/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: 0; cursor: pointer; color: inherit; }

:root {
  --fg: #111;
  --fg-muted: #555;
  --bg: #fff;
  --max: 1240px;
  --font-serif: "EB Garamond", "Adobe Garamond Pro", "Garamond", "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
}

/* Match reference: base 12px, everything sized in rem */
html { font-size: 12px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font-serif);
  color: var(--fg);
  background: var(--bg);
  font-size: 1.2rem;      /* 14.4px */
  line-height: 1.8em;
  font-weight: 400;
  letter-spacing: 0;
}

/* ---------- Header ---------- */
.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 2.25rem 2.25rem 1.5rem;
  max-width: var(--max);
  margin: 0 auto;
}

.site-title {
  font-family: var(--font-serif);
  font-size: 1.7rem;      /* 20.4px */
  font-weight: 400;
  letter-spacing: 0.12em;
  line-height: 1.4em;
  text-transform: none;
}

.site-nav .nav-list {
  display: flex;
  gap: 1.75rem;
  font-family: var(--font-serif);
  font-size: 1.1rem;      /* 13.2px */
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.8em;
  text-transform: none;
}

.site-nav a {
  padding-bottom: 1px;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms ease;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { border-bottom-color: var(--fg); }

.nav-toggle {
  display: none;
  width: 26px;
  height: 20px;
  flex-direction: column;
  justify-content: space-between;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 1px;
  background: var(--fg);
  width: 100%;
}

@media (max-width: 720px) {
  .site-header { padding: 1.5rem 1.5rem 1rem; }
  .nav-toggle { display: flex; }
  .nav-list {
    display: none !important;
    position: absolute;
    right: 1.5rem;
    top: 3.5rem;
    background: var(--bg);
    flex-direction: column;
    gap: 0.85rem !important;
    padding: 1rem 1.25rem;
    border: 1px solid #eee;
    z-index: 20;
  }
  .nav-list.open { display: flex !important; }
  .site-nav { position: relative; }
}

/* ---------- Home / galleries index ---------- */
.galleries-index {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem 2.25rem 6rem;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Hover-preview: full-viewport image, sits behind the title row.
   No layout shift — text stays put. */
.hover-preview {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease;
  z-index: 0;
}
.hover-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.hover-preview.visible { opacity: 1; }

/* Titles ride on top of the preview */
body.page-home .site-header,
body.page-home .site-footer,
body.page-home .galleries-index { position: relative; z-index: 1; }

/* When a preview is showing, give the titles a soft edge so they stay readable
   over any photo. Kept subtle so it barely shows on the default (no preview). */
body.preview-open .series-link {
  text-shadow: 0 0 14px rgba(255,255,255,0.55), 0 0 24px rgba(0,0,0,0.25);
  transition: text-shadow 220ms ease, border-color 600ms ease;
}

@media (max-width: 720px) {
  .hover-preview { display: none; } /* hover not meaningful on touch */
}

/* Horizontal row of text-only gallery links, centered on the page */
.series-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline;
  gap: 3.5rem;
  font-family: var(--font-serif);
  font-size: 1.4rem;      /* 16.8px — heading-3 scale */
  line-height: 1.6em;
  letter-spacing: 0;
}

@media (max-width: 720px) {
  .galleries-index { padding: 2rem 1.5rem 4rem; }
  .series-list { flex-direction: column; align-items: center; gap: 1.5rem; }
}

.series-item { display: inline-block; }

.series-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 150ms ease;
}
.series-link:hover,
.series-link.idle-active { border-bottom-color: var(--fg); }

.roman {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--fg-muted);
}
.rule {
  color: var(--fg-muted);
  letter-spacing: 0;
  flex: 0 0 auto;
}
.series-title { text-transform: none; letter-spacing: 0; }

/* ---------- Gallery page ---------- */
.gallery-page {
  max-width: 1400px;
  margin: 1rem auto 8rem;
  padding: 0 2.25rem;
}
.gallery-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 2rem 0 2.5rem;
  border-bottom: 1px solid #eee;
  margin-bottom: 4rem;
}
.gallery-header h1 {
  font-family: var(--font-serif);
  font-size: 1.4rem;      /* heading-3 */
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  margin: 0;
  line-height: 1.3em;
}

.gallery-intro {
  max-width: 36rem;
  margin: 0 0 3rem;
  color: var(--fg-muted);
  font-size: 1.2rem;
  line-height: 1.8em;
}

/* Staggered vertical stack — inspired by the reference site's 24-column
   hand-placed layout. Images vary in width and horizontal offset in a
   repeating 4-step pattern so nothing lines up, and each image is BIG. */
.gallery-grid {
  display: block;
  padding-top: 1rem;
}
.gallery-grid figure {
  margin: 0 0 6rem;
}
.gallery-grid figure:last-child { margin-bottom: 0; }
.gallery-grid img {
  width: 100%;
  height: auto;
  display: block;
}
.gallery-grid figcaption {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: normal;
  font-weight: 400;
  color: var(--fg);
  margin-top: 0.6rem;
  letter-spacing: 0;
}

/* 4-step alternating pattern: large-left, medium-right, xlarge-centered, medium-left.
   Widths reduced ~15% from the earlier pass. */
.gallery-grid figure:nth-child(4n+1) { width: 61%; margin-left: 2%;  }
.gallery-grid figure:nth-child(4n+2) { width: 44%; margin-left: 44%; }
.gallery-grid figure:nth-child(4n+3) { width: 70%; margin-left: 9%;  }
.gallery-grid figure:nth-child(4n+4) { width: 49%; margin-left: 28%; }

@media (max-width: 900px) {
  .gallery-page { padding: 0 1.25rem; }
  .gallery-grid figure { margin-bottom: 3.5rem; }
  .gallery-grid figure:nth-child(4n+1) { width: 90%; margin-left: 0;   }
  .gallery-grid figure:nth-child(4n+2) { width: 78%; margin-left: 22%; }
  .gallery-grid figure:nth-child(4n+3) { width: 96%; margin-left: 2%;  }
  .gallery-grid figure:nth-child(4n+4) { width: 80%; margin-left: 15%; }
}
@media (max-width: 560px) {
  .gallery-grid figure,
  .gallery-grid figure:nth-child(4n+1),
  .gallery-grid figure:nth-child(4n+2),
  .gallery-grid figure:nth-child(4n+3),
  .gallery-grid figure:nth-child(4n+4) {
    width: 100%;
    margin-left: 0;
    margin-bottom: 2.5rem;
  }
}

.gallery-back {
  display: inline-block;
  margin-top: 4rem;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0;
  border-bottom: 1px solid var(--fg);
  padding-bottom: 1px;
}

/* ---------- Information page ---------- */
.info-page {
  max-width: 640px;
  margin: 3rem auto 6rem;
  padding: 0 2.25rem;
}
.info-page h1 {
  font-family: var(--font-serif);
  font-size: 2.4rem;      /* heading-1 */
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  line-height: 1.2em;
  margin: 0 0 2rem;
}
.info-portrait {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  margin: 0 0 2rem;
}
.info-page h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;      /* heading-3 */
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0;
  text-transform: none;
  color: var(--fg);
  margin: 2.5rem 0 0.5rem;
}
.info-page p, .info-page li {
  font-size: 1.2rem;
  line-height: 1.8em;
}
.info-page ul { padding-left: 1.25rem; list-style: disc; }
.info-page a { border-bottom: 1px solid var(--fg); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid #eee;
  padding: 2rem;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--fg-muted);
  letter-spacing: 0;
  transition: border-color 260ms ease;
}
.site-footer p {
  margin: 0;
  transition: opacity 260ms ease;
}

/* Hide the footer divider and copyright text while a home-page hover preview is showing */
body.preview-open .site-footer { border-top-color: transparent; }
body.preview-open .site-footer p { opacity: 0; }