/* ============================================================
   Selwyn van der Kleijn Photography — Dark & Moody, Grid Minimalist
   ============================================================ */

:root {
  --bg: #0a0a0a;
  --bg-elev: #141414;
  --fg: #e6e6e6;
  --fg-dim: #888;
  --fg-faint: #4a4a4a;
  --border: #1f1f1f;
  --accent: #ffffff;
  --gap: clamp(6px, 1vw, 12px);
  --page-pad: clamp(18px, 3vw, 40px);
  --max-w: 1600px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
}

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

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

/* ---------- Header / Nav ---------- */
.site-header {
  padding: var(--page-pad);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.site-title {
  margin: 0;
  font-size: clamp(14px, 1.4vw, 17px);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-title a { color: var(--fg); }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--fg-dim);
  transition: color .2s ease;
}

.site-nav a:hover, .site-nav a.active { color: var(--fg); }

/* ---------- Page content ---------- */
main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--page-pad);
}

.page-title {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 300;
  letter-spacing: 0.04em;
  margin: 8px 0 4px;
}

.page-sub {
  color: var(--fg-dim);
  margin: 0 0 16px;
  font-size: 14px;
  letter-spacing: 0.05em;
}

.page-intro {
  max-width: 72ch;
  font-size: clamp(14px, 1.2vw, 16px);
  color: var(--fg-dim);
  line-height: 1.75;
  margin: 0 0 36px;
  font-weight: 300;
}

/* ---------- Home hero ---------- */
.hero {
  padding: clamp(40px, 8vw, 120px) var(--page-pad) clamp(30px, 5vw, 60px);
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero h2 {
  margin: 0 0 16px;
  font-weight: 300;
  font-size: clamp(26px, 4.5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.hero p {
  max-width: 60ch;
  color: var(--fg-dim);
  font-size: clamp(15px, 1.3vw, 18px);
}

/* ---------- Category grid (home) ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--gap);
  padding: 0 var(--page-pad) clamp(40px, 6vw, 80px);
  max-width: var(--max-w);
  margin: 0 auto;
}

.category-card {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--bg-elev);
  border: 1px solid var(--border);
}

.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%) brightness(0.75);
  transition: filter .5s ease, transform .8s ease;
}

.category-card:hover img {
  filter: grayscale(0%) brightness(0.95);
  transform: scale(1.03);
}

.category-card .label {
  position: absolute;
  inset: auto 0 0 0;
  padding: 18px 20px;
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: linear-gradient(to top, rgba(0,0,0,0.85), rgba(0,0,0,0));
}

.category-card .count {
  display: block;
  color: var(--fg-dim);
  font-size: 11px;
  letter-spacing: 0.15em;
  margin-top: 4px;
}

/* ---------- Photo grid (galleries) ---------- */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  grid-auto-rows: 200px;
  grid-auto-flow: dense;
  gap: var(--gap);
}

.photo-grid .tile {
  position: relative;
  overflow: hidden;
  background: var(--bg-elev);
  grid-row: span 2;
}

.photo-grid .tile.tall  { grid-row: span 3; }
.photo-grid .tile.wide  { grid-column: span 2; grid-row: span 2; }

.photo-grid .tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease, filter .4s ease;
  filter: brightness(0.9);
}

.photo-grid .tile:hover img {
  transform: scale(1.04);
  filter: brightness(1);
}

/* Subtle frame on hover */
.photo-grid .tile::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  pointer-events: none;
  transition: border-color .2s ease;
}
.photo-grid .tile:hover::after { border-color: rgba(255,255,255,0.15); }

/* ---------- About / Contact ---------- */
.prose {
  max-width: 65ch;
  font-size: clamp(15px, 1.3vw, 17px);
  color: var(--fg);
}
.prose p { margin: 0 0 1.2em; color: var(--fg); }
.prose p.muted { color: var(--fg-dim); }
.prose a { color: var(--fg); border-bottom: 1px solid var(--fg-faint); }
.prose a:hover { border-color: var(--fg); }

.contact-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 10px;
  font-size: 15px;
}
.contact-list li { color: var(--fg-dim); }
.contact-list strong {
  display: inline-block;
  min-width: 90px;
  color: var(--fg);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 60px;
  padding: 28px var(--page-pad);
  border-top: 1px solid var(--border);
  color: var(--fg-dim);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.96);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 40px;
}
.lightbox.open { display: flex; }

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8);
}

.lightbox .lb-caption {
  position: absolute;
  left: 0; right: 0; bottom: 20px;
  text-align: center;
  color: var(--fg-dim);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.lightbox .lb-btn {
  position: absolute;
  background: transparent;
  border: none;
  color: var(--fg);
  cursor: pointer;
  font-size: 28px;
  padding: 12px 16px;
  opacity: 0.6;
  transition: opacity .2s ease;
  font-family: inherit;
}
.lightbox .lb-btn:hover { opacity: 1; }
.lightbox .lb-close { top: 12px; right: 16px; }
.lightbox .lb-prev  { left: 12px; top: 50%; transform: translateY(-50%); }
.lightbox .lb-next  { right: 12px; top: 50%; transform: translateY(-50%); }

/* ---------- Contact form ---------- */
.contact-form {
  margin-top: 40px;
  max-width: 680px;
  display: grid;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-group label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: inherit;
  font-size: 14px;
  font-weight: 300;
  padding: 12px 14px;
  border-radius: 0;
  outline: none;
  transition: border-color .2s ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--fg-dim);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--fg-faint);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

.form-submit {
  align-self: start;
  background: transparent;
  border: 1px solid var(--fg-dim);
  color: var(--fg);
  font-family: inherit;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 14px 32px;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.form-submit:hover {
  border-color: var(--fg);
  background: var(--fg);
  color: var(--bg);
}

.form-submit:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.form-status {
  font-size: 13px;
  margin: 0;
  padding: 0;
  min-height: 1em;
}

.form-status.success { color: #7fc47f; }
.form-status.error   { color: #c47f7f; }

/* ---------- Small screens ---------- */
@media (max-width: 600px) {
  .photo-grid { grid-auto-rows: 160px; }
  .photo-grid .tile.wide { grid-column: span 1; }
  .site-nav { gap: 14px; font-size: 12px; }
  .form-row { grid-template-columns: 1fr; }
}