--prose-max); }
.prose p { line-height: 1.75; }
.edu-list { display: flex; flex-direction: column; gap: 16px; }
.edu-list li { display: flex; align-items: center; gap: 14px; }
.edu-list li > div { display: flex; flex-direction: column; }
.edu-list strong { font-weight: 600; color: var(--text); }
.edu-list li > div > span { font-size: var(--fs-meta); color: var(--text-3); }
.edu-list em { color: var(--accent-2-text); font-style: normal; font-weight: 600; }
.about-personal { font-size: var(--fs-meta); line-height: 1.6; color: var(--text-2); margin-bottom: 16px; }
.interest-tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.interest-tile { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; min-height: 88px; padding: 12px; border-radius: var(--radius); background: var(--surface-2); border: 1px solid var(--border); color: var(--text); font-size: var(--fs-meta); font-weight: 600; text-decoration: none; }
.interest-tile .icon { color: var(--accent); }
a.interest-tile { transition: border-color 200ms var(--ease), background 200ms var(--ease); }
a.interest-tile:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }

@media (max-width: 1199px) {
  .method-grid, .cap-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 899px) {
  .about-story { grid-template-columns: minmax(0, 1fr); }
  .about-path { border-left: 0; border-top: 1px solid var(--border); }
}

/* Contact */
/* Contact */
.contact-hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 320px); overflow: hidden; isolation: isolate; }
.contact-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 45%),
    radial-gradient(circle at 70% 120%, color-mix(in srgb, var(--accent-2) 10%, transparent), transparent 50%);
}
.contact-hero-main { display: flex; flex-direction: column; gap: 14px; padding: clamp(24px, 3.4vw, 48px); }
.contact-email { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin: 8px 0 4px; }
.contact-email-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; color: var(--text-on-accent); background: var(--accent-solid); box-shadow: 0 8px 20px -8px var(--accent-solid); }
.contact-email-link { display: inline-flex; align-items: center; gap: 16px; min-width: 0; padding: 8px 22px 8px 8px; border-radius: 16px; border: 1px solid var(--border-strong); background: var(--surface); box-shadow: var(--shadow-sm); text-decoration: none; transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease), transform 200ms var(--ease); }
.contact-email-link:hover { border-color: var(--accent); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.contact-email-address { min-width: 0; font-size: clamp(1.25rem, 1rem + 1vw, 1.875rem); font-weight: 700; letter-spacing: 0; color: var(--text); overflow-wrap: anywhere; transition: color 200ms var(--ease); }
.contact-email-link:hover .contact-email-address { color: var(--accent); }
.contact-hero .about-facts a { font-weight: 600; }
.contact-resume-links { gap: 4px; }

.contact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-4); }
.contact-card { position: relative; display: flex; flex-direction: column; gap: 4px; padding: 22px; transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease), transform 200ms var(--ease); }
.contact-card:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.contact-card-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 12px; }
.contact-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); flex-shrink: 0; }
.contact-go { color: var(--text-3); transition: color 200ms var(--ease), transform 200ms var(--ease); }
.contact-card:hover .contact-go { color: var(--accent); transform: translate(2px, -2px); }
.contact-card strong { font-size: var(--fs-h3); font-weight: 650; }
.contact-card a { color: var(--text); text-decoration: none; }
.contact-handle { font-size: var(--fs-meta); color: var(--text-2); overflow-wrap: anywhere; }
.contact-action { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); font-size: var(--fs-eyebrow); font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }


@media (max-width: 1100px) {
  .contact-hero { grid-template-columns: minmax(0, 1fr); }
  .contact-hero .about-facts { border-left: 0; border-top: 1px solid var(--border); }
}
@media (max-width: 760px) {
  .contact-grid { grid-template-columns: minmax(0, 1fr); }
}

/* Photography */
.photo-grid { columns: 3 280px; column-gap: var(--sp-4); }
.photo-grid figure { break-inside: avoid; margin-bottom: var(--sp-4); }
.photo-grid img { border-radius: var(--radius); }
.photo-grid figcaption { font-size: var(--fs-meta); color: var(--text-3); margin-top: 6px; }
.empty-state { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 64px 24px; text-align: center; color: var(--text-2); }
.empty-state .gate-icon { width: 52px; height: 52px; }

/* -------------------------------------------------------------- RESPONSIVE */

@media (max-width: 1279px) {
  .ws { grid-template-columns: minmax(0, 1fr); }
  .ws-side { position: static; max-height: none; }
  .ws-toc { padding: 16px 18px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); }
  .ws-toc-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); border-left: 0; gap: 2px 12px; }
  .ws-toc-list a { border-left: 0; margin-left: 0; padding: 6px 0; }
  .cs-summary { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 1100px) {
}

@media (max-width: 1023px) {
  .app-main { margin-left: 0; }
  .sidebar {
    width: min(300px, 86vw); transform: translateX(-102%); visibility: hidden;
    transition: transform 240ms var(--ease), visibility 0s linear 240ms;
    box-shadow: var(--shadow-lg);
  }
  .sidebar[data-open] { transform: none; visibility: visible; transition: transform 240ms var(--ease); }
  .topbar .nav-toggle, .sidebar .sidebar-close { display: inline-grid; }
  .sidebar-close { color: var(--nav-text); }
  .sidebar-close:hover { background: var(--nav-hover); color: var(--nav-hover-fg); }
  .topbar-brand { display: inline-flex; }
  .cs-header { grid-template-columns: minmax(0, 1fr); }
  .hero { flex-direction: column-reverse; align-items: stretch; min-height: 0; }
  .hero-main { width: 100%; }
  .hero-visual { position: relative; inset: auto; width: 100%; height: 220px; }
  .hero-img { -webkit-mask-image: linear-gradient(180deg, #000 55%, transparent 100%); mask-image: linear-gradient(180deg, #000 55%, transparent 100%); }
}

@media (max-width: 720px) {
  :root { --topbar-h: 56px; }
  .about-intro .hero-actions { flex-wrap: wrap; }
  .page { padding-top: var(--sp-6); }
  .evidence-kind { flex-basis: 74px; }
  .metric-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-strip > .metric + .metric { border-left: 0; }
  .metric-strip > .metric:nth-child(even) { border-left: 1px solid var(--border); }
  .metric-strip > .metric:nth-child(n + 3) { border-top: 1px solid var(--border); }
  .metric { padding: 16px; }
  .trace { grid-template-columns: minmax(0, 1fr); }
  .trace-step, .trace-step:first-child, .trace-step:last-child { border-radius: 0; border-left: 1px solid var(--border); }
  .trace-step:first-child { border-radius: var(--radius) var(--radius) 0 0; }
  .trace-step:last-child { border-radius: 0 0 var(--radius) var(--radius); }
  .trace-step + .trace-step { border-top: 0; }
  .trace-step:not(:last-child)::after { right: auto; left: 24px; top: auto; bottom: -9px; transform: rotate(135deg); }
  .about-profile-main { grid-template-columns: minmax(0, 1fr); gap: var(--sp-5); }
  .about-photo { width: 120px; border-radius: 18px; }
  .about-glance { grid-template-columns: minmax(0, 1fr); }
  .about-glance > div + div { border-left: 0; border-top: 1px solid var(--border); }
  .about-grid, .method-grid, .cap-grid, .about-facts { grid-template-columns: minmax(0, 1fr); }
  .timeline::before { left: 7px; }
  .timeline-item { grid-template-columns: 16px minmax(0, 1fr); gap: 12px; }
  .timeline-marker { width: 16px; height: 16px; }
  .timeline-item.is-active .timeline-marker::after { inset: 3px; }
  .timeline-progress { left: 7px; }
  .timeline-card { padding: 18px; }
  .timeline-meta { text-align: left; }
  .cs-pager { grid-template-columns: minmax(0, 1fr); }
  .cs-pager .pager-next { text-align: left; align-items: flex-start; }
  .pull-quote { padding: 24px; grid-template-columns: minmax(0, 1fr); }
  .explorer-row-end { margin-left: 0; }
  .data-table th, .data-table td { padding: 10px 12px; }
  .gate { padding: 24px; }
  .panel, .cs-summary-main { padding: 20px; }
}

@media (max-width: 420px) {
  .hero-actions .btn { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

@media print {
  .sidebar, .topbar, .site-footer, .ws-side, .gate, .explorer-toolbar { display: none !important; }
  .app-main { margin: 0; }
  body { background: #fff; }
}