/* Layout concept: a set of proposal drawings. Cyanotype blueprint sheets alternate with white bond,
   marked up with highlighter, redlines and a drawing title block. One look by choice. */
@font-face{font-family:"Big Shoulders Display";src:url(fonts/big-shoulders-display-latin-900-normal.woff2) format("woff2");font-weight:900;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url(fonts/instrument-serif-latin-400-italic.woff2) format("woff2");font-style:italic;font-weight:400;font-display:swap}
@font-face{font-family:"Hanken Grotesk";src:url(fonts/hanken-grotesk-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Hanken Grotesk";src:url(fonts/hanken-grotesk-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  color-scheme:light;
  --blue:#0F2E91; --blue-deep:#0A2068; --grid:rgba(255,255,255,.055); --grid-major:rgba(255,255,255,.1);
  --rule:rgba(255,255,255,.34); --on-blue:#FFFFFF; --on-blue-mute:#CDD8F8;
  --paper:#F5F7FC; --ink:#0A1A4F; --on-paper-mute:#414D78; --paper-rule:#0A1A4F;
  --hi:#F4F23A; --red:#CF2A10; --late:#FF7A5C;
  --display:"Big Shoulders Display",Impact,"Arial Narrow",sans-serif;
  --voice:"Instrument Serif",Georgia,serif;
  --body:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--blue);color:var(--on-blue);font:400 1.125rem/1.6 var(--body)}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-underline-offset:.16em}
:focus-visible{outline:3px solid var(--hi);outline-offset:3px}
.paper :focus-visible,.yellow :focus-visible{outline-color:var(--red)}
h1,h2,h3,h4,p,ul,ol,figure,blockquote,table{margin:0}
ul,ol{padding-left:1.15em}
h1,h2,h3,h4{text-wrap:balance}
.skip{position:absolute;left:-999px;top:0;background:var(--hi);color:var(--ink);padding:.75rem 1rem;z-index:30}
.skip:focus{left:0}

/* Bands */
.band{padding-left:max(clamp(16px,5vw,80px),env(safe-area-inset-left,0px));padding-right:max(clamp(16px,5vw,80px),env(safe-area-inset-right,0px));padding-block:clamp(64px,9vw,128px)}
.wrap{max-width:1280px;margin-inline:auto}
.blueprint{background-color:var(--blue);background-image:linear-gradient(var(--grid-major) 1px,transparent 1px),linear-gradient(90deg,var(--grid-major) 1px,transparent 1px),linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:120px 120px,120px 120px,24px 24px,24px 24px;color:var(--on-blue)}
.deep{background-color:var(--blue-deep)}
.paper{background:var(--paper);color:var(--ink)}
.yellow{background:var(--hi);color:var(--ink)}

/* Type */
.d1,.d2,.d3,.d4{font-family:var(--display);font-weight:900;text-transform:uppercase;letter-spacing:.004em}
.d1{font-size:clamp(2.6rem,14vw,12.9rem);line-height:.92}
.d2{font-size:clamp(3rem,8.6vw,7.6rem);line-height:.95}
.d3{font-size:clamp(2.1rem,4vw,3.4rem);line-height:1}
.d4{font-size:clamp(1.65rem,2.3vw,2.1rem);line-height:1.05}
.voice{font-family:var(--voice);font-style:italic;font-weight:400;font-size:clamp(1.75rem,3.1vw,2.75rem);line-height:1.14}
.voice-s{font-family:var(--voice);font-style:italic;font-weight:400;font-size:clamp(1.45rem,2vw,1.75rem);line-height:1.18}
.mono{font-family:var(--mono);font-weight:500;font-size:.8125rem;line-height:1.4;letter-spacing:.06em;text-transform:uppercase}
.mute{color:var(--on-blue-mute)}
.paper .mute{color:var(--on-paper-mute)}
.lede{max-width:40em}
.stack{display:flex;flex-direction:column;gap:1.25rem}
.sec-head{display:flex;flex-direction:column;gap:1rem;margin-bottom:clamp(2.5rem,5vw,4.5rem)}
.hi{background-image:linear-gradient(var(--hi),var(--hi));background-repeat:no-repeat;background-size:100% 88%;background-position:0 55%;color:var(--ink);padding-inline:.09em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.paper .redtext,.redtext{color:var(--red)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;min-height:64px;padding:.9rem 2rem;background:var(--hi);color:var(--ink);font-family:var(--display);font-weight:900;font-size:1.75rem;line-height:1;text-transform:uppercase;text-decoration:none;letter-spacing:.012em;box-shadow:6px 6px 0 var(--blue-deep);transition:transform .14s ease,box-shadow .14s ease}
.btn:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--blue-deep)}
.btn:active{transform:translate(4px,4px);box-shadow:2px 2px 0 var(--blue-deep)}
.paper .btn{box-shadow:6px 6px 0 var(--ink)}
.paper .btn:hover{box-shadow:8px 8px 0 var(--ink)}
.yellow .btn,.btn-ink{background:var(--ink);color:var(--hi);box-shadow:none}
.yellow .btn:hover,.btn-ink:hover{box-shadow:none;background:var(--blue)}

/* Header */
.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.25rem 2rem;max-width:1280px;margin-inline:auto}
.top-band{padding-block:.75rem;padding-left:max(clamp(16px,5vw,80px),env(safe-area-inset-left,0px));padding-right:max(clamp(16px,5vw,80px),env(safe-area-inset-right,0px));border-bottom:1px solid var(--rule)}
.brand{font-family:var(--display);font-weight:900;font-size:1.3rem;text-transform:uppercase;text-decoration:none;letter-spacing:.02em;padding-block:.65rem}
.topnav{display:flex;flex-wrap:wrap;gap:0 1.5rem;align-items:center}
.topnav a{padding-block:.75rem;text-decoration:none}
.topnav a:hover{text-decoration:underline}
.topnav .buy{color:var(--hi)}

/* Hero */
.hero{padding-block:clamp(28px,4vw,56px) 0}
.dim{display:flex;align-items:center;gap:.9rem;margin-bottom:.9rem;color:var(--on-blue-mute)}
.dim::before,.dim::after{content:"";flex:1;height:9px;border-block:0 solid;background:linear-gradient(var(--rule),var(--rule)) center/100% 1px no-repeat}
.dim::before{border-left:1px solid var(--rule);min-width:12px}
.dim::after{border-right:1px solid var(--rule);min-width:12px}
.dim h1,.dim span{white-space:nowrap}
.hero-h{display:block}
.swipe{white-space:nowrap}
.js .swipe{animation:swipe 720ms cubic-bezier(.65,0,.2,1) 260ms both}
@keyframes swipe{from{background-size:0 88%;color:var(--on-blue)}60%{color:var(--on-blue)}to{background-size:100% 88%;color:var(--ink)}}
.hero-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,400px),1fr));gap:clamp(32px,5vw,72px);margin-top:clamp(32px,4vw,56px);align-items:start}
.hero-copy{display:flex;flex-direction:column;gap:1.5rem;align-items:flex-start;min-width:0}
.note{font-size:.9375rem;color:var(--on-blue-mute)}
.video{position:relative;display:block;aspect-ratio:16/9;width:100%;max-width:100%;background:#fff;overflow:hidden;border:1px solid var(--on-blue);text-decoration:none}
.video img{width:100%;height:100%;object-fit:cover}
.video iframe{display:block;width:100%;height:100%;border:0}
.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:.6rem;background:var(--hi);color:var(--ink);padding:.85rem 1.25rem;font-family:var(--display);font-weight:900;font-size:clamp(1.05rem,2vw,1.4rem);line-height:1;text-transform:uppercase;white-space:nowrap;box-shadow:5px 5px 0 var(--ink);transition:transform .14s ease}
.video:hover .play{transform:translate(-50%,-50%) scale(1.06)}
.corner{position:relative}
.corner::before,.corner::after{content:"";position:absolute;width:22px;height:22px;pointer-events:none}
.corner::before{left:-10px;top:-10px;border-left:1px solid var(--on-blue);border-top:1px solid var(--on-blue)}
.corner::after{right:-10px;bottom:-10px;border-right:1px solid var(--on-blue);border-bottom:1px solid var(--on-blue)}

/* Title block */
.tb{display:flex;flex-wrap:wrap;border:1px solid var(--on-blue);margin-top:clamp(40px,6vw,72px)}
.tb>div{flex:1 1 170px;padding:.85rem 1rem 1rem;border:1px solid var(--rule);margin:-.5px;display:flex;flex-direction:column;gap:.3rem;min-width:0}
.tb b{font-family:var(--display);font-weight:900;font-size:clamp(2rem,3.4vw,3rem);line-height:1;text-transform:uppercase}
.tb .mono{color:var(--on-blue-mute);font-size:.75rem}
.tb small{font-size:.9375rem;line-height:1.3;color:var(--on-blue-mute)}
.hero-end{padding-bottom:clamp(40px,6vw,72px)}

/* Redlines */
.redlines{display:flex;flex-direction:column;border-top:2px solid var(--ink)}
.rl{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr));gap:.5rem clamp(2rem,5vw,4rem);padding-block:1.35rem;border-bottom:1px solid var(--paper-rule);align-items:baseline}
.rl-was{font-size:clamp(1.25rem,1.9vw,1.55rem);line-height:1.3;font-weight:600;min-width:0}
.strike{background-image:linear-gradient(var(--red),var(--red));background-repeat:no-repeat;background-position:0 58%;background-size:100% 3px;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.js .rl:not(.seen) .strike{background-size:0 3px}
.strike{transition:background-size .7s cubic-bezier(.65,0,.2,1)}
.rl-now{color:var(--red);min-width:0}

/* Research */
.three{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:clamp(2rem,4vw,3rem)}
.three article{display:flex;flex-direction:column;gap:.85rem;border-top:1px solid var(--on-blue);padding-top:1.25rem;min-width:0}
.three a{color:var(--hi);font-weight:600}

/* Demo */
.demo{background:var(--blue-deep);border:1px solid var(--on-blue);padding:clamp(1rem,3vw,2.25rem);display:flex;flex-direction:column;gap:1.5rem}
.demo-controls{display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:center}
.demo fieldset{border:0;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.6rem;min-width:0}
.demo legend{padding:0;margin-bottom:.5rem;color:var(--on-blue-mute)}
.opt{position:relative;display:inline-flex}
.opt input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.opt span{display:flex;align-items:center;min-height:48px;padding:.5rem 1rem;border:1px solid var(--on-blue);font-weight:600;line-height:1.2}
.opt input:checked+span{background:var(--hi);color:var(--ink);border-color:var(--hi)}
.opt input:focus-visible+span{outline:3px solid var(--hi);outline-offset:3px}
.gantt{display:flex;flex-direction:column;gap:.7rem;font-family:var(--mono);font-weight:500;font-size:.75rem}
.g-row{display:grid;grid-template-columns:minmax(0,13.5rem) minmax(0,1fr);gap:.25rem 1rem;align-items:center}
.g-label{font-family:var(--body);font-weight:600;font-size:1rem;line-height:1.2}
.g-track{position:relative;height:42px;background:rgba(255,255,255,.05)}
.g-track::after{content:"";position:absolute;left:calc(7/9*100%);top:-6px;bottom:-6px;width:2px;background:var(--hi)}
.g-days{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));height:auto;background:none;color:var(--on-blue-mute);text-align:center}
.g-days::after{top:0;bottom:-12px}
.seg{position:absolute;top:4px;bottom:4px;display:flex;align-items:center;justify-content:center;overflow:hidden;color:var(--ink);white-space:nowrap}
.seg-work{background:#fff}
.seg-review{background:#A9BDF4}
.seg-float{background:repeating-linear-gradient(135deg,var(--hi) 0 6px,#fff0 6px 11px);outline:2px solid var(--hi);outline-offset:-2px;color:var(--on-blue)}
.seg-float span{background:var(--blue-deep);padding:0 .2em}
.seg-late{background:var(--late)}
.verdict{display:flex;flex-direction:column;gap:.5rem;min-height:7.5rem}
.legend{display:flex;flex-wrap:wrap;gap:.4rem 1.25rem;font-size:.9375rem;color:var(--on-blue-mute)}
.legend i{display:inline-block;width:14px;height:14px;margin-right:.4rem;vertical-align:-2px}

/* Quotes */
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,270px),1fr));gap:2rem clamp(2rem,4vw,3rem);margin-top:clamp(2.5rem,5vw,4rem)}
.quotes figure{border-top:2px solid var(--ink);padding-top:1rem;display:flex;flex-direction:column;gap:.75rem;min-width:0}
figcaption{font-family:var(--mono);font-weight:500;font-size:.8125rem;letter-spacing:.04em}

/* Curriculum */
.mod{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:1rem clamp(2rem,5vw,4rem);border-top:1px solid var(--on-blue);padding-block:1.5rem clamp(2rem,4vw,3.5rem)}
.mod-side{display:flex;flex-direction:column;gap:.5rem;align-self:start;min-width:0}
.mod-list{grid-column:span 2;min-width:0}
@media (max-width:760px){.mod-list{grid-column:auto}}
@media (min-width:761px){.mod-side{position:sticky;top:1.5rem}}
details{border-bottom:1px solid var(--rule)}
.paper details{border-bottom-color:var(--paper-rule)}
summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.25rem 1rem;align-items:center;padding-block:1.1rem;min-height:48px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";grid-column:2;grid-row:1/span 2;font-family:var(--display);font-weight:900;font-size:2.2rem;line-height:1;color:var(--hi)}
.paper summary::after{color:var(--red)}
details[open]>summary::after{content:"\2212"}
.d-body{padding-bottom:1.5rem;display:flex;flex-direction:column;gap:.6rem;max-width:44em}

/* Vault */
.folders{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,270px),1fr));gap:3.25rem 1.5rem;margin-top:2.25rem}
.folder{position:relative;border:2px solid var(--ink);background:#fff;padding:1.5rem 1.25rem 1.5rem;display:flex;flex-direction:column;gap:1rem;min-width:0}
.folder h3{position:absolute;left:-2px;top:-2.15rem;height:2.15rem;display:flex;align-items:center;padding-inline:.85rem;background:var(--ink);color:var(--paper);font-family:var(--mono);font-weight:500;font-size:.8125rem;letter-spacing:.05em;text-transform:uppercase;max-width:calc(100% + 4px);white-space:nowrap}
.folder.bonus h3{background:var(--red)}
.folder ul{display:flex;flex-direction:column;gap:.55rem;font-size:1.0625rem;line-height:1.35}
.folder strong{font-weight:600}

/* Bio */
.bio{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,360px),1fr));gap:clamp(2rem,5vw,4.5rem);align-items:start}
.bio-copy{display:flex;flex-direction:column;gap:1.5rem;min-width:0}
.creds{display:flex;flex-wrap:wrap;gap:1.25rem;align-items:center;border-top:1px solid var(--rule);padding-top:1.5rem}
.creds>div{flex:1 1 16rem;min-width:0;display:flex;flex-direction:column;gap:.7rem}

/* Who + compare */
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:2.5rem clamp(2rem,5vw,4rem)}
.two>div{display:flex;flex-direction:column;gap:1rem;border-top:2px solid var(--ink);padding-top:1.1rem;min-width:0}
.two ul{display:flex;flex-direction:column;gap:.5rem}
.scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%;min-width:560px}
th,td{text-align:left;vertical-align:top;padding:.95rem 1rem;border-bottom:1px solid var(--paper-rule)}
thead th{font-family:var(--mono);font-weight:500;font-size:.8125rem;letter-spacing:.05em;text-transform:uppercase}
tbody th{font-weight:600}
.pick{background:var(--hi);font-weight:600}
.compare{margin-top:clamp(3rem,6vw,5rem);display:flex;flex-direction:column;gap:1.5rem}

/* Offer */
.offer{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,400px),1fr));gap:clamp(2rem,6vw,5.5rem);align-items:center}
.price{font-family:var(--display);font-weight:900;font-size:clamp(11rem,29vw,25rem);line-height:1.04;letter-spacing:-.01em}
.offer-l{display:flex;flex-direction:column;gap:1.25rem;min-width:0}
.stamp{flex:none;width:clamp(104px,10vw,132px);height:auto;transform:rotate(11deg);color:var(--red)}
.offer-foot{display:flex;align-items:center;gap:1.5rem}
.stack-list{list-style:none;padding:0;border-top:2px solid var(--ink)}
.stack-list li{padding:.8rem 0;border-bottom:1px solid var(--ink);font-weight:600;line-height:1.35;font-size:1.125rem}
.offer-r{display:flex;flex-direction:column;gap:1.5rem;min-width:0}
.offer-r .btn{width:100%}

/* Boss email */
.boss{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:2rem clamp(2rem,5vw,4rem);align-items:start}
.boss-copy{display:flex;flex-direction:column;gap:1rem;min-width:0}
.letter{background:#fff;color:var(--ink);padding:clamp(1.25rem,3vw,2rem);display:flex;flex-direction:column;gap:.85rem;min-width:0}
.copy{align-self:flex-start;min-height:48px;padding:.5rem 1.1rem;background:var(--ink);color:#fff;border:0;font:600 1rem var(--body);cursor:pointer}

/* Guides list */
.cards{display:flex;flex-wrap:wrap;gap:0 clamp(1.5rem,3vw,2.5rem)}
.card{flex:1 1 210px;display:flex;flex-direction:column;gap:.6rem;padding-block:1.25rem 1.75rem;border-top:2px solid var(--ink);text-decoration:none;min-width:0}
.card:hover .d4{text-decoration:underline;text-decoration-thickness:3px}
.card .mute{font-size:1.0625rem;line-height:1.4}

/* Final + footer */
.final{display:flex;flex-direction:column;gap:1.75rem;align-items:flex-start}
footer.band{padding-block:clamp(2.5rem,5vw,4rem)}
.foot{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));border:1px solid var(--on-blue)}
.foot>div{padding:1rem 1.1rem;border:1px solid var(--rule);margin:-.5px;display:flex;flex-direction:column;gap:.4rem;font-size:1rem;line-height:1.4;min-width:0}
.foot .mono{color:var(--on-blue-mute);font-size:.75rem}
.foot a{display:inline-block;padding-block:.2rem}
.foot ul{list-style:none;padding:0}

/* Sticky buy bar */
.buybar{position:fixed;left:0;right:0;bottom:0;z-index:20;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.6rem max(16px,env(safe-area-inset-right,0px)) calc(.6rem + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
.buybar p{font-weight:600;font-size:.9375rem;line-height:1.2;min-width:0}
.buybar .btn{min-height:48px;font-size:1.25rem;padding:.5rem 1rem;box-shadow:none;white-space:nowrap;flex:none}
.buybar .btn:hover{transform:none;box-shadow:none}

/* Guide pages */
.crumbs{display:flex;flex-wrap:wrap;gap:.25rem .6rem;list-style:none;padding:0;color:var(--on-blue-mute)}
.crumbs li+li::before{content:"/";margin-right:.6rem}
.crumbs a{display:inline-block;padding-block:.35rem}
.g-head{display:flex;flex-direction:column;gap:1.25rem}
.g-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(2.5rem,5vw,4rem)}
@media (min-width:1000px){.g-grid{grid-template-columns:minmax(0,1fr) 310px}.side{position:sticky;top:1.5rem;align-self:start}}
.prose{display:flex;flex-direction:column;gap:1.2rem;max-width:42rem;min-width:0;font-size:1.1875rem;line-height:1.62}
.prose h2{font-family:var(--display);font-weight:900;text-transform:uppercase;font-size:clamp(2.1rem,3.6vw,3rem);line-height:1;margin-top:1.5rem}
.prose h3{font-family:var(--display);font-weight:900;text-transform:uppercase;font-size:1.65rem;line-height:1.05;margin-top:.5rem}
.prose ul,.prose ol{display:flex;flex-direction:column;gap:.5rem}
.prose a{color:var(--red);font-weight:600}
.prose .pull{font-family:var(--voice);font-style:italic;font-size:1.85rem;line-height:1.16;color:var(--red)}
.prose table{font-size:1.0625rem;line-height:1.4}
.prose .wide-demo{max-width:none}
.side-card{background:var(--blue);color:#fff;padding:1.5rem;display:flex;flex-direction:column;gap:1rem}
.side-card .btn{font-size:1.4rem;min-height:56px;width:100%;box-shadow:none;padding:.5rem}
.side-card .price-s{font-family:var(--display);font-weight:900;font-size:5rem;line-height:.9}
.inline-cta{background:var(--hi);padding:1.5rem;display:flex;flex-direction:column;gap:.8rem;align-items:flex-start}
.inline-cta a{color:var(--ink)}
.author{display:flex;gap:1.1rem;align-items:flex-start;border-top:2px solid var(--ink);padding-top:1.25rem;margin-top:1rem}
.author img{width:80px;height:80px;flex:none}
.author>div{display:flex;flex-direction:column;gap:.4rem;font-size:1.0625rem;line-height:1.45;min-width:0}
.demo-on-paper{color:#fff;font-size:1.0625rem;line-height:1.5}
.demo-on-paper a{color:var(--hi)}

@media (max-width:560px){
  .g-row{grid-template-columns:minmax(0,1fr)}
  .g-spacer{display:none}
  .hero-grid{gap:2rem}
  .btn{width:100%}
  .buybar .btn{width:auto}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .swipe{animation:none}
  .strike,.btn,.play{transition:none}
  .js .rl:not(.seen) .strike{background-size:100% 3px}
}
@media (min-width:1000px){body:has(.side) .buybar{display:none}}
.buybar[hidden]{display:none}