:root{
  --paper:#F5F6F9; --card:#FFFFFF; --ink:#18213A; --muted:#556079; --rule:#DADFE9;
  --red:#C3343B; --blue:#2C57B8; --blue-ink:#22479A; --ok:#1F7A4D;
  --display:"Bricolage Grotesque",system-ui,sans-serif; --body:"Public Sans",system-ui,sans-serif;
  --mail:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#121829; --card:#1A2236; --ink:#E9ECF4; --muted:#A3ADC4; --rule:#2C3651;
  --red:#E25A60; --blue:#7FA2F0; --blue-ink:#9DB7F4; --ok:#5CC48F;}}
:root[data-theme="dark"]{--paper:#121829; --card:#1A2236; --ink:#E9ECF4; --muted:#A3ADC4; --rule:#2C3651;
  --red:#E25A60; --blue:#7FA2F0; --blue-ink:#9DB7F4; --ok:#5CC48F;}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--body)}
a{color:var(--blue-ink);text-underline-offset:3px}
a:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:4px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.prose{max-width:66ch}
header.top{display:flex;justify-content:space-between;align-items:center;padding:22px 0}
.logo{font:800 20px/1 var(--display);color:var(--ink);text-decoration:none;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}
.logo svg{flex:none}
header.top nav a{color:var(--ink);text-decoration:none;margin-left:22px;font-weight:600;font-size:15px}
header.top nav a:hover{color:var(--blue-ink)}
h1,h2,h3{font-family:var(--display);line-height:1.08;letter-spacing:-.02em;margin:0}
h1{font-size:clamp(40px,6.2vw,72px);font-weight:800}
h2{font-size:clamp(28px,3.6vw,40px);font-weight:700;margin-bottom:18px}
h3{font-size:21px;font-weight:700;margin-bottom:6px;letter-spacing:-.01em}
.lede{font-size:20px;color:var(--muted);margin:22px 0 30px;max-width:34ch}
.btn{display:inline-block;background:var(--ink);color:var(--paper);padding:14px 22px;border-radius:8px;font-weight:600;text-decoration:none}
.btn:hover{background:var(--blue-ink);color:#fff}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 2px var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.actions{display:flex;gap:12px;flex-wrap:wrap}
section{padding:72px 0;border-top:1px solid var(--rule)}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;padding-top:48px;padding-bottom:88px}
.thread{position:relative;padding:10px;border-radius:14px;
  background:repeating-linear-gradient(135deg,var(--red) 0 14px,var(--card) 14px 24px,var(--blue) 24px 38px,var(--card) 38px 48px)}
.thread-inner{background:var(--card);border-radius:8px;padding:6px 0;font-family:var(--mail)}
.msg{padding:16px 22px;border-bottom:1px solid var(--rule);opacity:0;transform:translateY(8px);animation:in .5s ease-out forwards}
.msg:last-child{border-bottom:0}
.msg:nth-child(2){animation-delay:.9s}
@keyframes in{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.msg{animation:none;opacity:1;transform:none}}
.msg .meta{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);margin-bottom:6px}
.msg .from{font-weight:600;color:var(--ink);font-size:14px}
.msg .subj{font-weight:600;font-size:15px;margin-bottom:6px}
.msg p{margin:0 0 6px;font-size:15px;line-height:1.5}
.msg ul{margin:4px 0 6px;padding-left:20px;font-size:15px;line-height:1.5}
.live{display:inline-flex;align-items:center;gap:7px;color:var(--ok);font-weight:600;font-size:14px;margin-top:4px}
.live::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}

/* subject lines */
.subjects{list-style:none;padding:0;margin:26px 0 0;columns:2;column-gap:40px;font-family:var(--mail)}
.subjects li{break-inside:avoid;padding:11px 0;border-bottom:1px solid var(--rule);font-size:16px}
.subjects li span{color:var(--muted);margin-right:6px}
.not{margin-top:28px;color:var(--muted)}

/* yourself vs. us */
.versus{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:30px 0 8px;max-width:860px}
.versus>div{border-radius:12px;padding:24px 26px}
.versus .diy{border:1px dashed var(--rule)}
.versus .us{background:var(--card);border:2px solid var(--ink);align-self:start}
.versus h3{font-size:18px;margin-bottom:12px}
.versus ol{margin:0;padding-left:22px;color:var(--muted)}
.versus ol li{margin:5px 0}
.versus .us ol{color:var(--ink);font-weight:600}
.versus .us p{margin:12px 0 0;color:var(--muted)}

/* steps */
.steps{list-style:none;counter-reset:s;padding:0;margin:30px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.steps li{counter-increment:s}
.steps li::before{content:counter(s);display:block;font:800 44px/1 var(--display);color:var(--blue);margin-bottom:10px}
.steps p{margin:0;color:var(--muted);font-size:16px}

/* pricing */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px;max-width:860px}
.plan{background:var(--card);border:1px solid var(--rule);border-radius:12px;padding:28px}
.plan.pick{border:2px solid var(--ink)}
.price{font:800 44px/1 var(--display);letter-spacing:-.02em;margin:14px 0 4px}
.price small{font:600 17px var(--body);color:var(--muted);letter-spacing:0}
.plan .then{color:var(--muted);margin:0 0 18px;font-size:15px}
.plan ul{padding-left:20px;margin:0 0 24px}
.plan li{margin:4px 0}
.fine{color:var(--muted);font-size:15px;margin-top:22px;max-width:66ch}

/* example */
.example{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.example figure{margin:0;background:var(--card);border:1px solid var(--rule);border-radius:12px;padding:28px}
.example blockquote{margin:0;font:600 22px/1.35 var(--display);letter-spacing:-.01em}
.example figcaption{margin-top:12px;color:var(--muted);font-size:15px}

/* faq */
details{border-bottom:1px solid var(--rule);padding:16px 0;max-width:72ch}
summary{cursor:pointer;font-weight:600;font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font:700 22px/1 var(--display);color:var(--muted)}
details[open] summary::after{content:"\2212"}
details p{margin:10px 0 0;color:var(--muted)}

footer{border-top:1px solid var(--rule);padding:36px 0 56px;color:var(--muted);font-size:15px}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer a{color:var(--muted)}

/* text pages */
.doc{padding-top:24px;padding-bottom:72px}
.doc h1{font-size:clamp(36px,5vw,52px);margin-bottom:12px}
.doc h2{font-size:24px;margin:40px 0 10px}
.doc p,.doc li{max-width:68ch}
.doc .updated{color:var(--muted)}

@media (max-width:860px){
  .hero,.example{grid-template-columns:1fr;gap:36px}
  .steps{grid-template-columns:1fr 1fr}
  .plans,.versus{grid-template-columns:1fr}
  .subjects{columns:1}
}
@media (max-width:520px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  header.top nav a{margin-left:14px}
  header.top nav a.hide-sm{display:none}
  .steps{grid-template-columns:1fr}
  section{padding:56px 0}
  .msg{padding:14px 16px}
}