html { color-scheme: light; }
body { margin: 0; }
img { max-width: 100%; }
[hidden] { display: none !important; }

/* Layout: single column, generous whitespace; one thin arc in the hero is the only ornament. Services as a lettered index (A–E, from the catalog). */
:root {
  --bg: #F5F7F7;
  --surface: #FFFFFF;
  --fg: #16212A;
  --muted: #5B6873;
  --line: #D5DCE0;
  --accent: #1F5F7A;
  --display: "Familjen Grotesk", "Helvetica Neue", Arial, sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F161B; --surface: #151E24; --fg: #E6ECEF; --muted: #93A1AB; --line: #26323A; --accent: #6FB3CF;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0F161B; --surface: #151E24; --fg: #E6ECEF; --muted: #93A1AB; --line: #26323A; --accent: #6FB3CF;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  background: var(--bg); color: var(--fg);
  font-family: var(--body); font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px);
  z-index: 10; background: var(--bg);
}
.wrap {
  max-width: 1040px; margin: 0 auto;
  padding-left: max(24px, env(safe-area-inset-left, 0px));
  padding-right: max(24px, env(safe-area-inset-right, 0px));
}
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
}

/* Header */
header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--display); font-weight: 600; font-size: 19px; letter-spacing: -0.01em; }
.brand svg { flex: none; }
nav { display: flex; gap: 28px; }
nav a { text-decoration: none; font-size: 15px; color: var(--muted); }
nav a:hover { color: var(--fg); }

/* Hero */
.hero { position: relative; overflow: hidden; }
.hero .wrap { padding-block: 120px 112px; position: relative; }
.hero-arc { position: absolute; right: -120px; top: -40px; width: 620px; max-width: none; height: auto; pointer-events: none; }
.hero-arc path { fill: none; stroke: var(--accent); stroke-width: 1.25; opacity: .55; }
.hero-arc circle { fill: var(--accent); }
.eyebrow { font-family: var(--mono); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
h1 {
  font-family: var(--display); font-weight: 500; font-size: clamp(34px, 5vw, 56px);
  line-height: 1.05; letter-spacing: -0.025em; margin: 20px 0 24px;
}
h1 .line, h2 .line { display: block; }
h2.split { max-width: none; }
.principle { font-family: var(--mono); font-size: 14px; letter-spacing: .02em; color: var(--fg); margin: 28px 0 0; padding-left: 14px; border-left: 2px solid var(--accent); max-width: none; }
.lede { font-size: 20px; color: var(--muted); max-width: 46ch; margin: 0; }
.cta { display: inline-flex; align-items: center; gap: 10px; margin-top: 40px; padding: 14px 22px; background: var(--fg); color: var(--bg); text-decoration: none; font-size: 15px; font-weight: 500; border-radius: 2px; }
.cta:hover { background: var(--accent); }

/* Sections */
section.block { border-top: 1px solid var(--line); }
section.block .wrap { padding-block: 96px; display: grid; grid-template-columns: 220px 1fr; gap: 48px; }
.label { font-family: var(--mono); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding-top: 8px; }
.content { min-width: 0; }
h2 { font-family: var(--display); font-weight: 500; font-size: clamp(28px, 3.4vw, 38px); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 24px; max-width: 22ch; text-wrap: balance; }
p { max-width: 64ch; }

.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); }
.fact b { display: block; font-family: var(--display); font-weight: 500; font-size: 26px; margin-bottom: 4px; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.fact span { font-size: 14px; color: var(--muted); }

/* Services index */
.groups { list-style: none; margin: 8px 0 0; padding: 0; }
.group { display: grid; grid-template-columns: 48px 1fr 1.25fr; gap: 24px; padding-block: 28px; border-top: 1px solid var(--line); }
.group:last-child { border-bottom: 1px solid var(--line); }
.letter { font-family: var(--mono); font-size: 14px; color: var(--accent); padding-top: 4px; }
.group h3 { font-family: var(--display); font-weight: 500; font-size: 21px; line-height: 1.3; letter-spacing: -0.01em; margin: 0; text-wrap: balance; }
.group ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; min-width: 0; }
.group li { font-size: 15.5px; color: var(--muted); padding-left: 16px; position: relative; }
.group li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 1px; background: var(--muted); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 8px; }
.channels { display: grid; gap: 24px; align-content: start; }
.channel small { display: block; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.channel .val { font-size: 18px; display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.copy { font: 500 12px var(--mono); letter-spacing: .04em; text-transform: uppercase; background: none; border: 1px solid var(--line); color: var(--muted); padding: 4px 8px; cursor: pointer; border-radius: 2px; }
.copy:hover { color: var(--fg); border-color: var(--fg); }
form { display: grid; gap: 16px; }
label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
input, textarea, select {
  font: inherit; font-size: 16px; color: var(--fg); background: var(--surface);
  border: 1px solid var(--line); border-radius: 2px; padding: 12px 14px; width: 100%;
}
textarea { min-height: 120px; resize: vertical; }
form button { justify-self: start; font: 500 15px var(--body); background: var(--fg); color: var(--bg); border: 0; padding: 14px 22px; border-radius: 2px; cursor: pointer; }
form button:hover { background: var(--accent); }
.note { font-size: 14px; color: var(--accent); min-height: 1.4em; margin: 0; }

footer { border-top: 1px solid var(--line); }
footer .wrap { padding-block: 32px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 14px; color: var(--muted); }

@media (max-width: 820px) {
  section.block .wrap { grid-template-columns: 1fr; gap: 16px; padding-block: 72px; }
  .group { grid-template-columns: 36px 1fr; }
  .group ul { grid-column: 2; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero .wrap { padding-block: 88px 80px; }
  .hero-arc { width: 420px; right: -160px; top: -20px; }
}
@media (max-width: 520px) {
  nav { gap: 18px; }
  .brand span { display: none; }
  .facts { grid-template-columns: 1fr; gap: 20px; }
}