:root{
  --srn-ink:#172029;          /* slate ink */
  --srn-accent:#173a5e;       /* Diablo-dusk blue (site theme) */
  --srn-accent-deep:#102a44;
  --srn-accent2:#b06a2c;      /* burnt bronze / golden-hills */
  --srn-accent2-soft:#c98a4a;
  --srn-bg:#f4f6f5;           /* cool Mount Diablo stone */
  --srn-surface:#e9ece9;      /* stone panel */
  --srn-surface2:#dfe3de;
  --srn-line:#d4d9d3;
  --srn-muted:#586259;
  --srn-warning:#9a3412;
  --srn-white:#ffffff;
  --srn-serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --srn-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,system-ui,sans-serif;
  --srn-shell:1120px;
  --srn-radius:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--srn-bg);color:var(--srn-ink);font-family:var(--srn-sans);font-size:17px;line-height:1.68;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:var(--srn-accent);text-underline-offset:3px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--srn-accent2);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--srn-sans);color:var(--srn-accent);line-height:1.12;margin:0 0 .5em;font-weight:700;letter-spacing:-.018em}
h1{font-size:clamp(2.05rem,4.3vw,3.05rem);max-width:19ch}
h2{font-size:clamp(1.5rem,2.6vw,2.05rem);margin-top:.1em}
h3{font-size:1.18rem;color:var(--srn-ink);letter-spacing:-.01em}
p{margin:0 0 1em}
strong{font-weight:680}

.sz-srn-shell{width:min(var(--srn-shell),calc(100% - 44px));margin-inline:auto}
.sz-srn-skip{position:absolute;left:-999px}.sz-srn-skip:focus{left:12px;top:12px;background:var(--srn-accent);color:#fff;padding:10px 14px;z-index:50;border-radius:6px}
.sz-srn-kicker{font-family:var(--srn-sans);text-transform:uppercase;letter-spacing:.18em;font-size:.7rem;font-weight:700;color:var(--srn-accent2);margin:0 0 .7em}

/* header — hairline accent bar + clean identity row */
.sz-srn-header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--srn-bg) 90%,transparent);backdrop-filter:saturate(1.15) blur(8px);border-bottom:1px solid var(--srn-line)}
.sz-srn-header::before{content:"";display:block;height:3px;background:linear-gradient(90deg,var(--srn-accent) 0%,var(--srn-accent) 62%,var(--srn-accent2) 62%,var(--srn-accent2) 100%)}
.sz-srn-identity{display:flex;align-items:center;gap:22px;padding:13px 0}
.sz-srn-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--srn-accent)}
.sz-srn-brand__mark{display:grid;place-items:center;width:44px;height:44px;border-radius:11px;background:var(--srn-accent);color:#fff;font-family:var(--srn-sans);font-weight:800;font-size:.95rem;letter-spacing:.02em;flex:0 0 44px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.sz-srn-brand__text{display:flex;flex-direction:column;line-height:1.15}
.sz-srn-brand__text strong{font-weight:750;font-size:1.06rem;letter-spacing:-.01em}
.sz-srn-brand__text small{color:var(--srn-muted);font-size:.76rem;font-weight:500}
.sz-srn-identity__facts{margin-left:auto;display:flex;flex-direction:column;text-align:right;gap:2px;color:var(--srn-muted);font-size:.8rem}
.sz-srn-phone{font-weight:750;color:var(--srn-accent);text-decoration:none;font-size:1.08rem;white-space:nowrap;font-variant-numeric:tabular-nums}
.sz-srn-nav{border-top:1px solid var(--srn-line);background:var(--srn-white)}
.sz-srn-nav .sz-srn-shell{display:flex;flex-wrap:wrap;gap:4px 22px;align-items:center;padding:9px 0}
.sz-srn-nav a{color:var(--srn-ink);text-decoration:none;font-size:.9rem;font-weight:500;padding:5px 0;border-bottom:2px solid transparent}
.sz-srn-nav a:hover,.sz-srn-nav a[aria-current="page"]{border-bottom-color:var(--srn-accent2);color:var(--srn-accent)}
.sz-srn-nav__book{margin-left:auto;background:var(--srn-accent);color:#fff!important;padding:7px 16px!important;border-radius:8px;border-bottom:0!important;font-weight:650}
.sz-srn-nav__book:hover{background:var(--srn-accent-deep)}

/* breadcrumbs */
.sz-srn-crumbs{display:flex;gap:8px;align-items:center;padding:14px 0 0;font-size:.82rem;color:var(--srn-muted)}
.sz-srn-crumbs a{color:var(--srn-muted)}
.sz-srn-crumbs span:not(:last-child){opacity:.6}

/* bands */
.sz-srn-band{padding:40px 0}
.sz-srn-band--surface{background:var(--srn-surface)}
.sz-srn-band--answer{padding-top:8px}
.sz-srn-band--head{padding-top:30px;padding-bottom:16px;
  background:
    radial-gradient(130% 90% at 92% -20%,color-mix(in srgb,var(--srn-accent) 9%,transparent),transparent 58%),
    repeating-radial-gradient(circle at 92% -8%,transparent 0 17px,color-mix(in srgb,var(--srn-accent) 4%,transparent) 17px 18px),
    var(--srn-bg)}
.sz-srn-prose{max-width:72ch}
.sz-srn-prose ul,.sz-srn-prose ol{padding-left:1.2em}
.sz-srn-prose li{margin:.35em 0}

/* page head (asymmetric hero) */
.sz-srn-pagehead{display:grid;grid-template-columns:1.12fr .88fr;gap:38px;align-items:center}
.sz-srn-lede{font-size:1.16rem;color:var(--srn-ink);max-width:56ch;line-height:1.6}
.sz-srn-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.sz-srn-action{display:inline-flex;align-items:center;justify-content:center;min-height:47px;padding:11px 22px;border-radius:9px;background:var(--srn-accent);color:#fff;text-decoration:none;font-weight:650;border:1px solid var(--srn-accent);transition:transform .12s ease,filter .12s ease}
.sz-srn-action--outline{background:transparent;color:var(--srn-accent)}
.sz-srn-action--light{background:var(--srn-accent2);color:#fff;border-color:var(--srn-accent2)}
.sz-srn-action:hover{filter:brightness(1.07);transform:translateY(-1px)}

/* answer block (snippet-shaped, serif for editorial contrast) */
.sz-srn-answer{font-size:1.2rem;line-height:1.62;font-family:var(--srn-serif);color:var(--srn-ink);max-width:72ch;border-left:4px solid var(--srn-accent2);padding:4px 0 4px 22px}

/* two-col image+text */
.sz-srn-two{display:grid;grid-template-columns:1.02fr .98fr;gap:36px;align-items:center}
.sz-srn-two--flip>div:first-child{order:2}
.sz-srn-photo{margin:0;border-radius:var(--srn-radius);overflow:hidden;background:var(--srn-surface2);border:1px solid var(--srn-line);box-shadow:0 16px 40px rgba(16,28,40,.14)}
.sz-srn-photo img{width:100%;height:100%;object-fit:cover}
.sz-srn-photo figcaption{font-size:.82rem;color:var(--srn-muted);padding:10px 14px;background:var(--srn-white);border-top:1px solid var(--srn-line)}

/* tables */
.sz-srn-table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.95rem;background:var(--srn-white);border:1px solid var(--srn-line);border-radius:10px;overflow:hidden}
.sz-srn-table th,.sz-srn-table td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--srn-line);vertical-align:top}
.sz-srn-table thead th{background:var(--srn-accent);color:#fff;font-size:.74rem;letter-spacing:.05em;text-transform:uppercase;font-weight:650}
.sz-srn-table td:last-child{font-weight:680;color:var(--srn-accent);white-space:nowrap;font-variant-numeric:tabular-nums}
.sz-srn-table tbody tr:nth-child(even){background:color-mix(in srgb,var(--srn-surface) 45%,transparent)}
.sz-srn-table tbody tr:last-child td{border-bottom:0}

/* home dashboard / spec rail */
.sz-srn-dashboard__grid{display:grid;grid-template-columns:178px 1fr 326px;gap:32px;align-items:start}
.sz-srn-rail{background:var(--srn-accent);color:#dce6ef;border-radius:var(--srn-radius);padding:20px;display:flex;flex-direction:column;gap:2px;position:relative;overflow:hidden}
.sz-srn-rail::after{content:"";position:absolute;inset:auto -30% -40% auto;width:160px;height:160px;border-radius:50%;background:repeating-radial-gradient(circle,transparent 0 9px,rgba(255,255,255,.05) 9px 10px)}
.sz-srn-rail .sz-srn-kicker{color:var(--srn-accent2-soft)}
.sz-srn-rail strong{font-size:1.16rem;color:#fff;margin-bottom:8px;font-weight:700}
.sz-srn-rail span{font-size:.88rem;border-top:1px solid rgba(255,255,255,.16);padding:7px 0;position:relative;z-index:1}
.sz-srn-rightproof{display:flex;flex-direction:column;gap:14px}
.sz-srn-mini{display:flex;flex-direction:column;gap:10px;margin:0}
.sz-srn-mini div{background:var(--srn-white);border:1px solid var(--srn-line);border-radius:10px;padding:12px 14px;border-left:3px solid var(--srn-accent2)}
.sz-srn-mini dt{font-size:.7rem;text-transform:uppercase;letter-spacing:.09em;color:var(--srn-accent2);font-weight:700}
.sz-srn-mini dd{margin:3px 0 0;font-size:.9rem}

/* fault grid */
.sz-srn-faultgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.sz-srn-fault{display:flex;flex-direction:column;gap:6px;background:var(--srn-white);border:1px solid var(--srn-line);border-top:3px solid var(--srn-accent);border-radius:10px;padding:16px;text-decoration:none;color:var(--srn-ink);transition:transform .12s ease,box-shadow .12s ease}
.sz-srn-fault strong{color:var(--srn-accent);font-weight:700;letter-spacing:-.01em}
.sz-srn-fault span{font-size:.87rem;color:var(--srn-muted)}
.sz-srn-fault:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(16,28,40,.12)}

/* proof row */
.sz-srn-proofrow{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}

/* steps / notes */
.sz-srn-steps{padding-left:1.1em;margin:0;counter-reset:step}
.sz-srn-steps li{margin:.5em 0}
.sz-srn-note{background:var(--srn-surface);border:1px solid var(--srn-line);border-radius:var(--srn-radius);padding:18px 20px}
.sz-srn-note h3{margin-top:0}
.sz-srn-notesgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.sz-srn-notesgrid p{margin:0;background:var(--srn-white);border:1px solid var(--srn-line);border-radius:10px;padding:14px 16px}

/* cta */
.sz-srn-cta{display:grid;grid-template-columns:1.3fr .7fr;gap:24px;align-items:center;background:linear-gradient(135deg,var(--srn-accent) 0%,var(--srn-accent-deep) 100%);color:#dce6ef;border-radius:16px;padding:28px 32px;position:relative;overflow:hidden}
.sz-srn-cta::after{content:"";position:absolute;inset:-40% -10% auto auto;width:240px;height:240px;border-radius:50%;background:repeating-radial-gradient(circle,transparent 0 13px,rgba(255,255,255,.045) 13px 14px)}
.sz-srn-cta>div{position:relative;z-index:1}
.sz-srn-cta h2{color:#fff}
.sz-srn-cta .sz-srn-kicker{color:var(--srn-accent2-soft)}
.sz-srn-cta__actions{display:flex;flex-direction:column;gap:10px}
.sz-srn-cta .sz-srn-action{background:var(--srn-accent2);color:#fff;border-color:var(--srn-accent2)}
.sz-srn-cta .sz-srn-action--light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}

/* faq */
.sz-srn-faq{display:grid;grid-template-columns:1fr 1fr;gap:10px 26px}
.sz-srn-faq details{background:var(--srn-white);border:1px solid var(--srn-line);border-radius:10px;padding:2px 16px;break-inside:avoid}
.sz-srn-faq details[open]{border-color:color-mix(in srgb,var(--srn-accent2) 50%,var(--srn-line))}
.sz-srn-faq summary{cursor:pointer;font-weight:650;padding:13px 0;color:var(--srn-accent);list-style:none}
.sz-srn-faq summary::-webkit-details-marker{display:none}
.sz-srn-faq summary::before{content:"+";float:right;color:var(--srn-accent2);font-weight:700;margin-left:10px}
.sz-srn-faq details[open] summary::before{content:"\2013"}
.sz-srn-faq p{margin:0 0 14px}

/* related */
.sz-srn-related{display:flex;flex-wrap:wrap;gap:10px}
.sz-srn-related a{background:var(--srn-white);border:1px solid var(--srn-line);border-radius:8px;padding:8px 15px;text-decoration:none;font-size:.89rem;text-transform:capitalize}
.sz-srn-related a:hover{border-color:var(--srn-accent2);color:var(--srn-accent)}

/* footer */
.sz-srn-footer{background:#0f1c28;color:#bccad4;margin-top:30px;padding:42px 0 18px;font-size:.91rem}
.sz-srn-footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:26px}
.sz-srn-footer h2{color:#fff;font-size:1.02rem;margin-bottom:.6em}
.sz-srn-footer a{color:#bccad4;text-decoration:none;display:block;padding:2px 0}
.sz-srn-footer a:hover{color:var(--srn-accent2-soft)}
.sz-srn-footer section>p a{display:inline}
.sz-srn-disclaimer{border-top:1px solid #24323e;margin-top:24px;padding-top:14px;color:#7e8d97;font-size:.78rem}

/* address + map + booking cards (contact / service-area) */
.sz-srn-footer__address{color:#7e8d97;font-size:.82rem;margin-top:.6em}
.sz-srn-bookgrid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
.sz-srn-bookcard{background:var(--srn-white);border:1px solid var(--srn-line);border-top:3px solid var(--srn-accent2);border-radius:var(--srn-radius);padding:20px 22px;display:flex;flex-direction:column;gap:8px}
.sz-srn-bookcard h3{margin-top:0}
.sz-srn-bookcard p{margin-bottom:14px}
.sz-srn-bookcard .sz-srn-action{margin-top:auto;align-self:flex-start}
.sz-srn-address{font-style:normal;background:var(--srn-surface);border:1px solid var(--srn-line);border-left:4px solid var(--srn-accent2);border-radius:10px;padding:14px 16px;margin:0 0 14px}
.sz-srn-address strong{color:var(--srn-accent)}
.sz-srn-mapwrap{margin-top:14px;border-radius:var(--srn-radius);overflow:hidden;border:1px solid var(--srn-line);box-shadow:0 12px 30px rgba(16,28,40,.12)}
.sz-srn-map{width:100%;height:330px;border:0;display:block}

/* reviews (Bay Area network rating signal) */
.sz-srn-reviews-head{display:flex;flex-wrap:wrap;gap:10px 28px;align-items:baseline;justify-content:space-between}
.sz-srn-reviews-score{display:flex;align-items:center;gap:10px}
.sz-srn-reviews-score strong{font-size:2rem;color:var(--srn-accent);line-height:1;font-weight:750}
.sz-srn-stars{color:var(--srn-accent2);letter-spacing:2px}
.sz-srn-reviews-score small{color:var(--srn-muted);font-size:.85rem}
.sz-srn-reviewgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.sz-srn-reviewcard{background:var(--srn-white);border:1px solid var(--srn-line);border-radius:var(--srn-radius);padding:18px;display:flex;flex-direction:column}
.sz-srn-reviewcard .sz-srn-stars{font-size:.95rem;margin-bottom:.4em}
.sz-srn-reviewcard p{font-size:.93rem;margin:.2em 0 .9em}
.sz-srn-reviewcard footer{margin-top:auto;font-size:.82rem;color:var(--srn-muted);font-weight:650}

/* mobile sticky bar */
.sz-srn-mobilebar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:30;background:var(--srn-accent);box-shadow:0 -6px 20px rgba(0,0,0,.2)}
.sz-srn-mobilebar a{flex:1;text-align:center;color:#fff;text-decoration:none;padding:14px 8px;font-weight:650;font-size:.94rem}
.sz-srn-mobilebar a:first-child{background:var(--srn-accent2)}

@media(max-width:980px){
  .sz-srn-dashboard__grid{grid-template-columns:1fr}
  .sz-srn-pagehead{grid-template-columns:1fr}
  .sz-srn-two,.sz-srn-two--flip>div:first-child{grid-template-columns:1fr;order:0}
  .sz-srn-two{grid-template-columns:1fr}
  .sz-srn-faultgrid,.sz-srn-proofrow,.sz-srn-notesgrid{grid-template-columns:1fr 1fr}
  .sz-srn-footer__grid{grid-template-columns:1fr 1fr}
  .sz-srn-cta{grid-template-columns:1fr}
  .sz-srn-faq{grid-template-columns:1fr}
  .sz-srn-reviewgrid{grid-template-columns:1fr}
  .sz-srn-identity__facts{display:none}
}
@media(max-width:560px){
  body{font-size:16.5px}
  .sz-srn-faultgrid,.sz-srn-proofrow,.sz-srn-notesgrid,.sz-srn-footer__grid,.sz-srn-bookgrid{grid-template-columns:1fr}
  .sz-srn-mobilebar{display:flex}
  main{padding-bottom:58px}
  .sz-srn-identity{flex-wrap:wrap;gap:10px}
  .sz-srn-phone{margin-left:auto}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}