:root{--ink:#122b38;--muted:#5d7481;--brand:#087f68;--brand-dark:#05614f;--line:#dbe5e8;--paper:#fff;--wash:#eef5f4;--page:#f6f9f9}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--page);color:var(--ink);font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.72}
a{color:var(--brand);text-underline-offset:3px}a:hover{color:var(--brand-dark)}
.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:12px;z-index:20;background:#fff;padding:10px 14px;border-radius:8px}
.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px;padding:10px max(20px,calc((100vw - 1120px)/2));background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:1.17rem;font-weight:800;text-decoration:none}.brand img{width:34px;height:34px;border-radius:10px}
.site-nav{display:flex;align-items:center;gap:22px}.site-nav a{color:#405b67;font-weight:650;text-decoration:none}.site-nav a[aria-current=page]{color:var(--brand)}
.button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:0 19px;border-radius:10px;background:var(--brand);color:#fff!important;font-weight:750;text-decoration:none}.button:hover{background:var(--brand-dark)}.button.secondary{background:#fff;color:var(--ink)!important;border:1px solid var(--line)}
.container{width:min(1040px,calc(100% - 32px));margin:0 auto;padding:52px 0 72px}.breadcrumbs{display:flex;gap:8px;align-items:center;margin-bottom:20px;color:var(--muted);font-size:.84rem}.breadcrumbs a{color:var(--muted)}
.hero{padding:clamp(28px,5vw,58px);border:1px solid #d5e4e1;border-radius:24px;background:linear-gradient(145deg,var(--wash),#fff);box-shadow:0 18px 50px rgba(18,43,56,.06)}
.eyebrow{margin:0 0 12px;color:var(--brand);font-size:.78rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase}h1,h2,h3{line-height:1.14;letter-spacing:-.025em}h1{max-width:17ch;margin:0;font-size:clamp(2.35rem,6vw,4.7rem)}.hero>p:not(.eyebrow):not(.byline){max-width:760px;margin:18px 0 0;color:#48636f;font-size:1.08rem}.byline{margin:20px 0 0;color:var(--muted);font-size:.86rem}
.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:28px}.post-card{display:flex;min-height:245px;flex-direction:column;padding:26px;border:1px solid var(--line);border-radius:18px;background:var(--paper);text-decoration:none;box-shadow:0 10px 30px rgba(18,43,56,.04)}.post-card:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(18,43,56,.08)}.post-card small{color:var(--brand);font-weight:800;letter-spacing:.05em;text-transform:uppercase}.post-card h2{margin:12px 0;font-size:1.45rem;color:var(--ink)}.post-card p{margin:0;color:var(--muted)}.post-card span{margin-top:auto;padding-top:20px;color:var(--brand);font-weight:750}
.article{width:min(790px,100%);margin:28px auto 0;padding:clamp(24px,5vw,48px);border:1px solid var(--line);border-radius:20px;background:var(--paper)}.article h2{margin:38px 0 12px;font-size:clamp(1.55rem,3.5vw,2.15rem)}.article h2:first-child{margin-top:0}.article h3{margin:28px 0 8px}.article p,.article li{color:#49636f}.article li+li{margin-top:10px}.article .answer{margin:0 0 28px;padding:20px 22px;border-left:4px solid var(--brand);border-radius:0 10px 10px 0;background:var(--wash);color:var(--ink);font-size:1.08rem}.note{padding:18px 20px;border:1px solid var(--line);border-radius:12px;background:#f9fbfb}.next-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:28px}.next-links a{padding:18px;border:1px solid var(--line);border-radius:12px;background:#fff;font-weight:700;text-decoration:none}
.site-footer{padding:34px 20px;border-top:1px solid var(--line);background:#fff;text-align:center;color:var(--muted)}.footer-links{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-bottom:10px}.footer-links a{color:#48636f}:focus-visible{outline:3px solid var(--brand);outline-offset:4px}
@media(max-width:720px){.site-header{align-items:flex-start;flex-direction:column;gap:8px}.site-nav{width:100%;gap:16px;overflow-x:auto;padding-bottom:4px}.site-nav .button{display:none}.container{padding-top:30px}.post-grid,.next-links{grid-template-columns:1fr}h1{font-size:2.45rem}.hero{border-radius:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.post-card{transition:none}}