:root {
  --accent: #0E8A80;
  --accent-strong: #0A6F67;
  --bg: #FFFFFF;
  --surface: #F4F6F6;
  --text: #1C1F21;
  --muted: #5A6266;
  --line: #DDE2E3;
  --max: 900px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --accent: #3DBDB2;
    --accent-strong: #6FD3CA;
    --bg: #0F1213;
    --surface: #181C1E;
    --text: #EEF1F1;
    --muted: #A3ABAE;
    --line: #2A3033;
  }
}

:root[data-theme="dark"] {
  --accent: #3DBDB2;
  --accent-strong: #6FD3CA;
  --bg: #0F1213;
  --surface: #181C1E;
  --text: #EEF1F1;
  --muted: #A3ABAE;
  --line: #2A3033;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 16px;
}

header.site {
  border-bottom: 1px solid var(--line);
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  font-weight: 700;
  font-size: 20px;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 15px;
}

nav a, .lang a {
  color: var(--muted);
  text-decoration: none;
}

nav a:hover, nav a[aria-current="page"] {
  color: var(--accent-strong);
}

.lang a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 14px;
}

.lang a[aria-current="true"] {
  color: var(--accent-strong);
  border-color: var(--accent);
}

main {
  padding: 48px 0 64px;
}

h1 {
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  font-weight: 750;
}

h2 {
  font-size: 24px;
  margin: 40px 0 12px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 18px;
  margin: 24px 0 8px;
}

p, li { color: var(--text); }

.lead {
  font-size: 19px;
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 28px;
}

.updated {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 24px;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #FFFFFF;
  text-decoration: none;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: 12px;
}

.cta.secondary {
  background: transparent;
  color: var(--accent-strong);
  border: 1px solid var(--accent);
  margin-left: 8px;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  margin-top: 32px;
}

@media (min-width: 640px) {
  .grid { grid-template-columns: 1fr 1fr; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}

.card h3 {
  margin-top: 0;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.plans {
  margin-top: 32px;
}

.price {
  font-size: 15px;
  color: var(--muted);
}

ul.check {
  padding-left: 20px;
}

ul.check li {
  margin-bottom: 6px;
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 17px;
}

.faq details p {
  margin: 10px 0 0;
  color: var(--muted);
}

.contact {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}

a { color: var(--accent-strong); }

footer.site {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  padding: 24px 0 40px;
}

footer.site ul {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

footer.site a {
  color: var(--muted);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (max-width: 480px) {
  .cta.secondary { margin-left: 0; margin-top: 10px; }
  body { font-size: 16px; }
}