@font-face {
  font-family: 'Poppins'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('fonts/poppins-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Poppins'; font-style: normal; font-weight: 500; font-display: swap;
  src: url('fonts/poppins-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Poppins'; font-style: normal; font-weight: 600; font-display: swap;
  src: url('fonts/poppins-600.woff2') format('woff2');
}

:root {
  --bg: #fff;
  --ink: #0f2233;
  --body: #465e70;
  --muted: #7b91a3;
  --teal: #17806b;
  --teal-bright: #1b8c74;
  --line: #e4ebf0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1620;
    --ink: #eef4f8;
    --body: #a9c0d0;
    --muted: #7f9aad;
    --teal: #45c1a2;
    --teal-bright: #3fb797;
    --line: #1d3141;
  }
}

*, *::before, *::after { box-sizing: border-box; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; }
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 72px 24px 56px;
  background: var(--bg);
  color: var(--body);
  font-family: 'Poppins', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

main { width: 100%; max-width: 620px; text-align: center; }

a { color: var(--teal); }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--teal-bright); outline-offset: 3px; border-radius: 4px; }

/* language switch */
.lang {
  position: absolute; top: 22px; right: 24px;
  font-size: 13.5px; font-weight: 500; letter-spacing: .02em;
  color: var(--muted); text-decoration: none;
  padding: 6px 14px; border: 1px solid var(--line); border-radius: 999px;
  transition: color .18s ease, border-color .18s ease;
}
.lang:hover { color: var(--teal); border-color: var(--teal-bright); }

/* logo */
.logo { display: inline-flex; flex-direction: column; align-items: center; gap: .22em; line-height: 1; font-size: 68px; }
.logo__mark { display: flex; align-items: center; gap: .3em; }
.logo__chev { display: block; width: .62em; height: 1.06em; flex: none; color: var(--teal-bright); }
.logo__chev path { stroke: currentColor; stroke-width: 15; stroke-linecap: round; stroke-linejoin: round; fill: none; }
.logo__letters { font-weight: 500; font-size: 1em; letter-spacing: .015em; color: var(--ink); white-space: nowrap; }
.logo__letters b { font-weight: 500; color: var(--teal-bright); }
.logo__name { font-weight: 500; font-size: .326em; letter-spacing: .46em; text-indent: .46em; color: var(--ink); white-space: nowrap; }
.logo__tag { font-weight: 400; font-size: .188em; letter-spacing: .3em; text-indent: .3em; color: var(--teal); white-space: nowrap; }
@media (max-width: 520px) { .logo { font-size: 50px; } }

h1 {
  margin: 40px auto 32px; max-width: 22ch;
  font-size: clamp(21px, 4.2vw, 26px); line-height: 1.35;
  letter-spacing: -.014em; font-weight: 500; color: var(--ink);
}

.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 26px; border-radius: 999px;
  background: var(--teal); color: #fff; text-decoration: none;
  font-size: 15.5px; font-weight: 500;
  box-shadow: 0 1px 2px rgba(15,34,51,.05), 0 12px 28px -16px rgba(15,34,51,.5);
  transition: transform .18s cubic-bezier(.2,.7,.3,1), background-color .18s ease, box-shadow .18s ease;
}
.btn:hover { background: var(--teal-bright); transform: translateY(-2px); box-shadow: 0 1px 2px rgba(15,34,51,.06), 0 20px 36px -18px rgba(15,34,51,.55); }
.btn:active { transform: translateY(0); }
.btn svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; transition: transform .22s cubic-bezier(.2,.7,.3,1); }
.btn:hover svg { transform: translateX(3px); }
@media (prefers-color-scheme: dark) { .btn { color: #06131a; } }

.mail { margin: 18px 0 0; font-size: 15px; }

.fine {
  margin-top: 56px; padding-top: 30px; border-top: 1px solid var(--line);
  text-align: left; font-size: 13.5px; line-height: 1.68; color: var(--muted);
}
.fine p { margin: 0 0 12px; }
.fine p:last-child { margin-bottom: 0; }
.fine b { font-weight: 600; color: var(--ink); }

footer { margin-top: 34px; font-size: 12.5px; line-height: 1.9; color: var(--muted); }
footer span { display: block; }