/* Lucy Rappolt Photography — Shared Styles */
@import url('https://fonts.googleapis.com/css2?family=Jost:wght@200;300;400&display=swap');

:root {
  --paper: #f9f7f4;
  --ink: #2a2a2a;
  --muted: #888;
  --mid: #999;
  --sans: 'Jost', sans-serif;
  --transition: 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body { font-family: var(--sans); background: var(--paper); color: var(--ink); font-weight: 300; }

/* ---- SITE WRAPPER ---- */
.site-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--paper);
}

/* ---- NAV ---- */
nav {
  position: sticky; top: 0; z-index: 100;
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center; padding: 0.8rem 2.5rem;
  background: rgba(249,247,244,0.97); border-bottom: 1px solid rgba(0,0,0,0.06);
}
.nav-left { }
.nav-logo img { height: 100px; display: block; mix-blend-mode: multiply; }
.nav-right { display: flex; justify-content: flex-end; }
.nav-links { list-style: none; display: flex; gap: 2rem; }
.nav-links a {
  font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
  font-weight: 300; color: var(--muted); text-decoration: none;
  transition: color var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }

/* ---- GALLERY TABS ---- */
.gallery-tabs {
  display: flex; gap: 2rem; padding: 0 6rem;
  border-bottom: 1px solid rgba(0,0,0,0.08); background: var(--paper);
}
.tab {
  font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase;
  font-weight: 300; color: var(--muted); text-decoration: none;
  padding: 0.9rem 0; border-bottom: 1.5px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); border-bottom-color: var(--ink); }

/* ---- GALLERY — ROW LAYOUT ---- */
.gallery-section { padding: 3rem 4rem 5rem; }
.g-row { display: flex; gap: 12px; margin-bottom: 12px; align-items: flex-start; }
.g-item { flex-shrink: 0; cursor: pointer; overflow: hidden; }
.g-item img { width: 100%; display: block; transition: opacity 0.4s; }
.g-item:hover img { opacity: 0.85; }

/* Pattern repeats every 13 items — irregular, all portrait-shaped cells */
/* Row group 1: 3 cols — small | large tall | small */
.g-item:nth-child(13n+1)  { grid-column: span 3; grid-row: span 4; }
.g-item:nth-child(13n+2)  { grid-column: span 6; grid-row: span 7; }
.g-item:nth-child(13n+3)  { grid-column: span 3; grid-row: span 4; }
/* Row group 2: fills under 1 and 3, plus a wide tall */
.g-item:nth-child(13n+4)  { grid-column: span 3; grid-row: span 5; }
.g-item:nth-child(13n+5)  { grid-column: span 3; grid-row: span 5; }
/* Row group 3: 4-col, 4-col, 4-col */
.g-item:nth-child(13n+6)  { grid-column: span 4; grid-row: span 6; }
.g-item:nth-child(13n+7)  { grid-column: span 4; grid-row: span 6; }
.g-item:nth-child(13n+8)  { grid-column: span 4; grid-row: span 6; }
/* Row group 4: one big, two small stacked */
.g-item:nth-child(13n+9)  { grid-column: span 5; grid-row: span 7; }
.g-item:nth-child(13n+10) { grid-column: span 4; grid-row: span 4; }
.g-item:nth-child(13n+11) { grid-column: span 3; grid-row: span 4; }
/* Row group 5: two side by side, different heights */
.g-item:nth-child(13n+12) { grid-column: span 5; grid-row: span 5; }
.g-item:nth-child(13n+0)  { grid-column: span 7; grid-row: span 5; }

/* ---- LIGHTBOX ---- */
.lightbox {
  display: none; position: fixed; inset: 0; z-index: 1000;
  background: rgba(26,25,22,0.97); align-items: center; justify-content: center;
}
.lightbox.open { display: flex; }
.lightbox img { max-height: 90vh; max-width: 88vw; object-fit: contain; }
.lb-close {
  position: absolute; top: 2rem; right: 2.5rem;
  font-family: var(--sans); font-size: 0.6rem; letter-spacing: 0.25em;
  text-transform: uppercase; color: rgba(255,255,255,0.45);
  cursor: pointer; background: none; border: none; transition: color 0.3s;
}
.lb-close:hover { color: white; }
.lb-prev, .lb-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; padding: 1.5rem 2rem;
  opacity: 0.35; transition: opacity 0.3s;
}
.lb-prev:hover, .lb-next:hover { opacity: 1; }
.lb-prev { left: 0.5rem; } .lb-next { right: 0.5rem; }
.lb-prev svg, .lb-next svg { width: 22px; height: 22px; stroke: white; fill: none; stroke-width: 1.5; }
.lb-counter {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  font-family: var(--sans); font-size: 0.55rem; letter-spacing: 0.25em; color: rgba(255,255,255,0.35);
}

/* ---- EMPTY GALLERY PLACEHOLDER ---- */
.gallery-placeholder {
  padding: 6rem 4rem; text-align: center;
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 650px) {
  .gallery-section { padding: 1rem; }
  .gallery-tabs { padding: 0 1.5rem; gap: 1.2rem; }
  nav { padding: 0.8rem 1.5rem; }
  .nav-logo img { height: 55px; }
  .g-row { gap: 6px; margin-bottom: 6px; }
}