:root {
  --bg: #faf8f3;
  --panel: rgba(255,255,255,0.76);
  --panel-strong: #ffffff;
  --text: #1e241d;
  --muted: #5d665b;
  --border: rgba(30,36,29,0.12);
  --shadow: 0 20px 60px rgba(22, 29, 19, 0.08);
  --overlay: rgba(0,0,0,0.22);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: radial-gradient(circle at top, rgba(158,178,150,0.12), transparent 35%), var(--bg);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }

/* Tile Size Ratios */
.gallery-tile {
  aspect-ratio: 1 / 1;
}

.gallery-tile.is-portrait {
  aspect-ratio: 4 / 3;
}

.gallery-tile.is-square {
  aspect-ratio: 1 / 1;
}

.gallery-tile.is-landscape {
  aspect-ratio: 16 / 10;
}

.featured-card {
  aspect-ratio: 1 / 1;
}

.featured-card.is-portrait {
  aspect-ratio: 27 / 25;
}

.featured-card.is-square {
  aspect-ratio: 1 / 1;
}

.featured-card.is-landscape {
  aspect-ratio: 16 / 10;
}

.collection-card {
  aspect-ratio: 1 / 1;
}

/* General */
.nav {
  display: grid;
  gap: clamp(.65rem, 1vw, .9rem);
  margin-top: clamp(1.2rem, 2vw, 2.2rem);
}

.tagline, .muted, .copy, .sidebar-footer, .info-card span, .collection-card small, .back-link {
  color: var(--muted);
}

.nav a, .sidebar-links a, .back-link a {
  transition: transform .2s ease, opacity .2s ease;
}

.nav a:hover, .sidebar-links a:hover, .back-link a:hover { 
  transform: translateX(4px); 
}

.content {
  padding: 1.25rem;
  min-width: 0;
}


/* Side Bar */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(16px);
  transition: opacity 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.site-shell {
  display: grid;
  grid-template-columns: clamp(220px, 24vw, 340px) minmax(0, 1fr);
  min-height: 100vh;
  position: relative;
  transition:
    filter 320ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 320ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.sidebar-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.1rem, 2vw, 2rem);
}

.eyebrow {
  margin: 0 0 .6rem;
  text-transform: uppercase;
  letter-spacing: .26em;
  font-size: clamp(.62rem, .8vw, .72rem);
  color: var(--muted);
}

.brand {
  display: inline-block;
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.sidebar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: .8rem 0 1.2rem;
}

.site-shell,
.sidebar,
.sidebar-inner,
.content {
  will-change: transform, opacity;
  backface-visibility: hidden;
  transform-origin: top left;
}

.eyebrow,
.brand,
.tagline,
.nav a,
.sidebar-links a,
.theme-toggle {
  will-change: transform, opacity;
}

body.sidebar-transitioning .sidebar {
  opacity: 0.985;
}


/* Main Box */
.section {
  margin-bottom: 1.25rem;
  padding: 1.25rem;
}

.section-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 30px;
  box-shadow: var(--shadow);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-heading-stacked {
  display: block;
}

.section-heading h1,
.section-heading h2,
.section h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.copy {
  max-width: 68ch;
  line-height: 1.8;
  font-size: 1rem;
}

.collection-grid,
.featured-strip {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 0.75rem;
  width: 100%;  
  margin: 0 auto; 
}

.collection-card,
.gallery-tile,
.featured-card {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid var(--border);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
  transition: transform 0.18s ease;
}

.collection-card img,
.gallery-tile img,
.featured-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}

.collection-card:hover img,
.gallery-tile:hover img,
.featured-card:hover img { transform: scale(1.04); }
.collection-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.58), transparent 52%);
}

.collection-card-content {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.1rem;
  display: grid;
  gap: .4rem;
  color: #fff;
}

.collection-card-content strong { font-size: 1.2rem; }

.collection-card-content small { color: rgba(255,255,255,.86); line-height: 1.5; }

.info-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.info-card {
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 1.1rem;
  display: grid;
  gap: .45rem;
}

.info-card strong { font-size: 1.04rem; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 0.75rem;
  margin-top: 1.2rem;
  grid-auto-flow: dense;
  align-items: start;
}

.empty-state {
  background: var(--panel);
  border: 1px dashed var(--border);
  border-radius: 24px;
  padding: 1.25rem;
}

/* Animations CSS*/
.collection-card,
.featured-card,
.gallery-tile {
  will-change: transform;
  transform-origin: center center;
  backface-visibility: hidden;
}

.collection-card img,
.featured-card img,
.gallery-tile img {
  opacity: 0;
  transition: opacity 0.45s ease, transform 0.3s ease;
}

.collection-card img.is-loaded,
.featured-card img.is-loaded,
.gallery-tile img.is-loaded {
  opacity: 1;
}

body.nav-stagger-in .eyebrow,
body.nav-stagger-in .brand,
body.nav-stagger-in .tagline,
body.nav-stagger-in .nav a,
body.nav-stagger-in .sidebar-links a,
body.nav-stagger-in .theme-toggle {
  animation-duration: 420ms;
  animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
  animation-fill-mode: both;
  animation-delay: calc(var(--stagger-index, 0) * 45ms);
}

body.nav-stagger-top .eyebrow,
body.nav-stagger-top .brand,
body.nav-stagger-top .tagline,
body.nav-stagger-top .nav a,
body.nav-stagger-top .sidebar-links a,
body.nav-stagger-top .theme-toggle {
  animation-name: navLinkStaggerTop;
}

body.nav-stagger-side .eyebrow,
body.nav-stagger-side .brand,
body.nav-stagger-side .tagline,
body.nav-stagger-side .nav a,
body.nav-stagger-side .sidebar-links a,
body.nav-stagger-side .theme-toggle {
  animation-name: navLinkStaggerSide;
}

body.nav-stagger-in .stagger-anchor {
  animation-duration: 520ms;
  animation-timing-function: cubic-bezier(0.18, 1, 0.32, 1);
}

/* Animations @ Media */
/* General (no size restrictions) */
@media (prefers-reduced-motion: reduce) {
  .site-shell,
  .sidebar,
  .sidebar-inner,
  .content {
    animation: none !important;
    transition: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.nav-stagger-in .eyebrow,
  body.nav-stagger-in .brand,
  body.nav-stagger-in .tagline,
  body.nav-stagger-in .nav a,
  body.nav-stagger-in .sidebar-links a,
  body.nav-stagger-in .theme-toggle,
  .sidebar {
    animation: none !important;
    transition: none !important;
  }
}

@keyframes navLinkStaggerTop {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes navLinkStaggerSide {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}


/* Small size website */
@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .collection-grid,
  .featured-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    width: 100%;
    margin: 0 auto;
  }
}


/* Half Size Website */
@media (min-width: 1280px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .collection-grid,
  .featured-strip {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    width: 100%;
    margin: 0 auto;
  }

  .gallery-tile.is-landscape {
    grid-column: span 2;
  }
}

@media (max-width: 1280px) {
  .gallery-tile.is-landscape {
    grid-column: span 1;
  }

  .site-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .sidebar-inner {
    height: auto;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    flex-wrap: wrap;
  }

  .sidebar-inner > :first-child {
    flex: 1 1 260px;
    min-width: 0;
  }

  .brand {
    font-size: clamp(1.4rem, 4vw, 1.9rem);
  }

  .tagline,
  .sidebar-footer {
    margin-top: 0.35rem;
  }

  .nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.85rem 1rem;
    margin-top: 1rem;
  }

  .sidebar-links {
    margin: 0;
    justify-content: flex-start;
  }

  .theme-toggle {
    flex: 0 0 100%;
    display: block;
    margin: 0.6rem auto 0;
    text-align: center;
  }

  .content {
    min-width: 0;
  }
}


/* Full Size Website */
@media (min-width: 1440px) {
  .collection-grid,
  .featured-strip {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    width: 100%;
    margin: 0 auto;
  }

  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .featured-strip {
    grid-auto-flow: dense;
    align-items: start;
  }

  .featured-card.is-landscape.featured-span-wide {
    grid-column: span 2;
  }
}

@media (max-width: 1440px) {
  .featured-card.is-landscape.featured-span-wide {
    grid-column: span 1;
  }
}