:root {
  --primary: #1a5d3a;
  --primary-dark: #0f3d26;
  --accent: #e08a1e;
  --bg: #fafaf7;
  --text: #1f2421;
  --muted: #6b7370;
  --card-bg: #ffffff;
  --border: #e4e4de;
}
* { 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(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ---- Header / Nav ---- */
.site-header { background: var(--primary-dark); color: #fff; padding: 14px 0; position: relative; box-shadow: 0 1px 3px rgba(0,0,0,0.15); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 10px; position: relative; }
.site-header .brand { color: #fff; font-size: 1.3rem; font-weight: 700; z-index: 2; white-space: nowrap; }
.site-header .brand span { color: var(--accent); }

.nav-toggle {
  display: none;
  background: transparent; border: none; cursor: pointer;
  width: 40px; height: 40px; padding: 8px;
  z-index: 2;
}
.nav-toggle span { display: block; width: 100%; height: 2px; background: #fff; margin: 5px 0; border-radius: 2px; transition: transform .2s, opacity .2s; }

.site-header nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 0; padding: 0; justify-content: flex-end; }
.site-header nav a { color: #e9efe9; font-size: 0.9rem; display: inline-block; padding: 6px 2px; }
.site-header nav a:hover { color: #fff; text-decoration: underline; }

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .site-header nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--primary-dark);
    max-height: 0; overflow: hidden;
    transition: max-height .25s ease;
    box-shadow: 0 6px 10px rgba(0,0,0,0.15);
  }
  .site-header.nav-open nav { max-height: 80vh; overflow-y: auto; }
  .site-header nav ul { flex-direction: column; gap: 0; padding: 8px 20px 16px; justify-content: flex-start; }
  .site-header nav li { border-top: 1px solid rgba(255,255,255,0.08); }
  .site-header nav li:first-child { border-top: none; }
  .site-header nav a { display: block; padding: 12px 2px; font-size: 1rem; }
}

main.wrap { padding: 28px 20px 48px; min-height: 60vh; }
@media (max-width: 480px) {
  main.wrap { padding: 22px 16px 40px; }
  .wrap { padding: 0 16px; }
}

.hero { padding: 20px 0 8px; }
.hero h1 { font-size: clamp(1.5rem, 5vw, 2rem); margin-bottom: 8px; color: var(--primary-dark); line-height: 1.25; }
.hero p { color: var(--muted); font-size: clamp(0.95rem, 2.5vw, 1.05rem); max-width: 640px; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 20px; }
.card { display: block; background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px; transition: box-shadow .15s, transform .15s; }
.card:hover, .card:active { box-shadow: 0 4px 14px rgba(0,0,0,0.08); transform: translateY(-2px); text-decoration: none; }
.card h2 { margin: 0 0 8px; font-size: 1.08rem; color: var(--primary-dark); }
.card p { margin: 0; color: var(--muted); font-size: 0.92rem; }

.note { margin-top: 32px; padding: 14px 18px; background: #f0f3ef; border-left: 3px solid var(--primary); border-radius: 4px; font-size: 0.9rem; color: var(--muted); }

h1 { color: var(--primary-dark); font-size: clamp(1.4rem, 4.5vw, 1.8rem); line-height: 1.3; }
h2 { color: var(--primary-dark); font-size: clamp(1.1rem, 3.5vw, 1.3rem); margin-top: 28px; line-height: 1.35; }
h3 { line-height: 1.35; }
ul, ol { padding-left: 22px; }
li { margin-bottom: 6px; }
p, li { word-wrap: break-word; overflow-wrap: break-word; }

.table-scroll { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 16px 0; }
.data-table { width: 100%; min-width: 320px; border-collapse: collapse; margin: 0; }
.data-table th, .data-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.data-table th { background: #f0f3ef; color: var(--primary-dark); }

.site-footer { background: var(--primary-dark); color: #cfd8d1; padding: 24px 0; margin-top: 40px; font-size: 0.85rem; }
.site-footer .wrap p { margin: 4px 0; }
.site-footer a { color: #e9efe9; }
.site-footer a:hover { color: #fff; }
.site-footer .credit { color: #9fb0a4; }

.section-heading { margin-top: 36px; font-size: clamp(1.1rem, 3.5vw, 1.3rem); color: var(--primary-dark); }
main.wrap > .section-heading:first-of-type { margin-top: 0; }

.updated-date { color: var(--muted); font-size: 0.85rem; margin: -8px 0 20px; font-style: italic; }

.weather-loading { color: var(--muted); font-style: italic; }
.weather-current { display: flex; align-items: center; gap: 18px; background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin: 16px 0; }
.weather-icon { font-size: 3rem; line-height: 1; }
.weather-temp { font-size: 2rem; font-weight: 700; color: var(--primary-dark); }
.weather-desc { color: var(--text); font-weight: 600; }
.weather-meta { color: var(--muted); font-size: 0.85rem; margin-top: 4px; }
.weather-forecast { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: 10px; margin: 10px 0; }
.weather-day { background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px; padding: 12px 8px; text-align: center; }
.weather-day-name { font-size: 0.82rem; color: var(--muted); font-weight: 600; }
.weather-day-icon { font-size: 1.6rem; margin: 4px 0; }
.weather-day-temp { font-size: 0.9rem; font-weight: 600; color: var(--primary-dark); }
.weather-day-rain { font-size: 0.72rem; color: var(--muted); }
.weather-updated { font-size: 0.78rem; color: var(--muted); margin-top: 8px; }
.weather-error { color: var(--muted); font-size: 0.9rem; }

.faq-block { margin-top: 12px; }
.faq-item { border-top: 1px solid var(--border); padding: 14px 0; }
.faq-item h3 { margin: 0 0 6px; font-size: 1.02rem; color: var(--primary-dark); }
.faq-item p { margin: 0; color: var(--text); }

/* Tap-friendly targets on touch devices */
@media (hover: none) {
  a { padding-top: 1px; padding-bottom: 1px; }
}