:root {
  --bg: #f6f4ef;
  --surface: #ecE9e1;
  --ink: #1b1f1e;
  --muted: #4f5a57;
  --line: #d3cfc4;
  --accent: #0d5c56;
  --accent-ink: #ffffff;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --gutter: clamp(16px, 5vw, 48px);
  --max: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1413;
    --surface: #182120;
    --ink: #e9eeea;
    --muted: #a3b0ab;
    --line: #2a3634;
    --accent: #5fc9bb;
    --accent-ink: #0a1210;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1.0625rem/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
.skip { position: absolute; left: var(--gutter); top: -100px; background: var(--ink); color: var(--bg); padding: 10px 16px; z-index: 10; }
.skip:focus { top: 8px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* header */
.site-head { border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--ink); text-decoration: none; font-weight: 650; letter-spacing: -0.01em; }
.brand svg { width: 26px; height: 26px; flex: none; }
.brand .mark-a { fill: var(--accent); }
.brand .mark-b { fill: var(--ink); }
.site-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.site-nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px; color: var(--ink); text-decoration: none; font-size: 0.9375rem; background: linear-gradient(var(--accent), var(--accent)) 10px calc(50% + 12px) / 0 2px no-repeat; transition: background-size 0.2s ease; }
.site-nav a:hover { background-size: calc(100% - 20px) 2px; }
.site-nav .lang { margin-left: 8px; border: 1px solid var(--line); border-radius: 6px; font-family: var(--mono); font-size: 0.8125rem; padding: 0 12px; background-image: none; }
.site-nav .lang:hover { border-color: var(--accent); }

/* hero */
.hero { padding: clamp(56px, 11vw, 136px) 0 clamp(48px, 8vw, 96px); }
.hero h1 { margin: 0; font-size: clamp(2.25rem, 6.4vw, 4.75rem); line-height: 1.04; letter-spacing: -0.03em; font-weight: 680; max-width: 15ch; text-wrap: balance; }
.hero p { margin: 28px 0 0; max-width: 44ch; font-size: clamp(1.125rem, 2vw, 1.375rem); line-height: 1.5; color: var(--muted); }
.hero .cta { margin-top: 36px; display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; min-height: 48px; padding: 0 22px; border-radius: 8px; background: var(--accent); color: var(--accent-ink); text-decoration: none; font-weight: 600; transition: transform 0.15s ease, filter 0.15s ease; }
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--accent); filter: none; }
@media (prefers-reduced-motion: no-preference) {
  .hero > .wrap > * { animation: rise 0.6s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
  .hero > .wrap > :nth-child(2) { animation-delay: 0.08s; }
  .hero > .wrap > :nth-child(3) { animation-delay: 0.16s; }
}
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* sections */
.row { border-top: 1px solid var(--line); padding: clamp(40px, 6vw, 72px) 0; }
.row > .wrap { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
.row h2 { margin: 0; font-size: 0.8125rem; font-family: var(--mono); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.row .body { max-width: 62ch; }
.row .body > :first-child { margin-top: 0; }
.row .body > :last-child { margin-bottom: 0; }
@media (min-width: 860px) {
  .row > .wrap { grid-template-columns: 220px minmax(0, 1fr); gap: 48px; }
}
.lead { font-size: clamp(1.25rem, 2.4vw, 1.625rem); line-height: 1.4; letter-spacing: -0.01em; }
.product { display: block; padding: 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--ink); text-decoration: none; transition: transform 0.15s ease, border-color 0.15s ease; }
.product:hover { transform: translateY(-2px); border-color: var(--accent); }
.product h3 { margin: 0 0 6px; font-size: 1.5rem; letter-spacing: -0.02em; }
.product p { margin: 0 0 16px; color: var(--muted); }
.product .go { color: var(--accent); font-weight: 600; text-decoration: underline; text-underline-offset: 0.2em; }
.channels { list-style: none; margin: 20px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.channels li { padding: 6px 14px; border: 1px solid var(--line); border-radius: 999px; font-size: 0.9375rem; }
.mail { font-size: clamp(1.125rem, 3.4vw, 1.75rem); letter-spacing: -0.01em; overflow-wrap: anywhere; }

/* legal prose */
.doc { padding: clamp(40px, 7vw, 88px) 0 clamp(56px, 9vw, 112px); }
.doc .wrap > * { max-width: 68ch; }
.doc h1 { margin: 0 0 12px; font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.1; letter-spacing: -0.03em; font-weight: 680; }
.doc .meta { margin: 0 0 40px; color: var(--muted); font-family: var(--mono); font-size: 0.875rem; }
.doc h2 { margin: 44px 0 10px; font-size: 1.3125rem; letter-spacing: -0.015em; line-height: 1.3; }
.doc p, .doc li { margin: 0 0 14px; }
.doc ul { padding-left: 1.2em; margin: 0 0 14px; }
.doc li::marker { color: var(--accent); }

/* footer */
.site-foot { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 0.9375rem; }
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; align-items: center; }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 0 8px; }
.site-foot a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 8px; color: var(--ink); }
.site-foot p { margin: 0; }