:root{--bg:#f6f7f4;--surface:#fff;--ink:#15201d;--muted:#60706b;--line:#dfe5e1;--brand:#123f35;--brand2:#dfeee8;--accent:#b56b38;--shadow:0 10px 30px rgba(20,48,40,.08);--radius:18px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:#0b2e27}img,svg{max-width:100%}.skip{position:absolute;left:-999px;top:0}.skip:focus{left:1rem;top:1rem;background:#fff;padding:.7rem 1rem;z-index:1000}.site-header{position:sticky;top:0;z-index:50;background:rgba(246,247,244,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,229,225,.9)}.header-inner{max-width:var(--max);margin:auto;padding:.75rem 1.15rem;display:flex;align-items:center;gap:1.2rem}.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}.brand img{width:38px;height:38px}.main-nav{margin-left:auto;display:flex;align-items:center;gap:.25rem}.main-nav a{font-size:.92rem;font-weight:650;text-decoration:none;padding:.55rem .65rem;border-radius:10px;color:#263a34}.main-nav a:hover,.main-nav a[aria-current="page"]{background:var(--brand2);color:var(--brand)}.nav-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:10px;padding:.6rem .75rem;font-weight:700}.hero{max-width:var(--max);margin:auto;padding:4.4rem 1.15rem 2.6rem;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:3rem;align-items:center}.hero-copy{max-width:760px}.eyebrow,.kicker{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;font-weight:800;color:var(--accent)}h1{font-size:clamp(2.25rem,5.5vw,4.7rem);line-height:1.02;letter-spacing:-.055em;margin:.7rem 0 1.15rem;max-width:980px}h2{font-size:clamp(1.55rem,3vw,2.4rem);line-height:1.15;letter-spacing:-.035em;margin:0 0 1rem}h3{font-size:1.12rem;line-height:1.25;margin:.3rem 0 .6rem}.lead{font-size:clamp(1.08rem,2vw,1.28rem);color:#43544f;max-width:800px}.hero-visual{background:linear-gradient(145deg,#e5f1ed,#f3e7db);border-radius:28px;overflow:hidden;box-shadow:var(--shadow);min-height:320px;display:grid;place-items:center}.hero-visual img{width:100%;height:auto}.breadcrumbs{max-width:var(--max);margin:0 auto;padding:1rem 1.15rem 0;font-size:.85rem;color:var(--muted)}.breadcrumbs ol{display:flex;gap:.45rem;list-style:none;padding:0;margin:0;flex-wrap:wrap}.breadcrumbs li+li:before{content:"/";margin-right:.45rem;color:#9aa6a2}.breadcrumbs a{color:var(--muted)}.content{max-width:var(--max);margin:auto;padding:1.6rem 1.15rem 5rem}.section{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.25rem,3vw,2.2rem);margin:1rem 0 1.25rem;box-shadow:0 2px 12px rgba(20,48,40,.03)}.section p:first-of-type{margin-top:0}.section p:last-child{margin-bottom:0}.section ul,.section ol{padding-left:1.25rem}.section li{margin:.45rem 0}.callout{margin:1.25rem 0;padding:1rem 1.15rem;border-radius:14px;background:#f0f6f3;border-left:4px solid var(--brand)}.callout strong{display:block;margin-bottom:.3rem}.callout.warn{background:#fff5ea;border-color:var(--accent)}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.card{background:#f9faf8;border:1px solid var(--line);border-radius:15px;padding:1.2rem}.card a{font-weight:750}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem;margin:1.2rem 0}.stat{padding:1rem;border:1px solid var(--line);border-radius:14px;background:#fff}.stat b{display:block;font-size:1.45rem}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;margin:1.2rem 0;background:#fff}table{width:100%;border-collapse:collapse;min-width:650px;font-size:.94rem}caption{text-align:left;padding:1rem;font-weight:800;background:#f1f5f3}th,td{text-align:left;padding:.78rem .9rem;border-top:1px solid var(--line);vertical-align:top}thead th{background:#f8faf9;border-top:0;font-size:.83rem;text-transform:uppercase;letter-spacing:.04em}tbody tr:hover{background:#fbfcfb}.source-link{word-break:break-word}.article-meta{display:flex;gap:.8rem;flex-wrap:wrap;font-size:.85rem;color:var(--muted);margin-top:1rem}.related{padding-top:.5rem}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.85rem}.related a{display:block;background:#eef4f1;border-radius:14px;padding:1rem;text-decoration:none;font-weight:700}.contact-card{display:flex;flex-direction:column;gap:.3rem;padding:1.2rem;border-radius:14px;background:#eef4f1}.contact-card a{font-size:1.25rem;font-weight:800}.site-footer{background:#102a24;color:#dfeae6}.footer-inner{max-width:var(--max);margin:auto;padding:2.6rem 1.15rem;display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem}.site-footer a{color:#eaf4f0}.site-footer h2{font-size:1.25rem;letter-spacing:-.02em}.footer-links{display:flex;flex-direction:column;gap:.45rem}.footer-note{border-top:1px solid rgba(255,255,255,.12);max-width:var(--max);margin:auto;padding:1rem 1.15rem 1.4rem;font-size:.82rem;color:#b8c9c4}.pill{display:inline-flex;align-items:center;gap:.35rem;background:var(--brand2);color:var(--brand);padding:.35rem .65rem;border-radius:999px;font-size:.82rem;font-weight:750;text-decoration:none}.faq details{border-top:1px solid var(--line);padding:1rem 0}.faq details:first-child{border-top:0}.faq summary{cursor:pointer;font-weight:800}.note-small{font-size:.85rem;color:var(--muted)}
@media(max-width:900px){.hero{grid-template-columns:1fr;padding-top:3rem}.hero-visual{min-height:220px}.card-grid,.related-grid{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1fr 1fr}.footer-inner>div:first-child{grid-column:1/-1}.main-nav{display:none;position:absolute;left:1rem;right:1rem;top:64px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:.6rem;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:.8rem}.nav-toggle{display:block}}
@media(max-width:620px){h1{font-size:clamp(2rem,10vw,3.15rem)}.hero{padding:2.5rem 1rem 1.6rem;gap:1.5rem}.content{padding:1rem 1rem 3.5rem}.section{padding:1.15rem}.card-grid,.related-grid,.stats{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.footer-inner>div:first-child{grid-column:auto}.header-inner{padding:.65rem 1rem}.brand span{font-size:.95rem}.hero-visual{min-height:180px}.table-wrap{margin-left:-.3rem;margin-right:-.3rem}table{font-size:.88rem;min-width:610px}th,td{padding:.7rem}.breadcrumbs{padding-left:1rem}.article-meta{font-size:.8rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

/* v5 architecture refinements */
.main-nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--brand)}
.section code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:#eef4f1;padding:.15rem .35rem;border-radius:6px}
.section .card-grid+.note-small{margin-top:1rem}.section h3{margin-top:.45rem}.hero-copy .article-meta a{font-weight:650}
@media(max-width:900px){.main-nav a[aria-current="page"]{box-shadow:none;border-left:3px solid var(--brand)}}