:root {
  --ink: #1b1b1b;
  --muted: #444;
  --bg: #fffdf8;
  --card: #ffffff;
  --brand: #1f4e79;
  --brand-dark: #14344f;
  --accent: #b45309;
  --line: #d9d4c7;
}

* { box-sizing: border-box; }

html { font-size: 112.5%; } /* 18px base for easy reading */

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--brand); text-underline-offset: 3px; }
a:hover { color: var(--brand-dark); }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.skip {
  position: absolute; left: -999px; top: 0;
  background: #000; color: #fff; padding: .6rem 1rem;
}
.skip:focus { left: 0; z-index: 10; }

header.site {
  background: var(--brand);
  color: #fff;
  padding: 1rem 1.25rem;
}
header.site .wrap {
  max-width: 62rem; margin: 0 auto;
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: .75rem;
}
.logo {
  font-size: 1.7rem; font-weight: bold; color: #fff; text-decoration: none;
}
nav a {
  color: #fff; font-family: Arial, Helvetica, sans-serif;
  font-size: 1.05rem; font-weight: bold;
  text-decoration: none; padding: .5rem .9rem; border-radius: 6px;
  margin-left: .25rem;
}
nav a:hover, nav a[aria-current="page"] {
  background: var(--brand-dark); text-decoration: underline;
}

main { max-width: 62rem; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }

h1 { font-size: 2.2rem; line-height: 1.2; color: var(--brand-dark); margin: .5rem 0 1rem; }
h2 { font-size: 1.6rem; color: var(--brand-dark); margin-top: 2.5rem;
     border-bottom: 3px solid var(--line); padding-bottom: .3rem; }
h3 { font-size: 1.2rem; margin: 0 0 .25rem; }

.hero { padding: 1.5rem 0 .5rem; }
.hero p { font-size: 1.25rem; max-width: 42rem; }

.button {
  display: inline-block; background: var(--accent); color: #fff;
  font-family: Arial, Helvetica, sans-serif; font-weight: bold; font-size: 1.1rem;
  padding: .8rem 1.4rem; border-radius: 8px; text-decoration: none;
}
.button:hover { background: #8f4208; color: #fff; }

.cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.card {
  background: var(--card); border: 2px solid var(--line);
  border-radius: 10px; padding: 1.1rem 1.25rem;
}
.card p { margin: .3rem 0 0; color: var(--muted); }

ul.links { list-style: none; padding: 0; margin: 0; display: grid; gap: .9rem; }
ul.links li {
  background: var(--card); border: 2px solid var(--line);
  border-left: 8px solid var(--brand); border-radius: 10px; padding: .9rem 1.2rem;
}
ul.links a { font-weight: bold; font-size: 1.15rem; }
ul.links p { margin: .25rem 0 0; color: var(--muted); }

.toc { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1rem 0; padding: 0; list-style: none; }
.toc a {
  display: inline-block; font-family: Arial, Helvetica, sans-serif; font-weight: bold;
  border: 2px solid var(--brand); border-radius: 999px; padding: .4rem 1rem; text-decoration: none;
}
.toc a:hover { background: var(--brand); color: #fff; }

.notice {
  background: #fff4e0; border: 2px solid #e0b36a; border-radius: 10px;
  padding: 1rem 1.25rem; margin: 1.5rem 0;
}

footer.site {
  background: #efeadc; border-top: 2px solid var(--line);
  padding: 1.5rem 1.25rem; font-size: .95rem; color: var(--muted);
}
footer.site .wrap { max-width: 62rem; margin: 0 auto; }

@media (max-width: 40rem) {
  h1 { font-size: 1.8rem; }
  nav a { margin-left: 0; }
}

/* ---- AI for Seniors page ---- */
.container { max-width: 62rem; margin: 0 auto; }
.page-hero { padding: 1rem 0 .5rem; }
.page-hero p { font-size: 1.25rem; max-width: 42rem; }
.section { margin-top: 1rem; }
.section-title { font-size: 1.6rem; color: var(--brand-dark); margin-top: 2rem;
  border-bottom: 3px solid var(--line); padding-bottom: .3rem; }
.category-header { border: 0; margin: 2.5rem 0 .25rem; padding: 0; }
.category-badge { display: inline-block; font-size: 1.5rem; color: var(--brand-dark);
  border-bottom: 3px solid var(--line); padding-bottom: .3rem; width: 100%; }
.category-description { color: var(--muted); }
.ai-explainer, .step-card, .safety-item {
  background: var(--card); border: 2px solid var(--line); border-radius: 10px; padding: 1rem 1.25rem; }
.ai-explainer p { margin: .5rem 0; }
.resource-list { display: grid; gap: .9rem; }
.resource-item { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem;
  background: var(--card); border: 2px solid var(--line); border-left: 8px solid var(--brand);
  border-radius: 10px; padding: .9rem 1.2rem; }
.resource-info { flex: 1 1 20rem; }
.resource-info p { margin: .25rem 0; color: var(--muted); }
.resource-info .resource-url { font-family: Arial, Helvetica, sans-serif; font-size: .9rem; word-break: break-all; }
.category-tag { display: inline-block; font-family: Arial, Helvetica, sans-serif; font-size: .8rem; font-weight: bold;
  background: #e8eef5; color: var(--brand-dark); border-radius: 999px; padding: .15rem .7rem; margin-right: .3rem; }
.btn { display: inline-block; font-family: Arial, Helvetica, sans-serif; font-weight: bold; text-decoration: none;
  border: 2px solid var(--brand); color: var(--brand); border-radius: 8px; padding: .6rem 1.1rem; white-space: nowrap; }
.btn:hover { background: var(--brand); color: #fff; }
.steps-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); margin-top: 1rem; }
.step-card p { margin: .3rem 0 0; color: var(--muted); }
.step-number { display: inline-flex; width: 2.2rem; height: 2.2rem; align-items: center; justify-content: center;
  background: var(--brand); color: #fff; border-radius: 50%; font-family: Arial, Helvetica, sans-serif; font-weight: bold; }
.safety-list { display: grid; gap: 1rem; margin-top: 1rem; }
.safety-item { display: flex; gap: 1rem; align-items: flex-start; background: #fff4e0; border-color: #e0b36a; }
.safety-item p { margin: .25rem 0 0; }
.safety-icon { font-size: 1.8rem; }
footer.site p { margin: .4rem 0; }

/* ---- FAQ, checklists, phone numbers ---- */
details { background: var(--card); border: 2px solid var(--line); border-radius: 10px; margin: .8rem 0; }
summary { cursor: pointer; font-weight: bold; font-size: 1.15rem; padding: .9rem 1.2rem; }
summary:hover { color: var(--brand-dark); }
details[open] summary { border-bottom: 2px solid var(--line); }
details .answer { padding: .2rem 1.2rem 1rem; }
ul.checklist { padding-left: 1.4rem; }
ul.checklist li { margin: .5rem 0; }
.phone { white-space: nowrap; font-weight: bold; }