/* ==========================================================================
   ElderTechly — Design System
   Palette: calm, trustworthy, warm — built for readability at larger sizes
   ========================================================================== */

:root {
  --color-bg: #FAF8F4;
  --color-bg-raised: #FFFFFF;
  --color-ink: #26302E;
  --color-ink-soft: #52605C;
  --color-primary: #2C5F6B;      /* deep teal-blue — trust, calm */
  --color-primary-dark: #1F454F;
  --color-accent: #C98A3B;       /* warm amber — CTAs, highlights */
  --color-accent-dark: #A66F28;
  --color-safe: #6E8F6C;         /* soft sage green — safety/vitality */
  --color-line: #E3DDD2;
  --color-card: #FFFFFF;

  --font-head: Georgia, 'Iowan Old Style', 'Palatino Linotype', Palatino, serif;
  --font-body: 'Segoe UI', Optima, Candara, 'Noto Sans', sans-serif;

  --measure: 68ch;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(38, 48, 46, 0.08), 0 1px 2px rgba(38, 48, 46, 0.06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--color-primary); }
a:hover { color: var(--color-primary-dark); }

h1, h2, h3 {
  font-family: var(--font-head);
  color: var(--color-ink);
  line-height: 1.25;
  font-weight: 700;
  margin: 0 0 0.5em;
}

h1 { font-size: 2.4rem; }
h2 { font-size: 1.7rem; }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1.1em; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.prose {
  max-width: var(--measure);
}

/* ---------- Skip link / accessibility ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: white;
  padding: 10px 16px;
  z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--color-bg-raised);
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-decoration: none;
}

.brand .mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--color-primary);
  display: grid;
  place-items: center;
  color: white;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
}

.main-nav {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-ink);
  font-weight: 600;
  font-size: 1rem;
}

.main-nav a:hover { color: var(--color-primary); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 1rem;
}

.search-form {
  display: flex;
  align-items: center;
}
.search-form input {
  border: 1px solid var(--color-line);
  border-radius: 8px 0 0 8px;
  padding: 9px 12px;
  font-size: 0.95rem;
  width: 180px;
}
.search-form button {
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: white;
  border-radius: 0 8px 8px 0;
  padding: 9px 14px;
  cursor: pointer;
}

@media (max-width: 860px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-block; }
  .search-form input { width: 120px; }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, #EFEAE0 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-line);
  padding: 56px 0 48px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero h1 { margin-bottom: 0.4em; }
.hero .lede { font-size: 1.15rem; color: var(--color-ink-soft); max-width: 46ch; }

.hero-figure {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

@media (max-width: 780px) {
  .hero .container { grid-template-columns: 1fr; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  font-size: 1rem;
  border: 2px solid transparent;
}
.btn-primary { background: var(--color-accent); color: #2A1B08; }
.btn-primary:hover { background: var(--color-accent-dark); color: white; }
.btn-outline { border-color: var(--color-primary); color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: white; }

/* ---------- Sections ---------- */
.section { padding: 48px 0; }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 12px;
}
.section-head a { font-weight: 600; text-decoration: none; }

/* ---------- Category chips ---------- */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
}
.chip {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  padding: 8px 16px;
  text-decoration: none;
  color: var(--color-ink);
  font-size: 0.95rem;
  font-weight: 600;
}
.chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.chip .dot { color: var(--color-safe); margin-inline-end: 6px; }

/* ---------- Article cards ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid { grid-template-columns: 1fr; } }

.card {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.card .thumb {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-safe) 100%);
}
.card .body { padding: 18px 18px 20px; flex: 1; display: flex; flex-direction: column; }
.card .kicker {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}
.card h3 { margin-bottom: 8px; font-size: 1.15rem; }
.card h3 a { text-decoration: none; color: inherit; }
.card p { color: var(--color-ink-soft); font-size: 0.95rem; margin-bottom: 0; }

/* ---------- Ad slots (placeholders) ---------- */
.ad-slot {
  border: 1px dashed var(--color-line);
  border-radius: var(--radius);
  color: var(--color-ink-soft);
  text-align: center;
  padding: 18px;
  font-size: 0.85rem;
  background: #F2EEE6;
}
.ad-slot.leaderboard { max-width: 728px; margin: 32px auto; }
.ad-slot.in-content { margin: 28px 0; }

/* ---------- Article page ---------- */
.article-wrap {
  display: grid;
  grid-template-columns: minmax(0, var(--measure)) 300px;
  gap: 48px;
  align-items: start;
}
@media (max-width: 940px) { .article-wrap { grid-template-columns: 1fr; } }

.article-header .kicker {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.9rem;
}
.article-meta {
  color: var(--color-ink-soft);
  font-size: 0.9rem;
  margin: 8px 0 20px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.toc {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 24px 0 32px;
}
.toc h2 { font-size: 1rem; margin-bottom: 10px; font-family: var(--font-body); }
.toc ol { margin: 0; padding-inline-start: 20px; }
.toc a { text-decoration: none; }

.article-body h2 { margin-top: 1.6em; }
.article-body h3 { margin-top: 1.3em; }
.article-body ul, .article-body ol { padding-inline-start: 1.4em; }
.article-body li { margin-bottom: 0.4em; }

.faq dt { font-weight: 700; margin-top: 1em; }
.faq dd { margin: 0.3em 0 0; color: var(--color-ink-soft); }

.disclosure {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  background: #F2EEE6;
  border-radius: var(--radius);
  padding: 12px 16px;
  margin: 24px 0;
}

.sidebar .widget {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 20px;
}
.sidebar .widget h3 { font-size: 1rem; margin-bottom: 12px; }
.sidebar .widget ul { list-style: none; margin: 0; padding: 0; }
.sidebar .widget li { margin-bottom: 10px; }
.sidebar .widget a { text-decoration: none; font-size: 0.95rem; }

.related {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--color-line);
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  margin-bottom: 18px;
}
.breadcrumbs a { color: var(--color-ink-soft); text-decoration: none; }
.breadcrumbs a:hover { color: var(--color-primary); }

/* ---------- Simple pages (about/contact/legal) ---------- */
.simple-page { padding: 48px 0 64px; }
.simple-page h1 { margin-bottom: 0.3em; }
.simple-page .updated { color: var(--color-ink-soft); font-size: 0.9rem; margin-bottom: 2em; }

.contact-form { display: grid; gap: 16px; max-width: 520px; }
.contact-form label { font-weight: 600; display: block; margin-bottom: 6px; }
.contact-form input, .contact-form textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 1rem;
  font-family: inherit;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: #E9EFEE;
  margin-top: 64px;
}
.site-footer .container {
  padding: 44px 24px 28px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
}
.site-footer h3 { color: white; font-size: 1rem; font-family: var(--font-body); }
.site-footer a { color: #C9DAD7; text-decoration: none; font-size: 0.95rem; }
.site-footer a:hover { color: white; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer .bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding: 16px 24px;
  font-size: 0.85rem;
  color: #B9CBC7;
  text-align: center;
}
@media (max-width: 700px) {
  .site-footer .container { grid-template-columns: 1fr; }
}