:root{
  --navy:#0E2A47; --navy-2:#173B61; --ink:#0F2236; --ink-2:#3A4B5C; --grey:#5E6E7E; --line:#DCE6EE;
  --water:#E6F5F8; --aqua:#0F7F93; --aqua-l:#D4F0F4; --maple:#D9482B; --maple-d:#B8381F; --sun:#FFE7A8; --bg:#FFFFFF;
  --head:"Plus Jakarta Sans",system-ui,sans-serif; --body:"Atkinson Hyperlegible",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 18px/1.6 var(--body);font-variant-numeric:tabular-nums}
img{max-width:100%;height:auto;display:block}
a{color:var(--aqua)}
.am-wrap{max-width:1180px;margin:0 auto;padding:0 24px}
@media (max-width:640px){.am-wrap{padding:0 16px}}
.am-skip{position:absolute;left:-999px;top:0}.am-skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:9}
.am-up{font-family:var(--head);text-transform:uppercase;letter-spacing:.01em}

/* top */
.am-top{background:#fff;border-bottom:1px solid var(--line)}
.am-top-in{display:flex;align-items:center;gap:24px;height:72px}
.am-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);font:800 22px/1 var(--head);letter-spacing:-.01em}
.am-brand img{width:40px;height:40px;border-radius:50%}
.am-tnav{display:flex;gap:2px;font:700 14px/1 var(--head);text-transform:uppercase;letter-spacing:.02em}
.am-tnav a{color:var(--navy);text-decoration:none;padding:10px 12px;border-radius:6px}
.am-tnav a.am-on,.am-tnav a:hover{background:var(--water)}
.am-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:800 14px/1 var(--head);text-transform:uppercase;letter-spacing:.03em;text-decoration:none;padding:15px 22px;border-radius:6px;border:2px solid var(--maple);background:var(--maple);color:#fff;cursor:pointer;min-height:48px}
.am-btn:hover{background:var(--maple-d);border-color:var(--maple-d)}
.am-btn.am-ghost{background:transparent;color:#fff;border-color:#fff}
.am-btn.am-line{background:#fff;color:var(--navy);border-color:var(--navy)}
.am-top .am-btn{margin-left:auto;padding:12px 16px}
@media (max-width:960px){.am-tnav{display:none}}
.am-tnav-m{display:none}
@media (max-width:960px){.am-tnav-m{display:flex;flex-wrap:wrap;gap:2px;padding:0 16px 10px;font:700 13px/1 var(--head);text-transform:uppercase}.am-tnav-m::-webkit-scrollbar{display:none}.am-tnav-m a{white-space:nowrap;text-decoration:none;color:var(--navy);padding:15px 10px;min-height:44px;border-radius:6px}.am-tnav-m a.am-on{background:var(--water)}}

/* hero band with water edge */
.am-hero{background:var(--navy);color:#fff;position:relative;padding:56px 0 110px;overflow:hidden}
.am-hero:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:70px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 70' preserveAspectRatio='none'%3E%3Cpath d='M0 40 C 180 10 360 70 540 40 S 900 10 1080 40 S 1300 70 1440 35 V70 H0Z' fill='%23ffffff'/%3E%3C/svg%3E") center/100% 100% no-repeat}
.am-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;position:relative;z-index:1}
.am-hero h1{font:800 58px/1.02 var(--head);text-transform:uppercase;letter-spacing:-.01em;margin:0 0 18px}
.am-hero h1 em{font-style:normal;color:#7FD6E3}
.am-hero p.am-sub{font-size:20px;color:#C9D8E6;margin:0 0 28px;max-width:30em}
.am-hero .am-acts{display:flex;gap:12px;flex-wrap:wrap}
.am-hero figure{margin:0;border-radius:14px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.35)}
.am-hero figure img{aspect-ratio:4/3;object-fit:cover;width:100%}
.am-hero .am-cap{color:#9DB3C8}
@media (max-width:900px){.am-hero{padding:32px 0 90px}.am-hero-grid{grid-template-columns:1fr;gap:24px}.am-hero h1{font-size:36px}.am-hero p.am-sub{font-size:18px}}
.am-cap{font-size:13px;color:var(--grey);margin:8px 0 0}

/* sections */
.am-sec{padding:72px 0}
.am-sec.am-tint{background:var(--water)}
.am-sec.am-dark{background:var(--navy);color:#fff}
.am-sec-h{text-align:center;max-width:760px;margin:0 auto 36px}
.am-sec-h h2{font:800 40px/1.08 var(--head);text-transform:uppercase;margin:0 0 12px;color:var(--navy)}
.am-sec.am-dark .am-sec-h h2{color:#fff}
.am-sec-h p{margin:0;color:var(--ink-2)}
.am-sec.am-dark .am-sec-h p{color:#C9D8E6}
@media (max-width:640px){.am-sec{padding:48px 0}.am-sec-h h2{font-size:28px}}

/* problem tiles */
.am-tiles{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.am-tile{text-decoration:none;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.am-tile figure{margin:0;aspect-ratio:4/3;overflow:hidden}
.am-tile figure img{width:100%;height:100%;object-fit:cover}
.am-tile .am-tb{padding:14px 16px 16px}
.am-tile b{display:block;font:800 16px/1.2 var(--head);text-transform:uppercase;color:var(--navy)}
.am-tile span{font-size:14px;color:var(--ink-2)}
.am-tile:hover{border-color:var(--aqua)}
@media (max-width:980px){.am-tiles{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){.am-tiles{grid-template-columns:1fr 1fr}}

/* test strip (signature) */
.am-strip-wrap{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 10px 30px rgba(14,42,71,.08)}
.am-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.am-pad{border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px}
.am-pad .am-sw{height:46px;border-radius:8px;border:1px solid rgba(0,0,0,.08)}
.am-pad label{font:800 13px/1.2 var(--head);text-transform:uppercase;color:var(--navy)}
.am-pad input{font:700 20px/1 var(--body);padding:12px;border:2px solid var(--line);border-radius:8px;width:100%;min-height:48px}
.am-pad input:focus{outline:none;border-color:var(--aqua)}
.am-pad .am-rg{font-size:13px;color:var(--grey)}
.am-pad .am-st{font-size:14px;font-weight:700}
.am-st[data-s="ok"]{color:#18794E}.am-st[data-s="lo"],.am-st[data-s="hi"]{color:var(--maple-d)}
.am-strip-top{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:18px;flex-wrap:wrap}
.am-strip-top h3{font:800 24px/1.1 var(--head);text-transform:uppercase;color:var(--navy);margin:0}
.am-litres{display:flex;gap:8px;align-items:center;font-size:15px}
.am-litres input{width:130px;font:700 17px/1 var(--body);padding:10px;border:2px solid var(--line);border-radius:8px;min-height:44px}
.am-result{margin-top:18px;background:var(--aqua-l);border-radius:12px;padding:18px 20px}
.am-result h4{margin:0 0 8px;font:800 15px/1.2 var(--head);text-transform:uppercase;color:var(--navy)}
.am-result ul{margin:0;padding-left:20px}
.am-result li{margin:4px 0}
.am-safety{font-size:13px;color:var(--ink-2);margin:12px 0 0}
@media (max-width:860px){.am-strip{grid-template-columns:1fr 1fr}}
@media (max-width:420px){.am-strip{grid-template-columns:1fr}.am-strip-wrap{padding:18px}}

/* maple tip */
.am-tip{display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:start;background:var(--sun);border-radius:14px;padding:18px 20px;margin:24px 0}
.am-tip img{width:64px;height:64px;border-radius:50%}
.am-tip b{font:800 14px/1 var(--head);text-transform:uppercase;color:var(--navy);display:block;margin-bottom:6px}
.am-tip p{margin:0 !important;font-size:16px !important}

/* cards */
.am-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.am-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;text-decoration:none;color:var(--ink);display:flex;flex-direction:column}
.am-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;position:relative}
.am-card figure img{width:100%;height:100%;object-fit:cover}
.am-card figure .am-badge{position:absolute;left:12px;top:12px;background:var(--navy);color:#fff;font:800 12px/1 var(--head);text-transform:uppercase;padding:7px 10px;border-radius:4px}
.am-card .am-cb{padding:18px 20px 20px}
.am-card h3{font:800 19px/1.2 var(--head);text-transform:uppercase;color:var(--navy);margin:0 0 6px}
.am-card p{margin:0;font-size:15px;color:var(--ink-2)}
@media (max-width:900px){.am-cards{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.am-cards{grid-template-columns:1fr}}

/* meet maple */
.am-meet{display:grid;grid-template-columns:220px 1fr;gap:36px;align-items:center}
.am-meet img{border-radius:50%;width:220px}
.am-meet h2{font:800 36px/1.1 var(--head);text-transform:uppercase;margin:0 0 10px;color:#fff}
.am-meet p{color:#C9D8E6;margin:0 0 12px}
@media (max-width:700px){.am-meet{grid-template-columns:1fr;text-align:center}.am-meet img{margin:0 auto;width:160px}}

/* article */
.am-ahead{background:var(--navy);color:#fff;padding:36px 0 40px}
.am-ahead .am-crumbs{font-size:14px;color:#9DB3C8}
.am-ahead .am-crumbs a{color:#9DB3C8;text-decoration:none}
.am-ahead h1{font:800 48px/1.04 var(--head);text-transform:uppercase;margin:12px 0 14px;max-width:18em}
.am-ahead .am-answer{font-size:21px;color:#E3EDF5;margin:0;max-width:40em}
.am-ahead .am-by{font-size:14px;color:#9DB3C8;margin-top:16px}
@media (max-width:640px){.am-ahead h1{font-size:30px}.am-ahead .am-answer{font-size:18px}}
.am-agrid{display:grid;grid-template-columns:minmax(0,740px) 300px;gap:56px;justify-content:space-between;padding:36px 0 64px}
@media (max-width:980px){.am-agrid{grid-template-columns:minmax(0,1fr);gap:0}.am-aside{display:none}}
.am-hero-img{margin:0 0 8px;border-radius:14px;overflow:hidden}
.am-hero-img img{width:100%;aspect-ratio:16/9;object-fit:cover}
.am-body h2{font:800 28px/1.15 var(--head);text-transform:uppercase;color:var(--navy);margin:44px 0 12px}
.am-body h3{font:800 19px/1.25 var(--head);color:var(--navy);margin:26px 0 6px}
.am-body p,.am-body li{font-size:18px;line-height:1.65}
.am-body ol,.am-body ul{padding-left:24px}
.am-body li{margin:0 0 .5em}
.am-body table{width:100%;border-collapse:collapse;font-size:16px;margin:8px 0 12px}
.am-body th{font:800 13px/1.2 var(--head);text-transform:uppercase;color:#fff;background:var(--navy);text-align:left;padding:12px}
.am-body td{padding:12px;border-bottom:1px solid var(--line);vertical-align:top}
.am-body tr:nth-child(even) td{background:#F6FAFC}
.am-tw{overflow-x:auto}
@media (max-width:640px){.am-tw table{min-width:540px}}
.am-fix{border-left:4px solid var(--aqua);background:var(--water);padding:12px 16px;border-radius:0 8px 8px 0;margin:8px 0 18px}
.am-fix p{margin:0 !important}
.am-warnbox{background:#FFF3EF;border:1px solid #F5C9BC;border-radius:10px;padding:14px 18px;font-size:15px;margin:16px 0}
.am-warnbox p{margin:0 !important;font-size:15px !important}
.am-aside{position:sticky;top:24px;align-self:start}
.am-toc{border-top:4px solid var(--navy);padding-top:12px}
.am-toc h4{font:800 13px/1 var(--head);text-transform:uppercase;margin:0 0 8px;color:var(--navy)}
.am-toc a{display:block;text-decoration:none;color:var(--ink-2);font-size:15px;padding:8px 0;border-bottom:1px solid var(--line)}
.am-aside .am-mini{margin-top:20px;background:var(--water);border-radius:12px;padding:18px}
.am-aside .am-mini p{font-size:15px;margin:6px 0 12px}
.am-faq details{border-bottom:1px solid var(--line);padding:16px 0}
.am-faq summary{cursor:pointer;font:800 18px/1.3 var(--head);color:var(--navy);list-style:none;display:flex;justify-content:space-between;gap:12px}
.am-faq summary::after{content:"+";color:var(--maple)}
.am-faq details[open] summary::after{content:"–"}
.am-faq p{margin:10px 0 0}
.am-sources{margin-top:44px;border-top:4px solid var(--navy);padding-top:12px}
.am-sources h2{font:800 14px/1 var(--head) !important;margin:6px 0 10px !important}
.am-sources ol{font-size:14px;padding-left:20px}
.am-sources li{font-size:14px !important;margin:0 0 6px}
.am-sources .am-meta{font-size:13px;color:var(--grey)}
.am-calc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;margin:16px 0 24px;box-shadow:0 8px 24px rgba(14,42,71,.06)}
.am-calc .am-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:12px 0}
.am-calc label{display:block;font:800 13px/1.2 var(--head);text-transform:uppercase;color:var(--navy);margin-bottom:6px}
.am-calc input,.am-calc select{width:100%;font:700 18px/1 var(--body);padding:12px;border:2px solid var(--line);border-radius:8px;min-height:48px;background:#fff}
.am-calc .am-out{background:var(--aqua-l);border-radius:10px;padding:16px;margin-top:12px}
.am-calc .am-out b{font:800 28px/1.1 var(--head);color:var(--navy);display:block}
.am-calc .am-work{font-size:14px;color:var(--ink-2);margin-top:6px}
.am-shapes{display:flex;gap:8px;flex-wrap:wrap}
.am-shapes button{font:800 13px/1 var(--head);text-transform:uppercase;padding:12px 14px;border-radius:8px;border:2px solid var(--line);background:#fff;color:var(--navy);cursor:pointer;min-height:44px}
.am-shapes button[aria-pressed="true"]{border-color:var(--navy);background:var(--navy);color:#fff}
@media (max-width:640px){.am-calc .am-row{grid-template-columns:1fr}}

/* footer */
.am-foot{background:var(--navy);color:#C9D8E6;padding:48px 0 52px;font-size:15px}
.am-foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px}
.am-foot h4{font:800 13px/1 var(--head);text-transform:uppercase;color:#fff;margin:0 0 12px}
.am-foot a{color:#E3EDF5;text-decoration:none;display:block;padding:4px 0}
.am-foot .am-legal{margin-top:28px;padding-top:16px;border-top:1px solid #2B4A6B;font-size:13px;color:#9DB3C8;display:grid;gap:6px}
.am-foot .am-brand{color:#fff}
@media (max-width:760px){.am-foot-grid{grid-template-columns:1fr 1fr}.am-foot-grid>div:first-child{grid-column:span 2}}
h1,h2,h3{text-wrap:balance}

p{max-width:900px}.am-tw:focus-visible{outline:3px solid var(--aqua);outline-offset:4px}