:root{
    --asphalt:#0d0f12; --asphalt-2:#15181d; --steel:#1e232b; --line:#2b323d;
    --amber:#f2a33c; --amber-dim:#c07f22; --blood:#b03434;
    --bone:#e8e4dc; --fog:#9aa3ae;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:'Barlow',sans-serif;color:var(--bone);background:var(--asphalt);line-height:1.7}
  h1,h2,h3,h4{font-family:'Barlow Condensed',sans-serif;letter-spacing:.04em}
  nav{position:sticky;top:0;z-index:50;background:rgba(13,15,18,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
  .nav-inner{max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 24px}
  .wordmark{font-family:'Barlow Condensed',sans-serif;font-size:1.5rem;letter-spacing:.22em;text-transform:uppercase;color:var(--bone);text-decoration:none;font-weight:700}
  .wordmark span{color:var(--blood)}
  .nav-links{display:flex;gap:22px;flex-wrap:wrap}
  .nav-links a{text-decoration:none;color:var(--fog);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500}
  .nav-links a:hover{color:var(--amber)}
  @media(max-width:760px){.nav-links{display:none}}
  header.hero{position:relative;text-align:center;padding:110px 24px 90px;overflow:hidden;
    background:
      radial-gradient(90% 60% at 50% 108%, rgba(242,163,60,.28), transparent 60%),
      linear-gradient(180deg,#0d0f12 0%, #12151a 55%, #1a1408 100%);}
  .hero::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:2px;height:120px;
    background:repeating-linear-gradient(180deg,var(--amber) 0 14px, transparent 14px 30px);opacity:.7}
  .hero h1{font-size:clamp(3.2rem,9vw,6rem);letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--bone)}
  .hero h1 em{font-style:normal;color:var(--blood)}
  .hero .tagline{font-size:clamp(1.05rem,2.8vw,1.3rem);margin:18px auto 0;max-width:620px;color:var(--fog);font-weight:300}
  .hero .roles{margin-top:20px;font-size:.74rem;letter-spacing:.26em;text-transform:uppercase;color:var(--amber)}
  .hero .cta-row{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;z-index:2}
  .btn{display:inline-block;padding:13px 30px;border-radius:3px;text-decoration:none;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;font-weight:600;transition:all .15s ease}
  .btn-solid{background:var(--amber);color:#14100a}
  .btn-solid:hover{background:#ffbb55}
  .btn-ghost{border:1px solid var(--fog);color:var(--bone)}
  .btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
  section{padding:76px 24px}
  .inner{max-width:1120px;margin:0 auto}
  .kicker{font-size:.72rem;letter-spacing:.34em;text-transform:uppercase;color:var(--blood);font-weight:600;text-align:center}
  h2.title{font-size:clamp(2.2rem,5vw,3.2rem);text-align:center;color:var(--bone);font-weight:600;margin-top:8px;text-transform:uppercase;letter-spacing:.08em}
  .lede{max-width:640px;margin:16px auto 0;text-align:center;color:var(--fog);font-size:.95rem;font-weight:300}
  .shelf{margin-top:58px}
  .shelf-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:10px;flex-wrap:wrap}
  .shelf-head h3{font-size:2rem;color:var(--amber);font-weight:600;text-transform:uppercase;letter-spacing:.08em}
  .shelf-head .shelf-sub{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fog)}
  .books{display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:26px;margin-top:30px}
  .book{background:var(--asphalt-2);border:1px solid var(--line);border-radius:6px;overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,border-color .18s ease}
  .book:hover{transform:translateY(-5px);border-color:var(--amber-dim)}
  .cover-img{width:100%;height:auto;aspect-ratio:2/3;object-fit:cover;display:block}
  .meta{padding:14px 14px 16px;display:flex;flex-direction:column;gap:7px;flex:1}
  .meta .num{font-size:.64rem;letter-spacing:.22em;text-transform:uppercase;color:var(--blood);font-weight:600}
  .bk-title{font-size:1.35rem;color:var(--bone);font-weight:600;line-height:1.15;text-transform:uppercase;letter-spacing:.04em}
  .price-line{font-size:.72rem;color:var(--fog);flex:1}
  .price-line .ku{color:var(--amber);font-weight:500}
  .buy{align-self:flex-start;margin-top:4px;padding:9px 18px;border-radius:3px;background:transparent;border:1px solid var(--amber-dim);color:var(--amber);text-decoration:none;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600}
  .buy:hover{background:var(--amber);color:#14100a}
  /* standalone feature */
  .feature{margin-top:70px;display:grid;grid-template-columns:280px 1fr;gap:44px;align-items:center;background:var(--asphalt-2);border:1px solid var(--line);border-radius:8px;padding:36px}
  @media(max-width:760px){.feature{grid-template-columns:1fr}}
  .feature img{width:100%;border-radius:4px;box-shadow:0 18px 50px rgba(0,0,0,.55)}
  .feature .f-kicker{font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;color:var(--blood);font-weight:600}
  .feature h3{font-size:2.4rem;color:var(--bone);text-transform:uppercase;letter-spacing:.06em;margin:8px 0 12px}
  .feature p{color:var(--fog);font-size:.95rem;font-weight:300;margin-bottom:18px}
  /* mrn.bike */
  .mrn{background:var(--asphalt-2);border-top:1px solid var(--line)}
  .mrn-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;margin-top:46px}
  @media(max-width:860px){.mrn-grid{grid-template-columns:1fr;gap:34px}}
  .mrn-shot{display:block;border-radius:8px;overflow:hidden;border:1px solid var(--line);
    box-shadow:0 26px 70px rgba(0,0,0,.6), 0 0 60px rgba(242,163,60,.10)}
  .mrn-shot img{width:100%;height:auto;display:block;aspect-ratio:1/1;object-fit:cover;
    transition:transform .4s ease}
  .mrn-shot:hover img{transform:scale(1.03)}
  .mrn-copy .f-kicker{font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;color:var(--blood);font-weight:600}
  .mrn-copy h3{font-family:'Barlow Condensed',sans-serif;font-size:clamp(2.6rem,6vw,3.6rem);color:var(--bone);
    text-transform:uppercase;letter-spacing:.1em;margin:10px 0 2px;line-height:1}
  .mrn-copy .mrn-sub{font-size:.76rem;letter-spacing:.26em;text-transform:uppercase;color:var(--amber);font-weight:600}
  .mrn-copy p{color:var(--fog);font-size:.98rem;font-weight:300;margin:20px 0 24px;max-width:46ch}
  .mrn-tags{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:28px;list-style:none}
  .mrn-stats{display:flex;gap:40px;margin:26px 0 24px;padding-bottom:22px;border-bottom:1px solid var(--line);flex-wrap:wrap}
  .mrn-stats div{display:flex;flex-direction:column;gap:2px}
  .mrn-stats b{font-family:'Barlow Condensed',sans-serif;font-size:2.5rem;line-height:1;color:var(--amber);font-weight:600;letter-spacing:.02em}
  .mrn-stats span{font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--fog);font-weight:500}
  .mrn-beta{display:block;margin-top:14px;font-size:.78rem;color:var(--fog);font-weight:300}
  .mrn-tags li{border:1px solid var(--line);border-radius:100px;padding:7px 16px;font-size:.7rem;
    letter-spacing:.16em;text-transform:uppercase;color:var(--bone);font-weight:500;background:var(--asphalt)}
  /* youtube */
  .yt{background:var(--steel)}
  .yt-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:44px}
  @media(max-width:720px){.yt-grid{grid-template-columns:1fr}}
  .yt-card{background:var(--asphalt-2);border:1px solid var(--line);border-radius:8px;padding:30px;display:flex;flex-direction:column;gap:10px}
  .yt-card h3{font-size:1.6rem;color:var(--amber);text-transform:uppercase;letter-spacing:.06em}
  .yt-card p{color:var(--fog);font-size:.92rem;font-weight:300;flex:1}
  /* about */
  .about-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:40px;max-width:760px;margin-left:auto;margin-right:auto}
  .about-two{grid-template-columns:300px 1fr;max-width:960px;gap:44px;align-items:center}
  @media(max-width:760px){.about-two{grid-template-columns:1fr}}
  .about-photo img{width:100%;height:auto;border-radius:6px;border:1px solid var(--line);box-shadow:0 18px 50px rgba(0,0,0,.5)}
  .about-grid p{color:var(--fog);font-weight:300}
  .about-grid .sig{color:var(--amber);font-family:'Barlow Condensed',sans-serif;font-size:1.4rem;letter-spacing:.1em}
  /* newsletter */
  .newsletter{background:linear-gradient(135deg,#1a1408,#241a08 60%,#141008);text-align:center;border-top:1px solid var(--line)}
  .newsletter h2{font-size:clamp(1.9rem,4.5vw,2.6rem);color:var(--bone);text-transform:uppercase;letter-spacing:.08em}
  .newsletter p{max-width:520px;margin:14px auto 26px;font-size:.92rem;color:var(--fog);font-weight:300}
  .nl-form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
  .nl-form input{padding:13px 20px;border-radius:3px;border:1px solid var(--line);background:var(--asphalt);color:var(--bone);min-width:260px;font-family:'Barlow',sans-serif;font-size:.85rem}
  .hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center;max-width:1120px;margin:0 auto;text-align:left}
  @media(max-width:820px){.hero-grid{grid-template-columns:1fr;text-align:center}.hero-photo{order:-1;margin:0 auto}}
  .hero .cta-row{justify-content:flex-start}
  @media(max-width:820px){.hero .cta-row{justify-content:center}}
  .hero-photo{display:flex;justify-content:center}
  .photo-frame{width:280px;aspect-ratio:4/5;border:1px solid var(--line);border-radius:6px;background:linear-gradient(160deg,#1e232b,#12151a);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
  .photo-frame img{width:100%;height:100%;object-fit:cover;border-radius:6px}
  .mono{font-family:'Barlow Condensed',sans-serif;font-size:4.5rem;font-weight:700;letter-spacing:.1em;color:var(--amber)}
  .mono-sub{font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;color:var(--fog)}
  .os-grid{display:grid;grid-template-columns:.75fr 1.35fr 1fr;gap:40px;margin-top:44px;align-items:start}
  @media(max-width:900px){.os-grid{grid-template-columns:1fr}}
  .os-photo img{width:100%;height:auto;border-radius:6px;border:1px solid var(--line);box-shadow:0 18px 50px rgba(0,0,0,.5)}
  .os-col h3{font-size:1.5rem;color:var(--amber);text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
  .inner img{max-width:100%}
  .credits{list-style:none}
  .credits li{padding:8px 0;border-bottom:1px solid var(--line);color:var(--fog);font-size:.9rem;font-weight:300}
  .credits li b{color:var(--bone);font-weight:500}
  footer{background:#08090b;color:var(--fog);text-align:center;padding:44px 24px;font-size:.78rem;letter-spacing:.06em;border-top:1px solid var(--line)}
  footer a{color:var(--amber);text-decoration:none}

  /* ---- multi-page additions, Aug 2026 ---- */
  .nav-links a.here{color:var(--amber)}
  .nav-links a.here::after{content:"";display:block;height:2px;background:var(--amber);margin-top:3px;opacity:.85}

  /* hub cards */
  .hub{padding-top:56px}
  .hub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:44px}
  @media(max-width:820px){.hub-grid{grid-template-columns:1fr}}
  .hub-card{display:block;text-decoration:none;position:relative;overflow:hidden;
    background:var(--asphalt-2);border:1px solid var(--line);border-radius:8px;padding:34px 32px 30px;
    transition:border-color .25s ease, transform .25s ease, background .25s ease}
  .hub-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--amber);
    transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
  .hub-card:hover{border-color:#3a4048;transform:translateY(-3px);background:#1b1f26}
  .hub-card:hover::before{transform:scaleX(1)}
  .hub-num{font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;color:var(--blood);font-weight:600}
  .hub-card h3{font-family:'Barlow Condensed',sans-serif;font-size:clamp(1.9rem,4vw,2.5rem);color:var(--bone);
    text-transform:uppercase;letter-spacing:.06em;line-height:1;margin:12px 0 10px}
  .hub-card p{color:var(--fog);font-size:.94rem;font-weight:300;margin:0 0 20px;max-width:44ch}
  .hub-meta{display:flex;align-items:center;gap:12px;font-size:.7rem;letter-spacing:.18em;
    text-transform:uppercase;color:var(--amber);font-weight:600}
  .hub-meta .arrow{transition:transform .25s ease}
  .hub-card:hover .hub-meta .arrow{transform:translateX(5px)}
  .hub-tag{margin-left:auto;color:var(--fog);font-weight:500;letter-spacing:.12em}

  /* series jump bar on the books page */
  .jump{position:sticky;top:69px;z-index:40;background:rgba(15,17,21,.94);
    backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding:12px 0;margin-bottom:8px}
  .jump-inner{max-width:1180px;margin:0 auto;padding:0 28px;display:flex;flex-wrap:wrap;gap:7px;justify-content:center}
  @media(max-width:900px){.jump{position:static}}
  .jump a{font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--fog);
    text-decoration:none;border:1px solid var(--line);border-radius:100px;padding:6px 13px;
    transition:color .2s,border-color .2s,background .2s}
  .jump a:hover{color:var(--bone);border-color:var(--amber);background:rgba(233,146,51,.08)}

  /* page intro band */
  .pagehead{padding:70px 0 10px;border-bottom:1px solid var(--line);background:var(--asphalt-2)}
  .pagehead .inner{padding-bottom:44px}
  .backlink{display:inline-block;margin-bottom:22px;font-size:.7rem;letter-spacing:.2em;
    text-transform:uppercase;color:var(--fog);text-decoration:none}
  .backlink:hover{color:var(--amber)}
  section[id]{scroll-margin-top:110px}