:root {
  color-scheme: light;
  --ink: #172b35;
  --muted: #52636a;
  --line: #dce5df;
  --paper: #f5f7f2;
  --surface: #ffffff;
  --accent: #087d71;
  --accent-dark: #075c54;
  --accent-soft: #e5f4ef;
  --gold: #f1c478;
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); }
a { color: var(--accent-dark); text-underline-offset: .2em; }
a:hover { color: #0b9283; }
button, input { font: inherit; }
:focus-visible { outline: 3px solid #f2ac4b; outline-offset: 3px; }
.container { width: min(100% - 36px, 1160px); margin-inline: auto; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 30; padding: 10px 14px; background: var(--ink); color: white; }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .96); backdrop-filter: blur(12px); }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-weight: 800; line-height: 1.13; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--ink); color: white; font-size: .88rem; letter-spacing: -.04em; }
.brand small { display: block; margin-top: 3px; color: var(--muted); font-size: .68rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.primary-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
.primary-nav > a, .primary-nav summary { display: inline-flex; align-items: center; gap: 7px; min-height: 42px; padding: 9px 13px; border-radius: 10px; color: var(--muted); font-size: .92rem; font-weight: 650; text-decoration: none; cursor: pointer; list-style: none; }
.primary-nav summary::-webkit-details-marker { display: none; }
.primary-nav summary::after { content: "⌄"; font-size: 1.1rem; line-height: 1; }
.primary-nav > a:hover, .primary-nav summary:hover, .primary-nav [aria-current="page"], .primary-nav details[open] > summary { color: var(--accent-dark); background: var(--accent-soft); }
.nav-group { position: relative; }
.nav-menu { position: absolute; right: 0; top: calc(100% + 8px); min-width: 230px; padding: 8px; border: 1px solid var(--line); border-radius: 14px; background: white; box-shadow: 0 18px 40px rgba(23, 43, 53, .12); }
.nav-menu a { display: block; padding: 10px 12px; border-radius: 9px; color: var(--ink); font-size: .9rem; text-decoration: none; }
.nav-menu a:hover, .nav-menu a[aria-current="page"] { background: var(--accent-soft); color: var(--accent-dark); }

main { min-height: calc(100vh - 180px); }
.section { padding-block: 62px; }
.section-tight { padding-block: 42px; }
.section-label, .eyebrow { margin: 0 0 12px; color: var(--accent-dark); font-size: .76rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; letter-spacing: -.035em; line-height: 1.15; }
h1 { font-size: clamp(2.5rem, 6vw, 4.8rem); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.55rem); }
h3 { font-size: 1.2rem; }
p { line-height: 1.7; }
.lead { max-width: 66ch; color: var(--muted); font-size: clamp(1.04rem, 1.5vw, 1.16rem); }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.flow > * + * { margin-top: 18px; }
.hero { padding-block: 70px 58px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(290px, .65fr); align-items: stretch; gap: 24px; }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(30px, 5vw, 66px); border-radius: 28px; background: #e9f3ed; background-image: radial-gradient(circle at 90% 12%, rgba(241, 196, 120, .34), transparent 30%); }
.hero-copy h1 { max-width: 12ch; margin-bottom: 17px; }
.hero-copy .lead { margin-top: 0; }
.hero-actions, .button-row { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 22px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 45px; padding: 11px 17px; border: 1px solid var(--accent); border-radius: 10px; background: var(--accent); color: white; font-size: .91rem; font-weight: 750; text-decoration: none; transition: transform .2s ease, background .2s ease; }
.button:hover { color: white; background: var(--accent-dark); transform: translateY(-2px); }
.button-secondary { border-color: #a8c8bd; background: transparent; color: var(--accent-dark); }
.button-secondary:hover { background: white; color: var(--accent-dark); }
.button-light { border-color: rgba(255,255,255,.6); background: white; color: var(--accent-dark); }
.button-light:hover { background: #eef9f5; color: var(--accent-dark); }
.hero-panel { display: flex; flex-direction: column; justify-content: space-between; padding: 34px; border-radius: 28px; background: var(--ink); color: white; overflow: hidden; position: relative; }
.hero-panel::after { content: "01"; position: absolute; right: -8px; bottom: -57px; color: rgba(255,255,255,.06); font-size: 14rem; font-weight: 900; line-height: 1; pointer-events: none; }
.hero-panel .section-label { color: var(--gold); }
.hero-panel h2 { max-width: 11ch; margin-bottom: 28px; font-size: 2.1rem; }
.hero-panel ul { position: relative; z-index: 1; padding: 0; margin: 0; list-style: none; }
.hero-panel li { padding: 11px 0; border-top: 1px solid rgba(255,255,255,.19); font-weight: 600; }
.hero-panel li span { display: inline-block; width: 28px; color: var(--gold); }
.hero-panel a { position: relative; z-index: 1; align-self: flex-start; margin-top: 25px; color: white; font-weight: 700; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 18px; margin-bottom: 26px; }
.section-heading h2 { margin-bottom: 0; }
.text-link { font-size: .92rem; font-weight: 750; white-space: nowrap; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.card { padding: 25px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: 0 8px 24px rgba(23, 43, 53, .035); }
.card h3 { margin-bottom: 9px; }
.card p { margin: 0 0 18px; color: var(--muted); }
.card a { font-weight: 750; }
.card-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 22px; border-radius: 11px; background: var(--accent-soft); color: var(--accent-dark); font-size: 1.18rem; font-weight: 800; }
.meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; }
.tag { display: inline-flex; align-items: center; padding: 5px 9px; border-radius: 999px; background: #edf2ee; color: #466055; font-size: .76rem; font-weight: 700; }
.tag-gold { background: #fff1d9; color: #805216; }
.feature-strip { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; padding: 32px; border-radius: 22px; background: #dfece7; }
.feature-strip h2 { margin-bottom: 10px; }
.feature-strip p { margin: 0; }
.feature-strip .button-row { align-items: center; justify-content: flex-end; margin: 0; }
.page-head { padding: 56px 0 42px; border-bottom: 1px solid var(--line); }
.page-head h1 { max-width: 16ch; margin-bottom: 16px; font-size: clamp(2.35rem, 5vw, 4rem); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 26px; color: var(--muted); font-size: .85rem; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs span[aria-current] { color: var(--ink); font-weight: 700; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 38px; align-items: start; }
.rail { position: sticky; top: 96px; padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: white; }
.rail strong { display: block; margin-bottom: 10px; font-size: .85rem; }
.rail a { display: block; padding: 8px 0; color: var(--muted); font-size: .86rem; text-decoration: none; }
.rail a:hover { color: var(--accent-dark); }
.article-section { scroll-margin-top: 104px; margin-bottom: 45px; }
.article-section h2 { margin-bottom: 14px; font-size: 1.8rem; }
.article-section > p:first-of-type { margin-top: 0; }
.article-section ul { padding-left: 22px; line-height: 1.75; }
.article-section li + li { margin-top: 6px; }
.note { padding: 18px 20px; border-left: 4px solid var(--accent); border-radius: 0 12px 12px 0; background: var(--accent-soft); color: #28524b; }
.note p { margin: 0; }
.note p + p { margin-top: 9px; }
.note-warm { border-color: #db9d3c; background: #fff4df; color: #72501b; }
.resource-list { display: grid; gap: 12px; }
.resource-item { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 13px; background: white; }
.resource-item h3 { margin: 0 0 4px; font-size: 1rem; }
.resource-item p { margin: 0; color: var(--muted); font-size: .86rem; }
.resource-item a { flex: none; font-size: .87rem; font-weight: 750; }
.step-list { display: grid; gap: 16px; padding: 0; margin: 0; list-style: none; counter-reset: steps; }
.step { position: relative; padding: 24px 25px 24px 76px; border: 1px solid var(--line); border-radius: 17px; background: white; counter-increment: steps; }
.step::before { content: counter(steps, decimal-leading-zero); position: absolute; top: 23px; left: 23px; display: grid; place-items: center; width: 37px; height: 37px; border-radius: 10px; background: var(--accent-soft); color: var(--accent-dark); font-size: .81rem; font-weight: 900; }
.step h3 { margin: 0 0 7px; }
.step p { margin: 0; color: var(--muted); }
.step p + p, .step ul, .step .button-row { margin-top: 13px; }
.step code, .article-section code { padding: .15em .35em; border-radius: 4px; background: #edf2ef; color: #1b5b54; font-size: .89em; }
pre { overflow-x: auto; padding: 19px; border-radius: 13px; background: #172b35; color: #e7f6ee; line-height: 1.6; }
pre code { padding: 0 !important; background: none !important; color: inherit !important; }
.checklist { padding: 22px; border: 1px solid var(--line); border-radius: 17px; background: white; }
.checklist-head { display: flex; justify-content: space-between; gap: 15px; align-items: baseline; }
.checklist-head h3 { margin-bottom: 10px; }
.checklist progress { display: block; width: 100%; height: 12px; margin: 2px 0 20px; accent-color: var(--accent); }
.checklist label { display: flex; align-items: flex-start; gap: 11px; padding: 11px 0; border-top: 1px solid var(--line); cursor: pointer; line-height: 1.5; }
.checklist input { flex: none; width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--accent); }
.pdf-frame { width: 100%; min-height: 650px; border: 1px solid var(--line); border-radius: 13px; background: white; }
.site-footer { padding: 38px 0; border-top: 1px solid var(--line); background: #eef2ed; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; }
.footer-inner p { margin: 0; color: var(--muted); font-size: .85rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-links a { font-size: .85rem; font-weight: 700; }

@media (max-width: 900px) {
  .hero-grid, .feature-strip, .content-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rail { position: static; order: -1; }
  .feature-strip .button-row { justify-content: flex-start; }
}
@media (max-width: 680px) {
  .container { width: min(100% - 28px, 1160px); }
  .header-inner { align-items: flex-start; flex-direction: column; gap: 8px; padding-block: 12px; }
  .primary-nav { width: 100%; justify-content: space-between; }
  .primary-nav > a, .primary-nav summary { padding-inline: 8px; font-size: .82rem; }
  .nav-menu { left: 0; right: auto; }
  .hero { padding-block: 30px 45px; }
  .hero-copy, .hero-panel { padding: 26px; border-radius: 20px; }
  .card-grid { grid-template-columns: 1fr; }
  .section { padding-block: 45px; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .page-head { padding-block: 34px; }
  .resource-item { align-items: flex-start; flex-direction: column; }
  .step { padding: 70px 19px 20px; }
  .step::before { top: 20px; left: 19px; }
  .footer-inner { flex-direction: column; }
  .pdf-frame { min-height: 500px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button { transition: none; } }