:root{
  --ink:#141210; --ink-2:#2a2622; --soft:#6b6259; --cream:#f6efe6; --paper:#fbf7f2; --peach:#f2c9a8; --blush:#d9826b; --line:#e4d9cc;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif; --serif:"Lora",Georgia,serif;
  --fs-sm:clamp(.86rem,.82rem + .2vw,.95rem); --fs-base:clamp(1rem,.95rem + .25vw,1.125rem);
  --fs-lg:clamp(1.15rem,1rem + .6vw,1.5rem); --fs-xl:clamp(1.9rem,1.4rem + 2.2vw,3.2rem);
  --fs-2xl:clamp(2.6rem,1.6rem + 4.6vw,6.2rem);
  --pad:clamp(16px,4vw,64px); --max:1320px; --r:14px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);font-size:var(--fs-base);line-height:1.6;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:2px solid var(--blush);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.serif{font-family:var(--serif);font-style:italic;font-weight:400}
.kicker{font-size:.74rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--blush)}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;z-index:99;background:var(--ink);color:#fff;padding:8px 12px}

/* nav */
.nav{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 86%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .3s}
.nav.scrolled{border-color:var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-weight:800;font-size:1.5rem;letter-spacing:-.04em;text-decoration:none;display:flex;align-items:center;gap:.5rem}
.logo i{width:9px;height:9px;border-radius:50%;background:var(--blush);display:inline-block}
.nav-links{display:flex;gap:2rem;align-items:center;font-size:var(--fs-sm)}
.nav-links a{text-decoration:none;color:var(--soft);transition:color .2s}
.nav-links a:hover{color:var(--ink)}

/* buttons */
.btn{appearance:none;border:0;cursor:pointer;font:inherit;font-weight:700;font-size:var(--fs-sm);letter-spacing:.01em;display:inline-flex;align-items:center;justify-content:center;gap:.6rem;min-height:52px;padding:0 1.6rem;border-radius:10px;background:var(--ink);color:var(--paper);text-decoration:none;transition:transform .25s var(--ease),background .25s}
.btn:hover{transform:translateY(-2px);background:var(--ink-2)}
.btn:active{transform:scale(.97)}
.btn[aria-busy="true"]{opacity:.7;pointer-events:none}
.btn.small{min-height:42px;padding:0 1.1rem}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.btn .arrow{transition:transform .25s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}

/* hero */
.hero{padding:clamp(28px,5vw,72px) 0 0}
.hero h1{font-size:var(--fs-2xl);line-height:.95;letter-spacing:-.045em;font-weight:800;max-width:14ch}
.hero h1 .serif{letter-spacing:-.02em}
.hero-top{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(24px,4vw,72px);align-items:end}
.hero p.lead{font-size:var(--fs-lg);color:var(--soft);max-width:34ch;line-height:1.45}
.hero-cta{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;margin-top:1.6rem}
.price{display:flex;align-items:baseline;gap:.6rem}
.price b{font-size:clamp(1.8rem,1.4rem + 1.4vw,2.6rem);letter-spacing:-.03em}
.price s{color:var(--soft);font-size:var(--fs-base)}
.price em{font-style:normal;font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--blush)}
.hero-media{margin-top:clamp(28px,4vw,56px);border-radius:var(--r);overflow:hidden;aspect-ratio:16/8;background:var(--cream)}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:50% 60%;transform-origin:50% 60%}

/* marquee */
.tools{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:clamp(40px,6vw,88px);overflow:hidden;white-space:nowrap}
.tools-track{display:inline-flex;gap:3.5rem;padding:1.1rem 0;animation:marq 32s linear infinite}
.tools-track span{font-weight:700;font-size:var(--fs-lg);letter-spacing:-.02em;color:var(--soft)}
.tools-track span::after{content:"✦";margin-left:3.5rem;color:var(--peach)}
@keyframes marq{to{transform:translateX(-50%)}}

/* sections */
section.block{padding:clamp(64px,9vw,140px) 0}
.sec-head{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(20px,4vw,64px);margin-bottom:clamp(32px,5vw,72px)}
.sec-head h2{font-size:var(--fs-xl);line-height:1.02;letter-spacing:-.035em;font-weight:800}
.sec-head p{color:var(--soft);font-size:var(--fs-lg);line-height:1.5;align-self:end;max-width:40ch}

/* pillars */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}
.pillar{padding:2rem 2rem 2.2rem 0;border-right:1px solid var(--line)}
.pillar+.pillar{padding-left:2rem}
.pillar:last-child{border-right:0}
.pillar .n{font-weight:800;font-size:clamp(3rem,2rem + 3vw,5rem);letter-spacing:-.05em;color:var(--peach);line-height:1}
.pillar h3{font-size:var(--fs-lg);margin:1rem 0 .5rem;letter-spacing:-.02em}
.pillar p{color:var(--soft);font-size:var(--fs-sm)}

/* chapters */
.dark{background:var(--ink);color:var(--paper)}
.dark .sec-head p{color:#b9ada0}
.chapters{list-style:none;border-top:1px solid #3a342e}
.chapters li{display:grid;grid-template-columns:80px 1fr auto;gap:1.5rem;align-items:baseline;padding:1.4rem 0;border-bottom:1px solid #3a342e;transition:padding .35s var(--ease)}
.chapters li:hover{padding-left:.75rem}
.chapters .c{color:var(--blush);font-weight:700;font-size:var(--fs-sm)}
.chapters h3{font-size:var(--fs-lg);letter-spacing:-.02em;font-weight:700}
.chapters p{color:#b9ada0;font-size:var(--fs-sm);margin-top:.25rem;max-width:60ch}
.chapters .pg{color:#8d8378;font-size:var(--fs-sm);font-variant-numeric:tabular-nums}

/* product */
.product{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,96px);align-items:center}
.book{position:relative;aspect-ratio:4/5;border-radius:6px 14px 14px 6px;overflow:hidden;background:var(--cream);box-shadow:0 30px 60px -30px rgba(20,18,16,.45);transform:perspective(1400px) rotateY(-8deg);transition:transform .6s var(--ease)}
.book:hover{transform:perspective(1400px) rotateY(0)}
.book img{width:100%;height:100%;object-fit:cover}
.book::before{content:"";position:absolute;inset:0 auto 0 0;width:10px;background:linear-gradient(90deg,rgba(0,0,0,.18),transparent);z-index:2}
.book-title{position:absolute;left:0;right:0;bottom:0;padding:1.5rem 1.6rem;background:linear-gradient(transparent,rgba(246,239,230,.96) 38%);z-index:1}
.book-title small{font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:var(--blush)}
.book-title strong{display:block;font-size:clamp(1.6rem,1.2rem + 1.4vw,2.4rem);line-height:1;letter-spacing:-.04em;margin-top:.3rem}
.inside{list-style:none;margin:1.6rem 0 2rem;border-top:1px solid var(--line)}
.inside li{display:flex;gap:1rem;padding:.95rem 0;border-bottom:1px solid var(--line);font-size:var(--fs-base)}
.inside li::before{content:"";flex:none;width:7px;height:7px;border-radius:50%;background:var(--blush);margin-top:.62em}
.buybox{display:flex;flex-wrap:wrap;gap:1rem 1.4rem;align-items:center}
.pay-note{font-size:.8rem;color:var(--soft);margin-top:1rem}

/* prompt preview */
.preview{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.pcard{background:var(--cream);border-radius:var(--r);padding:1.5rem;position:relative;overflow:hidden;min-height:260px;display:flex;flex-direction:column}
.pcard .tag{font-size:.68rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--blush)}
.pcard h3{font-size:1.05rem;margin:.5rem 0 .8rem;letter-spacing:-.01em}
.pcard pre{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:.78rem;line-height:1.6;white-space:pre-wrap;color:var(--ink-2)}
.pcard.locked pre{filter:blur(5px);user-select:none}
.pcard.locked::after{content:"Unlocks after purchase";position:absolute;left:1.5rem;bottom:1.4rem;font-size:.74rem;font-weight:700;letter-spacing:.06em;background:var(--ink);color:var(--paper);padding:.45rem .8rem;border-radius:6px}

/* creator */
.creator{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,96px);align-items:center}
.creator blockquote{font-family:var(--serif);font-style:italic;font-size:clamp(1.4rem,1.1rem + 1.3vw,2.3rem);line-height:1.3;letter-spacing:-.01em}
.socials{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.8rem}
.socials a{font-size:var(--fs-sm);font-weight:600;text-decoration:none;border-bottom:1px solid var(--ink);padding:.3rem 0;margin-right:1rem}
.stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}
.stats div{padding:1.4rem 0}
.stats b{display:block;white-space:nowrap;font-size:clamp(2rem,1.5rem + 2vw,3.4rem);letter-spacing:-.05em;line-height:1}
.stats b span{font-size:inherit;color:inherit}
.stats > div > span{display:block;margin-top:.4rem;font-size:var(--fs-sm);color:var(--soft)}

/* faq */
.faq{border-top:1px solid var(--ink);max-width:880px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:1.3rem 2.5rem 1.3rem 0;font-weight:700;font-size:var(--fs-base);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.2rem;top:1.05rem;font-size:1.5rem;font-weight:400;transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 1.4rem;color:var(--soft);max-width:65ch}

/* final cta */
.final{text-align:center;padding:clamp(80px,11vw,170px) 0}
.final h2{font-size:var(--fs-2xl);line-height:.95;letter-spacing:-.045em;font-weight:800;max-width:12ch;margin:0 auto 2rem}
.final .price{justify-content:center;margin-bottom:1.6rem}
footer{border-top:1px solid var(--line);padding:2rem 0 calc(2rem + 76px);font-size:.8rem;color:var(--soft)}
footer .wrap{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}

/* sticky mobile bar */
.sticky-buy{position:fixed;left:12px;right:12px;bottom:12px;z-index:50;display:none;align-items:center;justify-content:space-between;gap:1rem;background:var(--ink);color:var(--paper);border-radius:14px;padding:.6rem .6rem .6rem 1.1rem;transform:translateY(140%);transition:transform .45s var(--ease)}
.sticky-buy.show{transform:none}
.sticky-buy .price b{font-size:1.35rem}.sticky-buy .price s{color:#a99d90;font-size:.85rem}
.sticky-buy .btn{background:var(--peach);color:var(--ink);min-height:46px}

/* toast */
.toast{position:fixed;left:50%;top:84px;transform:translate(-50%,-20px);opacity:0;background:var(--ink);color:var(--paper);padding:.8rem 1.1rem;border-radius:10px;font-size:var(--fs-sm);z-index:60;transition:all .35s var(--ease);max-width:calc(100% - 32px)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* reveal */
.js .rv{opacity:0;transform:translateY(24px)}

/* success page */
.access{padding:clamp(40px,7vw,110px) 0}
.access h1{font-size:var(--fs-xl);letter-spacing:-.04em;line-height:1.02;font-weight:800;max-width:16ch}
.state{margin-top:1.4rem;color:var(--soft);font-size:var(--fs-lg);max-width:46ch}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:2.4rem 0}
.dl{background:var(--cream);border-radius:var(--r);padding:1.4rem;display:flex;flex-direction:column;gap:.4rem;text-decoration:none;transition:transform .3s var(--ease)}
.dl:hover{transform:translateY(-3px)}
.dl small{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:var(--blush)}
.dl strong{font-size:1.15rem;letter-spacing:-.02em}
.dl span{font-size:.85rem;color:var(--soft)}
.vault-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.vitem{border:1px solid var(--line);border-radius:var(--r);padding:1.2rem 1.3rem;background:#fff}
.vitem header{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:.6rem}
.vitem h3{font-size:.95rem;letter-spacing:-.01em}
.vitem pre{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:.78rem;line-height:1.6;white-space:pre-wrap;color:var(--ink-2)}
.copy{font:inherit;font-size:.74rem;font-weight:700;border:1px solid var(--ink);background:none;border-radius:6px;padding:.35rem .7rem;cursor:pointer;min-height:32px}
.copy.done{background:var(--ink);color:#fff}
.savebox{border-top:1px solid var(--ink);padding-top:1.2rem;margin:1rem 0 3rem;font-size:var(--fs-sm);color:var(--soft)}
.savebox input{width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;font:inherit;font-size:.8rem;padding:.6rem 0;color:var(--ink)}
.spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--line);border-top-color:var(--ink);border-radius:50%;animation:spin .8s linear infinite;vertical-align:-3px;margin-right:.6rem}
@keyframes spin{to{transform:rotate(360deg)}}

@media (min-width:1600px){
  :root{--max:82vw}
  body{font-size:1.15vw}
}
@media (max-width:900px){
  .nav-links a:not(.btn){display:none}
  .hero-top,.sec-head,.product,.creator{grid-template-columns:1fr}
  .hero-media{aspect-ratio:4/3}
  .pillars{grid-template-columns:1fr}
  .pillar,.pillar+.pillar{padding:1.6rem 0;border-right:0;border-bottom:1px solid var(--line)}
  .preview,.dl-grid,.vault-list{grid-template-columns:1fr}
  .chapters li{grid-template-columns:44px 1fr}
  .chapters .pg{display:none}
  .book{transform:none;max-width:420px}
  .sticky-buy{display:flex}
  .stats{grid-template-columns:1fr 1fr 1fr;gap:12px}
  .stats b{font-size:1.9rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .js .rv{opacity:1;transform:none}
}