:root{
  --paper:#F6F2EB; --paper2:#EDE7DC; --card:#FFFDF9;
  --ink:#1D1B18; --ink2:#5E584F; --ink3:#8B847A;
  --forest:#26302A; --forest2:#334036; --moss:#5C6B55;
  --amber:#B06A2C; --amber2:#94561F; --sand:#D9CDB8;
  --line:rgba(29,27,24,.12);
  --serif:'Fraunces',Georgia,'Times New Roman',serif;
  --sans:'Public Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 18px/1.65 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.narrow{max-width:720px}
h1,h2,h3{font-family:var(--serif);font-weight:600;font-variation-settings:'opsz' 96;letter-spacing:-.005em;line-height:1.08;margin:0;color:var(--ink);text-wrap:balance}
h1{font-size:clamp(44px,6.2vw,76px)}
h2{font-size:clamp(34px,4.4vw,52px)}
h3{font-size:24px;letter-spacing:-.01em;line-height:1.2}
h1 em,h2 em{font-style:italic;font-weight:500;color:var(--amber)}
p{margin:0 0 18px}
.eyebrow{font:600 13px/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--moss);margin-bottom:18px;display:block}
.center{text-align:center}
.lead{font-size:21px;line-height:1.6;color:var(--ink2)}

/* top bar */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(246,242,235,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:600 19px/1 var(--serif);letter-spacing:-.01em}
.brand i{width:28px;height:28px;border-radius:50%;background:var(--forest);display:grid;place-items:center;color:var(--sand);font:600 13px/1 var(--sans);font-style:normal}
.top .note{flex:1;text-align:center;font-size:14px;color:var(--ink3)}
.top .mini{background:var(--forest);color:#F3EEE4;text-decoration:none;font:600 14px/1 var(--sans);padding:11px 18px;border-radius:999px}
.top .mini:hover{background:var(--forest2)}
@media(max-width:760px){.top .note{display:none}.top .wrap{justify-content:space-between}}

/* buttons */
.btn{display:inline-flex;flex-direction:column;align-items:center;gap:5px;background:var(--amber);color:#fff;text-decoration:none;font:700 18px/1.15 var(--sans);padding:18px 32px;border-radius:10px;text-align:center;transition:background .15s,transform .15s;box-shadow:0 8px 20px -8px rgba(176,106,44,.6)}
.btn:hover{background:var(--amber2);transform:translateY(-1px)}
.btn small{font:500 13px/1.2 var(--sans);opacity:.88}
.btn.wide{display:flex;width:100%}
.btn.dark{background:var(--forest);box-shadow:0 8px 20px -8px rgba(38,48,42,.6)}
.btn.dark:hover{background:var(--forest2)}
.textlink{font-weight:600;color:var(--ink2);text-decoration:none;border-bottom:1px solid var(--sand);padding-bottom:2px}

/* hero */
.hero{padding:64px 0 80px}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero .lead{margin:24px 0 32px;max-width:540px}
.hero .actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px}
.hero .fine{margin-top:18px;font-size:14px;color:var(--ink3)}
.photo{position:relative}
.photo img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:50% 30%;border-radius:18px;box-shadow:0 30px 60px -28px rgba(29,27,24,.45)}
.photo .cap{position:absolute;left:18px;bottom:18px;background:rgba(29,27,24,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);color:#F3EEE4;font-size:14px;padding:9px 14px;border-radius:999px}
.photo .book{position:absolute;right:-26px;bottom:-34px;width:42%}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:56px}.photo{max-width:520px;margin:0 auto 20px}.photo .book{right:-8px;width:38%}}

/* book cover (pure CSS) */
.book{aspect-ratio:2/3;background:linear-gradient(105deg,#1F2822 0,#2C382F 7%,#26302A 9%,#2B362E 100%);border-radius:3px 9px 9px 3px;padding:12% 11% 10%;color:#EDE6D6;display:flex;flex-direction:column;box-shadow:0 26px 40px -18px rgba(0,0,0,.55),0 2px 0 rgba(255,255,255,.05) inset}
.book .ed{font:600 clamp(7px,.75vw,10px)/1 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--sand);opacity:.85}
.book .rule{height:1px;background:rgba(217,205,184,.35);margin:10% 0}
.book .t{font:600 clamp(15px,1.85vw,26px)/1.05 var(--serif);letter-spacing:-.01em}
.book .t em{display:block;font-style:italic;font-weight:500;color:#D9A06B}
.book .s{font:400 clamp(8px,.85vw,12px)/1.35 var(--serif);font-style:italic;color:#CFC6B4;margin-top:auto}
.book .by{font:600 clamp(7px,.75vw,10px)/1 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--sand);margin-top:10%}

/* sections */
section{padding:96px 0}
.tint{background:var(--paper2)}
.dark{background:var(--forest);color:#DCD5C6}
.dark h2,.dark h3{color:#F5F0E6}
.dark .eyebrow{color:#A9B5A2}
hr.soft{border:0;border-top:1px solid var(--line);margin:0}

/* problem */
.problem .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:start}
.problem p{color:var(--ink2)}
.quote{font:500 italic 26px/1.35 var(--serif);color:var(--ink);border-left:3px solid var(--amber);padding-left:22px;margin:30px 0 0}
.stats{display:grid;gap:14px}
.stat{display:grid;grid-template-columns:175px 1fr;gap:20px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 24px}
.stat b{font:600 32px/1.05 var(--serif);letter-spacing:-.01em;color:var(--forest)}
.stat span{font-size:16px;line-height:1.5;color:var(--ink2)}
@media(max-width:900px){.problem .wrap{grid-template-columns:1fr;gap:40px}.stat{grid-template-columns:1fr;gap:8px}}

/* levels */
.levels{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;counter-reset:lv}
.level{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:30px 28px 28px;position:relative}
.level .n{display:inline-block;font:600 12px/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--moss);background:#E7EBE3;padding:7px 10px;border-radius:999px;margin-bottom:18px}
.level.l3 .n{color:var(--amber2);background:#F3E6D8}
.level h3{margin-bottom:10px}
.level p{font-size:16px;line-height:1.6;color:var(--ink2);margin:0}
@media(max-width:900px){.levels{grid-template-columns:1fr}}

/* inside */
.inside{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;margin-top:48px;padding:0;list-style:none;counter-reset:ch}
.inside li{display:grid;grid-template-columns:44px 1fr;gap:6px;padding:22px 0;border-top:1px solid var(--line);counter-increment:ch}
.inside li:before{content:counter(ch,decimal-leading-zero);font:600 15px/1.6 var(--serif);color:var(--amber)}
.inside b{display:block;font:600 19px/1.3 var(--serif);color:var(--ink);margin-bottom:4px}
.inside span{font-size:16px;line-height:1.55;color:var(--ink2)}
@media(max-width:800px){.inside{grid-template-columns:1fr}}

/* offer */
.offer{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:center;max-width:980px;margin:48px auto 0;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:48px;box-shadow:0 40px 80px -48px rgba(29,27,24,.35)}
.offer .book{max-width:260px;margin:0 auto;width:100%}
.offer h3{font-size:30px;margin-bottom:6px}
.offer .sub{color:var(--ink3);font-size:15px;margin-bottom:20px}
.offer ul{list-style:none;padding:0;margin:0 0 26px}
.offer li{position:relative;padding:10px 0 10px 32px;border-top:1px solid var(--line);font-size:17px}
.offer li:first-child{border-top:0}
.offer li:before{content:"";position:absolute;left:2px;top:17px;width:16px;height:9px;border-left:2px solid var(--moss);border-bottom:2px solid var(--moss);transform:rotate(-45deg)}
.offer li em{display:block;font-style:normal;color:var(--ink3);font-size:15px}
.price{display:flex;align-items:baseline;gap:14px;margin-bottom:18px}
.price b{font:600 58px/1 var(--serif);letter-spacing:-.03em}
.price span{font-size:15px;line-height:1.4;color:var(--ink3)}
.offer .fine{font-size:14px;color:var(--ink3);text-align:center;margin:14px 0 0}
@media(max-width:860px){.offer{grid-template-columns:1fr;padding:32px 24px;gap:34px}.offer .book{max-width:200px}}

/* guarantee */
.guar{display:grid;grid-template-columns:auto 1fr;gap:44px;align-items:center;max-width:860px;margin:0 auto}
.seal{width:148px;height:148px;border-radius:50%;border:1px solid rgba(217,205,184,.5);display:grid;place-items:center;text-align:center;box-shadow:0 0 0 8px rgba(217,205,184,.08)}
.seal b{display:block;font:600 54px/1 var(--serif);color:#F5F0E6}
.seal span{font:600 11px/1.3 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--sand)}
.guar p{color:#CFC8B8;margin-top:14px}
@media(max-width:640px){.guar{grid-template-columns:1fr;justify-items:center;text-align:center}}

/* author */
.author{display:grid;grid-template-columns:.85fr 1.15fr;gap:72px;align-items:center}
.author img{width:100%;aspect-ratio:3/4;object-fit:cover;object-position:50% 20%;border-radius:18px;max-width:440px}
.author p{color:var(--ink2)}
.sign{font:italic 500 30px/1 var(--serif);color:var(--amber);margin-top:8px}
@media(max-width:860px){.author{grid-template-columns:1fr;gap:36px}.author img{max-width:460px}}

/* faq */
.faq{max-width:780px;margin:44px auto 0}
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font:600 20px/1.35 var(--serif);padding:22px 0}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font:300 28px/1 var(--sans);color:var(--amber);transition:transform .2s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq p{color:var(--ink2);font-size:17px;padding-bottom:12px}

/* final */
.final{text-align:center}
.final h2{margin-bottom:20px}
.final p{max-width:600px;margin:0 auto 32px;color:var(--ink2);font-size:20px}
footer{border-top:1px solid var(--line);color:var(--ink3);font-size:14px;padding:34px 0;text-align:center;line-height:1.7}