:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --ink: #1a1f36;
  --muted: #5c6478;
  --accent: #2f6b4f;
  --accent-dark: #24553f;
  --line: #e2e6ef;
  --max: 720px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, #d8efe4 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, #e8eefc 0%, transparent 50%),
    var(--bg);
  line-height: 1.65;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-dark);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header-inner,
.site-footer-inner,
.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  font-size: 0.9rem;
}

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

.nav a:hover {
  color: var(--accent);
}

.hero {
  padding: 3.5rem 0 2.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}

.hero p {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 36rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border-radius: 0.55rem;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
}

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.card-grid {
  display: grid;
  gap: 0.85rem;
  padding-bottom: 3rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: 1.1rem 1.2rem;
}

.card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.legal {
  padding: 2rem 0 3.5rem;
}

.legal h1 {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.35rem;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 1.75rem;
}

.legal h2 {
  font-size: 1.15rem;
  margin: 1.75rem 0 0.5rem;
}

.legal h3 {
  font-size: 1rem;
  margin: 1.15rem 0 0.4rem;
}

.legal p,
.legal li {
  color: #2c3348;
}

.legal ul,
.legal ol {
  padding-left: 1.2rem;
}

.legal li {
  margin-bottom: 0.35rem;
}

.note {
  background: #eef7f2;
  border: 1px solid #cfe6d9;
  border-radius: 0.65rem;
  padding: 0.9rem 1rem;
  color: var(--accent-dark);
  font-size: 0.95rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 1.25rem 0;
  margin-top: auto;
}

.site-footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.85rem;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

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

@media (max-width: 640px) {
  .nav {
    display: none;
  }
}