:root {
  --teal-1: #1fa39e;
  --teal-2: #0e6f6c;
  --ink: #15202b;
  --muted: #5b6b78;
  --bg: #f6f8f8;
  --card: #ffffff;
  --line: #e4eaea;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

a { color: var(--teal-2); }

.hero {
  text-align: center;
  padding: 72px 24px 48px;
  /* Pale teal so the saturated app icon stands out against it. */
  background: linear-gradient(160deg, #d7f1ed, #a0dcd5);
  color: #0c5e5b;
}
.hero .logo {
  border-radius: 22px;
  box-shadow: 0 10px 28px rgba(8, 70, 67, 0.28);
}
.hero h1 {
  margin: 20px 0 6px;
  font-size: 2.4rem;
  letter-spacing: -0.02em;
}
.hero .tagline {
  margin: 0;
  font-size: 1.2rem;
  color: #16726c;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 24px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
}
.feature h2 {
  margin: 0 0 8px;
  font-size: 1.12rem;
}
.feature p {
  margin: 0;
  color: var(--muted);
}

.cta {
  text-align: center;
  margin-top: 40px;
  color: var(--muted);
}
.link {
  display: inline-block;
  margin-top: 8px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--teal-1);
  color: var(--teal-2);
}

footer {
  max-width: 880px;
  margin: 0 auto;
  padding: 28px 24px 56px;
  color: var(--muted);
  font-size: 0.86rem;
  text-align: center;
  border-top: 1px solid var(--line);
}
footer p { margin: 6px 0; }

/* Privacy page */
.page-header {
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
.home {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 880px;
  margin: 0 auto;
  padding: 14px 24px;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
}
.home .logo.small { border-radius: 9px; }

.prose { max-width: 760px; }
.prose h1 { font-size: 2rem; margin-bottom: 4px; }
.prose h2 { margin-top: 32px; font-size: 1.25rem; }
.prose .updated { color: var(--muted); margin-top: 0; }
.prose ul { padding-left: 22px; }
.prose li { margin: 8px 0; }
.prose .back { margin-top: 40px; }

/* Contact form */
.contact { margin-top: 48px; text-align: center; }
.contact h2 { margin-bottom: 6px; }
.contact p { color: var(--muted); margin-top: 0; }
.contact form {
  display: grid;
  gap: 12px;
  max-width: 480px;
  margin: 18px auto 0;
  text-align: left;
}
.contact input,
.contact textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  background: var(--card);
}
.contact textarea { resize: vertical; }
.contact button {
  justify-self: start;
  padding: 12px 24px;
  border: 0;
  border-radius: 10px;
  background: var(--teal-2);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
.contact button:hover { background: var(--teal-1); }
.form-status { margin: 4px 0 0; min-height: 1.2em; color: var(--muted); }