:root{
  --paper:#F7F6F1; --card:#FFFFFF; --ink:#17211D; --muted:#5C6B63;
  --line:#E4E3DA; --brand:#0B6B57; --brand-ink:#0B6B57; --gold:#C98A16;
  --shadow:0 1px 2px rgba(20,33,29,.06),0 8px 24px rgba(20,33,29,.06);
  --maxw:1120px;
  --sans:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Code",Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0E1512; --card:#161F1A; --ink:#E9F1EC; --muted:#93A69C;
    --line:#243029; --brand:#3FB394; --brand-ink:#5FC7AB; --gold:#E3B24C;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --paper:#0E1512; --card:#161F1A; --ink:#E9F1EC; --muted:#93A69C;
  --line:#243029; --brand:#3FB394; --brand-ink:#5FC7AB; --gold:#E3B24C;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  line-height:1.55;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;text-wrap:balance;line-height:1.14;letter-spacing:-.02em}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand-ink);font-weight:600}

header{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:62px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.02em}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{color:var(--muted);font-size:14.5px;font-weight:500}
.nav-links a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:7px;background:var(--brand);color:#fff;
  padding:9px 16px;border-radius:9px;font-weight:600;font-size:14px;border:0;cursor:pointer;
  transition:transform .12s ease,filter .12s ease}
.btn:hover{filter:brightness(1.06);transform:translateY(-1px)}
:root[data-theme="dark"] .btn{color:#08130F}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn{color:#08130F}}
.themebtn{background:transparent;border:1px solid var(--line);color:var(--muted);
  width:38px;height:38px;border-radius:9px;display:grid;place-items:center;cursor:pointer;padding:0}
.themebtn:hover{color:var(--ink)}
@media (max-width:760px){.nav-links{display:none}}

.hero{padding:64px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
@media (max-width:880px){.hero-grid{grid-template-columns:1fr;gap:34px}}
.hero h1{font-size:clamp(34px,5vw,55px);font-weight:800;margin:14px 0 0}
.hero h1 .hl{color:var(--brand-ink)}
.hero p.lead{font-size:clamp(16px,2vw,19px);color:var(--muted);margin:18px 0 0;max-width:40ch}
.hero-cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.stats{display:flex;gap:28px;margin-top:34px;flex-wrap:wrap}
.stat .n{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--ink);letter-spacing:-.02em}
.stat .l{font-size:12.5px;color:var(--muted);margin-top:2px}

.feature{background:var(--card);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow);overflow:hidden}
.feature .fimg{position:relative;aspect-ratio:16/11;background:
  linear-gradient(135deg,color-mix(in srgb,var(--brand) 12%,var(--card)),var(--card));
  display:grid;place-items:center}
.feature .fimg img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:16px;background:#fff}
.feature .ph{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted);font-size:13px}
.feature .ph .ico{font-size:44px}
.fbadge{position:absolute;top:12px;left:12px;z-index:2;font-family:var(--mono);font-size:11px;font-weight:700;
  letter-spacing:.06em;background:var(--gold);color:#1c1403;padding:4px 9px;border-radius:7px}
.fbody{padding:16px 18px 18px}
.fbody .lab{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-ink);font-weight:700}
.fbody h3{font-size:16px;margin:6px 0 10px;font-weight:700;line-height:1.3}
.fprice{display:flex;align-items:baseline;gap:9px}
.fprice .now{font-family:var(--mono);font-size:22px;font-weight:800}
.fprice .cur{font-size:12px;color:var(--muted);font-weight:600}
.fprice .was{font-family:var(--mono);font-size:14px;color:var(--muted);text-decoration:line-through}
.fprice .off{margin-left:auto;font-family:var(--mono);font-size:12px;font-weight:800;color:var(--gold)}

section.blk{padding:46px 0}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.head-row h2{font-size:clamp(23px,3vw,30px);font-weight:800}
.head-row p{color:var(--muted);font-size:14px;margin:6px 0 0}

.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:980px){.grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:720px){.grid{grid-template-columns:repeat(2,1fr);gap:12px}}
@media (max-width:440px){.grid{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .14s ease,box-shadow .14s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.thumb{position:relative;aspect-ratio:1/1;background:
  linear-gradient(135deg,color-mix(in srgb,var(--brand) 10%,var(--card)),var(--card));
  display:grid;place-items:center;overflow:hidden}
.thumb img.pimg{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:10px;background:#fff}
.ph{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted);
  font-size:12px;text-align:center;padding:14px}
.ph .ico{font-size:30px}
.store{position:absolute;top:9px;left:9px;z-index:2;font-family:var(--mono);font-size:10px;font-weight:700;
  letter-spacing:.05em;background:var(--ink);color:var(--paper);padding:3px 7px;border-radius:6px;opacity:.92}
.disc{position:absolute;top:9px;right:9px;z-index:2;font-family:var(--mono);font-size:12px;font-weight:800;
  background:var(--gold);color:#1c1403;padding:4px 8px;border-radius:7px}
.cbody{padding:12px 13px 14px;display:flex;flex-direction:column;gap:9px;flex:1}
.ctitle{font-size:13.5px;font-weight:600;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;min-height:35px}
.price{display:flex;align-items:baseline;gap:8px}
.price .now{font-family:var(--mono);font-size:17px;font-weight:800}
.price .cur{font-size:11px;color:var(--muted);font-weight:600}
.price .was{font-family:var(--mono);font-size:12.5px;color:var(--muted);text-decoration:line-through}
.meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:4px}
.stars{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:4px}
.stars .s{color:var(--gold);letter-spacing:1px}
.view{font-size:12.5px;font-weight:700;color:var(--brand-ink)}

.why{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.bene{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:10px}
@media (max-width:760px){.bene{grid-template-columns:1fr}}
.ben{padding:20px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}
.ben .ico{font-size:24px}
.ben h3{font-size:16.5px;margin:10px 0 6px}
.ben p{font-size:13.5px;color:var(--muted);margin:0}

.cats{display:flex;flex-wrap:wrap;gap:10px}
.cat{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:9px 15px;
  font-size:13.5px;font-weight:600;display:flex;align-items:center;gap:7px}

/* guide cards (home + related) */
.guides{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media (max-width:720px){.guides{grid-template-columns:1fr}}
.guide{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:20px;transition:transform .14s ease,box-shadow .14s ease}
.guide:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.guide .k{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-ink);font-weight:700}
.guide h3{font-size:18px;margin:9px 0 7px}
.guide p{font-size:14px;color:var(--muted);margin:0}
.guide .go{margin-top:12px;font-size:13px;font-weight:700;color:var(--brand-ink)}

/* article / prose */
.article{padding:48px 0 8px}
.article .kicker{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-ink);font-weight:600}
.article h1{font-size:clamp(28px,4.4vw,42px);font-weight:800;margin:12px 0 10px;max-width:20ch}
.article .byline{color:var(--muted);font-size:14px}
.prose{max-width:70ch;margin:26px 0 0;font-size:16.5px;line-height:1.72}
.prose p{margin:0 0 18px;color:var(--ink)}
.prose h2{font-size:22px;margin:34px 0 10px}
.prose h3{font-size:17px;margin:26px 0 8px}
.prose ul{margin:0 0 18px;padding-left:22px;color:var(--ink)}
.prose li{margin:0 0 8px}
.prose a{color:var(--brand-ink);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.prose strong{font-weight:700}
.tip{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--gold);
  border-radius:10px;padding:14px 16px;margin:0 0 20px;font-size:15px}
.backlink{display:inline-flex;align-items:center;gap:6px;color:var(--brand-ink);font-weight:600;font-size:14px}
.article-cards{margin:26px 0 6px}

footer{background:var(--card);border-top:1px solid var(--line);margin-top:36px;padding:44px 0 30px}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px}
@media (max-width:760px){.fgrid{grid-template-columns:1fr;gap:24px}}
footer h4{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 12px}
footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
footer ul a{color:var(--ink);font-size:14px}
footer ul a:hover{color:var(--brand-ink)}
.disclosure{font-size:12.5px;color:var(--muted);max-width:44ch;line-height:1.6}
.fbrand{font-weight:800;font-size:18px;display:flex;align-items:center;gap:9px;margin-bottom:12px}
.legal{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:12.5px}

.doc{max-width:70ch;margin:0 auto}
.doc h2{font-size:24px;margin-bottom:6px}
.doc h3{font-size:16px;margin:22px 0 6px}
.doc p{color:var(--muted);font-size:14.5px}
.callout{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--gold);
  border-radius:10px;padding:14px 16px;font-size:14px;color:var(--ink)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}