/* Plain Sums: pages other than the calculators. Light, calm, system fonts only. */
:root{color-scheme:light;--bg:#f7f6f2;--card:#fff;--ink:#1c2422;--muted:#55605b;--line:#dcd8cf;--accent:#0f6b4f;--soft:#e3f0ea;--font:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 var(--font)}
a{color:var(--accent);text-underline-offset:3px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;z-index:9}.skip:focus{left:8px}
.wrap{width:min(1080px,100% - 32px);margin:0 auto}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(30px,6vw,46px);margin:0 0 14px}
h2{font-size:clamp(23px,4vw,30px);margin:0 0 10px}
h3{font-size:20px;margin:0}
.hero{padding:40px 0 20px}
.lead{font-size:19px;max-width:62ch;margin:0 0 12px}
.small,.muted{color:var(--muted);font-size:15px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:var(--soft);padding:3px 9px;border-radius:4px;margin:0 0 10px}
section.block{padding:28px 0}
.grid{display:grid;gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;display:flex;flex-direction:column;overflow:hidden}
.card .thumb{display:block;aspect-ratio:1200/630;background:var(--soft);border-bottom:1px solid var(--line)}
.card .thumb img{display:block;width:100%;height:100%;object-fit:cover}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body p{margin:0}
.card h3 a{color:var(--ink);text-decoration:none}.card h3 a:hover{color:var(--accent);text-decoration:underline}
.price{font-weight:700;font-size:20px;color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 20px;border-radius:8px;background:var(--accent);color:#fff;font-weight:600;text-decoration:none;border:2px solid var(--accent);text-align:center;line-height:1.3}
.btn:hover{background:#0b5640;border-color:#0b5640}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.ghost:hover{background:var(--soft)}
.card .btn{margin-top:auto;align-self:flex-start}
.panel{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px}
.panel h3{margin-bottom:6px}
.panel p{margin:0 0 12px}
.note{color:var(--muted);font-size:15px;margin:8px 0 0}
.launch{font-weight:700;color:var(--accent);margin:10px 0 0}
.opts{margin:12px 0 0;color:var(--muted)}
.opts a{display:inline-block;padding:6px 0}
.doc article{max-width:760px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:24px 20px 30px}
.doc h2{font-size:21px;margin:28px 0 8px}
.doc li{margin:4px 0}
.doc table{border-collapse:collapse;width:100%;font-size:15px}.doc th,.doc td{border:1px solid var(--line);padding:8px;text-align:left;vertical-align:top;overflow-wrap:anywhere}
.updated{color:var(--muted);font-size:14px;margin:0 0 6px}
.crumbs{font-size:14px;color:var(--muted);margin:24px 0 0;overflow-wrap:anywhere}
.tpl-top{display:grid;gap:24px;align-items:start;padding:18px 0 8px}
.buy{display:grid;gap:12px;justify-items:start}
.buy .amount{font-size:32px;font-weight:700;line-height:1.1;margin:0}
.buy .label{font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0}
.fig{margin:0;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.fig img{display:block;width:100%;height:auto}
.fig figcaption{font-size:14px;color:var(--muted);padding:10px 12px}
.sec{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);max-width:820px}
.sec h2{font-size:22px}
.sec ul{padding-left:22px;margin:0}.sec li{margin:6px 0}
.rel{display:grid;gap:12px}
.rel a{display:grid;gap:4px;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:8px;color:var(--ink);text-decoration:none}
.rel a:hover{border-color:var(--accent)}
.rel b{color:var(--accent)}.rel small{color:var(--muted);font-size:14px}
.more li{margin:8px 0}
@media(min-width:720px){.grid.two{grid-template-columns:repeat(2,1fr)}.grid.three{grid-template-columns:repeat(2,1fr)}.doc article{padding:32px 40px 40px}.rel{grid-template-columns:repeat(2,1fr)}}
@media(min-width:980px){.grid.three{grid-template-columns:repeat(3,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}.tpl-top{grid-template-columns:1.1fr 1fr}}
@media(max-width:719px){main .btn{width:100%}.card .btn{align-self:stretch}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.card h2.h3{font-size:20px;margin:0}.card h2.h3 a{color:var(--ink);text-decoration:none}.card h2.h3 a:hover{color:var(--accent);text-decoration:underline}