/* ========================================
   Matthew Aguilar-Champeau — Portfolio
   Shared Stylesheet · Flexoki Palette
   Light/Dark Mode
   ======================================== */

/* --- FLEXOKI TOKEN LAYER --- */
:root {
  /* Flexoki base */
  --fl-black: #100F0F;
  --fl-950: #1C1B1A;
  --fl-900: #282726;
  --fl-850: #343331;
  --fl-800: #403E3C;
  --fl-700: #575653;
  --fl-600: #6F6E69;
  --fl-500: #878580;
  --fl-300: #B7B5AC;
  --fl-200: #CECDC3;
  --fl-150: #DAD8CE;
  --fl-100: #E6E4D9;
  --fl-50: #F2F0E5;
  --fl-paper: #FFFCF0;

  /* Flexoki accents — light uses 600, dark uses 400 */
  --fl-red-600: #D14D41;
  --fl-red-400: #D14D41;
  --fl-orange-600: #BC5215;
  --fl-orange-400: #DA702C;
  --fl-yellow-600: #AD8301;
  --fl-yellow-400: #D0A215;
  --fl-green-600: #66800B;
  --fl-green-400: #879A39;
  --fl-cyan-600: #24837B;
  --fl-cyan-400: #3AA99F;
  --fl-blue-600: #205EA6;
  --fl-blue-400: #4385BE;
  --fl-purple-600: #5E409D;
  --fl-purple-400: #8B7EC8;
  --fl-magenta-600: #A02F6F;
  --fl-magenta-400: #CE5D97;
}

/* --- LIGHT MODE (default) --- */
:root,
[data-theme="light"] {
  --color-bg: var(--fl-paper);
  --color-bg-2: var(--fl-50);
  --color-text: var(--fl-black);
  --color-text-muted: var(--fl-600);
  --color-text-faint: var(--fl-300);
  --color-border: var(--fl-100);
  --color-border-hover: var(--fl-150);
  --color-border-active: var(--fl-200);
  --color-card-bg: #FFFFFF;
  --color-highlight: var(--fl-50);
  --color-tag-bg: var(--fl-100);

  /* Accent — red across both modes */
  --color-accent: var(--fl-red-400);
  --color-accent-hover: var(--fl-red-600);
  --color-link: var(--fl-cyan-600);

  /* Shadows */
  --shadow-card: 0 2px 12px rgba(16, 15, 15, 0.05), 0 1px 3px rgba(16, 15, 15, 0.03);
  --shadow-card-hover: 0 4px 16px rgba(16, 15, 15, 0.08);

  /* Nav */
  --nav-bg: rgba(255, 252, 240, 0.92);

  /* Toggle icon */
  --toggle-icon: "☽";
}

/* --- DARK MODE --- */
[data-theme="dark"] {
  --color-bg: var(--fl-black);
  --color-bg-2: var(--fl-950);
  --color-text: var(--fl-200);
  --color-text-muted: var(--fl-500);
  --color-text-faint: var(--fl-700);
  --color-border: var(--fl-900);
  --color-border-hover: var(--fl-850);
  --color-border-active: var(--fl-800);
  --color-card-bg: var(--fl-950);
  --color-highlight: var(--fl-900);
  --color-tag-bg: var(--fl-900);

  /* Accent — using orange-400 for dark, cyan-400 for links */
  --color-accent: var(--fl-red-400);
  --color-accent-hover: var(--fl-red-600);
  --color-link: var(--fl-cyan-400);

  /* Shadows */
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.2), 0 1px 3px rgba(0, 0, 0, 0.15);
  --shadow-card-hover: 0 4px 16px rgba(0, 0, 0, 0.3);

  /* Nav */
  --nav-bg: rgba(16, 15, 15, 0.92);

  /* Toggle icon */
  --toggle-icon: "☀";
}

/* --- FONT STACK --- */
:root {
  --font-display: 'Geist Mono', 'Cascadia Code', monospace;
  --font-body: 'iA Writer Quattro V', 'iA Writer Quattro', Georgia, serif;
  --font-mono: 'Geist Mono', 'Cascadia Code', monospace;
  --max-width: 1100px;
  --spacing-section: 6rem;
}

/* --- RESET --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
  text-align: justify;
  text-align-last: left;
  hyphens: auto;
}

/* Override justify on non-prose elements */
nav,
nav a,
nav button,
h1,
h2,
h3,
h4,
h5,
h6,
.hero-label,
.section-label,
.section-divider,
.tag,
.tags,
.case-tag,
.case-tags,
.case-num,
.creds-chip,
.creds-chips,
.creds-meta,
.mast-eyebrow,
.mast-status,
.mast-status-key,
.mast-status-val,
.h-section-head,
.case-meta,
.case-arrow,
.hub-foot h4,
.hub-foot-copy,
.flow-step,
.scaffold-item .scaffold-week,
.tool-tag,
.media-type,
.back-link {
  text-align: left;
  hyphens: none;
}

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.9rem 2rem;
}

nav .nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav .nav-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-text);
  text-decoration: none;
}

nav .nav-name:hover {
  color: var(--color-accent);
}

nav .nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
  align-items: center;
}

nav .nav-links a {
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s;
}

nav .nav-links a:hover {
  color: var(--color-accent);
}

nav .nav-links a.active {
  color: var(--color-accent);
}

/* --- THEME TOGGLE --- */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  color: var(--color-text-muted);
  transition: border-color 0.2s, color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.theme-toggle::before {
  content: var(--toggle-icon);
}

/* --- HERO --- */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 2rem 4rem;
}

.hero-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.hero-intro {
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* --- SECTION LAYOUT --- */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem var(--spacing-section);
}

.section-divider {
  width: 48px;
  height: 2px;
  background: var(--color-accent);
  margin-bottom: 2rem;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.section h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 0.8rem;
  color: var(--color-text);
}

.section p {
  margin-bottom: 1.2rem;
}

/* --- TAGS --- */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tag {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  background: var(--color-tag-bg);
  border-radius: 3px;
  color: var(--color-text-muted);
}

/* --- DESIGN RATIONALE CARDS --- */
.rationale-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

.rationale-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.5rem;
}

.rationale-card h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--color-accent);
}

.rationale-card p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  margin-bottom: 0;
  max-width: none;
}

/* --- ARTIFACT HIGHLIGHT --- */
.artifact-block {
  background: var(--color-highlight);
  border-left: 3px solid var(--color-accent);
  padding: 1.5rem 1.8rem;
  margin: 2rem 0;
  border-radius: 0 6px 6px 0;
}

.artifact-block h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.artifact-block p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  max-width: none;
  margin-bottom: 0;
}

/* --- FLOW DIAGRAM --- */
.flow-container {
  margin: 2.5rem 0;
  overflow-x: auto;
}

.flow {
  display: flex;
  align-items: center;
  gap: 0;
  min-width: fit-content;
}

.flow-step {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1rem 1.3rem;
  min-width: 140px;
  text-align: center;
}

.flow-step .step-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.3rem;
}

.flow-step .step-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
}

.flow-arrow {
  color: var(--color-text-faint);
  font-size: 1.4rem;
  padding: 0 0.5rem;
  flex-shrink: 0;
}

/* --- WEEK STRUCTURE TABLE --- */
.week-structure {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.9rem;
}

.week-structure th {
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.8rem 1rem;
  border-bottom: 2px solid var(--color-border);
}

.week-structure td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.week-structure td:first-child {
  font-weight: 500;
  white-space: nowrap;
  color: var(--color-accent);
}

/* --- SCAFFOLD TIMELINE --- */
.scaffold-timeline {
  position: relative;
  padding-left: 2rem;
  margin: 2rem 0;
}

.scaffold-timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.scaffold-item {
  position: relative;
  margin-bottom: 1.8rem;
  padding-left: 1rem;
}

.scaffold-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.45rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
}

.scaffold-item .scaffold-week {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.2rem;
}

.scaffold-item h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--color-text);
}

.scaffold-item p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* --- SLIDE ANNOTATION --- */
.slide-annotation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
  margin: 2.5rem 0;
}

.slide-img-container {
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.slide-img-container img {
  width: 100%;
  display: block;
}

.slide-img-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--color-bg-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-style: italic;
}

.slide-commentary h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--color-text);
}

.slide-commentary p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: none;
}

/* --- CANVAS SCREENSHOTS --- */
.canvas-screenshot {
  margin: 2rem 0;
}

.canvas-screenshot img {
  max-width: 100%;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.screenshot-caption {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-top: 1rem;
  max-width: none;
}

/* --- MEDIA LINKS --- */
.media-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
  align-items: flex-start;
}

.media-item:last-child {
  border-bottom: none;
}

.media-type {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-tag-bg);
  padding: 0.3rem 0.6rem;
  border-radius: 3px;
  white-space: nowrap;
  margin-top: 0.2rem;
}

.media-content h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--color-text);
}

.media-content h4 a {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  transition: border-color 0.2s, color 0.2s;
}

.media-content h4 a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.media-content p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
  max-width: none;
}

/* --- ABOUT / PHILOSOPHY --- */
.about-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem var(--spacing-section);
}

.about-section h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.25;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.about-section p {
  margin-bottom: 0.5rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

.about-card {
  padding: 1.5rem;
  border-top: 2px solid var(--color-accent);
}

.about-card h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--color-text);
}

.about-card p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 0;
  max-width: none;
}

.tools-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2rem 0 0;
}

.tool-tag {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  color: var(--color-text-muted);
}

.testimonial-strip {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
  margin: 2.5rem 0 0;
}

.testimonial {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.5rem;
}

.testimonial p {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 0.8rem;
  max-width: none;
}

.testimonial .testimonial-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.awards-inline {
  margin-top: 2rem;
  padding: 1.2rem 1.5rem;
  background: var(--color-highlight);
  border-radius: 6px;
  display: flex;
  gap: 2.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.awards-inline .award-item {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.awards-inline .award-year {
  font-weight: 600;
  color: var(--color-accent);
  margin-right: 0.3rem;
}

/* --- PROJECT CARDS (Landing Page) --- */
.projects-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem var(--spacing-section);
}

.projects-grid h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.25;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.project-cards {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
}

.project-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 2rem 1.8rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card-hover);
}

.project-card .card-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.8rem;
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 0.8rem;
}

.project-card .card-desc {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  flex: 1;
  margin-bottom: 1.2rem;
}

.project-card .card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.project-card .card-tags .tag {
  font-size: 0.65rem;
  padding: 0.2rem 0.6rem;
}

.project-card .card-cta {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

.project-card:hover .card-cta {
  text-decoration: underline;
}

/* --- BACK LINK (Project Pages) --- */
.back-link {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 2rem 0;
}

.back-link a {
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.back-link a:hover {
  color: var(--color-accent);
}

/* --- FOOTER --- */
footer {
  border-top: 1px solid var(--color-border);
  padding: 3rem 2rem;
  margin-top: 2rem;
}

footer .footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
}

footer h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

footer p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 0.3rem;
}

footer a {
  color: var(--color-accent);
  text-decoration: none;
}

/* --- RESPONSIVE --- */
@media (max-width: 720px) {
  .hero h1 {
    font-size: 2rem;
  }

  .section h2 {
    font-size: 1.6rem;
  }

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

  .slide-annotation {
    grid-template-columns: 1fr;
  }

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

  .testimonial-strip {
    grid-template-columns: 1fr;
  }

  .project-cards {
    grid-template-columns: 1fr;
  }

  .awards-inline {
    flex-direction: column;
    gap: 0.8rem;
  }

  nav .nav-links {
    gap: 1rem;
  }

  nav .nav-links a {
    font-size: 0.75rem;
  }

  footer .footer-inner {
    flex-direction: column;
  }

  .flow {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ========================================
   HUB LAYOUT — Homepage
   ======================================== */

/* Shell */
.hub-shell {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* --- MASTHEAD --- */
.mast {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 3rem;
  padding: 4rem 0 3.5rem;
  border-bottom: 1px solid var(--color-border);
}

.mast-eyebrow {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.2rem;
}

.mast-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 1.2rem;
}

.mast-lede {
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--color-text-muted);
}

.mast-status {
  border-left: 1px solid var(--color-border);
  padding-left: 2rem;
  padding-top: 0.25rem;
}

.mast-status-row {
  display: flex;
  flex-direction: column;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--color-border);
}

.mast-status-row:last-child {
  border-bottom: none;
}

.mast-status-key {
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: 0.15rem;
}

.mast-status-val {
  font-size: 0.85rem;
  color: var(--color-text);
  line-height: 1.4;
}

.mast-status-val.accent {
  color: var(--color-accent);
}

.mast-status-val a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  transition: border-color 0.2s, color 0.2s;
}

.mast-status-val a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* --- SECTION HEADS (hub style) --- */
.h-section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 2.5rem 0 0;
  border-top: 1px solid var(--color-border);
  margin-top: 0;
}

.h-section-head>span:first-child {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-bottom: 1.2rem;
  display: block;
}

.h-section-head .count {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
}

/* --- CASE CARDS --- */
.cases {
  /* vertical stack — no extra margin/padding needed */
}

.case-card {
  display: grid;
  grid-template-columns: 1fr 160px;
  gap: 2rem;
  align-items: start;
  padding: 1.6rem 1.5rem;
  margin: 0 -1.5rem;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
  border-radius: 6px;
}

.case-card:hover {
  background: var(--color-highlight);
}

.case-num {
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 400;
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
  display: block;
}

.case-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.case-blurb {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 0.8rem;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.case-tag {
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.18rem 0.5rem;
  background: var(--color-tag-bg);
  border-radius: 2px;
  color: var(--color-text-muted);
}

.case-meta {
  border-left: 1px solid var(--color-border);
  padding-left: 1.2rem;
  padding-top: 0.15rem;
  text-align: right;
}

.case-meta-row {
  display: flex;
  flex-direction: column;
  margin-bottom: 0.75rem;
}

.case-meta-key {
  font-family: var(--font-display);
  font-size: 0.60rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: 0.1rem;
}

.case-meta-val {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.case-arrow {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-top: 0.3rem;
  transition: transform 0.15s;
  text-align: right;
}

.case-card:hover .case-arrow {
  transform: translateX(3px);
}

/* --- CREDENTIALS --- */
/* 2x2 grid for creds */
.creds.creds-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding-bottom: 4rem;
}

.creds-col {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0 1.5rem 1.5rem;
}

.creds-col:first-child {
  margin-left: 0;
}

.creds-col-head {
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 1.2rem 0 1rem;
  text-align: left;
}

/* Stat grid (Teaching Record) */
.creds-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-bottom: 1.2rem;
}

.creds-stat {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--color-border);
}

.creds-stat:nth-child(odd) {
  border-right: 1px solid var(--color-border);
  padding-right: 1rem;
}

.creds-stat:nth-child(even) {
  padding-left: 1rem;
}

.creds-stat-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 0.2rem;
  text-align: left;
}

.creds-stat-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.3;
  text-align: left;
}

.creds-stat-sub {
  font-family: var(--font-display);
  font-size: 0.65rem;
  color: var(--color-text-faint);
  letter-spacing: 0.03em;
}

.creds-prose {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Tool groups (Tools & Platforms) */
.creds-tool-group {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-border);
}

.creds-tool-label {
  font-family: var(--font-display);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: 0.2rem;
  text-align: left;
}

.creds-tool-row {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Award rows (Recognition) */
.creds-label {
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.4;
}

.creds-award-row {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--color-border);
}

.creds-award-year {
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: var(--color-accent);
  flex-shrink: 0;
  letter-spacing: 0.02em;
  padding-top: 0.1rem;
}

.creds-award-sub {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-faint);
  margin-top: 0.15rem;
  font-style: normal;
}

/* Responsive */
@media (max-width: 720px) {
  .creds.creds-grid {
    grid-template-columns: 1fr;
  }
}


/* --- HUB FOOTER --- */
.hub-foot {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-top: 1px solid var(--color-border);
  padding: 3rem 0 4rem;
  gap: 2rem;
}

.hub-foot-left h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.hub-foot-left p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 0.3rem;
}

.hub-foot-right {
  text-align: right;
}

.hub-foot-right p {
  font-size: 0.88rem;
  margin-bottom: 0.4rem;
}

.hub-foot-right a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.hub-foot-right a:hover {
  color: var(--color-accent);
}

/* --- RESPONSIVE: HUB --- */
@media (max-width: 720px) {
  .mast {
    grid-template-columns: 1fr;
  }

  .mast-status {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
  }

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

  .case-num {
    display: none;
  }

  .case-meta {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--color-border);
    padding-top: 0.8rem;
  }

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

  .creds-right {
    border-left: none;
    padding-left: 0;
  }

  .hub-foot {
    flex-direction: column;
    align-items: stretch;
    text-align: left;
  }

  .hub-foot-right {
    text-align: left;
    margin-top: 1.5rem;
  }
}



/* ========================================
   CASE STUDY — Two-column layout
   ======================================== */

.case-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0 4rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 2rem 6rem;
  align-items: start;
}

/* Sidebar */
.case-sidebar {
  position: sticky;
  top: 5rem;
  border-right: 1px solid var(--color-border);
  padding-right: 2rem;
}

.sidebar-eyebrow {
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 400;
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
  text-align: left;
}

.sidebar-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  text-align: left;
}

.sidebar-meta {
  border-top: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
}

.sidebar-meta-row {
  display: flex;
  flex-direction: column;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-meta-key {
  font-family: var(--font-display);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: 0.1rem;
}

.sidebar-meta-val {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.sidebar-contents-head {
  font-family: var(--font-display);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: 0.5rem;
}

.sidebar-contents-link {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.32rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: color 0.15s;
  line-height: 1.4;
  text-align: left;
  hyphens: none;
}

.sidebar-contents-link:hover {
  color: var(--color-accent);
}

.sidebar-back {
  display: block;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.03em;
  margin-top: 1.5rem;
  transition: color 0.15s;
  text-align: left;
}

.sidebar-back:hover {
  color: var(--color-accent);
}

/* Content column */
.case-content {
  min-width: 0;
}

.case-content .section {
  padding: 0;
  max-width: none;
  margin: 0;
}

.case-content .section>.tags {
  margin-bottom: 2rem;
}

/* Responsive */
@media (max-width: 720px) {
  .case-layout {
    grid-template-columns: 1fr;
    padding: 2rem 1.5rem 4rem;
  }

  .case-sidebar {
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding-right: 0;
    padding-bottom: 2rem;
    margin-bottom: 2rem;
  }
}