:root{--ink:#17233d;--muted:#657089;--blue:#2f6fed;--cyan:#45c8d8;--bg:#f7f9fc;--card:#fff;--line:#e4e9f2;--green:#1f9d70}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.65}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(1120px,92%);margin:auto}
header{position:sticky;top:0;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);z-index:5}.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}.brand{font-weight:900;color:var(--ink);font-size:1.25rem}.brand span{color:var(--blue)}nav{display:flex;gap:18px;flex-wrap:wrap}nav a{color:var(--ink);font-weight:650;font-size:.94rem}
.hero{padding:74px 0 56px;background:linear-gradient(135deg,#f6f9ff,#effcff)}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:42px;align-items:center}
.eyebrow{font-weight:800;color:var(--blue);text-transform:uppercase;letter-spacing:.08em;font-size:.78rem}h1{font-size:clamp(2.35rem,6vw,4.7rem);line-height:1.02;margin:.18em 0}.lead{font-size:1.18rem;color:var(--muted);max-width:760px}
.btn{display:inline-block;background:var(--blue);color:#fff;padding:13px 19px;border-radius:10px;font-weight:800;margin:8px 8px 8px 0}.btn:hover{text-decoration:none;filter:brightness(.96)}.btn.alt{background:#fff;color:var(--ink);border:1px solid var(--line)}
.hero-card,.card,.callout,.toc{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 32px rgba(23,35,61,.06)}.hero-card{padding:26px}.hero-card strong{font-size:1.1rem}.check{padding:0;list-style:none}.check li{margin:10px 0}.check li:before{content:"✓";color:var(--green);font-weight:900;margin-right:9px}
main{min-height:65vh}.section{padding:54px 0}.section.gray{background:var(--bg)}h2{font-size:2rem;line-height:1.2;margin-top:0}h3{line-height:1.25}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{padding:22px}.card h3{margin-top:0}.tag{display:inline-block;background:#edf3ff;color:var(--blue);padding:4px 9px;border-radius:999px;font-size:.78rem;font-weight:800}
.article{width:min(820px,92%);margin:auto;padding:46px 0 70px}.article h1{font-size:clamp(2.25rem,5vw,3.7rem)}.article h2{margin-top:42px}.article h3{margin-top:28px}.meta{color:var(--muted);font-size:.92rem}.callout,.toc{padding:20px;margin:26px 0}.callout{border-left:5px solid var(--blue)}table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.95rem}th,td{padding:12px;border:1px solid var(--line);text-align:left;vertical-align:top}th{background:var(--bg)}
.breadcrumbs{font-size:.88rem;color:var(--muted);margin-bottom:24px}.disclosure{font-size:.9rem;background:#fff8e7;border:1px solid #f2d48c;padding:12px 15px;border-radius:10px}.related{border-top:1px solid var(--line);margin-top:48px;padding-top:28px}
footer{background:#111a2c;color:#d8dfec;padding:36px 0}footer a{color:#fff}.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
@media(max-width:780px){.hero-grid,.grid,.foot{grid-template-columns:1fr}.nav{align-items:flex-start;flex-direction:column}.hero{padding-top:45px}nav{gap:12px}table{font-size:.84rem}}

/* Local Leverage-inspired authority presentation */
.mega-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}
.mini-stat{padding:16px;border-top:2px solid var(--blue);background:#fff}.mini-stat b{display:block;font-size:1.02rem}.mini-stat span{color:var(--muted);font-size:.88rem}
.path{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-weight:850}.path span{padding:9px 12px;border:1px solid var(--line);border-radius:999px;background:#fff}
.money{border-top:4px solid var(--blue)}.kicker{font-size:.8rem;text-transform:uppercase;letter-spacing:.09em;color:var(--blue);font-weight:850}
.exit-overlay{position:fixed;inset:0;background:rgba(10,18,34,.64);display:none;align-items:center;justify-content:center;padding:20px;z-index:100}.exit-overlay.show{display:flex}
.exit-modal{width:min(560px,96%);background:#fff;border-radius:20px;padding:30px;box-shadow:0 30px 90px rgba(0,0,0,.3);position:relative}.exit-modal h2{font-size:2rem;margin:.25em 0}.exit-close{position:absolute;right:16px;top:12px;border:0;background:transparent;font-size:1.8rem;cursor:pointer;color:var(--muted)}
@media(max-width:780px){.mega-strip{grid-template-columns:1fr 1fr}.exit-overlay{display:none!important}}

/* Digital Launch Lab — dark editorial system */
:root{
  --ink:#f4f7ff;--muted:#9aa7bd;--blue:#7c5cff;--cyan:#20d7e5;
  --bg:#080b12;--card:#101622;--line:#232d3d;--green:#34d399;
}
html{background:#080b12;color-scheme:dark}
body{background:#080b12;color:var(--ink)}
header{background:rgba(8,11,18,.88);border-color:rgba(255,255,255,.08);backdrop-filter:blur(18px)}
.brand,nav a{color:#f7f8ff}.brand span{color:#9c8cff}
.hero{background:
 radial-gradient(circle at 15% 20%,rgba(124,92,255,.22),transparent 34%),
 radial-gradient(circle at 86% 25%,rgba(32,215,229,.12),transparent 28%),
 linear-gradient(180deg,#0b0f18,#080b12)}
.hero h1{letter-spacing:-.055em}.lead,.meta,.breadcrumbs{color:var(--muted)}
.section{background:#080b12}.section.gray{background:#0b1019}
.card,.hero-card,.callout,.toc,.mini-stat{background:linear-gradient(180deg,rgba(20,27,42,.96),rgba(13,18,29,.96));border-color:rgba(255,255,255,.09);box-shadow:0 20px 55px rgba(0,0,0,.2)}
.card{transition:transform .18s ease,border-color .18s ease}.card:hover{transform:translateY(-3px);border-color:rgba(124,92,255,.5)}
.tag{background:rgba(124,92,255,.13);color:#b7aaff;border:1px solid rgba(124,92,255,.2)}
a{color:#9c8cff}.btn{background:linear-gradient(135deg,#7657ff,#5b8cff);box-shadow:0 10px 30px rgba(108,87,255,.25)}
.btn.alt{background:#121927;color:#eef2ff;border-color:#293348}
.disclosure{background:#15130e;border-color:#5c4b21;color:#e8d9ae}
table th{background:#111827}th,td{border-color:#283244}
footer{background:#05070c;border-top:1px solid #171e2a}
.exit-overlay{background:rgba(0,0,0,.78);backdrop-filter:blur(8px)}
.exit-modal{background:linear-gradient(145deg,#141b29,#0b1018);border:1px solid #2c3650;box-shadow:0 35px 110px rgba(0,0,0,.62)}
.exit-close{color:#9aa7bd}
.path span{background:#101622;border-color:#293348}
.kicker,.eyebrow{color:#8d7aff}
.silo-map{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:25px 0}
.silo-node{background:#0f1520;border:1px solid #253044;border-radius:14px;padding:16px}
.silo-node b{display:block;color:#fff;margin-bottom:5px}.silo-node small{color:var(--muted)}
.silo-rule{padding:16px 18px;border-left:3px solid var(--blue);background:#0e1420;border-radius:0 12px 12px 0;color:#c7d0e0}
@media(max-width:900px){.silo-map{grid-template-columns:1fr 1fr}}@media(max-width:520px){.silo-map{grid-template-columns:1fr}}

/* Local-Leverage-style silo mega navigation */
header .wrap.nav{width:min(1320px,96%);max-width:none}
.mega-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.mega-nav details{position:relative}
.mega-nav summary,.nav-link{list-style:none;cursor:pointer;padding:10px 11px;border-radius:9px;color:#eef2ff;font-size:.88rem;font-weight:750}
.mega-nav summary::-webkit-details-marker{display:none}.mega-nav summary:hover,.nav-link:hover{background:#121a29;text-decoration:none}
.mega-menu{position:absolute;top:44px;left:0;width:290px;padding:12px;background:#0d131e;border:1px solid #2a3548;border-radius:14px;box-shadow:0 25px 70px rgba(0,0,0,.55);display:grid;z-index:50}
.mega-menu>div{padding:8px 10px 11px;border-bottom:1px solid #202a3a;margin-bottom:5px}.mega-menu b{display:block}.mega-menu small{color:#8390a5}
.mega-menu a{padding:9px 10px;border-radius:8px;color:#dce4f5}.mega-menu a:hover{background:#151e2d;text-decoration:none}.mega-menu em{font-style:normal;color:#9c8cff;font-size:.72rem;text-transform:uppercase;margin-left:5px}
.guide-meta{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 24px}.guide-meta span{padding:7px 10px;background:#0f1622;border:1px solid #263248;border-radius:999px;color:#aeb9cc;font-size:.82rem}
.intent-line{padding:14px 16px;background:#0d1420;border:1px solid #222e42;border-radius:12px;color:#b8c3d7;margin:18px 0}
.takeaways{display:grid;gap:8px;margin:20px 0}.takeaways div{padding:11px 14px;background:#0e151f;border-left:3px solid #34d399;border-radius:0 8px 8px 0}
.cluster-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:20px 0}.cluster-card{display:block;padding:15px;border:1px solid #253047;border-radius:12px;background:#0e1520}.cluster-card b{display:block;color:#fff}.cluster-card small{color:#8f9bb0}
.tocbox{padding:18px 20px;background:#0d131d;border:1px solid #253047;border-radius:14px;margin:25px 0}.tocbox b{display:block;margin-bottom:7px}.tocbox a{margin-right:12px}
.article p,.article li{font-size:1.04rem}.article{width:min(900px,92%)}
@media(max-width:980px){.mega-nav{display:none}.cluster-grid{grid-template-columns:1fr}}

.deep-guide{margin-top:34px}.deep-guide h2{font-size:2.1rem;margin-bottom:24px}.deep-guide h3{font-size:1.3rem;margin-top:30px;margin-bottom:8px;color:#f6f8ff}
.deep-guide p{color:#c6cfde;line-height:1.82;max-width:78ch}
.article>p{max-width:78ch}.article h2{scroll-margin-top:100px}

.depth-layer,.planning-appendix{margin-top:42px}.depth-layer h2,.planning-appendix h2{margin-top:42px}
.framework-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:22px 0 30px}
.framework-grid>div{padding:16px;background:#0d1420;border:1px solid #253047;border-radius:12px}
.framework-grid b{display:block;color:#fff;margin-bottom:4px}.framework-grid span{color:#98a6bb;font-size:.9rem}
.checklist li{margin:12px 0;padding-left:5px;line-height:1.7}.planning-appendix{padding-top:8px;border-top:1px solid #263044}
@media(max-width:700px){.framework-grid{grid-template-columns:1fr}}