/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-light: #555;
  --color-accent: #2a2a2a;
  --color-footer-bg: #1a1a1a;
  --color-footer-text: #ccc;

  /* EPSP hump palette */
  --color-yellow: #EAB830;
  --color-green: #6BB578;
  --color-pink: #C75B9B;
  --color-green-light: #e8f5eb;
  --color-yellow-light: #fdf6e3;
  --color-pink-light: #fceef6;

  --font-body: 'PT Serif', Georgia, serif;
  --font-heading: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-meta: 'Poppins', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1100px;
  --nav-height: 64px;
  --base-font-size: 16px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: var(--base-font-size);
}

a {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid #ccc;
  transition: border-color 0.2s, color 0.2s;
}

a:hover {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}

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

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: #ffffff;
  z-index: 1000;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.nav-humps {
  height: 42px;
  width: auto;
  margin-left: 12px;
  flex-shrink: 1;
  min-width: 0;
  transform: translateY(2.5px);
}

.nav-logo {
  display: flex;
  align-items: baseline;
  white-space: nowrap;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  border: none;
  color: var(--color-text);
}

.nav-logo:hover {
  border: none;
  color: var(--color-green);
}

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

.nav-links a {
  font-family: var(--font-meta);
  font-size: 0.85rem;
  border: none;
  color: var(--color-text-light);
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-green);
  transition: width 0.25s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

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

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}

/* ===== EPSP Humps (decorative SVG) ===== */
.epsp-divider {
  width: 100%;
  display: block;
  line-height: 0;
  margin: 0;
  padding: 0;
}

.epsp-divider svg {
  width: 100%;
  height: auto;
  display: block;
}

.epsp-divider-flip {
  transform: scaleY(-1);
}

/* ===== Home Hero ===== */
.home-hero {
  margin-top: var(--nav-height);
  background: #fff;
  position: relative;
  overflow: hidden;
}

.home-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 2rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  position: relative;
  z-index: 2;
}

.home-hero-left {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.home-hero-left h1 {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin-top: 1.5rem;
  margin-bottom: 0.3rem;
  line-height: 1.08;
  text-align: center;
}

.home-hero-headshot {
  width: 100%;
  max-width: 380px;
  object-fit: cover;
  box-shadow: 0 6px 24px rgba(0,0,0,0.12);
}

.home-hero-right {
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.home-hero-book-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.home-hero-book-group > a:first-child {
  border: none;
}

.home-hero-book-img {
  max-width: 280px;
}

.home-tagline {
  font-size: 1.1rem;
  color: var(--color-text-light);
  font-style: italic;
  text-align: center;
}

.home-hero-quote {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-style: italic;
  color: var(--color-text-light);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 0.8rem;
}

.home-hero-quote cite {
  display: block;
  font-style: normal;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  font-family: var(--font-meta);
}

.home-hero-right .purchase-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 2;
  margin-bottom: 1.5rem;
}

.home-hero-right .purchase-links a {
  padding: 0;
  border: none;
  border-bottom: 1px solid #ccc;
  text-transform: none;
  font-size: 0.95rem;
  letter-spacing: normal;
}

.home-hero-right .purchase-links a:hover {
  background: transparent;
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}


/* ===== Page Header (non-home pages) ===== */
.page-header {
  margin-top: var(--nav-height);
  padding: 3.5rem 2rem 1.5rem;
  text-align: center;
  position: relative;
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

/* Colored underline accent beneath page titles */
.page-header h1::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-yellow), var(--color-green), var(--color-pink));
  margin: 0.8rem auto 0;
  border-radius: 2px;
}

.page-header-left h1::after {
  margin: 0.8rem 0 0;
}

/* ===== Main Content ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 2rem 2rem;
}

/* ===== Home Sections ===== */
.home-section {
  padding: 3rem 0;
}

/* Book section on homepage - book-focused */
.home-book-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.home-book-left img {
  width: 100%;
  max-width: 400px;
}

.home-book-right h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 1rem;
  line-height: 1.3;
  text-align: center;
}

.home-book-right .purchase-links {
  text-align: center;
  display: block;
  margin: 1rem 0;
  line-height: 2;
}

.home-book-right .purchase-links a {
  padding: 0;
  border: none;
  border-bottom: 1px solid #ccc;
  text-transform: none;
  font-size: 0.95rem;
  letter-spacing: normal;
}

.home-book-right .purchase-links a:hover {
  background: transparent;
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}

.home-book-right blockquote {
  font-style: italic;
  color: var(--color-text-light);
  margin: 1.5rem 0;
  padding-left: 1.2rem;
  border-left: 3px solid var(--color-green);
  line-height: 1.6;
}

.home-book-right blockquote cite {
  display: block;
  font-style: normal;
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.75rem 2rem;
  border: 1.5px solid var(--color-text);
  color: var(--color-text);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn:hover {
  background: var(--color-text);
  color: #fff;
  border-bottom: 1.5px solid var(--color-text);
}

.btn-color {
  border-color: var(--color-green);
  color: var(--color-green);
}

.btn-color:hover {
  background: var(--color-green);
  color: #fff;
  border-color: var(--color-green);
  border-bottom-color: var(--color-green);
}

/* Home videos */
.home-videos .video-grid {
  max-width: 800px;
  margin: 0 auto;
}

.molecular-philosophy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.mol-phil-video {
  width: 260px;
  margin: 0 auto;
}

.shorts-embed {
  width: 100%;
  aspect-ratio: 9 / 16;
  border-radius: 12px;
}

.mol-phil-label {
  font-family: var(--font-meta);
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 0.3rem;
}

.molecular-philosophy h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.mol-phil-left p {
  color: var(--color-text-light);
  font-size: 1.05rem;
}

.mol-phil-text {
  text-align: left;
}

/* ===== About Page ===== */
.about-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2.5rem;
  align-items: start;
  padding: 1rem 0 3rem;
}

.about-photo img {
  width: 100%;
}

.about-text p {
  margin-bottom: 1.2rem;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
  justify-content: center;
}

/* ===== Book Page ===== */
.book-editions-row {
  display: flex;
  gap: 3rem;
  justify-content: center;
  padding: 1rem 0 2rem;
}

.book-edition {
  text-align: center;
}

.book-publisher {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 1rem;
  margin-bottom: 0.8rem;
  color: var(--color-text-light);
}

.book-publisher a {
  border-bottom: 1px solid #ccc;
}

.book-publisher a:hover {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}

.book-edition img {
  width: 220px;
  max-width: 220px;
  display: inline-block;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.book-edition img:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.18);
}

.book-sellers {
  margin-top: 0.8rem;
  font-family: var(--font-meta);
  font-size: 0.85rem;
}

.book-sellers a {
  border-bottom: 1px solid #ccc;
}

.book-sellers a:hover {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}

/* Book blurb */
.book-blurb {
  text-align: center;
  max-width: 700px;
  margin: 2rem auto 2.5rem;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.35rem;
  line-height: 1.7;
  color: var(--color-text);
  font-weight: 500;
}

/* Featured reviews — big, glowing */
.book-featured-reviews {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.book-review-featured {
  text-align: center;
  max-width: 750px;
  margin: 0 auto;
  padding: 2rem 2.5rem;
  background: linear-gradient(135deg, var(--color-yellow-light), var(--color-green-light));
  border-radius: 12px;
}

.book-review-featured p {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 1.2rem;
  line-height: 1.7;
  margin-bottom: 0.8rem;
}

.book-review-featured cite {
  display: block;
  font-style: normal;
  font-family: var(--font-meta);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.book-review-featured cite a {
  border-bottom: 1px solid currentColor;
}

/* Remaining reviews — flowing */
.book-reviews-flow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.book-review {
  padding: 1.5rem;
  border-radius: 8px;
  background: #fafafa;
}

.book-review p {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: 0.8rem;
}

.book-review cite {
  display: block;
  font-style: normal;
  font-family: var(--font-meta);
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.purchase-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.purchase-links a {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.5rem 1.2rem;
  border: 1px solid #ccc;
  transition: all 0.2s;
}

.purchase-links a:hover {
  border-color: var(--color-green);
  background: var(--color-green);
  color: #fff;
}

.russian-edition {
  padding: 3rem 0;
  text-align: center;
}

.russian-edition-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.5rem;
}

.russian-edition-subtitle {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 400;
  margin: 1.5rem 0 0.5rem;
}

.russian-edition-info {
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.russian-edition-links {
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.russian-edition-links a {
  border-bottom: 1px solid #ccc;
}

.russian-edition-links a:hover {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}

.russian-edition-awards {
  margin-bottom: 2rem;
}

/* ===== Writing Page ===== */
.writing-feature {
  padding-bottom: 2.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid #eee;
  line-height: 1.75;
}

.writing-feature p {
  margin-bottom: 1rem;
}

.writing-feature-img {
  float: left;
  width: 420px;
  margin: 0 2rem 0.5rem 0;
}

.writing-feature-pub {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.writing-feature-title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.writing-feature-sub {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 0.8rem;
}

.writing-feature-blurb {
  font-weight: 600;
  margin-bottom: 1rem;
}

.writing-feature-readmore {
  font-style: italic;
  clear: left;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 1rem 0 3rem;
}

.article-card {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: transform 0.2s ease;
}

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

.article-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.article-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.2rem;
  line-height: 1.3;
}

.article-card h3 a {
  border: none;
}

.article-card h3 a:hover {
  border-bottom: 1px solid var(--color-green);
  color: var(--color-green);
}

.article-meta {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 0.2rem;
  font-family: var(--font-meta);
}

.article-card p {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* ===== Substack Embeds ===== */
.substack-section {
  padding: 2rem 0;
}

.substack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.substack-embed {
  padding: 0.5rem 0;
}

/* ===== Research Page ===== */
.research-intro {
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.research-intro p {
  color: var(--color-text-light);
  max-width: 800px;
}

.publication {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 1.5rem 0;
}

.publication img {
  width: 100%;
}

.publication h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
  line-height: 1.3;
}

.publication h3 a:hover {
  color: var(--color-green);
}

.pub-journal {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
  font-style: italic;
}

.pub-finding {
  font-size: 0.95rem;
  color: var(--color-text-light);
}

.pubmed-link {
  text-align: center;
  padding: 2rem 0;
}

/* ===== Media Page ===== */
.media-pinned-mobile {
  display: none;
  margin-bottom: 2rem;
}

.media-pinned-mobile img {
  width: 100%;
  margin-bottom: 0.5rem;
}

.media-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.media-col-left .media-entry {
  margin-bottom: 2rem;
}

.media-col-left .media-entry:first-child {
  padding-top: 0;
}

.media-col-left .media-entry:first-child .video-embed {
  margin-top: 0;
}

.media-col-right .media-pinned {
  margin-bottom: 1rem;
}

.media-col-right .media-pinned > a {
  display: block;
  border: none;
}

.media-col-right .media-pinned img {
  width: 100%;
  margin-bottom: 0.5rem;
}

.media-link-item {
  padding: 0.6rem 0;
}

.media-link-item a {
  font-weight: 600;
  border-bottom: 1px solid var(--color-text);
}

.media-link-item a:hover {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}

.media-link-item .media-link-meta {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.media-audio-section {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.media-section {
  padding: 2rem 0;
}

.media-section h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.5rem;
}

.media-outlet {
  font-weight: 600;
}

.media-date {
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-family: var(--font-meta);
}

.media-title {
  font-style: italic;
}

/* ===== Contact Page ===== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: 2.5rem;
  align-items: start;
  padding: 1rem 0 3rem;
}

.contact-info h2 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 1rem;
  margin-top: 2rem;
}

.contact-info h2:first-child {
  margin-top: 0;
}

.contact-info p {
  margin-bottom: 0.5rem;
}

.contact-info ul {
  list-style: none;
}

.contact-info ul li {
  padding: 0.3rem 0;
}

.contact-photo img {
  width: 100%;
}

/* ===== Video & Audio Embeds ===== */
.video-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 4px;
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.media-entry {
  padding: 1rem 0;
}

.media-entry p {
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.media-entry p strong {
  font-weight: 600;
  color: var(--color-text);
}

.media-entry .video-embed {
  margin-top: 0.5rem;
}

.audio-embed {
  margin-top: 0.5rem;
}

/* ===== Footer ===== */
.footer-fade {
  width: 100%;
  display: block;
  line-height: 0;
  margin-bottom: -1px;
}

.footer-fade svg {
  width: 100%;
  height: auto;
  display: block;
}

.footer {
  background: linear-gradient(135deg, var(--color-yellow-light), var(--color-green-light));
  color: var(--color-text);
  padding: 2.5rem 2rem 2rem;
  text-align: center;
  position: relative;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.2rem;
}

.footer-social a {
  color: var(--color-text-light);
  border: none;
  font-family: var(--font-heading);
  font-weight: 300;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}

.footer-social a:hover {
  color: var(--color-green);
}

.footer-copy {
  font-family: var(--font-meta);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0.4;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1rem 2rem 1.5rem;
    gap: 0.8rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-humps {
    height: 30px;
    margin-left: 6px;
  }

  .home-hero-inner {
    grid-template-columns: 1fr;
    padding: 2.5rem 2rem 1rem;
    text-align: center;
  }

  .home-hero-left {
    order: 0;
  }

  .home-hero-headshot {
    max-width: 280px;
    margin: 0 auto;
  }

  .home-hero-right {
    order: 1;
  }

  .home-hero-left h1 {
    font-size: 2.2rem;
  }

  .nav-humps {
    height: 30px;
    margin-left: 8px;
  }

  .home-hero-quote {
    text-align: left;
  }

  .home-hero-right {
    align-items: center;
  }

  .home-hero-book-img {
    max-width: 200px;
  }

  .home-book-section,
  .molecular-philosophy,
  .media-two-col {
    grid-template-columns: 1fr;
  }

  .media-pinned-mobile {
    display: block;
  }

  .media-pinned-desktop {
    display: none;
  }

  .home-book-left img {
    max-width: 300px;
    margin: 0 auto;
  }

  .mol-phil-video {
    width: 100%;
    max-width: 260px;
    margin: 0 auto;
  }

  .shorts-embed {
    width: 100%;
  }

  .mol-phil-text {
    text-align: center;
  }

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

  .writing-feature-img {
    float: none;
    width: 100%;
    max-width: 300px;
    margin: 0 auto 1rem;
    display: block;
  }

  .book-blurb {
    font-size: 1.1rem;
  }

  .russian-edition-subtitle {
    font-size: 1rem;
  }

  .book-editions-row {
    flex-direction: column;
    align-items: center;
  }

  .book-edition img {
    width: 200px;
  }

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

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

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

  .about-photo img {
    max-width: 280px;
    margin: 0 auto;
  }

  .book-review-featured {
    padding: 1.5rem;
  }

  .book-review-featured p {
    font-size: 1.05rem;
  }

  .contact-photo {
    order: -1;
  }

  .contact-photo img {
    max-width: 300px;
    margin: 0 auto;
  }

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

  .publication img {
    max-width: 300px;
  }

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

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

  .page-header h1 {
    font-size: 1.8rem;
  }

  .page-header-left h1::after {
    margin: 0.8rem auto 0;
  }
}