:root{
  --paper:#F1EBE0; --panel:#E7E0D2; --panel-2:#EDE6D9; --card:#FBF8F1;
  --ink:#221B14; --ink-2:#4C3E30; --muted:#7A6B57;
  --accent:#C5402A; --accent-d:#A8331F; --gold:#C49A5C;
  --line:rgba(34,27,20,.14); --line-2:rgba(34,27,20,.08);
  --serif:"Fraunces",Georgia,serif; --sans:"Inter",system-ui,sans-serif;
  --wrap:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
svg{display:block}
::selection{background:var(--accent);color:#fff}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(22px,5vw,56px)}
.stars{color:var(--accent);letter-spacing:2px;font-size:15px;white-space:nowrap}

/* ---- NAV ---- */
.nav{position:sticky;top:0;z-index:100;background:rgba(241,235,224,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-2)}
.nav-in{max-width:var(--wrap);margin:0 auto;padding:16px clamp(22px,5vw,56px);display:flex;align-items:center;justify-content:space-between}
.brand{font-family:var(--serif);font-weight:600;font-size:21px;display:flex;align-items:center;gap:9px}
.brand .ic{width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:13px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-2)}
.nav-links a:hover{color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-family:var(--sans);font-weight:600;font-size:14px;padding:13px 24px;border-radius:999px;cursor:pointer;border:1.5px solid transparent;transition:all .3s cubic-bezier(.2,.7,.2,1);white-space:nowrap}
.btn-dark{background:var(--ink);color:var(--paper)}.btn-dark:hover{background:var(--accent);transform:translateY(-2px)}
.btn-amazon{background:var(--accent);color:#fff;padding:16px 30px;font-size:15px}.btn-amazon:hover{background:var(--accent-d);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}.btn-ghost:hover{border-color:var(--ink)}
.nav-cta{padding:10px 20px;font-size:12px;text-transform:uppercase;letter-spacing:.04em}
@media(max-width:820px){.nav-links{display:none}}

/* ---- BREADCRUMB ---- */
.crumb{padding:22px 0 4px;font-size:13px;color:var(--muted);font-weight:500;display:flex;gap:8px;align-items:center}
.crumb a:hover{color:var(--accent)}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--ink);font-weight:600}

/* ---- PRODUCT HERO ---- */
.product{margin-top:18px;background:var(--card);border:1px solid var(--line-2);border-radius:26px;padding:clamp(28px,4vw,56px);box-shadow:0 40px 80px -50px rgba(34,27,20,.5);display:grid;grid-template-columns:.82fr 1.18fr;gap:clamp(34px,5vw,70px);align-items:center}
.pcover{position:relative;display:flex;justify-content:center;align-items:center}
.pcover .disc{position:absolute;width:78%;aspect-ratio:1;border-radius:50%;background:var(--panel);z-index:0}
.pcover img{position:relative;z-index:1;width:100%;max-width:310px;height:auto;border-radius:4px 8px 8px 4px;box-shadow:-22px 30px 50px -20px rgba(34,27,20,.5),-2px 3px 8px rgba(34,27,20,.25)}
.pbadge{position:absolute;z-index:2;top:6px;left:6px;background:var(--accent);color:#fff;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:7px 14px;border-radius:999px;box-shadow:0 8px 20px -8px rgba(197,64,42,.6)}

.pinfo{min-width:0}
.rating{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);font-weight:600}
.rating b{color:var(--ink);font-size:15px}
.rating a{border-bottom:1px solid var(--line);padding-bottom:1px}.rating a:hover{color:var(--accent);border-color:var(--accent)}
.pinfo h1{font-family:var(--serif);font-weight:400;font-size:clamp(34px,4.4vw,52px);line-height:1.04;letter-spacing:-.02em;margin:14px 0 0}
.byauthor{margin-top:16px;display:flex;align-items:center;gap:11px}
.byauthor .av{width:36px;height:36px;border-radius:50%;overflow:hidden;flex-shrink:0;background:var(--panel)}
.byauthor .av img{width:100%;height:100%;object-fit:cover;object-position:50% 12%;transform:scale(1.5);transform-origin:50% 12%;filter:grayscale(1) sepia(.5) saturate(1.6) brightness(.96) contrast(1.04)}
.byauthor .nm{font-size:14px}.byauthor .nm b{font-weight:600}.byauthor .nm span{color:var(--muted);font-size:12px;display:block}
.tagline{margin-top:20px;font-family:var(--serif);font-style:italic;font-weight:400;font-size:clamp(18px,2vw,21px);line-height:1.45;color:var(--ink-2);max-width:520px}
.formats{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap}
.chip{font-size:12px;font-weight:600;letter-spacing:.04em;padding:9px 16px;border:1.5px solid var(--line);border-radius:999px;color:var(--ink-2)}
.features{margin-top:24px;display:flex;flex-direction:column;gap:9px}
.features li{list-style:none;display:flex;align-items:center;gap:11px;font-size:14.5px;color:var(--ink-2)}
.features .ck{width:20px;height:20px;border-radius:50%;background:rgba(197,64,42,.12);color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:12px;font-weight:700}
.buyrow{margin-top:28px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.trust{margin-top:14px;font-size:12.5px;color:var(--muted)}
@media(max-width:820px){.product{grid-template-columns:1fr;gap:32px;text-align:center}.byauthor,.buyrow,.formats,.rating{justify-content:center}.features{text-align:left;max-width:340px;margin-left:auto;margin-right:auto}.tagline{margin-left:auto;margin-right:auto}}

/* ---- TABS ---- */
.tabs{margin-top:clamp(40px,5vw,64px)}
.tabbtns{display:flex;gap:6px;border-bottom:1px solid var(--line)}
.tabbtn{appearance:none;background:none;border:0;font-family:var(--sans);font-size:14px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);padding:14px 22px;cursor:pointer;position:relative;transition:color .25s}
.tabbtn:hover{color:var(--ink)}
.tabbtn.on{color:var(--ink)}
.tabbtn.on::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2.5px;background:var(--accent);border-radius:2px}
.panel{display:none;padding-top:34px}
.panel.on{display:block;animation:fade .4s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.panel.desc{max-width:760px}
.panel.desc p{font-size:17px;line-height:1.7;color:var(--ink-2);margin-bottom:18px}
.panel.desc .pull{font-family:var(--serif);font-style:italic;font-size:24px;line-height:1.35;color:var(--ink);border-left:3px solid var(--accent);padding-left:24px;margin:26px 0}
.specs{max-width:640px;display:grid;grid-template-columns:1fr 1.6fr;gap:0}
.specs .row{display:contents}
.specs .k{font-weight:600;font-size:14px;padding:15px 0;border-bottom:1px solid var(--line-2);color:var(--ink)}
.specs .v{font-size:14px;padding:15px 0;border-bottom:1px solid var(--line-2);color:var(--ink-2)}
.reviews{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:900px}
.rev{background:var(--card);border:1px solid var(--line-2);border-radius:16px;padding:26px}
.rev .stars{font-size:14px}
.rev blockquote{font-family:var(--serif);font-style:italic;font-weight:400;font-size:17px;line-height:1.45;color:var(--ink);margin:14px 0 18px}
.rev .who{display:flex;align-items:center;gap:12px}
.rev .who .av{width:42px;height:42px;border-radius:50%;overflow:hidden;flex-shrink:0;background:var(--panel)}
.rev .who .av img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) sepia(.5) saturate(1.6) brightness(.96) contrast(1.04)}
.rev .who b{font-size:14px;display:block}.rev .who span{font-size:12px;color:var(--muted)}
@media(max-width:760px){.specs{grid-template-columns:1fr}.specs .k{padding-bottom:2px;border:0}.reviews{grid-template-columns:1fr}}

/* ---- RELATED ---- */
.related{padding:clamp(56px,7vw,90px) 0 30px}
.related h2{font-family:var(--serif);font-weight:400;font-size:clamp(26px,3.2vw,38px);letter-spacing:-.02em;margin-bottom:34px}
.related h2 em{font-style:italic;color:var(--accent)}
.relgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,40px)}
.relcard{display:flex;gap:18px;align-items:center;background:var(--card);border:1px solid var(--line-2);border-radius:16px;padding:18px;transition:transform .35s,box-shadow .35s}
.relcard:hover{transform:translateY(-4px);box-shadow:0 24px 40px -28px rgba(34,27,20,.45)}
.relcard img{width:74px;height:auto;border-radius:3px;box-shadow:0 12px 22px -12px rgba(34,27,20,.5);flex-shrink:0}
.relcard .rt{font-size:10.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.relcard h3{font-family:var(--serif);font-weight:400;font-size:19px;line-height:1.12;margin:5px 0 8px;letter-spacing:-.01em}
.relcard .go{font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--ink);border-bottom:2px solid var(--accent);padding-bottom:2px}
.relcard:hover .go{color:var(--accent)}
@media(max-width:820px){.relgrid{grid-template-columns:1fr;max-width:460px;margin:0 auto}}

/* ---- FOOTER ---- */
.footer{background:var(--ink);color:rgba(244,234,216,.78);padding:60px 0 32px;margin-top:30px}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(244,234,216,.13)}
.foot-brand{font-family:var(--serif);font-size:25px;color:var(--paper);font-weight:600;display:flex;align-items:center;gap:9px}
.foot-brand .ic{width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}
.foot-brand+p{font-size:13.5px;color:rgba(244,234,216,.6);margin-top:13px;max-width:290px;line-height:1.55}
.foot-col h4{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:15px}
.foot-col a{display:block;font-size:14px;color:rgba(244,234,216,.78);padding:5px 0}.foot-col a:hover{color:var(--paper)}
.foot-bottom{display:flex;justify-content:space-between;padding-top:24px;font-size:13px;color:rgba(244,234,216,.5);flex-wrap:wrap;gap:10px}
.foot-bottom a{color:var(--gold)}
@media(max-width:680px){.foot-top{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}}

/* ---- MOBILE HARDENING ---- */
html{-webkit-text-size-adjust:100%}
body{overflow-x:hidden}
.product>*,.pinfo,.pinfo>*,.byauthor,.byauthor .nm,.rev,.rev>div,.relcard,.relcard>div,.specs{min-width:0}
.pinfo h1,.tagline,.features li,.trust,.rev blockquote,.relcard h3,.crumb,.specs .v{overflow-wrap:break-word}
@media(max-width:600px){
  .nav-in{padding:14px 18px}
  .brand{font-size:18px;gap:7px}.brand .ic{width:25px;height:25px;font-size:13px}
  .nav-cta{padding:9px 13px;font-size:11px}
  .crumb{flex-wrap:wrap;padding-top:18px;font-size:12px}
  .product{padding:24px 20px}
  .pcover img{max-width:230px}
  .pinfo h1{font-size:29px;line-height:1.1;margin-top:12px}
  .tagline{font-size:16px;margin-top:16px}
  .formats,.features{margin-top:18px}
  .buyrow{margin-top:22px;flex-direction:column;align-items:stretch}
  .buyrow .btn{width:100%}
  .tabbtn{padding:12px 13px;font-size:13px}
  .related{padding:46px 0 20px}.related h2{font-size:25px}
  .relcard{padding:14px;gap:14px}.relcard img{width:64px}
}