:root {
  --bg0: #f2f6f3;
  --bg1: #e4eee8;
  --ink: #1a2a22;
  --muted: #5c6f66;
  --accent: #2f6b4f;
  --accent-hover: #255a42;
  --leaf: #7aa88a;
  --panel: rgba(255, 255, 255, 0.72);
  --line: #c9d8cf;
  --display: "Fraunces", "Noto Serif SC", Georgia, serif;
  --body: "Noto Sans SC", "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  color: var(--ink);
  font-family: var(--body);
  background:
    radial-gradient(1000px 520px at 88% -12%, color-mix(in srgb, var(--leaf) 28%, transparent), transparent 60%),
    radial-gradient(800px 420px at 8% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 55%),
    linear-gradient(165deg, var(--bg0), var(--bg1));
  background-attachment: fixed;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, #fff 55%, transparent);
  backdrop-filter: blur(8px);
}

.topnav .logo {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.topnav nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
}

.topnav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

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

main {
  display: flex;
  justify-content: center;
  padding: clamp(2rem, 6vh, 3.5rem) 1.25rem 2.5rem;
}

.hero,
.page {
  width: min(42rem, 100%);
}

.brand {
  margin: 0 0 1.1rem;
  font-family: var(--display);
  font-size: clamp(3rem, 10vw, 4.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.95;
  color: var(--accent);
}

h1 {
  margin: 0 0 0.85rem;
  font-family: var(--display);
  font-size: clamp(1.55rem, 4.2vw, 2.15rem);
  font-weight: 560;
  line-height: 1.3;
}

h2 {
  margin: 1.75rem 0 0.65rem;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 560;
}

.lede,
.page p {
  margin: 0 0 1rem;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.points,
.page ul {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.points li,
.page ul li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  color: var(--ink);
  font-size: 0.98rem;
  line-height: 1.55;
}

.points li::before,
.page ul li::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
  flex: 0 0 auto;
}

.cta {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.2rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
  background: var(--panel);
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
  backdrop-filter: blur(8px);
  transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.cta:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}

.cta:focus-visible,
.topnav a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 30%, transparent);
  outline-offset: 3px;
}

footer {
  padding: 1.15rem 1.25rem 1.6rem;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, #fff 55%, transparent);
  color: var(--muted);
  font-size: 0.875rem;
  text-align: center;
}

footer p {
  margin: 0.25rem 0;
}

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

footer a:hover {
  color: var(--accent);
  text-decoration: underline;
}