:root {
  --bg: #ffffff; --fg: #1d2330; --muted: #5b6475; --accent: #2f4a61; --line: #e3e7ee; --card: #f6f8fb;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #11151c; --fg: #e8ecf2; --muted: #9aa4b5; --accent: #8fb3d3; --line: #263040; --card: #182030; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
header { border-bottom: 1px solid var(--line); }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.4rem; letter-spacing: .02em; color: var(--fg); text-decoration: none; }
nav a { margin-left: 20px; color: var(--muted); text-decoration: none; font-weight: 500; }
nav a:first-child { margin-left: 0; }
nav a[aria-current="page"], nav a:hover { color: var(--accent); }
.hero { width: 100%; height: auto; display: block; aspect-ratio: 1500 / 430; object-fit: cover; }
main.wrap { padding-block: 40px 56px; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.2; margin: 0 0 16px; }
h2 { font-size: 1.4rem; margin: 40px 0 12px; }
h3 { font-size: 1.05rem; margin: 28px 0 6px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
p { margin: 0 0 14px; max-width: 70ch; }
.lead { font-size: 1.15rem; color: var(--muted); }
.clients { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 20px; }
.client-group { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 20px; }
.client-group h2 { margin-top: 0; font-size: 1.1rem; }
.logos { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.logos img { background: #fff; padding: 8px; border-radius: 6px; max-width: 170px; height: auto; }
.contact { display: flex; flex-wrap: wrap; gap: 12px 24px; padding: 0; list-style: none; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
footer .wrap { padding-block: 20px; }
.brand img { display: block; height: 40px; width: auto; background: #fff; border-radius: 6px; padding: 3px 6px; }
section[id] { scroll-margin-top: 16px; }
.intro { padding-block: 8px 8px; }
.intro .lead { font-size: 1.2rem; }
.services { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; padding: 0; list-style: none; }
.services li { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; font-weight: 500; }
.approach { padding: 0; list-style: none; }
.approach li { margin-bottom: 10px; max-width: 70ch; }
.portfolio { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 140px)); gap: 14px; }
.portfolio a { display: block; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 8px; text-decoration: none; }
.portfolio a:hover { border-color: var(--accent); }
.portfolio img { width: 100%; height: auto; display: block; }
.portfolio span { display: block; text-align: center; font-size: .8rem; color: #444; margin-top: 4px; }
.past { display: flex; flex-wrap: wrap; gap: 10px 18px; padding: 0; list-style: none; }
.past li { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--muted); }
.past img { width: 32px; height: 32px; border-radius: 6px; background: #fff; padding: 2px; border: 1px solid var(--line); }