@font-face {
  font-family: "Bricolage";
  src: url("fonts/bricolage-grotesque-latin.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
}

@font-face {
  font-family: "Instrument";
  src: url("fonts/instrument-sans-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Instrument";
  src: url("fonts/instrument-sans-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

/* ---------- Tokens ----------
   Dark: signal lime on near-black, like current on a control panel.
   Light: blueprint blue on paper. Lime never sits on a pale background. */
:root {
  color-scheme: dark;
  --lime: #d6ff45;

  --color-bg: #0a0e10;
  --color-surface: #11171a;
  --color-surface-high: #182025;
  --color-text: #eef1eb;
  --color-text-secondary: #9ea9ab;
  --color-border: rgba(238, 241, 235, 0.12);
  --color-border-strong: rgba(238, 241, 235, 0.28);
  --color-accent-solid: var(--lime);
  --color-accent-text: var(--lime);
  --color-on-accent: #10160a;
  --color-signal: var(--lime);
  --color-glow: rgba(214, 255, 69, 0.14);
  --color-grid: rgba(214, 255, 69, 0.06);
  --color-header: rgba(14, 19, 22, 0.78);
  --shadow-island: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 18px 50px -20px rgba(0, 0, 0, 0.7);

  --model-filter: invert(1) hue-rotate(180deg) brightness(1.08) contrast(1.12);
  --model-blend: screen;

  --font-display: "Bricolage", "Instrument", system-ui, sans-serif;
  --font-body: "Instrument", system-ui, sans-serif;
  --text-hero: clamp(2.9rem, 8vw, 8rem);
  --text-h2: clamp(2.1rem, 4.4vw, 4.2rem);
  --text-h3: clamp(1.35rem, 1.9vw, 1.75rem);

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --radius-s: 6px;
  --radius-m: 12px;
  --radius-l: 20px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --section: clamp(5rem, 11vw, 9rem);
  --header-h: 5.25rem;
}

html[data-theme="light"] {
  color-scheme: light;
  --color-bg: #f4f5f1;
  --color-surface: #fbfbf9;
  --color-surface-high: #ffffff;
  --color-text: #12181b;
  --color-text-secondary: #566166;
  --color-border: rgba(18, 24, 27, 0.12);
  --color-border-strong: rgba(18, 24, 27, 0.28);
  --color-accent-solid: #1d4ed8;
  --color-accent-text: #1e40af;
  --color-on-accent: #ffffff;
  --color-signal: #2563eb;
  --color-glow: rgba(37, 99, 235, 0.1);
  --color-grid: rgba(18, 24, 27, 0.06);
  --color-header: rgba(251, 251, 249, 0.82);
  --shadow-island: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 16px 40px -22px rgba(18, 24, 27, 0.35);
  --model-filter: none;
  --model-blend: multiply;
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-padding-top: calc(var(--header-h) + 1rem);
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font: 400 1.0625rem/1.6 var(--font-body);
  overflow-x: clip;
}

::selection {
  background: var(--color-accent-solid);
  color: var(--color-on-accent);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

button {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 620;
  letter-spacing: -0.035em;
  line-height: 1;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

dl,
dd,
ol,
ul {
  margin: 0;
  padding: 0;
}

ol,
ul {
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent-text);
  outline-offset: 3px;
  border-radius: var(--radius-s);
}

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

.icon {
  width: 1.1em;
  height: 1.1em;
  flex: none;
}

.wrap {
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.model-img {
  filter: var(--model-filter);
  mix-blend-mode: var(--model-blend);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-text);
}

.eyebrow-num {
  display: inline-grid;
  place-items: center;
  min-width: 2.1rem;
  height: 1.5rem;
  padding-inline: 0.4rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

.lede {
  max-width: 40rem;
  font-size: clamp(1.0625rem, 1.3vw, 1.25rem);
  color: var(--color-text-secondary);
}

.skip-link {
  position: fixed;
  inset-block-start: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-s);
  background: var(--color-accent-solid);
  color: var(--color-on-accent);
  font-weight: 600;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

.scroll-current {
  position: fixed;
  inset: 0 0 auto;
  z-index: 60;
  height: 2px;
  pointer-events: none;
}

.scroll-current span {
  display: block;
  height: 100%;
  background: var(--color-signal);
  box-shadow: 0 0 12px var(--color-signal);
  transform: scaleX(0);
  transform-origin: left;
}

/* ---------- Buttons ---------- */
.button {
  --mx: 0px;
  --my: 0px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3.1rem;
  padding: 0 1.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  translate: var(--mx) var(--my);
  transition: translate 300ms var(--ease-out), transform 160ms var(--ease-out), background-color 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 200ms ease;
}

.button:active {
  transform: scale(0.96);
}

.button-small {
  min-height: 2.5rem;
  padding: 0 1rem;
  font-size: 0.9375rem;
}

.button-primary {
  background: var(--color-accent-solid);
  color: var(--color-on-accent);
}

.button-secondary {
  border-color: var(--color-border-strong);
  background: var(--color-surface);
}

.button-ghost {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--color-border-strong);
  text-underline-offset: 0.3em;
}

@media (hover: hover) and (pointer: fine) {
  .button-primary:hover {
    box-shadow: 0 0 0 5px var(--color-glow), 0 10px 32px -10px var(--color-signal);
  }

  .button-secondary:hover {
    border-color: var(--color-text);
  }

  .button-ghost:hover {
    color: var(--color-text);
  }
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  transition: transform 160ms var(--ease-out), border-color 160ms ease, background-color 160ms ease;
}

.icon-button:active {
  transform: scale(0.96);
}

@media (hover: hover) and (pointer: fine) {
  .icon-button:hover {
    border-color: var(--color-border-strong);
    background: var(--color-surface-high);
  }
}

.text-link {
  color: var(--color-accent-text);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3em;
}

/* ---------- Header: floating island ---------- */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 50;
  padding-block: 0.75rem;
  pointer-events: none;
}

.header-island {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 3.75rem;
  padding: 0.45rem 0.45rem 0.45rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-header);
  box-shadow: var(--shadow-island);
  backdrop-filter: blur(18px) saturate(1.5);
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
  pointer-events: auto;
  transition: box-shadow 300ms ease, border-color 300ms ease;
}

.site-header.is-scrolled .header-island {
  border-color: var(--color-border-strong);
}

.identity {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-inline-end: auto;
  padding-inline-end: 0.5rem;
  text-decoration: none;
}

.identity-mark {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background: var(--color-accent-solid);
  color: var(--color-on-accent);
  font: 700 0.875rem/1 var(--font-display);
}

.identity-copy {
  display: grid;
  line-height: 1.2;
}

.identity-copy strong {
  font-size: 0.9375rem;
}

.identity-copy small {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.site-nav {
  display: flex;
  gap: 0.15rem;
  padding: 0.25rem;
  border-radius: 999px;
  background: var(--color-bg);
}

html[data-theme="light"] .site-nav {
  background: var(--color-bg);
}

.site-nav a {
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text-secondary);
  transition: color 150ms ease, background-color 200ms ease;
}

.site-nav a.is-current {
  color: var(--color-text);
  background: var(--color-surface-high);
}

@media (hover: hover) and (pointer: fine) {
  .site-nav a:not(.is-current):hover {
    color: var(--color-text);
  }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

html[data-theme="light"] .theme-sun,
html[data-theme="dark"] .theme-moon {
  display: none;
}

.menu-button {
  display: none;
}

.menu-lines {
  display: grid;
  gap: 5px;
  width: 16px;
}

.menu-lines span {
  display: block;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 220ms var(--ease-out);
}

.menu-button[aria-expanded="true"] .menu-lines span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.menu-button[aria-expanded="true"] .menu-lines span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

.mobile-menu {
  display: none;
}

/* ---------- Hero: immersive model scene ---------- */
.hero {
  position: relative;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-height: calc(100svh - var(--header-h) - 0.75rem);
  margin-block-start: calc(-1 * var(--header-h) - 0.75rem);
  padding-block: calc(var(--header-h) + 2.5rem) 0;
  overflow: hidden;
  isolation: isolate;
}

.hero-scene {
  position: absolute;
  inset: 0;
  z-index: -3;
  overflow: hidden;
}

.hero-model {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-end: -6%;
  width: min(78vw, 1500px);
  max-width: none;
  transform: translateY(-52%);
  opacity: 0.95;
  will-change: transform;
}

.hero-scene .scan-line {
  z-index: 1;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, var(--color-bg) 0%, var(--color-bg) 28%, color-mix(in oklab, var(--color-bg) 70%, transparent) 52%, transparent 78%),
    linear-gradient(180deg, transparent 55%, var(--color-bg) 100%);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 60% 70% at 25% 50%, #000 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 25% 50%, #000 10%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 20rem;
  gap: 2rem 4rem;
  align-items: end;
  padding-block: clamp(2rem, 6vh, 5rem) clamp(2rem, 5vh, 4rem);
}

.hero-copy {
  display: grid;
  gap: 1.6rem;
  max-width: 44rem;
}

.status-pill {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.9rem 0.45rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-header);
  backdrop-filter: blur(10px);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.live-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-signal);
}

.live-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-signal);
  animation: ping 2.2s var(--ease-out) infinite;
}

@keyframes ping {
  to {
    transform: scale(3);
    opacity: 0;
  }
}

.hero-title {
  font-size: clamp(3rem, 7.2vw, 7rem);
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 0.92;
}

.hero-title .line {
  display: block;
  overflow: hidden;
  padding-block-end: 0.08em;
  margin-block-end: -0.08em;
}

.hero-title .line > span {
  display: block;
}

.hero-title em {
  font-style: normal;
  color: var(--color-accent-text);
}

.hero-intro {
  max-width: 36rem;
  font-size: clamp(1.0625rem, 1.3vw, 1.2rem);
  color: var(--color-text-secondary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-plate {
  display: grid;
  gap: 0.4rem;
  justify-items: start;
  padding: 1.1rem 1.2rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  background: var(--color-header);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
}

.plate-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-text);
}

.plate-label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-signal);
  box-shadow: 0 0 8px var(--color-signal);
}

.plate-title {
  font: 620 1.0625rem/1.2 var(--font-display);
  letter-spacing: -0.015em;
}

.plate-sub {
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--color-text-secondary);
}

.hero-plate .button {
  margin-block-start: 0.5rem;
}

.hero-foot {
  position: relative;
  padding-block-end: clamp(1.5rem, 4vh, 3rem);
}

.scan-line {
  position: absolute;
  inset-inline: 0;
  inset-block-start: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-signal) 20%, var(--color-signal) 80%, transparent);
  box-shadow: 0 0 24px 4px var(--color-glow);
  opacity: 0;
  pointer-events: none;
}

.model-stage {
  position: relative;
}

.lens {
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  z-index: 3;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 2px solid var(--color-signal);
  background: var(--color-bg);
  box-shadow: 0 0 0 6px var(--color-glow), 0 24px 60px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.85);
  transition: opacity 180ms ease, transform 220ms var(--ease-out);
  pointer-events: none;
}

.lens-img {
  position: absolute;
  inset: 0;
  background-color: #fff;
  background-repeat: no-repeat;
  filter: var(--model-filter) contrast(1.25);
}

.model-stage.is-inspecting .lens {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.lens-hint {
  position: absolute;
  inset-block-start: 0.75rem;
  inset-inline-end: 0.75rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-header);
  backdrop-filter: blur(10px);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  white-space: nowrap;
  transition: opacity 200ms ease;
}

.model-stage.is-inspecting .lens-hint {
  opacity: 0;
}

.banner-block {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  align-items: center;
  border-block-start: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.35;
}

.banner-block span {
  padding: 0.85rem 1.1rem;
}

.banner-block span + span {
  border-inline-start: 1px solid var(--color-border);
}

.banner-block small {
  display: block;
  margin-block-end: 0.15rem;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.banner-block .button {
  margin-inline: 0.75rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  background: var(--color-surface);
  overflow: hidden;
}

.stats-hero {
  background: var(--color-header);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
}

.stat {
  padding: 1.4rem 1.5rem 1.5rem;
}

.stat + .stat {
  border-inline-start: 1px solid var(--color-border);
}

.stat dt {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  font: 650 clamp(2.2rem, 3.6vw, 3.25rem)/1 var(--font-display);
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.stat .unit {
  font-size: 0.4em;
  letter-spacing: 0;
  color: var(--color-accent-text);
}

.stat dd {
  margin-block-start: 0.5rem;
  font-size: 0.9375rem;
  line-height: 1.4;
  color: var(--color-text-secondary);
}

/* ---------- Marquee ---------- */
.marquee {
  position: relative;
  display: flex;
  align-items: center;
  border-block: 1px solid var(--color-border);
  overflow: hidden;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 42s linear infinite;
}

.marquee.is-paused .marquee-track {
  animation-play-state: paused;
}

.marquee-group {
  display: flex;
  flex: none;
}

.marquee-group li {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding: 1.25rem 0 1.25rem 2.5rem;
  font: 600 clamp(1.4rem, 2.6vw, 2.1rem)/1 var(--font-display);
  letter-spacing: -0.03em;
  white-space: nowrap;
  color: var(--color-text-secondary);
  transition: color 200ms ease;
}

.marquee-group li::after {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--color-signal);
  transform: rotate(45deg);
}

@media (hover: hover) and (pointer: fine) {
  .marquee-group li:hover {
    color: var(--color-text);
  }
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

.marquee::after {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-end: 0;
  width: 9rem;
  background: linear-gradient(90deg, transparent, var(--color-bg) 60%);
  pointer-events: none;
}

.marquee-toggle {
  position: absolute;
  inset-inline-end: var(--gutter);
  z-index: 2;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  background: var(--color-surface);
  cursor: pointer;
  transition: transform 160ms var(--ease-out), border-color 160ms ease;
}

.marquee-toggle:active {
  transform: scale(0.96);
}

.marquee-toggle .icon-play,
.marquee.is-paused .marquee-toggle .icon-pause {
  display: none;
}

.marquee.is-paused .marquee-toggle .icon-play {
  display: block;
}

/* ---------- Section intro ---------- */
.section-intro {
  display: grid;
  gap: 1.1rem;
  max-width: 52rem;
  margin-block-end: clamp(2.5rem, 5vw, 4rem);
}

.section-intro h2 {
  font-size: var(--text-h2);
}

/* ---------- Featured project ---------- */
.alula {
  padding-block: var(--section);
}

.case-head {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2rem 4rem;
  align-items: start;
  margin-block-end: clamp(2.5rem, 5vw, 4rem);
}

.case-head .section-intro {
  margin: 0;
}

.case-meta {
  display: grid;
  border-block-start: 1px solid var(--color-border-strong);
}

.case-meta div {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 1rem;
  padding-block: 0.9rem;
  border-block-end: 1px solid var(--color-border);
}

.case-meta dt {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  padding-block-start: 0.25rem;
}

.case-meta dd {
  font-weight: 600;
}

.board-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  margin-block-end: 1rem;
}

.board-head h3 {
  font-size: var(--text-h3);
}

.board-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.key {
  width: 14px;
  height: 14px;
  border-radius: 4px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.legend-item + .legend-item {
  margin-inline-start: 0.85rem;
}

.key-design {
  background: var(--color-accent-solid);
}

.key-shop {
  border: 1.5px dashed var(--color-accent-text);
}

.key-model {
  background: var(--color-surface-high);
  border: 1.5px solid var(--color-border-strong);
}

.building-board {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.75rem;
}

.bldg {
  position: relative;
  display: grid;
  align-content: start;
  gap: 0.25rem;
  min-height: 11rem;
  padding: 1.1rem 1.1rem 1.2rem;
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-m);
  background: var(--color-surface);
  overflow: hidden;
}

.bldg[data-kind="design"] {
  background: var(--color-accent-solid);
  border-color: var(--color-accent-solid);
  color: var(--color-on-accent);
}

.bldg[data-kind="shop"] {
  border-style: dashed;
  border-color: var(--color-accent-text);
}

.bldg-open {
  display: grid;
  align-content: start;
  gap: 0.25rem;
  width: 100%;
  height: 100%;
  margin: -1.1rem -1.1rem -1.2rem;
  padding: 1.1rem 1.1rem 1.2rem;
  box-sizing: content-box;
  border: 0;
  background: transparent;
  text-align: start;
  cursor: pointer;
}

.bldg-code {
  font: 650 clamp(1.6rem, 2.4vw, 2.2rem)/1 var(--font-display);
  letter-spacing: -0.03em;
}

.bldg-kind {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

.bldg-note {
  margin-block-start: 0.4rem;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--color-text-secondary);
}

.bldg[data-kind="design"] .bldg-note {
  color: inherit;
  opacity: 0.8;
}

.has-model {
  min-height: 15rem;
}

.bldg-thumb {
  position: absolute;
  inset-inline-end: -8%;
  inset-block-end: -12%;
  width: 78%;
  opacity: 0.85;
  transition: transform 500ms var(--ease-out), opacity 300ms ease;
  pointer-events: none;
}

.has-model {
  background: var(--color-surface-high);
}

@media (hover: hover) and (pointer: fine) {
  .has-model:hover .bldg-thumb {
    transform: scale(1.08);
    opacity: 1;
  }
}

.case-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 1rem;
  margin-block-start: 1rem;
}

.systems,
.process {
  padding: clamp(1.25rem, 2.5vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  background: var(--color-surface);
}

.systems h3 {
  margin-block-end: 1.25rem;
  font-size: var(--text-h3);
}

.system-groups {
  display: grid;
  gap: 1.25rem;
}

.system-label {
  margin-block-end: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-text);
}

.system-group ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.system-group li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg);
  font-size: 0.875rem;
  font-weight: 600;
}

.system-group li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-signal);
}

.process {
  position: relative;
  display: grid;
  gap: 0;
}

.process-step {
  position: relative;
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 0.25rem 1rem;
  padding-block: 1.1rem;
}

.process-step + .process-step {
  border-block-start: 1px solid var(--color-border);
}

.process-num {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1.5px solid var(--color-accent-text);
  font: 700 0.8125rem/1 var(--font-body);
  color: var(--color-accent-text);
}

.process-step strong {
  font: 620 1.125rem/1.2 var(--font-display);
  letter-spacing: -0.015em;
}

.process-step p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.case-figure {
  margin: clamp(1.5rem, 3vw, 2.5rem) 0 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  background: var(--color-surface);
  overflow: hidden;
}

.sheet-open {
  display: grid;
  place-items: center;
  width: 100%;
  padding: clamp(1rem, 2.5vw, 2rem);
  border: 0;
  background:
    linear-gradient(var(--color-grid) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px) 0 0 / 40px 40px,
    radial-gradient(ellipse at 50% 50%, var(--color-glow), transparent 65%);
  cursor: zoom-in;
}

.case-figure .model-img {
  width: 100%;
  max-height: 72vh;
  object-fit: contain;
  transition: transform 600ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .sheet-open:hover .model-img {
    transform: scale(1.02);
  }
}

/* ---------- Model inspector ---------- */
.inspector-section {
  padding-block: var(--section);
  border-block-start: 1px solid var(--color-border);
}

.inspector-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 24rem);
  gap: 1rem 3rem;
  align-items: end;
  margin-block-end: 1.5rem;
}

.inspector-head > div {
  display: grid;
  gap: 0.9rem;
}

.inspector-head h2 {
  font-size: var(--text-h2);
}

.inspector-head p:not(.eyebrow) {
  color: var(--color-text-secondary);
}

.inspector-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  width: fit-content;
  max-width: 100%;
  padding: 0.35rem;
  margin-block-end: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
}

.inspector-tab {
  padding: 0.6rem 1rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color 150ms ease, background-color 200ms ease, transform 160ms var(--ease-out);
}

.inspector-tab:active {
  transform: scale(0.97);
}

.inspector-tab.is-active {
  background: var(--color-accent-solid);
  color: var(--color-on-accent);
}

@media (hover: hover) and (pointer: fine) {
  .inspector-tab:not(.is-active):hover {
    color: var(--color-text);
  }
}

.inspector-body {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 1rem;
}

.inspector-stage {
  display: grid;
  place-items: center;
  min-height: min(62vh, 640px);
  padding: clamp(1rem, 2.5vw, 2.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  background:
    linear-gradient(var(--color-grid) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px) 0 0 / 32px 32px,
    radial-gradient(ellipse at 45% 50%, var(--color-glow), transparent 70%),
    var(--color-surface);
}

.inspector-canvas {
  position: relative;
  width: fit-content;
  max-width: 100%;
  margin-inline: auto;
  transition: opacity 220ms ease, filter 220ms ease;
}

.inspector-canvas.is-swapping {
  opacity: 0;
  filter: blur(6px);
}

.inspector-canvas .model-img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: min(60vh, 600px);
}

.marker {
  position: absolute;
  inset-inline-start: var(--x);
  inset-block-start: var(--y);
  z-index: 2;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  margin: -1rem 0 0 -1rem;
  padding: 0;
  border: 2px solid var(--color-bg);
  border-radius: 50%;
  background: var(--color-signal);
  color: var(--color-on-accent);
  font: 700 0.8125rem/1 var(--font-body);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  transition: transform 200ms var(--ease-out);
}

.marker::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1.5px solid var(--color-signal);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 200ms ease, transform 300ms var(--ease-out);
}

.marker.is-active {
  transform: scale(1.18);
}

.marker.is-active::after {
  opacity: 1;
  animation: marker-ring 1.8s var(--ease-out) infinite;
}

@keyframes marker-ring {
  0% { transform: scale(0.85); opacity: 0.9; }
  100% { transform: scale(1.6); opacity: 0; }
}

.inspector-notes {
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding: clamp(1.25rem, 2vw, 1.75rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  background: var(--color-surface);
}

.inspector-title {
  font: 620 1.375rem/1.15 var(--font-display);
  letter-spacing: -0.025em;
}

.inspector-sub {
  margin-block-start: -0.35rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.note-list {
  display: grid;
  gap: 0.35rem;
  margin-block-start: 0.5rem;
}

.note {
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr);
  gap: 0.15rem 0.85rem;
  width: 100%;
  padding: 0.85rem 0.9rem;
  border: 1px solid transparent;
  border-radius: var(--radius-m);
  text-align: start;
  background: transparent;
  cursor: pointer;
  transition: border-color 200ms ease, background-color 200ms ease;
}

.note-num {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  border: 1.5px solid var(--color-border-strong);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease;
}

.note strong {
  font-size: 1rem;
}

.note span:last-child {
  font-size: 0.9375rem;
  line-height: 1.45;
  color: var(--color-text-secondary);
}

.note.is-active {
  border-color: var(--color-border);
  background: var(--color-bg);
}

.note.is-active .note-num {
  background: var(--color-signal);
  border-color: var(--color-signal);
  color: var(--color-on-accent);
}

.inspector-actions {
  margin-block-start: 0.75rem;
}

/* ---------- Project sheets ---------- */
.projects {
  padding-block: var(--section);
  border-block-start: 1px solid var(--color-border);
}

.sheet-stack {
  display: grid;
  gap: 1.5rem;
}

.sheet-card {
  --sx: 50%;
  --sy: 50%;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  padding: clamp(1.5rem, 3vw, 2.75rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  background:
    radial-gradient(520px circle at var(--sx) var(--sy), var(--color-glow), transparent 60%),
    var(--color-surface);
  overflow: hidden;
  transform-origin: top center;
}

.sheet-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-bg);
  opacity: var(--dim, 0);
  pointer-events: none;
}

.sheet-card.is-featured {
  border-color: var(--color-accent-text);
}

.sheet-copy {
  display: grid;
  align-content: start;
  gap: 1rem;
}

.sheet-index {
  font: 620 1rem/1 var(--font-display);
  color: var(--color-text-secondary);
  font-variant-numeric: tabular-nums;
}

.sheet-index span {
  font-size: 2.6rem;
  letter-spacing: -0.04em;
  color: var(--color-text);
}

.project-meta {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-accent-text);
}

.sheet-copy h3 {
  font-size: clamp(1.75rem, 2.8vw, 2.6rem);
}

.sheet-copy > p:not(.project-meta, .sheet-index) {
  max-width: 34rem;
  color: var(--color-text-secondary);
}

.scope {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.scope li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
}

.scope li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-signal);
}

.sheet-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block-start: 0.5rem;
}

.sheet-media {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  background: var(--color-bg);
  overflow: hidden;
}

.sheet-media .sheet-open {
  min-height: 300px;
  padding: 1.25rem;
  background:
    linear-gradient(var(--color-grid) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px) 0 0 / 32px 32px,
    transparent;
}

.sheet-media .model-img {
  width: 100%;
  max-height: min(52vh, 480px);
  object-fit: contain;
  transition: transform 600ms var(--ease-out);
}

.title-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  border-block-start: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.35;
}

.title-block span {
  padding: 0.65rem 0.9rem 0.75rem;
}

.title-block span + span {
  border-inline-start: 1px solid var(--color-border);
}

.title-block small {
  display: block;
  margin-block-end: 0.1rem;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.sheet-media-calc {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  color: var(--color-text-secondary);
}

.sheet-media-calc .calc-diagram {
  place-self: center;
  width: min(100%, 560px);
}

.calc-diagram {
  height: auto;
  padding: 1.5rem;
  color: var(--color-text-secondary);
}

.calc-diagram .calc-boards {
  color: var(--color-text);
}

.calc-diagram .calc-breakers,
.calc-diagram .calc-pulse {
  color: var(--color-signal);
}

.calc-pulse {
  animation: calc-run 6s linear infinite;
}

@keyframes calc-run {
  0% { cx: 40; cy: 60; }
  20% { cx: 240; cy: 60; }
  32% { cx: 240; cy: 130; }
  40% { cx: 240; cy: 190; }
  55% { cx: 240; cy: 250; }
  70% { cx: 264; cy: 250; }
  85% { cx: 264; cy: 300; }
  100% { cx: 264; cy: 300; }
}

@media (min-width: 901px) {
  .sheet-stack {
    gap: 0;
  }

  .sheet-card {
    position: sticky;
    inset-block-start: calc(var(--header-h) + 0.75rem + var(--i) * 0.9rem);
    min-height: min(72vh, 700px);
    margin-block-end: 4vh;
    box-shadow: 0 -12px 40px -20px rgba(0, 0, 0, 0.6);
  }

  .sheet-card:last-child {
    margin-block-end: 0;
  }
}

/* ---------- Toolkit: four-stage workflow ---------- */
.toolkit {
  padding-block: var(--section);
  border-block-start: 1px solid var(--color-border);
}

.workflow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  padding-block-start: 1.5rem;
}

.workflow::before {
  content: "";
  position: absolute;
  inset-inline: 2rem;
  inset-block-start: 0;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--color-signal) 0 10px, transparent 10px 22px);
  opacity: 0.7;
  animation: rail 1.4s linear infinite;
}

@keyframes rail {
  to {
    background-position: 22px 0;
  }
}

.stage {
  position: relative;
  display: grid;
  align-content: start;
  gap: 0.5rem;
  padding: 1.5rem 1.4rem 1.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  background: var(--color-surface);
  transition: border-color 250ms ease, translate 300ms var(--ease-out);
}

.stage::before {
  content: "";
  position: absolute;
  inset-block-start: -1.5rem;
  inset-inline-start: 50%;
  width: 2px;
  height: 1.5rem;
  background: var(--color-border-strong);
}

@media (hover: hover) and (pointer: fine) {
  .stage:hover {
    border-color: var(--color-border-strong);
    translate: 0 -4px;
  }
}

.stage-num {
  justify-self: start;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--color-accent-solid);
  color: var(--color-on-accent);
  font: 700 0.8125rem/1 var(--font-body);
}

.stage h3 {
  margin-block-start: 0.5rem;
  font-size: clamp(1.5rem, 2.2vw, 2rem);
}

.stage-sub {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.stage-tools {
  display: grid;
  gap: 0;
  margin-block-start: 1rem;
  border-block-start: 1px solid var(--color-border);
}

.stage-tools div {
  padding-block: 0.8rem;
  border-block-end: 1px solid var(--color-border);
}

.stage-tools dt {
  font-weight: 600;
}

.stage-tools dd {
  margin-block-start: 0.15rem;
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--color-text-secondary);
}

/* ---------- Experience ---------- */
.experience {
  padding-block: var(--section);
  border-block-start: 1px solid var(--color-border);
}

.experience-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.experience-intro {
  position: sticky;
  inset-block-start: calc(var(--header-h) + 2rem);
  margin: 0;
}

.timeline {
  position: relative;
  padding-inline-start: 2.5rem;
}

.timeline-wire {
  position: absolute;
  inset-block: 0.5rem 0;
  inset-inline-start: 0.45rem;
  width: 2px;
  background: var(--color-border);
}

.timeline-wire span {
  display: block;
  height: 100%;
  background: var(--color-signal);
  box-shadow: 0 0 12px var(--color-signal);
  transform: scaleY(0);
  transform-origin: top;
}

.no-motion .timeline-wire span {
  transform: none;
}

.timeline ol {
  display: grid;
  gap: 3rem;
}

.milestone {
  position: relative;
  display: grid;
  gap: 0.4rem;
}

.milestone::before {
  content: "";
  position: absolute;
  inset-inline-start: calc(-2.5rem + 0.45rem - 6px);
  inset-block-start: 0.3rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--color-border-strong);
  background: var(--color-bg);
  transition: border-color 300ms ease, background-color 300ms ease, box-shadow 300ms ease;
}

.milestone.is-lit::before {
  border-color: var(--color-signal);
  background: var(--color-signal);
  box-shadow: 0 0 14px var(--color-signal);
}

.milestone time {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent-text);
}

.milestone.is-current time::after {
  content: "Current";
  margin-inline-start: 0.6rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: var(--color-accent-solid);
  color: var(--color-on-accent);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.milestone h3 {
  font-size: var(--text-h3);
}

.milestone .org {
  font-weight: 600;
}

.milestone p:not(.org) {
  color: var(--color-text-secondary);
}

.soft {
  margin-block-start: clamp(4rem, 8vw, 7rem);
}

.soft-title {
  margin-block-end: 1.75rem;
  font-size: var(--text-h3);
}

.soft-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
}

.soft-card {
  --sx: 50%;
  --sy: 0%;
  display: grid;
  align-content: start;
  gap: 0.6rem;
  padding: 1.35rem 1.25rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  background:
    radial-gradient(260px circle at var(--sx) var(--sy), var(--color-glow), transparent 65%),
    var(--color-surface);
  transition: border-color 250ms ease, translate 300ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .soft-card:hover {
    border-color: var(--color-border-strong);
    translate: 0 -4px;
  }
}

.soft-index {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent-text);
}

.soft-card strong {
  font: 620 1.125rem/1.2 var(--font-display);
  letter-spacing: -0.015em;
}

.soft-card p {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.training {
  margin-block-start: clamp(3rem, 6vw, 4.5rem);
  border-block: 1px solid var(--color-border);
}

.training summary {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-block: 1.35rem;
  cursor: pointer;
  list-style: none;
}

.training summary::-webkit-details-marker {
  display: none;
}

.training summary span {
  font: 620 var(--text-h3)/1.1 var(--font-display);
  letter-spacing: -0.03em;
}

.training summary small {
  color: var(--color-text-secondary);
}

.training summary .icon {
  margin-inline-start: auto;
  align-self: center;
  transition: transform 250ms var(--ease-out);
}

.training[open] summary .icon {
  transform: rotate(180deg);
}

.training ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 2.5rem;
  padding-block-end: 1.5rem;
}

.training li {
  display: grid;
  grid-template-columns: 6rem minmax(0, 1fr);
  gap: 0.15rem 1rem;
  padding-block: 0.9rem;
  border-block-start: 1px solid var(--color-border);
}

.training time {
  grid-row: span 2;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent-text);
}

.training li span {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

/* ---------- Contact ---------- */
.contact {
  position: relative;
  padding-block: var(--section);
  border-block-start: 1px solid var(--color-border);
  overflow: hidden;
}

.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 50% 80% at 85% 50%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 50% 80% at 85% 50%, #000 0%, transparent 70%);
  pointer-events: none;
}

.contact-inner {
  position: relative;
  display: grid;
  gap: 1.5rem;
}

.contact h2 {
  max-width: 16ch;
  font-size: var(--text-h2);
}

.contact-email {
  justify-self: start;
  padding-block-end: 0.15em;
  font: 620 clamp(1.6rem, 4.5vw, 3.5rem)/1.1 var(--font-display);
  letter-spacing: -0.04em;
  color: var(--color-accent-text);
  text-decoration: none;
  background: linear-gradient(currentColor, currentColor) no-repeat right bottom / 100% 2px;
  overflow-wrap: anywhere;
  transition: background-size 400ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .contact-email:hover {
    background-size: 0% 2px;
  }
}

.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.contact-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, max-content));
  gap: 1rem 3rem;
  margin-block-start: 1.5rem;
  padding-block-start: 1.5rem;
  border-block-start: 1px solid var(--color-border);
}

.contact-meta dt {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.contact-meta dd {
  margin-block-start: 0.25rem;
  font-weight: 600;
}

.contact-meta a {
  text-decoration: none;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.75rem;
  border-block-start: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.toast {
  position: fixed;
  inset-block-end: 1.5rem;
  inset-inline-start: 50%;
  z-index: 80;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  background: var(--color-accent-solid);
  color: var(--color-on-accent);
  font-weight: 600;
  opacity: 0;
  transform: translate(-50%, 12px);
  transition: opacity 200ms ease, transform 300ms var(--ease-out);
  pointer-events: none;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- Viewer ---------- */
.viewer {
  width: min(100vw - 2rem, 1500px);
  height: min(100dvh - 2rem, 1100px);
  max-width: none;
  max-height: none;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  background: var(--color-surface);
  color: var(--color-text);
  overflow: hidden;
}

.viewer[open] {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  animation: viewer-in 240ms var(--ease-out);
}

.viewer::backdrop {
  background: rgba(5, 7, 8, 0.78);
  backdrop-filter: blur(6px);
}

@keyframes viewer-in {
  from {
    opacity: 0;
    transform: scale(0.97);
  }
}

.viewer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0.75rem 0.75rem 1.25rem;
  border-block-end: 1px solid var(--color-border);
}

#viewer-title {
  font-weight: 600;
}

.viewer-actions {
  display: flex;
  gap: 0.5rem;
}

.viewer-stage {
  overflow: auto;
  background: var(--color-bg);
  cursor: zoom-in;
  overscroll-behavior: contain;
}

.viewer-stage img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.viewer-stage.is-zoomed {
  cursor: grab;
}

.viewer-stage.is-dragging {
  cursor: grabbing;
  user-select: none;
}

.viewer-stage.is-zoomed img {
  width: auto;
  height: auto;
  max-width: none;
}

.viewer-hint {
  padding: 0.6rem 1.25rem;
  border-block-start: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

/* ---------- Initial motion states: only while GSAP is running them ---------- */
.motion .reveal,
.motion .hero-in {
  opacity: 0;
}

.motion .hero-title .line > span {
  transform: translateY(105%);
}

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .building-board {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .workflow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .soft-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1100px) {
  .site-nav a:nth-child(4) {
    display: none;
  }
}

@media (max-width: 900px) {
  :root {
    --header-h: 4.75rem;
  }

  .site-nav {
    display: none;
  }

  .menu-button {
    display: inline-grid;
  }

  .mobile-menu {
    display: block;
    position: absolute;
    inset-inline: 0;
    inset-block-start: 100%;
    pointer-events: none;
  }

  .mobile-menu-panel {
    display: grid;
    gap: 0.25rem;
    padding: 0.5rem 1.25rem 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-l);
    background: var(--color-surface);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
    opacity: 0;
    transform: translateY(-8px);
    visibility: hidden;
    transition: opacity 200ms ease, transform 240ms var(--ease-out), visibility 0s linear 240ms;
  }

  .mobile-menu.is-open {
    pointer-events: auto;
  }

  .mobile-menu.is-open .mobile-menu-panel {
    opacity: 1;
    transform: none;
    visibility: visible;
    transition: opacity 200ms ease, transform 240ms var(--ease-out), visibility 0s;
  }

  .mobile-menu a:not(.button) {
    padding: 0.85rem 0;
    border-block-end: 1px solid var(--color-border);
    font: 620 1.25rem/1.2 var(--font-display);
    letter-spacing: -0.02em;
    text-decoration: none;
  }

  .mobile-menu .button {
    margin-block-start: 1rem;
  }

  .hero-content,
  .case-head,
  .case-grid,
  .experience-grid,
  .inspector-head,
  .inspector-body,
  .sheet-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    min-height: 0;
  }

  .hero-model {
    inset-block-start: auto;
    inset-block-end: 10%;
    inset-inline-end: -35%;
    width: 150vw;
    transform: none;
    opacity: 0.38;
  }

  .hero-scrim {
    background:
      linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg) 30%, color-mix(in oklab, var(--color-bg) 70%, transparent) 62%, transparent 85%),
      linear-gradient(180deg, transparent 70%, var(--color-bg) 100%);
  }

  .hero-plate {
    display: none;
  }

  .banner-block {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .banner-block span:nth-child(3) {
    display: none;
  }

  .banner-block .button {
    justify-self: start;
    margin: 0.5rem 1.1rem 0.85rem;
  }

  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stat:nth-child(3) {
    border-inline-start: 0;
  }

  .stat:nth-child(n + 3) {
    border-block-start: 1px solid var(--color-border);
  }

  .sheet-media {
    order: -1;
  }

  .inspector-stage {
    min-height: 0;
  }

  .experience-intro {
    position: static;
  }

  .training summary {
    flex-wrap: wrap;
    row-gap: 0.25rem;
  }

  .training summary small {
    order: 3;
    flex-basis: 100%;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 1rem;
  }

  .identity-copy small,
  .header-cv {
    display: none;
  }

  .header-island {
    gap: 0.5rem;
  }

  .hero-title {
    font-size: clamp(2.6rem, 13vw, 4rem);
  }

  .building-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bldg {
    min-height: 9rem;
  }

  .stat {
    padding: 1.1rem 1rem 1.2rem;
  }

  .workflow {
    grid-template-columns: minmax(0, 1fr);
  }

  .workflow::before,
  .stage::before {
    display: none;
  }

  .workflow {
    padding-block-start: 0;
  }

  .soft-grid,
  .training ul {
    grid-template-columns: minmax(0, 1fr);
  }

  .case-meta div {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.2rem;
  }

  .contact-meta {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer {
    flex-direction: column;
  }
}

@media (hover: none), (pointer: coarse) {
  .pointer-only {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }

  .marquee-toggle {
    display: none;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .header-island {
    background: var(--color-surface);
    backdrop-filter: none;
  }
}

@media print {
  .site-header,
  .marquee,
  .viewer,
  .scroll-current,
  .hero-actions,
  .contact-row {
    display: none !important;
  }
}