/* PlanOS site: tokens, type, shared pieces. Colours match the product's presentation theme. */
@font-face{font-family:"Inter";font-weight:400;font-style:normal;font-display:swap;src:url("/fonts/inter-400.woff2") format("woff2")}
@font-face{font-family:"Inter";font-weight:500;font-style:normal;font-display:swap;src:url("/fonts/inter-500.woff2") format("woff2")}
@font-face{font-family:"Inter";font-weight:600;font-style:normal;font-display:swap;src:url("/fonts/inter-600.woff2") format("woff2")}
@font-face{font-family:"JetBrains Mono";font-weight:400;font-style:normal;font-display:swap;src:url("/fonts/jbmono-400.woff2") format("woff2")}
@font-face{font-family:"JetBrains Mono";font-weight:600;font-style:normal;font-display:swap;src:url("/fonts/jbmono-600.woff2") format("woff2")}

:root{
  --bg:#fafaf8; --panel:#ffffff; --panel-2:#f4f5f2; --line:#e2e4e0; --line-soft:#eceeea;
  --ink:#15202b; --dim:#44525f; --faint:#5d6b78;
  --accent:#1f4e79; --accent-2:#2c6aa0; --night:#0f2438; --night-2:#16314b; --night-line:rgba(255,255,255,.12);
  --ok:#2a6b4a; --warn:#7a570b; --bad:#9c3520; --water:#3f7fb5;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SF Mono",Consolas,monospace;
  --wrap:1180px; --gut:28px; --r:14px;
  --shadow:0 1px 2px rgba(21,32,43,.04),0 12px 32px -12px rgba(21,32,43,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--accent);text-underline-offset:3px}
img,svg{display:block;max-width:100%}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:4px}
::selection{background:#cfe0ef}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px;z-index:100}
.skip:focus{left:12px}

.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);font-weight:600}
h1{font-size:clamp(40px,5.2vw,68px);line-height:1.03;letter-spacing:-.037em;font-weight:600}
h2{font-size:clamp(30px,3.7vw,48px);line-height:1.08;letter-spacing:-.03em;font-weight:600}
h3{font-size:20px;line-height:1.25;letter-spacing:-.015em;font-weight:600}
h1,h2,h3{text-wrap:balance}
.body{color:var(--dim);font-size:18px;line-height:1.62;max-width:34em;text-wrap:pretty}
.body.small{font-size:15px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 22px;border-radius:10px;border:1px solid transparent;font:500 16px/1 var(--sans);letter-spacing:-.005em;text-decoration:none;cursor:pointer;transition:background .18s,border-color .18s,color .18s,transform .18s,box-shadow .18s;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.18) inset,0 8px 20px -10px rgba(31,78,121,.7)}
.btn-primary:hover{background:#19416a;transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.985)}
.btn:disabled{opacity:.6;cursor:default;transform:none}
.btn-ghost{background:transparent;color:var(--ink);border-color:#cfd3cd}
.btn-ghost:hover{border-color:var(--ink);background:#fff}
.btn-light{background:#fff;color:var(--night);font-family:var(--mono);font-size:14px;height:44px;padding:0 16px}
.btn-light:hover{background:#e6eef6}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px;border-radius:9px}
.btn-wide{width:100%}
.link-quiet{color:var(--ink);text-decoration:none;font-size:15px;font-weight:500;padding:10px 6px}
.link-quiet:hover{color:var(--accent)}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(250,250,248,.82);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.scrolled{border-bottom-color:var(--line)}
.nav-in{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:600;font-size:19px;letter-spacing:-.025em}
.nav-links{display:flex;gap:26px;margin-left:18px}
.nav-links a{position:relative;color:var(--dim);text-decoration:none;font-size:14.5px;font-weight:500;padding:8px 0;transition:color .15s}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1.5px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav-links a:hover,.nav-links a.on{color:var(--ink)}
.nav-links a.on::after{transform:scaleX(1)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:12px}
/* small screens: a visible menu button opens the section list */
.nav-menu{display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:42px;height:42px;padding:0;border:1px solid #cfd3cd;border-radius:9px;background:transparent;cursor:pointer}
.nav-menu span{display:block;width:16px;height:1.6px;border-radius:2px;background:var(--ink);transition:transform .2s,opacity .2s}
.nav-menu[aria-expanded="true"] span:nth-child(1){transform:translateY(5.6px) rotate(45deg)}
.nav-menu[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-menu[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg)}
.nav-panel{display:none}
.nav-panel a{display:flex;align-items:center;min-height:52px;border-top:1px solid var(--line-soft);color:var(--ink);text-decoration:none;font-size:16.5px;font-weight:500;letter-spacing:-.01em}
.nav-panel a:first-child{border-top:0}
.nav-panel a.on{color:var(--accent)}
.nav-panel a.np-sign{display:none;color:var(--accent)}

/* pills: one vocabulary for result states, used on light and dark */
.pill{display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 10px;border-radius:999px;font:600 11.5px/1 var(--mono);letter-spacing:.02em;white-space:nowrap;border:1px solid transparent}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;flex:none}
.pill.ok{color:var(--ok);background:#e6f1ea;border-color:#cfe3d7}
.pill.bad{color:var(--bad);background:#f8e9e5;border-color:#efd3cc}
.pill.unk{color:var(--warn);background:#fbf3df;border-color:#e9d9ad;border-style:dashed}
.pill.unk::before{background:transparent;box-shadow:0 0 0 1.5px currentColor inset}
.pill.np{color:var(--faint);background:#eef0ed;border-color:#dcdfda}
.pill.np::before{background:transparent;box-shadow:0 0 0 1.5px currentColor inset}
.pill.hj{color:var(--accent);background:#e7eef5;border-color:#cddbe8}
.pill.hj::before{border-radius:1px;transform:rotate(45deg)}
.dark .pill.ok{color:#8fd3ae;background:rgba(143,211,174,.12);border-color:rgba(143,211,174,.3)}
.dark .pill.bad{color:#f0a48f;background:rgba(240,164,143,.12);border-color:rgba(240,164,143,.3)}
.dark .pill.unk{color:#ecc866;background:rgba(236,200,102,.1);border-color:rgba(236,200,102,.45)}
.dark .pill.np{color:#a9b8c6;background:rgba(169,184,198,.1);border-color:rgba(169,184,198,.28)}
.dark .pill.hj{color:#9cc4ea;background:rgba(156,196,234,.12);border-color:rgba(156,196,234,.32)}

.mock-tag{font:400 10.5px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--faint)}

/* sections */
.sec{padding:128px 0}
.sec.tint{background:var(--panel-2);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.sec.dark{background:var(--night);color:#fff;position:relative;overflow:hidden}
.sec.dark::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--night-line) 1px,transparent 1px),linear-gradient(90deg,var(--night-line) 1px,transparent 1px);background-size:56px 56px;opacity:.35;-webkit-mask-image:radial-gradient(ellipse 70% 80% at 80% 30%,#000,transparent 75%);mask-image:radial-gradient(ellipse 70% 80% at 80% 30%,#000,transparent 75%);pointer-events:none}
.sec.dark .wrap{position:relative}
.sec.dark .eyebrow{color:#8fb8dd}
.sec.dark .body{color:#b9c7d4}
.sec.dark .mock-tag{color:#8497a8}
.sec-head{max-width:760px}
.sec-head .eyebrow{margin-bottom:18px}
.sec-head h2+.body{margin-top:22px}
.sec-head .body+.body{margin-top:14px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:72px;align-items:center}
.split.top{align-items:start}
.split.rev{grid-template-columns:minmax(0,.92fr) minmax(0,1fr)}

/* reveal on scroll */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0ms)}
.js .reveal.in{opacity:1;transform:none}

/* footer */
.foot{background:var(--night);color:#c4d0db;padding:64px 0 28px}
.foot-in{display:flex;justify-content:space-between;gap:40px;align-items:flex-start;flex-wrap:wrap}
.foot-brand{color:#fff;margin-bottom:14px}
.foot-note{font-size:14.5px;max-width:30em;color:#9fb0bf}
.foot-links{display:flex;gap:26px;flex-wrap:wrap}
.foot-links a{color:#c4d0db;text-decoration:none;font-size:14.5px;padding:6px 0}
.foot-links a:hover{color:#fff}
.foot-base{margin-top:44px;padding-top:22px;border-top:1px solid var(--night-line)}
.foot-base p{font:400 12px/1 var(--mono);letter-spacing:.06em;color:#7f93a5}

@media (max-width:980px){
  .nav-links{display:none}
  .nav-menu{display:inline-flex}
  .nav.open{background:var(--bg);border-bottom-color:var(--line)}
  .nav-panel:not([hidden]){display:block;position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);box-shadow:0 18px 30px -18px rgba(21,32,43,.28);padding:2px 0 10px}
  .split,.split.rev{grid-template-columns:1fr;gap:44px}
  .sec{padding:88px 0}
}
@media (max-width:640px){
  :root{--gut:18px}
  body{font-size:16px}
  .body{font-size:16.5px}
  .nav-in{height:60px;gap:10px}
  .brand{font-size:17.5px}
  .nav-cta{gap:8px}
  .nav-cta .link-quiet{display:none}
  .nav-panel a.np-sign{display:flex}
  .nav-menu{width:40px;height:40px}
  .btn-sm{height:40px;padding:0 13px;font-size:13.5px}
  .sec{padding:72px 0}
  .foot-links{gap:6px 20px}
  .foot-links a{padding:10px 0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .btn,.nav-menu span,.nav-links a::after{transition:none}
  .btn-primary:hover{transform:none}
}