:root {
  --text: #666;
  --ink: #111;
  --head: #444;
  --muted: #8a8a8a;
  --line: #e6e6e6;
  --bg: #fff;
  --radius: 10px;
  --gap: 14px;
  --sans: "Open Sans", Arial, sans-serif;
  --display: Montserrat, Helvetica, Arial, sans-serif;
  --mono: "PT Mono", ui-monospace, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 15px/1.7 var(--sans);
}
img, video, iframe { display: block; max-width: 100%; }
a { color: var(--ink); }
a:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 4px; }

.wrap { width: min(1200px, 100% - 32px); margin-inline: auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- header */
.site-header { padding: 40px 0 36px; }
.brand { display: inline-flex; align-items: flex-end; gap: 10px; text-decoration: none; color: var(--head); }
.brand img { width: 64px; height: auto; }
.brand span { font: 400 clamp(26px, 4vw, 34px)/1 var(--mono); letter-spacing: -0.01em; padding-bottom: 2px; }

.nav { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 12px 32px; margin-top: 26px; font: 600 16px/1.4 var(--display); }
.nav a { color: var(--ink); text-decoration: none; text-underline-offset: 6px; text-decoration-thickness: 2px; }
.nav a:hover, .nav a[aria-current="page"] { text-decoration: underline; }
.nav-services { display: flex; flex-wrap: wrap; gap: 4px 10px; }

/* ---------- masonry grid */
.masonry { columns: 3 300px; column-gap: var(--gap); }
.tile { display: block; break-inside: avoid; margin-bottom: var(--gap); border-radius: var(--radius); overflow: hidden; background: #f2f2f2; }
.tile img { width: 100%; height: auto; transition: transform .5s ease, opacity .3s; }
.tile:hover img { transform: scale(1.03); }
@media (max-width: 640px) {
  .masonry { columns: 2; --gap: 10px; }
}

/* ---------- service intro */
.intro { max-width: 760px; margin-bottom: 40px; }
.intro h1, .project h1, .contact h1 { font: 600 clamp(26px, 3vw, 34px)/1.2 var(--display); color: var(--head); margin: 0 0 18px; }
.de { font-style: italic; }
.intro .de { margin-top: 28px; }

/* ---------- project */
.project { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.project .hero { display: block; border-radius: var(--radius); overflow: hidden; }
.project .hero img { width: 100%; height: auto; }
.project .text { position: sticky; top: 32px; font-size: 14.5px; }
.project .meta { color: var(--head); }
.back { display: inline-block; margin-top: 12px; font: 600 15px var(--display); text-decoration: none; }
.back:hover { text-decoration: underline; text-underline-offset: 5px; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--gap); margin-top: 48px; }
.gallery a { display: block; border-radius: var(--radius); overflow: hidden; }
.gallery img { width: 100%; height: auto; aspect-ratio: 400 / 284; object-fit: cover; transition: transform .5s ease; }
.gallery a:hover img { transform: scale(1.04); }
.media { width: 100%; margin-top: 48px; border-radius: var(--radius); background: #000; }
.embed { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
@media (max-width: 860px) {
  .project { grid-template-columns: 1fr; gap: 24px; }
  .project .text { position: static; }
}

/* ---------- contact */
.contact { display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px; max-width: 1100px; }
.contact h2 { font: 600 18px/1.3 var(--display); color: var(--head); margin: 0 0 14px; }
.contact address { font-style: normal; color: var(--head); margin-top: 28px; }
.tech { list-style: none; padding: 0; margin: 0; }
.tech li { padding: 10px 0; border-top: 1px solid var(--line); color: var(--head); }
.tech li span { color: var(--muted); font-size: 14px; }
@media (max-width: 760px) { .contact { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- footer */
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin-top: 72px; padding: 24px 0 40px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.site-footer a { color: var(--muted); }

/* ---------- lightbox */
.lb { border: 0; padding: 0; margin: 0; width: 100vw; height: 100vh; max-width: none; max-height: none; background: rgba(15, 15, 15, .94); color: #fff; }
.lb::backdrop { background: transparent; }
.lb figure { margin: 0; height: 100%; display: grid; place-items: center; padding: 56px 64px; }
.lb img { max-width: 100%; max-height: calc(100vh - 112px); width: auto; height: auto; border-radius: 6px; }
.lb button { position: absolute; background: none; border: 0; color: #fff; font: 300 40px/1 var(--sans); cursor: pointer; padding: 12px 16px; opacity: .8; }
.lb button:hover, .lb button:focus-visible { opacity: 1; }
.lb .close { top: 8px; right: 8px; font-size: 34px; }
.lb .prev { left: 4px; top: 50%; transform: translateY(-50%); }
.lb .next { right: 4px; top: 50%; transform: translateY(-50%); }
@media (max-width: 640px) { .lb figure { padding: 56px 12px; } .lb .prev, .lb .next { top: auto; bottom: 8px; transform: none; } }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }