:root {
  color-scheme: light dark;
  --bg: #fbfaf6;
  --surface: #ffffff;
  --text: #111317;
  --muted: #49515a;
  --subtle: #68727d;
  --border: #e7ebf0;
  --accent: #0f5b5a;
  --accent-soft: #e7f8f3;
  --focus: #2dba9a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1115;
    --surface: #171d22;
    --text: #f4f7fa;
    --muted: #b3bdc7;
    --subtle: #85909c;
    --border: #27313a;
    --accent: #5fd3ba;
    --accent-soft: #163b38;
    --focus: #5fd3ba;
  }
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

body {
  margin: 0;
  min-height: 100vh;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.site-header,
.site-footer {
  border-color: var(--border);
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(18px);
}

.nav,
.footer-inner,
.page {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
  font-size: 1.15rem;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-grid;
  place-items: center;
  color: #ffffff;
  background: var(--accent);
  font-weight: 900;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.nav-links a {
  color: var(--muted);
  font-weight: 650;
  text-decoration: none;
}

.nav-links a[aria-current="page"] {
  color: var(--accent);
}

.page {
  padding: 56px 0 72px;
}

.hero {
  padding: 34px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: 0 20px 70px rgba(17, 19, 23, 0.08);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.1rem, 7vw, 4.3rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.lead {
  max-width: 760px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.updated {
  margin-top: 18px;
  color: var(--subtle);
  font-size: 0.95rem;
}

.content {
  margin-top: 34px;
  display: grid;
  gap: 18px;
}

section,
.card {
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
}

h2 {
  margin: 0 0 10px;
  font-size: 1.35rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p,
ul {
  margin: 0;
  color: var(--muted);
}

p + p,
p + ul,
ul + p {
  margin-top: 12px;
}

ul {
  padding-left: 1.2rem;
}

li + li {
  margin-top: 6px;
}

.contact-box {
  display: grid;
  gap: 14px;
  padding: 22px;
  border-radius: 18px;
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--border));
}

.contact-link {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 12px;
  color: #ffffff;
  background: #0f5b5a;
  font-weight: 800;
  text-decoration: none;
}

@media (prefers-color-scheme: dark) {
  .contact-link {
    color: #0d1115;
    background: #5fd3ba;
  }
}

.site-footer {
  border-top: 1px solid var(--border);
}

.footer-inner {
  padding: 26px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--subtle);
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .page {
    padding-top: 32px;
  }

  .hero,
  section,
  .card {
    padding: 22px;
    border-radius: 16px;
  }
}