:root {
  --bg: #0f1511;
  --surface: #16201a;
  --surface-2: #1c281f;
  --line: #2a352d;
  --green: #4caf50;
  --green-bright: #7ed492;
  --green-soft: #a5d6a7;
  --ink: #e4ece5;
  --muted: #9fb0a4;
  --max: 720px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--green-bright); text-decoration: none; }
a:hover { color: var(--green-soft); text-decoration: underline; }

/* Top hairline, echoing the app's accent */
.glow {
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  opacity: 0.7;
}

.nav { border-bottom: 1px solid var(--line); }
.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--ink);
}
.nav__brand:hover { text-decoration: none; }
.star { color: var(--green-bright); }
.nav__links { margin-left: auto; display: flex; gap: 18px; }
.nav__links a { font-size: 0.95rem; }

main { max-width: var(--max); margin: 0 auto; padding: 8px 20px 64px; }

.hero { text-align: center; padding: 40px 0 8px; }
.hero__star {
  font-size: 3.4rem;
  color: var(--green-bright);
  line-height: 1;
  display: block;
  margin-bottom: 8px;
  text-shadow: 0 0 24px rgba(126, 212, 146, 0.35);
}
.hero h1 { font-size: 2.1rem; margin: 0 0 4px; letter-spacing: 0.5px; }
.hero__sub { color: var(--green-soft); font-style: italic; margin: 0 0 10px; }
.hero p { color: var(--muted); margin: 0 auto; max-width: 34rem; }

/* Decorative Esperanto diacritic strip */
.diacritics {
  text-align: center;
  color: var(--green);
  opacity: 0.55;
  letter-spacing: 0.5em;
  font-size: 1.15rem;
  margin: 22px 0 4px;
  user-select: none;
}

h2 {
  font-size: 1.25rem;
  margin: 40px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}
h2 .star { font-size: 0.85em; margin-right: 6px; }
h3 { font-size: 1.05rem; margin: 18px 0 4px; color: var(--green-soft); }

.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 14px 0;
  background: var(--surface);
}

.btn {
  display: inline-block;
  background: var(--green);
  color: #0c130e;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 700;
  margin-top: 8px;
}
.btn:hover { background: var(--green-bright); color: #0c130e; text-decoration: none; }
.btn--ghost {
  background: transparent;
  color: var(--green-bright);
  border: 1px solid var(--green);
}
.btn--ghost:hover { background: var(--surface-2); color: var(--green-soft); }

.email { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--green-soft); }
.muted { color: var(--muted); font-size: 0.9rem; }

ul.tight { margin: 6px 0; padding-left: 20px; }
ul.tight li { margin: 3px 0; }
ul.tight li::marker { color: var(--green); }

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 24px 20px 40px;
}
footer a { color: var(--green-bright); }
.footer__star { color: var(--green); }