:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #21352d;
  background: #f5f8f2;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 34px 18px;
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(187, 225, 196, .65), transparent 34%),
    linear-gradient(180deg, #fbfdf8 0%, #f5f8f2 52%, #ffffff 100%);
}
a { color: #174f38; font-weight: 800; }
.resource-shell { max-width: 1080px; margin: 0 auto; }
.resource-nav {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px;
  margin-bottom: 22px; padding: 10px 14px;
  border: 1px solid rgba(207, 228, 209, .85); border-radius: 18px;
  background: rgba(255, 255, 255, .68); backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(52,75,54,.08);
}
.resource-nav a {
  position: relative; display: inline-flex; align-items: center; gap: 8px;
  min-height: 34px; padding: 6px 2px; color: #34564a;
  text-decoration: none; font-size: 14px; font-weight: 800;
  border-bottom: 2px solid transparent;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}
.resource-nav a:hover { color: #0d5b35; border-bottom-color: #38b768; }
.resource-nav .resource-home {
  margin-right: 6px; padding: 7px 12px; border: 1px solid #cfe4d1;
  border-radius: 999px; background: #f4fbf4; color: #0d4b2f;
  box-shadow: 0 8px 20px rgba(52,75,54,.08);
}
.resource-nav .resource-home:hover { border-color: #9fd0a6; border-bottom-color: #9fd0a6; background: #ebf8ee; }
.resource-hero {
  position: relative; overflow: hidden; padding: clamp(28px, 5vw, 54px);
  border: 1px solid #dfe9d7; border-radius: 26px; background: rgba(255,255,255,.9);
  box-shadow: 0 24px 70px rgba(52,75,54,.14); animation: resourceFade .45s ease both;
}
.resource-hero::after {
  content: ""; position: absolute; width: 290px; height: 290px; right: -110px; top: -115px;
  border-radius: 50%; background: radial-gradient(circle, rgba(48,174,92,.2), transparent 68%); pointer-events: none;
}
.resource-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; padding: 8px 12px; border-radius: 999px; background: #e9f8ec; color: #115c35; font-size: 13px; font-weight: 900; text-transform: uppercase; letter-spacing: .04em; }
h1 { margin: 0 0 14px; max-width: 820px; font-size: clamp(32px, 5vw, 58px); line-height: 1.05; letter-spacing: 0; }
.resource-lede { max-width: 790px; margin: 0; color: #52665e; font-size: 18px; line-height: 1.72; }
.resource-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.resource-chip { display: inline-flex; align-items: center; gap: 8px; border: 1px solid #cfe4d1; background: #fbfef9; color: #174f38; border-radius: 999px; padding: 9px 12px; font-weight: 800; }
.resource-layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 24px; margin-top: 24px; }
.resource-panel, .resource-toc, .resource-cta {
  border: 1px solid #dfe9d7; border-radius: 22px; background: rgba(255,255,255,.92); box-shadow: 0 18px 45px rgba(52,75,54,.1);
}
.resource-panel { padding: clamp(22px, 4vw, 34px); }
.resource-toc { position: sticky; top: 18px; align-self: start; padding: 20px; }
.resource-toc h2, .resource-card h2 { margin-top: 0; }
.resource-toc ul { margin: 0; padding-left: 20px; color: #5c7168; line-height: 1.85; }
.resource-section { margin-top: 34px; padding-top: 30px; border-top: 1px solid #e5edde; }
.resource-section:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.resource-section h2 { margin: 0 0 12px; font-size: 25px; letter-spacing: 0; }
p, li { color: #52665e; line-height: 1.72; }
.resource-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 16px; }
.resource-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.resource-card { padding: 19px; border: 1px solid #dfe9d7; border-radius: 18px; background: linear-gradient(180deg, #ffffff 0%, #fbfdf8 100%); transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.resource-card:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(52,75,54,.13); border-color: #bfdcbd; }
.resource-icon { width: 44px; height: 44px; display: inline-grid; place-items: center; margin-bottom: 14px; border-radius: 15px; background: #eaf8ed; color: #14613a; font-size: 23px; font-weight: 900; }
.resource-note { margin: 20px 0; padding: 18px 20px; border: 1px solid #bee1c5; border-radius: 18px; background: #edf9ee; color: #174f38; }
.resource-warning { border-color: #f4d3a4; background: #fff8ed; color: #76521c; }
pre { overflow: auto; border: 1px solid #dfe9d7; border-radius: 16px; background: #10251d; color: #e8f7ee; padding: 18px; line-height: 1.6; }
code { background: #f1f7ed; color: #174f38; border: 1px solid #d9ead3; border-radius: 7px; padding: 2px 6px; }
.resource-cta { margin-top: 24px; padding: 22px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; }
.resource-cta p { margin: 0; }
.resource-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.resource-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; border-radius: 999px; padding: 10px 16px; text-decoration: none; color: #fff; background: #159447; font-weight: 900; box-shadow: 0 12px 26px rgba(21,148,71,.22); }
.resource-button.secondary { color: #174f38; background: #f4fbf4; border: 1px solid #cfe4d1; box-shadow: none; }
.resource-footer { max-width: 1080px; margin: 24px auto 0; color: #60746b; font-size: 14px; text-align: center; }
@keyframes resourceFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 920px) { .resource-layout { grid-template-columns: 1fr; } .resource-toc { position: static; } .resource-grid, .resource-grid.three { grid-template-columns: 1fr; } }
@media (max-width: 620px) { body { padding: 16px 10px; } .resource-nav { gap: 6px 12px; padding: 10px; } .resource-nav a:not(.resource-home) { flex: 1 1 auto; justify-content: center; } .resource-nav .resource-home, .resource-button { width: 100%; justify-content: center; } .resource-hero, .resource-panel, .resource-cta { border-radius: 18px; } }