/* DTC Retention Lab — site styles. Tokens match brand/brand-sheet.html */
:root{--ink:#1C1A16;--paper:#FBFAF7;--signal:#FFD400;--pen:#D92B3C;--pen-light:#FF6B6B;--muted:#6C6862;--muted-light:#A8A39A;--grid:#D9D5CC;--grid-dark:#2E2B26;--stone:#ECEAE5;
--display:'Archivo',system-ui,Helvetica,Arial,sans-serif;--mono:'IBM Plex Mono',ui-monospace,Menlo,monospace}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--display);font-size:17px;line-height:1.55}
img,svg{max-width:100%;display:block}
a{color:var(--ink);text-decoration-thickness:1.5px;text-underline-offset:3px}
a:hover{text-decoration-color:var(--signal);text-decoration-thickness:3px}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--signal);padding:8px 12px;font-weight:700;z-index:10}
.skip:focus{left:8px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
h1,h2,h3{margin:0;line-height:1.05;letter-spacing:-.02em}
h1{font-weight:900;font-size:clamp(38px,7vw,80px);letter-spacing:-.03em}
h2{font-weight:800;font-size:clamp(28px,4vw,44px)}
h3{font-weight:700;font-size:20px;letter-spacing:-.01em}
p{margin:0 0 1em;max-width:64ch}
.lede{font-size:clamp(18px,2.2vw,23px);line-height:1.35;max-width:40ch;font-weight:500}
.muted{color:var(--muted)}
.hl{background:var(--signal);box-shadow:0 0 0 .06em var(--signal);box-decoration-break:clone;-webkit-box-decoration-break:clone}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:10px;margin-bottom:16px}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--signal);border:1px solid var(--ink);flex:none}
.gridpaper{background-color:var(--paper);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px}
.dark{background:var(--ink);color:var(--paper)}
.dark a{color:var(--paper)}
.dark .muted{color:var(--muted-light)}
.dark .eyebrow{color:var(--muted-light)}
/* header */
.site-header{border-bottom:1px solid var(--grid);background:var(--paper)}
.site-header .wrap{display:flex;align-items:center;gap:14px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:800;font-size:18px;letter-spacing:-.02em}
.brand svg{width:34px;height:34px;flex:none}
nav{margin-left:auto;display:flex;gap:22px;font-weight:500;font-size:15px}
nav a{text-decoration:none}
nav a[aria-current]{box-shadow:inset 0 -3px 0 var(--signal)}
.btn{display:inline-block;background:var(--ink);color:var(--paper);font-weight:700;padding:14px 22px;text-decoration:none;border:2px solid var(--ink);font-size:16px;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--signal);color:var(--ink);border-color:var(--ink)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.btn.yt{display:inline-flex;align-items:center;gap:10px}
/* sections */
section{padding:72px 0}
@media(min-width:800px){section{padding:96px 0}}
.hero{padding:72px 0 80px}
.hero .lede{margin-top:26px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.cols{display:grid;gap:22px}
@media(min-width:760px){.cols-3{grid-template-columns:repeat(3,1fr)}.cols-2{grid-template-columns:1fr 1fr}}
.card{border:1px solid var(--grid);background:#fff;padding:24px}
.card .tag{display:inline-block;background:var(--signal);font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;padding:5px 8px;border:1.5px solid var(--ink);margin-bottom:14px}
.card p{margin:10px 0 0;font-size:15.5px}
/* videos */
.videos{display:grid;gap:22px}
@media(min-width:760px){.videos{grid-template-columns:repeat(3,1fr)}}
.video{display:block;text-decoration:none}
.video .frame{position:relative;aspect-ratio:16/9;background:var(--ink);border:1px solid var(--grid);overflow:hidden}
.video .frame iframe,.video .frame img{position:absolute;inset:0;width:100%;height:100%;border:0}
.video .ph{position:absolute;inset:0;display:grid;place-items:center;color:var(--paper);text-align:center;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;background-image:linear-gradient(var(--grid-dark) 1px,transparent 1px),linear-gradient(90deg,var(--grid-dark) 1px,transparent 1px);background-size:24px 24px}
.video .ph span{display:block;margin-top:10px;color:var(--muted-light)}
.video .play{width:64px;height:44px;background:var(--signal);display:grid;place-items:center;margin:0 auto}
.video .play::after{content:"";border:11px solid transparent;border-left:18px solid var(--ink);border-right:0;margin-left:4px}
.video h3{margin-top:12px;font-size:17px}
.video .meta{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:4px}
/* opt-in */
.optin{display:grid;gap:36px;align-items:center}
@media(min-width:900px){.optin{grid-template-columns:1.1fr 1fr}}
.checklist{border:1px solid var(--grid-dark);background:#fff;color:var(--ink);padding:26px;position:relative}
.checklist ul{list-style:none;padding:0;margin:14px 0 0;font-size:15px}
.checklist li{padding:9px 0 9px 32px;border-bottom:1px solid var(--grid);position:relative}
.checklist li::before{content:"";position:absolute;left:0;top:11px;width:16px;height:16px;border:2px solid var(--ink);background:#fff}
.checklist li.done::before{background:var(--signal)}
.checklist .callout{position:absolute;right:-10px;top:-16px;background:var(--signal);border:1.5px solid var(--ink);font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;padding:5px 8px}
.form{margin-top:22px}
.form label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:6px}
.form .row{display:flex;gap:10px;flex-wrap:wrap}
.form input{flex:1 1 220px;font:inherit;font-size:16px;padding:13px 14px;border:2px solid var(--paper);background:#fff;color:var(--ink);min-width:0}
.form input:focus{border-color:var(--signal);outline:none}
.form small{display:block;margin-top:10px;font-size:13px;color:var(--muted-light)}
.klaviyo-note{font-family:var(--mono);font-size:11px;color:var(--muted-light);letter-spacing:.08em;margin-top:14px}
/* about */
.about{display:grid;gap:30px;align-items:center}
@media(min-width:800px){.about{grid-template-columns:260px 1fr}}
.about img{width:220px;height:220px;border-radius:50%;filter:grayscale(1) sepia(.22) contrast(1.08)}
/* resources */
.disclosure{border:2px solid var(--ink);background:#fff;padding:18px 20px;font-size:15.5px;margin:0 0 36px}
.disclosure b{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;display:block;margin-bottom:6px}
.tools{display:grid;gap:14px}
.tool{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;border:1px solid var(--grid);background:#fff;padding:18px 20px}
.tool h3{font-size:18px}
.tool p{margin:4px 0 0;font-size:15px}
.tool .use{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:4px}
.tool .partner{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:block;margin-top:6px}
@media(max-width:560px){.tool{grid-template-columns:1fr}}
/* legal */
.legal{max-width:720px}
.legal h2{font-size:24px;margin:36px 0 10px}
.legal h3{margin:22px 0 6px}
.legal ul{padding-left:20px}
.legal li{margin-bottom:6px}
.updated{font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:28px}
/* footer */
footer{border-top:1px solid var(--grid);padding:40px 0;font-size:14px;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center}
footer nav{margin-left:auto;gap:18px;font-size:14px}
footer a{color:var(--ink)}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* small screens */
.site-header .wrap{flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.brand span{white-space:nowrap}
.checklist .callout{right:12px}
@media(max-width:640px){
  .brand{font-size:16px}
  nav{gap:14px;font-size:14px}
  .site-header nav a:last-child{display:none}
  footer nav{margin-left:0}
}