:root{--bg:#07131d;--surface:#0d202d;--surface-2:#102b3a;--ink:#f2f8fb;--muted:#b5c8d1;--line:#244453;--accent:#66d9f5;--accent-strong:#b5f1ff;--warn:#ffd166;--danger:#ffb4a2;--max:980px}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}
a{color:var(--accent-strong)}a:focus-visible,button:focus-visible{outline:3px solid var(--warn);outline-offset:3px}
img,svg{max-width:100%;height:auto}
.skip-link{position:absolute;left:1rem;top:-4rem;z-index:5;padding:.55rem .8rem;background:var(--warn);color:#10202a;border-radius:.35rem}.skip-link:focus{top:1rem}
.wrap{max-width:var(--max);margin:0 auto;padding:1rem 1rem 3rem}
.site-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem 1rem;padding:.75rem 0 .6rem;border-bottom:1px solid var(--line)}
.brand{color:var(--accent-strong);font-weight:800;text-decoration:none;letter-spacing:.01em}
.nav{display:flex;flex-wrap:wrap;gap:.35rem .25rem;font-size:.95rem}
.nav a{padding:.35rem .55rem;border-radius:.4rem;text-decoration:none;color:var(--ink)}
.nav a:hover,.nav a[aria-current=page]{background:var(--surface-2);color:var(--accent-strong)}
.hero{padding:2.6rem 0 1.6rem}
.eyebrow{color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
h1,h2,h3{line-height:1.2}
h1{max-width:780px;margin:.4rem 0 1rem;font-size:clamp(1.9rem,6.5vw,3.4rem);letter-spacing:-.02em}
h2{margin:0 0 .65rem;font-size:clamp(1.4rem,4vw,1.9rem)}
h3{margin:0 0 .4rem;font-size:1.15rem;color:var(--accent-strong)}
p{margin:.55rem 0;color:var(--muted)}li{color:var(--muted)}
.lede{max-width:720px;font-size:1.1rem}
.updated{font-size:.85rem;color:#8ea7b3}
.hero-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.1rem}
.button{display:inline-block;padding:.7rem .95rem;border:1px solid var(--accent);border-radius:.5rem;color:#06141c;background:var(--accent);font-weight:750;text-decoration:none}
.button.secondary{color:var(--accent-strong);background:transparent}
.button[aria-disabled=true]{opacity:.55;cursor:not-allowed;pointer-events:none;background:transparent;color:var(--muted);border-style:dashed}
.notice,.disclosure{margin:1.25rem 0;padding:1rem 1.1rem;border-radius:.65rem;background:var(--surface);border:1px solid var(--line)}
.notice{border-left:4px solid var(--warn)}.notice strong,.disclosure strong{color:var(--warn)}
.section{margin-top:2.6rem}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1rem}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{display:flex;flex-direction:column;gap:.55rem;padding:1.1rem;background:var(--surface);border:1px solid var(--line);border-radius:.7rem}
.card p{margin:0}.card ol,.card ul{margin:.2rem 0 0 1.25rem;padding:0}.card li{margin:.35rem 0}
.card .icon{width:48px;height:48px}
.card-link{text-decoration:none;color:inherit}.card-link:hover .card{border-color:var(--accent)}
.check{margin-top:auto;padding-top:.65rem;border-top:1px solid var(--line);color:var(--accent-strong);font-size:.93rem}
.callout{margin-top:.55rem;padding:.7rem .8rem;background:var(--surface-2);border-radius:.45rem}.callout strong{color:var(--danger)}
.table-wrap{overflow-x:auto;margin-top:.8rem;border:1px solid var(--line);border-radius:.55rem}
table{width:100%;min-width:520px;border-collapse:collapse}
th,td{padding:.7rem .8rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--accent-strong);background:var(--surface-2);font-size:.9rem}td{color:var(--muted)}tr:last-child td{border-bottom:0}
.prose{max-width:760px}.prose h2{margin-top:2rem}.prose ol,.prose ul{padding-left:1.3rem}.prose li{margin:.35rem 0}
.product .asin{font-size:.8rem;color:#8ea7b3}
.ad-slot{display:none}
body.ads-on .ad-slot{display:block;min-height:120px;margin:1.5rem 0;border:1px dashed var(--line);border-radius:.5rem}
.amz-only{display:none}body.amazon-on .amz-only{display:block}
.signup{display:none}body.signup-on .signup{display:block}
.crumbs{font-size:.9rem;margin:.9rem 0 0}
footer{margin-top:2.75rem;padding-top:1.25rem;border-top:1px solid var(--line);font-size:.9rem}
footer p{color:#8ea7b3}.footer-nav{display:flex;flex-wrap:wrap;gap:.4rem 1rem}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.todo{background:#3b3219;color:var(--warn);padding:0 .3rem;border-radius:.25rem}
@media (max-width:760px){.grid.three{grid-template-columns:1fr 1fr}}
@media (max-width:680px){table{min-width:0}th,td{padding:.55rem}.wrap{padding-inline:.85rem}.hero{padding-top:1.8rem}.grid,.grid.three{grid-template-columns:1fr}.hero-actions .button{width:100%;text-align:center}.site-header{display:block}.nav{margin-top:.4rem}}
[hidden]{display:none!important}
.amz-on-inline{display:none}body.amazon-on .amz-on-inline{display:inline}body.amazon-on .amz-off{display:none}
.amz-btn{margin-top:auto}