:root {
  --background: #f2f4f5;
  --surface: #ffffff;
  --surface-alt: #e8edef;
  --text: #1b2528;
  --muted: #59696d;
  --border: #ccd6d8;
  --accent: #0891b2;
  --accent-strong: #0a6c81;
  --accent-soft: #d8eef2;
  --success: #0f9d68;
  --warning: #9a6700;
  --paused: #6b7280;
  --shadow: 0 14px 40px rgba(25, 31, 45, 0.08);
  --radius-sm: 0.75rem;
  --radius-md: 1.25rem;
  --radius-lg: 1.75rem;
  --container: 1120px;
}

html[data-theme="dark"] {
  --background: #12171a;
  --surface: #1a2124;
  --surface-alt: #161c1f;
  --text: #e7eef0;
  --muted: #9db0b4;
  --border: #2b3538;
  --accent: #34a7bb;
  --accent-strong: #5cbfd0;
  --accent-soft: #102f36;
  --success: #34d399;
  --warning: #f0c66b;
  --paused: #aab3c5;
  --shadow: 0 16px 44px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  overflow-x: clip;
  background: var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  transition: background-color 180ms ease, color 180ms ease;
}

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

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

button {
  font: inherit;
}

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

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.narrow {
  max-width: 780px;
}

.section {
  padding: 7rem 0;
}

.section-alt {
  background: var(--surface-alt);
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 999;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--text);
  color: var(--background);
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

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

.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;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: color-mix(in srgb, var(--background) 84%, transparent);
  backdrop-filter: blur(18px);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.site-header.scrolled {
  border-color: var(--border);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

.nav {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.brand > span:first-child {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.nav-menu > a {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 650;
  transition: color 150ms ease, transform 180ms ease;
}

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

.nav-menu > a[aria-current="true"] {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.45rem;
}

.theme-toggle,
.language-toggle,
.nav-toggle {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.theme-toggle {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
}

.social-link {
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  display: grid;
  place-items: center;
  transition: transform 180ms ease, border-color 180ms ease, color 180ms ease;
}

.social-link svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor;
}

.language-toggle {
  min-width: 6.1rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  padding: 0 0.7rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.06em;
}

.language-label {
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
}

.language-code {
  color: var(--accent);
}

.language-arrow {
  color: var(--accent);
  font-size: 0.95rem;
  line-height: 1;
  transition: transform 180ms ease;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  padding: 0.65rem;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  background: currentColor;
  margin: 4px 0;
  transition: transform 160ms ease, opacity 160ms ease;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-top: 8rem;
}

.hero::before {
  content: "";
  position: absolute;
  width: 36rem;
  height: 36rem;
  right: -12rem;
  top: -16rem;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 14%, transparent), transparent 68%);
  pointer-events: none;
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, var(--background) 18%, color-mix(in srgb, var(--background) 55%, transparent) 55%, var(--background) 92%);
}

.hero-bg-slide {
  position: absolute;
  inset: -2%;
  background-size: cover;
  background-position: center;
  filter: grayscale(1) blur(3px) contrast(0.92);
  opacity: 0;
  animation: hero-bg-crossfade 21s ease-in-out infinite;
}

.hero-bg-slide:nth-child(1) { animation-delay: 0s; }
.hero-bg-slide:nth-child(2) { animation-delay: 7s; }
.hero-bg-slide:nth-child(3) { animation-delay: 14s; }

@keyframes hero-bg-crossfade {
  0%, 100% { opacity: 0; }
  3% { opacity: 0.16; }
  28% { opacity: 0.16; }
  33% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-bg-slide {
    animation: none;
    opacity: 0;
  }

  .hero-bg-slide:first-child {
    opacity: 0.12;
  }
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(310px, 0.85fr);
  gap: 5rem;
  align-items: center;
}

.eyebrow,
.section-kicker {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.1;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 850px;
  margin-bottom: 1.5rem;
  font-size: clamp(3rem, 7vw, 5.9rem);
}

h2 {
  max-width: 790px;
  margin-bottom: 1.4rem;
  font-size: clamp(2.25rem, 4.6vw, 4rem);
}

h3 {
  font-size: 1.45rem;
}

.hero-description,
.lead {
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.28rem);
}

.hero-description {
  max-width: 720px;
}

.hero-quote {
  max-width: 640px;
  margin: 0.9rem 0 0;
  color: var(--accent-strong);
  font-size: 0.95rem;
  font-style: italic;
  letter-spacing: 0.01em;
}

.hero-actions,
.contact-actions,
.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero-actions {
  margin: 2rem 0;
}

.button {
  min-height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 0.9rem;
  font-weight: 750;
  transition: transform 180ms ease, background-color 150ms ease, border-color 150ms ease, box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--accent);
  color: #fff;
}

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

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

.location-icon {
  display: inline-block;
  color: var(--accent);
  width: 1.05em;
  height: 1.05em;
  margin-right: 0.25em;
  vertical-align: -0.15em;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin: 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
  font-size: 0.92rem;
}

.terminal-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #10171a;
  box-shadow: var(--shadow);
  transform: rotate(1.2deg);
  transition: transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 220ms ease, box-shadow 280ms ease;
}

.terminal-bar {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid #232c2f;
}

.terminal-bar span {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: #55636a;
}

.terminal-bar span:nth-child(1) { background: #f87171; }
.terminal-bar span:nth-child(2) { background: #facc15; }
.terminal-bar span:nth-child(3) { background: #4ade80; }

.terminal-card pre {
  margin: 0;
  padding: 2rem;
  overflow-x: auto;
  color: #e7eef0;
  font: 0.92rem/1.7 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.terminal-muted { color: #7d8f93; }
.terminal-key { color: #5cb8c4; }
.terminal-success { color: #5fe0ad; }

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.section-heading h2 {
  margin-bottom: 0;
}

.text-link,
.project-links a {
  display: inline-flex;
  color: var(--accent);
  font-weight: 750;
  transition: color 180ms ease, transform 180ms ease;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.project-card {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.project-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: var(--shadow);
}

.card-clickable {
  position: relative;
  cursor: pointer;
  touch-action: manipulation;
}

.card-clickable h3 {
  transition: color 180ms ease;
}

.card-clickable:hover h3 {
  color: var(--accent);
}

.project-card .card-primary-link::after {
  content: '';
  position: absolute;
  z-index: 1;
  inset: 0;
  border-radius: var(--radius-md);
}

.card-clickable .project-links a:not(.card-primary-link) {
  position: relative;
  z-index: 2;
}

.card-link-arrow {
  display: inline-block;
  transition: transform 180ms ease;
}

.card-clickable:has(.card-primary-link:focus-visible) {
  outline: 3px solid color-mix(in srgb, var(--accent) 70%, white);
  outline-offset: 3px;
}

.project-featured {
  grid-row: span 2;
  min-height: 805px;
  justify-content: flex-end;
  background:
    linear-gradient(to bottom, transparent, color-mix(in srgb, var(--surface) 92%, transparent)),
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 16%, transparent), transparent 42%),
    var(--surface);
}

.project-wide {
  grid-column: 1 / -1;
  min-height: 320px;
}

.project-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.project-featured .project-topline {
  margin-bottom: auto;
}

.project-number {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.status {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
}

.status-done {
  background: color-mix(in srgb, var(--success) 17%, transparent);
  color: var(--success);
}

.status-progress {
  background: color-mix(in srgb, var(--warning) 16%, transparent);
  color: var(--warning);
}

.status-paused {
  background: color-mix(in srgb, var(--paused) 15%, transparent);
  color: var(--paused);
}

.project-card p {
  color: var(--muted);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  transition: transform 180ms ease, border-color 180ms ease, color 180ms ease, background-color 180ms ease;
}

.project-links {
  margin-top: auto;
}

.case-hero {
  padding: 7rem 0 5rem;
}

.case-breadcrumb {
  display: inline-flex;
  margin-bottom: 2rem;
  color: var(--muted);
  font-weight: 700;
}

.case-title {
  max-width: 980px;
  font-size: clamp(3rem, 8vw, 6rem);
}

.case-brand {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.case-brand .case-title {
  margin-bottom: 0;
}

.case-logo {
  flex-shrink: 0;
  width: 4.25rem;
  height: 4.25rem;
  border-radius: 1.1rem;
  box-shadow: var(--shadow);
}

.case-brand-sm {
  gap: 0.75rem;
  margin-bottom: 1.4rem;
}

.case-brand-sm .eyebrow {
  margin-bottom: 0;
}

.case-logo-sm {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  box-shadow: none;
}

.case-intro {
  max-width: 820px;
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.case-meta li {
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, color 180ms ease, background-color 180ms ease;
}

.case-content {
  display: grid;
  gap: 5rem;
}

.case-section-heading {
  max-width: 780px;
  margin-bottom: 2rem;
}

.case-section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.case-section-heading .lead {
  color: var(--muted);
}

.case-block {
  display: grid;
  grid-template-columns: minmax(220px, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: start;
}

.case-block h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.case-prose {
  min-width: 0;
  max-width: 760px;
}

.case-prose code {
  overflow-wrap: anywhere;
}

.case-prose > p,
.case-prose li {
  color: var(--muted);
}

.case-prose strong {
  color: var(--text);
}

.case-formula {
  margin-top: 2rem;
  padding: 1.5rem;
  border-left: 3px solid var(--accent);
  background: var(--surface);
  transition: transform 220ms ease, box-shadow 220ms ease, background-color 220ms ease;
}

.case-formula p {
  margin-bottom: 0.7rem;
}

.case-formula p:last-child {
  margin-bottom: 0;
}

.case-formula code {
  display: block;
  margin: 1rem 0;
  color: var(--accent-strong);
  font: 700 0.95rem/1.5 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.case-figure {
  max-width: 820px;
  margin: 0 auto;
}

.case-figure img {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  transition: transform 300ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 220ms ease, box-shadow 300ms ease;
}

.case-figure figcaption {
  margin-top: 0.8rem;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.case-figure-chart svg {
  display: block;
  width: 100%;
  height: auto;
  padding: 1.5rem 1rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  box-sizing: border-box;
}

.case-table-wrapper {
  margin: 2rem 0 0;
}

.case-table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.case-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: right;
}

.case-table caption {
  padding: 1rem 1.1rem 0.75rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
}

.case-table th,
.case-table td {
  padding: 0.7rem 1.1rem;
  white-space: nowrap;
}

.case-table thead th {
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.case-table tbody th {
  color: var(--text);
  font-weight: 500;
}

.case-table th:first-child {
  text-align: left;
}

.case-table tbody td {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.case-table tbody tr + tr th,
.case-table tbody tr + tr td {
  border-top: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
}

.case-table .case-table-highlight th,
.case-table .case-table-highlight td {
  background: color-mix(in srgb, var(--accent-soft) 30%, transparent);
  color: var(--text);
  font-weight: 600;
}

.case-table-wrapper figcaption {
  margin-top: 0.8rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.case-list {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding-left: 1.25rem;
}

.security-list {
  min-width: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 2rem;
  padding: 0;
  list-style: none;
}

.security-list li {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 180ms ease, box-shadow 220ms ease, background-color 180ms ease;
}

.security-list code {
  color: var(--accent-strong);
}

.case-highlight {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--border));
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--accent-soft) 55%, var(--surface));
  transition: transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 220ms ease, box-shadow 240ms ease;
}

.case-highlight p:last-child {
  margin-bottom: 0;
}

.case-results {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.case-result {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 180ms ease, box-shadow 220ms ease;
}

.case-result strong {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--accent);
  font-size: 1.6rem;
  line-height: 1.15;
  transition: transform 220ms ease, color 180ms ease;
}

.case-result span {
  color: var(--muted);
  font-size: 0.9rem;
}

.system-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: flow;
}

.flow-step {
  position: relative;
  min-height: 240px;
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 180ms ease, box-shadow 240ms ease, background-color 180ms ease;
}

.flow-step:not(:last-child)::after {
  content: '→';
  position: absolute;
  z-index: 1;
  top: 50%;
  right: -0.72rem;
  display: grid;
  width: 1.35rem;
  height: 1.35rem;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--background);
  color: var(--accent);
  font-weight: 900;
  transform: translateY(-50%);
  transition: transform 220ms ease, border-color 180ms ease, background-color 180ms ease;
}

.flow-index,
.architecture-card > span {
  display: block;
  margin-bottom: 1rem;
  color: var(--accent);
  font: 800 0.76rem/1.2 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 220ms ease, color 180ms ease;
}

.flow-step strong {
  display: block;
  margin-bottom: 0.7rem;
  font-size: 1.08rem;
  transition: color 180ms ease, transform 220ms ease;
}

.flow-step p,
.architecture-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.architecture-grid {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.architecture-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 180ms ease, box-shadow 240ms ease, background-color 180ms ease;
}

.architecture-card h3 {
  margin-bottom: 0.7rem;
  font-size: 1.2rem;
  transition: color 180ms ease, transform 220ms ease;
}

.state-machine {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 75% 20%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 40%),
    var(--surface);
  transition: border-color 220ms ease, box-shadow 240ms ease;
}

.fsm-automaton {
  display: block;
  width: 100%;
  min-width: 700px;
  height: auto;
  overflow: visible;
}

.fsm-mobile-flow {
  display: none;
}

.fsm-main-arrows path,
.fsm-branch-arrows path {
  fill: none;
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-width: 3;
  marker-end: url(#fsm-arrow);
}

.fsm-branch-arrows path {
  stroke-dasharray: 8 7;
  stroke-width: 2.5;
}

#fsm-arrow path {
  fill: var(--accent);
}

.fsm-state {
  color: var(--text);
  cursor: default;
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 180ms ease;
}

.fsm-state circle {
  fill: var(--background);
  stroke: var(--border);
  stroke-width: 2.5;
  transition: fill 180ms ease, stroke 180ms ease, filter 180ms ease;
}

.fsm-state text {
  fill: currentColor;
  font: 800 14px/1.2 Inter, ui-sans-serif, system-ui, sans-serif;
}

.fsm-state-success {
  color: var(--success);
}

.fsm-state-success circle {
  fill: color-mix(in srgb, var(--success) 12%, var(--background));
  stroke: var(--success);
}

.fsm-path-label {
  fill: var(--muted);
  font: 700 13px/1.2 Inter, ui-sans-serif, system-ui, sans-serif;
}

.fsm-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.25rem;
  min-width: 700px;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.78rem;
}

.fsm-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.fsm-legend strong {
  color: var(--text);
}

.fsm-legend-circle,
.fsm-legend-dashed {
  display: inline-block;
  width: 0.8rem;
  height: 0.8rem;
  border: 2px solid var(--accent);
  border-radius: 50%;
}

.fsm-legend-arrow {
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 900;
}

.fsm-legend-dashed {
  width: 1.3rem;
  height: 0;
  border-width: 2px 0 0;
  border-style: dashed;
  border-radius: 0;
}

.state-main-flow,
.state-retry-flow,
.state-extra-flow {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.state-main-flow {
  justify-content: space-between;
}

.state-retry-flow,
.state-extra-flow {
  margin-left: 38%;
}

.state-node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.6rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--background);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 800;
  text-align: center;
  white-space: nowrap;
  transition: transform 180ms ease, border-color 180ms ease, color 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.state-success {
  border-color: color-mix(in srgb, var(--success) 60%, var(--border));
  color: var(--success);
}

.state-error {
  border-color: color-mix(in srgb, var(--warning) 60%, var(--border));
  color: var(--warning);
}

.state-arrow,
.state-branch {
  color: var(--accent);
  font-weight: 900;
  transition: transform 180ms ease, color 180ms ease;
}

.state-return {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  transition: transform 180ms ease, color 180ms ease;
}

.case-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 220ms ease, box-shadow 240ms ease;
}

.case-cta h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.skills-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 4rem;
  align-items: start;
}

.experience-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 4rem;
  align-items: start;
}

.experience-card {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 180ms ease, box-shadow 240ms ease;
}

.experience-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.experience-heading h3 {
  margin-bottom: 0.4rem;
}

.experience-brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.experience-logo {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.7rem;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.experience-company,
.experience-period {
  color: var(--muted);
  font-weight: 700;
}

.experience-period {
  flex: 0 0 auto;
  margin-bottom: 0;
  font-size: 0.9rem;
}

.experience-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.75rem 0 0;
}

.experience-facts div {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  transition: transform 200ms ease, border-color 180ms ease, background-color 180ms ease;
}

.experience-facts dt {
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 850;
  line-height: 1.2;
  transition: transform 200ms ease;
}

.experience-facts dd {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.experience-list {
  display: grid;
  gap: 0.75rem;
  margin: 1.75rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.experience-evaluation {
  margin-top: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}

.experience-evaluation h4 {
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.experience-evaluation > p {
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.experience-metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.experience-metric-grid li {
  display: grid;
  gap: 0.5rem;
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  transition: transform 200ms ease, border-color 180ms ease, background-color 180ms ease;
}

.experience-metric-grid strong {
  color: var(--accent);
  font-size: 0.85rem;
  line-height: 1.3;
}

.experience-metric-grid span {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.55;
}

.experience-evaluation .evaluation-note {
  margin: 0.9rem 0 0;
  padding-left: 0.8rem;
  border-left: 2px solid var(--accent);
  font-size: 0.8rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.skill-group {
  min-height: 190px;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 180ms ease, box-shadow 220ms ease, background-color 180ms ease;
}

.skill-group h3 {
  margin-bottom: 0.75rem;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  transition: color 180ms ease, transform 200ms ease;
}

.skill-group p,
.contact-card p,
.site-footer {
  color: var(--muted);
}

.soft-skills {
  grid-column: 1 / -1;
  margin-top: 3rem;
  padding-top: 4rem;
  border-top: 1px solid var(--border);
}

.soft-skills-heading {
  max-width: 820px;
  margin-bottom: 2.5rem;
}

.soft-skills-heading h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

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

.soft-skill-card {
  min-height: 190px;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 180ms ease, box-shadow 220ms ease, background-color 180ms ease;
}

.soft-skill-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  transition: color 180ms ease, transform 200ms ease;
}

.soft-skill-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.contact-section {
  padding-top: 2rem;
}

.contact-card {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 220ms ease, box-shadow 240ms ease;
}

.contact-card h2 {
  max-width: 760px;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.footer-content p {
  margin-bottom: 0;
}

@media (hover: hover) {
  .theme-toggle:hover,
  .language-toggle:hover,
  .nav-toggle:hover,
  .social-link:hover,
  .button-secondary:hover {
    border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  }

  .social-link:hover {
    color: var(--accent);
    transform: translateY(-2px);
  }

  .nav-menu > a:hover {
    transform: translateY(-2px);
  }

  .language-toggle:hover {
    box-shadow: 0 6px 14px color-mix(in srgb, var(--accent) 8%, transparent);
    transform: translateY(-1px);
  }

  .language-toggle:hover .language-arrow {
    transform: rotate(180deg) scale(1.05);
  }

  .button:hover {
    box-shadow: 0 6px 16px color-mix(in srgb, var(--accent) 8%, transparent);
    transform: translateY(-2px);
  }

  .terminal-card:hover {
    border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.3);
    transform: rotate(0deg) translateY(-4px);
  }

  .tag-list li:hover,
  .case-meta li:hover {
    border-color: color-mix(in srgb, var(--accent) 60%, var(--border));
    background: color-mix(in srgb, var(--accent-soft) 48%, transparent);
    color: var(--text);
    transform: translateY(-2px);
  }

  .case-formula:hover {
    background: color-mix(in srgb, var(--accent-soft) 28%, var(--surface));
    box-shadow: 0 10px 26px color-mix(in srgb, var(--accent) 5%, transparent);
    transform: translateX(4px);
  }

  .case-figure:hover img {
    border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
    box-shadow: 0 16px 45px color-mix(in srgb, var(--accent) 6%, transparent);
    transform: scale(1.006);
  }

  .case-highlight:hover,
  .case-cta:hover,
  .contact-card:hover,
  .experience-card:hover {
    border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
    box-shadow: 0 14px 38px color-mix(in srgb, var(--accent) 6%, transparent);
    transform: translateY(-3px);
  }

  .flow-step:hover,
  .architecture-card:hover,
  .case-result:hover,
  .security-list li:hover,
  .skill-group:hover,
  .soft-skill-card:hover {
    z-index: 2;
    border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
    background-color: color-mix(in srgb, var(--accent-soft) 22%, var(--surface));
    box-shadow: 0 12px 30px color-mix(in srgb, var(--accent) 6%, transparent);
    transform: translateY(-4px);
  }

  .flow-step:hover .flow-index,
  .architecture-card:hover > span {
    color: var(--accent-strong);
    transform: translateX(5px);
  }

  .flow-step:hover strong,
  .architecture-card:hover h3,
  .skill-group:hover h3,
  .soft-skill-card:hover h3 {
    color: var(--accent);
    transform: translateX(3px);
  }

  .flow-step:not(:last-child):hover::after {
    border-color: var(--accent);
    background: var(--accent);
    color: #fff;
  }

  .case-result:hover strong {
    color: var(--accent-strong);
    transform: translateY(-1px);
    transform-origin: left center;
  }

  .state-machine:hover {
    border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
    box-shadow: 0 10px 28px color-mix(in srgb, var(--accent) 5%, transparent);
  }

  .fsm-state:hover {
    transform: scale(1.03);
  }

  .fsm-state:hover circle {
    filter: drop-shadow(0 4px 8px color-mix(in srgb, var(--accent) 10%, transparent));
  }

  .state-node:hover {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent-soft) 55%, var(--background));
    box-shadow: 0 6px 16px color-mix(in srgb, var(--accent) 8%, transparent);
    color: var(--accent-strong);
    transform: translateY(-2px);
  }

  .state-node:hover + .state-arrow,
  .state-node:hover + .state-return {
    color: var(--accent-strong);
    transform: translateX(3px);
  }

  .experience-facts div:hover {
    border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
    background: color-mix(in srgb, var(--accent-soft) 32%, var(--surface-alt));
    transform: translateY(-2px);
  }

  .experience-facts div:hover dt {
    transform: translateY(-1px);
    transform-origin: left center;
  }

  .experience-metric-grid li:hover {
    border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
    background: color-mix(in srgb, var(--accent-soft) 32%, var(--surface-alt));
    transform: translateY(-2px);
  }

  .text-link:hover,
  .project-links a:hover {
    color: var(--accent-strong);
  }

  .project-links a:not(.card-primary-link):hover {
    transform: translateX(3px);
  }

  .card-clickable:hover .card-link-arrow {
    transform: translateX(4px);
  }
}

@media (hover: none), (pointer: coarse) {
  .project-card:hover {
    transform: none;
  }

  .card-clickable:active {
    transform: scale(0.995);
    border-color: color-mix(in srgb, var(--accent) 60%, var(--border));
  }

  .card-clickable:active h3 {
    color: var(--accent);
  }
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 70%, white);
  outline-offset: 3px;
}

@media (max-width: 900px) {
  .section {
    padding: 5.5rem 0;
  }

  .hero-grid,
  .skills-layout,
  .experience-layout,
  .case-block {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 3rem;
  }

  .terminal-card {
    max-width: 620px;
    transform: none;
  }

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

  .project-featured {
    grid-row: auto;
    min-height: 460px;
  }

  .project-wide {
    grid-column: auto;
  }

  .contact-card {
    align-items: start;
    flex-direction: column;
  }

  .experience-heading {
    flex-direction: column;
  }

  .experience-facts {
    grid-template-columns: 1fr;
  }

  .experience-metric-grid {
    grid-template-columns: 1fr;
  }

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

  .case-results {
    grid-template-columns: 1fr;
  }

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

  .system-flow {
    grid-template-columns: 1fr;
  }

  .flow-step {
    min-height: 0;
  }

  .flow-step:not(:last-child)::after {
    top: auto;
    right: 50%;
    bottom: -0.72rem;
    transform: translateX(50%) rotate(90deg);
  }

  .state-main-flow,
  .state-retry-flow,
  .state-extra-flow {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .state-retry-flow {
    margin-left: 0;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
  }

  .state-extra-flow {
    margin-left: 0;
  }

  .case-cta {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .architecture-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .nav {
    gap: 0.65rem;
  }

  .nav-toggle {
    display: block;
    position: relative;
    z-index: 102;
  }

  .nav-menu {
    position: fixed;
    inset: 4.5rem 1rem auto 1rem;
    z-index: 101;
    display: grid;
    gap: 0;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.75rem);
    transition: opacity 160ms ease, visibility 160ms ease, transform 160ms ease;
  }

  .nav-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-menu > a {
    padding: 0.85rem;
  }

  .nav-menu > a[aria-current="true"] {
    text-underline-offset: 0.3rem;
  }

  .nav-actions {
    gap: 0.4rem;
    margin-left: auto;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(4) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .hero {
    padding-top: 5.5rem;
  }

  h1 {
    font-size: clamp(2.7rem, 13vw, 4.2rem);
  }

  .section-heading,
  .footer-content {
    align-items: start;
    flex-direction: column;
  }

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

  .soft-skills-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .brand > span:last-child {
    display: none;
  }

  .social-link {
    display: none;
  }

  .language-toggle {
    min-width: 5.8rem;
    padding-inline: 0.55rem;
  }
}

@media (max-width: 360px) {
  .language-label {
    display: none;
  }

  .language-toggle {
    min-width: 3.5rem;
  }
}

@media (max-width: 700px) {
  .state-machine {
    overflow: hidden;
  }

  .fsm-automaton,
  .fsm-legend {
    display: none;
  }

  .fsm-mobile-flow {
    display: grid;
    justify-items: center;
    gap: 0.45rem;
  }

  .fsm-mobile-node {
    width: min(100%, 15rem);
    padding: 0.75rem 1rem;
    border: 2px solid var(--border);
    border-radius: 999px;
    background: var(--background);
    color: var(--text);
    font-size: 0.88rem;
    font-weight: 800;
    text-align: center;
  }

  .fsm-mobile-success {
    border-color: var(--success);
    background: color-mix(in srgb, var(--success) 12%, var(--background));
    color: var(--success);
  }

  .fsm-mobile-arrow {
    color: var(--accent);
    font-size: 1.35rem;
    font-weight: 900;
    line-height: 1;
  }

  .fsm-mobile-branches {
    display: grid;
    width: 100%;
    gap: 0.65rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border);
  }

  .fsm-mobile-branches p {
    margin: 0;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--muted);
    font-size: 0.82rem;
  }

  .fsm-mobile-branches strong {
    color: var(--accent);
  }
}

@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;
  }
}

/* Dominação Romana Tripla — mapa interativo, diagramas e apoios */

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

.trd-lab {
  display: grid;
  gap: 1.5rem;
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 2.25rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 78% 12%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 45%),
    var(--surface);
}

.trd-lab-heading {
  max-width: 620px;
}

.trd-lab-heading h3 {
  margin-bottom: 0.6rem;
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
}

.trd-lab-help {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.trd-board {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(240px, 1fr);
  gap: clamp(1.25rem, 3vw, 2.25rem);
  align-items: center;
}

.trd-map-frame {
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.trd-map {
  width: 100%;
  min-width: 520px;
  height: auto;
  overflow: visible;
  touch-action: manipulation;
}

.trd-edges line {
  stroke: var(--border);
  stroke-linecap: round;
  stroke-width: 2.5;
}

.trd-node {
  cursor: pointer;
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.trd-node circle {
  fill: var(--background);
  stroke: var(--border);
  stroke-width: 2.5;
  transition: fill 180ms ease, stroke 180ms ease, stroke-width 180ms ease;
}

.trd-node-value {
  fill: var(--muted);
  font: 800 19px/1 Inter, ui-sans-serif, system-ui, sans-serif;
  transition: fill 180ms ease;
}

.trd-node-name {
  fill: var(--muted);
  font: 600 13px/1 Inter, ui-sans-serif, system-ui, sans-serif;
}

.trd-node.is-troops circle {
  fill: color-mix(in srgb, var(--accent) 20%, var(--background));
  stroke: var(--accent);
}

.trd-node.is-troops .trd-node-value {
  fill: var(--accent-strong);
}

.trd-node.is-exposed circle {
  fill: color-mix(in srgb, var(--warning) 16%, var(--background));
  stroke: var(--warning);
  stroke-dasharray: 6 5;
}

.trd-node.is-exposed .trd-node-value,
.trd-node.is-exposed .trd-node-name {
  fill: var(--warning);
}

.trd-node:focus-visible {
  outline: none;
}

.trd-node:focus-visible circle {
  stroke: var(--accent-strong);
  stroke-width: 5;
}

.trd-panel {
  display: grid;
  align-content: start;
  gap: 1rem;
  min-width: 0;
}

.trd-status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
  font-weight: 700;
}

.trd-status-dot {
  flex: none;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--success);
  transition: background-color 180ms ease;
}

.trd-status.is-exposed {
  color: var(--warning);
}

.trd-status.is-exposed .trd-status-dot {
  background: var(--warning);
}

.trd-scores {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
}

.trd-scores > div {
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--background);
}

.trd-scores dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.trd-scores dd {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.trd-scores dd strong {
  color: var(--accent);
  font-size: 1.7rem;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.trd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.trd-actions .button {
  min-height: 2.6rem;
  padding: 0.55rem 0.95rem;
  font-size: 0.87rem;
}

.trd-lab-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.87rem;
}

.trd-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.4rem;
  margin: 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.82rem;
  list-style: none;
}

.trd-legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.trd-chip {
  flex: none;
  display: grid;
  width: 1.6rem;
  height: 1.6rem;
  place-items: center;
  border: 2px solid var(--border);
  border-radius: 50%;
  color: var(--muted);
  font: 800 0.78rem/1 Inter, ui-sans-serif, system-ui, sans-serif;
}

.trd-chip-troops {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  color: var(--accent-strong);
}

.trd-chip-exposed {
  border-style: dashed;
  border-color: var(--warning);
  color: var(--warning);
}

.trd-diagram {
  margin: 2rem 0 0;
  padding: clamp(1.1rem, 3vw, 1.75rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.trd-diagram svg {
  width: 100%;
  max-width: 360px;
  height: auto;
  margin-inline: auto;
}

.trd-diagram-edges {
  fill: none;
  stroke: var(--border);
  stroke-width: 2.5;
}

.trd-diagram-node circle {
  fill: color-mix(in srgb, var(--accent) 20%, var(--background));
  stroke: var(--accent);
  stroke-width: 2.5;
}

.trd-diagram-node text {
  fill: var(--accent-strong);
  font: 800 16px/1 Inter, ui-sans-serif, system-ui, sans-serif;
}

.trd-diagram-node.is-exposed circle {
  fill: color-mix(in srgb, var(--warning) 16%, var(--background));
  stroke: var(--warning);
  stroke-dasharray: 6 5;
}

.trd-diagram-node.is-exposed text {
  fill: var(--warning);
}

.trd-diagram figcaption {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.case-table.trd-table-left {
  text-align: left;
}

.case-table.trd-table-left code {
  font-size: 0.86em;
}

@media (hover: hover) {
  .trd-node:hover {
    transform: scale(1.04);
  }

  .trd-node:hover circle {
    stroke: var(--accent);
  }
}

@media (max-width: 900px) {
  .system-flow.flow-three {
    grid-template-columns: 1fr;
  }

  .trd-board {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .trd-scores {
    grid-template-columns: 1fr;
  }

  .trd-actions .button {
    width: 100%;
  }
}

.experience-stack {
  display: grid;
  gap: 1.5rem;
  min-width: 0;
}

.experience-links {
  margin-top: 1.75rem;
}

.case-summary-band {
  padding: 1rem 0 0;
}

.case-summary {
  display: grid;
  grid-template-columns: minmax(200px, 0.6fr) minmax(0, 1.4fr);
  gap: clamp(1.5rem, 5vw, 3.5rem);
  align-items: start;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.case-summary h2 {
  margin-bottom: 0;
  font-size: clamp(1.5rem, 3vw, 2.15rem);
}

.case-summary .case-prose {
  max-width: none;
}

.case-summary .case-list {
  gap: 0.85rem;
  font-size: 0.97rem;
}

@media (max-width: 900px) {
  .case-summary {
    grid-template-columns: 1fr;
  }
}

.portrait-heading {
  display: grid;
  grid-template-columns: minmax(0, 190px) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
  margin-bottom: 2rem;
}

.portrait-heading .case-section-heading {
  margin-bottom: 0;
}

.portrait {
  margin: 0;
}

.portrait img {
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.portrait figcaption {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.architecture-card.is-highlight {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--accent-soft) 55%, var(--surface));
}

.architecture-card.is-highlight > span {
  color: var(--accent-strong);
}

@media (max-width: 700px) {
  .portrait-heading {
    grid-template-columns: 1fr;
  }

  .portrait {
    max-width: 190px;
  }
}