/* olarhike.net — dark field manual */
:root{--ink:#0f1113;--panel:#171a1d;--line:#282d32;--text:#e7e4de;--dim:#9aa1a8;--hot:#ff5c1a}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--text);
 font-family:"Inter","Helvetica Neue",Helvetica,Arial,sans-serif;font-size:16px;line-height:1.6;
 -webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.018em;line-height:1.1}
p{margin:0 0 1em}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
.oh-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.oh-skip{position:absolute;left:-9999px}
.oh-skip:focus{left:12px;top:12px;background:var(--hot);color:#fff;padding:10px 16px;z-index:99}
:focus-visible{outline:2px solid var(--hot);outline-offset:2px}
.oh-wrap{max-width:1320px;margin:0 auto;padding:0 26px}
.oh-mono{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace}

/* topographic rule used between sections */
.oh-topo{height:3px;background:repeating-linear-gradient(90deg,var(--line) 0 22px,transparent 22px 30px)}

/* header */
.oh-head{position:sticky;top:0;z-index:60;background:rgba(15,17,19,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.oh-head-in{max-width:1320px;margin:0 auto;padding:0 26px;height:62px;display:flex;align-items:center;gap:30px}
.oh-logo img{height:26px;width:auto}
.oh-nav{display:flex;gap:24px;margin-left:auto;font-size:13.5px;font-weight:500}
.oh-nav a{color:var(--dim);padding:4px 0;border-bottom:1px solid transparent}
.oh-nav a:hover{color:var(--text);border-bottom-color:var(--hot)}
.oh-cta{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.13em;text-transform:uppercase;
 background:var(--hot);color:#fff;padding:10px 15px;border-radius:2px}
.oh-cta:hover{background:#ff7038}
.oh-menu{display:none;margin-left:auto;background:none;border:1px solid var(--line);width:40px;height:34px;padding:8px 9px;cursor:pointer;border-radius:2px}
.oh-menu span{display:block;height:1px;background:var(--text);margin:4px 0}

/* hero */
.oh-hero{position:relative;padding:84px 0 62px;overflow:hidden;border-bottom:1px solid var(--line)}
.oh-hero::before{content:"";position:absolute;inset:0;opacity:.4;
 background:radial-gradient(circle at 78% 22%,rgba(255,92,26,.14),transparent 55%),
 repeating-linear-gradient(115deg,transparent 0 46px,rgba(40,45,50,.55) 46px 47px)}
.oh-hero-in{position:relative;max-width:1320px;margin:0 auto;padding:0 26px}
.oh-tag{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--hot);margin:0 0 22px}
.oh-hero h1{font-size:clamp(36px,5.6vw,70px);max-width:16ch}
.oh-hero h1 em{font-style:normal;color:var(--hot)}
.oh-lead{max-width:58ch;font-size:17.5px;color:var(--dim);margin:24px 0 30px}
.oh-btns{display:flex;gap:12px;flex-wrap:wrap}
.oh-btn{display:inline-block;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;letter-spacing:.12em;
 text-transform:uppercase;padding:14px 22px;border:1px solid var(--line);border-radius:2px;background:var(--panel);cursor:pointer}
.oh-btn:hover{border-color:var(--hot);color:var(--hot)}
.oh-btn--hot{background:var(--hot);border-color:var(--hot);color:#fff}
.oh-btn--hot:hover{background:#ff7038;color:#fff}
.oh-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:44px;border-radius:2px;overflow:hidden}
.oh-stats li{background:var(--ink);padding:20px 22px}
.oh-stats b{display:block;font-size:26px;letter-spacing:-.03em}
.oh-stats span{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}

/* section shell */
.oh-sec{padding:62px 0;border-bottom:1px solid var(--line)}
.oh-kick{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--hot);margin:0 0 14px}
.oh-sec h2{font-size:clamp(25px,3.3vw,40px);margin-bottom:16px;max-width:22ch}
.oh-sec-lead{max-width:62ch;color:var(--dim);margin-bottom:30px}

/* category shelf */
.oh-shelf-head{display:grid;grid-template-columns:auto 1fr 260px;gap:32px;align-items:start;margin-bottom:26px}
.oh-num{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:46px;line-height:.9;color:var(--line);letter-spacing:-.04em}
.oh-facts{display:flex;gap:30px;flex-wrap:wrap;margin-top:16px}
.oh-facts dt{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--dim)}
.oh-facts dd{font-size:18px;font-weight:700;margin-top:2px}
.oh-shelf-fig{margin:0;border:1px solid var(--line);border-radius:2px;overflow:hidden}
.oh-shelf-fig img{width:100%;height:auto;aspect-ratio:1;object-fit:cover}

/* cards */
.oh-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.oh-card{background:var(--panel);border:1px solid var(--line);border-radius:3px;display:flex;flex-direction:column;overflow:hidden;transition:border-color .14s}
.oh-card:hover{border-color:#3a4147}
.oh-card-img{background:#fff}
.oh-card-img img{width:100%;height:auto;aspect-ratio:1;object-fit:contain}
.oh-card-body{padding:15px 16px 17px;display:flex;flex-direction:column;flex:1}
.oh-spec{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--hot)}
.oh-spec--none{color:var(--dim)}
.oh-card h3{font-size:14px;font-weight:600;line-height:1.35;margin:8px 0 8px}
.oh-card h3 a:hover{color:var(--hot)}
.oh-stars{margin:0 0 10px;font-size:12px;color:var(--dim);display:flex;gap:5px;align-items:baseline}
.oh-stars span{color:var(--hot);letter-spacing:-1px}
.oh-stars em{font-style:normal;color:#6f767c}
.oh-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:10px}
.oh-price{font-size:18px;font-weight:700}
.oh-buy{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
 border:1px solid var(--line);border-radius:2px;padding:8px 12px;white-space:nowrap}
.oh-buy:hover{background:var(--hot);border-color:var(--hot);color:#fff}
.oh-more{margin-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:baseline}
.oh-more a{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
 color:var(--hot);border-bottom:1px solid rgba(255,92,26,.4);padding-bottom:3px}
.oh-more span{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:10.5px;color:var(--dim)}

/* comparison + tables */
.oh-tw{overflow-x:auto}
.oh-table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:600px}
.oh-table th,.oh-table td{text-align:left;padding:13px 16px;border-top:1px solid var(--line);vertical-align:top}
.oh-table thead th{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--dim);border-top:0}
.oh-table tbody th{font-weight:600;width:230px}
.oh-table td{color:var(--dim)}
.oh-table .oh-yes{color:var(--hot)}

/* picker */
.oh-pick{background:var(--panel);border:1px solid var(--line);border-radius:3px;padding:28px;margin-top:26px}
.oh-pick-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;gap:16px;align-items:end}
.oh-field{display:flex;flex-direction:column;gap:7px}
.oh-field label{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}
.oh-field select{background:var(--ink);border:1px solid var(--line);color:var(--text);padding:12px 13px;font:inherit;font-size:15px;border-radius:2px}
.oh-field select:focus{border-color:var(--hot);outline:none}
.oh-out{margin-top:22px;border-left:2px solid var(--hot);background:var(--ink);padding:16px 20px;font-size:15.5px}
.oh-out a{color:var(--hot);border-bottom:1px solid rgba(255,92,26,.4)}

/* uses / faq / guides */
.oh-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.oh-cols article{background:var(--panel);border:1px solid var(--line);border-radius:3px;padding:24px}
.oh-cols h3{font-size:17px;margin:10px 0 8px}
.oh-cols p{margin:0;font-size:14px;color:var(--dim)}
.oh-cols .oh-mono{font-size:10.5px;letter-spacing:.12em;color:var(--hot);text-transform:uppercase}
.oh-faq details{border-top:1px solid var(--line)}
.oh-faq details:last-child{border-bottom:1px solid var(--line)}
.oh-faq summary{cursor:pointer;list-style:none;padding:18px 40px 18px 0;font-size:16.5px;font-weight:600;position:relative}
.oh-faq summary::-webkit-details-marker{display:none}
.oh-faq summary::after{content:"+";position:absolute;right:6px;top:14px;font-size:22px;font-weight:400;color:var(--hot)}
.oh-faq details[open] summary::after{content:"–"}
.oh-faq p{margin:0 0 20px;max-width:76ch;color:var(--dim)}
.oh-cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.oh-cards3 a{background:var(--panel);border:1px solid var(--line);border-radius:3px;padding:24px;display:flex;flex-direction:column;gap:10px}
.oh-cards3 a:hover{border-color:var(--hot)}
.oh-cards3 b{font-size:17px;line-height:1.28}
.oh-cards3 em{font-style:normal;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:10.5px;color:var(--dim);margin-top:auto}

/* product page */
.oh-crumbs{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--dim);margin-bottom:20px}
.oh-crumbs a:hover{color:var(--hot)}
.oh-pdp{padding:30px 0 70px}
.oh-pdp-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start}
.oh-shot{margin:0;background:#fff;border:1px solid var(--line);border-radius:3px;overflow:hidden}
.oh-shot img{width:100%;height:auto;aspect-ratio:1;object-fit:contain}
.oh-thumbs{display:flex;gap:8px;margin-top:8px}
.oh-thumb{width:74px;height:74px;padding:0;background:#fff;border:1px solid var(--line);cursor:pointer;border-radius:2px;overflow:hidden}
.oh-thumb.on{border-color:var(--hot)}
.oh-thumb img{width:100%;height:100%;object-fit:contain}
.oh-pdp h1{font-size:clamp(23px,3vw,34px);margin:10px 0 0}
.oh-pdp-price{margin:20px 0 22px;display:flex;align-items:baseline;gap:14px}
.oh-price--lg{font-size:31px}
.oh-copy{color:var(--dim);max-width:66ch;font-size:16px;margin:26px 0}
.oh-spec-table{width:100%;border-collapse:collapse;font-size:14.5px;max-width:620px}
.oh-spec-table th,.oh-spec-table td{text-align:left;padding:11px 0;border-top:1px solid var(--line);vertical-align:top}
.oh-spec-table th{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);width:180px;font-weight:400}
.oh-rel{margin-top:52px;border-top:1px solid var(--line);padding-top:32px}
.oh-rel h2{font-size:22px;margin-bottom:20px}

/* article */
.oh-art{max-width:740px;margin:0 auto;padding:30px 26px 70px}
.oh-art h1{font-size:clamp(27px,4vw,44px);margin:8px 0 14px}
.oh-art-dek{font-size:18px;color:var(--dim);margin-bottom:10px}
.oh-art-meta{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.08em;color:#6f767c;margin-bottom:26px}
.oh-art-hero{margin:0 0 32px;border:1px solid var(--line);border-radius:3px;overflow:hidden}
.oh-art-hero img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}
.oh-art-body h2{font-size:25px;margin:38px 0 14px}
.oh-art-body p{color:var(--dim);font-size:16.5px;line-height:1.7}
.oh-art-body a{color:var(--hot);border-bottom:1px solid rgba(255,92,26,.4)}
.oh-a-list li{padding-left:22px;position:relative;margin-bottom:10px;color:var(--dim);line-height:1.6}
.oh-a-list li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:1px;background:var(--hot)}
.oh-a-note{border-left:2px solid var(--hot);background:var(--panel);padding:16px 20px;margin:26px 0;font-size:15px;color:var(--dim)}
.oh-a-table{width:100%;border-collapse:collapse;font-size:14.5px;margin:8px 0 24px;min-width:520px}
.oh-a-table th,.oh-a-table td{text-align:left;padding:11px 14px;border-top:1px solid var(--line);vertical-align:top}
.oh-a-table thead th{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);border-top:0}
.oh-a-table tbody th{font-weight:600;width:36%}
.oh-a-table td{color:var(--dim)}

/* docs */
.oh-doc{max-width:760px;margin:0 auto;padding:34px 26px 70px}
.oh-doc h1{font-size:clamp(27px,3.6vw,42px);margin-bottom:24px}
.oh-doc p{color:var(--dim);max-width:70ch}
.oh-doc a{color:var(--hot);border-bottom:1px solid rgba(255,92,26,.4)}

/* footer */
.oh-foot{background:#0b0d0f;border-top:1px solid var(--line)}
.oh-foot-in{max-width:1320px;margin:0 auto;padding:50px 26px 32px;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.oh-foot-brand p{font-size:13.5px;color:var(--dim);margin-top:16px;max-width:42ch}
.oh-foot h4{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#6f767c;margin-bottom:14px}
.oh-foot-in a{display:block;font-size:13.5px;padding:5px 0;color:var(--dim)}
.oh-foot-in a:hover{color:var(--hot)}
.oh-foot-base{max-width:1320px;margin:0 auto;padding:16px 26px 34px;border-top:1px solid var(--line);
 display:flex;justify-content:space-between;gap:22px;font-size:12px;color:#6f767c;flex-wrap:wrap}

@media (max-width:1080px){
  .oh-grid{grid-template-columns:repeat(3,1fr)}
  .oh-shelf-head{grid-template-columns:auto 1fr}
  .oh-shelf-fig{display:none}
  .oh-pdp-grid{grid-template-columns:1fr;gap:28px}
  .oh-cols,.oh-cards3{grid-template-columns:1fr 1fr}
  .oh-foot-in{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .oh-nav{display:none;position:absolute;top:62px;left:0;right:0;background:var(--ink);border-bottom:1px solid var(--line);
   flex-direction:column;gap:0;padding:8px 0}
  .oh-nav.open{display:flex}
  .oh-nav a{padding:12px 26px}
  .oh-menu{display:block}
  .oh-cta{display:none}
  .oh-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .oh-stats{grid-template-columns:1fr 1fr}
  .oh-cols,.oh-cards3,.oh-foot-in{grid-template-columns:1fr}
  .oh-pick-form{grid-template-columns:1fr}
  .oh-hero{padding:52px 0 42px}
  .oh-num{font-size:32px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}