:root{
  --bg:#f4f0e7;
  --bg-soft:#ebe5d8;
  --ink:#20252c;
  --muted:#666b70;
  --navy:#17263b;
  --navy-2:#223653;
  --gold:#a58a58;
  --line:rgba(32,37,44,.15);
  --white:#fffdf8;
  --max:1180px;
  --radius:20px;
  --shadow:0 18px 50px rgba(23,38,59,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}
a{color:inherit;text-decoration:none}
button,a{-webkit-tap-highlight-color:transparent}
.shell{width:min(calc(100% - 48px),var(--max));margin-inline:auto}
.section[id]{scroll-margin-top:92px}
.eyebrow{font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;font-weight:750;color:var(--gold)}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;font-weight:500;line-height:1.04;margin:0}
h1{font-size:clamp(3.5rem,7.2vw,7.2rem);letter-spacing:-.045em}
h2{font-size:clamp(2.4rem,4.5vw,4.8rem);letter-spacing:-.035em}
h3{font-size:clamp(1.5rem,2.4vw,2.3rem);letter-spacing:-.025em}
.lede{font-size:clamp(1.03rem,1.35vw,1.24rem);color:var(--muted);max-width:720px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;border-radius:999px;font-weight:750;font-size:.88rem;letter-spacing:.03em;border:1px solid transparent;transition:.2s ease}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{transform:translateY(-1px);background:var(--navy-2)}
.text-link{font-weight:700;border-bottom:1px solid var(--line);padding-bottom:3px}
.placeholder-link{opacity:.68;cursor:default}

/* Header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(244,240,231,.92);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:.2s}
.site-header.is-scrolled{border-color:var(--line)}
.nav{min-height:78px;display:flex;align-items:center;gap:28px}
.brand{font-family:Georgia,"Times New Roman",serif;font-size:1.1rem;font-weight:700;letter-spacing:.08em}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:22px;font-size:.85rem}
.lang{opacity:.72}
.menu-btn{display:none;margin-left:auto;border:0;background:none;font:inherit;font-weight:700}
.mobile-menu{display:none}

/* Shared sections */
.section{padding:112px 0}
.statement{font-family:Georgia,"Times New Roman",serif;font-size:clamp(2.3rem,4.4vw,4.8rem);line-height:1.02;margin-top:62px}
.num{font-size:.72rem;letter-spacing:.16em;color:var(--gold);font-weight:800}
.card-kicker{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);font-weight:800}
.section-note{margin:18px 0 0;color:var(--muted);font-size:.84rem}

/* Hero */
.hero{min-height:84vh;display:grid;align-items:center;padding:72px 0 104px}
.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:90px;align-items:center}
.hero-copy .lede{max-width:690px;margin:28px 0 32px}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.hero-note{margin-top:26px;color:var(--muted);font-size:.92rem}
.signal-visual{max-width:470px;margin-left:auto;padding:16px 0 0}
.signal-field{position:relative;height:330px;border-left:1px solid var(--line);border-bottom:1px solid var(--line);background-image:linear-gradient(to right,rgba(23,38,59,.04) 1px,transparent 1px),linear-gradient(to bottom,rgba(23,38,59,.04) 1px,transparent 1px);background-size:58px 58px;overflow:hidden}
.signal-field:after{content:"";position:absolute;width:74%;height:1px;left:13%;top:55%;background:rgba(23,38,59,.34);transform:rotate(-17deg);transform-origin:center}
.signal-node{position:absolute;width:13px;height:13px;background:var(--navy);border-radius:50%;z-index:2;box-shadow:0 0 0 5px var(--bg)}
.signal-node.n1{left:12%;top:72%}.signal-node.n2{left:27%;top:60%;width:9px;height:9px}.signal-node.n3{left:45%;top:57%}.signal-node.n4{left:59%;top:42%;width:9px;height:9px}.signal-node.n5{left:72%;top:36%}.signal-node.n6{left:86%;top:21%;width:9px;height:9px}
.signal-sequence{display:grid;grid-template-columns:auto 1fr auto 1fr auto;align-items:center;gap:12px;margin-top:22px;color:var(--navy);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;font-weight:800}
.signal-sequence b{height:1px;background:var(--line);overflow:hidden;color:transparent}

/* Problem */
.problem{border-top:1px solid var(--line)}
.problem .lede{margin:20px 0 54px}
.triptych{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.triptych>div{padding:30px 28px 36px 0}
.triptych>div+div{border-left:1px solid var(--line);padding-left:28px}
.triptych h3{font-family:Inter,system-ui,sans-serif;font-size:.96rem;letter-spacing:.08em;text-transform:uppercase;margin:14px 0 10px}

/* How BOL Works */
.method{background:var(--navy);color:#f6f1e7;padding:128px 0}
.method .eyebrow{color:#c7ac73}
.method-flow{position:relative;display:grid;grid-template-columns:1fr 1fr;margin-top:72px;padding:12px 0 18px}
.method-flow:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:rgba(255,255,255,.22)}
.method-step{position:relative;min-height:145px;background:transparent;border-top:1px solid rgba(255,255,255,.16)}
.method-step:nth-child(1){grid-column:1;grid-row:1;padding:26px 76px 42px 0;text-align:right}
.method-step:nth-child(2){grid-column:2;grid-row:2;padding:26px 0 42px 76px}
.method-step:nth-child(3){grid-column:1;grid-row:3;padding:26px 76px 42px 0;text-align:right}
.method-step:nth-child(4){grid-column:2;grid-row:4;padding:26px 0 42px 76px}
.method-step:nth-child(5){grid-column:1;grid-row:5;padding:26px 76px 42px 0;text-align:right}
.method-step:after{content:"";position:absolute;top:27px;width:11px;height:11px;border-radius:50%;background:#c7ac73;box-shadow:0 0 0 7px var(--navy)}
.method-step:nth-child(odd):after{right:-6px}.method-step:nth-child(even):after{left:-5px}
.method-step .num{color:#c7ac73}
.method-step h3{font-family:Inter,system-ui,sans-serif;font-size:.94rem;letter-spacing:.1em;text-transform:uppercase;margin:12px 0 8px}
.method-step p{color:rgba(246,241,231,.68);font-size:.94rem;margin:0;max-width:380px}
.method-step:nth-child(odd) p{margin-left:auto}
.method-anchor{margin-top:58px;max-width:850px;font-family:Georgia,"Times New Roman",serif;font-size:clamp(1.9rem,3.2vw,3.25rem)}

/* Start Free */
.start-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:24px;margin-top:50px}
.entry-card{border:1px solid var(--line);border-radius:var(--radius);padding:38px;min-height:330px;display:flex;flex-direction:column}
.entry-card.qss{background:var(--white);box-shadow:var(--shadow)}
.entry-card h3{margin:18px 0 14px}
.entry-card p{color:var(--muted)}
.entry-card .card-action{margin-top:auto;padding-top:28px}
.meta-row{display:flex;gap:16px;flex-wrap:wrap;font-size:.8rem;color:var(--muted);margin:18px 0 0}

/* Go Deeper */
.deeper{background:var(--bg-soft)}
.deeper-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;margin-top:48px}
.lane{padding-top:26px;border-top:1px solid var(--line)}
.status{display:inline-flex;margin:10px 0 14px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;font-size:.68rem;letter-spacing:.11em;font-weight:800;text-transform:uppercase}

/* Snapshot to Pattern */
.patterns{overflow:hidden;padding:132px 0}
.pattern-lede{margin:26px 0 0;max-width:720px}
.pattern-visual{position:relative;display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:stretch;gap:22px;margin-top:72px}
.pattern-visual:before{content:"";position:absolute;left:8%;right:8%;top:50%;height:1px;background:var(--line);z-index:0}
.pattern-state{position:relative;z-index:1;background:var(--bg);min-height:250px;padding:28px;border-top:1px solid var(--navy);display:flex;flex-direction:column;justify-content:space-between}
.pattern-state strong{font-family:Georgia,"Times New Roman",serif;font-weight:500;font-size:clamp(1.45rem,2.1vw,2.1rem)}
.pattern-arrow{align-self:center;position:relative;z-index:1;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:1rem}
.pattern-dots{display:flex;gap:18px;align-items:center;margin-top:28px;min-height:40px}
.dot{width:11px;height:11px;border-radius:50%;background:var(--navy)}
.dot.small{width:7px;height:7px}
.dot.light{opacity:.35}
.development-label{margin-top:66px;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;font-weight:800;color:var(--gold)}
.roadmap{margin-top:18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.roadmap span{position:relative;font-size:.78rem;padding:0 30px 0 0}
.roadmap span:not(:last-child):after{content:"→";position:absolute;right:13px;color:var(--gold)}
.patterns .statement{max-width:900px;margin-top:78px}

/* Insights */
.insights{background:var(--white)}
.insight-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;margin-top:48px}
.featured,.mini{border-top:1px solid var(--line);padding-top:24px}
.featured{min-height:360px;padding-right:50px}
.mini-stack{display:grid;gap:34px}
.featured h3{font-size:clamp(2rem,3.3vw,3.4rem);margin:28px 0}
.mini h3{font-size:1.65rem;margin:16px 0 20px}

/* Publications */
.publication{display:grid;grid-template-columns:.46fr 1fr;gap:70px;align-items:center;margin-top:50px}
.book-placeholder{aspect-ratio:.72/1;max-width:300px;background:linear-gradient(160deg,#d7cfbd,#efe7d8);border:1px solid var(--line);box-shadow:var(--shadow);display:grid;place-items:center;text-align:center;padding:24px;font-family:Georgia,"Times New Roman",serif;color:var(--navy)}
.publication-copy p{color:var(--muted);max-width:600px}

/* Principles */
.principles{background:var(--bg-soft)}
.principle-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:50px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.principle{padding:26px 22px 30px 0}
.principle+.principle{border-left:1px solid var(--line);padding-left:22px}
.principle strong{display:block;letter-spacing:.08em;font-size:.82rem}
.principle span{display:block;margin-top:6px;color:var(--muted)}
.guardrail{margin-top:30px;color:var(--muted);font-size:.84rem;max-width:760px}

/* Final CTA + Footer */
.final-cta{background:var(--navy);color:#fff;text-align:center;padding:120px 0}
.final-cta h2{max-width:800px;margin:0 auto}
.final-cta .hero-actions{justify-content:center;margin-top:32px}
.final-cta .btn-primary{background:#fff;color:var(--navy)}
.final-cta .text-link{border-color:rgba(255,255,255,.25)}
.site-footer{background:#111b2a;color:rgba(255,255,255,.78);padding:58px 0}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr .8fr;gap:30px}
.footer-title{color:#fff;font-family:Georgia,"Times New Roman",serif}
.footer-grid h4{font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;color:#c7ac73;margin:0 0 14px}
.footer-grid a{display:block;margin:8px 0;font-size:.88rem}
.copyright{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;margin-top:38px;font-size:.78rem}

@media(max-width:900px){
  .shell{width:min(calc(100% - 36px),var(--max))}
  .nav-links,.nav>.btn{display:none}.menu-btn{display:block}
  .mobile-menu{position:fixed;inset:78px 0 auto 0;background:var(--bg);border-bottom:1px solid var(--line);padding:24px;display:none;box-shadow:0 20px 35px rgba(23,38,59,.08)}
  .mobile-menu.open{display:block}
  .mobile-menu a{display:block;padding:14px 0;border-bottom:1px solid var(--line)}
  .mobile-menu .btn{margin-top:18px;width:100%;border-bottom:0}
  .hero{min-height:auto;padding:78px 0 84px}
  .hero-grid,.publication{grid-template-columns:1fr;gap:54px}
  .signal-visual{margin:0 auto;max-width:420px;width:100%}
  .signal-field{height:280px}
  .triptych{grid-template-columns:1fr}
  .triptych>div{padding:24px 0}.triptych>div+div{border-left:0;border-top:1px solid var(--line);padding-left:0}
  .method{padding:96px 0}
  .method-flow{grid-template-columns:1fr;padding-left:36px;margin-top:54px}
  .method-flow:before{left:7px}
  .method-step:nth-child(n){grid-column:1;grid-row:auto;text-align:left;padding:24px 0 40px 42px;min-height:0}
  .method-step:nth-child(n):after{left:1px;right:auto;top:27px}
  .method-step:nth-child(odd) p{margin-left:0}
  .start-grid{grid-template-columns:1fr}.start-grid .qss{order:-1}
  .deeper-grid,.insight-grid{grid-template-columns:1fr}
  .pattern-visual{grid-template-columns:1fr;gap:18px;margin-top:54px}
  .pattern-visual:before{left:18px;right:auto;top:6%;bottom:6%;width:1px;height:auto}
  .pattern-state{min-height:180px;padding:26px 26px 26px 58px}
  .pattern-arrow{transform:rotate(90deg);margin-left:2px}
  .roadmap{grid-template-columns:1fr;padding:0;border-bottom:0}
  .roadmap span{padding:14px 32px 14px 0;border-bottom:1px solid var(--line)}
  .roadmap span:not(:last-child):after{right:4px;top:14px;transform:rotate(90deg)}
  .principle-grid{grid-template-columns:1fr 1fr}
  .principle:nth-child(3){border-left:0;border-top:1px solid var(--line);padding-left:0}
  .principle:nth-child(4){border-top:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:82px 0}.patterns{padding:96px 0}
}

@media(max-width:560px){
  h1{font-size:clamp(3.05rem,14.5vw,4.55rem)}
  h2{font-size:clamp(2.35rem,11vw,3.3rem)}
  .hero-actions{align-items:flex-start;flex-direction:column}
  .btn{width:100%}
  .signal-sequence{grid-template-columns:1fr;gap:8px;letter-spacing:.1em}
  .signal-sequence b{width:1px;height:16px;background:var(--line);justify-self:start;margin-left:6px}
  .entry-card{padding:28px}
  .pattern-state{padding-left:52px}
  .principle-grid{grid-template-columns:1fr}
  .principle+.principle,.principle:nth-child(3){border-left:0;border-top:1px solid var(--line);padding-left:0}
  .footer-grid{grid-template-columns:1fr}
  .publication{gap:38px}.book-placeholder{max-width:240px;margin:auto}
  .final-cta{padding:90px 0}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}

/* Route integration: non-clickable future-layer label */
.development-link{display:inline-block;opacity:.62;cursor:default;text-decoration:none}

/* V4: final PNM Jilid 1 publication integration */
.publication-cover-link{display:block;max-width:320px;text-decoration:none}
.book-cover{display:block;width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border:1px solid var(--line);box-shadow:0 24px 55px rgba(23,38,59,.14)}
.publication-subtitle{font-family:Georgia,"Times New Roman",serif;color:var(--navy)!important;font-size:1.15rem;line-height:1.45;margin:12px 0 20px;max-width:620px}
.publication-meta{display:flex;flex-wrap:wrap;gap:10px 18px;margin:0 0 24px;color:var(--muted);font-size:.76rem;letter-spacing:.07em;text-transform:uppercase}
.publication-meta span{position:relative}
.publication-meta span:not(:last-child):after{content:"·";position:absolute;right:-12px;color:var(--gold)}
.publication-alt{margin-top:20px}
@media(max-width:900px){.publication-cover-link{max-width:300px}}
@media(max-width:560px){.publication-cover-link{max-width:245px;margin:auto}.publication-meta{gap:8px 16px}.publication-meta span:not(:last-child):after{right:-10px}}

/* V5: 404 */
.not-found{min-height:100vh;display:grid;align-items:center;padding:72px 0;background:var(--bg)}
.not-found-inner{max-width:920px}
.not-found h1{max-width:800px;margin:18px 0 24px}
.not-found-bm{margin-top:72px;padding-top:34px;border-top:1px solid var(--line);max-width:720px}
.not-found-bm h2{font-size:clamp(2rem,4vw,3.6rem);margin-bottom:16px}
.not-found-bm p{color:var(--muted);font-size:1.05rem}