:root {
  --paper: #faf9f6;
  --paper-2: #f3f1ea;
  --ink: #1a1a18;
  --ink-soft: #56544c;
  --ink-faint: #8a877c;
  --line: #e2ded3;
  --line-strong: #1a1a18;
  --accent: #0f6e56;      /* deep Swiss green-teal */
  --accent-ink: #0b5343;
  --maxw: 1060px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

.mono { font-family: 'IBM Plex Mono', monospace; }

/* ---------- header ---------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px 32px;
  border-bottom: 1px solid var(--line-strong);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}
.brand .mark { display:inline-block; width: 22px; height: 22px; color: var(--accent); flex: none; }
.brand .mark svg { display:block; width:100%; height:100%; }

.nav { display: flex; gap: 26px; align-items: center; }
.nav a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  transition: color .15s;
}
.nav a:hover { color: var(--ink); }
.nav .lang {
  border: 1px solid var(--line-strong);
  padding: 4px 9px;
  color: var(--ink);
  font-size: 12px;
}
.nav .lang:hover { background: var(--ink); color: var(--paper); }

/* ---------- hero ---------- */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 70px 32px 60px;
}
.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}
h1 {
  font-family: 'Spectral', Georgia, serif;
  font-weight: 400;
  font-size: clamp(40px, 6.5vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  max-width: 15ch;
  margin-bottom: 30px;
}
.lede {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--ink-soft);
  max-width: 56ch;
  margin-bottom: 34px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 60px; }
.btn {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 13px 22px;
  border: 1px solid var(--line-strong);
  transition: background .15s, color .15s;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* signature: term-resolution table, spec-sheet style */
.term-strip { border: 1px solid var(--line-strong); }
.term-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 15px 22px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
}
.term-row:last-child { border-bottom: none; }
.term-row .src { color: var(--ink-faint); }
.term-row .arrow { color: var(--accent); }
.term-row .tgt { color: var(--ink); }
.term-row .note { font-size: 11px; color: var(--accent); text-align: right; text-transform: uppercase; letter-spacing: 0.04em; }

/* ---------- band ---------- */
.band { border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); background: var(--paper-2); }
.band-inner { max-width: var(--maxw); margin: 0 auto; padding: 70px 32px; }
h2 {
  font-family: 'Spectral', Georgia, serif;
  font-weight: 400;
  font-size: clamp(26px, 3.5vw, 36px);
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}
.band-inner > p { color: var(--ink-soft); max-width: 60ch; font-size: 17px; margin-bottom: 44px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.card { background: var(--paper); padding: 26px 22px; }
.card-no { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--ink-faint); }
.card h3 { font-family: 'Spectral', Georgia, serif; font-weight: 500; font-size: 19px; margin: 12px 0 10px; }
.card p { color: var(--ink-soft); font-size: 14px; }

/* ---------- closer ---------- */
.closer { max-width: var(--maxw); margin: 0 auto; padding: 80px 32px; }
.closer p { color: var(--ink-soft); font-size: 17px; margin-bottom: 30px; }

/* ---------- generic page ---------- */
.page { max-width: var(--maxw); margin: 0 auto; padding: 60px 32px 30px; }
.page h1 { font-size: clamp(34px, 5vw, 50px); margin-bottom: 22px; }
.prose { max-width: 64ch; }
.prose h2 { font-size: 23px; margin: 44px 0 14px; }
.prose h3 { font-family: 'Spectral', Georgia, serif; font-weight: 500; font-size: 19px; margin: 30px 0 8px; }
.prose p { color: var(--ink-soft); margin-bottom: 15px; }
.prose ul { color: var(--ink-soft); margin: 0 0 16px 20px; }
.prose li { margin-bottom: 7px; }

.service-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line-strong); margin-top: 40px; }
.service-item { background: var(--paper); padding: 28px; }
.service-item .tag { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--accent); letter-spacing: 0.06em; }
.service-item h3 { font-family: 'Spectral', Georgia, serif; font-weight: 500; font-size: 23px; margin: 10px 0 10px; }
.service-item p { color: var(--ink-soft); max-width: 60ch; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line-strong); border: 1px solid var(--line-strong); margin-top: 40px; }
.contact-card { background: var(--paper); padding: 28px; }
.contact-card h3 { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--ink-faint); font-weight: 500; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.05em; }
.contact-card a { color: var(--accent); font-size: 18px; }
.contact-card p { color: var(--ink-soft); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line-strong);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 32px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  color: var(--ink-faint);
}
.foot-col { display: flex; flex-direction: column; gap: 8px; }
.foot-col a:hover { color: var(--ink); }
.brand-foot { color: var(--ink); letter-spacing: 0.04em; }
.uid { font-size: 12px; }

@media (max-width: 760px) {
  .cards { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .term-row { grid-template-columns: 1fr auto 1fr; }
  .term-row .note { grid-column: 1 / -1; text-align: left; }
  .nav { gap: 16px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto; transition: none; } }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }