/* ============================================================
   Wall2Roof — Tricity SEO design system.
   Themeable: change the tokens in :root. Fonts: Plus Jakarta Sans (display) + Inter (body).
   ============================================================ */
:root{
  /* Warm / Trade — clay + brass + paper. Hardware-shop craft, not startup-clean. */
  --w2r-primary:#b4512c;         /* terracotta / clay */
  --w2r-primary-dk:#8f3e1f;
  --w2r-primary-2:#c96a41;
  --w2r-accent:#a9791b;          /* brass / ochre */
  --w2r-accent-dk:#856012;
  --w2r-ink:#2a2016;             /* warm near-black */
  --w2r-ink-2:#544636;
  --w2r-muted:#8c7c67;
  --w2r-bg:#efe6d6;              /* warm paper */
  --w2r-card:#fffdf7;            /* warm white */
  --w2r-border:#e0d4bf;
  --w2r-soft:#f6ebdd;            /* clay tint */
  --w2r-soft-2:#f4ecd6;          /* brass tint */
  --w2r-good:#5d7a37;            /* olive */
  --w2r-bad:#a63c26;
  --w2r-radius:13px;
  --w2r-radius-sm:9px;
  --w2r-shadow:0 1px 2px rgba(74,52,24,.06),0 4px 14px rgba(74,52,24,.07);
  --w2r-shadow-lg:0 10px 30px rgba(74,52,24,.13),0 2px 7px rgba(74,52,24,.08);
  --w2r-maxw:1120px;
  --w2r-disp:'Fraunces',Georgia,'Times New Roman',serif;
  --w2r-body:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--w2r-body);color:var(--w2r-ink);line-height:1.62;font-size:16.5px;
  -webkit-font-smoothing:antialiased;position:relative;
  background:
    radial-gradient(1200px 780px at 50% -12%,#f4ecdc,transparent 70%),
    linear-gradient(180deg,#f1e9da,var(--w2r-bg) 40%)}
/* warm paper grain */
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.14'/%3E%3C/svg%3E")}
a{color:var(--w2r-primary);text-decoration:none}
a:hover{color:var(--w2r-primary-dk)}
img{max-width:100%;height:auto}
h1,h2,h3,h4{font-family:var(--w2r-disp);color:var(--w2r-ink);line-height:1.16;letter-spacing:-.004em;font-weight:600;font-optical-sizing:auto}
.hero h1{font-weight:600}
.wrap{max-width:var(--w2r-maxw);margin:0 auto;padding:0 22px}
.ico{width:1.15em;height:1.15em;flex:none;vertical-align:-.16em}

/* ---------- top bar ---------- */
.topbar{background:linear-gradient(90deg,var(--w2r-ink),#3d2d1b);color:#ece0cb;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding:8px 22px;flex-wrap:wrap;align-items:center}
.tb-left{display:inline-flex;align-items:center;gap:8px;font-weight:500}
.tb-left .ico{color:var(--w2r-accent)}
.topbar a{color:#fff;display:inline-flex;align-items:center;gap:5px;font-weight:600}
.topbar a .ico{width:14px;height:14px}

/* ---------- header / nav ---------- */
.site-head{background:rgba(255,252,244,.9);backdrop-filter:saturate(1.2) blur(8px);
  border-bottom:1px solid var(--w2r-border);position:sticky;top:0;z-index:50}
.site-head .wrap{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:600;font-size:21px;
  color:var(--w2r-ink);font-family:var(--w2r-disp);letter-spacing:-.03em}
.brand:hover{color:var(--w2r-ink)}
.brand .logo{width:36px;height:36px;flex:none}
.brand-tx span{color:var(--w2r-accent)}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{color:var(--w2r-ink-2);font-weight:600;font-size:15px;position:relative;padding:4px 0}
.nav a:hover{color:var(--w2r-primary)}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;
  background:var(--w2r-accent);border-radius:2px;transition:right .2s}
.nav a:hover::after{right:0}
.nav-cta{display:inline-flex;align-items:center;background:var(--w2r-accent);color:#fff;
  font-weight:700;font-size:14.5px;padding:9px 18px;border-radius:10px}
.nav-cta:hover{background:var(--w2r-accent-dk);color:#fff}

/* ---------- breadcrumb ---------- */
.crumbs{font-size:13px;color:var(--w2r-muted);padding:16px 0 0;display:flex;gap:7px;flex-wrap:wrap;align-items:center}
.crumbs a{color:var(--w2r-muted);font-weight:500}
.crumbs a:hover{color:var(--w2r-primary)}
.crumbs b{color:var(--w2r-ink-2)}
.crumbs span{opacity:.5}

/* ---------- badges ---------- */
.tricity-badge{display:inline-flex;align-items:center;gap:7px;background:#fff;color:var(--w2r-primary-dk);
  border:1px solid var(--w2r-border);border-radius:999px;padding:6px 15px 6px 12px;font-size:13px;
  font-weight:700;box-shadow:var(--w2r-shadow)}
.tricity-badge .ico{width:15px;height:15px;color:var(--w2r-accent)}

/* ---------- hero ---------- */
.hero{padding:34px 0 6px;position:relative}
.hero h1{font-size:clamp(2rem,4.4vw,3.05rem);font-weight:600;margin:.42em 0 .3em}
.hero p.lede{font-size:clamp(1.05rem,1.7vw,1.22rem);color:var(--w2r-ink-2);margin:.2em 0 1.1em;max-width:64ch;line-height:1.55}

/* home hero panel */
.homehero{border:1px solid var(--w2r-border);border-radius:var(--w2r-radius);margin:20px 0 8px;
  box-shadow:var(--w2r-shadow);overflow:hidden;background:
   radial-gradient(1000px 420px at 88% -20%,rgba(169,121,27,.16),transparent 60%),
   radial-gradient(680px 360px at -5% 10%,rgba(180,81,44,.12),transparent 55%),
   linear-gradient(180deg,var(--w2r-card),#fdf7ea)}
.homehero .hero{padding:40px 34px 30px}
.homehero .wrap{padding:0}
@media(max-width:620px){.homehero .hero{padding:30px 20px 24px}}
.stat-row{display:flex;gap:26px;flex-wrap:wrap;margin-top:8px}
.stat-row .s{display:flex;flex-direction:column}
.stat-row .n{font-family:var(--w2r-disp);font-weight:600;font-size:1.5rem;color:var(--w2r-primary);letter-spacing:-.02em}
.stat-row .l{font-size:12.5px;color:var(--w2r-muted);font-weight:500}
.trust{display:flex;gap:18px;flex-wrap:wrap;margin:14px 0 0}
.trust .t{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--w2r-ink-2);font-weight:600}
.trust .ico{width:17px;height:17px;color:var(--w2r-good)}

/* ---------- sections ---------- */
main{padding-bottom:56px}
section{margin:34px 0}
.eyebrow{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--w2r-accent-dk);margin-bottom:6px}
h2{font-size:clamp(1.35rem,2.3vw,1.7rem);font-weight:600;margin:0 0 .55em}
h3{font-size:1.06rem;font-weight:700;margin:1.2em 0 .4em}

/* ---------- cards / tiles ---------- */
.card{background:var(--w2r-card);border:1px solid var(--w2r-border);border-radius:var(--w2r-radius);box-shadow:var(--w2r-shadow);padding:26px}
.grid{display:grid;gap:18px}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.tile{background:var(--w2r-card);border:1px solid var(--w2r-border);border-radius:var(--w2r-radius);
  padding:20px;box-shadow:var(--w2r-shadow);transition:transform .16s,box-shadow .16s,border-color .16s;
  display:flex;flex-direction:column;gap:6px;position:relative;overflow:hidden}
.tile:hover{transform:translateY(-3px);box-shadow:var(--w2r-shadow-lg);border-color:#d6c6aa;color:inherit}
.tile .chip{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--w2r-soft);color:var(--w2r-primary);margin-bottom:8px}
.tile .chip .ico{width:22px;height:22px}
.tile.accent .chip{background:var(--w2r-soft-2);color:var(--w2r-accent-dk)}
.tile h3{margin:.1em 0 .2em;font-size:16px;font-weight:700;color:var(--w2r-ink)}
.tile p{margin:0;font-size:13.5px;color:var(--w2r-muted);line-height:1.5}
.tile .k{font-size:11px;font-weight:800;letter-spacing:.05em;color:var(--w2r-accent-dk);text-transform:uppercase}
.tile .go{margin-top:auto;padding-top:10px;color:var(--w2r-primary);font-weight:700;font-size:13.5px;display:inline-flex;align-items:center;gap:5px}
.tile .go .ico{width:15px;height:15px;transition:transform .16s}
.tile:hover .go .ico{transform:translateX(3px)}

/* ---------- buttons ---------- */
/* tactile, physical buttons — a solid pressed edge, not a soft glow */
.cta{display:inline-flex;align-items:center;gap:8px;background:var(--w2r-primary);color:#fff;font-weight:600;
  padding:12px 22px;border-radius:10px;border:0;cursor:pointer;font-size:15.5px;
  box-shadow:0 2px 0 var(--w2r-primary-dk),0 4px 10px rgba(74,52,24,.14);
  transition:transform .1s,box-shadow .1s,background .14s;font-family:var(--w2r-body)}
.cta .ico{width:17px;height:17px}
.cta:hover{background:var(--w2r-primary-dk);color:#fff;transform:translateY(1px);box-shadow:0 1px 0 var(--w2r-primary-dk),0 2px 6px rgba(74,52,24,.14)}
.cta.accent{background:var(--w2r-accent);box-shadow:0 2px 0 var(--w2r-accent-dk),0 4px 10px rgba(74,52,24,.14)}
.cta.accent:hover{background:var(--w2r-accent-dk);box-shadow:0 1px 0 var(--w2r-accent-dk),0 2px 6px rgba(74,52,24,.14)}
.cta.ghost{background:var(--w2r-card);color:var(--w2r-primary);border:1.5px solid var(--w2r-border);box-shadow:var(--w2r-shadow)}
.cta.ghost:hover{background:var(--w2r-soft);color:var(--w2r-primary-dk);border-color:#d3c3a8;transform:none}
.cta-row{display:flex;gap:13px;flex-wrap:wrap;margin:18px 0 6px}

/* cta band */
.cta-band{margin:38px 0;border-radius:var(--w2r-radius);overflow:hidden;
  background:radial-gradient(600px 300px at 15% 0%,rgba(255,255,255,.14),transparent),
    linear-gradient(120deg,var(--w2r-primary),var(--w2r-primary-dk));color:#fff}
.cta-band-in{padding:34px 30px;text-align:center}
.cta-band h2{color:#fff;margin-bottom:.3em}
.cta-band p{color:#d9e6fb;margin:.2em auto 1.3em;max-width:58ch;font-size:1.02rem}
.cta-band .cta{background:#fff;color:var(--w2r-primary);box-shadow:0 8px 20px rgba(0,0,0,.18)}
.cta-band .cta:hover{background:#f0f6ff;color:var(--w2r-primary-dk)}

/* pills */
.pill{display:inline-flex;align-items:center;background:var(--w2r-soft);color:var(--w2r-primary-dk);
  border-radius:8px;padding:5px 12px;font-size:13px;font-weight:600;margin:3px 6px 3px 0}
.pill-row{margin:14px 0 0}

/* ---------- tables ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--w2r-card);border-radius:var(--w2r-radius-sm);overflow:hidden;border:1px solid var(--w2r-border);box-shadow:var(--w2r-shadow)}
.tbl th,.tbl td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--w2r-border);vertical-align:top}
.tbl thead th{background:var(--w2r-soft);font-family:var(--w2r-disp);font-size:12.5px;text-transform:uppercase;letter-spacing:.03em;color:var(--w2r-primary-dk);font-weight:700}
.tbl tbody th{font-weight:700;color:var(--w2r-ink);background:#fafcff;width:32%}
.tbl tr:last-child td,.tbl tr:last-child th{border-bottom:0}
.tbl tbody tr:hover td{background:#fafcff}
.tbl .yes{color:var(--w2r-good);font-weight:700}
.tbl .no{color:var(--w2r-bad);font-weight:700}
.tbl-scroll{overflow-x:auto;margin:12px 0}

/* ---------- comparison ---------- */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.vs .card{border-top:4px solid var(--w2r-primary)}
.vs .card:nth-child(2){border-top-color:var(--w2r-accent)}
.article-main .vs .card{box-shadow:none}
.article-main .vs .card:nth-child(1){background:linear-gradient(180deg,var(--w2r-soft),#fff)}
.article-main .vs .card:nth-child(2){background:linear-gradient(180deg,var(--w2r-soft-2),#fff)}
.vs .card h3{margin-top:0;font-size:1.2rem}
.vs .card:nth-child(1) h3{color:var(--w2r-primary)}
.vs .card:nth-child(2) h3{color:var(--w2r-accent-dk)}
.vs ul{margin:.4em 0 1em;padding-left:2px;list-style:none}
.vs li{margin:.4em 0;font-size:14.5px;padding-left:26px;position:relative}
.vs li::before{content:"";position:absolute;left:0;top:.5em;width:15px;height:15px;border-radius:50%;
  background:var(--w2r-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 24 24' fill='none' stroke='%23b4512c' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat}

/* ---------- article: two-column editorial layout ---------- */
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:2px 0 0;font-size:13.5px;color:var(--w2r-muted)}
.post-meta .topic-tag{display:inline-flex;align-items:center;gap:6px;background:var(--w2r-soft);color:var(--w2r-primary-dk);
  font-weight:700;padding:4px 11px;border-radius:999px;font-size:12.5px}
.post-meta .topic-tag .ico{width:14px;height:14px}
.post-meta .dot{opacity:.5}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 318px;gap:38px;align-items:start;margin-top:14px}
/* content sits on an elevated white "paper" panel that floats over the textured page bg */
.article-main{min-width:0;background:var(--w2r-card);border:1px solid var(--w2r-border);
  border-radius:20px;box-shadow:var(--w2r-shadow-lg);padding:34px 40px}
.article-main>section{margin:0}
.article-main>section+section{border-top:1px solid var(--w2r-border);margin-top:30px;padding-top:30px}
.article-main>.prose:first-child p:first-child{font-size:1.14rem;color:var(--w2r-ink);line-height:1.62}
.article-main h2{scroll-margin-top:90px}
/* numbered, chunked sections (guides/specs/brands) — breaks the wall of text */
.article-main.numbered>section+section{border-top:0;margin-top:18px;padding-top:0}
.article-main.numbered>.prose{padding:2px 0}
.sec-n{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:30px;padding:0 8px;
  border-radius:9px;background:var(--w2r-soft);color:var(--w2r-primary);font-family:var(--w2r-disp);
  font-weight:800;font-size:14px;margin-right:13px;vertical-align:4px;letter-spacing:.02em}
.article-main.numbered>.sec-alt{background:linear-gradient(180deg,var(--w2r-bg),#fbfdff);
  border:1px solid var(--w2r-border);border-radius:16px;padding:24px 28px}
.article-main.numbered>.sec-alt .sec-n{background:#fff}
.article-main.numbered>.prose>h2+p{font-size:1.05rem;color:var(--w2r-ink);line-height:1.58}
.article-main.numbered>.prose p{max-width:64ch}
.article-main.numbered>.prose:first-child h2{margin-top:0}
/* alternating rhythm: tables, steps, verdict + FAQ become tinted inset panels on the paper */
.article-main .tbl-scroll{background:var(--w2r-soft);border-radius:14px;padding:6px;margin:16px 0}
.article-main .tbl-scroll .tbl{box-shadow:none;border:1px solid var(--w2r-border)}
.article-main .faq details{background:linear-gradient(180deg,var(--w2r-bg),#fff);border-color:var(--w2r-border)}
.article-main>section#verdict,.article-main>section#glance,.article-main>section#steps{background:var(--w2r-soft);
  border-radius:16px;padding:26px 28px!important;margin-top:30px;border-top:0}
.article-main>section#verdict h2,.article-main>section#glance h2,.article-main>section#steps h2{margin-top:0}
@media(max-width:620px){.article-main{padding:22px 20px}}
.article-aside{position:sticky;top:86px;display:flex;flex-direction:column;gap:16px}
.side-card{background:var(--w2r-card);border:1px solid var(--w2r-border);border-radius:16px;padding:18px 20px;box-shadow:var(--w2r-shadow)}
.side-card h4{font-family:var(--w2r-disp);font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  color:var(--w2r-muted);margin:0 0 12px}
.toc a{display:block;padding:7px 0 7px 14px;color:var(--w2r-ink-2);font-size:13.8px;line-height:1.35;
  border-left:2px solid var(--w2r-border);transition:all .14s;text-decoration:none}
.toc a:hover,.toc a.active{color:var(--w2r-primary);border-left-color:var(--w2r-primary);background:linear-gradient(90deg,var(--w2r-soft),transparent)}
.side-shop{background:linear-gradient(150deg,var(--w2r-primary),var(--w2r-primary-dk));color:#fff;border:0}
.side-shop h4{color:#bcd3f7}
.side-shop p{margin:0 0 14px;font-size:14px;color:#e4eeff}
.side-shop .cta{background:#fff;color:var(--w2r-primary);width:100%;justify-content:center;box-shadow:0 6px 16px rgba(0,0,0,.15)}
.side-shop .cta:hover{background:#eef5ff}
.side-rel a{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--w2r-border);
  color:var(--w2r-ink);font-size:14px;font-weight:600;line-height:1.3}
.side-rel a:last-child{border-bottom:0}
.side-rel a .ico{width:16px;height:16px;color:var(--w2r-primary);flex:none}
.side-rel a:hover{color:var(--w2r-primary)}
.side-card .tbl{box-shadow:none;border:0;font-size:13px}
.side-card .tbl th{background:transparent;color:var(--w2r-muted);text-transform:none;letter-spacing:0;font-family:var(--w2r-body);font-weight:600;padding:7px 8px 7px 0;width:auto;white-space:nowrap}
.side-card .tbl td{padding:7px 0;font-weight:600;color:var(--w2r-ink)}
.side-card .tbl tbody tr:hover td,.side-card .tbl tbody tr:hover th{background:transparent}
/* inline contextual links inside prose */
.prose a.xlink{color:var(--w2r-primary);text-decoration:none;border-bottom:1.5px solid rgba(180,81,44,.16);font-weight:600}
.prose a.xlink:hover{border-bottom-color:var(--w2r-primary);background:var(--w2r-soft)}
@media(max-width:900px){
  .article-layout{grid-template-columns:1fr;gap:8px}
  .article-aside{position:static;flex-direction:column}
  .article-aside .toc-card{display:none}
}

/* ---------- prose ---------- */
.prose{max-width:74ch}
.prose p{margin:.75em 0;color:var(--w2r-ink-2)}
.prose ul,.prose ol{margin:.6em 0;padding-left:24px}
.prose li{margin:.35em 0;color:var(--w2r-ink-2)}
.prose h2{margin-top:1.5em}
.prose b,.prose strong{color:var(--w2r-ink)}

/* ---------- answer box (AEO) ---------- */
.answer{background:linear-gradient(180deg,var(--w2r-soft-2),#fff);border:1px solid #f5d9c4;
  border-left:4px solid var(--w2r-accent);border-radius:var(--w2r-radius);padding:20px 24px;margin:22px 0;box-shadow:var(--w2r-shadow)}
.answer-k{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--w2r-accent-dk);margin-bottom:6px}
.answer-q{font-family:var(--w2r-disp);font-weight:700;font-size:1.05rem;margin:.1em 0 .35em;color:var(--w2r-ink)}
.answer p:last-child{margin:.2em 0 0;color:var(--w2r-ink-2)}

/* ---------- callouts ---------- */
.note{background:var(--w2r-soft);border-left:4px solid var(--w2r-primary);border-radius:var(--w2r-radius-sm);padding:16px 18px;margin:18px 0;font-size:14.5px;color:var(--w2r-ink-2)}
.note.warn{background:var(--w2r-soft-2);border-left-color:var(--w2r-accent)}
.note b{color:var(--w2r-ink)}

/* ---------- FAQ ---------- */
.faq{margin-top:34px}
.faq details{background:var(--w2r-card);border:1px solid var(--w2r-border);border-radius:var(--w2r-radius-sm);margin:11px 0;padding:2px 20px;box-shadow:var(--w2r-shadow);transition:border-color .15s}
.faq details[open]{border-color:#d6c6aa}
.faq summary{font-family:var(--w2r-disp);font-weight:700;cursor:pointer;padding:15px 0;font-size:15.5px;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--w2r-primary);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin:.1em 0 16px;color:var(--w2r-muted)}

/* ---------- calculator ---------- */
.calc{background:var(--w2r-card);border:1px solid var(--w2r-border);border-radius:var(--w2r-radius);box-shadow:var(--w2r-shadow-lg);padding:26px;max-width:560px}
.calc label{display:block;font-weight:600;font-size:14px;margin:16px 0 6px;color:var(--w2r-ink-2)}
.calc input,.calc select{width:100%;padding:12px 14px;border:1.5px solid var(--w2r-border);border-radius:10px;font-size:15px;font-family:inherit;background:#fff;color:var(--w2r-ink);transition:border-color .15s,box-shadow .15s}
.calc input:focus,.calc select:focus{outline:0;border-color:var(--w2r-primary);box-shadow:0 0 0 3px rgba(180,81,44,.16)}
.calc .out{margin-top:20px;background:linear-gradient(180deg,var(--w2r-soft),#fff);border:1px solid var(--w2r-border);border-radius:var(--w2r-radius-sm);padding:20px;font-size:15px}
.calc .out .big{font-family:var(--w2r-disp);font-size:1.9rem;font-weight:800;color:var(--w2r-primary);letter-spacing:-.02em;line-height:1.1}
.calc .muted{color:var(--w2r-muted);font-size:13px;margin-top:6px}
.article-main .calc-hero{margin-bottom:6px}
.article-main .calc{max-width:none;box-shadow:none;border:1px solid var(--w2r-border);background:linear-gradient(180deg,var(--w2r-soft),var(--w2r-card))}
.article-main.numbered .calc-hero+section{margin-top:26px}

/* ---------- hub browse: search + filter chips + groups ---------- */
.hub-toolbar{position:sticky;top:60px;z-index:20;background:var(--w2r-bg);
  padding:14px 0 12px;margin:6px 0 8px;border-bottom:1px solid var(--w2r-border)}
.hub-search-wrap{position:relative;max-width:460px}
.hub-search-wrap .ico{position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--w2r-muted);pointer-events:none}
.hub-search{width:100%;padding:12px 14px 12px 42px;border:1.5px solid var(--w2r-border);
  border-radius:12px;font-size:15px;font-family:inherit;background:#fff;box-shadow:var(--w2r-shadow)}
.hub-search:focus{outline:0;border-color:var(--w2r-primary);box-shadow:0 0 0 3px rgba(180,81,44,.16)}
.hub-chips{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}
.chip-btn{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1.5px solid var(--w2r-border);
  color:var(--w2r-ink-2);font-family:var(--w2r-body);font-weight:600;font-size:13.5px;
  padding:7px 14px;border-radius:999px;cursor:pointer;transition:all .14s;white-space:nowrap}
.chip-btn:hover{border-color:#d6c6aa;background:var(--w2r-soft)}
.chip-btn.is-active{background:var(--w2r-primary);border-color:var(--w2r-primary);color:#fff}
.chip-btn .hub-n{font-size:11.5px;opacity:.75;font-weight:700}
.chip-btn.is-active .hub-n{opacity:.85}
.hub-group{margin:30px 0}
.hub-group-h{display:flex;align-items:center;gap:10px;font-size:1.15rem;margin:0 0 14px;
  padding-bottom:10px;border-bottom:2px solid var(--w2r-soft)}
.hub-group-h .ico{width:20px;height:20px;color:var(--w2r-primary)}
.hub-group-h .hub-n{font-size:12px;font-weight:700;color:var(--w2r-muted);background:var(--w2r-soft);
  border-radius:999px;padding:2px 9px;margin-left:2px}
.hub-empty{text-align:center;color:var(--w2r-muted);padding:40px 0;font-size:15px}
@media(max-width:620px){.hub-toolbar{top:0}.hub-chips{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:4px}}

/* ---------- sitemap list ---------- */
ul.sm{columns:3;column-gap:28px;list-style:none;padding:0;margin:.4em 0}
ul.sm li{margin:.35em 0;break-inside:avoid;font-size:14px}
@media(max-width:860px){ul.sm{columns:2}}
@media(max-width:560px){ul.sm{columns:1}}

/* ---------- footer ---------- */
.site-foot{background:linear-gradient(180deg,#2a2016,#1d150d);color:#c9bba4;padding:48px 0 26px;font-size:14.5px;margin-top:48px}
.site-foot a{color:#c9bba4}
.site-foot a:hover{color:#fff}
.site-foot .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.site-foot .cols-3{grid-template-columns:2fr 1fr 1fr}
.site-foot .brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:2px}
.site-foot h4{color:#fff;font-family:var(--w2r-disp);font-size:14px;margin:0 0 .9em;letter-spacing:.02em}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{margin:.4em 0}
.site-foot .brand{color:#fff;font-size:20px}
.site-foot .brand .logo{width:34px;height:34px}

.serve-line{color:#a08d72;font-size:13.5px;margin:.7em 0;line-height:1.5}
.foot-note{border-top:1px solid #3a2c1c;margin-top:28px;padding-top:18px;color:#94826b;font-size:12.5px}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .grid.c4{grid-template-columns:repeat(2,1fr)}
  .grid.c3{grid-template-columns:repeat(2,1fr)}
  .site-foot .cols{grid-template-columns:1fr 1fr}
  .nav{display:none}
}
@media(max-width:620px){
  body{font-size:16px}
  .grid.c2,.grid.c3,.grid.c4,.vs{grid-template-columns:1fr}
  .nav-cta{margin-left:auto}
  .site-foot .cols{grid-template-columns:1fr}
  .tb-left{max-width:74%}
}

/* ---------- motion ---------- */
html.js .reveal:not(.is-in){opacity:0;transform:translateY(16px)}
@media(prefers-reduced-motion:no-preference){
  html.js .reveal.is-in{animation:w2rReveal .6s cubic-bezier(.2,.75,.2,1) both;animation-delay:var(--d,0ms)}
  .tile,.cta{will-change:transform}
}
@keyframes w2rReveal{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* ---------- hand-drawn illustrations ---------- */
.illo{filter:url(#rough)}
.hero-illo{position:absolute;top:6px;right:6px;width:132px;height:132px;color:var(--w2r-primary);opacity:.9;pointer-events:none}
.hero-illo .illo{width:100%;height:100%}
.hero-illos{position:absolute;top:22px;right:20px;width:290px;height:190px;pointer-events:none}
.hero-illos .illo{position:absolute}
.hero-illos .i1{width:124px;height:124px;top:0;right:100px;color:var(--w2r-accent)}
.hero-illos .i2{width:104px;height:104px;top:58px;right:4px;color:var(--w2r-primary)}
.hero-illos .i3{width:88px;height:88px;top:6px;right:2px;color:var(--w2r-primary-2)}
.hero-illos .i4{width:80px;height:80px;top:100px;right:120px;color:var(--w2r-accent-dk)}
.hub-group-h .illo{width:26px;height:26px;color:var(--w2r-primary)}
@media(max-width:860px){.hero-illo,.hero-illos{display:none}}