/* Palette and feel modeled on watermark.org: charcoal, sand, blue-gray, square corners,
   small uppercase tracked buttons, full-bleed photography. */
:root {
  --charcoal: #28312f;
  --onyx: #1e2321;
  --feldgrau: #48565a;
  --sand: #f5f4f0;
  --haze: #dfdeda;
  --concrete: #cac8c4;
  --boulder: #94998c;
  --glacier: #48565a;
  --accent-btn: #48565a;
  --accent-btn-dark: #28312f;
  --accent-text: #48565a;
  --max: 1140px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Lato", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--charcoal);
  background: #fff;
  line-height: 1.7;
}
h1, h2, h3 {
  font-family: "Oswald", "Arial Narrow", sans-serif;
  color: var(--charcoal);
  line-height: 1.15;
  letter-spacing: 0.5px;
  margin: 0 0 0.5em;
  font-weight: 500;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }
a { color: var(--glacier); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
section { padding: 88px 0; }
.alt { background: var(--sand); }
.eyebrow {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.78rem;
  color: var(--accent-text);
  margin-bottom: 1em;
}
.lead { font-size: 1.15rem; color: var(--feldgrau); max-width: 680px; }

/* Header */
header {
  position: sticky; top: 0; z-index: 10;
  background: #fff;
  border-bottom: 1px solid var(--haze);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.wordmark {
  font-family: "Lato", sans-serif;
  font-size: 1rem; font-weight: 900; letter-spacing: 2.5px; text-transform: uppercase;
  text-decoration: none; margin: 0; white-space: nowrap; color: var(--charcoal);
}
.wordmark span { color: var(--accent-text); }
nav ul { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; align-items: center; }
nav a {
  text-decoration: none; font-weight: 700; font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: 1px; color: var(--feldgrau);
}
nav a:hover { color: var(--charcoal); }

.btn {
  display: inline-block;
  background: var(--accent-btn);
  color: #fff;
  padding: 14px 26px;
  border: 0;
  border-radius: 0;
  font-family: "Lato", sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { background: var(--accent-btn-dark); }
nav .btn { color: #fff; padding: 10px 16px; font-size: 0.72rem; }
.btn-light { background: #fff; color: var(--charcoal); }
.btn-light:hover { background: var(--haze); }
.hero .btn { background: #fff; color: var(--charcoal); }
.hero .btn:hover { background: var(--haze); }
.hero .btn-light { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.7); padding: 13px 25px; }
.hero .btn-light:hover { background: rgba(255,255,255,0.14); }

/* Hero: full-bleed photo, headline bottom-left */
.hero {
  min-height: min(86vh, 780px);
  display: flex; align-items: flex-end;
  padding: 120px 0 64px;
  color: #fff;
  background:
    linear-gradient(to top, rgba(30,35,33,0.92) 0%, rgba(30,35,33,0.55) 45%, rgba(30,35,33,0.15) 100%),
    url("images/31.jpg") center / cover no-repeat;
}
.hero h1 { color: #fff; max-width: 820px; }
.hero p { font-size: 1.2rem; max-width: 640px; color: #e8e8e4; }
.hero .eyebrow { color: #fff; }
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

/* Credential strip */
.facts { background: var(--onyx); color: #fff; padding: 0; }
.facts .wrap { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.fact { padding: 28px 24px; border-left: 1px solid rgba(255,255,255,0.14); }
.fact:first-child { border-left: 0; }
.fact strong { display: block; font-family: "Oswald", sans-serif; font-weight: 500; font-size: 1.9rem; line-height: 1.1; }
.fact span { font-size: 0.85rem; color: #c9cdc9; }

/* Cards */
.grid { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-top: 40px; }
.card { background: var(--sand); border-top: 3px solid var(--feldgrau); padding: 30px 26px; }
.card p { color: var(--feldgrau); margin: 0; }

/* Steps */
.steps { counter-reset: step; }
.step { position: relative; padding-top: 52px; border-top: 1px solid var(--concrete); }
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute; top: 12px; left: 0;
  font-family: "Oswald", sans-serif; font-size: 1.8rem; font-weight: 500;
  color: var(--accent-text);
}
.step p { color: var(--feldgrau); margin: 0; }

/* About */
.about { display: grid; gap: 48px; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 860px) { .about { grid-template-columns: 1.5fr 1fr; } }
.cred { background: #fff; border-top: 3px solid var(--feldgrau); padding: 28px 26px; }
.cred h3 { font-size: 1.1rem; text-transform: uppercase; letter-spacing: 1px; }
.cred ul { margin: 0; padding-left: 1.1em; color: var(--feldgrau); }
.cred li { margin-bottom: 0.7em; }
.byline { font-weight: 700; color: var(--charcoal); margin-bottom: 1.4em; }

/* Contact */
.contact { display: grid; gap: 48px; grid-template-columns: 1fr; }
@media (min-width: 800px) { .contact { grid-template-columns: 1fr 1.2fr; } }
form { display: grid; gap: 16px; }
label { font-weight: 700; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; display: grid; gap: 6px; color: var(--feldgrau); }
input, select, textarea {
  font: inherit; font-size: 1rem; text-transform: none; letter-spacing: normal; font-weight: 400;
  padding: 12px; border: 1px solid var(--concrete); border-radius: 0; background: #fff; color: var(--charcoal);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--glacier); border-color: var(--glacier); }
.note { font-size: 0.85rem; color: var(--feldgrau); }

footer { background: var(--onyx); color: #b8bdb8; padding: 40px 0; font-size: 0.9rem; }
footer .wordmark { color: #fff; }
footer a { color: #fff; }

/* Gallery and project timelines */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin: 24px 0 8px; }
.chip {
  font-family: "Lato", sans-serif; font-weight: 700; font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 1px;
  padding: 10px 18px; cursor: pointer; border-radius: 0;
  border: 1px solid var(--concrete); background: #fff; color: var(--feldgrau);
}
.chip.active { background: var(--charcoal); border-color: var(--charcoal); color: #fff; }
.gallery { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); margin-top: 24px; }
.gallery figure { margin: 0; position: relative; overflow: hidden; background: var(--haze); }
.gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.gallery figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 28px 14px 12px; font-size: 0.85rem; color: #fff;
  background: linear-gradient(transparent, rgba(30,35,33,0.88));
}
.gallery figure[hidden] { display: none; }
.stage {
  position: absolute; top: 10px; left: 10px;
  background: rgba(30,35,33,0.88); color: #fff;
  font-weight: 700; font-size: 0.7rem; letter-spacing: 1px; text-transform: uppercase;
  padding: 5px 10px;
}
.project-meta { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 20px 0 0; padding: 0; list-style: none; color: var(--feldgrau); font-size: 0.95rem; }
.project-meta strong { color: var(--charcoal); }

@media (max-width: 720px) {
  section { padding: 56px 0; }
  .hero { padding: 96px 0 48px; }
  .fact { border-left: 0; border-top: 1px solid rgba(255,255,255,0.14); }
  .fact:first-child { border-top: 0; }
}

/* Inner pages */
section h1 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
.page-head { padding: 64px 0 56px; }
nav a[aria-current="page"] { color: var(--charcoal); box-shadow: 0 2px 0 var(--charcoal); padding-bottom: 4px; }
nav a.btn[aria-current="page"] { box-shadow: none; padding-bottom: 10px; }
.more { margin: 32px 0 0; }
.cta { background: var(--charcoal); color: #fff; text-align: center; padding: 72px 0; }
.cta h2 { color: #fff; }
.cta .lead { margin-left: auto; margin-right: auto; color: #d6d9d6; }

/* Photo lightbox */
.gallery figure { cursor: zoom-in; }
.gallery figure:focus-visible { outline: 3px solid var(--charcoal); outline-offset: 2px; }
.gallery img { transition: transform 0.25s ease; }
.gallery figure:hover img { transform: scale(1.03); }
.lb {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(20, 24, 22, 0.98);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 56px 16px 24px;
}
.lb[hidden] { display: none; }
.lb img { max-width: min(96vw, 1500px); max-height: calc(100vh - 150px); width: auto; height: auto; min-width: min(90vw, 900px); object-fit: contain; background: #000; }
.lb .lb-cap { color: #e8e8e4; margin-top: 14px; text-align: center; max-width: 760px; font-size: 0.95rem; }
.lb .lb-count { color: #aab0aa; font-size: 0.8rem; letter-spacing: 1px; text-transform: uppercase; margin-top: 4px; }
.lb button {
  position: absolute; background: rgba(255,255,255,0.12); color: #fff; border: 0; cursor: pointer;
  width: 48px; height: 48px; font-size: 1.6rem; line-height: 1; border-radius: 0;
}
.lb button:hover { background: rgba(255,255,255,0.28); }
.lb button:focus-visible { outline: 2px solid #fff; }
.lb .lb-close { top: 12px; right: 12px; }
.lb .lb-prev { left: 12px; top: 50%; transform: translateY(-50%); }
.lb .lb-next { right: 12px; top: 50%; transform: translateY(-50%); }
@media (max-width: 720px) {
  .lb img { min-width: 0; max-width: 100vw; }
  .lb .lb-prev, .lb .lb-next { top: auto; bottom: 12px; transform: none; }
  .lb .lb-prev { left: 12px; } .lb .lb-next { right: 12px; }
}

.tag { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--boulder); margin: 0 0 0.6em; }
.card .tag { color: #6b7167; }
.rhythm { margin-top: 48px; background: #fff; border-top: 3px solid var(--feldgrau); padding: 28px 26px; }
.rhythm h3 { font-size: 1.1rem; text-transform: uppercase; letter-spacing: 1px; }
.rhythm ul { margin: 0; padding-left: 1.1em; color: var(--feldgrau); }
.rhythm li { margin-bottom: 0.7em; }

/* Mobile navigation */
.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; padding: 10px; cursor: pointer; flex-direction: column; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; height: 2px; background: var(--charcoal); transition: transform 0.2s, opacity 0.2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  header .nav { position: relative; }
  nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--haze); box-shadow: 0 12px 24px rgba(30,35,33,0.12); padding: 8px 16px 20px; }
  nav.open { display: block; }
  nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  nav li { border-bottom: 1px solid var(--haze); }
  nav li:last-child { border-bottom: 0; padding-top: 16px; }
  nav a { display: block; padding: 14px 0; font-size: 0.85rem; }
  nav a[aria-current="page"] { box-shadow: none; color: var(--charcoal); border-left: 3px solid var(--feldgrau); padding-left: 12px; }
  nav a.btn { text-align: center; padding: 14px 16px; }
  .hero .actions .btn { flex: 1 1 100%; text-align: center; }
  .grid, .gallery { grid-template-columns: 1fr; }
  .gallery { gap: 12px; }
  .page-head { padding: 44px 0 40px; }
  .cta { padding: 56px 0; }
  .project-meta { flex-direction: column; gap: 4px; }
}
@media (min-width: 541px) and (max-width: 860px) {
  .grid, .gallery { grid-template-columns: repeat(2, 1fr); }
}

/* Contact form status and spam trap */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin: 0; padding: 0; font-weight: 700; }
.form-status.ok, .form-status.err { padding: 14px 16px; }
.form-status.ok { background: #e6efe9; color: #1f4d33; border-left: 3px solid #2f7a50; }
.form-status.err { background: #f6e7e5; color: #7a2519; border-left: 3px solid #b0402f; }
.btn[disabled] { opacity: 0.6; cursor: default; }