/* ============================================
   GISEL FLOREZ — SOVEREIGN PORTFOLIO
   Gallery-first layout matching PhotoShelter
   Zero dependencies. System fonts only.
   ============================================ */

:root {
  --color-bg: #ffffff;
  --color-text: #121212;
  --color-text-light: #666666;
  --color-gold: #d4a03c;
  --color-gold-hover: #c08f2e;
  --color-border: #e0e0e0;
  --color-footer-bg: #121212;
  --color-footer-text: #e8e0d0;
  --font-heading: 'Avenir Next', 'Avenir', 'Segoe UI', 'Helvetica Neue', sans-serif;
  --font-body: 'Palatino Linotype', 'Palatino', 'Book Antiqua', 'Georgia', serif;
  --nav-height: 42px;
  --transition: 0.3s ease;
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
}

/* =============================================
   NAVIGATION — PhotoShelter-style thin bar
   ============================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: #fff;
  z-index: 1000;
  border-bottom: 1px solid #eee;
  font-family: var(--font-heading);
}

.nav-inner {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 20px;
  gap: 0;
}

.nav-logo {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  white-space: nowrap;
  margin-right: 20px;
  flex-shrink: 0;
}

.nav-logo:hover {
  color: var(--color-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  flex: 1;
  gap: 0;
}

.nav-links > li {
  position: relative;
}

.nav-links > li > a {
  display: block;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-light);
  padding: 12px 10px;
  white-space: nowrap;
}

.nav-links > li > a:hover {
  color: var(--color-text);
}

.nav-links > li > a.active {
  color: var(--color-gold);
  font-weight: 700;
  font-size: 0.75rem;
  text-shadow:
    0 0 8px rgba(212, 160, 60, 0.9),
    0 0 20px rgba(212, 160, 60, 0.5),
    0 0 40px rgba(212, 160, 60, 0.25);
}

/* Dropdown */
.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  border: 1px solid #eee;
  min-width: 180px;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.nav-dropdown a {
  display: block;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-light);
  padding: 8px 16px;
  border-bottom: 1px solid #f5f5f5;
}

.nav-dropdown a:last-child {
  border-bottom: none;
}

.nav-dropdown a:hover {
  color: var(--color-text);
  background: #fafafa;
}

li:hover > .nav-dropdown {
  display: block;
}

/* Right-side email / external link */
.nav-right {
  margin-left: auto;
  flex-shrink: 0;
}

.nav-right a {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gold);
  white-space: nowrap;
}

.nav-right a:hover {
  color: var(--color-gold-hover);
}

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

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text);
  margin: 4px 0;
  transition: var(--transition);
}

/* =============================================
   SLIDESHOW — Full-screen gallery hero
   ============================================= */
.slideshow {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: #000;
  overflow: hidden;
}

.slideshow-track {
  display: flex;
  height: 100%;
  transition: transform 0.45s cubic-bezier(0.25, 0.1, 0.25, 1);
  will-change: transform;
  -webkit-user-select: none;
  user-select: none;
}

.slide {
  min-width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.slide img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Two-up slide (side by side images like PhotoShelter) */
.slide-pair {
  display: flex;
  gap: 4px;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.slide-pair img {
  max-height: 90%;
  width: auto;
  flex: 0 1 auto;
}

/* Bottom controls bar */
.slideshow-controls {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40px;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 100;
}

.slide-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.slide-btn {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 4px 8px;
  font-family: var(--font-heading);
  letter-spacing: 0.04em;
}

.slide-btn:hover {
  color: #fff;
}

.slide-counter {
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-heading);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
}

.slide-dots {
  display: flex;
  gap: 6px;
  align-items: center;
}

.slide-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: background var(--transition);
  border: none;
}

.slide-dot.active {
  background: #fff;
}

.slide-dot:hover {
  background: rgba(255, 255, 255, 0.7);
}

.slide-info-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-btn {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-heading);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 4px 8px;
}

.info-btn:hover {
  color: #fff;
}

/* Info panel overlay */
.slide-info-panel {
  position: fixed;
  bottom: 40px;
  right: 0;
  width: 320px;
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  padding: 20px;
  transform: translateX(100%);
  transition: transform var(--transition);
  z-index: 99;
  max-height: calc(100vh - var(--nav-height) - 40px);
  overflow-y: auto;
}

.slide-info-panel.open {
  transform: translateX(0);
}

.slide-info-panel h3 {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #fff;
  margin-bottom: 8px;
}

.slide-info-panel p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

/* =============================================
   PAGE LAYOUTS (sub-pages: about, projects, etc.)
   ============================================= */
.page-body {
  padding-top: var(--nav-height);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 5rem 0;
}

.section-tag {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

.section-heading {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  max-width: 700px;
}

.section-text {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 640px;
  line-height: 1.8;
}

/* Page Banner */
.page-banner {
  padding: 3rem 0;
  border-bottom: 1px solid var(--color-border);
}

.page-banner h1 {
  font-size: 2.5rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* =============================================
   GALLERY GRID (sub-pages)
   ============================================= */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  background: #000;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, opacity 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.03);
  opacity: 0.85;
}

.gallery-item .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}

.gallery-item:hover .overlay {
  opacity: 1;
}

.overlay-text {
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* =============================================
   PROJECT CARDS
   ============================================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.project-card {
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  overflow: hidden;
}

.project-card:hover {
  border-color: var(--color-gold);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.project-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.project-card-body {
  padding: 1.5rem;
}

.project-card-category {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

.project-card-title {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.project-card-title a { color: var(--color-text); }
.project-card-title a:hover { color: var(--color-gold); }

.project-card-text {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* =============================================
   PROJECT DETAIL
   ============================================= */
.project-detail {
  padding-top: 3rem;
}

.project-hero-img {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  margin-bottom: 3rem;
}

.project-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 3rem;
}

.project-meta dt {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.25rem;
}

.project-meta dd {
  font-size: 0.9rem;
}

.project-section {
  margin-bottom: 3rem;
}

.project-section h2 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  padding-left: 1rem;
  position: relative;
}

.project-section h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.15em;
  width: 3px;
  height: 1em;
  background: var(--color-gold);
}

.project-section p {
  color: var(--color-text-light);
  line-height: 1.8;
  max-width: 700px;
}

/* =============================================
   MASONRY (Collection)
   ============================================= */
.masonry-grid {
  columns: 3;
  column-gap: 1rem;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.masonry-item img {
  width: 100%;
  transition: transform 0.5s ease;
}

.masonry-item:hover img {
  transform: scale(1.03);
}

/* Print-style caption under image */
.masonry-item .masonry-overlay {
  padding: 0.5rem 0.15rem 0.75rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.masonry-title {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 400;
  font-style: italic;
  color: var(--color-text);
}

.masonry-collector {
  font-family: var(--font-heading);
  font-size: 0.62rem;
  color: var(--color-text-light);
  letter-spacing: 0.02em;
}

.masonry-date {
  font-family: var(--font-heading);
  font-size: 0.6rem;
  color: var(--color-text-light);
  margin-left: auto;
}

/* =============================================
   ABOUT PAGE
   ============================================= */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: start;
}

.about-image {
  width: 100%;
  object-fit: cover;
  max-height: 550px;
}

.about-bio {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.tools-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tool-tag {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  transition: all var(--transition);
}

.tool-tag:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.exhibitions-list {
  list-style: none;
  max-width: 700px;
}

.exhibitions-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.exhibitions-list li strong {
  font-family: var(--font-heading);
  font-weight: 600;
}

/* =============================================
   COLLECT PAGE
   ============================================= */
.collect-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.collect-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-border);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition);
}

.collect-link:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.collect-link .arrow {
  font-size: 1.2rem;
  transition: transform var(--transition);
}

.collect-link:hover .arrow {
  transform: translateX(4px);
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.8rem 1.8rem;
  border: 2px solid var(--color-gold);
  color: var(--color-gold);
  transition: all var(--transition);
  cursor: pointer;
  background: transparent;
}

.btn:hover {
  background: var(--color-gold);
  color: #fff;
}

.btn-filled {
  background: var(--color-gold);
  color: #fff;
}

.btn-filled:hover {
  background: var(--color-gold-hover);
  border-color: var(--color-gold-hover);
}

/* =============================================
   COLLECTION HEADER
   ============================================= */
.collection-header {
  text-align: center;
  padding: 2.5rem 0;
  max-width: 600px;
  margin: 0 auto;
}

.collection-header p {
  color: var(--color-text-light);
  font-size: 1rem;
  line-height: 1.8;
}

.collection-meta {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1.25rem;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.collection-meta strong {
  color: var(--color-gold);
}

/* =============================================
   DIMENSIONS CARDS
   ============================================= */
.dimensions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
}

.dimension-card {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.dimension-card:hover {
  border-color: var(--color-gold);
}

.dimension-number {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

.dimension-title {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.dimension-list {
  list-style: none;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.dimension-list li {
  padding: 0.25rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}

.dimension-list li:last-child { border-bottom: none; }

/* =============================================
   INSTAGRAM GRID
   ============================================= */
.ig-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2px;
}

.ig-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  transition: opacity var(--transition);
}

.ig-grid img:hover { opacity: 0.8; }

/* =============================================
   GOLD DIVIDER
   ============================================= */
.gold-divider {
  width: 50px;
  height: 2px;
  background: var(--color-gold);
  margin: 0 auto 1.5rem;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 3rem 0 1.5rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand { font-family: var(--font-heading); }

.footer-brand .logo-text {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-footer-text);
  margin-bottom: 0.5rem;
}

.footer-brand .location {
  font-size: 0.85rem;
  color: rgba(232,224,208,0.5);
}

.footer h4 {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}

.footer-nav { list-style: none; }

.footer-nav li { margin-bottom: 0.4rem; }

.footer-nav a {
  color: rgba(232,224,208,0.6);
  font-size: 0.85rem;
}

.footer-nav a:hover { color: var(--color-gold); }

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

.footer-socials a {
  color: rgba(232,224,208,0.6);
  font-size: 0.85rem;
}

.footer-socials a:hover { color: var(--color-gold); }

.footer-bottom {
  border-top: 1px solid rgba(232,224,208,0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: rgba(232,224,208,0.35);
}

.footer-logo-img {
  height: 28px;
  opacity: 0.4;
  transition: opacity var(--transition);
}

.footer-logo-img:hover { opacity: 0.7; }

/* =============================================
   FADE-IN (JS-driven, but base state here)
   ============================================= */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   ARCHIVAL EDITIONS
   ============================================= */
.archival-hero {
  position: relative;
  overflow: hidden;
}

.archival-hero-inner {
  position: relative;
  height: 60vh;
  min-height: 400px;
  max-height: 600px;
}

.archival-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.archival-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.1) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 3rem;
}

.archival-process-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.archival-process-item {
  padding: 1.5rem 0;
}

.archival-process-num {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 0.5rem;
}

.archival-process-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.archival-process-item p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

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

.archival-work {
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all var(--transition);
  background: #fff;
}

.archival-work:hover {
  border-color: var(--color-gold);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.archival-work-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.archival-work-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.archival-work:hover .archival-work-img img {
  transform: scale(1.03);
}

.archival-work-info {
  padding: 1rem 1.25rem 1.25rem;
}

.archival-work-series {
  font-family: var(--font-heading);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  display: block;
  margin-bottom: 0.25rem;
}

.archival-work-info h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.archival-work-detail {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  color: var(--color-text-light);
  letter-spacing: 0.04em;
}

.archival-info-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

/* Clickable work cards */
.archival-work[data-href] {
  cursor: pointer;
  position: relative;
}

.archival-work-address {
  display: none;
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-footer-bg);
  color: var(--color-gold);
  font-family: var(--font-heading);
  font-size: 0.6rem;
  letter-spacing: 0.04em;
  padding: 6px 12px;
  white-space: nowrap;
  z-index: 10;
  pointer-events: none;
  margin-bottom: 4px;
}

.archival-work[data-href]:hover .archival-work-address {
  display: block;
}

/* Half-screen iframe panel */
.iframe-panel {
  position: fixed;
  top: var(--nav-height);
  right: 0;
  width: 50%;
  height: calc(100vh - var(--nav-height));
  background: #fff;
  z-index: 900;
  transform: translateX(100%);
  transition: transform 0.4s ease;
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 24px rgba(0,0,0,0.15);
}

.iframe-panel.open {
  transform: translateX(0);
}

.iframe-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.iframe-panel-title {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.iframe-panel-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--color-text-light);
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.iframe-panel-close:hover {
  color: var(--color-text);
}

.iframe-panel iframe {
  flex: 1;
  width: 100%;
  border: none;
}

.iframe-panel-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 899;
}

.iframe-panel-overlay.open {
  display: block;
}

/* =============================================
   VIEW CONTROLS — PhotoShelter-style grid density
   ============================================= */
.view-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 0.6rem 0;
  margin-bottom: 0.5rem;
}

.view-controls-label {
  font-family: var(--font-heading);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  margin-right: 0.25rem;
}

.view-btn {
  background: none;
  border: 1px solid var(--color-border);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 3px;
  padding: 0;
}

.view-btn:hover { border-color: var(--color-gold); }
.view-btn.active { border-color: var(--color-gold); background: var(--color-gold); }
.view-btn.active svg line,
.view-btn.active svg rect { stroke: #fff; fill: none; }

.view-btn svg {
  width: 14px;
  height: 14px;
}

.view-btn svg line,
.view-btn svg rect {
  stroke: #999;
  stroke-width: 1.5;
  fill: none;
}

/* Grid density states */
.gallery-grid.view-sm { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 2px; }
.gallery-grid.view-md { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 2px; }
.gallery-grid.view-lg { grid-template-columns: repeat(auto-fill, minmax(400px, 1fr)); gap: 4px; }

.projects-grid.view-sm { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.75rem; }
.projects-grid.view-md { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.projects-grid.view-lg { grid-template-columns: 1fr 1fr; gap: 2rem; }

.masonry-grid.view-sm { columns: 6; column-gap: 4px; }
.masonry-grid.view-sm .masonry-item { margin-bottom: 4px; }
.masonry-grid.view-md { columns: 4; column-gap: 8px; }
.masonry-grid.view-md .masonry-item { margin-bottom: 8px; }
.masonry-grid.view-lg { columns: 2; column-gap: 1rem; }

.archival-works-grid.view-sm { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 2px; }
.archival-works-grid.view-md { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.archival-works-grid.view-lg { grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: 1.5rem; }

/* Smooth density transitions */
.gallery-grid, .projects-grid, .archival-works-grid {
  transition: all 0.35s ease;
}

/* Hide text at small view */
.view-sm .project-card-body { padding: 0.5rem; }
.view-sm .project-card-text { display: none; }
.view-sm .project-card-title { font-size: 0.75rem; margin-bottom: 0.2rem; }
.view-sm .project-card-category { font-size: 0.55rem; margin-bottom: 0.2rem; }
.view-sm .archival-work-info { padding: 0.4rem 0.6rem; }
.view-sm .archival-work-info h3 { font-size: 0.7rem; }
.view-sm .archival-work-series { font-size: 0.5rem; }
.view-sm .archival-work-detail { display: none; }

.view-sm .masonry-overlay { padding: 0.2rem 0 0.4rem; }
.view-sm .masonry-title { font-size: 0.55rem; }
.view-sm .masonry-collector, .view-sm .masonry-date { display: none; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .about-image {
    max-height: 350px;
    width: 100%;
    object-fit: cover;
  }
}

@media (max-width: 900px) {
  .masonry-grid { columns: 2; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .ig-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .view-controls { justify-content: center; }
  .gallery-grid.view-sm { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid.view-md { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid.view-lg { grid-template-columns: 1fr; }
  .masonry-grid.view-sm { columns: 4; }
  .masonry-grid.view-md { columns: 2; }
  .masonry-grid.view-lg { columns: 1; }
  .archival-works-grid.view-sm { grid-template-columns: repeat(3, 1fr); }
  .archival-works-grid.view-md { grid-template-columns: repeat(2, 1fr); }
  .archival-works-grid.view-lg { grid-template-columns: 1fr; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.98);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 3rem;
    gap: 0;
    overflow-y: auto;
  }

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

  .nav-links > li > a {
    font-size: 0.8rem;
    padding: 14px 20px;
  }

  .nav-dropdown {
    position: static;
    box-shadow: none;
    border: none;
    background: #f8f8f8;
    display: block;
  }

  .nav-right { display: none; }
  .nav-toggle { display: block; }

  .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .slideshow { top: var(--nav-height); }

  .section { padding: 3.5rem 0; }
  .section-heading { font-size: 1.7rem; }
  .page-banner h1 { font-size: 1.8rem; }
  .gallery-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-meta { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
  .collect-links { grid-template-columns: 1fr; }
  .archival-process-grid { grid-template-columns: 1fr; }
  .archival-works-grid { grid-template-columns: 1fr 1fr; }
  .archival-info-split { grid-template-columns: 1fr; gap: 2rem; }
  .archival-hero-overlay { padding: 2rem; }
  .iframe-panel { width: 100%; }

  .slide-pair {
    flex-direction: column;
    gap: 4px;
  }
  .slide-pair img {
    max-height: 45%;
    max-width: 90%;
  }
}

@media (max-width: 480px) {
  .masonry-grid { columns: 1; }
  body { font-size: 15px; }
  .container { padding: 0 1rem; }
  .dimensions-grid { grid-template-columns: 1fr; }
  .archival-works-grid { grid-template-columns: 1fr; }
  .gallery-grid.view-sm { grid-template-columns: repeat(3, 1fr); }
  .masonry-grid.view-sm { columns: 3; }
  .archival-works-grid.view-sm { grid-template-columns: repeat(2, 1fr); }
}