/* ==========================================================================
   Keyvarn — shared design system
   Extracted from the canonical flagship salespage. Link from every page:
     <link rel="stylesheet" href="/assets/keyvarn.css">
   Tokens are immutable across the brand. Brand: "Applied AI. Shipped, not taught."
   ========================================================================== */

:root{
  --ink:#0E1116; --ink-2:#171C24; --ink-3:#222936;
  --paper:#F7F8FA; --paper-2:#FFFFFF;
  --line:#E4E8EE; --line-dark:#2A313C;
  --text:#0E1116; --muted:#5B6573; --muted-light:#9AA3B0;
  --indigo:#3A5BFF; --indigo-2:#5B77FF; --indigo-deep:#1E2C8F;
  --green:#0FA968;
  --maxw:1080px; --rad:14px;
  --shadow:0 1px 2px rgba(14,17,22,.04),0 8px 30px rgba(14,17,22,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--text);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;font-size:17px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:820px;margin:0 auto;padding:0 24px}
.mono{font-family:'IBM Plex Mono',ui-monospace,Menlo,monospace}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(2.1rem,5.2vw,3.7rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem);letter-spacing:-.025em}
h3{font-size:1.18rem;font-weight:700;letter-spacing:-.01em}
p{color:var(--ink-2)}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--indigo);font-weight:500}
a{color:inherit}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(14,17,22,.86);backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid var(--line-dark)}
.nav{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:10px;color:var(--paper);text-decoration:none}
.brand svg{display:block}
.brand .wm{font-weight:800;letter-spacing:.16em;font-size:1.02rem}
.brand .wm .x{color:var(--indigo-2)}
.nav .cta-sm{font-size:.92rem;font-weight:600;color:var(--ink);background:var(--paper);padding:9px 16px;border-radius:9px;text-decoration:none;transition:transform .15s ease,background .15s}
.nav .cta-sm:hover{transform:translateY(-1px);background:#fff}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--indigo);color:#fff;font-weight:700;font-size:1.05rem;padding:16px 26px;border-radius:11px;text-decoration:none;border:0;cursor:pointer;transition:transform .15s ease,box-shadow .15s,background .15s;box-shadow:0 10px 30px rgba(58,91,255,.35)}
.btn:hover{transform:translateY(-2px);background:#2f50f0;box-shadow:0 14px 38px rgba(58,91,255,.45)}
.btn.ghost{background:transparent;color:var(--ink-2);box-shadow:none;border:1px solid var(--line)}
.btn.ghost:hover{background:var(--paper);transform:none;box-shadow:none}
.btn.dark{background:var(--ink)}
.btn.dark:hover{background:#000}
.btn .price{font-family:'IBM Plex Mono',monospace;opacity:.92}

/* Bits */
.dot{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block}
.trust{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:30px;color:#9AA3B0;font-size:.86rem;font-family:'IBM Plex Mono',monospace}
.trust span{display:inline-flex;align-items:center;gap:7px}
.guartag{color:var(--muted-light);font-size:.92rem}
section{padding:78px 0}
.lead{font-size:1.15rem;color:var(--muted);max-width:62ch;margin-top:16px}
.section-head{max-width:58ch}
.section-head h2{margin-top:10px}

/* Footer */
footer{background:var(--ink);color:var(--muted-light);padding:40px 0;border-top:1px solid var(--line-dark);font-size:.86rem}
.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px}
.foot .brand .wm{font-size:.92rem}
.foot a{color:var(--muted-light);text-decoration:none}
.foot a:hover{color:#fff}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.fine{font-size:.78rem;color:var(--muted-light)}

/* ── Thank-you / confirmation ───────────────────────────────────────────── */
.confirm{background:var(--ink);color:var(--paper);padding:80px 0 70px;position:relative;overflow:hidden}
.confirm::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 420px at 75% -10%,rgba(15,169,104,.20),transparent 60%);pointer-events:none}
.confirm .wrap{position:relative}
.confirm .check{width:54px;height:54px;border-radius:50%;background:rgba(15,169,104,.15);border:1px solid rgba(15,169,104,.5);color:var(--green);display:grid;place-items:center;font-size:1.5rem;margin-bottom:22px}
.confirm h1{color:#fff;max-width:18ch;font-size:clamp(1.9rem,4.4vw,3rem)}
.confirm .sub{color:#C4CBD6;font-size:1.12rem;max-width:58ch;margin-top:16px}
.confirm .sub b{color:#fff;font-weight:600}

.card{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:28px}
.card+.card{margin-top:22px}
.card h3{margin-bottom:6px}
.card .hint{color:var(--muted);font-size:.95rem}

/* Download list */
.dl-row{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.dl-row:last-child{border-bottom:0}
.dl-icon{flex:0 0 40px;height:40px;border-radius:10px;background:rgba(58,91,255,.10);color:var(--indigo);display:grid;place-items:center;font-weight:700;font-family:'IBM Plex Mono',monospace;font-size:.8rem}
.dl-row .meta{flex:1}
.dl-row .meta b{display:block;font-size:1rem}
.dl-row .meta span{color:var(--muted);font-size:.88rem}
.dl-row .go{font-weight:700;color:var(--indigo);text-decoration:none;font-size:.92rem;white-space:nowrap}
.dl-row .go:hover{text-decoration:underline}

/* Order summary */
.summary{display:flex;justify-content:space-between;align-items:baseline;padding:8px 0;color:var(--ink-2)}
.summary.total{border-top:1px solid var(--line);margin-top:8px;padding-top:14px;font-weight:700}
.summary .amt{font-family:'IBM Plex Mono',monospace}

/* Upsell / downsell */
.upsell{background:var(--paper-2)}
.upbox{border:1px solid var(--indigo);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.upbox .top{background:linear-gradient(180deg,#1E2C8F,#3A5BFF);color:#fff;padding:30px 32px}
.upbox .top .eyebrow{color:#C8D2FF}
.upbox .top h2{color:#fff;margin-top:8px;font-size:clamp(1.5rem,3vw,2.1rem)}
.upbox .body{padding:30px 32px;background:#fff}
.upbox .pricerow{display:flex;align-items:baseline;gap:14px;margin:6px 0 20px}
.upbox .now{font-size:2.4rem;font-weight:800;letter-spacing:-.03em;line-height:1}
.upbox .strike{color:var(--muted);text-decoration:line-through;font-family:'IBM Plex Mono',monospace}
.upbox ul{list-style:none;margin:18px 0 24px;display:grid;gap:12px}
.upbox li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-2);font-size:1rem}
.upbox li::before{content:"→";color:var(--indigo);font-weight:700}
.downsell{text-align:center;margin-top:20px;color:var(--muted);font-size:.95rem}
.downsell a{color:var(--indigo);font-weight:600;text-decoration:none}
.downsell a:hover{text-decoration:underline}

/* ── Legal / prose ──────────────────────────────────────────────────────── */
.legal{padding:64px 0 80px}
.legal .updated{font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:var(--muted-light);text-transform:uppercase;letter-spacing:.1em}
.legal h1{font-size:clamp(1.8rem,4vw,2.6rem);margin:10px 0 28px}
.legal h2{font-size:1.4rem;margin:36px 0 12px}
.legal h3{font-size:1.08rem;margin:22px 0 8px}
.legal p,.legal li{color:var(--ink-2);font-size:1rem;line-height:1.7}
.legal p{margin:10px 0}
.legal ul{margin:10px 0 10px 22px}
.legal li{margin:6px 0}
.legal a{color:var(--indigo)}
.legal .box{background:var(--paper-2);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:18px 0}
.legal .todo{background:rgba(58,91,255,.06);border:1px dashed var(--indigo);border-radius:8px;padding:2px 8px;font-family:'IBM Plex Mono',monospace;font-size:.85rem;color:var(--indigo-deep)}
.back{display:inline-block;margin-top:30px;color:var(--indigo);text-decoration:none;font-weight:600}
.back:hover{text-decoration:underline}

/* ── Portal (home) ──────────────────────────────────────────────────────── */
.portal-hero{background:var(--ink);color:var(--paper);padding:96px 0 80px;text-align:center;position:relative;overflow:hidden}
.portal-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 420px at 50% -10%,rgba(58,91,255,.22),transparent 60%)}
.portal-hero .wrap{position:relative}
.portal-hero h1{color:#fff;max-width:18ch;margin:14px auto 0}
.portal-hero .sub{color:#C4CBD6;font-size:1.18rem;max-width:60ch;margin:18px auto 0}
.kit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:48px}
.kit-card{display:block;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--rad);padding:28px;box-shadow:var(--shadow);text-decoration:none;color:inherit;transition:transform .15s ease,box-shadow .15s}
.kit-card:hover{transform:translateY(-3px);box-shadow:0 16px 44px rgba(14,17,22,.10)}
.kit-card .eyebrow{margin-bottom:10px}
.kit-card h3{font-size:1.25rem}
.kit-card p{color:var(--muted);font-size:.96rem;margin-top:8px}
.kit-card .more{color:var(--indigo);font-weight:700;font-size:.92rem;margin-top:14px;display:inline-block}

@media(max-width:860px){
  .kit-grid{grid-template-columns:1fr}
  .foot{flex-direction:column;align-items:flex-start}
  .nav .cta-sm{display:none}
}