:root{--ink:#16232a;--muted:#4f5f66;--bg:#fff;--soft:#f2f8f7;--line:#dbe7e5;--brand:#0e5c58;--brand2:#0b4a47;--accent:#36b5a2;--warn:#fff4e5;--warnl:#e9a23b;--amz:#ffd27a;--amzh:#ffc34d;--r:12px;--max:760px;--wide:1120px}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:1rem}
body{margin:0;font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand);text-underline-offset:2px}
a:hover{color:var(--brand2)}
img,svg{max-width:100%}
.skip{position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;padding:.5rem 1rem;z-index:9}
.skip:focus{left:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
/* header */
.top{border-bottom:1px solid var(--line);background:#fff}
.top-in{max-width:var(--wide);display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding-top:.6rem;padding-bottom:.6rem}
.logo{display:flex;align-items:center;gap:.4rem;font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none;min-height:44px}
.logo b{color:var(--brand)}
.nav{flex:1;min-width:0}
.nav ul{display:flex;gap:.25rem;list-style:none;margin:0;padding:0;overflow-x:auto;scrollbar-width:none;justify-content:flex-end}
.nav ul::-webkit-scrollbar{display:none}
.nav a{display:block;white-space:nowrap;padding:.55rem .75rem;border-radius:999px;color:var(--ink);text-decoration:none;font-size:.95rem}
.nav a:hover,.nav a[aria-current]{background:var(--soft);color:var(--brand)}
@media(max-width:820px){.top-in{gap:.25rem}.nav{flex-basis:100%}.nav ul{justify-content:flex-start;margin:0 -16px;padding:0 10px}.nav a{background:var(--soft);font-size:.9rem}}
/* type */
h1,h2,h3{line-height:1.25;color:var(--ink)}
h1{font-size:clamp(1.7rem,4.2vw,2.35rem);margin:1.2rem 0 .4rem;letter-spacing:-.01em}
h2{font-size:clamp(1.3rem,3vw,1.6rem);margin:2.2rem 0 .6rem}
h3{font-size:1.15rem;margin:1.6rem 0 .4rem}
p,ul,ol{margin:0 0 1rem}
li{margin-bottom:.35rem}
.lead{font-size:1.12rem;color:#24343b}
.byline{font-size:.88rem;color:var(--muted);margin:0 0 1.2rem}
.byline a{color:var(--muted)}
.crumbs ol{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:1rem 0 0;font-size:.85rem;color:var(--muted)}
.crumbs li{margin:0}
.crumbs li+li::before{content:"›";margin:0 .45rem}
.crumbs a{color:var(--muted);display:inline-block;padding:.35rem 0}
/* blocks */
.toc{background:var(--soft);border-radius:var(--r);padding:.2rem 1.1rem;margin:0 0 1.6rem}
.toc summary{cursor:pointer;font-weight:600;padding:.6rem 0}
.toc ol{margin:.2rem 0 .8rem;padding-left:1.3rem;font-size:.95rem}
.toc a{display:inline-block;padding:.15rem 0}
.tldr,.note,.warn{border-radius:var(--r);padding:1rem 1.2rem;margin:1.4rem 0}
.tldr{background:var(--soft);border-left:4px solid var(--accent)}
.tldr-h{font-weight:700;margin-bottom:.4rem}
.tldr ul{margin:0;padding-left:1.2rem}
.note{background:#eef5fb;border-left:4px solid #3d7fb8}
.warn{background:var(--warn);border-left:4px solid var(--warnl)}
.tldr>:last-child,.note>:last-child,.warn>:last-child{margin-bottom:0}
.tbl{overflow-x:auto;margin:1.2rem 0;border:1px solid var(--line);border-radius:var(--r)}
table{border-collapse:collapse;width:100%;font-size:.94rem}
th,td{padding:.6rem .75rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
th{background:var(--soft);font-weight:600}
tr:last-child td{border-bottom:0}
.pick{border:1px solid var(--line);border-radius:var(--r);padding:1.1rem 1.2rem .3rem;margin:1.4rem 0;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.pick h3{margin-top:.2rem}
.badge{display:inline-block;background:var(--brand);color:#fff;font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em;padding:.2rem .6rem;border-radius:999px;margin:0}
.pros,.cons{list-style:none;padding:0}
.pros li,.cons li{padding-left:1.5rem;position:relative}
.pros li::before{content:"+";position:absolute;left:.2rem;color:#16794f;font-weight:700}
.cons li::before{content:"–";position:absolute;left:.2rem;color:#b3412e;font-weight:700}
.amz{display:inline-block;background:var(--amz);color:#1b1b1b;font-weight:600;text-decoration:none;padding:.55rem 1rem;border-radius:8px;font-size:.95rem}
.amz:hover{background:var(--amzh);color:#000}
p>.amz{margin:.2rem 0}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding-left:2.6rem;margin-bottom:.9rem}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:1.9rem;height:1.9rem;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.9rem}
.faq details{border-bottom:1px solid var(--line);padding:.2rem 0}
.faq summary{cursor:pointer;font-weight:600;padding:.7rem 0;list-style-position:outside}
.faq details p{margin:.2rem 0 1rem}
/* cards */
.cards{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:.8rem;margin:1rem 0 1.5rem}
.cards li{margin:0}
.cards a{display:block;height:100%;border:1px solid var(--line);border-radius:var(--r);padding:.9rem 1rem;text-decoration:none;color:var(--ink);background:#fff}
.cards a:hover{border-color:var(--accent);background:var(--soft)}
.cards strong{display:block;color:var(--brand);margin-bottom:.25rem;line-height:1.3}
.cards span{display:block;font-size:.88rem;color:var(--muted);line-height:1.45}
.cols2{columns:2 240px;padding-left:1.1rem}
.related{margin:2.5rem 0 1rem;padding-top:.5rem;border-top:1px solid var(--line)}
.related h2{margin-top:1.2rem}
/* home */
.home{max-width:var(--wide)}
.hero{padding:2.2rem 0 1rem;max-width:var(--max)}
.hero h1{font-size:clamp(2rem,5.5vw,3rem);margin-top:0}
.hero .lead{font-size:1.2rem}
.need{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.8rem;margin:1rem 0 2rem}
.need li{margin:0}
.need a{display:flex;flex-direction:column;height:100%;padding:1rem 1.1rem;border-radius:var(--r);background:var(--soft);text-decoration:none;color:var(--ink);border:1px solid transparent}
.need a:hover{border-color:var(--accent)}
.need strong{color:var(--brand);font-size:1.05rem}
.need span{font-size:.92rem;color:var(--muted)}
.home section{margin:2.2rem 0}
.home .narrow{max-width:var(--max)}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0}
.chips li{margin:0}
.chips a{display:inline-block;padding:.5rem .9rem;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-size:.95rem}
.chips a:hover{background:var(--soft)}
/* footer */
.foot{background:#0d2a2c;color:#d5e3e1;margin-top:3rem;padding:2rem 0 1.5rem;font-size:.93rem}
.foot .wrap{max-width:var(--wide)}
.foot a{color:#e9f4f2;text-decoration:none;display:inline-block;padding:.2rem 0}
.foot a:hover{text-decoration:underline}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1rem}
.fh{font-weight:700;color:#fff;margin-bottom:.4rem}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin:0}
.legal{border-top:1px solid #24484a;margin-top:1.4rem;padding-top:1rem;font-size:.84rem;color:#b9cdca}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
@media print{.top,.foot,.related,.toc{display:none}}