/* ================================================================
   NICHOLAS KRIMMEL — PERSONAL SITE
   Academic / Editorial Design System
   ================================================================ */


/* ----------------------------------------------------------------
   1. CUSTOM PROPERTIES
   ---------------------------------------------------------------- */
:root {
  /* Typography */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:    Georgia, 'Times New Roman', serif;
  --font-ui:      'DM Sans', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

  /* Colors */
  --ink:          #1C1814;
  --ink-mid:      #4A4440;
  --ink-light:    #736D69;
  --accent:       #945C0E;
  --accent-pale:  #EEE2C6;
  --bg:           #F5F1E8;
  --bg-warm:      #EDE8DC;
  --bg-white:     #FDFAF6;
  --line:         #D4CEC6;

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1.2rem;
  --space-md:  2.4rem;
  --space-lg:  4.8rem;
  --space-xl:  8rem;
  --space-2xl: 12rem;

  /* Layout */
  --max-width:  1200px;
  --text-width: 740px;
  --nav-height: 68px;

  /* Motion */
  --ease:       200ms ease;
  --ease-slow:  500ms cubic-bezier(0.16, 1, 0.3, 1);
}


/* ----------------------------------------------------------------
   2. RESET & BASE
   ---------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.bg-ink :focus-visible {
  outline-color: var(--bg);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1.6rem;
  z-index: 200;
  padding: 1rem 2rem;
  background: var(--ink);
  color: var(--bg-white);
  font-family: var(--font-ui);
  font-size: 1.4rem;
  border-radius: 0 0 4px 4px;
  transition: top 200ms ease;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 2rem);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-size: 1.8rem;
  line-height: 1.8;
  color: var(--ink);
  background-color: var(--bg);
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

p { margin-bottom: 1.8rem; }
p:last-child { margin-bottom: 0; }

hr {
  border: none;
  border-top: 1px solid var(--line);
}


/* ----------------------------------------------------------------
   3. TYPOGRAPHY
   ---------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  font-weight: 700;
  color: var(--ink);
}

h1 { font-size: clamp(3.6rem, 5.5vw, 5.6rem); }
h2 { font-size: clamp(2.8rem, 4vw,   4.2rem); }
h3 { font-size: clamp(2rem,   3vw,   2.8rem); }
h4 { font-size: 2rem; font-weight: 500; }

.eyebrow {
  display: block;
  font-family: var(--font-ui);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.4rem;
}

.lead {
  font-size: clamp(1.9rem, 2.4vw, 2.3rem);
  line-height: 1.6;
  color: var(--ink-mid);
  font-style: italic;
  font-family: var(--font-display);
}

blockquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2.2rem;
  line-height: 1.55;
  border-left: 2px solid var(--accent);
  padding-left: 2.4rem;
  color: var(--ink-mid);
  margin: 3.2rem 0;
}


/* ----------------------------------------------------------------
   4. LAYOUT UTILITIES
   ---------------------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 2.4rem;
}

.container--narrow {
  max-width: var(--text-width);
  margin-inline: auto;
  padding-inline: 2.4rem;
}

.section {
  padding-block: var(--space-xl);
}

.section--lg {
  padding-block: var(--space-2xl);
}

.section--sm {
  padding-block: var(--space-lg);
}

.bg-parchment { background-color: var(--bg); }
.bg-warm      { background-color: var(--bg-warm); }
.bg-white     { background-color: var(--bg-white); }
.bg-ink       { background-color: var(--ink); color: var(--bg); }


/* ----------------------------------------------------------------
   5. NAVIGATION
   ---------------------------------------------------------------- */
.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-height);
  background-color: var(--bg);
  border-bottom: 1px solid var(--line);
  transition: background-color var(--ease), box-shadow var(--ease);
}

.site-nav.scrolled {
  background-color: rgba(245, 241, 232, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--line);
}

.nav-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 2.4rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
  transition: color var(--ease);
}
.nav-logo:hover { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 3.6rem;
}

.nav-links a {
  font-family: var(--font-ui);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mid);
  position: relative;
  transition: color var(--ease);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--ease);
  transform-origin: left;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-contact {
  font-family: var(--font-ui) !important;
  font-size: 1.25rem !important;
  font-weight: 500 !important;
  color: var(--accent) !important;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--accent);
  padding: 0.7rem 1.8rem;
  border-radius: 2px;
  transition: all var(--ease) !important;
}

.nav-contact::after { display: none !important; }

.nav-contact:hover {
  background-color: var(--accent) !important;
  color: var(--bg-white) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 2.6rem;
  height: 1.8rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  height: 1.5px;
  background-color: var(--ink);
  transition: all var(--ease);
  transform-origin: center;
}

.nav-toggle.is-open span:nth-child(1) { transform: translateY(8.25px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-8.25px) rotate(-45deg); }


/* ----------------------------------------------------------------
   6. HERO (Homepage)
   ---------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  padding-bottom: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.hero__inner {
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  font-family: var(--font-ui);
  font-size: 1.3rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: var(--space-md);
  display: block;
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(5.6rem, 11vw, 11.2rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: var(--space-md);
}

.hero__rule {
  width: 72px;
  height: 2px;
  background-color: var(--accent);
  margin-bottom: var(--space-md);
}

.hero__roles {
  font-family: var(--font-ui);
  font-size: 1.4rem;
  font-weight: 300;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: var(--space-lg);
}

.hero__roles span {
  color: var(--accent);
  margin: 0 0.6rem;
}

.hero__statement {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(2rem, 2.8vw, 2.8rem);
  line-height: 1.55;
  color: var(--ink-mid);
  max-width: 580px;
  margin-bottom: var(--space-lg);
}

.hero__cta {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
}

/* Large decorative initial */
.hero__deco {
  position: absolute;
  right: -0.05em;
  bottom: -0.15em;
  font-family: var(--font-display);
  font-size: clamp(24rem, 38vw, 52rem);
  font-weight: 700;
  line-height: 1;
  color: var(--bg-warm);
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.04em;
  z-index: 0;
}


/* ----------------------------------------------------------------
   7. PAGE HERO (Subpages)
   ---------------------------------------------------------------- */
.page-hero {
  padding-top: calc(var(--nav-height) + var(--space-xl));
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  margin-bottom: var(--space-md);
  line-height: 1.1;
}

.page-hero .lead {
  max-width: 640px;
}


/* ----------------------------------------------------------------
   8. ABOUT (Homepage)
   ---------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-xl);
  align-items: start;
}

.about__content h2 {
  margin-bottom: var(--space-md);
}

.about__links {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}

.about__image {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-md));
}

.about__image img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top center;
}

.about__image-caption {
  display: block;
  font-family: var(--font-ui);
  font-size: 1.25rem;
  color: var(--ink-light);
  margin-top: var(--space-sm);
  letter-spacing: 0.05em;
}


/* ----------------------------------------------------------------
   9. THEME GRID
   ---------------------------------------------------------------- */
.theme-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.theme-card {
  padding: var(--space-lg);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background-color var(--ease);
}

.theme-card:hover {
  background-color: var(--bg-white);
}

.theme-card__number {
  display: block;
  font-family: var(--font-display);
  font-size: 6.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-pale);
  margin-bottom: var(--space-md);
  letter-spacing: -0.03em;
}

.theme-card h3 {
  font-size: 2rem;
  margin-bottom: 1.2rem;
}

.theme-card p {
  font-size: 1.7rem;
  color: var(--ink-mid);
  line-height: 1.7;
  margin-bottom: 0;
}


/* ----------------------------------------------------------------
   10. POSITION / WRITING LIST
   ---------------------------------------------------------------- */
.list-items {
  border-top: 1px solid var(--line);
}

.list-item {
  display: grid;
  grid-template-columns: 9rem 1fr auto;
  gap: 2rem;
  align-items: baseline;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
  transition: background-color var(--ease);
}

.list-item:hover {
  background-color: var(--bg-white);
}

.list-item__tag {
  font-family: var(--font-ui);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
}

.list-item__title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--ink);
  transition: color var(--ease);
}

.list-item:hover .list-item__title {
  color: var(--accent);
}

.list-item__meta {
  font-family: var(--font-ui);
  font-size: 1.3rem;
  color: var(--ink-light);
  white-space: nowrap;
  text-align: right;
}


/* ----------------------------------------------------------------
   11. RESEARCH THEMES (Full)
   ---------------------------------------------------------------- */
.research-theme {
  padding-block: var(--space-lg);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 2.2fr;
  gap: var(--space-xl);
  align-items: start;
}

.research-theme:first-child {
  border-top: 1px solid var(--line);
}

.research-theme__label {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-top: 0.4rem;
}

.research-theme__num {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-pale);
  letter-spacing: -0.03em;
}

.research-theme__name {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
}

.research-theme__body p {
  font-size: 1.8rem;
  line-height: 1.8;
  color: var(--ink-mid);
}

.research-theme__body p:first-child {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2rem;
  color: var(--ink);
  margin-bottom: 2rem;
}


/* ----------------------------------------------------------------
   12. SPEAKING
   ---------------------------------------------------------------- */
.topic-list {
  border-top: 1px solid var(--line);
}

.topic-item {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-lg);
  padding-block: var(--space-lg);
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.topic-item h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.topic-item p {
  font-size: 1.7rem;
  color: var(--ink-mid);
  margin: 0;
}

.topic-item__context {
  font-family: var(--font-ui);
  font-size: 1.4rem;
  color: var(--ink-light);
  line-height: 1.6;
}

.venue-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--line);
  border: 1px solid var(--line);
}

.venue-item {
  background-color: var(--bg-white);
  padding: 2.4rem;
}

.venue-item__type {
  font-family: var(--font-ui);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 0.6rem;
}

.venue-item__name {
  font-size: 1.7rem;
  line-height: 1.4;
  color: var(--ink);
}


/* ----------------------------------------------------------------
   13. MENTORING
   ---------------------------------------------------------------- */
.mentoring-who {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.mentoring-who__item {
  background-color: var(--bg-white);
  border-top: 2px solid var(--accent);
  padding: 2.4rem;
}

.mentoring-who__item h4 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.mentoring-who__item p {
  font-size: 1.6rem;
  color: var(--ink-mid);
  margin: 0;
}

.approach-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-xl);
  align-items: start;
}

.commitment-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.commitment-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  align-items: baseline;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
}

.commitment-item__label {
  font-family: var(--font-ui);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  min-width: 10rem;
}

.commitment-item__value {
  font-size: 1.7rem;
  color: var(--ink-mid);
}


/* ----------------------------------------------------------------
   14. CONTACT
   ---------------------------------------------------------------- */
.contact-method {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  padding-block: var(--space-lg);
  border-bottom: 1px solid var(--line);
}

.contact-method:first-child {
  border-top: 1px solid var(--line);
}

.contact-method__label {
  font-family: var(--font-ui);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-light);
}

.contact-method__value {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  color: var(--ink);
  transition: color var(--ease);
}

.contact-method__value:hover {
  color: var(--accent);
}

.contact-note {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2rem;
  line-height: 1.6;
  color: var(--ink-mid);
  max-width: 520px;
  margin-bottom: var(--space-lg);
}


/* ----------------------------------------------------------------
   15. BUTTONS & LINKS
   ---------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1.4rem 3.2rem;
  border: 1px solid currentColor;
  border-radius: 2px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--ease);
  white-space: nowrap;
}

.btn--ink {
  color: var(--bg-white);
  background-color: var(--ink);
  border-color: var(--ink);
}

.btn--ink:hover {
  background-color: transparent;
  color: var(--ink);
}

.btn--outline {
  color: var(--ink);
  background-color: transparent;
  border-color: var(--ink);
}

.btn--outline:hover {
  background-color: var(--ink);
  color: var(--bg-white);
}

.btn--ghost {
  color: var(--bg);
  background-color: transparent;
  border-color: rgba(253, 250, 246, 0.4);
}

.btn--ghost:hover {
  background-color: var(--bg);
  color: var(--ink);
}

.link-arrow {
  font-family: var(--font-ui);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--ease);
}

.link-arrow:hover { gap: 1.2rem; }


/* ----------------------------------------------------------------
   16. CREDENTIALS
   ---------------------------------------------------------------- */
.credential-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-lg);
  filter: grayscale(100%);
  opacity: 0.55;
}

.credential-logos img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.credential-logos:hover {
  opacity: 0.65;
}


/* ----------------------------------------------------------------
   17. CALLOUT / CTA BANNER
   ---------------------------------------------------------------- */
.cta-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.cta-banner__text h3 {
  font-size: 2.4rem;
  margin-bottom: 0.6rem;
  color: var(--bg-white);
}

.cta-banner__text p {
  font-family: var(--font-ui);
  font-size: 1.5rem;
  color: var(--ink-light);
  margin: 0;
}


/* ----------------------------------------------------------------
   18. FOOTER
   ---------------------------------------------------------------- */
.site-footer {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--line);
  background-color: var(--bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-name {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--ink);
}

.footer-links {
  display: flex;
  gap: 2.4rem;
  flex-wrap: wrap;
  align-items: center;
}

.footer-links a {
  font-family: var(--font-ui);
  font-size: 1.3rem;
  color: var(--ink-light);
  text-decoration: none;
  transition: color var(--ease);
}

.footer-links a:hover { color: var(--ink); }

.footer-copy {
  font-family: var(--font-ui);
  font-size: 1.3rem;
  color: var(--ink-light);
}


/* ----------------------------------------------------------------
   19. REVEAL ANIMATIONS
   ---------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-slow), transform 0.8s var(--ease-slow);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* Hero elements: animate in on load */
.hero__eyebrow,
.hero__name,
.hero__rule,
.hero__roles,
.hero__statement,
.hero__cta {
  animation: fadeUp 0.9s var(--ease-slow) both;
}

.hero__eyebrow  { animation-delay: 0.1s; }
.hero__name     { animation-delay: 0.2s; }
.hero__rule     { animation-delay: 0.4s; }
.hero__roles    { animation-delay: 0.5s; }
.hero__statement{ animation-delay: 0.6s; }
.hero__cta      { animation-delay: 0.75s; }

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}


/* ----------------------------------------------------------------
   20. RESPONSIVE
   ---------------------------------------------------------------- */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about__image {
    position: static;
    max-width: 380px;
  }

  .research-theme {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

@media (max-width: 768px) {
  html { font-size: 56.25%; }

  .section      { padding-block: var(--space-lg); }
  .section--lg  { padding-block: var(--space-xl); }
  .section--sm  { padding-block: var(--space-md); }

  /* Mobile nav */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    inset: var(--nav-height) 0 auto;
    background-color: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-md) 2.4rem;
    gap: 2.4rem;
    visibility: hidden;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--ease-slow), opacity var(--ease-slow), visibility 0s 0.5s;
  }

  .nav-links.is-open {
    visibility: visible;
    transform: none;
    opacity: 1;
    pointer-events: all;
    transition: transform var(--ease-slow), opacity var(--ease-slow), visibility 0s;
  }

  .hero__name {
    font-size: clamp(5.2rem, 16vw, 8rem);
  }

  .hero__deco {
    font-size: clamp(18rem, 50vw, 32rem);
    bottom: -0.05em;
  }

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

  .theme-card {
    border-right: none;
  }

  .list-item {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .list-item__meta {
    text-align: left;
  }

  .topic-item {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

  .mentoring-who {
    grid-template-columns: 1fr;
  }

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

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .page-hero {
    padding-top: calc(var(--nav-height) + var(--space-lg));
  }

  .page-hero h1 br { display: none; }

  .research-theme__num { font-size: 3.6rem; }
  .theme-card__number  { font-size: 4.8rem; }
}


/* ----------------------------------------------------------------
   21. ABOUT PAGE
   ---------------------------------------------------------------- */
.logo-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-lg);
  padding-top: var(--space-md);
}

.logo-strip img {
  height: 40px;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.5;
  transition: opacity var(--ease);
}

.logo-strip img:hover {
  opacity: 0.8;
}

.career-item {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 2rem;
  align-items: baseline;
  padding: 2.4rem 0;
  border-bottom: 1px solid var(--line);
}

.career-item:first-child {
  border-top: 1px solid var(--line);
}

.career-item__period {
  font-family: var(--font-ui);
  font-size: 1.3rem;
  color: var(--ink-light);
  white-space: nowrap;
}

.career-item__role {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.career-item__org {
  font-family: var(--font-ui);
  font-size: 1.4rem;
  color: var(--ink-light);
}