:root{--paper:#fbf6ec;--paper2:#f4ead6;--ink:#2a2018;--ink2:#4a3d31;--muted:#6b5b4b;--gold:#c99a3e;--gold-d:#8a5f14;--gold-l:#f1d48c;--night:#211812;--night2:#2e2219;--line:#e6d8bd;
--serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;--sans:"Source Sans 3",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--r:18px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.65 var(--sans);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.1;margin:0 0 .5em;color:var(--ink);letter-spacing:-.005em}
h2{font-size:clamp(2rem,6.4vw,3.1rem)}
h3{font-size:1.5rem}
p{margin:0 0 1em}
a{color:var(--gold-d)}
.wrap{width:min(1160px,100% - 2.5rem);margin-inline:auto}
.narrow{width:min(760px,100% - 2.5rem)}
.center{text-align:center}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:1rem;top:-4rem;z-index:100;background:var(--ink);color:#fff;padding:.7rem 1rem;border-radius:10px;font-weight:700}
.skip:focus{top:1rem}
:focus-visible{outline:3px solid #1d5fd6;outline-offset:3px;border-radius:6px}
.eyebrow{margin-top:.4rem}
.kicker,.eyebrow{font:700 .8rem/1.3 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-d);margin-bottom:.9rem}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:48px;padding:.85rem 1.6rem;border-radius:999px;background:linear-gradient(180deg,#e2b65a,#c9973a);color:#1f160e;font:700 1.02rem/1.1 var(--sans);text-decoration:none;letter-spacing:.01em;box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 8px 22px -10px rgba(122,82,18,.7);transition:transform .15s ease,box-shadow .15s ease,filter .15s}
.btn::after{content:"";width:.9em;height:.9em;background:currentColor;-webkit-mask:url('data:image/svg+xml;utf8,') center/contain no-repeat;mask:url('data:image/svg+xml;utf8,') center/contain no-repeat}
.btn:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 12px 26px -10px rgba(122,82,18,.8)}
.btn-lg{min-height:56px;padding:1rem 2rem;font-size:1.1rem}
.btn-sm{min-height:44px;padding:.6rem 1.1rem;font-size:.95rem}
.btn-light{background:linear-gradient(180deg,#f6dc98,#e2b65a)}
/* header */
.top{position:sticky;top:0;z-index:40;background:rgba(251,246,236,.86);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid rgba(201,154,62,.22)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px}
.brand{display:flex;align-items:center;gap:.55rem;color:var(--ink);text-decoration:none;font:600 1.3rem/1 var(--serif)}
.brand-mark{width:26px;height:26px;color:var(--gold)}
@media (max-width:420px){.brand span{font-size:1.12rem}.top .btn-sm{padding:.55rem .9rem;font-size:.9rem}.top .btn-sm::after{display:none}}
/* hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(120% 80% at 80% 10%,#fff3d2 0%,rgba(255,243,210,0) 60%),radial-gradient(90% 60% at 10% 100%,#f1e2c2 0%,rgba(241,226,194,0) 70%),var(--paper)}
.hero::before{content:"";position:absolute;inset:auto -20% -40% auto;width:70vmax;height:70vmax;border-radius:50%;border:1px solid rgba(201,154,62,.25);pointer-events:none}
.hero-in{display:grid;gap:1.4rem;padding:1.6rem 0 3rem;align-items:center}
.hero-copy{display:flex;flex-direction:column}
.hero-copy .lede{order:5;margin-top:1.6rem;margin-bottom:0}
.hero-copy .cta-row{order:4;margin-top:.4rem}
.hero h1{font-size:clamp(2.9rem,12vw,6.2rem);font-weight:600;line-height:.95;margin-bottom:.35em}
.hero h1 em{font-style:italic;font-weight:500;color:var(--gold-d)}
.subtitle{font:500 italic clamp(1.15rem,4.2vw,1.55rem)/1.35 var(--serif);color:var(--ink2);margin-bottom:1.2rem;max-width:34ch}
.lede{font-size:1.12rem;color:var(--ink2);max-width:52ch}
.cta-row{margin-top:1.6rem}
.cta-note{font-size:.92rem;color:var(--muted);margin:.8rem 0 0}
.hero-book{display:flex;justify-content:center;order:-1}
.book3d{position:relative;width:min(46vw,188px);perspective:1400px}
.book3d img{border-radius:3px 8px 8px 3px;transform:rotateY(-14deg) rotateX(2deg);transform-origin:left center;box-shadow:inset 6px 0 10px -6px rgba(0,0,0,.35),18px 26px 40px -14px rgba(60,38,10,.55),3px 3px 0 #e9dcc2,6px 6px 0 #dccdae}
.book3d::before{content:"";position:absolute;inset:-14% -20%;background:radial-gradient(closest-side,rgba(255,215,130,.55),rgba(255,215,130,0));z-index:-1}
@media (min-width:960px){
.hero-in{grid-template-columns:1.15fr .85fr;padding:5rem 0 6rem;gap:3rem}
.hero-book{order:0}
.hero-copy{display:block}
.hero-copy .lede{margin:0}
.hero-copy .cta-row{margin-top:1.6rem}
.book3d{width:380px}
}
/* problem */
.problem{padding:4.5rem 0;background:var(--paper)}
.problem p{font-size:1.12rem;color:var(--ink2)}
.quote{margin:2.4rem 0 0;padding:1.8rem 1.6rem;border-left:3px solid var(--gold);background:linear-gradient(90deg,#f6ecd6,rgba(246,236,214,0));border-radius:0 var(--r) var(--r) 0}
.quote blockquote{margin:0}
.quote blockquote p{font:500 italic clamp(1.45rem,4.8vw,1.9rem)/1.3 var(--serif);color:var(--ink);margin:0 0 .7rem}
.quote figcaption{font-size:.92rem;color:var(--muted)}
.quote cite{font-style:italic}
.quote-sm blockquote p{font-size:clamp(1.3rem,4vw,1.6rem)}
/* gains */
.gains{padding:4.5rem 0;background:var(--paper2);border-block:1px solid var(--line)}
.cards{list-style:none;padding:0;margin:2.4rem 0 0;display:grid;gap:1.1rem}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem 1.5rem 1.4rem;position:relative;box-shadow:0 10px 30px -22px rgba(80,55,20,.45)}
.card-n{display:block;font:600 1.05rem/1 var(--serif);color:var(--gold-d);letter-spacing:.12em;margin-bottom:.8rem}
.card h3{margin-bottom:.4rem}
.card p{margin:0;color:var(--ink2)}
@media (min-width:700px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1020px){.cards{grid-template-columns:repeat(3,1fr)}}
/* band */
.band{position:relative;isolation:isolate;overflow:hidden;background:var(--night);color:#f4ead6;padding:4.2rem 0}
.band-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 45%;z-index:-2}
.band::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(26,18,12,.9) 0%,rgba(26,18,12,.78) 55%,rgba(26,18,12,.55) 100%)}
@media (max-width:899px){.band::before{background:linear-gradient(180deg,rgba(26,18,12,.84),rgba(26,18,12,.74))}.band-bg{object-position:70% 50%}}
.band h2{color:#fbf3e2;font-size:clamp(1.9rem,6vw,2.7rem)}
.band p{color:#e4d6bd;font-size:1.1rem;margin-bottom:1.6rem}
.band-in{display:grid;gap:.4rem;align-items:center}
@media (min-width:900px){.band-in{grid-template-columns:1fr auto;gap:3rem}.band p{margin:0}}
/* inside */
.inside{padding:4.8rem 0;background:var(--paper)}
.inside-in{display:grid;gap:2.4rem}
.inside-head p{color:var(--ink2);font-size:1.1rem}
.toc{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.toc li{display:grid;grid-template-columns:7.2rem 1fr;gap:1rem;align-items:baseline;padding:1rem .2rem;border-bottom:1px solid var(--line)}
.toc-n{font:700 .78rem/1.2 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--gold-d)}
.toc-t{font:600 1.32rem/1.25 var(--serif);color:var(--ink)}
@media (max-width:420px){.toc li{grid-template-columns:1fr;gap:.2rem}}
@media (min-width:960px){.inside-in{grid-template-columns:.85fr 1.15fr;gap:4rem}.inside-head{position:sticky;top:96px;align-self:start}}
/* who */
.who{padding:4.5rem 0;background:var(--paper2);border-block:1px solid var(--line)}
.ticks{list-style:none;padding:0;margin:2rem 0 0;display:grid;gap:.9rem}
.ticks li{position:relative;padding:1rem 1.1rem 1rem 3.2rem;background:var(--paper);border:1px solid var(--line);border-radius:14px;color:var(--ink2)}
.ticks li::before{content:"";position:absolute;left:1.1rem;top:1.25rem;width:1.15rem;height:1.15rem;border-radius:50%;border:2px solid var(--gold);background:radial-gradient(circle,var(--gold) 0 3px,transparent 4px)}
/* author */
.author{padding:4.8rem 0;background:linear-gradient(180deg,var(--paper) 0%,var(--paper2) 100%);overflow:hidden}
.author-in{display:grid;gap:2.6rem;align-items:center}
.author-figs{position:relative;width:min(320px,80%);margin:0 auto}
.author-figs figure{margin:0}
.author-main{position:relative;border-radius:200px 200px 22px 22px;overflow:hidden;background:#f6efe2;box-shadow:0 0 0 1px var(--line),0 0 0 8px var(--paper),0 0 0 9px var(--gold),0 24px 48px -22px rgba(60,40,10,.45)}
.author-main img{display:block;width:100%;height:auto}
.author-text h2{margin-top:.2rem}
.author p{color:var(--ink2);font-size:1.1rem}
.author .author-lead{font-size:1.18rem;color:var(--ink)}
.author .meta{font-size:.95rem;color:var(--muted);border-top:1px solid var(--line);padding-top:1rem;margin-top:1.4rem}
.author .credit{font-size:.82rem;color:var(--muted);margin-top:.4rem;letter-spacing:.02em}
@media (min-width:860px){.author{padding:6rem 0}.author-in{grid-template-columns:380px 1fr;gap:4.5rem;width:min(1060px,100% - 2.5rem)}.author-figs{width:100%;margin:0}}
/* faq */
.faq{padding:4.5rem 0;background:var(--paper2);border-top:1px solid var(--line)}
.faq-list{margin-top:2rem;display:grid;gap:.75rem}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:0 1.2rem}
.faq summary{cursor:pointer;list-style:none;padding:1.1rem 2rem 1.1rem 0;font:600 1.3rem/1.3 var(--serif);color:var(--ink);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font:400 1.6rem/1 var(--sans);color:var(--gold-d)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--ink2);margin:0 0 1.2rem}
/* final */
.final{background:radial-gradient(70% 120% at 20% 40%,#5a3f1c 0%,rgba(90,63,28,0) 65%),var(--night);color:#efe3cb;padding:4.5rem 0}
.final-in{display:grid;gap:2rem;align-items:center;justify-items:start}
.final img{width:min(46vw,210px);border-radius:3px 7px 7px 3px;box-shadow:16px 22px 40px -14px rgba(0,0,0,.7)}
.final h2{color:#fbf3e2}
.final p{color:#e4d6bd;font-size:1.12rem;margin-bottom:1.5rem}
.final .cta-note{color:#cdbb9c}
@media (min-width:800px){.final-in{grid-template-columns:auto 1fr;gap:3.5rem}.final img{width:240px}}
/* footer */
.foot{background:#1a130e;color:#cdbb9c;padding:2rem 0 6.5rem;font-size:.92rem}
.foot p{margin:.2rem 0}
.foot .small{font-size:.82rem;color:#b6a587}
@media (min-width:760px){.foot{padding-bottom:2rem}}
/* sticky mobile bar */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:50;padding:.6rem .8rem calc(.6rem + env(safe-area-inset-bottom));background:rgba(33,24,18,.96);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-top:1px solid rgba(201,154,62,.35);transform:translateY(110%);visibility:hidden;transition:transform .25s ease,visibility 0s linear .25s}
.sticky.show{transform:none;visibility:visible;transition:transform .25s ease}
.sticky-in{display:flex;align-items:center;gap:.7rem;max-width:560px;margin:0 auto}
.sticky img{width:34px;height:48px;border-radius:2px;flex:none}
.sticky-t{flex:1;min-width:0;color:#fbf3e2;font:600 1.1rem/1.15 var(--serif);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sticky-t small{display:block;font:400 .78rem/1.3 var(--sans);color:#cdbb9c}
.sticky .btn{flex:none}
@media (min-width:760px){.sticky{display:none}}
.band :focus-visible,.final :focus-visible,.sticky :focus-visible,.foot :focus-visible{outline-color:#f1d48c}
/* Amazon rating (real, read live from amazon.com) */
.rating{display:flex;align-items:center;gap:.45rem;width:fit-content;margin-top:.85rem;padding:.35rem .2rem;color:var(--ink);text-decoration:none;font:600 1rem/1.2 var(--sans);border-radius:8px}
.rating .stars{color:#d9a21b;letter-spacing:.08em;font-size:1.12rem;line-height:1}
.rating .rating-num{font-weight:700}
.rating .rating-txt{color:var(--ink2);font-weight:500;text-decoration:underline;text-decoration-color:rgba(138,95,20,.35);text-underline-offset:3px}
.rating:hover .rating-txt{text-decoration-color:currentColor}
.rating:focus-visible{outline:3px solid var(--gold-d);outline-offset:3px}
.final .rating{color:#fff7e6}.final .rating .rating-txt{color:#e8d8bb;text-decoration-color:rgba(241,212,140,.45)}.final .rating .stars{color:var(--gold-l)}
.final .rating:focus-visible{outline-color:var(--gold-l)}
.readers{padding:4rem 0;background:var(--paper);border-top:1px solid var(--line)}
.readers .eyebrow{margin-bottom:.4rem}
.readers .rating{margin-top:0;font-size:1.08rem}
.quotes{display:grid;gap:1.1rem;margin-top:1.6rem}
.rq{margin:0;background:#fffdf7;border:1px solid var(--line);border-radius:var(--r);padding:1.4rem 1.4rem 1.2rem}
.rq blockquote{margin:0}
.rq p{font:500 1.32rem/1.4 var(--serif);color:var(--ink);margin:0}
.rq figcaption{margin-top:.8rem;font-size:.9rem;color:var(--muted)}
@media (min-width:860px){.quotes{grid-template-columns:1fr 1fr;gap:1.4rem}.rq p{font-size:1.45rem}}
/* v3 imagery */
.problem-in{display:grid;gap:2.4rem;width:min(1100px,100% - 2.5rem)}
.problem-fig{margin:0;border-radius:var(--r);overflow:hidden;box-shadow:0 0 0 1px var(--line),0 22px 44px -26px rgba(60,40,10,.45);aspect-ratio:3/2;background:var(--paper2)}
.problem-fig img{display:block;width:100%;height:100%;object-fit:cover}
@media (min-width:960px){.problem-in{grid-template-columns:400px 1fr;gap:4rem;align-items:start}.problem-fig{position:sticky;top:110px;aspect-ratio:4/5}.problem-fig img{object-position:30% 50%}}
.divider{position:relative;height:clamp(150px,28vw,340px);overflow:hidden;background:var(--paper2)}
.divider img{display:block;width:100%;height:100%;object-fit:cover}
.divider::before,.divider::after{content:"";position:absolute;left:0;right:0;height:38%;pointer-events:none;z-index:1}
.divider::before{top:0;background:linear-gradient(180deg,var(--paper),rgba(251,246,236,0))}
.divider::after{bottom:0;background:linear-gradient(0deg,var(--paper),rgba(251,246,236,0))}
.divider-stream::before{background:linear-gradient(180deg,var(--paper2),rgba(244,234,214,0))}
.inside-fig{margin:2rem 0 0;border-radius:var(--r);overflow:hidden;aspect-ratio:3/2;box-shadow:0 0 0 1px var(--line),0 20px 40px -26px rgba(60,40,10,.45);background:var(--paper2)}
.inside-fig img{display:block;width:100%;height:100%;object-fit:cover}
.lightband{position:relative;isolation:isolate;overflow:hidden;background:var(--night);color:#fbf3e2;min-height:clamp(340px,56vw,560px);display:grid;align-items:center;text-align:center;padding:4rem 0}
.lightband-poster,.lightband-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.lightband-video{opacity:0;transition:opacity .8s ease}
.lightband-video.is-playing{opacity:1}
.lightband::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(70% 80% at 50% 50%,rgba(20,14,8,.64) 0%,rgba(20,14,8,.56) 60%,rgba(20,14,8,.66) 100%)}
.lightband-in{display:grid;justify-items:center;gap:1.6rem}
.lightband h2{color:#fff8ea;font-size:clamp(1.9rem,6vw,3.2rem);max-width:18ch;margin:0;text-shadow:0 2px 18px rgba(0,0,0,.45)}
.lightband :focus-visible{outline-color:#f1d48c}
@media (prefers-reduced-motion:reduce){.lightband-video{display:none}}
.shiur{padding:4.2rem 0;background:var(--paper);border-top:1px solid var(--line)}
.shiur-in{display:grid;gap:1.4rem;justify-items:center;text-align:center}
.shiur-fig{margin:0;width:min(360px,78%);border-radius:var(--r);overflow:hidden;box-shadow:0 0 0 1px var(--line),0 0 0 7px var(--paper),0 0 0 8px var(--gold),0 22px 44px -24px rgba(60,40,10,.45)}
.shiur-fig img{display:block;width:100%;height:auto}
.shiur-line{font-family:var(--serif);font-style:italic;font-size:clamp(1.45rem,4.6vw,2rem);color:var(--ink);margin:0;line-height:1.25}
.shiur .credit{font-size:.82rem;color:var(--muted);margin:.5rem 0 0;letter-spacing:.02em}
@media (min-width:860px){.shiur{padding:5rem 0}.shiur-in{grid-template-columns:340px 1fr;gap:4rem;text-align:left;justify-items:start;align-items:center;width:min(940px,100% - 2.5rem)}.shiur-fig{width:100%}.shiur-cap{border-left:2px solid var(--gold);padding-left:2rem}}
.divider:not(.divider-stream)::after{background:linear-gradient(0deg,var(--paper2),rgba(244,234,214,0))}
.gains{border-top:0}
.who{border-bottom:0}