:root {
  --bg: #f5f2ec;
  --ink: #1d1b18;
  --muted: #6d665c;
  --line: #dcd5c9;
  --accent: #974a2c;
  --field: #fffdf9;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --gutter: clamp(16px, 4vw, 48px);
  --row: 230px; /* target gallery row height */
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

h1, h2, h3 { font-family: var(--serif); font-weight: 300; line-height: 1.15; margin: 0; }

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: 18px var(--gutter);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font: 400 26px/1 var(--serif);
  text-decoration: none;
  white-space: nowrap;
}

.site-header nav { display: flex; flex-wrap: wrap; gap: 6px 24px; font-size: 14px; }
.site-header nav a { text-decoration: none; color: var(--muted); }
.site-header nav a:hover, .site-header nav a[aria-current] { color: var(--ink); }
.site-header nav a[aria-current] { text-decoration: underline; }

/* Intro */

.intro { padding: clamp(48px, 9vw, 120px) var(--gutter) clamp(32px, 5vw, 64px); max-width: 1100px; }
.intro h1 { font-size: clamp(32px, 5.2vw, 64px); letter-spacing: -0.01em; }
.intro p { margin: 20px 0 0; color: var(--muted); font-size: 17px; }

/* Gallery: justified rows. Each photo grows in proportion to its aspect
   ratio (--r), so every photo in a row ends up the same height and nothing
   is cropped. The ::after spacer keeps the last row from stretching. */

.work { padding: 0 var(--gutter); }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.filters button {
  font: 500 13px/1 var(--sans);
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.filters button:hover { color: var(--ink); border-color: var(--ink); }
.filters button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }

.gallery { display: flex; flex-wrap: wrap; gap: 8px; }
.gallery::after { content: ""; flex: 1e6 1 0; }
.gallery figure { margin: 0; flex: var(--r) 1 calc(var(--r) * var(--row)); }
.gallery figure[hidden] { display: none; }

.gallery a, .project-images a { display: block; background: var(--line); cursor: zoom-in; }
.gallery img, .project-images img { display: block; width: 100%; height: auto; transition: opacity 0.2s; }
.gallery a:hover img, .project-images a:hover img { opacity: 0.88; }

/* About + contact */

.about, .contact {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) minmax(0, 2fr);
  gap: 24px clamp(24px, 5vw, 80px);
  padding: clamp(56px, 9vw, 120px) var(--gutter) 0;
  max-width: 1200px;
}
.about h2, .contact h2 { font-size: clamp(28px, 3.5vw, 40px); }
.about-body p { margin: 0 0 1em; font-size: 18px; max-width: 62ch; }
.about-body p:first-child { font: 300 clamp(22px, 2.4vw, 28px)/1.35 var(--serif); }
.services { grid-column: 2; border-top: 1px solid var(--line); padding-top: 20px; }
.services h3 { font: 500 13px/1 var(--sans); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.services ul { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 16px 0 0; }
.services a { display: block; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; text-decoration: none; }
.services a:hover { border-color: var(--accent); }

.contact form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 720px; }
.contact label { display: grid; gap: 6px; font-size: 13px; font-weight: 500; color: var(--muted); }
.contact .wide { grid-column: 1 / -1; }
.contact input, .contact select, .contact textarea {
  font: 16px/1.4 var(--sans);
  color: var(--ink);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--field);
  width: 100%;
}
.contact input:focus, .contact select:focus, .contact textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
.contact .honey { display: none; }
.actions { display: flex; align-items: center; gap: 16px; }
.actions button {
  font: 500 15px/1 var(--sans);
  padding: 14px 28px;
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  cursor: pointer;
}
.actions button:hover { background: var(--accent); }
.actions button:disabled { opacity: 0.5; cursor: progress; }
.status { margin: 0; color: var(--muted); font-size: 14px; }

/* Architecture projects */

.projects { display: grid; gap: clamp(56px, 8vw, 104px); padding: 0 var(--gutter); }
.project { display: grid; grid-template-columns: minmax(0, 3fr) minmax(220px, 2fr); gap: clamp(20px, 4vw, 56px); align-items: end; }
.project:nth-child(even) .project-images { order: 2; justify-items: end; }
.project-images { display: grid; gap: 8px; align-items: start; }
.project-images[data-count="2"] { grid-template-columns: 1fr 1fr; }
.project-images a { width: fit-content; max-width: 100%; }
.project-images img { width: auto; max-width: 100%; max-height: 78vh; }
.project-text .kind { font: 500 13px/1 var(--sans); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 0 0 12px; }
.project-text h2 { font-size: clamp(30px, 3.6vw, 44px); margin-bottom: 12px; }
.project-text p:last-child { font-size: 17px; max-width: 46ch; margin: 0; }

/* Footer */

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  margin-top: clamp(72px, 10vw, 140px);
  padding: 28px var(--gutter);
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}
.site-footer p { margin: 0; }

/* Lightbox */

.lightbox {
  width: 100vw;
  height: 100dvh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: #161412;
  color: #f5f2ec;
}
.lightbox[open] { display: grid; grid-template-columns: 64px 1fr 64px; align-items: center; }
.lightbox::backdrop { background: transparent; }
.lightbox figure { margin: 0; display: grid; justify-items: center; gap: 14px; grid-column: 2; }
.lightbox img { max-width: 100%; max-height: calc(100dvh - 120px); object-fit: contain; }
.lightbox figcaption { text-align: center; font-size: 14px; color: #c9c1b4; max-width: 60ch; }
.lightbox figcaption strong { display: block; font: 400 20px/1.3 var(--serif); color: #f5f2ec; }
.lightbox button {
  background: none;
  border: 0;
  color: #f5f2ec;
  font-size: 44px;
  line-height: 1;
  cursor: pointer;
  opacity: 0.7;
  height: 100%;
}
.lightbox button:hover { opacity: 1; }
.lb-close { position: absolute; top: 12px; right: 16px; height: auto !important; font-size: 36px !important; }

/* Screen sizes */

@media (min-width: 1400px) {
  :root { --row: 280px; }
}


@media (max-width: 900px) {
  :root { --row: 180px; }
  .about, .contact { grid-template-columns: 1fr; }
  .services { grid-column: auto; }
  .project { grid-template-columns: 1fr; }
  .project:nth-child(even) .project-images { order: 0; justify-items: start; }
}

@media (max-width: 560px) {
  :root { --row: 120px; }
  .site-header { flex-direction: column; gap: 10px; }
  .site-header nav { gap: 6px 16px; font-size: 13px; }
  .nav-long { display: none; }
  .gallery { gap: 4px; }
  .contact form { grid-template-columns: 1fr; }
  .lightbox[open] { grid-template-columns: 0 1fr 0; }
  .lb-prev, .lb-next { display: none; }
}