:root {
  --bg: #f7f4ea;
  --bg-elevated: #efe8d8;
  --surface: #fffdf7;
  --surface-strong: #efe8d8;
  --surface-soft: #f7f4ea;
  --border: #cfc7b6;
  --text: #1e2428;
  --muted: #5b6470;
  --muted-strong: #3d474e;
  --accent: #d96c16;
  --accent-soft: rgba(217, 108, 22, 0.12);
  --accent-cool: #1e6a8a;
  --drawing-blue: #0f4c81;
  --safety-yellow: #f2b705;
  --shadow: 4px 4px 0 rgba(207, 199, 182, 0.72);
  --radius: 4px;
  --radius-sm: 3px;
  --container: min(1180px, calc(100vw - 2.4rem));
  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    linear-gradient(rgba(30, 106, 138, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 106, 138, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(30, 106, 138, 0.045) 2px, transparent 2px),
    linear-gradient(90deg, rgba(30, 106, 138, 0.045) 2px, transparent 2px),
    var(--bg);
  background-size: 24px 24px, 24px 24px, 96px 96px, 96px 96px;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(120deg, rgba(217, 108, 22, 0.08) 0, rgba(217, 108, 22, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(255, 253, 247, 0.76), rgba(247, 244, 234, 0.76));
  background-size: 160px 160px, auto;
  pointer-events: none;
  z-index: -1;
}

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

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.section {
  padding: 3.4rem 0;
}

.section-tight-top {
  padding-top: 0.8rem;
}

.top-spaced {
  margin-top: 1rem;
}

.skip-link,
.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:focus {
  width: auto;
  height: auto;
  margin: 1rem;
  padding: 0.85rem 1rem;
  clip: auto;
  color: var(--bg);
  background: var(--accent);
  z-index: 999;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(20, 52, 84, 0.78);
  border-bottom: 1px solid rgba(157, 176, 195, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1.5rem;
  min-height: 4.8rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.9rem;
  background: linear-gradient(145deg, rgba(123, 209, 255, 0.34), rgba(92, 174, 247, 0.3));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.92rem;
  overflow: hidden;
}

.brand-mark[data-has-logo="true"] {
  padding: 0;
  background: rgba(15, 42, 73, 0.92);
}

.brand-mark[data-has-logo="true"] img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.brand-text {
  display: grid;
}

.brand-title,
.footer-title {
  font-family: "Inter", sans-serif;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-subtitle,
.footer-copy,
.project-card-meta,
.mono-label,
.eyebrow {
  color: var(--muted);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.button {
  transition:
    background var(--transition),
    border-color var(--transition),
    opacity var(--transition),
    filter var(--transition),
    color var(--transition);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.8rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(92, 174, 247, 0.28);
  background: linear-gradient(180deg, rgba(92, 174, 247, 0.36), rgba(92, 174, 247, 0.2));
  color: #f5fbff;
  font-weight: 600;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.button:hover,
.button:focus-visible,
.filter-item button:hover,
.filter-item button:focus-visible,
.select-item button:hover,
.select-item button:focus-visible,
.form-btn:hover,
.form-btn:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  filter: brightness(1.1);
  border-color: rgba(132, 205, 255, 0.74);
}

.brand:hover,
.brand:focus-visible {
  filter: brightness(1.08);
}

.button-ghost {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.button.compact {
  min-height: 2.5rem;
  padding-inline: 1rem;
}

.button-resource {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(110, 199, 191, 0.24);
  color: var(--text);
}

.button-repo-primary {
  border-color: rgba(132, 205, 255, 0.74);
  background: linear-gradient(180deg, rgba(132, 205, 255, 0.52), rgba(71, 155, 230, 0.38));
}

.hero-section {
  padding-top: 4.7rem;
}

.hero-layout,
.project-hero-grid,
.case-study-grid,
.footer-layout {
  display: grid;
  gap: 1.6rem;
}

.hero-layout {
  grid-template-columns: 1.4fr 0.95fr;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.info-panel,
.project-card,
.contact-card,
.sidebar-card,
.content-section,
.project-hero,
.empty-state {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 2.5rem;
  display: grid;
  align-content: start;
  gap: 0.7rem;
}

.hero-copy h1,
.section-heading h2,
.project-hero h1,
.content-section h2 {
  margin: 0 0 0.72rem;
  font-family: "Inter", sans-serif;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy h1 {
  font-size: clamp(2.7rem, 6.2vw, 4.4rem);
  margin: 0;
}

.page-title {
  margin: 0;
  font-family: "Inter", sans-serif;
  letter-spacing: 0;
  line-height: 1.02;
  font-size: clamp(2rem, 4.8vw, 3.4rem);
}

.page-subtitle {
  margin: 0.55rem 0 0;
  color: var(--muted-strong);
  line-height: 1.7;
  max-width: 70ch;
}

.section-heading h2,
.content-section h2 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
}

.hero-degree,
.hero-tagline,
.project-subtitle,
.project-summary,
.content-section p,
.contact-card h3,
.project-card-body p,
.sidebar-card,
.info-panel p {
  color: var(--muted-strong);
  line-height: 1.7;
}

.hero-degree {
  font-size: 1.15rem;
  margin: 0;
}

.hero-tagline {
  max-width: 44rem;
  font-size: 1.1rem;
  margin: 0;
}

.hero-actions,
.resource-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-actions {
  margin-top: 0.15rem;
}

.hero-focus-note {
  margin: 0.2rem 0 0.3rem;
  display: grid;
  gap: 0.35rem;
}

.hero-panel {
  padding: 1.7rem;
  display: grid;
  gap: 1.2rem;
}

.headshot-slot {
  position: relative;
  margin: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.9rem;
  overflow: hidden;
}

.headshot-slot img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
}

.home-page .headshot-slot .headshot-primary {
  aspect-ratio: 1 / 1;
}

.headshot-slot::after {
  content: "";
  position: absolute;
  inset: 0.9rem;
  border-radius: 0.85rem;
  background: rgba(8, 27, 47, 0.62);
  opacity: 0;
  pointer-events: none;
  z-index: 2;
  transition: opacity 220ms ease;
}

.headshot-primary {
  position: relative;
  z-index: 1;
}

.headshot-github-hover {
  position: absolute;
  inset: 0.9rem;
  width: calc(100% - 1.8rem);
  height: calc(100% - 1.8rem);
  object-fit: contain;
  border: 0;
  background: transparent;
  opacity: 0;
  transform: scale(0.9);
  pointer-events: none;
  z-index: 3;
  transition: opacity 220ms ease, transform 220ms ease;
}

.headshot-slot.show-github-icon::after {
  opacity: 1;
}

.headshot-slot.show-github-icon .headshot-github-hover {
  opacity: 1;
  transform: scale(1);
}

.headshot-slot figcaption {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.panel-label,
.panel-title {
  margin: 0;
}

.panel-label {
  color: var(--muted);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.panel-title {
  font-size: 1.03rem;
  color: var(--muted-strong);
  line-height: 1.6;
  max-width: 44rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.stat-card,
.contact-card,
.info-panel,
.process-card,
.highlight-card {
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.stat-card {
  min-height: 8rem;
  display: grid;
  align-content: end;
}

.stat-value {
  font-family: "Inter", sans-serif;
  font-size: 2rem;
  letter-spacing: 0;
}

.stat-label,
.project-card-subtitle,
.project-card-summary,
.text-link {
  color: var(--muted);
}

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

.tag-pill,
.tag-list li,
.tool-chip {
  padding: 0.42rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(110, 199, 191, 0.2);
  background: rgba(110, 199, 191, 0.08);
  color: var(--muted-strong);
  font-size: 0.9rem;
}

.section-heading {
  margin-bottom: 1.15rem;
}

.section-heading p,
.content-section .eyebrow,
.project-hero .eyebrow {
  margin: 0 0 0.55rem;
}

.about-panels {
  display: grid;
  gap: 1rem;
}

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

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

.project-grid,
.contact-grid,
.highlight-grid,
.related-grid {
  display: grid;
  gap: 1.2rem;
}

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

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

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

.social-card,
.github-card {
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.social-card h3 {
  margin: 0.35rem 0 0.6rem;
  color: var(--text);
}

.social-card .text-link {
  margin: 0;
}

.social-card:hover {
  border-color: rgba(110, 199, 191, 0.35);
}

.stack-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.stack-pill {
  padding: 0.45rem 0.74rem;
  border-radius: 999px;
  border: 1px solid rgba(92, 174, 247, 0.26);
  background: rgba(92, 174, 247, 0.12);
  color: var(--muted-strong);
  font-size: 0.9rem;
}

.tech-stack-section {
  display: grid;
  gap: 0.85rem;
}

.tech-stack-intro {
  max-width: 58rem;
  margin: 0;
  color: var(--muted-strong);
}

.tech-stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
}

.tech-stack-card {
  padding: 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.022);
}

.tech-stack-card-heading {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 0.7rem;
}

.tech-stack-card-heading h3 {
  margin: 0;
}

.tech-stack-card-heading span {
  color: var(--muted);
  font-size: 0.82rem;
}

.tech-stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.tech-stack-list li {
  padding: 0.28rem 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(110, 199, 191, 0.18);
  background: rgba(110, 199, 191, 0.07);
  color: var(--muted-strong);
  font-size: 0.8rem;
  line-height: 1.2;
}

.github-card img {
  width: 100%;
  border-radius: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.project-card {
  overflow: hidden;
}

.hero-copy:hover,
.hero-copy:focus-within,
.hero-panel:hover,
.hero-panel:focus-within,
.info-panel:hover,
.info-panel:focus-within,
.project-card:hover,
.project-card:focus-within,
.contact-card:hover,
.contact-card:focus-within,
.sidebar-card:hover,
.sidebar-card:focus-within,
.content-section:hover,
.content-section:focus-within,
.project-hero:hover,
.project-hero:focus-within,
.empty-state:hover,
.empty-state:focus-within,
.filter-shell:hover,
.filter-shell:focus-within,
.experience-shell:hover,
.experience-shell:focus-within,
.timeline:hover,
.timeline:focus-within,
.mapbox:hover,
.mapbox:focus-within,
.contact-form:hover,
.contact-form:focus-within {
  border-color: rgba(132, 205, 255, 0.62);
  background: rgba(35, 73, 114, 0.88);
}

.project-card-link {
  display: grid;
  height: 100%;
}

.project-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(123, 209, 255, 0.18), rgba(92, 174, 247, 0.08));
}

.project-card-media.is-empty {
  background: rgba(255, 255, 255, 0.02);
}

.project-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  transition: opacity 320ms ease;
}

.project-card-media img.is-fading-out {
  opacity: 0;
}

.project-card-body {
  display: grid;
  gap: 0.9rem;
  padding: 1.25rem;
}

.project-card-body h3,
.content-list,
.sidebar-card h3,
.contact-card h3,
.process-card h3,
.highlight-card h3 {
  margin: 0;
}

.project-card-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.filter-shell {
  padding: 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.filter-item button {
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted-strong);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.65rem 0.95rem;
}

.filter-item button.active {
  border-color: rgba(92, 174, 247, 0.52);
  background: rgba(92, 174, 247, 0.2);
  color: #f5fbff;
}

.filter-select-box {
  display: none;
}

.archive-summary,
.footer-meta {
  color: var(--muted);
}

.contact-card h3 {
  font-size: 1.15rem;
  line-height: 1.5;
}

.focus-panels .info-panel {
  text-align: center;
  height: 100%;
}

.focus-panels .info-panel h3 {
  margin: 0 0 0.5rem;
}

.social-badge {
  display: inline-block;
  height: 1.25rem;
  width: auto;
  margin-bottom: 0.4rem;
  border-radius: 0.3rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
}

.contact-card .social-cta {
  margin: 0;
}

.case-study-link {
  display: inline;
  overflow-wrap: anywhere;
  word-break: break-word;
}

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

.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid rgba(157, 176, 195, 0.08);
}

.footer-layout {
  grid-template-columns: 1.3fr auto;
  align-items: center;
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.icon-box {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.7rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  display: grid;
  place-items: center;
}

.icon-box-small {
  font-size: 1rem;
}

.project-hero {
  padding: 1.6rem;
}

.breadcrumb-link {
  display: inline-flex;
  margin-bottom: 1.2rem;
  color: var(--muted);
}

.project-hero-grid {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
}

.project-hero-copy {
  display: grid;
  gap: 1rem;
}

.project-priority-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.project-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
}

.project-hero-media {
  margin: 0;
  min-height: 100%;
}

.project-hero-media.is-empty {
  border: 1px dashed rgba(188, 214, 238, 0.32);
  border-radius: 1rem;
  min-height: min(36vh, 320px);
  background: rgba(255, 255, 255, 0.02);
}

.case-study-grid {
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.72fr);
  align-items: start;
}

#project-content,
.sidebar-stack {
  display: grid;
  gap: 1.2rem;
}

.content-section {
  padding: 1.5rem;
}

.content-list {
  display: grid;
  gap: 0.8rem;
  padding-left: 1.2rem;
  line-height: 1.7;
  color: var(--muted-strong);
}

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

.process-grid {
  display: grid;
  gap: 1rem;
}

.highlight-card,
.process-card {
  height: 100%;
}

#project-sidebar {
  position: sticky;
  top: 6.2rem;
}

.sidebar-card {
  padding: 1.25rem;
}

.meta-list {
  display: grid;
  gap: 1rem;
  margin: 1rem 0 0;
}

.meta-list dt {
  color: var(--muted);
  font-size: 0.9rem;
}

.meta-list dd {
  margin: 0.25rem 0 0;
  color: var(--text);
}

.sidebar-links {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

.empty-state {
  padding: 2rem;
}

.experience-shell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.experience-header {
  margin-bottom: 1rem;
}

.certification-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
  gap: 0.85rem;
}

.certification-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.85rem;
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.certification-title {
  margin: 0;
  line-height: 1.35;
  font-size: 0.98rem;
}

.certification-copy {
  display: grid;
  gap: 0.25rem;
}

.certification-issuer,
.certification-year {
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
  font-size: 0.88rem;
}

.certification-badge {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  border-radius: 0.55rem;
  border: 1px solid rgba(188, 214, 238, 0.35);
  background: #f6f9fc;
  padding: 0.28rem;
  display: block;
}

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

.certification-actions .button-resource {
  min-height: 2.15rem;
  padding: 0.48rem 0.68rem;
  border-radius: 0.55rem;
  font-size: 0.8rem;
  line-height: 1.1;
}

.timeline {
  margin-bottom: 1.5rem;
}

.timeline .title-wrapper {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.h3 {
  margin: 0;
}

.h4 {
  margin: 0;
}

.timeline-list {
  margin: 0;
  margin-left: 1.65rem;
  padding: 0;
}

.timeline-item {
  list-style: none;
  position: relative;
}

.timeline-item:not(:last-child) {
  margin-bottom: 1.25rem;
}

.timeline-item-title {
  margin: 0 0 0.25rem;
  color: var(--text);
}

.timeline-list span {
  color: #a8d3ff;
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.83rem;
}

.timeline-item:not(:last-child)::before {
  content: "";
  position: absolute;
  top: -1rem;
  left: -1.2rem;
  width: 1px;
  height: calc(100% + 2rem);
  background: rgba(188, 214, 238, 0.38);
}

.timeline-item::after {
  content: "";
  position: absolute;
  top: 0.38rem;
  left: -1.36rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: linear-gradient(145deg, #93c5fd, #38bdf8);
  box-shadow: 0 0 0 0.2rem rgba(56, 189, 248, 0.25);
}

.timeline-text {
  color: var(--muted-strong);
  line-height: 1.7;
  margin: 0.4rem 0 0;
}

.mapbox {
  position: relative;
  isolation: isolate;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.mapbox figure {
  margin: 0;
}

.mapbox::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(
      180deg,
      rgba(36, 100, 164, 0.2) 0%,
      rgba(16, 56, 102, 0.4) 100%
    );
  mix-blend-mode: multiply;
}

.mapbox iframe {
  width: 100%;
  border: 0;
  display: block;
  filter:
    grayscale(0.58)
    saturate(0.42)
    brightness(0.9)
    contrast(1.12);
}

.contact-form {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1.2rem;
}

.form-title {
  margin: 0 0 1rem;
}

.form {
  display: grid;
  gap: 0.9rem;
}

.input-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.form-input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 0.82rem 0.9rem;
}

textarea.form-input {
  resize: vertical;
  min-height: 140px;
}

.form-btn {
  justify-self: start;
  border-radius: 999px;
  border: 1px solid rgba(92, 174, 247, 0.28);
  background: linear-gradient(180deg, rgba(92, 174, 247, 0.36), rgba(92, 174, 247, 0.2));
  color: #f5fbff;
  min-height: 2.75rem;
  padding: 0.7rem 1.15rem;
  font-weight: 600;
}

.form-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.form-help {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.form-help a {
  color: var(--accent-cool);
  text-decoration: underline;
  text-underline-offset: 0.12rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 500ms ease, transform 500ms ease;
}

@media (max-width: 1080px) {
  .hero-layout,
  .project-hero-grid,
  .case-study-grid,
  .footer-layout,
  .contact-grid,
  .project-grid {
    grid-template-columns: 1fr;
  }

  #project-sidebar {
    position: static;
  }

  .hero-stats,
  .process-grid,
  .highlight-grid,
  .tech-stack-grid {
    grid-template-columns: 1fr 1fr;
  }

  .focus-panels {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 900px) {
  .hero-copy,
  .hero-panel,
  .project-hero,
  .content-section {
    padding: 1.4rem;
  }

  .hero-copy h1,
  .project-hero h1 {
    line-height: 1.03;
  }

  .filter-list {
    display: none;
  }

  .filter-select-box {
    display: block;
    position: relative;
    margin-bottom: 0.85rem;
  }

  .filter-select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 0.9rem;
    background: rgba(255, 255, 255, 0.03);
    color: var(--muted-strong);
    min-height: 2.9rem;
    padding: 0.7rem 0.95rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .filter-select.active .select-icon {
    transform: rotate(180deg);
  }

  .select-list {
    margin: 0.35rem 0 0;
    list-style: none;
    border: 1px solid var(--border);
    border-radius: 0.9rem;
    background: rgba(20, 52, 84, 0.97);
    padding: 0.35rem;
    opacity: 0;
    pointer-events: none;
    position: absolute;
    width: 100%;
    z-index: 5;
  }

  .filter-select.active + .select-list {
    opacity: 1;
    pointer-events: all;
  }

  .select-item button {
    width: 100%;
    text-align: left;
    border: 0;
    border-radius: 0.7rem;
    padding: 0.5rem 0.6rem;
    background: transparent;
    color: var(--muted-strong);
  }

  .select-item button:hover {
    background: rgba(255, 255, 255, 0.08);
  }

}

@media (max-width: 680px) {
  .section {
    padding: 2.8rem 0;
  }

  .hero-section {
    padding-top: 3.7rem;
  }

  .hero-stats,
  .about-meta,
  .process-grid,
  .highlight-grid,
  .tech-stack-grid {
    grid-template-columns: 1fr;
  }

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

  .input-wrapper {
    grid-template-columns: 1fr;
  }

  .footer-layout {
    gap: 1rem;
  }

  .footer-links {
    gap: 0.75rem;
  }
}

/* Mechanical engineering portfolio visual layer */
::selection {
  color: #fffdf7;
  background: var(--drawing-blue);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--safety-yellow);
  outline-offset: 3px;
}

.site-header {
  backdrop-filter: none;
  background: rgba(255, 253, 247, 0.96);
  border-bottom: 2px solid var(--text);
}

.nav {
  min-height: 4.35rem;
}

.brand {
  color: var(--text);
}

.brand-mark {
  border-radius: var(--radius);
  border: 1px solid var(--text);
  background: var(--surface);
  color: var(--drawing-blue);
  box-shadow: inset 0 -4px 0 var(--bg-elevated);
}

.brand-mark[data-has-logo="true"] {
  background: var(--surface);
}

.brand-title,
.footer-title {
  letter-spacing: 0;
}

.brand-subtitle {
  color: var(--muted-strong);
  font-family: "Inter", sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}

.footer-copy {
  color: var(--muted-strong);
  font-family: "Inter", sans-serif;
  font-size: 0.92rem;
  line-height: 1.55;
  letter-spacing: 0;
  text-transform: none;
}

.project-card-meta,
.mono-label,
.eyebrow,
.panel-label {
  color: var(--muted);
  letter-spacing: 0.06em;
}

.button,
.form-btn {
  border-radius: var(--radius);
  border: 1px solid var(--text);
  background: var(--surface);
  color: var(--text);
  box-shadow: inset 4px 0 0 var(--accent);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.86rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  filter: none;
}

.button:hover,
.button:focus-visible,
.form-btn:hover,
.form-btn:focus-visible {
  border-color: var(--accent);
  background: var(--bg-elevated);
  color: var(--text);
  filter: none;
}

.button-ghost,
.button-resource {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: inset 4px 0 0 var(--drawing-blue);
}

.button-repo-primary {
  border-color: var(--text);
  background: var(--surface);
  color: var(--text);
}

.hero-copy,
.hero-panel,
.info-panel,
.project-card,
.contact-card,
.sidebar-card,
.content-section,
.project-hero,
.empty-state,
.filter-shell,
.experience-shell,
.timeline,
.mapbox,
.contact-form {
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(30, 106, 138, 0.035) 1px, transparent 1px),
    var(--surface);
  background-size: 24px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-copy:hover,
.hero-copy:focus-within,
.hero-panel:hover,
.hero-panel:focus-within,
.info-panel:hover,
.info-panel:focus-within,
.project-card:hover,
.project-card:focus-within,
.contact-card:hover,
.contact-card:focus-within,
.sidebar-card:hover,
.sidebar-card:focus-within,
.content-section:hover,
.content-section:focus-within,
.project-hero:hover,
.project-hero:focus-within,
.empty-state:hover,
.empty-state:focus-within,
.filter-shell:hover,
.filter-shell:focus-within,
.experience-shell:hover,
.experience-shell:focus-within,
.timeline:hover,
.timeline:focus-within,
.mapbox:hover,
.mapbox:focus-within,
.contact-form:hover,
.contact-form:focus-within {
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(30, 106, 138, 0.04) 1px, transparent 1px),
    var(--surface);
  background-size: 24px 24px;
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.hero-copy,
.project-hero,
.content-section,
.experience-shell {
  border-top: 3px solid var(--text);
}

.hero-panel,
.sidebar-card,
.filter-shell,
.contact-form,
.mapbox {
  border-top: 3px solid var(--drawing-blue);
}

.project-card {
  position: relative;
  overflow: hidden;
  border-color: var(--text);
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--accent);
  z-index: 1;
}

.project-card-link {
  color: var(--text);
}

.project-card-media,
.project-hero-media,
.headshot-slot,
.certification-badge {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.055) 1px, transparent 1px),
    linear-gradient(rgba(30, 106, 138, 0.055) 1px, transparent 1px),
    #fdfbf3;
  background-size: 18px 18px;
}

.project-card-media {
  margin: 0.85rem 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

.project-card-media img {
  object-fit: cover;
}

.project-card-body {
  padding: 1rem 1.1rem 1.15rem;
}

.project-card-body h3 {
  color: var(--text);
  line-height: 1.16;
}

.project-card-subtitle,
.project-card-summary,
.project-subtitle,
.project-summary,
.page-subtitle,
.hero-degree,
.hero-tagline,
.content-section p,
.contact-card h3,
.project-card-body p,
.sidebar-card,
.info-panel p,
.timeline-text {
  color: var(--muted-strong);
}

.tag-list {
  gap: 0.45rem;
}

.tag-list li,
.tool-chip {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

.filter-item button,
.filter-select {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

.filter-item button:hover,
.filter-item button:focus-visible,
.select-item button:hover,
.select-item button:focus-visible {
  border-color: var(--accent);
  background: var(--bg-elevated);
  filter: none;
}

.filter-item button.active {
  border-color: var(--text);
  background: var(--drawing-blue);
  color: #fffdf7;
}

.select-list {
  border-radius: var(--radius);
  border: 1px solid var(--text);
  background: var(--surface);
}

.select-item button {
  border-radius: var(--radius-sm);
  color: var(--text);
}

.archive-summary,
.footer-meta,
.meta-list dt,
.certification-issuer,
.certification-year,
.form-help,
.headshot-slot figcaption {
  color: var(--muted);
}

.text-link {
  color: var(--drawing-blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18rem;
}

.text-link:hover,
.text-link:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--accent);
  filter: none;
}

.site-footer {
  background: rgba(255, 253, 247, 0.72);
  border-top: 2px solid var(--text);
}

.icon-box {
  border-radius: var(--radius-sm);
  border-color: var(--text);
  background: var(--bg-elevated);
}

.stat-card,
.social-card,
.github-card,
.tech-stack-card,
.certification-card,
.process-card,
.highlight-card {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
}

.stat-value {
  color: var(--drawing-blue);
}

.breadcrumb-link {
  color: var(--drawing-blue);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  text-decoration: underline;
  text-underline-offset: 0.18rem;
}

.project-hero-media {
  overflow: hidden;
}

.project-hero-media img {
  width: 100%;
  height: 100%;
  min-height: min(36vh, 320px);
  object-fit: contain;
  padding: 0.55rem;
}

.project-hero-media.is-empty {
  border-radius: var(--radius-sm);
  border-color: var(--border);
  background: var(--bg-elevated);
}

.meta-list dd,
.timeline-item-title {
  color: var(--text);
}

.timeline-list span {
  color: var(--drawing-blue);
}

.timeline-item:not(:last-child)::before {
  background: var(--border);
}

.timeline-item::after {
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0.18rem rgba(242, 183, 5, 0.24);
}

.mapbox::after {
  background: rgba(247, 244, 234, 0.18);
  mix-blend-mode: normal;
}

.mapbox iframe {
  filter: grayscale(0.22) saturate(0.78) contrast(1.02);
}

.form-input {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.form-input::placeholder {
  color: var(--muted);
}

.form-help a {
  color: var(--drawing-blue);
}

.reveal {
  transform: translateY(12px);
}

.reveal.is-visible {
  transition: opacity 360ms ease, transform 360ms ease;
}

@media (max-width: 900px) {
  .filter-select {
    background: var(--surface);
    color: var(--text);
  }

  .select-list {
    background: var(--surface);
  }

}

/* Refinement pass: compact document controls and build-record surfaces */
.site-header {
  background: rgba(255, 253, 247, 0.985);
}

.nav {
  gap: 1rem;
  min-height: 4rem;
  overflow: hidden;
}

.brand {
  flex: 0 0 auto;
}

.brand-mark {
  width: 2.45rem;
  height: 2.45rem;
}

.brand-title {
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 0.72rem;
}

.section {
  padding-block: 2.85rem;
}

.section-heading {
  margin-bottom: 0.9rem;
}

.filter-shell {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 0.7rem 0.8rem;
  border-top-width: 1px;
  box-shadow: 2px 2px 0 rgba(207, 199, 182, 0.55);
}

.filter-list {
  gap: 0.45rem;
  margin: 0;
}

.filter-item button {
  min-height: 2.05rem;
  padding: 0.42rem 0.68rem;
  font-size: 0.78rem;
}

.archive-summary {
  margin: 0;
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
}

.project-grid,
.contact-grid,
.highlight-grid,
.related-grid,
.certification-grid {
  gap: 0.9rem;
}

.portfolio-grid {
  align-items: stretch;
}

.project-card {
  box-shadow: 3px 3px 0 rgba(207, 199, 182, 0.62);
}

.project-card::before {
  width: 4px;
}

.project-card-media {
  aspect-ratio: 4 / 3;
  margin: 0.68rem 0.68rem 0;
}

.project-card-media img {
  object-fit: contain;
  padding: 0.22rem;
  background: #fdfbf3;
}

.project-card-body {
  gap: 0.58rem;
  padding: 0.82rem 0.9rem 0.95rem;
}

.project-card-meta {
  gap: 0.65rem;
  font-size: 0.7rem;
}

.project-card-body h3 {
  font-size: 1.04rem;
}

.project-card-subtitle {
  line-height: 1.48;
  font-size: 0.92rem;
}

.project-card .tag-list {
  gap: 0.32rem;
}

.project-card .tag-list li {
  padding: 0.26rem 0.46rem;
  font-size: 0.74rem;
}

.hero-copy,
.hero-panel,
.content-section,
.project-hero,
.experience-shell,
.contact-form {
  box-shadow: 3px 3px 0 rgba(207, 199, 182, 0.62);
}

.info-panel,
.stat-card,
.contact-card,
.process-card,
.highlight-card,
.tech-stack-card,
.certification-card,
.sidebar-card {
  box-shadow: none;
}

.experience-shell {
  padding: 1.15rem;
}

.experience-header {
  margin-bottom: 0.75rem;
}

.timeline {
  margin-bottom: 1rem;
}

.timeline .title-wrapper {
  margin-bottom: 0.68rem;
}

.timeline-item:not(:last-child) {
  margin-bottom: 0.95rem;
}

.timeline-text {
  line-height: 1.58;
}

.tech-stack-section {
  gap: 0.65rem;
}

.tech-stack-grid {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.62rem;
}

.tech-stack-card {
  padding: 0.72rem;
  background: rgba(255, 253, 247, 0.78);
}

.tech-stack-card-heading {
  margin-bottom: 0.5rem;
}

.tech-stack-card-heading h3 {
  font-size: 0.95rem;
}

.tech-stack-card-heading span {
  font-size: 0.74rem;
}

.tech-stack-list {
  gap: 0.28rem;
}

.tech-stack-list li {
  padding: 0.22rem 0.42rem;
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-size: 0.74rem;
}

.certification-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.certification-card {
  gap: 0.58rem;
  padding: 0.72rem;
  align-content: start;
}

.certification-badge {
  aspect-ratio: 16 / 10;
  padding: 0.35rem;
}

.certification-title {
  font-size: 0.92rem;
}

.certification-issuer,
.certification-year {
  font-size: 0.8rem;
}

.certification-actions .button-resource {
  min-height: 1.95rem;
  padding: 0.38rem 0.56rem;
  font-size: 0.72rem;
}

.mapbox {
  min-height: 260px;
  border-top-width: 1px;
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.045) 1px, transparent 1px),
    linear-gradient(rgba(30, 106, 138, 0.045) 1px, transparent 1px),
    var(--surface);
  background-size: 24px 24px;
}

.mapbox figure {
  min-height: 260px;
}

.mapbox iframe {
  height: 280px;
  min-height: 260px;
  background: transparent;
}

.mapbox::before {
  content: "LOCATION MAP";
  position: absolute;
  top: 0.55rem;
  left: 0.65rem;
  z-index: 1;
  padding: 0.16rem 0.35rem;
  border: 1px solid var(--border);
  background: rgba(255, 253, 247, 0.9);
  color: var(--muted);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
}

.mapbox::after {
  border: 0;
  background:
    linear-gradient(180deg, rgba(255, 253, 247, 0.06), rgba(255, 253, 247, 0.12));
}

.contact-form {
  padding: 1rem;
}

.form {
  gap: 0.72rem;
}

.form-input {
  padding: 0.72rem 0.78rem;
}

textarea.form-input {
  min-height: 120px;
}

@media (max-width: 900px) {
  .nav {
    min-height: 3.85rem;
  }

  .filter-shell {
    display: block;
    padding: 0.7rem;
  }

  .filter-select-box {
    margin-bottom: 0.55rem;
  }

  .archive-summary {
    font-size: 0.76rem;
  }
}

@media (max-width: 680px) {
  .brand-text {
    max-width: 12rem;
  }

  .brand-title,
  .brand-subtitle {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .project-card-media {
    aspect-ratio: 16 / 10;
  }

  .mapbox,
  .mapbox figure {
    min-height: 230px;
  }

  .mapbox iframe {
    height: 240px;
    min-height: 230px;
  }
}

.nav {
  justify-content: space-between;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-left: auto;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.1rem;
  padding: 0.38rem 0.56rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--muted-strong);
  font-family: "Inter", sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] {
  border-color: var(--border);
  background: var(--surface);
  color: var(--drawing-blue);
}

.dossier-cover {
  position: relative;
  overflow: hidden;
}

.dossier-cover::after {
  content: "Mechanical Engineering Portfolio";
  position: absolute;
  right: 1.35rem;
  bottom: 1.2rem;
  padding: 0.24rem 0.42rem;
  border: 1px solid rgba(207, 199, 182, 0.9);
  color: var(--muted);
  background: rgba(255, 253, 247, 0.82);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
}

.dossier-panel {
  align-content: start;
  gap: 1rem;
}

.dossier-list {
  display: grid;
  gap: 0;
  margin: 0;
  border: 1px solid var(--border);
  background: var(--surface);
}

.dossier-list div {
  display: grid;
  grid-template-columns: minmax(7rem, 0.38fr) 1fr;
  gap: 0.75rem;
  padding: 0.78rem 0.85rem;
  border-bottom: 1px solid var(--border);
}

.dossier-list div:last-child {
  border-bottom: 0;
}

.dossier-list dt {
  color: var(--drawing-blue);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.dossier-list dd {
  margin: 0;
  color: var(--text);
  line-height: 1.55;
}

.dossier-list #project-count {
  color: var(--accent);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-weight: 600;
}

.selected-build-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.selected-build-grid .project-card {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: none;
}

.selected-build-grid .project-card-media {
  aspect-ratio: 16 / 11;
}

.selected-build-grid .project-card-body h3 {
  font-size: 0.98rem;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.method-card {
  min-height: 100%;
  padding: 1rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.03) 1px, transparent 1px),
    linear-gradient(rgba(30, 106, 138, 0.03) 1px, transparent 1px),
    var(--surface);
  background-size: 24px 24px;
}

.method-card h3 {
  margin: 0.45rem 0 0.55rem;
  color: var(--text);
  line-height: 1.22;
}

.method-card p {
  margin: 0;
  color: var(--muted-strong);
  line-height: 1.58;
}

@media (max-width: 1080px) {
  .selected-build-grid,
  .method-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    gap: 0.65rem;
    padding-block: 0.6rem;
  }

  .nav-links {
    flex-basis: 100%;
    justify-content: flex-start;
    margin-left: 0;
  }

  .nav-links a {
    min-height: 1.95rem;
    padding: 0.32rem 0.46rem;
    font-size: 0.68rem;
  }

  .dossier-cover::after {
    position: static;
    justify-self: start;
    margin-top: 0.3rem;
  }

  .dossier-list div {
    grid-template-columns: 1fr;
    gap: 0.28rem;
  }
}

@media (max-width: 680px) {
  .selected-build-grid,
  .method-grid {
    grid-template-columns: 1fr;
  }
}

/* Nhan Dang mechanical engineering portfolio homepage */
.field-notes-home {
  --field-rule: #1e2428;
  --field-paper: #fffdf7;
  --field-band: #efe8d8;
  --field-blue: #0f4c81;
  --field-orange: #d96c16;
}

.field-notes-home .site-header {
  border-bottom: 2px solid var(--field-rule);
  background: rgba(255, 253, 247, 0.98);
}

.field-notes-home .brand-subtitle {
  color: var(--field-blue);
}

.field-cover {
  padding: clamp(2.2rem, 5vw, 4.2rem) 0 0.55rem;
}

.field-cover-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(390px, 0.56fr);
  gap: clamp(0.85rem, 1.6vw, 1.15rem);
  align-items: start;
}

.field-cover-title,
.field-cover-register,
.field-table-wrap,
.field-note,
.method-entry,
.review-lenses-shell,
.review-lens,
.featured-project-shell {
  border: 1px solid var(--border);
  border-radius: 0;
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(30, 106, 138, 0.035) 1px, transparent 1px),
    var(--field-paper);
  background-size: 20px 20px;
}

.field-cover-title {
  align-self: start;
  min-height: 0;
  display: grid;
  align-content: start;
  padding: clamp(2rem, 3vw, 2.5rem) clamp(1.35rem, 3vw, 2.25rem)
    clamp(2.5rem, 4vw, 3.5rem);
  border-top: 5px solid var(--field-rule);
  position: relative;
  overflow: hidden;
}

.field-cover-title::before {
  content: "Mechanical Engineering Portfolio";
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.24rem 0.42rem;
  border: 1px solid var(--border);
  background: var(--field-paper);
  color: var(--muted);
  font-family: "Inter", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0;
}

.field-label {
  margin: 0 0 0.55rem;
  color: var(--field-blue);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.field-cover-title > .field-label {
  font-family: "Inter", sans-serif;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}

.field-cover-title h1 {
  max-width: 9ch;
  margin: 0;
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: clamp(2.8rem, 8vw, 5.6rem);
  line-height: 0.88;
  letter-spacing: 0;
}

.field-title-support {
  width: fit-content;
  margin: 0.85rem 0 0;
  padding: 0.28rem 0.48rem;
  border: 1px solid var(--border);
  background: rgba(239, 232, 216, 0.72);
  color: var(--field-blue);
  font-family: "Inter", sans-serif;
  font-size: clamp(0.82rem, 1.4vw, 1rem);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}

.field-degree {
  margin: 1rem 0 0;
  color: var(--field-orange);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: clamp(0.95rem, 2vw, 1.1rem);
}

.field-intro {
  max-width: 48rem;
  margin: 0.75rem 0 0;
  color: var(--muted-strong);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.62;
}

.field-cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.2rem;
}

.field-cover-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  padding: 0.36rem 0.58rem;
  border: 1px solid var(--text);
  background: var(--surface);
  color: var(--drawing-blue);
  font-family: "Inter", sans-serif;
  font-size: 0.84rem;
  font-weight: 600;
  text-transform: none;
}

.field-cover-actions a:hover,
.field-cover-actions a:focus-visible {
  border-color: var(--field-orange);
  background: var(--field-band);
  color: var(--text);
}

.field-cover-register {
  display: grid;
  grid-template-columns: 1fr;
  align-content: start;
  gap: 0.62rem;
  padding: 0;
  border-top: 5px solid var(--field-orange);
  background: transparent;
}

.field-cover-register .field-profile-card {
  align-self: start;
  grid-row: auto;
}

.field-profile-card,
.field-focus-card,
.field-register-card {
  margin: 0;
  border: 1px solid var(--border);
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(30, 106, 138, 0.035) 1px, transparent 1px),
    var(--field-paper);
  background-size: 20px 20px;
}

.field-profile-card {
  display: grid;
  grid-template-columns: minmax(7.2rem, 0.36fr) minmax(0, 1fr);
  align-items: center;
  gap: 0.62rem;
  padding: clamp(0.72rem, 1.4vw, 0.9rem);
  border-top: 4px solid var(--field-blue);
}

.field-profile-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center 18%;
  border: 1px solid var(--field-rule);
  background: var(--field-band);
}

.field-profile-card figcaption {
  margin: 0;
  color: var(--muted-strong);
  font-size: clamp(0.92rem, 1.1vw, 1rem);
  line-height: 1.5;
}

.field-focus-card,
.field-register-card {
  padding: 0.72rem;
}

.field-focus-card {
  border-left: 4px solid var(--field-blue);
}

.field-focus-card h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(0.92rem, 1.15vw, 1.04rem);
  line-height: 1.2;
}

.field-focus-card ul {
  display: grid;
  gap: 0.24rem;
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
}

.field-focus-card li {
  position: relative;
  padding-left: 1rem;
  color: var(--muted-strong);
  font-size: 0.84rem;
  line-height: 1.36;
}

.field-focus-card li::before {
  content: "";
  position: absolute;
  top: 0.58rem;
  left: 0;
  width: 0.42rem;
  height: 0.42rem;
  border: 1px solid var(--field-orange);
  background: var(--safety-yellow);
}

.field-register-card {
  border-top: 4px solid var(--field-orange);
}

.field-register-card dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--border);
}

.field-register-card div {
  display: grid;
  gap: 0.28rem;
  padding: 0.48rem 0.52rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.field-register-card div:first-child {
  grid-column: 1 / -1;
  grid-template-columns: auto 1fr;
  align-items: end;
  column-gap: 0.8rem;
}

.field-register-card div:nth-child(odd) {
  border-right: 0;
}

.field-register-card dt {
  color: var(--muted);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.field-register-card dd {
  margin: 0;
  color: var(--text);
  line-height: 1.45;
}

.field-register-card #project-count {
  color: var(--field-orange);
  font-family: "Inter", sans-serif;
  font-size: clamp(2.45rem, 3.6vw, 3.25rem);
  line-height: 0.9;
}

.review-lenses-section {
  padding: 0 0 clamp(1.2rem, 3vw, 2rem);
}

.review-lenses-shell {
  display: grid;
  grid-template-columns: minmax(190px, 0.28fr) minmax(0, 1fr);
  gap: 1rem;
  padding: 0.95rem;
  border-top: 4px solid var(--field-orange);
}

.review-lenses-heading h2,
.featured-project-heading h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.18rem, 2.1vw, 1.65rem);
  line-height: 1.15;
}

.review-lenses-heading p:not(.field-label) {
  margin: 0.65rem 0 0;
  color: var(--muted-strong);
  line-height: 1.5;
}

.review-lens-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.review-lens {
  display: grid;
  align-content: start;
  min-width: 0;
  padding: 0.85rem;
  border-left: 4px solid var(--field-blue);
  background-color: rgba(255, 253, 247, 0.88);
}

.review-lens span {
  color: var(--field-orange);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 600;
}

.review-lens h3 {
  margin: 0.5rem 0 0.45rem;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.18;
}

.review-lens p {
  margin: 0;
  color: var(--muted-strong);
  font-size: 0.95rem;
  line-height: 1.5;
}

.featured-project-section {
  padding: 0 0 clamp(2.2rem, 4vw, 3rem);
}

.featured-project-shell {
  display: grid;
  gap: 0.9rem;
  padding: 0.95rem;
  border-top: 4px solid var(--field-blue);
}

.featured-project-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.28fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: end;
}

.featured-project-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.featured-project-card {
  display: block;
  min-width: 0;
  border: 1px solid var(--border);
  background: rgba(255, 253, 247, 0.86);
  color: var(--text);
  text-decoration: none;
}

.featured-project-card:hover,
.featured-project-card:focus-visible {
  border-color: var(--field-orange);
  background: var(--field-band);
}

.featured-project-card figure {
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100%;
  margin: 0;
}

.featured-project-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
  background: var(--field-band);
}

.featured-project-card figcaption {
  display: grid;
  align-content: start;
  gap: 0.28rem;
  padding: 0.72rem;
}

.featured-project-card span {
  color: var(--field-blue);
  font-family: "Inter", sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}

.featured-project-card strong {
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.16;
}

.featured-project-card em {
  color: var(--muted-strong);
  font-style: normal;
  font-size: 0.86rem;
  line-height: 1.42;
}

.featured-project-action {
  width: fit-content;
  margin-top: 0.18rem;
  padding: 0.24rem 0.42rem;
  border: 1px solid var(--border);
  color: var(--field-blue);
  background: var(--field-paper);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.featured-project-card:hover .featured-project-action,
.featured-project-card:focus-visible .featured-project-action {
  border-color: var(--field-orange);
  color: var(--text);
  background: rgba(255, 253, 247, 0.92);
}

.field-section {
  padding: clamp(2.4rem, 5vw, 3.5rem) 0;
}

.field-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.38fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: end;
  margin-bottom: 0.8rem;
  padding-bottom: 0.7rem;
  border-bottom: 2px solid var(--field-rule);
}

.field-section-heading h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.45rem, 3.2vw, 2.3rem);
  line-height: 1.1;
}

.field-table-wrap {
  overflow-x: auto;
  border-top: 3px solid var(--field-blue);
}

.field-index-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
  color: var(--text);
}

.field-index-table th,
.field-index-table td {
  padding: 0.78rem 0.82rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.field-index-table th {
  color: var(--muted);
  background: var(--field-band);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.field-index-table td:first-child {
  color: var(--field-orange);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-weight: 600;
  white-space: nowrap;
}

.field-index-table td:nth-child(2) {
  font-weight: 700;
}

.field-index-table td:nth-child(3),
.field-index-table td:nth-child(4) {
  color: var(--muted-strong);
}

.field-index-table a {
  color: var(--field-blue);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  text-decoration: underline;
  text-underline-offset: 0.18rem;
  white-space: nowrap;
}

.field-index-table a:hover,
.field-index-table a:focus-visible {
  color: var(--field-orange);
}

.field-note-list,
.method-log {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.field-note {
  display: grid;
  align-content: start;
  min-height: 15rem;
  padding: 1rem;
  border-top: 3px solid var(--field-orange);
}

.field-note span {
  color: var(--field-blue);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
}

.field-note h3,
.method-entry h3 {
  margin: 0.55rem 0 0.55rem;
  color: var(--text);
  line-height: 1.18;
}

.field-note p,
.method-entry p {
  margin: 0;
  color: var(--muted-strong);
  line-height: 1.58;
}

.method-entry {
  min-height: 10rem;
  padding: 1rem;
  border-left: 4px solid var(--field-blue);
}

@media (max-width: 1080px) {
  .field-cover-grid,
  .field-section-heading,
  .review-lenses-shell,
  .featured-project-heading {
    grid-template-columns: 1fr;
  }

  .field-cover-register {
    grid-template-columns: 1fr;
  }

  .field-profile-card {
    grid-row: auto;
  }

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

  .field-note-list,
  .method-log {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .field-cover {
    padding-top: 2.2rem;
  }

  .field-cover-title {
    min-height: 0;
    padding-top: 3rem;
  }

  .field-cover-title h1 {
    max-width: none;
    font-size: clamp(2.65rem, 14vw, 4rem);
  }

  .field-title-support {
    max-width: 100%;
    font-size: 0.78rem;
  }

  .field-cover-register,
  .review-lens-grid,
  .featured-project-strip {
    grid-template-columns: 1fr;
  }

  .field-profile-card {
    grid-row: auto;
    grid-template-columns: 1fr;
  }

  .field-profile-card img {
    aspect-ratio: 5 / 6;
    object-position: center top;
  }

  .field-register-card dl {
    grid-template-columns: 1fr;
  }

  .field-register-card div,
  .field-register-card div:first-child {
    grid-template-columns: 1fr;
    border-right: 0;
  }

  .field-note-list,
  .method-log {
    grid-template-columns: 1fr;
  }

  .field-section {
    padding: 2.2rem 0;
  }
}

/* Projects page */
.field-notes-portfolio {
  --register-rule: #1e2428;
  --register-paper: #fffdf7;
  --register-band: #efe8d8;
  --register-blue: #0f4c81;
  --register-orange: #d96c16;
}

.field-notes-portfolio .site-header {
  border-bottom: 2px solid var(--register-rule);
  background: rgba(255, 253, 247, 0.98);
}

.field-notes-portfolio .brand-subtitle {
  color: var(--register-blue);
}

.register-cover {
  padding: clamp(2.2rem, 5vw, 3.6rem) 0 1.2rem;
}

.register-cover-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.34fr);
  gap: 1rem;
  align-items: start;
}

.register-cover-title,
.register-summary-panel,
.register-controls,
.register-table-wrap {
  border: 1px solid var(--border);
  border-radius: 0;
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.032) 1px, transparent 1px),
    linear-gradient(rgba(30, 106, 138, 0.032) 1px, transparent 1px),
    var(--register-paper);
  background-size: 20px 20px;
}

.register-cover-title {
  display: grid;
  align-content: center;
  padding: clamp(1.3rem, 3vw, 2.3rem);
  border-top: 5px solid var(--register-rule);
  position: relative;
}

.register-cover-title::before {
  content: "PROJECTS";
  position: absolute;
  top: 1rem;
  right: 1rem;
  max-width: calc(100% - 2rem);
  padding: 0.22rem 0.42rem;
  border: 1px solid var(--border);
  background: rgba(255, 253, 247, 0.92);
  color: var(--muted);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}

.register-cover-title h1 {
  max-width: 14ch;
  margin: 0;
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.register-cover-title p:not(.field-label) {
  max-width: 66rem;
  margin: 1rem 0 0;
  color: var(--muted-strong);
  font-size: clamp(1rem, 1.8vw, 1.14rem);
  line-height: 1.62;
}

.register-summary-panel {
  display: grid;
  align-content: start;
  min-height: 100%;
  padding: 1rem;
  border-top: 5px solid var(--register-orange);
}

.register-summary-panel dl {
  display: grid;
  margin: 0;
  border-top: 1px solid var(--border);
}

.register-summary-panel div {
  display: grid;
  gap: 0.3rem;
  padding: 0.78rem 0;
  border-bottom: 1px solid var(--border);
}

.register-summary-panel dt,
.register-filter-select span {
  color: var(--muted);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.register-summary-panel dd {
  margin: 0;
  color: var(--text);
  line-height: 1.45;
}

.register-summary-panel #total-count,
.register-summary-panel #visible-count {
  color: var(--register-orange);
  font-family: "Inter", sans-serif;
  font-size: clamp(2.3rem, 5vw, 3.7rem);
  line-height: 0.9;
}

.register-controls-section {
  padding: 0.6rem 0 1rem;
}

.register-controls {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem;
  border-left: 4px solid var(--register-blue);
}

.register-filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
  padding: 0;
  margin: 0.35rem 0 0;
  list-style: none;
}

.register-filter-list button {
  min-height: 2rem;
  padding: 0.34rem 0.58rem;
  border: 1px solid var(--border);
  border-radius: 0;
  background: rgba(255, 253, 247, 0.86);
  color: var(--muted-strong);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.register-filter-list button:hover,
.register-filter-list button:focus-visible,
.register-filter-list button.is-active {
  border-color: var(--register-rule);
  background: var(--register-band);
  color: var(--register-blue);
}

.register-filter-list button.is-active {
  box-shadow: inset 0 -3px 0 var(--register-orange);
}

.register-filter-select {
  display: none;
  gap: 0.3rem;
}

.register-filter-select select {
  min-height: 2.3rem;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--register-paper);
  color: var(--text);
  font-family: "Inter", sans-serif;
}

.priority-register-section {
  padding: 0.4rem 0 1rem;
}

.priority-register-shell {
  display: grid;
  gap: 0.9rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-top: 4px solid var(--register-orange);
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.032) 1px, transparent 1px),
    linear-gradient(rgba(30, 106, 138, 0.032) 1px, transparent 1px),
    var(--register-paper);
  background-size: 20px 20px;
}

.priority-register-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.42fr) minmax(0, 1fr);
  gap: 0.7rem 1rem;
  align-items: end;
}

.priority-register-heading .field-label {
  grid-column: 1 / -1;
}

.priority-register-heading h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.35rem, 2.4vw, 2.05rem);
  line-height: 1.08;
}

.priority-register-heading p:not(.field-label) {
  margin: 0;
  color: var(--muted-strong);
  line-height: 1.56;
}

.priority-register-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.priority-project-card[hidden] {
  display: none;
}

.priority-project-card {
  min-width: 0;
  border: 1px solid var(--border);
  background: rgba(255, 253, 247, 0.82);
}

.priority-project-card a {
  display: grid;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.priority-project-card figure {
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100%;
  margin: 0;
}

.priority-project-card img,
.priority-project-image-empty {
  width: 100%;
  aspect-ratio: 1.45;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(30, 106, 138, 0.05) 1px, transparent 1px),
    #fdfbf3;
  background-size: 18px 18px;
}

.priority-project-card img {
  display: block;
  object-fit: cover;
}

.priority-project-image-empty {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0;
  text-transform: none;
}

.priority-project-card figcaption {
  display: grid;
  gap: 0.38rem;
  padding: 0.78rem;
}

.priority-project-card span,
.priority-project-card small,
.project-review-chip-list li,
.memo-review-chip-list li {
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.priority-project-card span {
  color: var(--register-orange);
}

.priority-project-card figcaption > span {
  font-family: "Inter", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0;
  text-transform: none;
}

.priority-project-card strong {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.2;
}

.priority-project-card em {
  color: var(--muted-strong);
  font-size: 0.9rem;
  font-style: normal;
  line-height: 1.45;
}

.priority-project-card small {
  align-self: end;
  margin: 0 0.78rem 0.78rem;
  color: var(--register-blue);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18rem;
}

.priority-project-card:hover,
.priority-project-card:focus-within {
  border-color: var(--register-rule);
  box-shadow: inset 0 -3px 0 var(--register-orange);
}

.project-review-chip-list,
.memo-review-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.32rem;
  padding: 0;
  margin: 0.1rem 0 0;
  list-style: none;
}

.project-review-chip-list li,
.memo-review-chip-list li {
  border: 1px solid rgba(15, 76, 129, 0.24);
  background: rgba(239, 232, 216, 0.58);
  color: var(--register-blue);
  line-height: 1.2;
  padding: 0.24rem 0.38rem;
}

.register-table-section {
  padding: 0.6rem 0 3.2rem;
}

.register-table-wrap {
  overflow-x: auto;
  border-top: 4px solid var(--register-blue);
}

.build-register-table {
  width: 100%;
  min-width: 1040px;
  border-collapse: collapse;
  color: var(--text);
}

.build-register-table caption {
  height: 1px;
  width: 1px;
  position: absolute;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.build-register-table th,
.build-register-table td {
  padding: 0.72rem 0.76rem;
  border-right: 1px solid rgba(207, 199, 182, 0.72);
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.build-register-table th:last-child,
.build-register-table td:last-child {
  border-right: 0;
}

.build-register-table th {
  color: var(--muted);
  background: var(--register-band);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  white-space: nowrap;
}

.build-register-table td {
  background: rgba(255, 253, 247, 0.76);
  line-height: 1.48;
}

.build-register-table tr:hover td,
.build-register-table tr:focus-within td {
  background: rgba(239, 232, 216, 0.78);
}

.build-register-table td:nth-child(1),
.build-register-table td:nth-child(2),
.build-register-table td:nth-child(6),
.build-register-table td:nth-child(7) {
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
}

.build-register-table td:nth-child(1) {
  color: var(--register-orange);
  font-weight: 600;
  white-space: nowrap;
}

.build-register-table td:nth-child(2),
.build-register-table td:nth-child(4),
.build-register-table td:nth-child(5),
.build-register-table td:nth-child(6) {
  color: var(--muted-strong);
}

.register-project-link {
  display: inline-block;
  color: var(--text);
  font-weight: 700;
  line-height: 1.25;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 0.16rem;
}

.register-project-link:hover,
.register-project-link:focus-visible {
  color: var(--register-blue);
  text-decoration-color: currentColor;
}

.build-register-table td[data-label="Project"] span {
  display: block;
  max-width: 42rem;
  margin-top: 0.22rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.register-open-link {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding: 0.28rem 0.5rem;
  border: 1px solid var(--register-rule);
  background: var(--register-paper);
  color: var(--register-blue);
  font-family: "Inter", sans-serif;
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: none;
}

.register-open-link:hover,
.register-open-link:focus-visible {
  background: var(--register-rule);
  color: var(--register-paper);
}

.register-empty {
  margin: 0;
  padding: 1rem;
  color: var(--muted-strong);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

@media (max-width: 1080px) {
  .register-cover-grid {
    grid-template-columns: 1fr;
  }

  .priority-register-heading {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 820px) {
  .register-controls {
    display: grid;
    align-items: start;
  }

  .register-filter-list {
    display: none;
  }

  .register-filter-select {
    display: grid;
  }

  .priority-register-shell {
    padding: 0.75rem;
  }

  .priority-register-grid {
    grid-template-columns: 1fr;
  }

  .register-table-wrap {
    overflow-x: visible;
  }

  .build-register-table {
    min-width: 0;
  }

  .build-register-table thead {
    display: none;
  }

  .build-register-table,
  .build-register-table tbody,
  .build-register-table tr,
  .build-register-table td {
    display: block;
    width: 100%;
  }

  .build-register-table tr {
    border-bottom: 2px solid var(--register-rule);
  }

  .build-register-table td {
    display: grid;
    grid-template-columns: 7.5rem 1fr;
    gap: 0.65rem;
    border-right: 0;
    padding: 0.58rem 0.7rem;
  }

  .build-register-table td::before {
    content: attr(data-label);
    color: var(--muted);
    font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }
}

@media (max-width: 560px) {
  .register-cover-title {
    padding-top: 4.2rem;
  }

  .register-cover-title h1 {
    max-width: none;
    font-size: clamp(2.1rem, 11vw, 3.2rem);
  }

  .register-cover-title::before {
    left: 1rem;
    right: auto;
  }

  .build-register-table td {
    grid-template-columns: 1fr;
    gap: 0.22rem;
  }
}

/* Project page layout */
.project-page .project-hero-shell {
  padding: clamp(2.4rem, 5vw, 4.4rem) 0 1rem;
}

.project-page .project-gallery-shell[hidden] {
  display: none;
}

.project-page .case-study-grid {
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.28fr);
  align-items: start;
  gap: 1rem;
}

.memo-title-block,
.memo-section,
.memo-spec-card,
.memo-related-section {
  border: 1px solid var(--border);
  border-radius: 0;
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.03) 1px, transparent 1px),
    linear-gradient(rgba(30, 106, 138, 0.03) 1px, transparent 1px),
    var(--surface);
  background-size: 20px 20px;
}

.memo-title-block {
  padding: clamp(1.2rem, 3vw, 2rem);
  border-top: 5px solid var(--text);
  position: relative;
}

.memo-title-block::after {
  content: "PROJECT";
  position: absolute;
  top: 1rem;
  right: 1rem;
  max-width: calc(100% - 2rem);
  padding: 0.22rem 0.4rem;
  border: 1px solid var(--border);
  background: rgba(255, 253, 247, 0.94);
  color: var(--muted);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}

.memo-title-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
  gap: 1rem;
  align-items: start;
  margin-top: 1.2rem;
}

.memo-title-block h1 {
  max-width: 15ch;
  margin: 0;
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: clamp(2.2rem, 5.2vw, 4.2rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.memo-subtitle,
.memo-summary {
  max-width: 70rem;
  color: var(--muted-strong);
  line-height: 1.62;
}

.memo-subtitle {
  margin: 0.9rem 0 0;
  font-size: clamp(1rem, 2vw, 1.22rem);
}

.memo-summary {
  margin: 0.55rem 0 0;
}

.memo-title-side {
  display: grid;
  gap: 0.75rem;
  min-width: 0;
}

.memo-hero-plate {
  margin: 0;
  border: 1px solid var(--border);
  background: rgba(255, 253, 247, 0.82);
}

.memo-hero-plate img {
  display: block;
  width: 100%;
  aspect-ratio: 1.34;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(30, 106, 138, 0.05) 1px, transparent 1px),
    #fdfbf3;
  background-size: 18px 18px;
}

.memo-hero-plate figcaption {
  display: grid;
  gap: 0.18rem;
  padding: 0.55rem 0.65rem;
  color: var(--muted-strong);
  font-size: 0.84rem;
  line-height: 1.36;
}

.memo-hero-plate figcaption span {
  color: var(--accent);
  font-family: "Inter", sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}

.memo-header-facts {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  background: rgba(239, 232, 216, 0.44);
}

.memo-header-facts dl,
.memo-spec-table {
  display: grid;
  margin: 0;
}

.memo-header-facts div,
.memo-spec-table div {
  display: grid;
  grid-template-columns: minmax(5.8rem, 0.42fr) 1fr;
  gap: 0.6rem;
  padding: 0.62rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.memo-header-facts div:last-child,
.memo-spec-table div:last-child {
  border-bottom: 0;
}

.memo-header-facts dt,
.memo-spec-table dt {
  color: var(--drawing-blue);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.memo-header-facts dd,
.memo-spec-table dd {
  margin: 0;
  color: var(--text);
  line-height: 1.45;
}

.memo-tag-list,
.memo-tool-list,
.memo-resource-links,
.memo-sidebar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.memo-tag-list {
  margin-top: 0.85rem;
}

.memo-review-chip-list {
  margin-top: 0.65rem;
}

.memo-tag-list li,
.memo-tool-list li {
  border: 1px solid var(--border);
  border-radius: 0;
  background: rgba(255, 253, 247, 0.82);
  color: var(--muted-strong);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  line-height: 1.2;
  padding: 0.3rem 0.46rem;
}

.memo-tag-list.compact,
.memo-tool-list {
  margin-top: 0.55rem;
}

.memo-resource-links {
  margin-top: 1rem;
}

.memo-resource-links a,
.memo-sidebar-links a,
.memo-related-list a {
  color: var(--drawing-blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18rem;
}

.memo-resource-links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.15rem;
  padding: 0.34rem 0.58rem;
  border: 1px solid var(--text);
  background: var(--surface);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  text-decoration: none;
}

.memo-resource-links a:hover,
.memo-resource-links a:focus-visible,
.memo-sidebar-links a:hover,
.memo-sidebar-links a:focus-visible,
.memo-related-list a:hover,
.memo-related-list a:focus-visible {
  color: var(--accent);
}

.memo-content {
  display: grid;
  gap: 0.9rem;
}

.memo-section {
  display: grid;
  grid-template-columns: minmax(15rem, 18rem) minmax(0, 1fr);
  min-height: 8rem;
  border-left: 4px solid var(--drawing-blue);
}

.memo-section-heading {
  min-width: 0;
  padding: 1rem;
  border-right: 1px solid var(--border);
  background: rgba(239, 232, 216, 0.46);
}

.memo-section-heading span {
  display: block;
  color: var(--accent);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.82rem;
  font-weight: 600;
}

.memo-section-heading h2 {
  margin: 0.38rem 0 0;
  color: var(--text);
  font-size: clamp(1.12rem, 1.4vw, 1.48rem);
  line-height: 1.15;
  overflow-wrap: normal;
  word-break: normal;
}

.memo-section-body {
  min-width: 0;
  padding: 1rem;
}

.memo-section-body p {
  margin: 0;
  color: var(--muted-strong);
  line-height: 1.68;
}

.memo-section-body p + p,
.memo-list + .memo-list-label,
.memo-list-label + .memo-list {
  margin-top: 0.75rem;
}

.memo-list,
.memo-process-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted-strong);
  line-height: 1.58;
}

.memo-list-label {
  color: var(--text) !important;
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.memo-process-list {
  padding-left: 0;
  list-style: none;
  counter-reset: memo-process;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
}

.memo-process-list li {
  counter-increment: memo-process;
  display: grid;
  grid-template-columns: 2.3rem minmax(0, 1fr);
  gap: 0.65rem;
  align-content: start;
  min-width: 0;
  padding: 0.78rem;
  border: 1px solid rgba(207, 199, 182, 0.78);
  border-top: 3px solid var(--drawing-blue);
  background: rgba(255, 253, 247, 0.72);
}

.memo-process-list li:last-child {
  border-bottom: 1px solid rgba(207, 199, 182, 0.78);
}

.memo-process-list li::before {
  content: counter(memo-process, decimal-leading-zero);
  grid-column: 1;
  color: var(--accent);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-weight: 600;
}

.memo-process-step {
  grid-column: 2;
  min-width: 0;
}

.memo-process-step p {
  max-width: 72ch;
  overflow-wrap: normal;
  word-break: normal;
}

.memo-process-list h3,
.memo-decision-grid h3 {
  margin: 0 0 0.28rem;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.25;
}

.memo-decision-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 0.75rem;
}

.memo-decision-grid article {
  min-width: 0;
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  background: rgba(255, 253, 247, 0.72);
  padding: 0.8rem;
}

.memo-decision-grid p,
.memo-process-step p {
  overflow-wrap: break-word;
  word-break: normal;
}

.memo-evidence-note {
  margin-bottom: 0.85rem !important;
}

.memo-evidence-archive-note {
  margin-top: 0.75rem !important;
  color: var(--muted) !important;
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.evidence-plate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 0.75rem;
}

.evidence-plate {
  margin: 0;
  border: 1px solid var(--border);
  background: var(--surface);
}

.evidence-media {
  display: grid;
  place-items: center;
  min-height: 150px;
  max-height: 280px;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(30, 106, 138, 0.05) 1px, transparent 1px),
    #fdfbf3;
  background-size: 18px 18px;
  overflow: hidden;
}

.evidence-media img,
.evidence-media video {
  width: 100%;
  height: 100%;
  max-height: 280px;
  object-fit: contain;
  padding: 0.45rem;
}

.evidence-plate figcaption {
  display: grid;
  gap: 0.18rem;
  margin: 0;
  padding: 0.58rem 0.65rem;
  color: var(--muted-strong);
  font-size: 0.86rem;
  line-height: 1.4;
}

.evidence-plate figcaption span {
  color: var(--accent);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

#project-sidebar {
  position: sticky;
  top: 5.3rem;
}

.memo-sidebar {
  display: grid;
  gap: 0.75rem;
}

.memo-spec-card {
  padding: 0.8rem;
  border-top: 3px solid var(--drawing-blue);
}

.memo-sidebar-links {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.55rem;
}

.memo-related-section {
  padding: 1rem;
  border-top: 4px solid var(--text);
}

.memo-related-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.65rem;
  padding: 0;
  margin: 0.9rem 0 0;
  list-style: none;
}

.memo-related-list a {
  display: grid;
  gap: 0.22rem;
  height: 100%;
  padding: 0.72rem;
  border: 1px solid var(--border);
  background: rgba(255, 253, 247, 0.74);
  text-decoration: none;
}

.memo-related-list span,
.memo-related-list em {
  color: var(--muted);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  font-style: normal;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.memo-related-list strong {
  color: var(--text);
  line-height: 1.25;
}

@media (max-width: 1120px) {
  .memo-section {
    grid-template-columns: 1fr;
  }

  .memo-section-heading {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 980px) {
  .project-page .case-study-grid,
  .memo-title-grid {
    grid-template-columns: 1fr;
  }

  #project-sidebar {
    position: static;
  }
}

@media (max-width: 720px) {
  .memo-title-block {
    padding-top: 4.2rem;
  }

  .memo-title-block::after {
    left: 1rem;
    right: auto;
  }

  .memo-header-facts div,
  .memo-spec-table div,
  .memo-process-list li {
    grid-template-columns: 1fr;
    gap: 0.28rem;
  }

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

  .memo-process-step {
    grid-column: 1;
  }

  .memo-decision-grid,
  .evidence-plate-grid {
    grid-template-columns: 1fr;
  }

  .evidence-media {
    max-height: 240px;
  }
}

/* Experience page */
.field-log-experience .capability-log-page {
  padding-block: clamp(2rem, 4vw, 3.6rem);
}

.capability-log-shell {
  display: grid;
  gap: 1rem;
}

.capability-cover,
.capability-section {
  border: 1px solid var(--border);
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.045) 1px, transparent 1px),
    linear-gradient(0deg, rgba(30, 106, 138, 0.035) 1px, transparent 1px),
    var(--surface);
  background-size: 28px 28px;
  box-shadow: 3px 3px 0 rgba(207, 199, 182, 0.62);
}

.capability-cover {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2rem);
  border-top: 4px solid var(--text);
}

.capability-cover::after {
  content: "EXPERIENCE";
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.25rem 0.45rem;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--drawing-blue);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.field-note-label,
.capability-log-code,
.cert-register-code,
.capability-log-meta,
.capability-log-period {
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

.field-note-label {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.capability-cover h1 {
  max-width: 58rem;
  margin: 0;
  color: var(--text);
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.capability-cover p:last-child {
  max-width: 54rem;
  margin: 1rem 0 0;
  color: var(--muted-strong);
  font-size: clamp(1rem, 2vw, 1.16rem);
  line-height: 1.65;
}

.capability-section {
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
}

.capability-section-label {
  display: grid;
  align-content: start;
  gap: 0.45rem;
  padding: 1rem;
  border-right: 1px solid var(--border);
  background: rgba(239, 232, 216, 0.72);
}

.capability-section-label span {
  width: fit-content;
  padding: 0.18rem 0.4rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 600;
}

.capability-section-label h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
  line-height: 1.08;
}

.capability-log-list,
.capability-section-body,
.certification-register {
  min-width: 0;
  padding: 1rem;
}

.capability-log-list {
  display: grid;
  gap: 0.75rem;
}

.capability-log-row {
  display: grid;
  grid-template-columns: 5.25rem minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(207, 199, 182, 0.72);
}

.capability-log-row:first-child {
  padding-top: 0;
}

.capability-log-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.capability-log-code,
.cert-register-code {
  margin: 0;
  color: var(--drawing-blue);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.capability-log-copy {
  min-width: 0;
}

.capability-log-copy h3,
.cert-register-copy h3 {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.28;
}

.capability-log-copy p,
.cert-register-copy p {
  margin: 0.35rem 0 0;
  color: var(--muted-strong);
  line-height: 1.58;
}

.capability-log-meta,
.capability-log-period {
  color: var(--drawing-blue) !important;
  font-size: 0.78rem;
}

.capability-log-period {
  color: var(--muted) !important;
}

.capability-intro {
  max-width: 62rem;
  margin: 0 0 0.8rem;
  color: var(--muted-strong);
  line-height: 1.58;
}

.toolkit-register {
  overflow-x: auto;
  border: 1px solid var(--border);
  background: rgba(255, 253, 247, 0.78);
}

.toolkit-register table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

.toolkit-register th,
.toolkit-register td {
  padding: 0.72rem 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.toolkit-register thead th {
  background: var(--bg-elevated);
  color: var(--drawing-blue);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.toolkit-register tbody th {
  width: 22%;
  color: var(--text);
  font-weight: 700;
}

.toolkit-register td:nth-child(2) {
  width: 18%;
  color: var(--muted);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
}

.toolkit-register tr:last-child th,
.toolkit-register tr:last-child td {
  border-bottom: 0;
}

.toolkit-token-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.toolkit-token {
  padding: 0.22rem 0.42rem;
  border: 1px solid rgba(207, 199, 182, 0.92);
  background: var(--surface);
  color: var(--text);
  font-size: 0.82rem;
  line-height: 1.25;
}

.certification-register {
  display: grid;
  gap: 0.6rem;
}

.cert-register-row {
  display: grid;
  grid-template-columns: 4.75rem 5.5rem minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.65rem;
  border: 1px solid rgba(207, 199, 182, 0.84);
  background: rgba(255, 253, 247, 0.78);
}

.cert-register-image {
  width: 5.5rem;
  height: 3.65rem;
  object-fit: contain;
  border: 1px solid var(--border);
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(30, 106, 138, 0.04) 1px, transparent 1px),
    var(--surface);
  background-size: 14px 14px;
}

.cert-register-image-empty {
  display: block;
}

.cert-register-copy p {
  color: var(--muted);
  font-size: 0.86rem;
}

.cert-register-copy span {
  color: var(--drawing-blue);
}

.cert-register-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.38rem;
}

.cert-register-actions a {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  border: 1px solid var(--border);
  padding: 0.34rem 0.52rem;
  background: var(--surface);
  color: var(--drawing-blue);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
}

.cert-register-actions a:hover,
.cert-register-actions a:focus-visible {
  border-color: var(--accent);
  background: var(--bg-elevated);
  color: var(--text);
}

@media (max-width: 860px) {
  .capability-section {
    grid-template-columns: 1fr;
  }

  .capability-section-label {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .cert-register-row {
    grid-template-columns: 5rem minmax(0, 1fr);
    align-items: start;
  }

  .cert-register-code {
    grid-column: 1 / -1;
  }

  .cert-register-image {
    grid-column: 1;
  }

  .cert-register-actions {
    grid-column: 2;
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .capability-cover::after {
    position: static;
    display: inline-block;
    margin-top: 1rem;
  }

  .capability-log-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .cert-register-row {
    grid-template-columns: 1fr;
  }

  .cert-register-image {
    grid-column: auto;
    width: 100%;
    max-width: 10rem;
    height: 5.8rem;
  }

  .cert-register-code {
    grid-column: auto;
  }

  .cert-register-actions {
    grid-column: auto;
  }
}

/* Contact page */
.contact-note-section {
  padding-block: clamp(2rem, 4vw, 3.6rem);
}

.collaboration-note-shell {
  display: grid;
  gap: 1rem;
}

.collaboration-note-cover,
.collaboration-register {
  border: 1px solid var(--border);
  background:
    linear-gradient(90deg, rgba(30, 106, 138, 0.045) 1px, transparent 1px),
    linear-gradient(0deg, rgba(30, 106, 138, 0.035) 1px, transparent 1px),
    var(--surface);
  background-size: 28px 28px;
  box-shadow: 3px 3px 0 rgba(207, 199, 182, 0.62);
}

.collaboration-note-cover {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2rem);
  border-top: 4px solid var(--text);
}

.collaboration-note-cover h1 {
  max-width: 56rem;
  margin: 0;
  color: var(--text);
  font-size: clamp(1.95rem, 4.8vw, 3.6rem);
  line-height: 1;
  letter-spacing: 0;
}

.collaboration-note-cover p:not(.field-note-label) {
  max-width: 58rem;
  margin: 1rem 0 0;
  color: var(--muted-strong);
  line-height: 1.65;
}

.contact-location-line {
  width: fit-content;
  padding: 0.28rem 0.52rem;
  border: 1px solid var(--border);
  background: rgba(239, 232, 216, 0.72);
  color: var(--drawing-blue) !important;
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
}

.contact-location-line:empty {
  display: none;
}

.collaboration-register {
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
}

.collaboration-section-label {
  display: grid;
  align-content: start;
  gap: 0.45rem;
  padding: 1rem;
  border-right: 1px solid var(--border);
  background: rgba(239, 232, 216, 0.72);
}

.collaboration-section-label span {
  width: fit-content;
  padding: 0.18rem 0.4rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 600;
}

.collaboration-section-label h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
  line-height: 1.08;
}

.contact-register-list,
.contact-context-list {
  min-width: 0;
  margin: 0;
  padding: 1rem;
}

.contact-register-list {
  display: grid;
  gap: 0.55rem;
}

.contact-register-row {
  display: grid;
  grid-template-columns: 2.35rem minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.72rem;
  border: 1px solid rgba(207, 199, 182, 0.86);
  background: rgba(255, 253, 247, 0.78);
  color: var(--text);
  text-decoration: none;
}

.contact-register-row:hover,
.contact-register-row:focus-visible {
  border-color: var(--accent);
  background: var(--bg-elevated);
}

.contact-register-icon,
.contact-register-action {
  color: var(--drawing-blue);
  font-weight: 600;
}

.contact-register-icon {
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid var(--border);
  background: var(--surface);
}

.contact-register-icon svg {
  width: 1.05rem;
  height: 1.05rem;
  fill: currentColor;
}

.contact-register-action {
  font-family: "Inter", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0;
  text-transform: none;
}

.contact-register-main {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
}

.contact-register-main strong {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.28;
}

.contact-register-main em {
  color: var(--muted-strong);
  font-style: normal;
  line-height: 1.45;
}

.contact-register-action {
  justify-self: end;
  padding: 0.26rem 0.42rem;
  border: 1px solid var(--border);
  background: var(--surface);
}

.contact-context-list {
  display: grid;
  gap: 0.55rem;
  list-style: none;
}

.contact-context-list li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--muted-strong);
  line-height: 1.55;
}

.contact-context-list li::before {
  content: "";
  position: absolute;
  top: 0.68rem;
  left: 0;
  width: 0.48rem;
  height: 0.48rem;
  border: 1px solid var(--accent);
  background: var(--safety-yellow);
}

@media (max-width: 860px) {
  .collaboration-register {
    grid-template-columns: 1fr;
  }

  .collaboration-section-label {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 620px) {
  .contact-register-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .contact-register-action {
    justify-self: start;
  }
}

/* Stage 6A: light visual polish for the current engineering portfolio */
:root {
  --polish-radius: 6px;
  --polish-shadow: 0 10px 26px rgba(30, 36, 40, 0.08);
  --polish-shadow-strong: 0 16px 34px rgba(30, 36, 40, 0.12);
  --polish-border: rgba(30, 36, 40, 0.16);
}

.site-header {
  box-shadow: 0 1px 0 rgba(30, 36, 40, 0.08);
}

.nav-links a,
.footer-links a,
.field-cover-actions a,
.featured-project-action,
.register-filter-list button,
.register-filter-select select,
.register-open-link,
.memo-resource-links a,
.cert-register-actions a,
.contact-register-action {
  border-radius: var(--polish-radius);
  font-family: "Inter", sans-serif;
  letter-spacing: 0;
  text-transform: none;
  transition:
    background var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    color var(--transition),
    transform var(--transition);
}

.field-label,
.field-note-label {
  font-family: "Inter", sans-serif;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.field-register-card dt,
.register-summary-panel dt,
.register-filter-select span,
.memo-header-facts dt,
.memo-spec-table dt,
.memo-list-label,
.memo-evidence-archive-note,
.project-review-chip-list li,
.memo-review-chip-list li,
.memo-tag-list li,
.memo-tool-list li,
.toolkit-token,
.contact-location-line {
  font-family: "Inter", sans-serif;
  letter-spacing: 0;
  text-transform: none;
}

.field-degree,
.priority-project-card small {
  font-family: "Inter", sans-serif;
  letter-spacing: 0;
  text-transform: none;
}

.register-cover-title::before {
  content: "Projects";
  font-family: "Inter", sans-serif;
  letter-spacing: 0;
}

.capability-cover::after {
  content: "Experience";
  font-family: "Inter", sans-serif;
  letter-spacing: 0;
}

.memo-title-block::after {
  content: "Project";
  font-family: "Inter", sans-serif;
  letter-spacing: 0;
}

.field-cover {
  padding-bottom: clamp(0.25rem, 1vw, 0.7rem);
}

.field-cover-grid {
  align-items: stretch;
}

.field-cover-title {
  align-self: stretch;
  align-content: center;
  height: 100%;
}

.review-lenses-section {
  padding-top: clamp(0.35rem, 1vw, 0.75rem);
}

.field-cover-title,
.field-profile-card,
.field-focus-card,
.field-register-card,
.review-lenses-shell,
.review-lens,
.featured-project-shell,
.featured-project-card,
.register-cover-title,
.register-summary-panel,
.register-controls,
.priority-register-shell,
.priority-project-card,
.register-table-wrap,
.memo-title-block,
.memo-hero-plate,
.memo-header-facts,
.memo-section,
.memo-spec-card,
.memo-related-section,
.evidence-plate,
.memo-decision-grid article,
.memo-process-list li,
.capability-cover,
.capability-section,
.toolkit-register,
.cert-register-row,
.collaboration-note-cover,
.collaboration-register,
.contact-register-row,
.contact-register-icon {
  border-color: var(--polish-border);
  border-radius: var(--polish-radius);
  box-shadow: var(--polish-shadow);
}

.field-cover-title,
.register-cover-title,
.capability-cover,
.collaboration-note-cover {
  overflow: hidden;
}

.featured-project-card,
.priority-project-card,
.memo-hero-plate,
.evidence-plate,
.memo-related-list a,
.capability-log-row,
.cert-register-row,
.contact-register-row {
  transition:
    background var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
}

.featured-project-card,
.priority-project-card,
.memo-hero-plate,
.evidence-plate,
.memo-related-list a,
.cert-register-row,
.contact-register-row {
  overflow: hidden;
}

.featured-project-card figure,
.priority-project-card figure,
.project-card-media,
.memo-hero-plate,
.evidence-media,
.cert-register-image,
.contact-register-icon {
  border-radius: var(--polish-radius);
}

.featured-project-card img,
.priority-project-card img,
.project-card-media img,
.memo-hero-plate img,
.evidence-media img,
.cert-register-image {
  transition:
    filter var(--transition),
    transform 280ms ease;
}

.featured-project-card img,
.priority-project-card img {
  aspect-ratio: 16 / 10;
  object-position: center;
}

.featured-project-card figcaption,
.priority-project-card figcaption,
.memo-hero-plate figcaption,
.evidence-plate figcaption {
  padding: 0.88rem;
}

.priority-project-card small,
.featured-project-action,
.register-open-link,
.memo-resource-links a,
.cert-register-actions a,
.contact-register-action {
  text-decoration: none;
}

.field-cover-actions a:hover,
.field-cover-actions a:focus-visible,
.register-open-link:hover,
.register-open-link:focus-visible,
.memo-resource-links a:hover,
.memo-resource-links a:focus-visible,
.cert-register-actions a:hover,
.cert-register-actions a:focus-visible,
.contact-register-row:hover .contact-register-action,
.contact-register-row:focus-visible .contact-register-action {
  box-shadow: inset 0 -2px 0 var(--accent);
}

@media (hover: hover) and (pointer: fine) {
  .featured-project-card:hover,
  .featured-project-card:focus-visible,
  .priority-project-card:hover,
  .priority-project-card:focus-within,
  .memo-hero-plate:hover,
  .memo-hero-plate:focus-within,
  .evidence-plate:hover,
  .evidence-plate:focus-within,
  .memo-related-list a:hover,
  .memo-related-list a:focus-visible,
  .cert-register-row:hover,
  .cert-register-row:focus-within,
  .contact-register-row:hover,
  .contact-register-row:focus-visible {
    border-color: rgba(217, 108, 22, 0.46);
    box-shadow: var(--polish-shadow-strong);
    transform: translateY(-2px);
  }

  .featured-project-card:hover img,
  .featured-project-card:focus-visible img,
  .priority-project-card:hover img,
  .priority-project-card:focus-within img,
  .project-card:hover .project-card-media img,
  .project-card:focus-within .project-card-media img,
  .memo-hero-plate:hover img,
  .memo-hero-plate:focus-within img,
  .evidence-plate:hover .evidence-media img,
  .evidence-plate:focus-within .evidence-media img {
    transform: scale(1.025);
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-links a,
  .footer-links a,
  .field-cover-actions a,
  .featured-project-action,
  .register-filter-list button,
  .register-filter-select select,
  .register-open-link,
  .memo-resource-links a,
  .cert-register-actions a,
  .contact-register-action,
  .featured-project-card,
  .priority-project-card,
  .memo-hero-plate,
  .evidence-plate,
  .memo-related-list a,
  .capability-log-row,
  .cert-register-row,
  .contact-register-row,
  .featured-project-card img,
  .priority-project-card img,
  .project-card-media img,
  .memo-hero-plate img,
  .evidence-media img,
  .cert-register-image {
    transition: none;
  }
}

@media (max-width: 760px) {
  .nav {
    flex-wrap: wrap;
    overflow: visible;
  }

  .nav-links {
    width: 100%;
  }
}

@media (max-width: 680px) {
  .field-cover-title::before,
  .register-cover-title::before,
  .memo-title-block::after,
  .capability-cover::after {
    display: none;
  }

  .field-cover-title,
  .memo-title-block {
    padding-top: clamp(1.45rem, 6vw, 2rem);
  }

  .register-cover-title,
  .capability-cover {
    padding-top: clamp(1.25rem, 6vw, 1.8rem);
  }
}

/* Stage 6B: final visual refinement, CSS-only */
@media (min-width: 981px) {
  .project-page .case-study-grid {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.27fr);
    gap: clamp(1.05rem, 1.8vw, 1.45rem);
  }

  .memo-title-grid {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.38fr);
    gap: clamp(1.2rem, 2.2vw, 1.85rem);
  }

  .memo-title-block h1 {
    max-width: 17ch;
    font-size: clamp(2.35rem, 4.35vw, 3.75rem);
    line-height: 0.98;
  }
}

@media (min-width: 1121px) {
  .memo-section {
    grid-template-columns: minmax(11.5rem, 14rem) minmax(0, 1fr);
  }
}

.project-page .project-hero-shell {
  padding-top: clamp(2.15rem, 4.2vw, 3.7rem);
}

.memo-title-block {
  padding: clamp(1.25rem, 2.6vw, 1.85rem);
}

.memo-section-body {
  padding: clamp(1rem, 1.8vw, 1.24rem);
}

.memo-section-heading {
  padding: clamp(0.9rem, 1.5vw, 1.05rem);
}

.memo-content {
  gap: 0.82rem;
}

.register-table-section {
  padding-bottom: clamp(2.2rem, 4vw, 2.8rem);
}

.build-register-table td {
  background: rgba(255, 253, 247, 0.7);
  font-size: 0.9rem;
  line-height: 1.52;
}

.build-register-table td:nth-child(2),
.build-register-table td:nth-child(6),
.build-register-table td:nth-child(7) {
  font-family: "Inter", sans-serif;
  font-size: 0.88rem;
}

.build-register-table td:nth-child(1) {
  font-size: 0.76rem;
}

.build-register-table td:nth-child(4),
.build-register-table td:nth-child(5),
.build-register-table td:nth-child(6) {
  color: var(--muted-strong);
}

.build-register-table tr:hover td,
.build-register-table tr:focus-within td {
  background: rgba(239, 232, 216, 0.48);
}

.register-project-link {
  text-decoration-thickness: 1px;
}

.field-cover {
  padding-top: clamp(2rem, 4.4vw, 3.75rem);
}

.review-lenses-section {
  padding-bottom: clamp(0.95rem, 2.2vw, 1.55rem);
}

.featured-project-section {
  padding-bottom: clamp(1.75rem, 3.2vw, 2.35rem);
}

.field-section {
  padding: clamp(1.85rem, 3.7vw, 2.75rem) 0;
}

.field-section-heading {
  margin-bottom: 0.7rem;
}

.field-note {
  min-height: 13.5rem;
}

.method-entry {
  min-height: 9rem;
}

@media (max-width: 720px) {
  .project-page .project-hero-shell .container,
  .memo-title-block,
  .memo-title-grid,
  .memo-title-grid > *,
  .memo-title-side,
  .memo-hero-plate,
  .memo-header-facts {
    min-width: 0;
    max-width: 100%;
  }

  .memo-title-grid {
    display: block;
  }

  .memo-title-side {
    margin-top: 1rem;
  }

  .memo-title-block h1 {
    max-width: 100%;
    font-size: clamp(2rem, 10vw, 2.75rem);
    line-height: 1;
  }

  .memo-subtitle,
  .memo-summary {
    max-width: 100%;
    overflow-wrap: break-word;
  }
}

@media (max-width: 560px) {
  .memo-title-grid > div:first-child,
  .memo-title-side {
    width: min(100%, calc(100vw - 4rem));
  }

  .memo-title-block h1 {
    max-width: 10.5ch;
    font-size: clamp(2rem, 8.8vw, 2.45rem);
  }

  .memo-subtitle,
  .memo-summary {
    max-width: 29ch;
  }
}