/* ==========================================================================
   silou.dev — shared stylesheet
   Direction A — "Editorial Practitioner": warm paper, ink, one oxblood accent,
   serif display + system sans body + mono small-caps labels.
   One flat colour system — warm neutrals plus a single oxblood. No emoji.
   ========================================================================== */

:root{
  --paper:#FBFAF7; --ink:#1A1A17; --muted:#6E6A61; --hair:#E4E0D6;
  --accent:#8A2B1E;              /* oxblood — the single accent */
  --accent-soft:#f3e7e4;
  --panel:#ffffff; --panel-tint:#f6f3ec;
  --radius:6px;
  --serif:"Iowan Old Style","Palatino Linotype","Source Serif 4",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,"IBM Plex Mono",Consolas,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font:16.5px/1.65 var(--sans);-webkit-font-smoothing:antialiased;}

/* ---- layout -------------------------------------------------------------- */
.wrap{max-width:820px;margin:0 auto;padding:0 24px}
main{min-height:60vh}
section{padding:44px 0;border-top:1px solid var(--hair)}
section:first-of-type{border-top:0}

/* ---- type ---------------------------------------------------------------- */
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.18;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.6vw,44px);margin:0 0 14px}
h2{font-size:27px;margin:0 0 8px}
h3{font-size:20px;margin:0 0 8px}
h4{font-family:var(--sans);font-size:16px;font-weight:700;margin:22px 0 6px}
p{margin:0 0 14px}
a{color:var(--accent);text-decoration:none;text-underline-offset:2px}
a:hover{text-decoration:underline}
strong{font-weight:650}
.lead{font-size:19px;color:var(--muted);font-family:var(--serif);max-width:62ch}
.sub{color:var(--muted);margin:0 0 22px;max-width:64ch}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);margin:0 0 14px}
code{font-family:var(--mono);font-size:.86em;background:var(--panel-tint);
  border:1px solid var(--hair);border-radius:4px;padding:1px 5px}

/* ---- nav (real destinations, active underline per file) ------------------ */
nav{border-bottom:1px solid var(--hair);background:var(--paper);position:sticky;top:0;z-index:10}
nav .wrap{display:flex;align-items:center;justify-content:space-between;
  height:60px;gap:16px}
nav .brand{font-family:var(--mono);font-weight:600;letter-spacing:.02em;
  color:var(--ink);font-size:16px}
nav .brand:hover{text-decoration:none}
nav .brand .dot{color:var(--accent)}
.navlinks{display:flex;gap:22px;flex-wrap:wrap}
.navlinks a{font-size:14.5px;color:var(--muted);padding:4px 0;
  border-bottom:2px solid transparent}
.navlinks a:hover{color:var(--ink);text-decoration:none}
.navlinks a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--accent)}

/* ---- hero ---------------------------------------------------------------- */
header.hero{padding:64px 0 8px}
header.hero h1{max-width:16ch}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ---- buttons (flat, hairline — no gradient) ------------------------------ */
.btn{display:inline-block;font:600 15px/1 var(--sans);padding:13px 20px;
  border-radius:var(--radius);border:1px solid var(--accent);cursor:pointer}
.btn.primary{background:var(--accent);color:var(--paper)}
.btn.primary:hover{background:#75241a;text-decoration:none}
.btn.ghost{background:transparent;border-color:var(--hair);color:var(--ink)}
.btn.ghost:hover{border-color:var(--ink);text-decoration:none}

/* ---- capability cards (hairline, no faint fill) -------------------------- */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:720px){.g3,.g2{grid-template-columns:1fr}}
.cap{border-top:2px solid var(--ink);padding-top:14px}
.cap h3{font-family:var(--sans);font-size:17px;font-weight:700;margin:0 0 6px}
.cap p{margin:0;color:var(--muted);font-size:14.5px}

/* ---- offer cards --------------------------------------------------------- */
.offer{border:1px solid var(--hair);border-radius:var(--radius);
  padding:22px;background:var(--panel);display:flex;flex-direction:column}
.offer .tag{font-family:var(--mono);font-size:10.5px;text-transform:uppercase;
  letter-spacing:.1em;color:var(--muted);border:1px solid var(--hair);
  border-radius:999px;padding:2px 9px;align-self:flex-start;margin-bottom:12px}
.offer h3{font-family:var(--sans);font-size:18px;font-weight:700;margin:0 0 10px}
.offer .desc{margin:0;color:var(--muted);font-size:14.5px}
.offer-foot{margin-top:auto;padding-top:18px;display:flex;flex-direction:column;gap:12px}
.offer .price{font-family:var(--mono);font-weight:600;font-size:17px;color:var(--ink);
  font-variant-numeric:tabular-nums}
.offer .price .from{color:var(--muted);font-size:12px;font-weight:400;
  text-transform:uppercase;letter-spacing:.08em;margin-right:4px}
.btn-book{text-align:center;font-size:14px;padding:11px 16px;width:100%}
.btn.is-disabled{opacity:.55;pointer-events:none;border-color:var(--hair);
  color:var(--muted);cursor:not-allowed}

/* ---- engagement list (SMB / enterprise → "let's talk") ------------------- */
.engagements{list-style:none;padding:0;margin:14px 0 0}
.engagements li{display:grid;grid-template-columns:210px 1fr;gap:6px 24px;
  padding:16px 0;border-bottom:1px solid var(--hair);align-items:baseline}
.engagements li:last-child{border-bottom:0}
.engagements b{font-size:15.5px}
.engagements span{color:var(--muted);font-size:14.5px}
@media(max-width:600px){.engagements li{grid-template-columns:1fr;gap:4px}}

/* ---- booking panel ------------------------------------------------------- */
.booking{border:1px solid var(--hair);border-radius:var(--radius);
  background:var(--panel);padding:28px;text-align:center;margin-top:8px}
.booking p{color:var(--muted)}

/* ---- note / callout (hairline + oxblood rule, not amber TODO) ------------ */
.note{border:1px solid var(--hair);border-left:3px solid var(--accent);
  background:var(--panel);border-radius:4px;padding:14px 16px;margin:18px 0;
  font-size:14px;color:var(--muted)}
.note strong{color:var(--ink)}

/* ---- lab / working-notes list ------------------------------------------- */
.notes-list{list-style:none;padding:0;margin:0}
.notes-list li{padding:18px 0;border-bottom:1px solid var(--hair)}
.notes-list li:last-child{border-bottom:0}
.notes-list h3{margin:0 0 6px}
.notes-list p{margin:0;color:var(--muted);font-size:14.5px}
.wip{font-family:var(--mono);font-size:10.5px;text-transform:uppercase;
  letter-spacing:.1em;color:var(--accent);border:1px solid var(--accent-soft);
  background:var(--accent-soft);border-radius:999px;padding:2px 8px;
  margin-left:8px;vertical-align:middle}

/* ---- footer -------------------------------------------------------------- */
footer{border-top:1px solid var(--hair);padding:36px 0;
  color:var(--muted);font-size:14px}
footer a{color:var(--muted)}
footer a:hover{color:var(--ink)}
footer .row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
footer .tag-line{margin-top:10px;font-size:12.5px;color:var(--muted)}

/* ---- prose helpers ------------------------------------------------------- */
.prose p, .prose li{max-width:66ch}
.prose ul{padding-left:20px}
.prose li{margin:6px 0}
.spaced{margin-top:36px}

/* ---- mobile-first refinements (most traffic is phones) ------------------- */
@media(max-width:560px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  section{padding:30px 0}
  header.hero{padding:38px 0 4px}
  h1{font-size:clamp(26px,7.6vw,34px)}
  h2{font-size:22px}
  h3{font-size:19px}
  .lead{font-size:17.5px}
  /* nav wraps gracefully instead of cramming into one row */
  nav .wrap{height:auto;min-height:56px;flex-wrap:wrap;gap:6px 18px;
    padding-top:10px;padding-bottom:10px}
  .navlinks{gap:18px}
  /* stacked, full-width CTAs = bigger tap targets */
  .cta-row{flex-direction:column;align-items:stretch}
  .cta-row .btn{width:100%;text-align:center}
  .offer{padding:18px}
  .booking{padding:20px 18px}
  .note{padding:13px 14px}
}