/* ============================================================
   Olivier Ueno. portfolio
   Built on Ueno Systems tokens. IBM Plex layered on top.
   ============================================================ */

/* Import the design system tokens verbatim, then override the
   font stack to load IBM Plex Sans / Mono at the front. */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  /* Brought in from Ueno Systems colors_and_type.css ---------- */
  --u-gray-0:  #ffffff;
  --u-gray-50: #fafafa;
  --u-gray-100: #f5f5f5;
  --u-gray-150: #f0f0f0;
  --u-gray-200: #e5e5e5;
  --u-gray-300: #d4d4d4;
  --u-gray-400: #a3a3a3;
  --u-gray-500: #737373;
  --u-gray-600: #525252;
  --u-gray-700: #404040;
  --u-gray-800: #262626;
  --u-gray-900: #171717;
  --u-gray-950: #0a0a0a;

  --u-bg:           var(--u-gray-0);
  --u-bg-elevated:  var(--u-gray-50);
  --u-bg-hover:     var(--u-gray-150);
  --u-card:         var(--u-gray-0);
  --u-border:       var(--u-gray-200);
  --u-border-hover: var(--u-gray-300);
  --u-border-light: #f0f0f0;

  --u-fg:           var(--u-gray-900);
  --u-fg-secondary: var(--u-gray-600);
  --u-fg-muted:     var(--u-gray-500);
  --u-fg-faint:     var(--u-gray-400);

  /* Accent. defaults to deep slate. Cycled by Tweaks. */
  --u-primary:        #2c3e50;
  --u-primary-hover:  #1e2c3a;
  --u-primary-fg:     #ffffff;
  --u-focus-ring:     0 0 0 3px color-mix(in oklab, var(--u-primary) 18%, transparent);

  --u-positive: #22c55e;
  --u-negative: #ef4444;
  --u-warning:  #eab308;

  /* Plex layered on top of the system stack */
  --u-font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --u-font-mono: "IBM Plex Mono", "SF Mono", Menlo, Monaco, "Cascadia Code", monospace;

  --u-text-2xs: 0.6875rem;
  --u-text-xs:  0.75rem;
  --u-text-sm:  0.875rem;
  --u-text-base: 1rem;
  --u-text-md:  1.0625rem;
  --u-text-lg:  1.125rem;
  --u-text-xl:  1.25rem;
  --u-text-2xl: 1.5rem;
  --u-text-3xl: 1.875rem;
  --u-text-4xl: 2.5rem;
  --u-text-5xl: 3.5rem;
  --u-text-6xl: 5rem;
  --u-text-display: 2.625rem;

  --u-weight-light:    300;
  --u-weight-regular:  400;
  --u-weight-medium:   500;
  --u-weight-semibold: 600;

  --u-leading-tight: 1.15;
  --u-leading-snug:  1.4;
  --u-leading-base:  1.55;

  --u-tracking-eyebrow: 0.12em;
  --u-tracking-cap:     0.05em;
  --u-tracking-tight:   -0.02em;
  --u-tracking-tighter: -0.035em;

  --u-space-2xs: 0.125rem;
  --u-space-xs:  0.25rem;
  --u-space-sm:  0.5rem;
  --u-space-md:  1rem;
  --u-space-lg:  1.5rem;
  --u-space-xl:  2rem;
  --u-space-2xl: 2.5rem;
  --u-space-3xl: 3rem;
  --u-space-4xl: 4rem;
  --u-space-5xl: 6rem;
  --u-space-6xl: 8rem;

  --u-radius-sm:   2px;
  --u-radius-md:   4px;
  --u-radius-lg:   8px;
  --u-radius-full: 9999px;

  --u-transition-fast: 0.1s ease;
  --u-transition-base: 0.18s ease;
  --u-transition-slow: 0.3s ease;

  --u-container-narrow: 960px;
  --u-container-wide:   1240px;
  --u-container-bleed:  1480px;

  /* Density. scales section padding */
  --density: 1;

  color-scheme: light;
}

[data-theme="dark"] {
  --u-bg:           #0a0a0a;
  --u-bg-elevated:  #141414;
  --u-bg-hover:     #1c1c1c;
  --u-card:         #111111;
  --u-border:       #262626;
  --u-border-hover: #353535;
  --u-border-light: #1a1a1a;

  --u-fg:           #fafafa;
  --u-fg-secondary: #a3a3a3;
  --u-fg-muted:     #737373;
  --u-fg-faint:     #525252;

  --u-primary-fg:   #fafafa;

  color-scheme: dark;
}

/* Accent presets driven by data-accent on <html> */
[data-accent="slate"]    { --u-primary: #2c3e50; --u-primary-hover: #1e2c3a; }
[data-accent="steel"]    { --u-primary: #3a5a7c; --u-primary-hover: #2a4660; }
[data-accent="oxide"]    { --u-primary: #b85c38; --u-primary-hover: #944626; }
[data-accent="graphite"] { --u-primary: #5a5448; --u-primary-hover: #423d33; }

/* Density */
[data-density="compact"]  { --u-space-5xl: 4rem;  --u-space-6xl: 5.5rem; }
[data-density="generous"] { --u-space-5xl: 7rem;  --u-space-6xl: 10rem;  }

/* ============================================================
   Reset + base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--u-font-sans);
  font-size: var(--u-text-base);
  line-height: var(--u-leading-base);
  color: var(--u-fg);
  background: var(--u-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
  transition: background-color var(--u-transition-base), color var(--u-transition-base);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; padding: 0; cursor: pointer; }
hr { border: 0; border-top: 1px solid var(--u-border); margin: 0; }

h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: var(--u-weight-regular); color: var(--u-fg); }
p { margin: 0; }

::selection { background: var(--u-primary); color: var(--u-primary-fg); }

/* ============================================================
   Utilities
   ============================================================ */
.mono       { font-family: var(--u-font-mono); font-variant-numeric: tabular-nums; }
.eyebrow    {
  font-family: var(--u-font-mono);
  font-size: var(--u-text-2xs);
  font-weight: var(--u-weight-regular);
  text-transform: uppercase;
  letter-spacing: var(--u-tracking-eyebrow);
  color: var(--u-fg-muted);
}
.fg-muted   { color: var(--u-fg-muted); }
.fg-faint   { color: var(--u-fg-faint); }
.fg-second  { color: var(--u-fg-secondary); }
.accent     { color: var(--u-primary); }
.tnum       { font-variant-numeric: tabular-nums; }

.divider { height: 1px; background: var(--u-border); width: 100%; }
.divider-tight { height: 1px; background: var(--u-border-light); width: 100%; }

.shell {
  max-width: var(--u-container-wide);
  margin: 0 auto;
  padding-inline: clamp(20px, 4vw, 48px);
}
.shell-narrow { max-width: var(--u-container-narrow); margin: 0 auto; padding-inline: clamp(20px, 4vw, 48px); }
.shell-bleed  { max-width: var(--u-container-bleed); margin: 0 auto; padding-inline: clamp(20px, 4vw, 48px); }

/* ============================================================
   Top nav
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in oklab, var(--u-bg) 92%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--u-border-light);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--u-space-md);
  padding-block: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--u-font-mono);
  font-size: var(--u-text-sm);
  letter-spacing: 0.02em;
  color: var(--u-fg);
}
.brand .mark {
  width: 22px;
  height: 22px;
  border: 1px solid var(--u-fg);
  border-radius: 2px;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.brand-name { font-weight: 500; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  font-family: var(--u-font-mono);
  font-size: var(--u-text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--u-fg-muted);
  padding: 8px 12px;
  border-radius: var(--u-radius-sm);
  transition: color var(--u-transition-base), background var(--u-transition-base);
  cursor: pointer;
  white-space: nowrap;
}
.nav-link:hover { color: var(--u-fg); }
.nav-link.is-active { color: var(--u-fg); }
.nav-link.is-active::after {
  content: "";
  display: block;
  height: 1px;
  background: var(--u-fg);
  margin-top: 4px;
  margin-inline: 12px;
  margin-bottom: -9px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--u-font-mono);
  font-size: var(--u-text-xs);
  color: var(--u-fg-muted);
}
.nav-kbd-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-sm);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--u-fg-muted);
  cursor: pointer;
  transition: border-color var(--u-transition-base), color var(--u-transition-base);
}
.nav-kbd-hint:hover { border-color: var(--u-fg); color: var(--u-fg); }
.kbd {
  font-family: var(--u-font-mono);
  font-size: 10px;
  padding: 1px 5px;
  border: 1px solid var(--u-border);
  border-radius: 2px;
  background: var(--u-bg-elevated);
  color: var(--u-fg-secondary);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--u-positive);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--u-positive) 18%, transparent);
  display: inline-block;
}

/* Theme toggle (sun/moon) ----------------------------------- */
.nav-theme {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 28px;
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-sm);
  color: var(--u-fg-secondary);
  background: transparent;
  transition: border-color var(--u-transition-base), color var(--u-transition-base);
  cursor: pointer;
}
.nav-theme:hover { border-color: var(--u-fg); color: var(--u-fg); }
.nav-theme-glyph { font-size: 14px; line-height: 1; }
.nav-theme-dot {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: transparent;
  transition: background var(--u-transition-base);
}
.nav-theme-dot[data-auto="1"] { background: var(--u-primary); }

@media (max-width: 700px) {
  .nav-right .nav-kbd-hint,
  .nav-right .nav-time { display: none; }
  .nav-links { gap: 0; }
  .nav-link  { padding: 8px; font-size: 10px; }
}

/* ============================================================
   Footer
   ============================================================ */
.foot {
  border-top: 1px solid var(--u-border-light);
  margin-top: var(--u-space-6xl);
}
.foot-inner {
  padding-block: var(--u-space-2xl) var(--u-space-xl);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--u-space-xl);
  align-items: start;
}
.foot-col { display: flex; flex-direction: column; gap: 8px; }
.foot a:hover { color: var(--u-fg); border-bottom-color: var(--u-fg); }
.foot-link {
  font-size: var(--u-text-sm);
  color: var(--u-fg-secondary);
  border-bottom: 1px solid transparent;
  width: max-content;
  padding-bottom: 1px;
}
.foot-meta {
  margin-top: var(--u-space-xl);
  padding-block: var(--u-space-md);
  border-top: 1px solid var(--u-border-light);
  display: flex;
  justify-content: space-between;
  font-family: var(--u-font-mono);
  font-size: 11px;
  color: var(--u-fg-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
@media (max-width: 700px) {
  .foot-inner { grid-template-columns: 1fr; gap: var(--u-space-lg); }
  .foot-meta { flex-direction: column; gap: 8px; }
}

/* ============================================================
   Page chrome
   ============================================================ */
.page {
  padding-block: var(--u-space-5xl);
  animation: fadeIn 0.35s ease both;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Page header. used on project / about / contact pages */
.page-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--u-space-3xl);
  align-items: end;
  padding-bottom: var(--u-space-2xl);
  border-bottom: 1px solid var(--u-border);
  margin-bottom: var(--u-space-3xl);
}
.page-head .lead h1 {
  font-size: clamp(2rem, 4.5vw, var(--u-text-4xl));
  font-weight: var(--u-weight-light);
  letter-spacing: var(--u-tracking-tight);
  line-height: 1.05;
}
.page-head .lead .eyebrow { margin-bottom: 16px; display: block; }
.page-head .meta {
  display: grid;
  grid-template-columns: max-content 1fr;
  row-gap: 6px;
  column-gap: var(--u-space-xl);
  font-family: var(--u-font-mono);
  font-size: var(--u-text-xs);
  color: var(--u-fg-secondary);
}
.page-head .meta dt {
  color: var(--u-fg-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.page-head .meta dd { margin: 0; color: var(--u-fg); }
@media (max-width: 800px) {
  .page-head { grid-template-columns: 1fr; gap: var(--u-space-lg); }
}

/* ============================================================
   HOME. common pieces
   ============================================================ */
.intro-paragraph {
  font-size: clamp(1.05rem, 1.4vw, var(--u-text-md));
  line-height: 1.6;
  color: var(--u-fg-secondary);
  max-width: 56ch;
  text-wrap: pretty;
}
.intro-paragraph strong { color: var(--u-fg); font-weight: var(--u-weight-medium); }

.now-block {
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-md);
  padding: var(--u-space-lg);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.now-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--u-space-md);
  font-size: var(--u-text-sm);
}
.now-row .k {
  font-family: var(--u-font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--u-fg-muted);
}
.now-row .v { color: var(--u-fg); font-family: var(--u-font-mono); font-size: var(--u-text-xs); }
.now-row .v.long { font-family: var(--u-font-sans); font-size: var(--u-text-sm); text-align: right; }

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: var(--u-space-lg);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-sm);
  font-family: var(--u-font-mono);
  font-size: var(--u-text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--u-fg);
  background: var(--u-card);
  transition: border-color var(--u-transition-base), background var(--u-transition-base), color var(--u-transition-base);
  cursor: pointer;
}
.btn:hover { border-color: var(--u-fg); }
.btn.primary {
  background: var(--u-primary);
  border-color: var(--u-primary);
  color: var(--u-primary-fg);
}
.btn.primary:hover { background: var(--u-primary-hover); border-color: var(--u-primary-hover); }
.btn .arrow { transition: transform var(--u-transition-base); }
.btn:hover .arrow { transform: translateX(3px); }

/* ============================================================
   HOME. Direction A: Editorial / Asymmetric
   ============================================================ */
.home-a .hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.85fr);
  gap: var(--u-space-4xl);
  align-items: start;
  padding-block: var(--u-space-2xl) var(--u-space-5xl);
}
.home-a .hero h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: var(--u-weight-light);
  letter-spacing: var(--u-tracking-tighter);
  line-height: 0.98;
}
.home-a .hero h1 .name { display: block; }
.home-a .hero h1 .surname { display: block; color: var(--u-primary); }
.home-a .position {
  margin-top: var(--u-space-xl);
  font-size: clamp(1.05rem, 1.4vw, 1.15rem);
  line-height: 1.5;
  color: var(--u-fg-secondary);
  max-width: 38ch;
  text-wrap: pretty;
}
.home-a .position .accented { color: var(--u-fg); }
.home-a .hero .right { display: flex; flex-direction: column; gap: var(--u-space-lg); margin-top: 8px; }
@media (max-width: 900px) {
  .home-a .hero { grid-template-columns: 1fr; gap: var(--u-space-2xl); }
}

/* ============================================================
   HOME. Direction B: Technical / Spec sheet
   ============================================================ */
.home-b {
  background-image:
    linear-gradient(to right, var(--u-border-light) 1px, transparent 1px),
    linear-gradient(to bottom, var(--u-border-light) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
}
.home-b .hero-frame {
  border: 1px solid var(--u-border);
  background: var(--u-bg);
  padding: 0;
  margin-block: var(--u-space-xl);
}
.home-b .title-block {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  border-bottom: 1px solid var(--u-border);
}
.home-b .title-block .left {
  padding: var(--u-space-2xl);
  border-right: 1px solid var(--u-border);
}
.home-b .title-block h1 {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: var(--u-weight-regular);
  letter-spacing: var(--u-tracking-tight);
  line-height: 1;
}
.home-b .title-block .position {
  margin-top: var(--u-space-md);
  color: var(--u-fg-secondary);
  font-size: var(--u-text-base);
  max-width: 44ch;
}
.home-b .title-block .right { padding: var(--u-space-xl); }
.home-b .spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  row-gap: 10px;
  column-gap: var(--u-space-md);
  font-family: var(--u-font-mono);
  font-size: var(--u-text-xs);
}
.home-b .spec-grid dt { color: var(--u-fg-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.home-b .spec-grid dd { margin: 0; color: var(--u-fg); text-align: right; }

.home-b .body-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  min-height: 200px;
}
.home-b .body-row .body {
  padding: var(--u-space-2xl);
  border-right: 1px solid var(--u-border);
}
.home-b .body-row .body .intro-paragraph { max-width: 50ch; }
.home-b .body-row .meta-col { padding: var(--u-space-xl); display: flex; flex-direction: column; gap: 12px; }
@media (max-width: 900px) {
  .home-b .title-block, .home-b .body-row { grid-template-columns: 1fr; }
  .home-b .title-block .left, .home-b .body-row .body { border-right: 0; border-bottom: 1px solid var(--u-border); }
}

/* ============================================================
   HOME. Direction C: Catalogue (with absorbed technical character)
   ============================================================ */
.home-c {
  position: relative;
}

/* Registration marks in viewport corners. like a printed plate */
.home-c .reg-marks {
  position: absolute;
  pointer-events: none;
  inset: var(--u-space-xl) clamp(20px, 4vw, 48px);
  z-index: 0;
}
.home-c .reg-marks span {
  position: absolute;
  width: 14px;
  height: 14px;
  color: var(--u-fg-faint);
  font-family: var(--u-font-mono);
  font-size: 14px;
  line-height: 1;
  opacity: 0.55;
}
.home-c .reg-marks .tl { top: 0; left: 0; }
.home-c .reg-marks .tr { top: 0; right: 0; text-align: right; }

/* Drawing-style metadata strip above the hero */
.home-c .dwg-strip {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--u-space-md);
  padding-block: 14px;
  border-bottom: 1px solid var(--u-border);
  font-family: var(--u-font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--u-fg-muted);
}
.home-c .dwg-strip .left,
.home-c .dwg-strip .right {
  display: flex;
  gap: var(--u-space-lg);
  flex-wrap: wrap;
}
.home-c .dwg-strip .right .accent-tag { color: var(--u-fg); }
.home-c .dwg-strip .dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--u-positive);
  margin-right: 6px;
  vertical-align: middle;
}
@media (max-width: 700px) {
  .home-c .dwg-strip { flex-direction: column; align-items: flex-start; gap: 8px; font-size: 10px; }
}

.home-c .hero {
  padding-block: clamp(var(--u-space-4xl), 11vw, var(--u-space-6xl));
  text-align: center;
  position: relative;
}
.home-c .hero .eyebrow { display: block; margin-bottom: var(--u-space-md); }
.home-c .hero h1 {
  font-size: clamp(3rem, 11vw, 9rem);
  font-weight: var(--u-weight-light);
  letter-spacing: -0.045em;
  line-height: 0.92;
}
.home-c .hero h1 .surname { color: var(--u-primary); }

/* Hairline measurement under the title. like a dimension line */
.home-c .dim-line {
  display: grid;
  grid-template-columns: 1fr max-content 1fr;
  align-items: center;
  gap: 14px;
  margin: var(--u-space-xl) auto var(--u-space-md);
  max-width: 480px;
  font-family: var(--u-font-mono);
  font-size: 11px;
  color: var(--u-fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.home-c .dim-line .line {
  position: relative;
  height: 1px;
  background: var(--u-border);
}
.home-c .dim-line .line::before,
.home-c .dim-line .line::after {
  content: "";
  position: absolute;
  top: -3px;
  width: 1px;
  height: 7px;
  background: var(--u-border-hover);
}
.home-c .dim-line .line::before { left: 0; }
.home-c .dim-line .line::after  { right: 0; }

.home-c .hero .position {
  margin: var(--u-space-md) auto 0;
  max-width: 56ch;
  font-size: var(--u-text-lg);
  color: var(--u-fg-secondary);
  text-wrap: balance;
}
.home-c .hero .cta-row { justify-content: center; }

/* Specification row. replaces dense intro with a spec sheet */
.home-c .spec-strip {
  border-top: 1px solid var(--u-fg);
  border-bottom: 1px solid var(--u-border);
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin-top: var(--u-space-4xl);
}
.home-c .spec-strip .cell {
  padding: var(--u-space-lg) var(--u-space-md);
  border-right: 1px solid var(--u-border-light);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.home-c .spec-strip .cell:last-child { border-right: 0; }
.home-c .spec-strip .k {
  font-family: var(--u-font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--u-fg-muted);
}
.home-c .spec-strip .v {
  font-family: var(--u-font-mono);
  font-size: var(--u-text-sm);
  color: var(--u-fg);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.005em;
}
.home-c .spec-strip .v.long {
  font-family: var(--u-font-sans);
  font-size: var(--u-text-sm);
}
.home-c .spec-strip .v .dot { color: var(--u-positive); margin-right: 4px; }
@media (max-width: 900px) {
  .home-c .spec-strip { grid-template-columns: repeat(2, 1fr); }
  .home-c .spec-strip .cell { border-bottom: 1px solid var(--u-border-light); }
  .home-c .spec-strip .cell:nth-child(odd) { border-right: 1px solid var(--u-border-light); }
}

/* Disciplines strip. full-width, monospace, scrollable on overflow */
.home-c .disciplines {
  display: flex;
  align-items: center;
  gap: var(--u-space-lg);
  padding-block: var(--u-space-md);
  border-bottom: 1px solid var(--u-border);
  font-family: var(--u-font-mono);
  font-size: 11px;
  color: var(--u-fg-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  overflow-x: auto;
  scrollbar-width: none;
}
.home-c .disciplines::-webkit-scrollbar { display: none; }
.home-c .disciplines .k {
  color: var(--u-fg-faint);
  flex-shrink: 0;
}
.home-c .disciplines .items {
  display: flex;
  gap: var(--u-space-md);
  flex-wrap: nowrap;
}
.home-c .disciplines .items span {
  white-space: nowrap;
  color: var(--u-fg);
}
.home-c .disciplines .items span + span::before {
  content: "·";
  color: var(--u-fg-faint);
  margin-right: var(--u-space-md);
}

/* The old intro-row is no longer used in C; keep for safety */
.home-c .below-divider { display: none; }

/* ============================================================
   PROJECT INDEX (used across all home directions)
   ============================================================ */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-block: var(--u-space-md);
  border-bottom: 1px solid var(--u-fg);
  margin-bottom: var(--u-space-lg);
}
.section-head h2 {
  font-size: var(--u-text-xl);
  font-weight: var(--u-weight-medium);
  letter-spacing: -0.01em;
}
.section-head .count {
  font-family: var(--u-font-mono);
  font-size: var(--u-text-xs);
  color: var(--u-fg-muted);
  letter-spacing: 0.05em;
}

/* THUMB STYLE: IMAGE-LED ------------------------------------- */
.proj-grid--image {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--u-space-xl);
  margin-bottom: var(--u-space-4xl);
}
@media (max-width: 900px) {
  .proj-grid--image { grid-template-columns: repeat(2, 1fr); gap: var(--u-space-lg); }
  .proj-grid--image .proj-card--image,
  .proj-grid--image .proj-card--image h3,
  .proj-grid--image .proj-card--image .desc { text-align: center; }
  /* iOS Safari needs explicit width on flex children to stretch them;
     otherwise short text like "AVA Light" stays at content-width and
     sits at the left of the card. */
  .proj-grid--image .proj-card--image h3,
  .proj-grid--image .proj-card--image .desc {
    width: 100%;
    align-self: stretch;
  }
  .proj-grid--image .proj-card--image .meta { justify-content: center; gap: 14px; width: 100%; }
}
@media (max-width: 600px) {
  .proj-grid--image { grid-template-columns: 1fr; gap: var(--u-space-xl); }
  .proj-grid--image .proj-card--image .desc { margin-inline: auto; max-width: 44ch; }
}
.proj-card--image {
  display: flex;
  flex-direction: column;
  gap: var(--u-space-md);
  cursor: pointer;
  transition: transform var(--u-transition-base);
}
.proj-card--image:hover { transform: translateY(-2px); }
.proj-card--image .thumb {
  width: 100%;
  background-color: var(--u-bg-elevated);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-md);
  position: relative;
  overflow: hidden;
  transition: border-color var(--u-transition-base);
}
/* Use padding-top trick for 4:5 aspect ratio (universal browser support).
   125% = height as 5/4 of width. Pre-iOS 15.4 doesn't support CSS aspect-ratio. */
.proj-card--image .thumb::before {
  content: "";
  display: block;
  padding-top: 125%;
}
.proj-card--image:hover .thumb { border-color: var(--u-fg); }
.proj-card--image .num {
  position: absolute;
  top: 14px;
  left: 14px;
  font-family: var(--u-font-mono);
  font-size: 11px;
  color: var(--u-fg-muted);
  letter-spacing: 0.05em;
}
.proj-card--image .badge {
  position: absolute;
  bottom: 14px;
  right: 14px;
  font-family: var(--u-font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  border: 1px solid var(--u-border);
  border-radius: 2px;
  background: var(--u-bg);
  color: var(--u-fg-secondary);
}
.proj-card--image .meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--u-font-mono);
  font-size: 11px;
  color: var(--u-fg-muted);
  letter-spacing: 0.04em;
}
.proj-card--image h3 {
  font-size: var(--u-text-lg);
  font-weight: var(--u-weight-medium);
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.proj-card--image .desc { font-size: var(--u-text-sm); color: var(--u-fg-secondary); line-height: 1.45; }

/* THUMB STYLE: NUMBER-LED ----------------------------------- */
.proj-grid--number {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--u-space-4xl);
  border-top: 1px solid var(--u-border);
}
.proj-card--number {
  display: grid;
  grid-template-columns: 90px minmax(0, 1.4fr) minmax(0, 1fr) max-content;
  gap: var(--u-space-xl);
  align-items: center;
  padding-block: var(--u-space-2xl);
  border-bottom: 1px solid var(--u-border);
  cursor: pointer;
  transition: background var(--u-transition-base), padding-inline var(--u-transition-base);
}
.proj-card--number:hover { background: var(--u-bg-elevated); padding-inline: var(--u-space-md); }
.proj-card--number .num {
  font-family: var(--u-font-mono);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: var(--u-weight-light);
  color: var(--u-fg);
  letter-spacing: -0.05em;
  line-height: 1;
}
.proj-card--number h3 {
  font-size: clamp(1.5rem, 2.5vw, var(--u-text-2xl));
  font-weight: var(--u-weight-regular);
  letter-spacing: -0.015em;
  line-height: 1.1;
}
.proj-card--number .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--u-font-mono);
  font-size: 11px;
  color: var(--u-fg-muted);
  letter-spacing: 0.04em;
}
.proj-card--number .tag {
  padding: 3px 8px;
  border: 1px solid var(--u-border);
  border-radius: 2px;
}
.proj-card--number .meta-right {
  font-family: var(--u-font-mono);
  font-size: 11px;
  color: var(--u-fg-muted);
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.proj-card--number .meta-right .year { color: var(--u-fg); font-size: var(--u-text-xs); }
@media (max-width: 800px) {
  .proj-card--number { grid-template-columns: 60px 1fr; gap: var(--u-space-md); }
  .proj-card--number .tags, .proj-card--number .meta-right { display: none; }
}

/* THUMB STYLE: MINIMAL-TEXT (tabular register) -------------- */
.proj-grid--text {
  margin-bottom: var(--u-space-4xl);
  border-top: 1px solid var(--u-fg);
  border-bottom: 1px solid var(--u-border);
}
.proj-grid--text .row {
  display: grid;
  grid-template-columns: 40px minmax(0, 2fr) minmax(0, 1.2fr) 80px 100px 24px;
  gap: var(--u-space-md);
  align-items: center;
  padding-block: 14px;
  border-bottom: 1px solid var(--u-border-light);
  font-family: var(--u-font-mono);
  font-size: var(--u-text-xs);
  cursor: pointer;
  transition: background var(--u-transition-base), color var(--u-transition-base);
}
.proj-grid--text .row.header {
  cursor: default;
  color: var(--u-fg-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--u-bg);
  font-size: 10px;
}
.proj-grid--text .row.header:hover { background: var(--u-bg); color: var(--u-fg-faint); }
.proj-grid--text .row:hover { background: var(--u-bg-elevated); }
.proj-grid--text .row .title-cell { font-family: var(--u-font-sans); font-size: var(--u-text-sm); font-weight: var(--u-weight-medium); color: var(--u-fg); }
.proj-grid--text .row .arrow-cell { color: var(--u-fg-faint); text-align: right; }
.proj-grid--text .row:hover .arrow-cell { color: var(--u-fg); transform: translateX(2px); }
@media (max-width: 800px) {
  .proj-grid--text .row { grid-template-columns: 30px 1fr 60px 16px; }
  .proj-grid--text .row .role-cell, .proj-grid--text .row .status-cell { display: none; }
}

/* ============================================================
   IMAGE PLACEHOLDER
   ============================================================ */
.img-ph {
  background: var(--u-bg-elevated);
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-md);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--u-space-md);
  color: var(--u-fg-muted);
  font-family: var(--u-font-mono);
  min-height: 200px;
}
.img-ph::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, transparent 49.5%, var(--u-border-light) 49.5%, var(--u-border-light) 50.5%, transparent 50.5%);
  background-size: 36px 36px;
  opacity: 0.55;
  pointer-events: none;
}
.img-ph .ph-label {
  position: relative;
  z-index: 1;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--u-fg-muted);
}
.img-ph .ph-note {
  position: relative;
  z-index: 1;
  font-size: var(--u-text-xs);
  font-family: var(--u-font-sans);
  color: var(--u-fg-secondary);
  max-width: 32ch;
  text-wrap: pretty;
  background: var(--u-card);
  padding: 8px 12px;
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-sm);
  display: inline-block;
  align-self: flex-start;
}
.img-ph .ph-dim {
  position: relative;
  z-index: 1;
  align-self: flex-end;
  font-size: 10px;
  color: var(--u-fg-faint);
  letter-spacing: 0.05em;
}

/* ============================================================
   PROJECT PAGE. common
   ============================================================ */
.proj-body {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
  gap: var(--u-space-4xl);
  align-items: start;
}
.proj-body .main { display: flex; flex-direction: column; gap: var(--u-space-3xl); }
.proj-body .side { display: flex; flex-direction: column; gap: var(--u-space-xl); position: sticky; top: 88px; }
@media (max-width: 900px) {
  .proj-body { grid-template-columns: 1fr; }
  .proj-body .side { position: static; }
}

.section-title {
  font-family: var(--u-font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--u-fg-muted);
  margin-bottom: var(--u-space-md);
  padding-bottom: var(--u-space-sm);
  border-bottom: 1px solid var(--u-border-light);
  display: flex;
  justify-content: space-between;
}
.section-title .num { color: var(--u-fg-faint); }

.prose p {
  font-size: var(--u-text-base);
  line-height: 1.65;
  color: var(--u-fg);
  margin-bottom: var(--u-space-md);
  text-wrap: pretty;
  max-width: 64ch;
}
.prose p + p { margin-top: 0; }
.prose strong { font-weight: var(--u-weight-medium); }

/* Spec block. used on rig + ava ----------------------------- */
.spec-block {
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-md);
  padding: var(--u-space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  row-gap: 12px;
  column-gap: var(--u-space-lg);
}
.spec-block .spec {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--u-border-light);
}
.spec-block .spec:nth-last-child(-n+2) { border-bottom: 0; padding-bottom: 0; }
.spec-block .spec .k {
  font-family: var(--u-font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--u-fg-muted);
}
.spec-block .spec .v {
  font-family: var(--u-font-mono);
  font-size: var(--u-text-sm);
  color: var(--u-fg);
  font-variant-numeric: tabular-nums;
}
.spec-block .spec .v.lg {
  font-size: var(--u-text-xl);
  font-weight: var(--u-weight-medium);
  letter-spacing: -0.01em;
}

/* BOM table. AVA --------------------------------------------- */
.bom {
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-md);
  overflow: hidden;
}
.bom .bom-head {
  display: grid;
  grid-template-columns: 40px 1fr 100px 80px;
  gap: var(--u-space-md);
  padding: 10px var(--u-space-md);
  background: var(--u-bg-elevated);
  border-bottom: 1px solid var(--u-border);
  font-family: var(--u-font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--u-fg-muted);
}
.bom .bom-row {
  display: grid;
  grid-template-columns: 40px 1fr 100px 80px;
  gap: var(--u-space-md);
  padding: 10px var(--u-space-md);
  border-bottom: 1px solid var(--u-border-light);
  font-family: var(--u-font-mono);
  font-size: var(--u-text-xs);
  align-items: center;
}
.bom .bom-row:last-child { border-bottom: 0; }
.bom .bom-row .item { font-family: var(--u-font-sans); color: var(--u-fg); }
.bom .bom-row .item small { font-family: var(--u-font-mono); display: block; color: var(--u-fg-muted); font-size: 11px; margin-top: 2px; }
.bom .bom-row .qty, .bom .bom-row .ref, .bom .bom-row .idx { color: var(--u-fg-secondary); }
.bom .bom-row .idx { color: var(--u-fg-faint); }

/* Rig wind-region table ------------------------------------- */
.rig-region-table {
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-md);
  overflow: hidden;
}
.rig-region-head,
.rig-region-row {
  display: grid;
  grid-template-columns: 80px 1fr 1fr 1fr;
  gap: var(--u-space-md);
  padding: 10px var(--u-space-md);
  font-family: var(--u-font-mono);
  font-size: var(--u-text-xs);
  font-variant-numeric: tabular-nums;
  align-items: center;
}
.rig-region-head {
  background: var(--u-bg-elevated);
  border-bottom: 1px solid var(--u-border);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--u-fg-muted);
}
.rig-region-row {
  border-bottom: 1px solid var(--u-border-light);
  color: var(--u-fg);
}
.rig-region-row:last-child { border-bottom: 0; }
.rig-region-row .region {
  font-weight: var(--u-weight-medium);
  color: var(--u-fg);
  letter-spacing: 0.02em;
}

@media (max-width: 600px) {
  .rig-region-head,
  .rig-region-row {
    grid-template-columns: 60px 1fr 1fr;
    font-size: 11px;
  }
  .rig-region-head span:nth-child(4),
  .rig-region-row span:nth-child(4) { display: none; }
}

/* AVA gallery ------------------------------------------------ */
.ava-hero {
  aspect-ratio: 16/10;
  min-height: 320px;
  margin-bottom: var(--u-space-3xl);
  width: 100%;
  object-fit: cover;
  border-radius: var(--u-radius-md);
  background: var(--u-bg-elevated);
}
.ava-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--u-space-md);
}
.ava-grid > * {
  width: 100%;
  border-radius: var(--u-radius-md);
  background: var(--u-bg-elevated);
}
.ava-grid > img { object-fit: cover; }
.ava-grid .tall {
  grid-row: span 2;
  overflow: hidden;
  position: relative;
  min-height: 0;
}
.ava-grid .tall > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ava-grid .wide { aspect-ratio: 4/3; }

/* ============================================================
   STRATCO. diagram + stats
   ============================================================ */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--u-border);
  border-bottom: 1px solid var(--u-border);
}
.stat {
  padding: var(--u-space-lg) var(--u-space-md);
  border-right: 1px solid var(--u-border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat:last-child { border-right: 0; }
.stat .num {
  font-family: var(--u-font-mono);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--u-weight-light);
  color: var(--u-fg);
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat .num .unit { font-size: 0.55em; color: var(--u-fg-muted); margin-left: 4px; }
.stat .k {
  font-family: var(--u-font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--u-fg-muted);
  line-height: 1.3;
}
@media (max-width: 700px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--u-border); }
}

/* Project summary: Problem / Approach / Tools / Result ----- */
.patr {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--u-border);
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-md);
  overflow: hidden;
  margin-bottom: var(--u-space-2xl);
}
.patr-cell {
  background: var(--u-bg);
  padding: var(--u-space-md) var(--u-space-lg);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.patr-cell .k {
  font-family: var(--u-font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--u-fg-muted);
}
.patr-cell .v {
  font-size: var(--u-text-sm);
  line-height: 1.5;
  color: var(--u-fg);
  text-wrap: pretty;
}
@media (max-width: 900px) {
  .patr { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .patr { grid-template-columns: 1fr; }
  .patr-cell { padding: var(--u-space-sm) var(--u-space-md); }
}

/* Department workflow: proportional phase bar + equal cards */
.phase-bar {
  display: flex;
  gap: 0;
  margin-block: var(--u-space-md) var(--u-space-lg);
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-sm);
  overflow: hidden;
}
.phase-seg {
  padding: 16px 18px;
  background: var(--u-bg-elevated);
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
  position: relative;
  overflow: hidden;
  border-right: 1px solid var(--u-border);
}
.phase-seg:last-child { border-right: 0; }
.phase-seg::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--u-primary);
  opacity: 0.4;
}
.phase-seg--primary::before { opacity: 1; }
.phase-seg .seg-pct {
  font-family: var(--u-font-mono);
  font-size: var(--u-text-xl);
  font-weight: var(--u-weight-regular);
  color: var(--u-fg);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  line-height: 1;
}
.phase-seg .seg-name {
  font-family: var(--u-font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--u-fg-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.phase-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--u-space-md);
}
.phase-cards .phase-card {
  padding: var(--u-space-md) var(--u-space-md) var(--u-space-md) var(--u-space-md);
  background: var(--u-bg);
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-sm);
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  position: relative;
}
.phase-cards .phase-card::before {
  content: "";
  position: absolute;
  left: -1px; top: -1px; bottom: -1px;
  width: 3px;
  background: var(--u-fg-faint);
  border-radius: var(--u-radius-sm) 0 0 var(--u-radius-sm);
  opacity: 0.4;
}
.phase-cards .phase-card:nth-child(2)::before { background: var(--u-primary); opacity: 1; }
.phase-cards .phase-card h4 {
  font-family: var(--u-font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--u-fg-muted);
  font-weight: var(--u-weight-regular);
  margin: 0;
}
.phase-cards .phase-card .phase-card-sub {
  font-size: var(--u-text-sm);
  color: var(--u-fg);
  font-weight: var(--u-weight-medium);
  letter-spacing: -0.005em;
  margin: 2px 0 6px;
  line-height: 1.3;
}
.phase-cards .phase-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--u-font-mono);
  font-size: 11px;
  color: var(--u-fg-secondary);
  line-height: 1.4;
}

@media (max-width: 800px) {
  .phase-cards { grid-template-columns: 1fr; }
  .phase-seg .seg-name { display: none; }
  .phase-seg { padding: 12px; gap: 0; }
}

/* Department workflow diagram (legacy, no longer used) */
.dept-diagram {
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-md);
  padding: var(--u-space-xl);
  display: grid;
  grid-template-columns: 1fr 60px 1fr 60px 1fr;
  gap: 0;
  align-items: stretch;
  position: relative;
  margin-block: var(--u-space-lg);
}
.dept-node {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--u-space-md);
  background: var(--u-bg-elevated);
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-sm);
}
.dept-node .k {
  font-family: var(--u-font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--u-fg-muted);
}
.dept-node .v {
  font-size: var(--u-text-base);
  color: var(--u-fg);
  font-weight: var(--u-weight-medium);
  letter-spacing: -0.01em;
}
.dept-node ul {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: var(--u-font-mono);
  font-size: 11px;
  color: var(--u-fg-secondary);
}
.dept-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--u-fg-faint);
  font-family: var(--u-font-mono);
  font-size: var(--u-text-lg);
}
@media (max-width: 900px) {
  .dept-diagram { grid-template-columns: 1fr; gap: var(--u-space-md); padding: var(--u-space-md); }
  .dept-arrow { transform: rotate(90deg); padding: 4px 0; }
}

/* ============================================================
   ABOUT / CONTACT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 1fr);
  gap: var(--u-space-4xl);
  align-items: start;
}
.about-grid .prose p {
  font-size: var(--u-text-md);
  line-height: 1.65;
  color: var(--u-fg);
  margin-bottom: var(--u-space-lg);
  max-width: 60ch;
}
.about-grid .side-card {
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-md);
  padding: var(--u-space-lg);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.exp-list { display: flex; flex-direction: column; }
.exp-row {
  display: grid;
  grid-template-columns: 80px 1fr max-content;
  gap: var(--u-space-md);
  padding-block: 14px;
  border-bottom: 1px solid var(--u-border-light);
  font-size: var(--u-text-sm);
  align-items: baseline;
}
.exp-row:last-child { border-bottom: 0; }
.exp-row .when {
  font-family: var(--u-font-mono);
  font-size: 11px;
  color: var(--u-fg-muted);
  letter-spacing: 0.04em;
}
.exp-row .what { color: var(--u-fg); font-weight: var(--u-weight-medium); }
.exp-row .what small { display: block; font-weight: var(--u-weight-regular); color: var(--u-fg-secondary); font-size: var(--u-text-xs); margin-top: 2px; }
.exp-row .where {
  font-family: var(--u-font-mono);
  font-size: 11px;
  color: var(--u-fg-muted);
  text-align: right;
}
@media (max-width: 800px) {
  .about-grid { grid-template-columns: 1fr; }
  .exp-row { grid-template-columns: 1fr; gap: 4px; }
  .exp-row .where { text-align: left; }
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--u-space-xl);
}
.contact-grid--three {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 900px) {
  .contact-grid--three { grid-template-columns: 1fr 1fr; }
}
.contact-card {
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-md);
  padding: var(--u-space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--u-space-sm);
  transition: border-color var(--u-transition-base);
  cursor: pointer;
}
.contact-card:hover { border-color: var(--u-fg); }
.contact-card .label {
  font-family: var(--u-font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--u-fg-muted);
}
.contact-card .v {
  font-size: var(--u-text-xl);
  font-weight: var(--u-weight-regular);
  letter-spacing: -0.01em;
  color: var(--u-fg);
}
.contact-card .note {
  font-size: var(--u-text-sm);
  color: var(--u-fg-secondary);
  margin-top: 4px;
}
@media (max-width: 700px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Command palette
   ============================================================ */
.palette-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--u-gray-950) 30%, transparent);
  backdrop-filter: blur(2px);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 12vh;
  animation: fadeIn 0.15s ease both;
}
.palette {
  width: min(560px, 92vw);
  background: var(--u-card);
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-lg);
  box-shadow: 0 30px 60px rgba(0,0,0,0.25);
  overflow: hidden;
}
.palette-input-wrap {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--u-border-light);
  gap: 12px;
}
.palette-input-wrap input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--u-fg);
  font: inherit;
  font-size: var(--u-text-base);
}
.palette-list { max-height: 360px; overflow-y: auto; padding: 6px; }
.palette-row {
  display: grid;
  grid-template-columns: 24px 1fr max-content;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--u-radius-sm);
  font-size: var(--u-text-sm);
  cursor: pointer;
  color: var(--u-fg);
}
.palette-row:hover, .palette-row.is-active { background: var(--u-bg-elevated); }
.palette-row .idx { font-family: var(--u-font-mono); font-size: 11px; color: var(--u-fg-faint); }
.palette-row .meta { font-family: var(--u-font-mono); font-size: 10px; color: var(--u-fg-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.palette-hint {
  padding: 10px 18px;
  border-top: 1px solid var(--u-border-light);
  font-family: var(--u-font-mono);
  font-size: 11px;
  color: var(--u-fg-muted);
  display: flex;
  justify-content: space-between;
}

/* ============================================================
   Margin tick marks (registration marks on technical pages)
   ============================================================ */
.tick-marks {
  position: relative;
}
.tick-marks::before,
.tick-marks::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: repeating-linear-gradient(to bottom, var(--u-border) 0, var(--u-border) 6px, transparent 6px, transparent 24px);
  opacity: 0.4;
}
.tick-marks::before { left: 8px; }
.tick-marks::after  { right: 8px; }
@media (max-width: 1100px) {
  .tick-marks::before, .tick-marks::after { display: none; }
}

/* ============================================================
   MOBILE. Sweeping responsive corrections.
   ============================================================ */

/* Nav: tighten on small screens, drop brand wordmark below ~480px */
@media (max-width: 600px) {
  .brand { gap: 8px; }
}
@media (max-width: 480px) {
  .brand-name { display: none; }
  .nav-link  { font-size: 9px; padding: 6px; }
  .shell-bleed { padding-inline: 16px; }
}

/* Catalogue hero. Give the name a more sensible mobile size,
   keep top/bottom padding symmetric. */
@media (max-width: 600px) {
  .home-c .hero { padding-block: var(--u-space-3xl); }
  .home-c .hero h1 { font-size: clamp(2.75rem, 14vw, 4rem); }
  .home-c .hero .position { font-size: var(--u-text-md); }
  .home-c .hero .cta-row { flex-direction: column; align-items: stretch; gap: 8px; }
  .home-c .hero .cta-row .btn { justify-content: center; }
}

/* Section head: wrap on small screens. */
@media (max-width: 480px) {
  .section-head { flex-wrap: wrap; gap: 6px; }
}

/* Project page hero / image placeholder: shorter on mobile. */
@media (max-width: 700px) {
  .ava-hero { aspect-ratio: 4/3; min-height: 220px; }
  .img-ph { padding: 12px; min-height: 160px; }
  .img-ph .ph-note { font-size: 11px; padding: 6px 10px; }
}

/* AVA gallery: stack on mobile. */
@media (max-width: 700px) {
  .ava-grid { grid-template-columns: 1fr; }
  .ava-grid .tall, .ava-grid .wide { aspect-ratio: 4/3; grid-row: auto; }
}

/* Spec blocks: single column when cramped. */
@media (max-width: 500px) {
  .spec-block { grid-template-columns: 1fr; }
  .spec-block .spec { padding-bottom: 10px; border-bottom: 1px dashed var(--u-border-light); }
  .spec-block .spec:nth-last-child(-n+2) { border-bottom: 1px dashed var(--u-border-light); padding-bottom: 10px; }
  .spec-block .spec:last-child { border-bottom: 0; padding-bottom: 0; }
  .spec-block .spec .v.lg { font-size: var(--u-text-lg); }
}

/* BOM: drop the redundant "Reference" column on small screens
   (item already has the reference as <small>). */
@media (max-width: 700px) {
  .bom .bom-head, .bom .bom-row {
    grid-template-columns: 32px 1fr 60px;
    gap: 10px;
    padding: 10px 12px;
  }
  .bom .bom-head > span:nth-child(3),
  .bom .bom-row .ref { display: none; }
}

/* Page head: meta dl tighter on mobile. */
@media (max-width: 600px) {
  .page-head { padding-bottom: var(--u-space-lg); margin-bottom: var(--u-space-xl); }
  .page-head .lead h1 { font-size: clamp(1.75rem, 7vw, 2.25rem); }
  .page-head .meta { font-size: 11px; column-gap: var(--u-space-md); }
}

/* About + project sidebars: drop sticky on mobile. */
@media (max-width: 900px) {
  .proj-body .side { gap: var(--u-space-lg); }
}

/* Stat row: single column on the smallest screens. */
@media (max-width: 420px) {
  .stat-row { grid-template-columns: 1fr; }
  .stat { border-right: 0 !important; border-bottom: 1px solid var(--u-border); }
  .stat:last-child { border-bottom: 0; }
}

/* Department diagram: already stacks, but tighten padding. */
@media (max-width: 700px) {
  .dept-diagram { padding: var(--u-space-md); }
  .dept-node { padding: 12px; }
  .dept-arrow { font-size: var(--u-text-base); padding: 2px 0; }
}

/* Contact cards: vertical stack on small. */
@media (max-width: 700px) {
  .contact-card { padding: var(--u-space-lg); }
  .contact-card .v { font-size: var(--u-text-lg); word-break: break-word; }
}

/* Footer: tighten meta strip. */
@media (max-width: 700px) {
  .foot-meta { font-size: 10px; }
}

/* Page padding overall: looser on mobile so content breathes. */
@media (max-width: 600px) {
  .page { padding-block: var(--u-space-2xl); }
  .foot { margin-top: var(--u-space-4xl); }
}

/* Command palette: full-width-ish on tiny screens. */
@media (max-width: 500px) {
  .palette-backdrop { padding-top: 6vh; }
  .palette { width: calc(100vw - 24px); border-radius: var(--u-radius-md); }
  .palette-list { max-height: 60vh; }
}

/* Project number layout (number thumbnails): only number + title visible on small. */
@media (max-width: 600px) {
  .proj-card--number { padding-block: var(--u-space-lg); gap: var(--u-space-sm); }
  .proj-card--number .num { font-size: 2.25rem; }
}

/* Disable hover lift on touch: prevents sticky hover states on mobile. */
@media (hover: none) {
  .proj-card--image:hover { transform: none; }
  .proj-card--number:hover { padding-inline: 0; background: transparent; }
}

/* Prefers-reduced-motion: kill fade-in animation. */
@media (prefers-reduced-motion: reduce) {
  .page, .palette-backdrop { animation: none; }
  * { transition: none !important; }
}
