:root{
  --paper:#F4F5F7; --paper-2:#E9EBEF; --sheet:#FFFFFF; --bg-dark:#0E1218;
  --ink:#10151C; --ink-read:#232B36; --ink-2:#39434F; --muted:#5F6975;
  --line:rgba(16,21,28,.12); --line-soft:rgba(16,21,28,.07);
  --accent:#1F5AE0; --accent-ink:#1A48B5;
  --accent-tint:rgba(31,90,224,.10); --accent-mark:rgba(31,90,224,.14);
  --ink-inv:#FBFCFD;
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--paper);color:var(--ink-read);font-family:'Instrument Sans',system-ui,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;color:var(--ink);letter-spacing:-.01em;line-height:1.15}
.mono{font-family:'IBM Plex Mono',monospace}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}

/* header */
header{border-bottom:1px solid var(--line);background:var(--paper)}
header .wrap{display:flex;justify-content:space-between;align-items:baseline;padding-top:20px;padding-bottom:20px}
.wordmark{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:22px;color:var(--ink);letter-spacing:-.02em;text-decoration:none}
.wordmark span{color:var(--accent)}
header .tag{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
header .tag a{color:var(--accent-ink);text-decoration:none;font-family:'IBM Plex Mono',monospace}

/* hero */
.hero{background:var(--paper-2);border-bottom:1px solid var(--line);padding:72px 0 64px}
.kicker{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:18px}
.hero h1{font-size:clamp(30px,4.6vw,52px);font-weight:700;max-width:22ch;margin-bottom:20px}
.hero p{max-width:60ch;font-size:17px;color:var(--ink-2);margin-bottom:28px}
.btn{display:inline-block;background:var(--accent-ink);color:var(--ink-inv);text-decoration:none;font-weight:600;font-size:14px;padding:12px 20px;border-radius:.2rem}
.btn:hover{background:#153996}
.btn-ghost{background:transparent;color:var(--accent-ink);border:1px solid var(--line);margin-left:10px}

/* sections */
section{padding:56px 0;border-bottom:1px solid var(--line)}
h2{font-size:26px;margin-bottom:8px}
.lede{color:var(--ink-2);max-width:62ch;margin-bottom:32px}
.grid{display:grid;gap:16px}
@media(min-width:720px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--sheet);border:1px solid var(--line-soft);border-radius:.2rem;padding:24px}
.card h3{font-size:17px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--ink-2)}
.meta{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--muted);margin-top:14px}
.chip{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:11.5px;padding:4px 10px;border-radius:.2rem;background:rgba(16,21,28,.06);color:var(--ink-2);margin-right:6px;margin-bottom:6px}
.chip.accent{background:var(--accent-tint);color:var(--accent-ink)}

/* engagements */
.eng .ref{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted);display:block;margin-bottom:10px}
.eng .price{font-family:'IBM Plex Mono',monospace;font-size:14px;color:var(--accent-ink);margin-top:12px;display:block}

/* principles list */
ul.princ{list-style:none}
ul.princ li{background:var(--sheet);border:1px solid var(--line-soft);border-radius:.2rem;padding:16px 20px;margin-bottom:10px;display:flex;gap:18px;align-items:baseline}
ul.princ li .n{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--accent-ink);flex-shrink:0}
ul.princ li strong{color:var(--ink);font-weight:600}
hl{background:var(--accent-mark);padding:0 2px}

/* footer */
footer{background:var(--bg-dark);color:var(--ink-inv);padding:56px 0 40px}
footer .wordmark{color:var(--ink-inv)}
footer .wordmark span{color:var(--accent)}
footer p{color:rgba(251,252,253,.72);max-width:52ch;font-size:14.5px;margin:14px 0 24px}
footer .sig{font-family:'IBM Plex Mono',monospace;font-size:13px;color:rgba(251,252,253,.55);letter-spacing:.06em}
footer a{color:var(--ink-inv)}
footer .btn{margin-top:8px}