:root {
  --bg0: #f8f7f2;
  --bg1: #eef6f1;
  --ink: #1c2e28;
  --muted: rgba(28, 46, 40, 0.62);
  --accent: #2e6e59;
  --accent-soft: rgba(46, 110, 89, 0.14);
  --panel: rgba(255, 255, 255, 0.88);
  --line: rgba(46, 110, 89, 0.18);
  --sans: "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg0);
  line-height: 1.55;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 70% 45% at 10% -5%, rgba(112, 180, 156, 0.28), transparent 55%),
    radial-gradient(ellipse 55% 40% at 100% 0%, rgba(176, 214, 232, 0.35), transparent 50%),
    radial-gradient(ellipse 50% 35% at 80% 100%, rgba(250, 214, 168, 0.22), transparent 55%),
    linear-gradient(180deg, var(--bg1), var(--bg0));
}

.top {
  max-width: 880px;
  margin: 0 auto;
  padding: 22px 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.mark {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background:
    linear-gradient(145deg, #5aaa8a, var(--accent));
  box-shadow: 0 6px 14px rgba(46, 110, 89, 0.25);
}

nav {
  display: flex;
  gap: 8px;
}

nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 999px;
}

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

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 36px 22px 64px;
}

.hero { margin-bottom: 28px; }
.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 5vw, 40px);
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.lede {
  margin: 0;
  max-width: 36em;
  color: var(--muted);
  font-size: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 40px rgba(28, 46, 40, 0.06);
  margin-bottom: 22px;
}
.panel h2 {
  margin: 0 0 8px;
  font-size: 18px;
}
.panel p { margin: 0 0 12px; color: var(--muted); }
.mail {
  display: inline-block;
  margin: 4px 0 12px;
  color: var(--accent);
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  word-break: break-all;
}
.hint { font-size: 13px !important; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.grid article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
}
.grid h3 {
  margin: 0 0 8px;
  font-size: 15px;
}
.grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.grid a { color: var(--accent); }

.prose h2 {
  margin: 22px 0 8px;
  font-size: 16px;
}
.prose h2:first-child { margin-top: 0; }
.prose a { color: var(--accent); }

footer {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 22px 40px;
  color: var(--muted);
  font-size: 12px;
}