/* LANDING: public page at "/". Same color variables and self-hosted IBM Plex as static/style.css (copied, so the
   cockpit's app-layout rules never apply here). font-display:optional + preload = no layout shift from fonts. */
@font-face{font-family:"Plex Sans";src:url(/static/fonts/IBMPlexSans-Regular.woff2) format("woff2");font-weight:400;font-display:optional}
@font-face{font-family:"Plex Sans";src:url(/static/fonts/IBMPlexSans-SemiBold.woff2) format("woff2");font-weight:600;font-display:optional}
@font-face{font-family:"Plex Serif";src:url(/static/fonts/IBMPlexSerif-Medium.woff2) format("woff2");font-weight:500;font-display:optional}
:root{
  --sans:"Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Plex Serif",Georgia,"Times New Roman",serif;
  --bg:#F6F7F6; --panel:#FFFFFF; --panel2:#EEF2F1; --line:#DCE3E1; --line2:#C9D3D0;
  --ink:#17201F; --muted:#5E6B68; --accent:#0F766E; --accent2:#0B5F59;
  --good:#15803D; --warn:#B45309; --bad:#B91C1C;
  --btn-bg:#0B5F59; --btn-ink:#FFFFFF; --btn-hover:#0F766E;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme=light]){
  --bg:#0E1514; --panel:#16201E; --panel2:#1D2927; --line:#263330; --line2:#34443F;
  --ink:#E6ECEA; --muted:#8FA19C; --accent:#2DD4BF; --accent2:#14B8A6;
  --good:#4ADE80; --warn:#FBBF24; --bad:#F87171;
  --btn-bg:#2DD4BF; --btn-ink:#0E1514; --btn-hover:#5EEAD4;
  color-scheme:dark;
}}
:root[data-theme=dark]{
  --bg:#0E1514; --panel:#16201E; --panel2:#1D2927; --line:#263330; --line2:#34443F;
  --ink:#E6ECEA; --muted:#8FA19C; --accent:#2DD4BF; --accent2:#14B8A6;
  --good:#4ADE80; --warn:#FBBF24; --bad:#F87171;
  --btn-bg:#2DD4BF; --btn-ink:#0E1514; --btn-hover:#5EEAD4;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--accent);text-underline-offset:2px}
a:hover{color:var(--accent2)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.2;margin:0 0 12px;letter-spacing:.005em}
h1{font-size:clamp(2rem,6.5vw,3.4rem);max-width:18ch}
h2{font-size:clamp(1.5rem,4vw,2rem)}
h3{font-size:1.15rem}
p{margin:0 0 12px}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.narrow{max-width:720px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--panel);padding:8px 12px;border-radius:6px;z-index:10}
.skip:focus{left:8px}

.top{background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top-in{display:flex;align-items:center;gap:12px;min-height:60px}
.brand{font-family:var(--serif);font-weight:500;font-size:1.3rem;color:var(--ink);text-decoration:none;margin-right:auto}
.brand span{color:var(--accent)}
.topnav{display:none;gap:20px}
.topnav a{color:var(--muted);text-decoration:none;font-size:.95rem}
.topnav a:hover{color:var(--ink)}
@media (min-width:720px){.topnav{display:flex}}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:10px;border:0;
  background:var(--btn-bg);color:var(--btn-ink);font:600 1rem/1 var(--sans);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--btn-hover);color:var(--btn-ink)}
.btn:disabled{opacity:.6;cursor:progress}
.btn-sm{min-height:40px;padding:0 14px;font-size:.9rem}
.link{font-weight:600}

section{padding:56px 0}
.band{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hero{padding:48px 0 40px}
.eyebrow{color:var(--muted);font-size:.95rem;margin-bottom:10px}
.lede{font-size:1.1rem;color:var(--ink);max-width:60ch}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;margin:20px 0 36px}
.today{border-top:1px solid var(--line);padding-top:24px}
.today-h{font-family:var(--sans);font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.today-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.today-list b{color:var(--ink)}
.today-list li{color:var(--muted)}
@media (min-width:720px){.today-list{grid-template-columns:1fr 1fr;gap:16px 32px}}
@media (min-width:1000px){.today-list{grid-template-columns:1fr 1fr 1fr}}

.two{display:grid;gap:28px}
@media (min-width:860px){.two{grid-template-columns:3fr 2fr;align-items:center;gap:56px}}
.badge{display:inline-block;font-size:.8rem;font-weight:600;color:var(--ink);border:1px solid var(--warn);border-radius:999px;padding:2px 10px;margin-bottom:12px}
.facts{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.facts li{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.small{font-size:.9rem;color:var(--muted)}

.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px}
.band .card{background:var(--bg)}
.cards{display:grid;gap:16px;margin-top:8px}
@media (min-width:860px){.cards{grid-template-columns:repeat(3,1fr)}}
.cards p{color:var(--muted);margin:0}

.calc label{display:block;font-weight:600;margin-bottom:6px}
input,select{font:inherit;font-size:16px;color:var(--ink);background:var(--panel);border:1px solid var(--line2);border-radius:8px;
  width:100%;min-height:48px;padding:10px 12px}
input:hover,select:hover{border-color:var(--muted)}
input[aria-invalid=true],select[aria-invalid=true]{border-color:var(--bad)}
.calc-out-label{margin:18px 0 2px;color:var(--muted);font-size:.9rem}
.calc output{display:block;font:500 clamp(1.8rem,6vw,2.4rem)/1.2 var(--serif);font-variant-numeric:tabular-nums;min-height:1.2em}
.note-tag{margin:6px 0 0;font-size:.85rem;color:var(--muted);font-style:italic}

.steps{list-style:none;counter-reset:s;margin:8px 0 0;padding:0;display:grid;gap:16px}
@media (min-width:860px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{counter-increment:s;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:20px}
.steps li::before{content:counter(s);display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;
  background:var(--btn-bg);color:var(--btn-ink);font-weight:600;margin-bottom:12px}
.steps p{color:var(--muted);margin:0}

details{border-bottom:1px solid var(--line);padding:4px 0}
summary{cursor:pointer;font-weight:600;padding:12px 0;min-height:48px;display:flex;align-items:center}
details p{color:var(--muted)}

.form{display:grid;gap:4px;margin-top:16px}
.field label{display:block;font-weight:600;margin-bottom:4px}
.err,.form-err{color:var(--bad);font-size:.9rem;min-height:1.4em;margin:2px 0 6px}
.form-err:empty{min-height:0;margin:0}
.warn-line{font-size:1.05rem}
.ok-msg{color:var(--good);font-weight:600;margin:8px 0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.statements{padding-left:20px}
.statements li{margin-bottom:10px}

.foot{padding:28px 0;color:var(--muted);font-size:.9rem}
.foot-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}