:root{
  --ink:#0f2e35;--ink-2:#40585c;--muted:#5d6f72;
  --green:#14806a;--green-d:#0e6654;--green-soft:#e3f1ec;
  --cream:#f6f4ec;--paper:#fdfcf8;--line:#e0e5de;--sun:#f2c66d;
  --serif:'Fraunces',Georgia,serif;--sans:'Inter',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  --r:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,p{margin-top:0}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green);margin-bottom:14px}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.02em;line-height:1.12}
h1{font-size:clamp(40px,5.6vw,68px);margin-bottom:22px}
h2{font-size:clamp(30px,3.8vw,44px);margin-bottom:18px}
h3{font-size:22px;margin-bottom:10px}
em{font-style:italic;color:var(--green)}
.lead{font-size:clamp(18px,2vw,20px);color:var(--ink-2);max-width:560px}
section{padding:88px 0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--green);color:#fff;border:0;border-radius:12px;padding:17px 28px;font:600 17px var(--sans);text-decoration:none;cursor:pointer;transition:background .2s,transform .2s;box-shadow:0 10px 24px rgba(20,128,106,.22)}
.btn:hover{background:var(--green-d);transform:translateY(-2px)}
.btn.sm{padding:11px 18px;font-size:15px;box-shadow:none}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);box-shadow:none}
.btn.ghost:hover{background:var(--ink);color:#fff}
:focus-visible{outline:3px solid var(--sun);outline-offset:3px}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(253,252,248,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font:700 19px var(--serif);letter-spacing:-.01em}
.logo i{display:grid;place-items:center;width:32px;height:32px;background:var(--green);color:#fff;border-radius:9px 2px 9px 2px;font-style:normal;font:600 18px var(--sans)}
.top nav{display:flex;gap:28px;align-items:center;font-size:15px;font-weight:500}
.top nav a:not(.btn){text-decoration:none;color:var(--ink-2)}
.top nav a:not(.btn):hover{color:var(--green)}

/* hero */
.hero{padding:56px 0 80px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero .cta-row{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin:30px 0 22px}
.ticks{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:15px;color:var(--muted);list-style:none;padding:0;margin:0}
.ticks li:before{content:"✓";color:var(--green);font-weight:700;margin-right:7px}
.photo{position:relative;border-radius:28px;overflow:hidden;aspect-ratio:4/5;box-shadow:0 30px 60px -20px rgba(15,46,53,.3)}
.photo img{width:100%;height:100%;object-fit:cover}
.photo figcaption{position:absolute;left:16px;bottom:16px;background:rgba(15,46,53,.78);color:#fff;font-size:14px;padding:9px 15px;border-radius:30px;backdrop-filter:blur(6px)}

/* problem */
.problem{background:var(--ink);color:#fff}
.problem h2{color:#fff}.problem em{color:#7fd3bb}
.problem .eyebrow{color:#7fd3bb}
.problem .wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.problem p{color:#c3d3d5}
.quotes{display:grid;gap:14px}
.quotes blockquote{margin:0;padding:18px 22px;border-left:3px solid #7fd3bb;background:rgba(255,255,255,.06);border-radius:0 14px 14px 0;font:italic 500 20px var(--serif);color:#fff}

/* method */
.head{max-width:640px;margin-bottom:44px}
.head p{color:var(--ink-2)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step{border:1px solid var(--line);background:#fff;border-radius:var(--r);padding:30px}
.step b{display:block;font:600 44px var(--serif);color:var(--green);line-height:1;margin-bottom:18px}
.step p{color:var(--ink-2);margin:0;font-size:16px}

/* inside */
.inside{background:var(--cream)}
.inside .wrap{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.stack{display:grid;gap:34px}
.book-wrap{display:grid;place-items:center;padding:20px}
.book{position:relative;width:min(300px,78vw);aspect-ratio:3/4.2;background:linear-gradient(145deg,#14806a,#0b4f42);border-radius:6px 14px 14px 6px;padding:30px 26px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;box-shadow:-10px 0 0 -2px #0a3f35,0 30px 50px -15px rgba(15,46,53,.5);transform:rotate(-3deg)}
.book small{font-size:11px;letter-spacing:.16em;font-weight:700;opacity:.85}
.book strong{font:600 34px/1.08 var(--serif);letter-spacing:-.02em}
.book strong em{color:var(--sun)}
.book span{font-size:12px;opacity:.8}
.checks{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px}
.checks li{padding-left:34px;position:relative}
.checks li:before{content:"✓";position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;background:var(--green);color:#fff;font-size:13px;display:grid;place-items:center;font-weight:700}
.tag{display:inline-block;background:var(--sun);color:#4a3600;font-size:12px;font-weight:700;letter-spacing:.06em;padding:4px 11px;border-radius:30px;margin-bottom:12px;text-transform:uppercase}
.app-note{margin-top:18px;padding:18px 20px;border-radius:14px;background:#fff;border:1px dashed #b9c9c2;font-size:15px;color:var(--ink-2)}

/* tool */
.tool-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:42px;display:grid;grid-template-columns:1fr 1fr;gap:48px;box-shadow:0 30px 60px -35px rgba(15,46,53,.25)}
.tool label{display:block;font-size:15px;font-weight:600;margin-bottom:6px}
.tool .f{margin-bottom:16px}
.tool .f small{display:block;color:var(--muted);font-size:13px;font-weight:400}
.tool input[type=number],.tool input[type=email]{width:100%;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;font:500 18px var(--sans);color:var(--ink);background:var(--paper)}
.tool input:focus{border-color:var(--green);outline:none;box-shadow:0 0 0 4px var(--green-soft)}
.result{background:var(--green-soft);border-radius:20px;padding:30px;display:flex;flex-direction:column;justify-content:center;min-height:280px}
.result .empty{color:var(--ink-2)}
.bar{display:flex;height:16px;border-radius:10px;overflow:hidden;margin:18px 0 12px;background:#cfe3dc}
.bar i{display:block;height:100%;transition:width .4s}
.b1{background:var(--ink)}.b2{background:var(--green)}.b3{background:var(--sun)}
.leg{display:grid;gap:8px;font-size:15px}
.leg div{display:flex;justify-content:space-between;gap:12px}
.leg span:before{content:"";display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:9px}
.leg .l1:before{background:var(--ink)}.leg .l2:before{background:var(--green)}.leg .l3:before{background:var(--sun)}
.big{font:600 40px var(--serif);letter-spacing:-.02em;margin:2px 0 0}
.fine{font-size:13px;color:var(--muted);margin:16px 0 0}

/* fit */
.fit .wrap{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.fit .col{border-radius:var(--r);padding:34px}
.yes{background:var(--green-soft)}.no{background:var(--cream)}
.fit ul{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.fit li{padding-left:28px;position:relative;font-size:16px}
.yes li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}
.no li:before{content:"–";position:absolute;left:4px;color:var(--muted);font-weight:700}

/* about */
.about{background:var(--cream)}
.about .wrap{text-align:center}
.about p{color:var(--ink-2);max-width:620px;margin:0 auto 14px}

/* faq */
details{border-bottom:1px solid var(--line);padding:4px 0}
summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:20px 0;font:600 20px var(--serif)}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";font:300 30px var(--sans);color:var(--green);transition:transform .2s}
details[open] summary:after{transform:rotate(45deg)}
details p{color:var(--ink-2);padding:0 40px 22px 0;margin:0}

/* final cta */
.final{background:var(--ink);color:#fff;text-align:center}
.final h2{color:#fff}.final em{color:#7fd3bb}
.final p{color:#c3d3d5;max-width:560px;margin:0 auto 28px}
.final .box{max-width:520px;margin:0 auto}
.optin{display:flex;gap:10px;flex-wrap:wrap}
.optin input{flex:1 1 240px;background:#fff!important}
.optin .btn{flex:0 0 auto}
.consent{font-size:13px!important;color:#9fb5b8!important;margin:14px auto 0!important}
.consent a{color:#cfe3de}
.ok{display:none;background:rgba(127,211,187,.15);border:1px solid #7fd3bb;border-radius:14px;padding:18px 20px;color:#fff}
.ok.show{display:block}

footer{padding:40px 0 100px;font-size:14px;color:var(--muted)}
footer .wrap{display:grid;gap:14px}
footer .links{display:flex;gap:22px;flex-wrap:wrap}
footer a{color:var(--ink-2)}

/* sticky mobile cta */
.mbar{display:none}

@media(max-width:860px){
  section{padding:60px 0}
  .top nav a:not(.btn){display:none}
  .hero{padding-top:30px}
  .hero .wrap,.problem .wrap,.inside .wrap,.tool-card,.fit .wrap{grid-template-columns:1fr;gap:34px}
  .photo{aspect-ratio:1/1;order:-1}
  .steps{grid-template-columns:1fr}
  .tool-card{padding:26px}
  .mbar{display:block;position:fixed;left:0;right:0;bottom:0;z-index:30;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(253,252,248,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .3s}
  .mbar.show{transform:none}
  .mbar .btn{width:100%}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}