/* The Rise of OBA — production stylesheet */
:root{
  --bg:#ffffff; --fg:#111111; --muted:#6b6b6b; --border:#e7e5e0;
  --soft:#f6f6f6; --gold:#D4AF37; --gold-2:#E8C86A; --gold-3:#A9861F;
  --radius:14px; --maxw:1200px; --shadow-lg:0 30px 60px -30px rgba(17,17,17,.25);
  --shadow-gold:0 20px 50px -20px rgba(212,175,55,.6);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);
  font-family:"Inter",ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  font-feature-settings:"ss01","cv11"}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;background:none;border:0;color:inherit}
::selection{background:var(--gold);color:#111}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}

/* Typography */
.display{font-family:"Fraunces","Playfair Display",Georgia,serif;letter-spacing:-.02em;font-weight:600;line-height:1.05}
.h1{font-size:clamp(2.6rem,6vw,4.75rem)}
.h2{font-size:clamp(2rem,4vw,3.25rem);line-height:1.08}
.eyebrow{font-size:.72rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin:0}
.gold-text{background:linear-gradient(135deg,var(--gold-2) 0%,var(--gold) 55%,var(--gold-3) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hairline{height:1px;width:96px;background:linear-gradient(90deg,var(--gold-2),var(--gold),var(--gold-3));margin:28px 0 0}
.sub{color:var(--muted);font-size:1.05rem;margin:14px auto 0;max-width:36rem}
.fine{color:var(--muted);font-size:.78rem;margin-top:12px}

/* Layout */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
@media(min-width:768px){.wrap{padding:0 40px}}
.section{padding:96px 0}
@media(min-width:768px){.section{padding:128px 0}}
.section.dark{background:#0e0e0e;color:#fff}
.section.dark .eyebrow{color:rgba(255,255,255,.6)}
.section.dark .sub{color:rgba(255,255,255,.7)}
.bg-soft{background:color-mix(in oklab, var(--soft) 80%, transparent)}
.center{text-align:center}
.max-2{max-width:640px;margin-left:auto;margin-right:auto}
.max-3{max-width:820px;margin-left:auto;margin-right:auto}
.grid-12{display:grid;gap:56px}
@media(min-width:900px){.grid-12{grid-template-columns:repeat(12,minmax(0,1fr));gap:40px}
  .col-5{grid-column:span 5}.col-7{grid-column:span 7}
}
.align-center{align-items:center}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-weight:600;font-size:.9rem;
  transition:transform .2s ease, box-shadow .2s ease, background .3s, color .3s, border-color .3s;
  white-space:nowrap}
.btn-sm{padding:10px 18px;font-size:.82rem}
.btn-lg{padding:16px 32px}
.btn-block{width:100%;justify-content:center}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold) 55%,var(--gold-3));color:#0b0b0b;box-shadow:var(--shadow-gold)}
.btn-gold:hover{transform:translateY(-2px)}
.btn-ghost{border:1px solid rgba(17,17,17,.2);background:#fff;color:var(--fg)}
.btn-ghost:hover{background:var(--fg);color:#fff;border-color:var(--fg)}
.i{flex-shrink:0}

/* Nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .4s, box-shadow .4s, border-color .4s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(255,255,255,.82);backdrop-filter:saturate(140%) blur(16px);-webkit-backdrop-filter:saturate(140%) blur(16px);border-bottom-color:var(--border)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
@media(min-width:768px){.nav-inner{padding:18px 40px}}
.brand{display:inline-flex;align-items:center;gap:8px;color:var(--fg)}
.brand svg{color:var(--gold)}
.brand-name{font-family:"Fraunces",serif;font-weight:600;font-size:1.05rem;letter-spacing:-.01em}
.nav-links{display:none;gap:40px}
@media(min-width:900px){.nav-links{display:flex}}
.nav-links a{position:relative;font-size:.88rem;font-weight:500;color:rgba(17,17,17,.7);padding:6px 0}
.nav-links a:hover{color:var(--fg)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--gold);transition:width .3s ease}
.nav-links a:hover::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn{display:none}
@media(min-width:900px){.nav-actions .btn{display:inline-flex}}
.nav-toggle{width:38px;height:38px;border:1px solid var(--border);border-radius:8px;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.nav-toggle span{width:18px;height:1.5px;background:var(--fg);display:block}
.nav-toggle span:last-child{width:12px}
@media(min-width:900px){.nav-toggle{display:none}}
.nav-mobile{border-top:1px solid var(--border);background:rgba(255,255,255,.95);backdrop-filter:blur(8px);padding:12px 24px 20px;display:flex;flex-direction:column;gap:6px}
.nav-mobile a{padding:12px;border-radius:8px;font-weight:500;color:rgba(17,17,17,.85)}
.nav-mobile a:hover{background:var(--soft)}
.nav-mobile .btn{margin-top:8px}

/* Hero */
.hero{position:relative;isolation:isolate;padding:128px 0 96px;overflow:hidden}
@media(min-width:768px){.hero{padding:160px 0 128px}}
.hero-bg{position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(212,175,55,.10), transparent 60%),
    linear-gradient(to bottom, transparent, rgba(0,0,0,.02));
}
.hero-bg::after{content:"";position:absolute;inset:0;opacity:.035;
  background-image:linear-gradient(rgba(17,17,17,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(17,17,17,.6) 1px,transparent 1px);
  background-size:56px 56px}
.hero-grid{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:grid;gap:56px;align-items:center}
@media(min-width:900px){.hero-grid{grid-template-columns:1.05fr 1fr;gap:40px;padding:0 40px}}
.chip{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;
  border:1px solid rgba(212,175,55,.35);background:rgba(212,175,55,.06);
  color:var(--gold-3);font-size:.72rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase}
.hero-copy .h1{margin:24px 0 8px}
.hero-copy .h1 em{font-style:italic;font-weight:400}
.hero-copy .eyebrow{margin-top:0}
.lede{max-width:34rem;font-size:1.12rem;color:var(--muted);margin:24px 0 0;line-height:1.6;text-wrap:pretty}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.hero-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;max-width:28rem;margin:44px 0 0;padding:0}
.hero-meta dt{font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.hero-meta dd{margin:6px 0 0;font-family:"Fraunces",serif;font-size:1.15rem;font-weight:600}

/* Hero book */
.hero-book{position:relative;display:flex;align-items:center;justify-content:center;min-height:520px}
.glow{position:absolute;border-radius:50%;filter:blur(48px);pointer-events:none}
.glow-gold{width:520px;height:520px;background:radial-gradient(closest-side,rgba(212,175,55,.35),transparent 70%)}
.glow-white{width:320px;height:320px;background:radial-gradient(closest-side,rgba(255,255,255,.95),transparent 70%)}
.speck{position:absolute;border-radius:50%}
.s1{left:32px;top:64px;width:8px;height:8px;background:rgba(212,175,55,.75);animation:float 8s ease-in-out infinite}
.s2{right:40px;top:96px;width:6px;height:6px;background:rgba(17,17,17,.4);animation:float 6s ease-in-out infinite}
.s3{right:80px;bottom:64px;width:10px;height:10px;background:rgba(212,175,55,.65);animation:float 9s ease-in-out infinite reverse}
.s4{left:60px;bottom:40px;width:6px;height:6px;background:rgba(17,17,17,.4);animation:float 7s ease-in-out infinite}
.book-float{position:relative;animation:bookFloat 7s ease-in-out infinite}
.book-float img{max-height:640px;width:auto;margin:0 auto;filter:drop-shadow(0 50px 80px rgba(17,17,17,.35))}
.book-shadow{position:absolute;left:32px;right:32px;bottom:-24px;height:36px;border-radius:50%;background:rgba(0,0,0,.4);filter:blur(24px)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes bookFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* Countdown */
.countdown{background:color-mix(in oklab, var(--soft) 90%, transparent);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:64px 0}
@media(min-width:768px){.countdown{padding:80px 0}}
.cd-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;max-width:720px;margin:40px auto 0}
@media(min-width:768px){.cd-grid{gap:24px}}
.cd-cell{position:relative;background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px 12px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
@media(min-width:768px){.cd-cell{padding:32px 12px}}
.cd-cell::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;border-radius:18px 18px 0 0;background:linear-gradient(90deg,var(--gold-2),var(--gold),var(--gold-3));opacity:.7}
.cd-num{font-family:"Fraunces",serif;font-weight:600;font-variant-numeric:tabular-nums;font-size:clamp(2rem,6vw,3.75rem);line-height:1;transition:opacity .3s, transform .3s}
.cd-num.flip{opacity:0;transform:translateY(-8px)}
.cd-label{margin-top:8px;font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);font-weight:600}
@media(min-width:768px){.cd-label{font-size:.72rem}}

/* About */
.about-body{font-size:1.1rem;color:var(--muted);line-height:1.7}
.about-body p{margin:0 0 20px}
.about-body em{color:var(--fg);font-style:italic;font-weight:500}
.about-meta{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding-top:24px;margin-top:8px}
.about-meta .k{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin:0;padding-top:16px;border-top:1px solid var(--border)}
.about-meta .v{margin:6px 0 0;color:var(--fg);font-weight:500}

/* Benefits */
.benefits{display:grid;gap:20px;grid-template-columns:1fr;margin-top:56px}
@media(min-width:640px){.benefits{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.benefits{grid-template-columns:repeat(3,1fr)}}
.b-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--border);border-radius:20px;padding:32px;transition:transform .5s, border-color .5s, box-shadow .5s}
.b-card::before{content:"";position:absolute;right:-64px;top:-64px;width:160px;height:160px;border-radius:50%;background:rgba(212,175,55,0);filter:blur(28px);transition:background .5s}
.b-card:hover{transform:translateY(-4px);border-color:rgba(212,175,55,.5);box-shadow:var(--shadow-lg)}
.b-card:hover::before{background:rgba(212,175,55,.18)}
.b-card:hover .b-ico{border-color:rgba(212,175,55,.6);color:var(--gold)}
.b-ico{width:48px;height:48px;border-radius:12px;background:var(--soft);border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;transition:color .3s, border-color .3s}
.b-card h3{margin:24px 0 8px;font-size:1.55rem}
.b-card p{margin:0;color:var(--muted)}
.b-foot{margin-top:24px;font-size:.85rem;color:rgba(17,17,17,.55);font-weight:500;transition:color .3s}
.b-card:hover .b-foot{color:var(--gold-3)}

/* Author */
.portrait-wrap{position:relative}
.portrait-glow{position:absolute;inset:-24px;border-radius:32px;background:linear-gradient(135deg,var(--gold-2),var(--gold-3));opacity:.2;filter:blur(32px)}
.portrait{position:relative;overflow:hidden;border-radius:22px;border:1px solid var(--border);background:var(--soft);margin:0}
.portrait img{width:100%;height:auto;object-fit:cover;aspect-ratio:16/9}
.portrait figcaption{position:absolute;inset:auto 0 0 0;padding:16px 20px;background:linear-gradient(to top,rgba(0,0,0,.55),transparent);color:#fff}
.portrait figcaption .k{font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.75);margin:0}
.portrait figcaption .v{margin:4px 0 0;font-size:1.15rem;font-weight:600}
.author-body{margin-top:32px;font-size:1.1rem;line-height:1.7;color:var(--muted)}
.author-body p{margin:0 0 20px}
.author-body blockquote{border-left:2px solid var(--gold);padding-left:20px;margin:20px 0;font-style:italic;color:var(--fg)}
.socials{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}
.socials a{width:44px;height:44px;border-radius:50%;border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;color:rgba(17,17,17,.7);transition:transform .2s, color .3s, border-color .3s}
.socials a:hover{transform:translateY(-2px);color:var(--gold);border-color:rgba(212,175,55,.6)}
.socials.small a{width:36px;height:36px}

/* Inside chapters */
.chapters{display:grid;gap:20px;grid-template-columns:1fr;margin-top:56px}
@media(min-width:900px){.chapters{grid-template-columns:repeat(3,1fr)}}
.ch-card{position:relative;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:32px;transition:transform .4s, border-color .4s;backdrop-filter:blur(4px)}
.ch-card:hover{transform:translateY(-4px);border-color:rgba(212,175,55,.6)}
.ch-head{display:flex;justify-content:space-between;align-items:center}
.ch-head .k{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.big{font-size:2rem}
.ch-card h3{font-size:1.5rem;margin:24px 0 12px}
.ch-card p{color:rgba(255,255,255,.7);margin:0}
.ch-line{height:1px;background:rgba(255,255,255,.1);margin:28px 0 16px;transition:background .3s}
.ch-card:hover .ch-line{background:rgba(212,175,55,.5)}
.ch-meta{font-size:.82rem;color:rgba(255,255,255,.6)}
.pullquote{max-width:820px;margin:96px auto 0;text-align:center;color:#fff}
.pullquote svg{color:var(--gold);margin:0 auto}
.pullquote blockquote{margin:24px 0 0;font-size:clamp(1.5rem,3.5vw,2.25rem);font-style:italic;font-weight:500;line-height:1.25}
.pullquote .attribution{margin-top:24px;font-size:.75rem;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.6)}

/* Reviews */
.reviews{display:grid;gap:24px;grid-template-columns:1fr;margin-top:56px}
@media(min-width:900px){.reviews{grid-template-columns:repeat(3,1fr)}}
.review{background:#fff;border:1px solid var(--border);border-radius:20px;padding:32px;box-shadow:0 1px 2px rgba(0,0,0,.03);transition:transform .3s,box-shadow .3s;margin:0}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.stars{color:var(--gold);letter-spacing:2px;font-size:1.1rem}
.review blockquote{margin:20px 0 0;font-size:1.15rem;line-height:1.5;color:var(--fg)}
.review figcaption{display:flex;align-items:center;gap:12px;margin-top:24px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--gold-2),var(--gold),var(--gold-3));color:#111;display:inline-flex;align-items:center;justify-content:center;font-family:"Fraunces",serif;font-weight:600}
.name{font-size:.9rem;font-weight:600}
.role{font-size:.78rem;color:var(--muted)}

/* Waitlist form */
.waitlist-form{display:grid;gap:12px;grid-template-columns:1fr;margin-top:40px}
@media(min-width:640px){.waitlist-form{grid-template-columns:1fr 1.4fr auto}}
.waitlist-form.compact{grid-template-columns:1fr;margin-top:24px}
.waitlist-form input[type=text],
.waitlist-form input[type=email]{height:48px;padding:0 20px;border-radius:999px;border:1px solid var(--border);background:#fff;font:inherit;font-size:.92rem;color:var(--fg);transition:border-color .2s}
.waitlist-form input:focus{outline:none;border-color:var(--fg)}
.waitlist-form .btn{height:48px}
.thanks{margin-top:24px;color:var(--gold-3);font-weight:600}

/* FAQ */
.faq{margin-top:56px;border:1px solid var(--border);border-radius:20px;background:#fff;overflow:hidden}
.faq details{border-top:1px solid var(--border)}
.faq details:first-child{border-top:0}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 28px;cursor:pointer;list-style:none;font-family:"Fraunces",serif;font-size:1.15rem;font-weight:500}
.faq summary::-webkit-details-marker{display:none}
.faq .chev{width:14px;height:14px;border-right:2px solid #999;border-bottom:2px solid #999;transform:rotate(45deg);flex-shrink:0;transition:transform .3s, border-color .3s;margin-bottom:4px}
.faq details[open] .chev{transform:rotate(-135deg);border-color:var(--gold);margin-bottom:0;margin-top:4px}
.faq .a{padding:0 28px 24px;color:var(--muted)}

/* Final CTA */
.final{position:relative;overflow:hidden;background:#0e0e0e;color:#fff;padding:112px 0;text-align:center}
@media(min-width:768px){.final{padding:144px 0}}
.final-bg{position:absolute;inset:0;background:radial-gradient(600px 300px at 50% 0%,rgba(212,175,55,.25),transparent 70%);pointer-events:none}
.final .wrap{position:relative}
.crown-final{color:var(--gold);margin:0 auto 24px}
.final .sub{color:rgba(255,255,255,.7)}
.final .btn-gold{margin-top:36px}

/* Footer */
.footer{border-top:1px solid var(--border);background:#fff}
.footer-inner{display:flex;flex-direction:column;gap:24px;padding:56px 24px}
@media(min-width:768px){.footer-inner{flex-direction:row;justify-content:space-between;align-items:center;padding:56px 40px}}
.footer .brand{color:var(--fg)}
.footer .copy{margin-top:12px;font-size:.85rem;color:var(--muted)}
.footer-links{display:flex;flex-wrap:wrap;align-items:center;gap:24px;font-size:.9rem;color:var(--muted)}
.footer-links a:hover{color:var(--fg)}

/* Popup */
.popup{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;padding:16px;opacity:0;pointer-events:none;transition:opacity .3s}
.popup.open{opacity:1;pointer-events:auto}
.popup-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px)}
.popup-dialog{position:relative;max-width:520px;width:100%;background:#fff;border:1px solid var(--border);border-radius:24px;padding:36px 32px;box-shadow:0 30px 80px -20px rgba(0,0,0,.4);transform:translateY(20px) scale(.96);transition:transform .35s cubic-bezier(.2,.7,.2,1);overflow:hidden}
@media(min-width:768px){.popup-dialog{padding:44px 40px}}
.popup.open .popup-dialog{transform:translateY(0) scale(1)}
.popup-gold{position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,var(--gold-2),var(--gold),var(--gold-3))}
.popup-close{position:absolute;right:14px;top:14px;width:36px;height:36px;border-radius:50%;border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;color:rgba(17,17,17,.6);transition:color .2s}
.popup-close:hover{color:var(--fg)}
.popup-crown{color:var(--gold)}
.popup-dialog h3{font-size:clamp(1.6rem,3vw,2rem);margin:16px 0 8px;line-height:1.15}
.popup-dialog > p{color:var(--muted);margin:0 0 8px}

/* Reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.is-visible{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){
  .reveal,.book-float,.speck,.cd-num{animation:none !important;transition:none !important;opacity:1 !important;transform:none !important}
  html{scroll-behavior:auto}
}

/* Explicit [hidden] handling (overrides display:flex on .nav-mobile and .popup) */
[hidden]{display:none !important}