:root{--ink:#142b2e;--deep:#0b2425;--forest:#1c5b4c;--green:#318c6a;--mint:#bfe9d4;--pale:#eef8f2;--amber:#f1b54a;--sky:#80c5d2;--white:#fff;--muted:#5d7475;--line:#d5e5df;--radius:18px;--shadow:0 20px 55px rgba(12,48,43,.13)}
*{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;color:var(--ink);background:#fff;line-height:1.7}a{color:#176e5a;text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:#0c493b}img{max-width:100%;height:auto}.wrap{width:min(1200px,calc(100% - 42px));margin:auto}
.publisher-bar{background:#071c1d;color:#d5e8e2;font-size:.86rem}.publisher-bar .wrap{display:flex;gap:16px;justify-content:space-between;align-items:center;padding:8px 0}.publisher-bar a{color:#fff}header{position:sticky;top:0;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);z-index:50}.nav{height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}.logo img{width:322px;display:block}nav ul{display:flex;list-style:none;gap:17px;margin:0;padding:0;align-items:center}nav a{text-decoration:none;font-weight:720;color:var(--ink);font-size:.92rem}.menu-button{display:none;background:none;border:0;font-size:1.5rem}.button,.button-outline{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:11px;font-weight:800;text-decoration:none;border:0;cursor:pointer;transition:.2s}.button{background:var(--amber);color:#2c2209;box-shadow:0 9px 25px rgba(241,181,74,.22)}.button:hover{transform:translateY(-1px);color:#2c2209}.button-outline{border:1px solid #7b9c93;color:var(--ink);background:#fff}.light{background:transparent;color:#fff;border-color:#9bc9bd}.hero{background:radial-gradient(circle at 78% 30%,rgba(128,197,210,.25),transparent 31%),linear-gradient(128deg,#071b1d,#123c37 54%,#1b6551);color:#fff;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(30deg,rgba(255,255,255,.035) 12%,transparent 12.5%,transparent 87%,rgba(255,255,255,.035) 87.5%),linear-gradient(150deg,rgba(255,255,255,.035) 12%,transparent 12.5%,transparent 87%,rgba(255,255,255,.035) 87.5%);background-size:44px 76px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;padding:88px 0;align-items:center;position:relative;z-index:2}.eyebrow,.section-kicker{text-transform:uppercase;letter-spacing:.145em;font-weight:860;font-size:.74rem;color:var(--amber)}h1{font-size:clamp(2.55rem,5vw,4.65rem);line-height:1.02;letter-spacing:-.046em;margin:.2em 0}.hero p{font-size:1.18rem;color:#d9eee7;max-width:770px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero .button-outline{background:transparent;color:#fff;border-color:#9bc9bd}.hero-card{background:rgba(255,255,255,.065);border:1px solid rgba(255,255,255,.17);padding:20px;border-radius:var(--radius);box-shadow:var(--shadow)}.diagram-note{font-size:.82rem!important;color:#b7d8d0!important;margin:.5rem 0 0!important;text-align:center}.trust-row{width:100vw;margin-left:calc(50% - 50vw);background:#eaf5ef;border-bottom:1px solid var(--line)}.trust-row .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#cfe3da}.trust-item{background:#eaf5ef;padding:22px}.trust-item strong{display:block;color:var(--deep);font-size:1.08rem}
main{min-height:60vh}.content-wrap{width:min(955px,calc(100% - 42px));margin:0 auto;padding:70px 0}.content-section{margin:0 0 68px}.content-section h2{font-size:clamp(1.8rem,3vw,2.72rem);line-height:1.14;letter-spacing:-.026em;margin:.25em 0 .55em}.content-section h3{margin-top:1.65em}.content-section p,.content-section li{font-size:1.04rem}.lead{font-size:1.22rem;color:#405e5d}.callout{padding:24px 26px;border-left:5px solid var(--green);background:#edf9f3;border-radius:0 var(--radius) var(--radius) 0;margin:28px 0}.warning{border-color:#d98935;background:#fff6e9}.grid-2,.grid-3{display:grid;gap:21px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;box-shadow:0 11px 32px rgba(15,61,52,.06)}.card h3{margin-top:0}.checklist{list-style:none;padding:0}.checklist li{position:relative;padding-left:31px;margin:10px 0}.checklist li:before{content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:900}.steps{display:grid;gap:15px}.step{display:grid;grid-template-columns:54px 1fr;gap:18px;border:1px solid var(--line);border-radius:var(--radius);padding:19px 22px;background:#fff}.step>span{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--forest);color:#fff;font-weight:900}.step h3{margin:0 0 4px}.step p{margin:0;color:#4e6867}table{width:100%;border-collapse:collapse;margin:24px 0;font-size:.94rem}th,td{padding:14px;border:1px solid var(--line);text-align:left;vertical-align:top}th{background:#e7f3ed;color:var(--deep)}.table-scroll{overflow:auto}.cta-band{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;background:linear-gradient(125deg,#0d2c2b,#1b5f4e);color:#fff;border-radius:23px;padding:40px;margin:60px 0}.cta-band h2{margin:.2rem 0}.cta-band p{color:#d8ece6}.cta-actions{display:flex;gap:12px;flex-wrap:wrap}.faq details{border-top:1px solid var(--line);padding:18px 0}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:780;font-size:1.05rem}.faq-answer{padding:12px 0;color:#415f5d}.source-list li{margin-bottom:14px}
footer{background:#071c1d;color:#d3e5df;margin-top:75px}footer .wrap{padding:58px 0 28px}.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .85fr;gap:48px}footer h3{color:#fff}footer a{color:#d9eee7}.fineprint{border-top:1px solid #2a4d48;margin-top:38px;padding-top:20px;font-size:.84rem;color:#9fbcb5}.ap-seal{display:inline-block;border:1px solid #3c6c61;border-radius:999px;padding:6px 11px;color:#d8ece6;font-size:.82rem}.breadcrumb{font-size:.86rem;color:#667e7b;margin-bottom:22px}.page-hero{background:linear-gradient(180deg,#f3f9f5,#eaf4ef);border-bottom:1px solid var(--line)}.page-hero .wrap{padding:62px 0 54px}.page-hero h1{font-size:clamp(2.35rem,4.5vw,3.95rem);color:var(--deep);max-width:980px}.page-hero p{font-size:1.18rem;color:#456762;max-width:875px}.article-meta{display:flex;gap:18px;flex-wrap:wrap;color:#657d79;font-size:.87rem;margin-top:20px}
.selector-card{border:1px solid var(--line);border-radius:22px;padding:28px;background:var(--pale);box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.form-grid label,.sheet-grid label,.field-sheet>label{display:grid;gap:7px;font-weight:760}.form-grid select,.sheet-grid input,.field-sheet input,.field-sheet textarea{width:100%;padding:12px 13px;border:1px solid #a9c2ba;border-radius:9px;background:#fff;font:inherit;color:var(--ink)}.selector-actions{display:flex;gap:12px;margin-top:22px}.selector-result{margin-top:24px;border-left:5px solid var(--amber);border-radius:0 14px 14px 0;background:#fff7e8;padding:22px}.selector-result h3{margin-top:0}.selector-result .result-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.result-tag{display:inline-block;padding:5px 9px;border-radius:999px;background:#d9eee5;color:#164c3e;font-size:.8rem;font-weight:800}.field-sheet{border:1px solid #b7ccc5;border-radius:10px;padding:28px;background:#fff;margin-top:25px}.sheet-grid,.sheet-sign{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.field-sheet h3{border-bottom:2px solid var(--forest);padding-bottom:7px;margin-top:28px}.field-sheet textarea{resize:vertical}.sheet-sign{margin-top:26px}.no-print{display:block}
@media(max-width:1080px){nav ul{gap:11px}nav a{font-size:.86rem}.logo img{width:270px}.cta-band{grid-template-columns:1fr}}
@media(max-width:930px){.hero-grid,.footer-grid,.grid-3,.grid-2,.form-grid,.selector-result .result-grid,.sheet-grid,.sheet-sign{grid-template-columns:1fr}.trust-row .wrap{grid-template-columns:1fr 1fr}nav ul{display:none;position:absolute;top:81px;left:0;right:0;background:#fff;padding:20px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}nav ul.open{display:flex}.menu-button{display:block}.logo img{width:235px}.publisher-bar .wrap{display:block;text-align:center}.hero-card{max-width:650px}.hero-grid{padding:66px 0}}
@media(max-width:560px){.trust-row .wrap{grid-template-columns:1fr}.wrap,.content-wrap{width:min(100% - 28px,1200px)}h1{font-size:2.42rem}.page-hero .wrap{padding-top:46px}.step{grid-template-columns:44px 1fr;padding:16px}.cta-band{padding:28px}.field-sheet{padding:17px}}
@media print{.publisher-bar,header,footer,.no-print,.cta-band{display:none!important}.page-hero{background:#fff;border:0}.page-hero .wrap{padding:0 0 18px}.page-hero h1{font-size:24pt}.content-wrap{width:100%;padding:0}.content-section{margin:0}.field-sheet{border:1px solid #333;box-shadow:none}.field-sheet input,.field-sheet textarea{border:0;border-bottom:1px solid #666;border-radius:0}.observation-page .content-section:not(:first-child){page-break-before:always}}