/* ─────────────────────────────────────────────────
   Louis Lamprecht — shared styles (all pages)
   ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #080705; --surface: #111009; --card: #151310; --text: #e6ddd0;
  --muted: #7a6e62; --faint: #2a2520;
  --bg-rgb: 8, 7, 5;                 /* used for overlays/scrims so they follow the theme */
  --accent: oklch(0.70 0.09 58);
  --ff-display: 'Cormorant Garamond', serif;
  --ff-mono: 'Space Mono', monospace;
  --fs-label: 0.68rem;               /* primary mono labels (nav, section labels, tags) */
  --fs-label-sm: 0.62rem;            /* tertiary mono labels (years, counters, footer) */
  --photo-cols: 3;
}
.light {
  --bg: #f5f2ee; --surface: #eeeae4; --card: #e8e3dc;
  --text: #1a1510; --muted: #6d6156; --faint: #d0c8be;
  --bg-rgb: 245, 242, 238;
}

html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--ff-display); font-weight: 300; overflow-x: hidden; transition: background 0.4s ease, color 0.4s ease; }

/* Keyboard focus */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ── NAV ────────────────────────────────────────── */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 2rem 3.5rem; }
nav::before { content: ''; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(var(--bg-rgb), 0.92) 0%, transparent 100%); pointer-events: none; }
.nav-logo { text-decoration: none; display: flex; align-items: center; opacity: 0.92; transition: opacity 0.3s; font-family: var(--ff-display); font-size: 1rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text); position: relative; }
.nav-logo:hover { opacity: 1; }
.nav-links { display: flex; gap: 2.4rem; list-style: none; position: relative; align-items: center; }
.nav-links a { font-family: var(--ff-mono); font-size: var(--fs-label); letter-spacing: 0.24em; text-transform: uppercase; color: var(--muted); text-decoration: none; transition: color 0.3s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }

.mode-toggle { background: none; border: 1px solid var(--faint); color: var(--muted); font-family: var(--ff-mono); font-size: var(--fs-label-sm); letter-spacing: 0.2em; text-transform: uppercase; padding: 0.4em 0.8em; cursor: pointer; transition: all 0.2s; position: relative; z-index: 1; }
.mode-toggle:hover { border-color: var(--muted); color: var(--text); }

.nav-menu-btn { display: none; background: none; border: none; color: var(--muted); cursor: pointer; padding: 0; position: relative; z-index: 101; flex-direction: column; gap: 5px; }
.nav-menu-btn span { display: block; width: 22px; height: 1px; background: var(--text); transition: all 0.3s; }
.nav-menu-btn.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-menu-btn.open span:nth-child(2) { opacity: 0; }
.nav-menu-btn.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(var(--bg-rgb), 0.97); z-index: 99; flex-direction: column; align-items: center; justify-content: center; gap: 2.5rem; }
.nav-mobile-overlay.open { display: flex; }
.nav-mobile-overlay a { font-family: var(--ff-display); font-size: 2.2rem; font-weight: 300; letter-spacing: 0.05em; color: var(--muted); text-decoration: none; transition: color 0.3s; }
.nav-mobile-overlay a:hover { color: var(--text); }

/* Hamburger kicks in early enough that the link row never overflows */
@media (max-width: 900px) {
  nav { padding: 1.5rem 1.8rem; }
  .nav-links { display: none; }
  .nav-menu-btn { display: flex; }
}

/* ── SUB-PAGE HEADER ───────────────────────────── */
.page-header { padding: 10rem 3.5rem 3rem; }
.page-title { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 300; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.page-sub { font-family: var(--ff-mono); font-size: var(--fs-label-sm); letter-spacing: 0.25em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 900px) { .page-header { padding: 8rem 1.8rem 2rem; } }

/* ── FOOTER ─────────────────────────────────────── */
footer { background: var(--bg); display: flex; justify-content: space-between; align-items: center; padding: 2.5rem 3.5rem; border-top: 1px solid var(--faint); }
footer.footer-spaced { margin-top: 4rem; }
.footer-copy { font-family: var(--ff-mono); font-size: var(--fs-label-sm); letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 900px) { footer { padding: 2rem 1.8rem; } }

/* ── BUTTON LINK ───────────────────────────────── */
.gallery-link { font-family: var(--ff-mono); font-size: var(--fs-label); letter-spacing: 0.25em; text-transform: uppercase; color: var(--accent); text-decoration: none; border: 1px solid var(--accent); padding: 0.8em 2em; transition: background 0.3s, color 0.3s; display: inline-block; }
.gallery-link:hover { background: var(--accent); color: var(--bg); }

/* ── PHOTO FILTERS ─────────────────────────────── */
.photo-filters { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0 3.5rem; margin-bottom: 2rem; }
.photo-filter-btn { font-family: var(--ff-mono); font-size: var(--fs-label-sm); letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); background: none; border: 1px solid var(--faint); padding: 0.5em 1.2em; cursor: pointer; transition: color 0.3s, border-color 0.3s; }
.photo-filter-btn:hover { color: var(--text); border-color: var(--muted); }
.photo-filter-btn.active { color: var(--accent); border-color: var(--accent); }

/* ── PHOTO GRID ────────────────────────────────── */
.photo-grid { display: grid; grid-template-columns: repeat(var(--photo-cols), 1fr); grid-auto-flow: dense; gap: 0.6rem; padding: 0 3.5rem; }
.photo-item { position: relative; overflow: hidden; cursor: pointer; }
.photo-item::after { content: ''; position: absolute; inset: 0; background: rgba(var(--bg-rgb), 0); transition: background 0.4s ease; }
.photo-item:hover::after { background: rgba(var(--bg-rgb), 0.3); }
.photo-item.tall { grid-row: span 2; }
.photo-item.wide { grid-column: span 2; }
.photo-img { width: 100%; height: 100%; min-height: 240px; object-fit: cover; display: block; transition: transform 0.8s cubic-bezier(0.25,0.46,0.45,0.94); }
.photo-item:hover .photo-img { transform: scale(1.04); }
.photo-caption { position: absolute; bottom: 0; left: 0; right: 0; padding: 1.5rem; background: linear-gradient(to top, rgba(var(--bg-rgb), 0.85) 0%, transparent 100%); transform: translateY(100%); transition: transform 0.4s ease; z-index: 1; }
.photo-item:hover .photo-caption { transform: translateY(0); }
.photo-caption-title { font-family: var(--ff-mono); font-size: var(--fs-label-sm); letter-spacing: 0.28em; text-transform: uppercase; color: var(--text); }
.photo-caption-loc { font-size: 0.85rem; font-style: italic; color: var(--muted); margin-top: 0.25rem; }
@media (max-width: 900px) {
  .photo-filters { padding: 0 1.8rem; }
  .photo-grid { padding: 0 1.8rem; grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .photo-grid { grid-template-columns: 1fr; }
  .photo-item.tall, .photo-item.wide { grid-row: span 1; grid-column: span 1; }
  .photo-caption { transform: translateY(0); }
}

/* ── PHOTO LIGHTBOX ────────────────────────────── */
#photo-lightbox { display: none; position: fixed; inset: 0; z-index: 500; background: rgba(var(--bg-rgb), 0.97); align-items: center; justify-content: center; }
.plb-img { max-width: 90vw; max-height: 85vh; object-fit: contain; display: block; }
.plb-nav { position: absolute; top: 50%; transform: translateY(-50%); background: none; border: 1px solid var(--faint); color: var(--muted); font-size: 1.2rem; width: 48px; height: 48px; cursor: pointer; transition: all 0.2s; display: flex; align-items: center; justify-content: center; font-family: var(--ff-mono); }
.plb-nav:hover { border-color: var(--text); color: var(--text); }
.plb-prev { left: 2rem; }
.plb-next { right: 2rem; }
.plb-close { position: absolute; top: 2rem; right: 2rem; background: none; border: none; color: var(--muted); font-size: 2rem; cursor: pointer; line-height: 1; }
.plb-caption { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); font-family: var(--ff-mono); font-size: var(--fs-label-sm); letter-spacing: 0.28em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.plb-placeholder { width: min(800px,90vw); aspect-ratio: 4/3; background: var(--card); display: flex; align-items: center; justify-content: center; font-family: var(--ff-mono); font-size: var(--fs-label-sm); letter-spacing: 0.2em; color: var(--faint); text-transform: uppercase; }

/* ── VIDEO LIGHTBOX ────────────────────────────── */
.video-lightbox { display: none; position: fixed; inset: 0; z-index: 500; background: rgba(var(--bg-rgb), 0.96); align-items: center; justify-content: center; flex-direction: column; }
.vlb-close { position: absolute; top: 2rem; right: 2rem; background: none; border: none; color: var(--muted); font-size: 2rem; cursor: pointer; font-family: var(--ff-mono); line-height: 1; }
.vlb-meta { font-family: var(--ff-mono); font-size: var(--fs-label-sm); letter-spacing: 0.3em; text-transform: uppercase; color: var(--muted); margin-bottom: 1.5rem; text-align: center; }
.vlb-frame { width: min(900px,92vw); aspect-ratio: 16/9; background: #000; position: relative; }
.vlb-frame iframe { width: 100%; height: 100%; display: block; border: 0; }
.vlb-no-video { display: none; width: min(900px,92vw); font-family: var(--ff-mono); font-size: var(--fs-label-sm); letter-spacing: 0.25em; text-transform: uppercase; color: var(--faint); text-align: center; padding: 4rem 2rem; border: 1px solid var(--faint); }