/* Statemark — studio site. System fonts only, no trackers, no external requests. */
:root{
  --bg:#ffffff; --bg-soft:#f6f6f4; --ink:#121212; --ink-2:#4a4a4a; --ink-3:#7a7a7a;
  --line:#e6e6e2; --accent:#1f3a5f; --accent-ink:#ffffff; --card:#ffffff;
  --radius:14px; --max:1120px;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#141414; --bg-soft:#1c1c1c; --ink:#f2f2f0; --ink-2:#c4c4c0; --ink-3:#8e8e8a;
    --line:#2c2c2a; --accent:#9db8dc; --accent-ink:#0f1a2a; --card:#1a1a1a; }
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font:400 17px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* Header */
.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;font-size:19px;letter-spacing:-.01em;white-space:nowrap}
.brand svg{width:26px;height:26px;flex:none}
.nav{display:flex;gap:28px;font-size:15px}
.nav a{text-decoration:none;color:var(--ink-2);white-space:nowrap}
.nav a:hover,.nav a[aria-current]{color:var(--ink)}

/* Type */
h1{font-size:clamp(38px,6vw,68px);line-height:1.05;letter-spacing:-.035em;font-weight:600}
h2{font-size:clamp(28px,3.6vw,40px);line-height:1.12;letter-spacing:-.025em;font-weight:600}
h3{font-size:20px;line-height:1.3;letter-spacing:-.01em;font-weight:600}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap}
.lead{font-size:clamp(18px,2vw,21px);color:var(--ink-2);max-width:640px}
.muted{color:var(--ink-3)}

/* Sections */
section{padding:96px 0}
.hero{padding:120px 0 96px}
.hero .lead{margin-top:24px}
.hero .actions{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}
.soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.head{max-width:680px;margin-bottom:48px}
.head .eyebrow{display:block;margin-bottom:14px}
.head p{margin-top:16px;color:var(--ink-2)}

.btn{display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;border-radius:999px;font-size:16px;font-weight:500;text-decoration:none;white-space:nowrap;border:1px solid var(--line);transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}

/* Grids & cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.card p{margin-top:10px;color:var(--ink-2);font-size:16px}
.num{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.08em;margin-bottom:18px;display:block}

/* App feature row */
.app{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:56px}
.app .icon{width:64px;height:64px;border-radius:15px;background:linear-gradient(160deg,#2b4c7a,#1f3a5f);display:grid;place-items:center;margin-bottom:22px;box-shadow:0 6px 18px rgba(31,58,95,.25)}
.app .icon svg{width:34px;height:34px}
.app p{margin-top:14px;color:var(--ink-2)}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.tag{font-size:13px;padding:5px 12px;border-radius:999px;background:var(--bg-soft);border:1px solid var(--line);color:var(--ink-2);white-space:nowrap}
.app .actions{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}

/* Planner illustration (drawn in CSS, not a screenshot) */
.device{background:var(--bg-soft);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 20px 50px rgba(0,0,0,.08)}
.device .bar{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--ink-3);margin-bottom:12px;white-space:nowrap}
.device .bar b{color:var(--ink);font-weight:600;font-size:15px}
.device .tabs{display:flex;gap:6px;margin-bottom:14px}
.device .tabs span{font-size:12px;padding:4px 10px;border-radius:8px;color:var(--ink-2);white-space:nowrap}
.device .tabs span.on{background:var(--card);color:var(--ink);border:1px solid var(--line)}
.device .cols{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pane{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px}
.pane h4{font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.06em;text-transform:uppercase;margin-bottom:8px}
.row{display:flex;align-items:center;gap:8px;font-size:13px;padding:6px 0;border-top:1px solid var(--line);white-space:nowrap;overflow:hidden}
.row:first-of-type{border-top:0}
.row i{width:14px;height:14px;border-radius:50%;border:1.5px solid var(--ink-3);flex:none}
.row.done{color:var(--ink-3);text-decoration:line-through}
.row.done i{background:var(--accent);border-color:var(--accent)}
.row time{color:var(--ink-3);font-variant-numeric:tabular-nums;flex:none}
.row span{overflow:hidden;text-overflow:ellipsis}
.note{grid-column:1/-1;font-size:13px;color:var(--ink-2);line-height:1.5}

/* Long-form text pages */
.doc{max-width:740px;margin:0 auto;padding:88px 24px 96px}
.doc h1{font-size:clamp(34px,5vw,48px)}
.doc .meta{margin-top:12px;color:var(--ink-3);font-size:15px}
.doc h2{font-size:22px;letter-spacing:-.01em;margin-top:44px}
.doc p,.doc li{margin-top:12px;color:var(--ink-2)}
.doc ul{padding-left:22px}
.doc .summary{margin-top:32px;padding:22px 24px;border-radius:var(--radius);background:var(--bg-soft);border:1px solid var(--line);color:var(--ink)}
details{border-top:1px solid var(--line);padding:18px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--ink-3);font-weight:400}
details[open] summary::after{content:"–"}
details p{margin-top:10px}

/* Footer */
footer{border-top:1px solid var(--line);padding:48px 0 56px;font-size:14px;color:var(--ink-3)}
footer .wrap{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap}
footer .links{display:flex;gap:24px;flex-wrap:wrap}
footer a{text-decoration:none;color:var(--ink-2);white-space:nowrap}
footer a:hover{color:var(--ink)}

/* Tablet & phone */
@media (max-width:1000px){
  .app{grid-template-columns:1fr;padding:36px;gap:40px}
}
@media (max-width:900px){
  .grid3{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .eyebrow{white-space:normal;line-height:1.5}
  h1 br{display:none}
  .nav{gap:18px;font-size:14px}
  .nav .hide-sm{display:none}
  section{padding:72px 0}
  .hero{padding:80px 0 72px}
  .grid3,.grid2{grid-template-columns:1fr}
  .app{padding:24px;border-radius:18px}
  .device .cols{grid-template-columns:1fr}
  .doc{padding:64px 16px 72px}
}