:root {
  --bg: #0b0f12;
  --bg-deep: #080b0d;
  --surface: #11171b;
  --surface-raised: #151d22;
  --surface-soft: #0e1417;
  --line: #263238;
  --line-strong: #39484f;
  --text: #f2f6f5;
  --text-soft: #b7c2c0;
  --muted: #7f908d;
  --accent: #79e0c0;
  --accent-strong: #a2f2d8;
  --accent-deep: #183e35;
  --amber: #f2c36b;
  --amber-deep: #44351d;
  --planned: #aeb9c4;
  --planned-deep: #252e37;
  --danger: #ff958f;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shell: 1180px;
  --shadow: 0 26px 80px rgb(0 0 0 / 24%);
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(rgb(121 224 192 / 2.8%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(121 224 192 / 2.8%) 1px, transparent 1px),
    radial-gradient(circle at 75% 9%, rgb(49 111 94 / 12%), transparent 30rem),
    var(--bg);
  background-size: 48px 48px, 48px 48px, auto, auto;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, transparent 0, var(--bg) 34%, var(--bg) 100%);
  content: "";
  pointer-events: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
h1,
h2,
h3,
dl,
dd,
ol,
ul {
  margin-top: 0;
}

::selection {
  color: var(--bg-deep);
  background: var(--accent);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  color: var(--bg-deep);
  background: var(--accent);
  border-radius: var(--radius-sm);
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell,
.header-shell {
  width: min(calc(100% - 40px), var(--shell));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgb(38 50 56 / 80%);
  background: rgb(11 15 18 / 88%);
  backdrop-filter: blur(18px);
}

.header-shell {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: inline-flex;
  min-width: max-content;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--bg-deep);
  background: var(--accent);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: -0.06em;
}

.brand-copy {
  display: grid;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 0.93rem;
  letter-spacing: -0.02em;
}

.brand-copy span {
  margin-top: 4px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.1vw, 28px);
}

.site-nav a {
  position: relative;
  color: var(--text-soft);
  font-size: 0.83rem;
  font-weight: 650;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 1px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="true"] {
  color: var(--text);
}

.site-nav a:hover::after,
.site-nav a[aria-current="true"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav .nav-cta {
  padding: 9px 14px;
  color: var(--bg-deep);
  background: var(--accent);
  border-radius: 999px;
}

.site-nav .nav-cta::after {
  display: none;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--surface);
  border-radius: 50%;
  cursor: pointer;
}

.nav-toggle > span:not(.sr-only) {
  display: block;
  width: 17px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 180ms ease;
}

.nav-toggle[aria-expanded="true"] > span:nth-child(2) {
  transform: translateY(3px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] > span:nth-child(3) {
  transform: translateY(-3px) rotate(-45deg);
}

.hero {
  display: grid;
  min-height: min(760px, calc(100vh - 76px));
  padding-block: clamp(76px, 11vw, 138px) clamp(84px, 10vw, 132px);
  align-items: center;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: clamp(52px, 8vw, 110px);
}

.eyebrow,
.section-index,
.mini-label,
.mono-note,
.case-kicker {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.71rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.eyebrow {
  display: flex;
  margin-bottom: 28px;
  align-items: center;
  gap: 12px;
}

.eyebrow-rule {
  width: 54px;
  height: 1px;
  background: var(--line-strong);
}

.hero h1 {
  margin-bottom: 30px;
  line-height: 0.95;
  letter-spacing: -0.065em;
}

.hero-name {
  display: block;
  margin-bottom: 13px;
  color: var(--text-soft);
  font-size: clamp(1rem, 2vw, 1.28rem);
  font-weight: 600;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.22em;
}

.hero-role {
  font-size: clamp(3.2rem, 7.2vw, 6.65rem);
  font-weight: 780;
}

.hero-summary {
  max-width: 690px;
  margin-bottom: 34px;
  color: var(--text-soft);
  font-size: clamp(1rem, 1.6vw, 1.19rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  margin-bottom: 31px;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  padding: 11px 15px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: rgb(17 23 27 / 72%);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 760;
  line-height: 1.25;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease, transform 160ms ease;
}

.button:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
  transform: translateY(-2px);
}

.button--primary {
  border-color: var(--accent);
  color: var(--bg-deep);
  background: var(--accent);
}

.button--primary:hover {
  color: var(--bg-deep);
  background: var(--accent-strong);
}

.button--quiet {
  color: var(--text-soft);
  background: transparent;
  border-color: transparent;
}

.location-line {
  display: flex;
  margin-bottom: 0;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.pulse {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgb(121 224 192 / 10%);
}

.brief-panel {
  position: relative;
  padding: clamp(24px, 3vw, 34px);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgb(21 29 34 / 94%), rgb(12 17 20 / 96%));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.brief-panel::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 112px;
  height: 112px;
  border-top: 1px solid var(--accent);
  border-right: 1px solid var(--accent);
  border-radius: 0 var(--radius-lg) 0 100%;
  content: "";
  opacity: 0.36;
}

.panel-topline {
  display: flex;
  margin-bottom: 32px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.status {
  display: inline-flex;
  width: max-content;
  padding: 5px 8px;
  align-items: center;
  border: 1px solid;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.63rem;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.status--verified {
  border-color: rgb(121 224 192 / 42%);
  color: var(--accent-strong);
  background: rgb(24 62 53 / 72%);
}

.status--evaluation {
  border-color: rgb(242 195 107 / 44%);
  color: var(--amber);
  background: rgb(68 53 29 / 64%);
}

.status--planned {
  border-color: rgb(174 185 196 / 28%);
  color: var(--planned);
  background: rgb(37 46 55 / 78%);
}

.brief-list {
  margin: 0;
}

.brief-list div {
  display: grid;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  grid-template-columns: minmax(92px, 0.7fr) minmax(0, 1.3fr);
  gap: 20px;
}

.brief-list dt {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.brief-list dd {
  margin: 0;
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 680;
}

.signal-strip {
  display: grid;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.signal-strip div {
  min-width: 0;
}

.signal-strip strong,
.signal-strip span {
  display: block;
}

.signal-strip strong {
  margin-bottom: 5px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1rem;
}

.signal-strip span {
  color: var(--muted);
  font-size: 0.64rem;
  line-height: 1.35;
}

main > .section-shell:not(.hero) {
  padding-block: clamp(78px, 9vw, 126px);
  border-top: 1px solid var(--line);
}

main > .section-shell--compact:not(.hero) {
  padding-block: clamp(62px, 7vw, 92px);
}

.section-heading {
  display: flex;
  margin-bottom: clamp(42px, 6vw, 72px);
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}

.section-index {
  margin-bottom: 15px;
}

.section-heading h2,
.contact-section h2 {
  margin-bottom: 0;
  font-size: clamp(2.2rem, 5vw, 4.85rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.heading-note {
  max-width: 300px;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: right;
}

.case-study {
  position: relative;
}

.case-intro {
  display: grid;
  margin-bottom: 38px;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: clamp(34px, 7vw, 90px);
}

.case-kicker {
  margin-bottom: 13px;
}

.case-lead {
  max-width: 790px;
  margin-bottom: 0;
  color: var(--text);
  font-size: clamp(1.35rem, 2.5vw, 2.25rem);
  font-weight: 630;
  line-height: 1.32;
  letter-spacing: -0.035em;
}

.case-note {
  margin: 28px 0 0;
  color: var(--text-soft);
  font-size: 0.93rem;
}

.case-links {
  display: grid;
  margin-bottom: 30px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.case-links--wide {
  grid-template-columns: repeat(4, 1fr);
}

.case-links a {
  display: flex;
  min-height: 65px;
  padding: 14px 15px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--text-soft);
  background: rgb(14 20 23 / 66%);
  font-size: 0.72rem;
  font-weight: 700;
  transition: color 160ms ease, background 160ms ease;
}

.case-links a:hover {
  color: var(--accent);
  background: var(--surface-raised);
}

.architecture-card {
  padding: clamp(22px, 4vw, 42px);
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
  border-radius: var(--radius-lg);
}

.card-heading,
.subsection-heading {
  display: flex;
  margin-bottom: 34px;
  align-items: start;
  justify-content: space-between;
  gap: 30px;
}

.card-heading h3,
.subsection-heading h3,
.evaluation-copy h3 {
  margin-bottom: 0;
  font-size: clamp(1.3rem, 2.2vw, 1.85rem);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.mini-label {
  margin-bottom: 10px;
}

.mono-note {
  margin-top: 2px;
  color: var(--muted);
  font-weight: 500;
  text-align: right;
}

.architecture-flow {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 9px;
}

.architecture-flow--compact {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.architecture-flow li {
  position: relative;
  min-height: 138px;
  padding: 15px 13px;
  border: 1px solid var(--line);
  background: var(--bg-deep);
  border-radius: var(--radius-sm);
}

.architecture-flow li:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -9px;
  z-index: 2;
  width: 9px;
  height: 1px;
  background: var(--accent);
  content: "";
}

.architecture-flow li::before {
  position: absolute;
  right: 9px;
  bottom: 9px;
  width: 20px;
  height: 20px;
  border-right: 1px solid rgb(121 224 192 / 20%);
  border-bottom: 1px solid rgb(121 224 192 / 20%);
  content: "";
}

.architecture-flow .node-output {
  border-color: rgb(121 224 192 / 42%);
  background: var(--accent-deep);
}

.node-index {
  display: block;
  margin-bottom: 28px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.62rem;
}

.architecture-flow strong,
.architecture-flow small {
  display: block;
}

.architecture-flow strong {
  margin-bottom: 7px;
  font-size: 0.77rem;
  line-height: 1.2;
}

.architecture-flow small {
  color: var(--muted);
  font-size: 0.62rem;
  line-height: 1.35;
}

.problem-grid {
  display: grid;
  margin-top: 26px;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.problem-card {
  min-width: 0;
  padding: 24px 20px;
  border: 1px solid var(--line);
  background: rgb(14 20 23 / 78%);
  border-radius: var(--radius);
}

.problem-number {
  display: block;
  margin-bottom: 28px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.problem-card h3 {
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.problem-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.55;
}

.evidence-section {
  padding-top: clamp(70px, 8vw, 110px);
}

.subsection-heading > p {
  max-width: 300px;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: right;
}

.evidence-grid {
  display: grid;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  grid-template-columns: repeat(2, 1fr);
}

.evidence-grid article {
  display: flex;
  min-height: 205px;
  padding: 24px;
  flex-direction: column;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.evidence-grid strong {
  margin-top: auto;
  margin-bottom: 9px;
  font-size: 1rem;
}

.evidence-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.evaluation-panel {
  display: grid;
  margin-top: 26px;
  padding: clamp(26px, 4.5vw, 50px);
  border: 1px solid rgb(242 195 107 / 34%);
  background: linear-gradient(120deg, rgb(68 53 29 / 48%), rgb(17 23 27 / 94%) 60%);
  border-radius: var(--radius-lg);
  grid-template-columns: minmax(0, 1.1fr) minmax(310px, 0.9fr);
  gap: clamp(36px, 8vw, 110px);
}

.case-detail-link {
  align-self: center;
  justify-self: end;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 760;
}

.case-constraint {
  display: grid;
  margin-top: 18px;
  padding: 20px 24px;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  border-radius: var(--radius);
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 20px;
}

.case-constraint p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.case-constraint a {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 760;
}

.evaluation-copy h3 {
  margin-top: 18px;
  margin-bottom: 15px;
}

.evaluation-copy p {
  margin-bottom: 0;
  color: var(--text-soft);
}

.evaluation-list {
  margin: 0;
}

.evaluation-list div {
  display: flex;
  padding: 12px 0;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid rgb(242 195 107 / 18%);
}

.evaluation-list dt {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
}

.evaluation-list dd {
  margin: 0;
  color: var(--amber);
  font-size: 0.76rem;
  font-weight: 700;
  text-align: right;
}

.limitations {
  margin-top: 18px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  border-radius: var(--radius);
}

.limitations summary {
  display: flex;
  padding: 20px 24px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  list-style: none;
  font-size: 0.82rem;
  font-weight: 720;
}

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

.limitations summary > span:first-child {
  display: flex;
  align-items: center;
  gap: 14px;
}

.summary-icon {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  transition: transform 160ms ease;
}

.limitations[open] .summary-icon {
  transform: rotate(45deg);
}

.limitations-grid {
  display: grid;
  padding: 0 24px 24px;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.limitations-grid p {
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--bg-deep);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
}

.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.project-card {
  display: flex;
  min-width: 0;
  min-height: 310px;
  padding: clamp(24px, 3vw, 34px);
  flex-direction: column;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, var(--surface), var(--surface-soft));
  border-radius: var(--radius-lg);
  transition: border-color 160ms ease, transform 160ms ease;
}

.research-grid,
.training-grid {
  display: grid;
  gap: 16px;
}

.research-card {
  display: grid;
  padding: clamp(24px, 3.5vw, 36px);
  align-items: end;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  border-radius: var(--radius-lg);
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  gap: clamp(32px, 7vw, 90px);
}

.research-card h3,
.training-card h3 {
  margin: 18px 0 10px;
  font-size: clamp(1.2rem, 2.2vw, 1.7rem);
}

.research-card p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.research-card__footer {
  display: grid;
  gap: 22px;
}

.research-card__footer a {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 760;
}

.training-card {
  padding: clamp(24px, 3.5vw, 36px);
  border: 1px solid rgb(121 224 192 / 30%);
  background: linear-gradient(145deg, rgb(24 62 53 / 35%), var(--surface-soft) 62%);
  border-radius: var(--radius-lg);
}

.training-card p {
  margin-bottom: 8px;
  color: var(--text-soft);
  font-size: 0.82rem;
}

.training-card strong {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.project-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.project-card__topline {
  display: flex;
  margin-bottom: 44px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.project-card__index {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.project-card h3 {
  margin-bottom: 14px;
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  line-height: 1.14;
  letter-spacing: -0.035em;
}

.project-card__description {
  margin-bottom: 24px;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.project-card__points {
  display: grid;
  padding: 0;
  margin: 0 0 28px;
  gap: 9px;
  list-style: none;
}

.project-card__points li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.76rem;
}

.project-card__points li::before {
  position: absolute;
  top: 0.58em;
  left: 0;
  width: 7px;
  height: 1px;
  background: var(--accent);
  content: "";
}

.project-card__footer {
  display: flex;
  margin-top: auto;
  padding-top: 18px;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
}

.tag:not(:last-child)::after {
  margin-left: 6px;
  color: var(--line-strong);
  content: "/";
}

.project-card__link {
  min-width: max-content;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
}

.noscript-note {
  padding: 20px;
  border: 1px solid var(--line);
  color: var(--text-soft);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.capability-card {
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  border-radius: var(--radius);
}

.capability-card__icon {
  display: grid;
  width: 34px;
  height: 34px;
  margin-bottom: 38px;
  place-items: center;
  border: 1px solid rgb(121 224 192 / 34%);
  color: var(--accent);
  background: var(--accent-deep);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 800;
}

.capability-card h3 {
  margin-bottom: 18px;
  font-size: 1rem;
}

.capability-list {
  display: flex;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
  gap: 7px;
  list-style: none;
}

.capability-list li {
  padding: 7px 9px;
  border: 1px solid var(--line);
  color: var(--text-soft);
  background: var(--bg-deep);
  border-radius: 6px;
  font-size: 0.69rem;
}

.developing-row {
  margin-top: 16px;
  padding: 22px 26px;
  border: 1px dashed var(--line-strong);
  background: rgb(14 20 23 / 64%);
  border-radius: var(--radius);
}

.developing-row > div {
  display: flex;
  align-items: center;
  gap: 20px;
}

.developing-row p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.82rem;
}

.experience-card {
  display: grid;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--line-strong);
  background: linear-gradient(120deg, var(--surface-raised), var(--surface-soft));
  border-radius: var(--radius-lg);
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(42px, 9vw, 120px);
}

.subsection-heading--spaced {
  margin-top: clamp(46px, 6vw, 72px);
}

.additional-experience-card {
  display: grid;
  padding: 26px 30px;
  align-items: center;
  border: 1px dashed var(--line-strong);
  background: rgb(14 20 23 / 64%);
  border-radius: var(--radius);
  grid-template-columns: minmax(260px, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(28px, 6vw, 76px);
}

.additional-experience-card h3 {
  margin: 0 0 6px;
  font-size: 1.1rem;
}

.additional-experience-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.additional-experience-list {
  display: grid;
  padding: 0;
  margin: 0;
  gap: 10px;
  list-style: none;
}

.additional-experience-list li {
  position: relative;
  padding-left: 18px;
  color: var(--text-soft);
  font-size: 0.8rem;
}

.additional-experience-list li::before {
  position: absolute;
  top: 0.64em;
  left: 0;
  width: 7px;
  height: 1px;
  background: var(--accent);
  content: "";
}

.experience-meta h3 {
  margin-bottom: 8px;
  font-size: clamp(1.8rem, 3.6vw, 3rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.experience-meta a {
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 700;
}

.impact-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.impact-list li {
  display: grid;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
}

.impact-list span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.66rem;
}

.impact-list p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.86rem;
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.education-card {
  display: grid;
  min-width: 0;
  min-height: 310px;
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid var(--line);
  background: var(--surface-soft);
  border-radius: var(--radius-lg);
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 24px;
}

.education-card--primary {
  border-color: rgb(121 224 192 / 35%);
  background: linear-gradient(145deg, rgb(24 62 53 / 43%), var(--surface-soft) 58%);
}

.education-year {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.education-card h3 {
  margin: 28px 0 8px;
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  line-height: 1.16;
  letter-spacing: -0.035em;
}

.education-card .mini-label + h3 {
  margin-top: 22px;
}

.education-school {
  margin-bottom: 24px;
  color: var(--accent);
  font-size: 0.79rem;
  font-weight: 750;
}

.education-card p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.81rem;
}

.credential-row {
  display: flex;
  margin-top: 16px;
  padding: 20px 24px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  border-radius: var(--radius);
  font-size: 0.78rem;
}

.credential-list {
  display: grid;
  margin-top: 16px;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.credential-list .credential-row {
  margin-top: 0;
}

.credential-row .mini-label {
  margin: 0;
}

.credential-row span:last-child {
  color: var(--text-soft);
}

.contact-section {
  margin-top: clamp(50px, 8vw, 110px);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background:
    linear-gradient(110deg, rgb(24 62 53 / 50%), transparent 48%),
    var(--surface);
}

.contact-shell {
  display: grid;
  padding-block: clamp(76px, 10vw, 132px);
  grid-template-columns: minmax(0, 0.9fr) minmax(330px, 1.1fr);
  gap: clamp(52px, 10vw, 130px);
}

.contact-copy > p:first-child {
  max-width: 650px;
  margin-bottom: 32px;
  color: var(--text-soft);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
}

.contact-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 20px;
}

.contact-links > a:not(.button) {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 760;
}

.button--copy {
  min-width: 110px;
}

.contact-location {
  margin: 29px 0 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.site-footer {
  background: var(--bg-deep);
}

.footer-shell {
  display: flex;
  min-height: 96px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-shell p {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.copy-toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 200;
  padding: 11px 15px;
  border: 1px solid rgb(121 224 192 / 45%);
  color: var(--accent-strong);
  background: var(--accent-deep);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  font-size: 0.75rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.copy-toast[data-visible="true"] {
  opacity: 1;
  transform: translateY(0);
}

.case-page-hero {
  display: grid;
  min-height: min(760px, calc(100vh - var(--header-height)));
  padding-block: clamp(90px, 11vw, 150px);
  align-items: center;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  gap: clamp(48px, 9vw, 120px);
}

.case-page-hero h1 {
  max-width: 900px;
  margin: 20px 0 24px;
  font-size: clamp(3rem, 6.8vw, 6.8rem);
  line-height: 0.96;
  letter-spacing: -0.064em;
}

.case-page-lead {
  max-width: 780px;
  margin-bottom: 30px;
  color: var(--text-soft);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.mode-card {
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid var(--line-strong);
  background: linear-gradient(145deg, var(--surface), var(--surface-soft));
  border-radius: var(--radius-lg);
}

.mode-card h3 {
  margin: 24px 0 12px;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
}

.mode-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.evidence-section--case {
  padding-top: clamp(58px, 7vw, 90px);
}

.limitations-grid--standalone {
  padding: 0;
}

.limitations-grid--standalone p {
  min-height: 142px;
  padding: 26px;
  font-size: 0.82rem;
}

.case-page-close {
  display: flex;
  margin-top: 24px;
  padding: 26px 30px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border: 1px solid var(--line-strong);
  background: var(--surface-raised);
  border-radius: var(--radius);
}

.case-page-close p {
  max-width: 740px;
  margin: 0;
  color: var(--text-soft);
  font-size: 0.84rem;
}

.case-page-close .button {
  min-width: max-content;
}

@media (max-width: 1040px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(290px, 0.55fr);
    gap: 48px;
  }

  .hero-role {
    font-size: clamp(3.15rem, 7.4vw, 5.4rem);
  }

  .architecture-flow {
    grid-template-columns: repeat(4, 1fr);
  }

  .architecture-flow li:not(:last-child)::after {
    display: none;
  }

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

  .case-links {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 860px) {
  html {
    scroll-padding-top: 84px;
  }

  .header-shell {
    min-height: 68px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 20px;
    left: 20px;
    display: none;
    padding: 13px;
    border: 1px solid var(--line-strong);
    align-items: stretch;
    flex-direction: column;
    background: var(--surface-raised);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .site-nav[data-open="true"] {
    display: flex;
  }

  .case-page-nav {
    position: static;
    display: flex;
    width: auto;
    padding: 0;
    border: 0;
    align-items: center;
    flex-direction: row;
    background: transparent;
    box-shadow: none;
  }

  .site-nav a {
    padding: 10px 12px;
  }

  .site-nav a::after {
    display: none;
  }

  .site-nav .nav-cta {
    border-radius: var(--radius-sm);
  }

  .hero {
    min-height: auto;
    padding-block: 88px 90px;
    grid-template-columns: 1fr;
  }

  .case-page-hero {
    min-height: auto;
    padding-block: 88px 96px;
    grid-template-columns: 1fr;
  }

  .brief-panel {
    max-width: 620px;
  }

  .case-intro,
  .evaluation-panel,
  .experience-card,
  .research-card,
  .additional-experience-card,
  .contact-shell {
    grid-template-columns: 1fr;
  }

  .case-constraint {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .case-detail-link {
    justify-self: start;
  }

  .case-note {
    margin-top: 0;
  }

  .evidence-grid,
  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .evaluation-panel,
  .experience-card,
  .contact-shell {
    gap: 42px;
  }

  .education-grid {
    grid-template-columns: 1fr;
  }

  .education-card {
    min-height: 0;
  }
}

@media (max-width: 640px) {
  .section-shell,
  .header-shell {
    width: min(calc(100% - 28px), var(--shell));
  }

  .brand-copy span {
    display: none;
  }

  .hero {
    padding-block: 66px 76px;
  }

  .hero-role {
    font-size: clamp(2.75rem, 14vw, 4.25rem);
    line-height: 0.98;
  }

  .hero-summary {
    font-size: 0.98rem;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .button {
    width: 100%;
    min-height: 48px;
    justify-content: space-between;
  }

  .location-line {
    align-items: flex-start;
    line-height: 1.7;
  }

  .brief-list div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .signal-strip {
    gap: 8px;
  }

  .signal-strip span {
    font-size: 0.58rem;
  }

  main > .section-shell:not(.hero) {
    padding-block: 76px;
  }

  .section-heading,
  .card-heading,
  .subsection-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .heading-note,
  .mono-note,
  .subsection-heading > p {
    text-align: left;
  }

  .case-links,
  .architecture-flow,
  .problem-grid,
  .evidence-grid,
  .project-grid,
  .capability-grid,
  .limitations-grid {
    grid-template-columns: 1fr;
  }

  .mode-grid {
    grid-template-columns: 1fr;
  }

  .credential-list {
    grid-template-columns: 1fr;
  }

  .case-links a {
    min-height: 54px;
  }

  .architecture-flow li {
    min-height: 112px;
  }

  .node-index {
    margin-bottom: 18px;
  }

  .evidence-grid article {
    min-height: 170px;
  }

  .limitations summary > span:first-child {
    align-items: flex-start;
    flex-direction: column;
  }

  .project-card {
    min-height: 0;
  }

  .project-card__footer,
  .developing-row > div,
  .credential-row,
  .footer-shell {
    align-items: flex-start;
    flex-direction: column;
  }

  .education-card {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .education-card h3 {
    margin-top: 18px;
  }

  .contact-links {
    align-items: stretch;
    flex-direction: column;
  }

  .contact-links .button {
    width: 100%;
    justify-content: space-between;
  }

  .contact-links > a:not(.button) {
    padding: 8px 0;
  }

  .case-page-nav a:not(.nav-cta) {
    display: none;
  }

  .case-page-close {
    align-items: stretch;
    flex-direction: column;
  }

  .case-page-close .button {
    width: 100%;
    justify-content: space-between;
  }

  .footer-shell {
    padding-block: 28px;
    justify-content: center;
  }
}

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