/* Ostufer Studio concept demo — shared layout for the five-page site and the one-page sample.
   Tokens match HANSEWAY. Override :root for another business. */

:root {
  --ink: #121212;
  --muted: #5c5c5c;
  --line: #e4e0da;
  --sand: #f6f3ee;
  --white: #fff;
  --max: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
}
img { max-width: 100%; height: auto; display: block; }
picture { display: block; }
a { color: inherit; }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}
.btn:focus-visible {
  outline: 2px solid var(--sand);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px var(--ink);
}
.skip {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  transform: translateY(-150%);
  background: var(--white);
  color: var(--ink);
  padding: 0.5rem 0.8rem;
  z-index: 5;
  text-decoration: none;
}
.skip:focus { transform: none; }

.demo-banner {
  margin: 0;
  padding: 0.7rem 1.5rem;
  background: var(--ink);
  color: var(--white);
  font-size: 0.92rem;
}
.demo-banner a { color: var(--white); }

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem 1.25rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
}
.mark img { width: min(280px, 70vw); height: auto; }
a.mark {
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--ink);
}
.site-header nav { display: flex; flex-wrap: wrap; gap: 0.1rem 1rem; }
.site-header nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.92rem;
  text-underline-offset: 0.18em;
}
.site-header nav a[aria-current="page"] { font-weight: 600; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }
.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
h1, h2, h3 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink);
}
h1 { font-size: clamp(2rem, 4.6vw, 3.15rem); max-width: 14em; }
h2 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
h3 { font-size: 1.05rem; letter-spacing: -0.02em; }
p { margin: 0.75rem 0 0; color: var(--muted); max-width: 40rem; }

.hero-copy { padding: 2.25rem 0 1.5rem; }
.hero-figure { margin: 0; background: var(--sand); }
.hero-figure figcaption,
figure figcaption { padding: 0.4rem 1.5rem 0; font-size: 0.8rem; color: var(--muted); }

.btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 1.15rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
  font-size: 0.92rem;
  border: 0;
}
.btn:hover { opacity: 0.92; }
button.btn:disabled,
input:disabled,
textarea:disabled {
  opacity: 1;
  color: var(--ink);
  background: var(--sand);
  border: 1px solid var(--line);
  cursor: not-allowed;
}

.band { padding: 2.5rem 0; }
.band.sand { background: var(--sand); }
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.15rem;
}
.cards article { border-top: 1px solid var(--line); padding-top: 0.85rem; }
.cards p { margin: 0.4rem 0 0; font-size: 0.95rem; }
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}
.photo-grid.four { grid-template-columns: 1fr 1fr; }
.two {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.25rem;
  align-items: start;
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.15rem;
}
.steps article { border-top: 1px solid var(--line); padding-top: 0.75rem; }
.steps p { margin: 0.35rem 0 0; font-size: 0.92rem; }

form .field { margin-top: 0.85rem; max-width: 28rem; }
label { display: block; font-size: 0.88rem; color: var(--ink); margin-bottom: 0.3rem; }
input, textarea {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  padding: 0.65rem 0.7rem;
}
.form-note { color: var(--ink); max-width: 36rem; }

footer {
  padding: 1.3rem 0 2rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--muted);
}
footer a { color: var(--ink); }
footer p { margin: 0.35rem 0 0; font-size: 0.85rem; }

@media (max-width: 820px) {
  .cards, .photo-grid, .two, .steps { grid-template-columns: 1fr; }
  .hero-copy { padding-top: 1.5rem; }
}
@media (max-width: 640px) {
  .wrap, .demo-banner, .site-header { padding-left: 1.1rem; padding-right: 1.1rem; }
}