/* Fonts: Barlow Condensed, Source Serif 4, Source Code Pro (SIL Open Font License, see assets/fonts/OFL-*.txt) */
@font-face{font-family:"Barlow Condensed";font-weight:500;src:url(fonts/BarlowCondensed-Medium.woff) format("woff");font-display:swap}
@font-face{font-family:"Barlow Condensed";font-weight:600;src:url(fonts/BarlowCondensed-SemiBold.woff) format("woff");font-display:swap}
@font-face{font-family:"Barlow Condensed";font-weight:700;src:url(fonts/BarlowCondensed-Bold.woff) format("woff");font-display:swap}
@font-face{font-family:"Barlow Condensed";font-weight:800;src:url(fonts/BarlowCondensed-ExtraBold.woff) format("woff");font-display:swap}
@font-face{font-family:"Barlow Condensed";font-weight:700;font-style:italic;src:url(fonts/BarlowCondensed-BoldItalic.woff) format("woff");font-display:swap}
@font-face{font-family:"Source Serif 4";font-weight:400;src:url(fonts/SourceSerif4-Regular.woff) format("woff");font-display:swap}
@font-face{font-family:"Source Serif 4";font-weight:400;font-style:italic;src:url(fonts/SourceSerif4-Italic.woff) format("woff");font-display:swap}
@font-face{font-family:"Source Serif 4";font-weight:600;src:url(fonts/SourceSerif4-SemiBold.woff) format("woff");font-display:swap}
@font-face{font-family:"Source Serif 4";font-weight:700;src:url(fonts/SourceSerif4-Bold.woff) format("woff");font-display:swap}
@font-face{font-family:"Source Code Pro";font-weight:400;src:url(fonts/SourceCodePro-Regular.woff) format("woff");font-display:swap}

:root{
  --navy:#0a1230; --navy2:#121c4a; --ink:#141622; --paper:#fbf7ef; --tint:#fff1da;
  --amber:#ffa11f; --amber-ink:#9a5200; --cyan:#3fe0f0; --teal:#0e7f90;
  --text:#1b1d29; --muted:#555b70; --rule:#e2ddd0;
  --display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --body:"Source Serif 4",Georgia,"Times New Roman",serif;
  --mono:"Source Code Pro",ui-monospace,Menlo,Consolas,monospace;
  --w:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--body);font-size:18px;line-height:1.6;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{width:min(var(--w),100% - 40px);margin-inline:auto}
.narrow{max-width:760px}
.narrow-l{max-width:760px}
.skip{position:absolute;left:-999px;top:8px;background:var(--amber);color:var(--navy);padding:8px 14px;z-index:100;font-family:var(--display);font-weight:700}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:2px}
.paper :focus-visible,.tint :focus-visible{outline-color:var(--teal)}

/* type */
h1,h2,h3{font-family:var(--display);margin:0;line-height:1.02;letter-spacing:.01em;text-transform:uppercase}
h2{font-size:clamp(34px,5vw,56px);font-weight:800;margin-bottom:22px;color:var(--navy)}
h3{font-size:24px;font-weight:700;color:var(--navy)}
.kicker{font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:.2em;text-transform:uppercase;color:var(--amber-ink);margin:0 0 12px}
.kicker.light{color:var(--cyan)}
.big{font-size:clamp(19px,2.2vw,22px);line-height:1.55;margin:0 0 18px}
.big.strong{font-family:var(--display);text-transform:uppercase;font-weight:800;font-size:clamp(28px,4vw,40px);color:var(--navy);margin-top:36px;line-height:1.1}
.on-dark{color:#f1f3fa}
h2.on-dark{color:#fff}
.soft{opacity:.85}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;justify-content:center;font-family:var(--display);font-weight:800;font-size:19px;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;background:var(--amber);color:var(--navy);padding:14px 26px;border:2px solid var(--amber);border-radius:4px;cursor:pointer;transition:transform .15s,background .15s,box-shadow .15s}
.btn:hover{background:#ffb544;border-color:#ffb544;transform:translateY(-1px);box-shadow:0 8px 24px rgba(255,161,31,.28)}

.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;box-shadow:none}
.btn-sm{font-size:16px;padding:9px 16px}
.btn-block{width:100%}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(10,18,48,.92);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08)}
.bar{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;font-family:var(--display);font-weight:800;font-size:19px;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap}
nav{display:flex;align-items:center;gap:22px}
nav a:not(.btn){font-family:var(--display);font-weight:600;font-size:16px;letter-spacing:.12em;text-transform:uppercase;color:#cfd4ea;text-decoration:none}
nav a:not(.btn):hover{color:#fff}

/* hero */
.hero{position:relative;overflow:hidden;color:#fff;background:
  radial-gradient(900px 500px at 82% 78%,rgba(255,161,31,.30),transparent 62%),
  radial-gradient(700px 420px at 12% 0%,rgba(63,224,240,.12),transparent 60%),
  linear-gradient(180deg,#0a1230,#070d24)}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1.4px);background-size:26px 26px;mask-image:linear-gradient(90deg,#000,transparent 70%);-webkit-mask-image:linear-gradient(90deg,#000,transparent 70%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding:64px 0 76px}
.eyebrow{font-family:var(--display);font-weight:700;letter-spacing:.2em;text-transform:uppercase;font-size:15px;color:var(--cyan);margin:0 0 18px}
h1{color:#fff;font-weight:800;margin:0}
h1 span{display:block}
.h1-a{font-size:clamp(54px,9vw,112px);line-height:.9;letter-spacing:.015em}
.h1-b{font-size:clamp(22px,3.2vw,38px);letter-spacing:.7em;margin:14px 0 6px .1em;font-weight:700}
.h1-c{font-size:clamp(80px,14vw,176px);line-height:.82;color:var(--amber);text-shadow:0 0 40px rgba(255,161,31,.35)}
.tagline{font-family:var(--display);font-style:italic;font-weight:700;font-size:clamp(20px,2.4vw,26px);color:var(--cyan);margin:20px 0 14px}
.lede{font-size:clamp(18px,2vw,21px);max-width:560px;color:#e3e6f3;margin:0 0 28px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.facts{display:flex;flex-wrap:wrap;gap:8px 26px;list-style:none;padding:0;margin:0;font-family:var(--display);letter-spacing:.1em;text-transform:uppercase;font-size:16px;color:#b6bddb}
.facts strong{color:#fff;font-size:22px;margin-right:4px}

.hero-book{position:relative;display:grid;place-items:center;perspective:1400px}
.glow{position:absolute;width:80%;aspect-ratio:1;border-radius:50%;background:radial-gradient(closest-side,rgba(255,161,31,.45),rgba(63,224,240,.12) 60%,transparent);filter:blur(30px)}
.book{position:relative;width:min(380px,72vw);transform:rotateY(-24deg) rotateX(3deg);transform-style:preserve-3d;transition:transform .6s cubic-bezier(.2,.7,.2,1);filter:drop-shadow(0 40px 40px rgba(0,0,0,.55))}
.book:hover{transform:rotateY(-8deg) rotateX(1deg)}
.book img{width:100%;border-radius:2px 6px 6px 2px;box-shadow:inset 3px 0 6px rgba(255,255,255,.12)}
.spine{position:absolute;left:0;top:0;bottom:0;width:26px;background:linear-gradient(90deg,#050919,#0f1a46);transform:rotateY(90deg);transform-origin:left;border-radius:2px 0 0 2px}
.pages{position:absolute;right:-1px;top:3px;bottom:3px;width:20px;background:repeating-linear-gradient(0deg,#f4efe4 0 2px,#d9d2c2 2px 3px);transform:rotateY(90deg);transform-origin:right;border-radius:0 3px 3px 0}

/* bands */
.band{padding:88px 0}
.paper{background:var(--paper)}
.tint{background:var(--tint)}
.navy{background:linear-gradient(180deg,var(--navy),#0c1640);color:#fff}
.ink{background:var(--ink);color:#fff}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
.card{background:#fff;border:1px solid var(--rule);border-top:4px solid var(--amber);border-radius:4px;padding:26px 24px 22px}
.card h3{margin-bottom:10px}
.card p{margin:0;color:var(--muted)}

/* how */
.how-grid{max-width:760px;margin-top:24px}






/* parts */
.parts{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:36px}
.part{background:#fff;border:1px solid var(--rule);border-radius:4px;padding:28px 28px 24px}
.part h3{font-size:30px;margin-bottom:6px}
.part h3 span{display:block;font-size:15px;letter-spacing:.2em;color:var(--amber-ink);margin-bottom:4px}
.part-sub{margin:0 0 14px;color:var(--muted);font-style:italic}
.part ol{margin:0;padding:0;list-style:none}
.part li{display:list-item;padding:12px 0 12px 54px;border-top:1px solid var(--rule);position:relative}
.part li::before{content:counter(list-item);position:absolute;left:0;top:10px;width:40px;text-align:center;font-family:var(--display);font-weight:800;font-size:30px;color:var(--amber-ink);line-height:1.1}
.part li b,.part li span{display:block}
.part li b{font-family:var(--display);font-weight:700;font-size:20px;letter-spacing:.03em;text-transform:uppercase;color:var(--navy);line-height:1.15}
.part li span{font-size:16px;color:var(--muted);line-height:1.45}
.toolkit{margin-top:34px;padding:20px 24px;background:var(--navy);color:#e8ebf7;border-left:6px solid var(--amber);border-radius:2px;max-width:none}
.toolkit b{color:var(--amber);font-family:var(--display);letter-spacing:.08em;text-transform:uppercase}

/* labs */
.terms{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:30px 0 24px}
.terms figure{margin:0}
.terms figcaption{font-family:var(--display);font-weight:700;letter-spacing:.1em;text-transform:uppercase;font-size:15px;color:var(--cyan);margin-bottom:8px}
.term{margin:0;background:#0a0d18;border:1px solid #2a3050;border-radius:6px;padding:18px 20px;font-family:var(--mono);font-size:14px;line-height:1.6;color:#d6dcf2;overflow-x:auto;}
.term .p{color:var(--amber)}

/* quotes */
.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:30px}
blockquote{margin:0;padding:26px 28px;background:#fff;border:1px solid var(--rule);border-left:6px solid var(--amber);border-radius:2px}
blockquote p{margin:0 0 12px;font-size:21px;line-height:1.4;font-style:italic;color:var(--navy)}
blockquote footer{font-family:var(--display);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:14px;color:var(--amber-ink)}

/* gallery */
.gallery{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;padding:34px max(20px,calc((100% - var(--w))/2)) 22px;scrollbar-color:var(--amber-ink) transparent}
.gallery figure{flex:0 0 min(300px,72vw);margin:0;scroll-snap-align:center}
.gallery img{width:100%;border:1px solid var(--rule);background:#fff;box-shadow:0 14px 30px rgba(40,30,0,.18);border-radius:2px}
.gallery figcaption{font-family:var(--display);font-weight:600;letter-spacing:.12em;text-transform:uppercase;font-size:15px;color:var(--muted);margin-top:10px;text-align:center}

/* audience */
.two{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.two.center{align-items:center}
.ticks{list-style:none;padding:0;margin:8px 0 0}
.ticks li{padding:10px 0 10px 34px;position:relative;border-top:1px solid var(--rule)}
.ticks li::before{content:"";position:absolute;left:4px;top:18px;width:14px;height:8px;border-left:3px solid var(--amber-ink);border-bottom:3px solid var(--amber-ink);transform:rotate(-45deg)}

/* buy */






















.small-note{font-size:14px;color:#aeb6d6;margin:12px 0 0;line-height:1.45}

.small-note a{color:inherit}




/* sample form */
.signup{background:#fff;border:1px solid var(--rule);border-radius:6px;padding:28px;box-shadow:0 14px 40px rgba(40,30,0,.1)}
.signup label{display:block;font-family:var(--display);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:16px;color:var(--navy);margin-bottom:8px}
.field{display:flex;gap:10px;flex-wrap:wrap}
.field input{flex:1 1 220px;font:400 18px var(--body);padding:12px 14px;border:2px solid #b9b4a4;border-radius:4px;background:#fff;color:var(--text);min-width:0}
.field input:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 3px rgba(14,127,144,.25)}
.msg{min-height:1.4em;margin:10px 0 0;font-size:16px;font-weight:600}
.msg.ok{color:#0b6b3a}.msg.err{color:#a11d1d}

/* FAQ + legal */
details{border-top:1px solid var(--rule);padding:4px 0}
details:last-of-type{border-bottom:1px solid var(--rule)}
summary{cursor:pointer;list-style:none;font-family:var(--display);font-weight:700;font-size:22px;letter-spacing:.04em;text-transform:uppercase;color:var(--navy);padding:14px 36px 14px 0;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:8px;font-size:32px;color:var(--amber-ink);font-weight:600}
details[open] summary::after{content:"\2212"}
details p{margin:0 0 16px;color:var(--muted)}
.final{text-align:center;padding:96px 0}
.center-t{text-align:center;margin-inline:auto}
.legal{background:#f2ede1;padding:36px 0 26px;font-size:15px}
.legal summary{font-size:18px}
.legal details p{font-size:15px}
.foot{background:#070d24;color:#aeb6d6;padding:26px 0;font-size:15px}
.foot-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.foot p{margin:0}.foot a{text-decoration:none;color:#d6dbf0}.foot a:hover{text-decoration:underline}

/* reveal */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.js .rv.in{opacity:1;transform:none}

@media (max-width:860px){
  body{font-size:17px}
  .hero-grid{grid-template-columns:1fr;padding:40px 0 56px}
  .hero-book{order:-1;margin-bottom:6px}
  .book{width:min(260px,64vw)}
  .cards3,.parts,.terms,.quotes,.two{grid-template-columns:1fr}
  .two{gap:34px}
  .band{padding:60px 0}
  nav a:not(.btn){display:none}
  .brand{font-size:16px}
}
@media (max-width:560px){
  .h1-b{letter-spacing:.45em}
  .signup{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .book,.btn,.js .rv{transition:none}
  .js .rv{opacity:1;transform:none}
}
@media print{.top,.hero-book{display:none}}
.btn-sm{white-space:nowrap}
.brand{min-width:0}
.brand span{overflow:hidden;text-overflow:ellipsis}
@media (max-width:420px){.brand span{font-size:12.5px;letter-spacing:.04em}}
[hidden]{display:none!important}
.terms figure{display:flex;flex-direction:column}
.term{flex:1;min-height:0}
.terms figure{min-width:0}
.small-note{color:var(--muted)}