/* Shared styles. The interactive tools (geo/roas/scorecard) keep their own
   self-contained <style> blocks; this file covers everything Jekyll renders. */

:root{
  --ink:#1a2333;
  --accent:#1D6FA3;
  --soft:#eef4f8;
  --good:#1e8e5a;
  --warn:#c98a1b;
  --bad:#c0392b;
  --purple:#7a5ea8;
  --muted:#51607a;
  --line:#dde7ee;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{
  font-family:'Segoe UI',system-ui,-apple-system,sans-serif;
  background:linear-gradient(160deg,#f7fafc,#e8f0f6);
  background-attachment:fixed;
  color:var(--ink);
  min-height:100vh;
  line-height:1.6;
}
.wrap{max-width:820px;margin:0 auto;padding:40px 20px 0;}

/* ---------- nav ---------- */
.sitenav{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 18px;margin-bottom:34px;font-size:.93rem;}
.sitenav .brand{font-weight:800;color:var(--ink);text-decoration:none;margin-right:6px;letter-spacing:-.01em;}
.sitenav a{color:var(--accent);text-decoration:none;font-weight:600;}
.sitenav a:hover{text-decoration:underline;}
.sitenav a.on{color:var(--ink);border-bottom:2px solid var(--accent);padding-bottom:2px;}
.sitenav .spacer{flex:1;}

/* ---------- headings & prose ---------- */
h1{font-size:2rem;line-height:1.2;letter-spacing:-.015em;}
h1 span{color:var(--accent);}
.lede{color:#41506a;font-size:1.05rem;line-height:1.6;margin:14px 0 30px;max-width:660px;}
h2{font-size:1.28rem;margin:40px 0 10px;letter-spacing:-.01em;}
h3{font-size:1.04rem;margin:24px 0 6px;}
.h2sub{color:var(--muted);font-size:.95rem;margin:-4px 0 18px;}

.card{background:#fff;border-radius:14px;padding:26px;box-shadow:0 4px 18px rgba(26,35,51,.06);font-size:.98rem;color:#2b3850;}
.card > *+*{margin-top:14px;}
.card ul,.card ol{margin-left:20px;}
.card li{margin-bottom:8px;}
.card li:last-child{margin-bottom:0;}
.card a{color:var(--accent);font-weight:600;}
.card h3:first-child{margin-top:0;}

/* ---------- lane accents ---------- */
.lane-seo{--lane:var(--accent);}
.lane-paid{--lane:var(--good);}
.lane-lifecycle{--lane:var(--purple);}
.lane-journey{--lane:var(--warn);}
.lane-hero{border-left:5px solid var(--lane,var(--accent));padding-left:20px;margin-bottom:8px;}
.eyebrow{display:inline-block;font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:var(--lane,var(--accent));padding:4px 10px;border-radius:20px;margin-bottom:12px;}

/* ---------- lane / tool grids ---------- */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.grid.three{grid-template-columns:repeat(3,1fr);}
@media(max-width:680px){.grid,.grid.three{grid-template-columns:1fr;}}
.tile{background:#fff;border-radius:14px;padding:22px;box-shadow:0 4px 18px rgba(26,35,51,.06);display:flex;flex-direction:column;text-decoration:none;color:var(--ink);transition:.15s;border-top:4px solid var(--lane,var(--accent));}
.tile:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(26,35,51,.12);}
.tile h3{font-size:1.04rem;margin:0 0 8px;}
.tile p{font-size:.89rem;color:var(--muted);line-height:1.5;flex:1;}
.tile .go{margin-top:14px;font-weight:700;color:var(--lane,var(--accent));font-size:.9rem;}

/* not-yet-built tools: visibly inert, no hover lift, no pointer */
.tile-soon{border-top-style:dashed;background:#fbfcfd;box-shadow:0 2px 10px rgba(26,35,51,.04);}
.tile-soon:hover{transform:none;box-shadow:0 2px 10px rgba(26,35,51,.04);}
.tile-soon h3{color:#51607a;}
.go.soon{color:#8ea2b5;font-weight:700;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;}

/* ---------- hero ---------- */
.hero-banner{
  display:block;width:100%;height:auto;
  margin:26px 0 4px;border-radius:14px;
}
@media(max-width:700px){
  /* A 1.9:1 banner on a phone renders the face about 90px tall. Re-crop toward
     the portrait side so she stays the subject; the circuit art is atmosphere
     and can be sacrificed. Art direction in CSS rather than a second file. */
  .hero-banner{
    aspect-ratio:5/4;object-fit:cover;object-position:26% center;
  }
}

/* ---------- portrait (about page) ---------- */
/* The source art sets the site URL beneath the portrait, which is redundant on
   the site itself. Crop it with object-position rather than re-cutting the
   file, so the original stays intact and reversible. */
.portrait{
  display:block;width:100%;max-width:240px;height:auto;
  aspect-ratio:1024/872;object-fit:cover;object-position:center top;
  border-radius:14px;float:right;margin:0 0 18px 22px;
}
@media(max-width:640px){
  .portrait{float:none;margin:0 auto 20px;max-width:220px;}
}

/* ---------- inline SVG diagrams ---------- */
/* Authored as SVG rather than raster so the labels stay crawlable, stay sharp
   on retina, and weigh a few KB. The text inside is real <text>, not pixels. */
.figure{margin:22px 0 30px;}
.figure-svg{display:block;width:100%;height:auto;}
.figure figcaption{margin-top:10px;font-size:.85rem;color:var(--muted);line-height:1.5;}
@media(max-width:640px){
  /* the three-column engine map gets unreadable below ~560px; let it scroll */
  .figure.scroll-sm{overflow-x:auto;}
  .figure.scroll-sm .figure-svg{min-width:560px;}
}

/* ---------- table of contents ---------- */
.toc{background:var(--soft);border-radius:14px;padding:20px 24px;margin:26px 0 34px;border-left:4px solid var(--accent);}
.toc h2{font-size:.78rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin:0 0 10px;}
.toc ul{list-style:none;margin:0;}
.toc ul ul{margin-left:16px;margin-top:5px;}
.toc li{margin-bottom:7px;line-height:1.45;}
.toc a{color:var(--accent);text-decoration:none;font-weight:600;font-size:.93rem;}
.toc a:hover{text-decoration:underline;}
.toc ul ul a{font-weight:500;font-size:.89rem;color:#41506a;}

/* ---------- FAQ ---------- */
.faq{margin-top:44px;padding-top:8px;}
.faq .faq-item{background:#fff;border-radius:12px;padding:20px 22px;box-shadow:0 4px 18px rgba(26,35,51,.06);margin-bottom:12px;}
.faq .faq-item h3{margin:0 0 8px;font-size:1rem;line-height:1.4;color:var(--ink);}
.faq .faq-item p{font-size:.95rem;color:#2b3850;line-height:1.6;}
.faq .faq-item p+p{margin-top:10px;}

/* ---------- post / article body ---------- */
.post-body{font-size:1.02rem;color:#2b3850;}
.post-body > *+*{margin-top:16px;}
.post-body h2{scroll-margin-top:20px;}
.post-body h3{scroll-margin-top:20px;}
.post-body ul,.post-body ol{margin-left:22px;}
.post-body li{margin-bottom:8px;}
.post-body a{color:var(--accent);font-weight:600;}
.post-body blockquote{border-left:4px solid var(--accent);background:var(--soft);padding:14px 18px;border-radius:0 10px 10px 0;color:#41506a;}
.post-body code{background:var(--soft);padding:2px 6px;border-radius:5px;font-size:.9em;}
.post-body pre{background:#1a2333;color:#e8f0f6;padding:16px;border-radius:10px;overflow-x:auto;}
.post-body pre code{background:none;padding:0;color:inherit;}
.post-body img{max-width:100%;height:auto;border-radius:10px;}
.post-body table{width:100%;border-collapse:collapse;font-size:.93rem;}
.post-body th,.post-body td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);}
.post-body th{background:var(--soft);font-weight:700;}
.table-scroll{overflow-x:auto;}

.post-meta{font-size:.86rem;color:var(--muted);margin:10px 0 0;display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.pill{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:4px 10px;border-radius:20px;background:var(--soft);color:var(--accent);text-decoration:none;}
.pill.c-good{color:var(--good);} .pill.c-purple{color:var(--purple);}
a.pill:hover{background:#e2ecf4;}

/* ---------- blog listing ---------- */
.post-list{list-style:none;margin:0;}
.post-list li{background:#fff;border-radius:14px;padding:22px 24px;box-shadow:0 4px 18px rgba(26,35,51,.06);margin-bottom:14px;}
.post-list h3{margin:8px 0 6px;font-size:1.1rem;line-height:1.35;}
.post-list h3 a{color:var(--ink);text-decoration:none;}
.post-list h3 a:hover{color:var(--accent);}
.post-list p{font-size:.93rem;color:var(--muted);line-height:1.55;}
.cat-nav{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 34px;}
.empty{background:#fff;border-radius:14px;padding:24px;box-shadow:0 4px 18px rgba(26,35,51,.06);color:var(--muted);font-size:.95rem;}

/* ---------- cta & footer ---------- */
.cta{margin-top:40px;padding:22px 24px;background:var(--soft);border-radius:14px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:.97rem;}
.cta a{color:var(--accent);font-weight:700;text-decoration:none;}
footer.sitefoot{margin-top:52px;padding:20px 0 40px;border-top:1px solid var(--line);font-size:.85rem;color:#7a8699;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;}
footer.sitefoot a{color:var(--accent);text-decoration:none;}

@media(max-width:700px){
  h1{font-size:1.65rem;}
  .wrap{padding-top:28px;}
  /* The flex spacer pushes "About" onto a line of its own once the nav wraps,
     which reads as broken. Drop it and let the links flow. */
  .sitenav .spacer{display:none;}
  .sitenav{gap:10px 14px;font-size:.9rem;}
  .sitenav .brand{flex-basis:100%;margin-right:0;}
}