@font-face {
  font-family: 'Cormorant Garamond';
  src: url('../fonts/CormorantGaramond-Regular-400.woff2') format('woff2');
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'Cormorant Garamond';
  src: url('../fonts/CormorantGaramond-Italic-400.woff2') format('woff2');
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'IBM Plex Sans';
  src: url('../fonts/IBMPlexSans-Regular-400.woff2') format('woff2');
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'IBM Plex Sans';
  src: url('../fonts/IBMPlexSans-Regular-500.woff2') format('woff2');
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: 'IBM Plex Sans';
  src: url('../fonts/IBMPlexSans-Regular-600.woff2') format('woff2');
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

:root {
  /* Color Palette — Cold Antarctic Blues */
  --color-ice: #e8f1f5;
  --color-frost: #c9dde8;
  --color-glacier: #7ba3be;
  --color-ocean: #4a7c9e;
  --color-deep: #2c5169;
  --color-abyss: #1a3347;
  
  /* Neutrals — Warm paper tones */
  --color-paper: #fdfcfa;
  --color-parchment: #f5f3ef;
  --color-stone: #e8e4dc;
  
  /* Text */
  --color-ink: #1a2a36;
  --color-text: #3d4f5c;
  --color-caption: #6b7d8a;
  --color-muted: #94a3ad;
  
  /* Accents & Borders */
  --color-accent: #7ba3be;
  --color-accent-dark: #4a7c9e;
  --color-border: #d4dce2;
  --color-border-light: #e8edf0;
  
  /* Functional */
  --color-success: #5a8f7a;
  --color-error: #a65d5d;
  
  /* Typography */
  --font-display: 'Cormorant Garamond', 'Garamond', serif;
  --font-body: 'IBM Plex Sans', 'Helvetica Neue', sans-serif;
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1.0625rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.75rem;
  --text-4xl: 3.75rem;
  --text-hero: clamp(3rem, 8vw, 6rem);
  
  --leading-none: 1;
  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-normal: 1.65;
  --leading-relaxed: 1.8;
  
  --weight-light: 300;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  
  --tracking-tight: -0.02em;
  --tracking-wide: 0.05em;
  --tracking-wider: 0.1em;
  --tracking-widest: 0.2em;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 5rem;
  --space-16: 7rem;
  --space-20: 9rem;
  
  --container-max: 1280px;
  --container-narrow: 900px;
  --container-prose: 720px;
  --container-padding: clamp(1.5rem, 5vw, 4rem);
  
  /* Animation */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --duration-fast: 200ms;
  --duration-normal: 400ms;
  --duration-slow: 700ms;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(26, 51, 71, 0.04);
  --shadow-md: 0 4px 12px rgba(26, 51, 71, 0.06);
  --shadow-lg: 0 12px 32px rgba(26, 51, 71, 0.08);
  --shadow-xl: 0 24px 48px rgba(26, 51, 71, 0.12);
  
  /* Border Radius */
  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 12px;
  --radius-media: var(--radius-sm);
  --radius-surface: var(--radius-md);
  
  /* Z-Index */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  
  /* Grain texture */
  --grain: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open,
body.gallery-open {
  overflow: hidden;
}

body.menu-open .nav {
  transform: none;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--grain);
  opacity: 0.03;
  pointer-events: none;
  z-index: 9999;
}

::selection { background-color: var(--color-glacier); color: white; }
img { max-width: 100%; height: auto; display: block; }

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-normal);
  line-height: var(--leading-tight);
  color: var(--color-ink);
  letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p { margin-bottom: var(--space-5); color: var(--color-text); }

a {
  color: var(--color-ocean);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out-quart);
}
a:hover { color: var(--color-deep); }

.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-glacier);
  margin-bottom: var(--space-3);
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

section { padding: var(--space-16) 0; position: relative; }

/* Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-out-expo), transform var(--duration-slow) var(--ease-out-expo);
}
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* Navigation */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-sticky);
  padding: var(--space-5) 0;
  transition: transform var(--duration-normal) var(--ease-out-quart), padding var(--duration-normal) var(--ease-out-quart), box-shadow var(--duration-normal) var(--ease-out-quart);
}

.nav::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(253, 252, 250, 0.74);
  backdrop-filter: blur(14px);
  opacity: 0;
  transition: opacity var(--duration-normal), background var(--duration-normal);
}

.nav.scrolled::before { opacity: 1; }
.nav.scrolled { padding: var(--space-4) 0; box-shadow: 0 1px 0 rgba(26, 51, 71, 0.08); }

.nav--hidden {
  transform: translateY(calc(-100% - 0.5rem));
}

.nav--solid::before {
  opacity: 1;
  background: rgba(255, 255, 255, 0.88);
}
.nav--solid {
  padding: var(--space-4) 0;
  box-shadow: 0 1px 0 var(--color-border-light);
}

.nav__inner {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.nav__menu {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  list-style: none;
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: var(--space-2) 0;
  position: relative;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}
.nav.scrolled .nav__link,
.nav--solid .nav__link {
  color: var(--color-text);
  text-shadow: none;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--color-ocean);
  transition: width var(--duration-normal) var(--ease-out-expo);
}

.nav__link:hover::after,
.nav__link.active::after,
.nav__link[aria-current='page']::after { width: 100%; }
.nav__link:hover,
.nav__link.active,
.nav__link[aria-current='page'] { color: white; }
.nav.scrolled .nav__link:hover,
.nav.scrolled .nav__link.active,
.nav.scrolled .nav__link[aria-current='page'],
.nav--solid .nav__link:hover,
.nav--solid .nav__link.active,
.nav--solid .nav__link[aria-current='page'] { color: var(--color-ocean); }

.nav__toggle {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 10;
}
.nav__toggle span {
  width: 24px; height: 1.5px;
  background: var(--color-ink);
  transition: transform var(--duration-fast), opacity var(--duration-fast), background var(--duration-fast);
}

.nav__toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.nav__toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-abyss);
}

.hero__bg { position: absolute; inset: 0; z-index: 1; }

.hero__image {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 1;
  filter: none;
}

.hero__content {
  position: relative; z-index: 4;
  text-align: center;
  padding: var(--space-8);
  max-width: 900px;
  transform: translateY(-16vh);
}

.hero__title {
  font-size: var(--text-hero);
  color: white;
  margin-bottom: var(--space-4);
  opacity: 0;
  animation: fadeUp 1s var(--ease-out-expo) 0.2s forwards;
  text-shadow: 0 2px 40px rgba(0,0,0,0.3);
}

.hero__subtitle {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-light);
  font-style: italic;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-8);
  opacity: 0;
  animation: fadeUp 1s var(--ease-out-expo) 0.4s forwards;
}

/* About */
.about { background: var(--color-paper); }

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-12);
  align-items: start;
}

.about__image-wrapper { position: relative; }

.about__image {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  filter: grayscale(1) contrast(1.02);
  border-radius: var(--radius-media);
  box-shadow:
    0 4px 6px rgba(26, 42, 54, 0.08),
    0 16px 32px rgba(26, 42, 54, 0.12);
}

.about__content { padding-top: 0; }
.about__title { margin-bottom: var(--space-6); }

.about__text p { font-size: var(--text-base); line-height: var(--leading-relaxed); }
.about__text p:last-child { margin-bottom: 0; }

/* Research */
.research { background: var(--color-parchment); position: relative; }
.research::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--grain);
  opacity: 0.02;
  pointer-events: none;
}

.research__header { max-width: var(--container-narrow); margin-bottom: var(--space-10); }

.research__projects {
  display: grid;
  gap: var(--space-8);
}

.research__news {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

.research__news-title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-caption);
  margin: 0 0 var(--space-4);
}

.research__news-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.research__news-list li {
  margin-bottom: var(--space-2);
}

.research__news-list a {
  font-size: var(--text-sm);
  color: var(--color-ocean);
}

.research__news-list a:hover {
  color: var(--color-deep);
}

.project-card {
  background: var(--color-paper);
  border: 1px solid var(--color-stone);
  border-radius: var(--radius-surface);
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-out-quart), box-shadow var(--duration-normal) var(--ease-out-quart);
}

.project-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.project-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out-quart);
}

.project-card:hover .project-image img {
  transform: scale(1.02);
}

.project-content {
  padding: var(--space-8);
}

.project-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  color: var(--color-ink);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}

.project-description {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-ice);
  color: var(--color-ocean);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-sm);
}

/* Book */
.book-section { background: transparent; }

.book {
  position: relative;
}


.book__info {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(240px, 350px) minmax(0, 1fr);
  grid-template-areas:
    'cover lead'
    'cover quotes'
    'cover purchase'
    'cover secondary';
  column-gap: var(--space-12);
  row-gap: var(--space-6);
  align-items: center;
}

.book__lead {
  grid-area: lead;
}

.book__title {
  margin-bottom: var(--space-6);
}

.book__secondary {
  grid-area: secondary;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: 0;
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border-light);
}

.book__secondary-cover {
  display: block;
  flex: 0 0 4.5rem;
}

.book__secondary-cover img {
  display: block;
  width: 4.5rem;
  height: 6.5rem;
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.book__secondary .book__blurb-extra {
  padding-top: 0;
  margin: 0;
}

.book__cover {
  grid-area: cover;
  position: relative;
  max-width: 350px;
  width: 100%;
  justify-self: center;
  align-self: center;
}

.book__cover img {
  width: 100%;
  position: relative;
  z-index: 1;
  border-radius: var(--radius-media);
  box-shadow:
    0 4px 6px rgba(26, 42, 54, 0.1),
    0 20px 40px rgba(26, 42, 54, 0.15),
    0 40px 80px rgba(26, 42, 54, 0.1);
}

.book__cover::after {
  content: '';
  position: absolute;
  bottom: -20px; left: 10%; right: 10%;
  height: 40px;
  background: radial-gradient(ellipse, rgba(26,51,71,0.12), transparent);
  filter: blur(10px);
  z-index: -1;
}

.book__blurb p {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.book__blurb p:last-of-type {
  margin-bottom: 0;
}

.book__blurb-extra {
  font-size: var(--text-sm);
  color: var(--color-caption);
  padding-top: var(--space-3);
  margin-bottom: 0;
}

.book__blurb-extra a {
  color: var(--color-ocean);
}

.book__blurb-extra a:hover {
  color: var(--color-deep);
}

.book__order-text {
  max-width: 46rem;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  line-height: 1.5;
  color: var(--color-caption);
  margin: 0 0 var(--space-4);
  text-align: left;
}

.book__purchase {
  grid-area: purchase;
  margin-bottom: 0;
  padding: var(--space-5) 0 0;
}

.book__purchase .retailers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: var(--space-5);
  row-gap: var(--space-4);
  align-items: center;
  justify-items: center;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
}

.book__purchase .retailer-svg {
  margin: 0;
  width: 100%;
}

.book__purchase .retailer-svg a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
  padding: 0;
  margin: 0;
  background: transparent;
  border: 0;
  color: inherit;
}

.book__purchase .retailer-svg svg,
.book__purchase .retailer-svg img {
  display: block;
  width: auto;
  max-width: 96px;
  height: 32px;
  object-fit: contain;
}

.book__purchase .retailer-svg svg.logo--wide,
.book__purchase .retailer-svg img.logo--wide {
  max-width: 132px;
  height: 34px;
}

.book__purchase .retailer-svg img.logo--invert {
  filter: brightness(0) saturate(100%);
}

.book__quotes {
  grid-area: quotes;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--space-6) 0;
}

.book__quotes-progress { width: min(12rem, 60%); height: 2px; margin: var(--space-3) auto 0; background: var(--color-border-light); overflow: hidden; }
.book__quotes-progress span { display: block; width: 100%; height: 100%; background: var(--color-glacier); transform: scaleX(0); transform-origin: left; }
@keyframes quoteProgress { to { transform: scaleX(1); } }
.book__quotes-progress.is-running span { animation: quoteProgress 4s linear forwards; }
.book__quotes-progress.is-paused span { animation-play-state: paused; }

.book__quotes-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-glacier);
  margin: 0 0 var(--space-5);
}

.book__quotes-stage { display: block; }

.book__quotes-controls { display: flex; align-items: center; justify-content: center; gap: var(--space-4); margin-top: var(--space-5); }

.book__quotes-button {
  appearance: none;
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-light);
  background: rgba(255,255,255,0.6);
  color: var(--color-caption);
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-quart);
  padding: 0;
  flex-shrink: 0;
}

.book__quotes-button svg {
  width: 18px;
  height: 18px;
}

.book__quotes-button:hover {
  background: var(--color-paper);
  border-color: var(--color-glacier);
  color: var(--color-deep);
  box-shadow: var(--shadow-sm);
}

.book__quotes-slider {
  display: grid;
  min-width: 0;
}

.book-quote {
  grid-area: 1 / 1;
  margin: 0;
  padding: var(--space-2) 0 var(--space-2) var(--space-5);
  border-left: 3px solid var(--color-glacier);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--duration-normal) var(--ease-out-quart), transform var(--duration-normal) var(--ease-out-quart), visibility 0s linear var(--duration-normal);
}

.book-quote.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity var(--duration-normal) var(--ease-out-quart), transform var(--duration-normal) var(--ease-out-quart), visibility 0s linear 0s;
}

.book-quote blockquote {
  margin: 0 0 var(--space-3);
}

.book-quote blockquote p {
  position: relative;
  margin: 0;
  padding-left: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-text);
}

.book-quote blockquote p::before {
  content: '“';
  position: absolute;
  left: 0;
  top: -0.1em;
  font-size: 1.2rem;
  line-height: 1;
  color: var(--color-glacier);
}

.book-quote figcaption {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-ink);
  padding-left: var(--space-4);
}

.book-quote figcaption span {
  display: block;
  margin-top: 2px;
  font-weight: var(--weight-normal);
  color: var(--color-caption);
}

/* Publications */
.publications-section {
  padding: var(--space-12) 0;
  background: var(--color-parchment);
  position: relative;
}

.publications-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grain);
  opacity: 0.02;
  pointer-events: none;
}

.publications__header {
  margin-bottom: var(--space-8);
}

.publications__intro {
  font-size: var(--text-base);
  color: var(--color-caption);
  margin: 0;
}

.publications__list {
  display: grid;
  gap: var(--space-4);
  max-width: 100%;
  margin: 0;
}

.publication-item {
  position: relative;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.publication-item:hover {
  border-color: var(--color-border);
}

.publication-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.publication-item__pill {
  display: inline-flex;
  align-items: center;
  padding: 0;
  background: transparent;
  color: var(--color-caption);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  border-radius: 0;
}

.publication-item__title {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: var(--weight-normal);
  letter-spacing: 0;
  margin-bottom: var(--space-3);
  line-height: 1.55;
}

.publication-item__title a {
  color: var(--color-ink);
}

.publication-item__title a:hover {
  color: var(--color-deep);
}

.publication-item__authors,
.publication-item__source {
  margin-bottom: 0;
  color: var(--color-caption);
}

.publication-item__authors {
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
  line-height: 1.55;
}

.publication-item__source {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
}

.publications__footer {
  display: flex;
  justify-content: center;
  margin-top: var(--space-8);
}

.publications__more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: transparent;
  color: var(--color-ocean);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out-quart), transform var(--duration-fast) var(--ease-out-quart);
}

.publications__more:hover {
  background: transparent;
  color: var(--color-deep);
  transform: translateY(-1px);
  box-shadow: none;
}

/* Gallery */
.gallery { background: var(--color-paper); }
.gallery__header { margin-bottom: var(--space-10); }

.gallery__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

/* Gallery categories */
.gallery-categories {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.gallery-category {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius-surface);
  appearance: none;
  border: none;
  padding: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.gallery-category img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out-expo), filter var(--duration-normal) var(--ease-out-quart);
  filter: saturate(0.92);
}

.gallery-category:hover img,
.gallery-category:focus-visible img {
  transform: scale(1.04);
  filter: saturate(1);
}

.gallery-category__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 20, 28, 0.12) 10%, rgba(10, 20, 28, 0.82) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  padding: var(--space-6);
  color: white;
}

.gallery-category__meta,
.gallery-category__cta {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
}

.gallery-category__meta {
  color: rgba(255,255,255,0.78);
  margin-bottom: var(--space-3);
}

.gallery-category__cta {
  margin-top: var(--space-4);
  color: rgba(255,255,255,0.92);
}

.gallery-category h3 {
  color: white;
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.gallery-category:focus-visible {
  outline: 2px solid rgba(123, 163, 190, 0.9);
  outline-offset: 4px;
}

.gallery-lightbox {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(1040px, calc(100vw - 2rem));
  max-width: calc(100vw - 2rem);
  max-height: calc(100dvh - 2rem);
  padding: 0;
  border: none;
  background: transparent;
  color: var(--color-ink);
  overflow: hidden;
}

.gallery-lightbox::backdrop {
  background: rgba(12, 22, 30, 0.72);
  backdrop-filter: blur(10px);
}

@media (max-width: 768px) {
  .gallery-lightbox::backdrop {
    background: transparent;
    backdrop-filter: none;
  }
}

.gallery-lightbox__shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: var(--space-4);
  max-height: calc(100dvh - 2rem);
  background: rgba(253, 252, 250, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: var(--radius-surface);
  box-shadow: var(--shadow-xl);
  padding: var(--space-5);
  overflow: hidden;
}

.gallery-lightbox__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-5);
}

.gallery-lightbox__heading {
  max-width: 36rem;
}

.gallery-lightbox__eyebrow {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-glacier);
}

.gallery-lightbox__title {
  margin-bottom: var(--space-2);
}

.gallery-lightbox__count {
  margin: 0;
  color: var(--color-caption);
}

.gallery-lightbox__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.gallery-lightbox__count {
  font-size: var(--text-sm);
  white-space: nowrap;
}

.gallery-lightbox__close,
.gallery-lightbox__nav {
  appearance: none;
  border: 1px solid rgba(212, 220, 226, 0.95);
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out-quart), background var(--duration-fast) var(--ease-out-quart), border-color var(--duration-fast) var(--ease-out-quart);
}

.gallery-lightbox__close {
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
}

.gallery-lightbox__close svg,
.gallery-lightbox__nav svg {
  width: 18px;
  height: 18px;
}

.gallery-lightbox__close:hover,
.gallery-lightbox__close:focus-visible,
.gallery-lightbox__nav:hover,
.gallery-lightbox__nav:focus-visible {
  background: white;
  border-color: var(--color-border);
  transform: translateY(-1px);
}

.gallery-lightbox__nav:disabled {
  opacity: 0.34;
  cursor: default;
  transform: none;
}

.gallery-lightbox__viewport {
  position: relative;
  min-height: 0;
}

.gallery-lightbox__track {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  overscroll-behavior-inline: contain;
  touch-action: pan-x pinch-zoom;
  border-radius: var(--radius-surface);
}

.gallery-lightbox__track::-webkit-scrollbar {
  display: none;
}

.gallery-lightbox__slide {
  flex: 0 0 100%;
  min-width: 100%;
  scroll-snap-align: center;
}

.gallery-lightbox__figure {
  margin: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  height: 100%;
}

.gallery-lightbox__image-frame {
  position: relative;
  height: min(54dvh, 34rem);
  overflow: hidden;
  border-radius: var(--radius-surface);
  background: linear-gradient(180deg, rgba(232, 241, 245, 0.9), rgba(245, 243, 239, 0.95));
}

.gallery-lightbox__image-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  will-change: transform;
}

@media (hover: hover) {
  .gallery-lightbox__image-frame {
    cursor: zoom-in;
  }
  .gallery-lightbox__image-frame img {
    user-select: none;
    -webkit-user-select: none;
  }
}

.gallery-lightbox__nav {
  position: absolute;
  top: calc(50% - 1.5rem);
  width: 3rem;
  height: 3rem;
  z-index: 2;
  transition: transform var(--duration-fast) var(--ease-out-quart), background var(--duration-fast) var(--ease-out-quart), border-color var(--duration-fast) var(--ease-out-quart);
}

.gallery-lightbox__nav--prev {
  left: var(--space-4);
}

.gallery-lightbox__nav--next {
  right: var(--space-4);
}

.gallery-lightbox__thumbnails {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: var(--space-3);
}

.gallery-lightbox__thumbnails:empty {
  display: none;
}

.gallery-lightbox__thumb {
  appearance: none;
  border: 1px solid rgba(212, 220, 226, 0.95);
  border-radius: var(--radius-surface);
  overflow: hidden;
  padding: 0;
  background: rgba(255,255,255,0.75);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out-quart), border-color var(--duration-fast) var(--ease-out-quart), opacity var(--duration-fast) var(--ease-out-quart);
  opacity: 0.72;
}

.gallery-lightbox__thumb img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.gallery-lightbox__thumb.is-active {
  border-color: var(--color-glacier);
  opacity: 1;
}

.gallery-lightbox__thumb:hover,
.gallery-lightbox__thumb:focus-visible {
  transform: translateY(-1px);
  opacity: 1;
}

/* Links */
.links__platforms {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.platform-link {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-paper);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-surface);
  transition: border-color var(--duration-fast), 
              background var(--duration-fast),
              transform var(--duration-fast),
              box-shadow var(--duration-fast);
  text-decoration: none;
}

.platform-link__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  min-width: 0;
}

.platform-link:hover {
  border-color: var(--color-glacier);
  background: var(--color-paper);
  color: inherit;
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.platform-link__icon {
  width: 24px;
  height: 24px;
  color: var(--color-ocean);
  flex-shrink: 0;
}

.platform-link__name {
  font-weight: 500;
  color: var(--color-ink);
  flex-shrink: 0;
}

.platform-link__handle {
  font-size: var(--text-sm);
  color: var(--color-caption);
  margin-left: auto;
  max-width: 68%;
  text-align: right;
  line-height: 1.5;
}

@media (max-width: 640px) {
  .platform-link__content {
    flex-direction: column;
    align-items: flex-start;
  }

  .platform-link__handle {
    margin-left: 0;
    max-width: none;
    text-align: left;
  }

}

/* Contact Page */
.contact-page-hero {
  padding: calc(var(--space-20) + var(--space-4)) 0 var(--space-10);
  background: linear-gradient(180deg, var(--color-paper) 0%, var(--color-parchment) 100%);
  border-bottom: 1px solid var(--color-border-light);
}

.contact-page-hero__inner {
  max-width: 760px;
}

.contact-page-hero h1 {
  font-size: clamp(2.75rem, 7vw, 4.75rem);
  margin-bottom: var(--space-4);
}

.contact-page-hero p {
  max-width: 40rem;
  margin-bottom: 0;
  font-size: var(--text-lg);
  color: var(--color-caption);
}

.contact-directory {
  padding: var(--space-10) 0;
  background: var(--color-parchment);
}

.contact-directory__intro {
  width: 100%;
  max-width: 54rem;
  margin: 0 0 var(--space-8);
}

.contact-directory__intro h2,
.contact-territories__header h2,
.contact-links__header h2 {
  margin-bottom: var(--space-4);
}

.contact-directory__cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.contact-card {
  padding: var(--space-6);
  background: var(--color-paper);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-surface);
  box-shadow: var(--shadow-sm);
}

.contact-card__label {
  margin-bottom: var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-glacier);
  text-wrap: balance;
}

.contact-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  text-wrap: balance;
}

.contact-card p {
  margin-bottom: var(--space-4);
}

.contact-territories {
  padding: var(--space-10) 0;
  background: var(--color-paper);
}

.contact-territories__header {
  width: 100%;
  max-width: 54rem;
  margin: 0 0 var(--space-8);
}

.contact-territories__list ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-territories__list li {
  position: relative;
  padding: var(--space-3) 0 var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
  font-size: var(--text-base);
  line-height: 1.6;
}

.contact-territories__list li:last-child {
  border-bottom: none;
}

.contact-territories__list li::before {
  content: '\2022';
  position: absolute;
  left: 0;
  color: var(--color-glacier);
}

.contact-territories__list li a {
  color: var(--color-ocean);
}

.contact-territories__list li a:hover {
  color: var(--color-deep);
}

.contact-links {
  padding: var(--space-10) 0;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-border-light);
}

.contact-links .container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.contact-links__header {
  width: 100%;
  max-width: 54rem;
  margin: 0 0 var(--space-6);
  text-align: left;
}

.contact-links__platforms {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  max-width: 760px;
  width: 100%;
}

.contact-links__platforms .platform-link {
  min-height: 120px;
  padding: var(--space-5);
  background: var(--color-parchment);
}

.contact-links__platforms .platform-link__content {
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-2);
}

.contact-links__platforms .platform-link__name {
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
}

.contact-links__platforms .platform-link__handle {
  margin-left: 0;
  max-width: none;
  text-align: left;
}

.contact-credits {
  padding: var(--space-10) 0;
  background: var(--color-parchment);
  border-top: 1px solid var(--color-border-light);
}

.contact-credits__inner {
  width: 100%;
  max-width: 54rem;
}

.contact-credits__inner h2 {
  margin-bottom: var(--space-4);
}

.contact-credits__inner p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-caption);
}

.contact-credits__inner a {
  color: var(--color-ocean);
}

/* Footer */
.footer {
  background: var(--color-paper);
  border-top: 1px solid var(--color-border-light);
  color: var(--color-caption);
  padding: var(--space-8) 0;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-6);
}

.footer__copyright {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-caption);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: color var(--duration-fast);
}
.footer__link:hover,
.footer__link[aria-current='page'] { color: var(--color-ocean); }

.footer__credit { display: flex; justify-content: flex-end; align-items: center; gap: 0.35em; margin-top: var(--space-6); font-size: var(--text-sm); color: var(--color-text); transition: color var(--duration-fast); }
.footer__credit:hover { color: var(--color-ocean); }
.bwm-mark { width: 30px; height: 30px; flex: none; position: relative; top: -2px; background: currentColor; -webkit-mask: url('../images/bwm-mark.svg') center / contain no-repeat; mask: url('../images/bwm-mark.svg') center / contain no-repeat; }

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%; left: var(--space-4);
  padding: var(--space-3) var(--space-5);
  background: var(--color-deep);
  color: white;
  font-size: var(--text-sm);
  z-index: 9999;
  transition: top var(--duration-fast);
}
.skip-link:focus { top: var(--space-4); }

/* Responsive */
@media (max-width: 1024px) {
  .about__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .about__image-wrapper { max-width: 400px; }
  .book__info {
    grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
    column-gap: var(--space-8);
  }
  .book__cover { max-width: 280px; }
  .research__projects { grid-template-columns: 1fr; }
  .gallery-categories { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-lightbox {
    width: min(920px, calc(100vw - 2rem));
  }
  .contact-directory__intro { max-width: none; }

}

@media (max-width: 900px) {
  .contact-directory__cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 901px) {
  .contact-card__label {
    min-height: 3.3em;
  }

  .contact-card h3 {
    min-height: 2.3em;
  }
}

@media (min-width: 768px) {
  .research__projects { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1025px) {
  .book__info { row-gap: 0; }

  .book__quotes {
    margin-top: var(--space-6);
  }

  .book__purchase {
    padding: var(--space-6) 0;
  }

  .book__secondary {
    padding-top: var(--space-6);
  }
}

@media (min-width: 769px) and (max-width: 1024px) and (orientation: portrait) {
  .hero__content { transform: translateY(-21vh); }
}

@media (min-width: 1024px) {
  .research__projects { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root { --text-hero: 2.5rem; --text-3xl: 2rem; --text-2xl: 1.5rem; }
  section { padding: var(--space-12) 0; }

  .nav {
    padding: 0.25rem 0;
  }

  .nav::before {
    opacity: 1;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(10px);
  }

  .nav--solid::before {
    background: rgba(255, 255, 255, 0.88);
  }

  .nav.scrolled,
  .nav--solid {
    padding: 0.25rem 0;
  }

  .nav__inner {
    min-height: 2.15rem;
    justify-content: flex-end;
  }

  .nav__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    z-index: 300;
  }

  .nav__toggle span {
    width: 18px;
    height: 1.5px;
    background: var(--color-ink);
    border-radius: 0;
  }

  .contact-page-hero {
    padding: calc(var(--space-20) + var(--space-2)) 0 var(--space-8);
  }

  .contact-page-hero__inner {
    margin: 0 auto;
    text-align: center;
  }

  .contact-page-hero h1 {
    font-size: var(--text-3xl);
  }

  .contact-page-hero p {
    font-size: var(--text-base);
    margin-left: auto;
    margin-right: auto;
  }

  .publications-section {
    padding: var(--space-10) 0;
  }

  .publications__list {
    max-width: 100%;
    gap: var(--space-3);
  }

  .publication-item {
    padding: var(--space-5);
  }

  .about__content,
  .research__header,
  .book__info,
  .publications__header,
  .gallery__header,
  .contact-page-hero__inner,
  .contact-directory__intro,
  .contact-territories__header,
  .contact-links__header,
  .contact-credits__inner {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }

  .contact-links .container {
    align-items: center;
  }

  .section-label {
    display: block;
  }

  .book__info {
    grid-template-columns: 1fr;
    grid-template-areas:
      'lead'
      'cover'
      'quotes'
      'purchase'
      'secondary';
    row-gap: var(--space-6);
  }

  .book__cover {
    max-width: 260px;
    margin: 0 auto;
  }

  .book__secondary {
    justify-content: center;
    text-align: left;
  }

  .book__purchase .retailers {
    justify-items: center;
    margin-left: auto;
    margin-right: auto;
  }

  .contact-directory__cards,
  .contact-territories__list,
  .contact-links__platforms {
    grid-template-columns: 1fr;
  }

  .book__quotes-controls { gap: var(--space-3); }

  .book__quotes-button { width: 2.75rem; min-width: 2.75rem; height: 2.75rem; }

  .nav__menu {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    left: auto;
    width: min(340px, 82vw);
    background: var(--color-paper);
    border: none;
    border-radius: 0;
    box-shadow: -8px 0 40px rgba(26, 42, 54, 0.12);
    padding: calc(env(safe-area-inset-top, 0px) + 4.5rem) var(--space-8) var(--space-10);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 0;
    opacity: 1;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(100%);
    transition: transform var(--duration-normal) var(--ease-out-expo), visibility 0s linear var(--duration-normal);
    z-index: 260;
  }
  .nav__menu.active {
    visibility: visible;
    pointer-events: auto;
    transform: translateX(0);
    transition: transform var(--duration-normal) var(--ease-out-expo), visibility 0s linear 0s;
  }

  .nav__menu li {
    width: 100%;
    border-bottom: 1px solid var(--color-border-light);
    opacity: 0;
    transform: translateX(12px);
    transition: opacity var(--duration-fast) var(--ease-out-quart), transform var(--duration-fast) var(--ease-out-quart);
  }
  .nav__menu.active li {
    opacity: 1;
    transform: translateX(0);
  }
  .nav__menu.active li:nth-child(1) { transition-delay: 0.05s; }
  .nav__menu.active li:nth-child(2) { transition-delay: 0.1s; }
  .nav__menu.active li:nth-child(3) { transition-delay: 0.15s; }
  .nav__menu.active li:nth-child(4) { transition-delay: 0.2s; }
  .nav__menu.active li:nth-child(5) { transition-delay: 0.25s; }
  .nav__menu.active li:nth-child(6) { transition-delay: 0.3s; }

  .nav__link {
    display: block;
    padding: var(--space-4) 0;
    border-radius: 0;
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-normal);
    font-style: italic;
    letter-spacing: 0;
    text-transform: none;
    color: var(--color-ink);
    text-shadow: none;
    text-align: left;
    background: transparent;
    position: relative;
  }
  .nav__link::after {
    display: none;
  }
  .nav__link:hover,
  .nav__link.active,
  .nav__link[aria-current='page'] {
    color: var(--color-ocean);
    background: transparent;
  }

  .hero__image { object-position: 50% center; }
  .hero__content {
    padding: var(--space-5);
    transform: translateY(-21vh);
  }
  .hero__title { font-size: clamp(2.4rem, 10vw, 3.25rem); }
  .hero__subtitle {
    font-size: 1.2rem;
    max-width: 18rem;
    margin-left: auto;
    margin-right: auto;
  }
  .project-content {
    text-align: left;
  }
  .project-description {
    text-align: left;
  }
  .project-tags {
    justify-content: flex-start;
  }
  .research__news {
    text-align: center;
  }
  .research__news-list {
    max-width: 28rem;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }
  .gallery-categories { grid-template-columns: 1fr; }
  .gallery-category__overlay {
    padding: var(--space-5);
  }
  .gallery-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    transform: none;
    width: 100vw;
    height: 100dvh;
    max-width: none;
    max-height: none;
    border-radius: 0;
  }
  .gallery-lightbox__shell {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100dvh;
    max-height: none;
    padding: 0;
    gap: 0;
    border: none;
    border-radius: 0;
    background: rgba(12, 22, 30, 0.96);
    overflow: hidden;
  }
  .gallery-lightbox__header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4);
    padding-top: calc(env(safe-area-inset-top, 0px) + var(--space-4));
    background: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, transparent 100%);
  }
  .gallery-lightbox__heading {
    display: none;
  }
  .gallery-lightbox__actions {
    gap: var(--space-3);
  }
  .gallery-lightbox__count {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.8);
    font-weight: var(--weight-medium);
  }
  .gallery-lightbox__close {
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.2);
    color: white;
  }
  .gallery-lightbox__viewport {
    flex: 1;
    min-height: 0;
    position: relative;
  }
  .gallery-lightbox__track {
    border-radius: 0;
    height: 100%;
  }
  .gallery-lightbox__slide {
    height: 100%;
  }
  .gallery-lightbox__figure {
    position: relative;
    height: 100%;
  }
  .gallery-lightbox__image-frame {
    height: 100%;
    border-radius: 0;
    background: transparent;
    overflow: hidden;
  }
  .gallery-lightbox__image-frame img {
    object-fit: contain;
    object-position: center;
  }
  .gallery-lightbox__nav {
    width: 3rem;
    height: 3rem;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.2);
    color: white;
    backdrop-filter: blur(4px);
  }
  .gallery-lightbox__nav--prev {
    left: var(--space-2);
  }
  .gallery-lightbox__nav--next {
    right: var(--space-2);
  }
  .gallery-lightbox__thumbnails {
    display: none;
  }
  .book__purchase {
    max-width: 22rem;
    margin-left: auto;
    margin-right: auto;
  }

  .book__purchase .retailers {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
    justify-content: center;
    column-gap: var(--space-5);
    row-gap: var(--space-5);
    max-width: 21rem;
  }

  .book__purchase .retailer-svg {
    min-height: 3.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .book__purchase .retailer-svg a {
    justify-content: center;
    min-height: 3.75rem;
  }

  .book__purchase .retailer-svg svg,
  .book__purchase .retailer-svg img {
    max-width: 108px;
    height: 34px;
  }

  .book__purchase .retailer-svg svg.logo--wide,
  .book__purchase .retailer-svg img.logo--wide {
    max-width: 136px;
    height: 36px;
  }

  .footer__inner { flex-direction: column; gap: var(--space-5); text-align: center; }
  .footer__credit { justify-content: center; }
  .footer__links {
    width: 100%;
    justify-content: center;
    row-gap: var(--space-3);
  }
}

@media (max-width: 480px) {
  .book { padding: var(--space-6); }
  .book__purchase {
    max-width: 19.5rem;
  }

  .book__purchase .retailers {
    grid-template-columns: repeat(2, minmax(108px, 1fr));
    column-gap: var(--space-4);
    row-gap: var(--space-4);
    max-width: 18.75rem;
  }

  .publication-item {
    padding: var(--space-4);
  }

  .publication-item__title {
    font-size: 1.0625rem;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

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