:root{
  --iron:#17181A; --charcoal:#232528; --steel:#2E3135; --ember:#E25822; --ember-dim:#B8461A;
  --paper:#F4F1EC; --muted:#A7A29A; --line:rgba(244,241,236,.12);
  --serif:'Spectral',Georgia,serif; --sans:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--iron);color:var(--paper);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.narrow{max-width:720px}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(23,24,26,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{font-family:var(--serif);font-size:22px;letter-spacing:.18em;text-decoration:none;font-weight:600}
.brand span{color:var(--ember)}
.nav ul{display:flex;gap:28px;list-style:none;align-items:center}
.nav ul a{text-decoration:none;font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.nav ul a:hover{color:var(--paper)}
.nav .btn{padding:10px 18px;font-size:13px}
@media(max-width:760px){.nav ul li:not(:last-child){display:none}}

/* buttons */
.btn{display:inline-block;background:var(--ember);color:#fff;border:0;border-radius:2px;padding:15px 28px;font:600 15px var(--sans);letter-spacing:.06em;text-transform:uppercase;text-decoration:none;cursor:pointer;transition:background .2s,transform .2s}
.btn:hover{background:var(--ember-dim)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--paper)}
.btn.ghost:hover{border-color:var(--paper)}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* hero */
.hero{position:relative;overflow:hidden;padding:120px 0 110px;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:auto -20% -60% -20%;height:90%;background:radial-gradient(ellipse at center,rgba(226,88,34,.28),rgba(226,88,34,0) 60%);pointer-events:none}
.eyebrow{font-size:13px;letter-spacing:.24em;text-transform:uppercase;color:var(--ember);font-weight:600;margin-bottom:22px}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.12}
.hero h1{font-size:clamp(44px,8vw,92px);letter-spacing:-.01em;max-width:14ch}
.hero h1 em{font-style:italic;color:var(--ember)}
.hero p.lede{font-size:clamp(18px,2.2vw,21px);color:#D8D3CB;max-width:46ch;margin:28px 0 40px}
.hero .ctas{display:flex;gap:14px;flex-wrap:wrap}

/* sections */
section{padding:100px 0;border-bottom:1px solid var(--line)}
section.alt{background:var(--charcoal)}
h2{font-size:clamp(32px,4.6vw,52px);margin-bottom:22px}
.sub{color:#D8D3CB;font-size:19px;max-width:60ch}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
@media(max-width:860px){.grid2{grid-template-columns:1fr;gap:40px}}

/* book cover placeholder */
.cover{aspect-ratio:2/3;max-width:360px;margin:0 auto;background:linear-gradient(160deg,#26282c,#121315);border:1px solid var(--line);box-shadow:0 30px 60px rgba(0,0,0,.5),inset 0 0 80px rgba(226,88,34,.08);display:flex;flex-direction:column;justify-content:space-between;padding:40px 32px;position:relative}
.cover::after{content:"";position:absolute;left:0;right:0;bottom:0;height:40%;background:radial-gradient(ellipse at 50% 120%,rgba(226,88,34,.45),transparent 70%)}
.cover .t{font-family:var(--serif);font-size:56px;letter-spacing:.14em;line-height:1}
.cover .st{font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);margin-top:14px}
.cover .a{font-family:var(--serif);font-size:18px;letter-spacing:.12em;position:relative;z-index:1}
.cover .bar{width:48px;height:3px;background:var(--ember);margin-top:22px}

.pill{display:inline-block;border:1px solid var(--ember);color:var(--ember);font-size:12px;letter-spacing:.2em;text-transform:uppercase;padding:6px 12px;margin-bottom:22px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
@media(max-width:860px){.cards{grid-template-columns:1fr}}
.card{background:var(--iron);border:1px solid var(--line);padding:32px}
.card .n{font-family:var(--serif);color:var(--ember);font-size:34px;line-height:1;margin-bottom:16px}
.card h3{font-size:24px;margin-bottom:10px}
.card p{color:#CFCAC2;font-size:16px}

/* about */
.portrait{aspect-ratio:4/5;background:linear-gradient(160deg,#2a2c30,#1a1b1d);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:96px;color:rgba(244,241,236,.12);letter-spacing:.06em}
.creds{list-style:none;margin-top:26px;border-top:1px solid var(--line)}
.creds li{padding:14px 0;border-bottom:1px solid var(--line);color:#D8D3CB;font-size:16px}
.creds li strong{color:var(--paper);font-weight:600}

/* forms */
.signup{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px;max-width:560px}
.signup input{flex:1 1 220px}
input[type=email],input[type=text]{background:var(--iron);border:1px solid var(--line);color:var(--paper);padding:15px 16px;font:16px var(--sans);border-radius:2px;outline:none}
input:focus{border-color:var(--ember)}
.msg{margin-top:14px;font-size:15px;min-height:1.4em}
.msg.ok{color:#9BD3A0}.msg.err{color:#F08A6B}
.fine{font-size:13px;color:var(--muted);margin-top:10px}
.hp{position:absolute;left:-9999px}

footer{padding:48px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}

/* assessment */
.assess{padding:70px 0 100px;min-height:calc(100vh - 68px)}
.progress{height:3px;background:var(--line);margin:28px 0 44px}
.progress i{display:block;height:100%;width:0;background:var(--ember);transition:width .3s}
.q-count{font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.q-text{font-family:var(--serif);font-size:clamp(26px,3.6vw,36px);line-height:1.25;margin:14px 0 36px}
.scale{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.scale button{background:var(--charcoal);border:1px solid var(--line);color:var(--paper);padding:18px 8px;font:15px var(--sans);cursor:pointer;border-radius:2px;transition:all .15s}
.scale button:hover{border-color:var(--ember)}
.scale button.sel{background:var(--ember);border-color:var(--ember)}
.scale button b{display:block;font-family:var(--serif);font-size:24px;font-weight:500;margin-bottom:4px}
@media(max-width:600px){.scale{grid-template-columns:1fr}.scale button{display:flex;align-items:center;gap:14px;text-align:left;padding:14px 16px}.scale button b{margin:0;font-size:20px;width:20px}}
.qnav{display:flex;justify-content:space-between;margin-top:36px}
.result-score{font-family:var(--serif);font-size:96px;color:var(--ember);line-height:1}
.bars{margin-top:36px;display:grid;gap:18px}
.bar-row .lbl{display:flex;justify-content:space-between;font-size:15px;margin-bottom:6px}
.bar-row .trk{height:6px;background:var(--line)}
.bar-row .trk i{display:block;height:100%;background:var(--ember)}
.hidden{display:none!important}

.cover .soon{position:relative;z-index:1}
.cover .soon .c{font-family:var(--serif);font-size:clamp(48px,7vw,64px);letter-spacing:.1em;line-height:1}
.cover .soon .y{font-family:var(--serif);font-size:clamp(56px,8vw,76px);color:var(--ember);letter-spacing:.08em;line-height:1;margin-top:8px}

.hero .booktitle{font-family:var(--serif);font-size:clamp(20px,2.6vw,28px);letter-spacing:.04em;margin-bottom:22px;color:var(--paper)}
.hero .booktitle span{color:#D8D3CB}
.hero .byline{font-size:13px;letter-spacing:.24em;text-transform:uppercase;color:var(--ember);font-weight:600;margin-top:18px}
.hero h1{max-width:16ch}

.preorder{margin-top:34px}
.preorder-btn[disabled]{background:var(--steel);color:var(--muted);opacity:1;cursor:not-allowed;padding:15px 44px}
.po-label{margin-top:14px;font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--ember);font-weight:600}
.countdown{display:flex;gap:10px;margin-top:14px}
.countdown div{background:var(--charcoal);border:1px solid var(--line);min-width:72px;padding:12px 8px;text-align:center}
.countdown b{display:block;font-family:var(--serif);font-weight:500;font-size:30px;line-height:1}
.countdown span{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:6px}
.check{flex-basis:100%;display:flex;align-items:center;gap:10px;font-size:15px;color:#D8D3CB;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--ember)}
.signup .check input{flex:0 0 auto}