:root{
  --black:#0B0B0B; --ink:#1A1A1A; --gray:#5E5E5E; --line:#E6E3DC; --paper:#FAF9F6; --white:#FFFFFF;
  --gold:#C8A24A; --gold-deep:#8F7124; --gold-soft:#F4ECD8;
  --head:'Oswald', 'Arial Narrow', sans-serif; --body:'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --wrap:1180px; --r:6px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:104px}
body{font-family:var(--body);color:var(--ink);background:var(--white);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:var(--head);text-transform:uppercase;letter-spacing:.02em;line-height:1.08;color:var(--black)}
h2{font-size:clamp(30px,4vw,44px);margin-bottom:14px}
h3{font-size:21px;margin-bottom:8px}
.eyebrow{font-family:var(--head);font-size:14px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:10px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--gold)}
.lede{color:var(--gray);max-width:640px;font-size:18px}
section{padding:88px 0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--head);font-size:17px;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;padding:15px 28px;border-radius:var(--r);border:2px solid transparent;transition:transform .15s, background .15s, color .15s;cursor:pointer;min-height:52px}
.btn:hover{transform:translateY(-1px)}
.btn-gold{background:var(--gold);color:var(--black)}
.btn-gold:hover{background:#D6B25C}
.btn-dark{background:var(--black);color:var(--white)}
.btn-outline{border-color:currentColor;color:var(--black);background:transparent}
.btn-outline-light{border-color:var(--white);color:var(--white)}
.btn svg{width:18px;height:18px;flex:none}

/* top bar + header */
.topbar{background:var(--black);color:#D9D9D9;font-size:14px;text-align:center;padding:8px 16px}
.topbar a{color:var(--gold);text-decoration:none;font-weight:600}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:96px;gap:20px}
.logo-slot{display:flex;align-items:center;justify-content:center;border:2px dashed var(--gold);border-radius:4px;font-family:var(--head);font-size:12px;letter-spacing:.12em;text-transform:uppercase;text-align:center;line-height:1.2}
.logo-slot.black{width:190px;height:52px;color:var(--black);background:var(--paper)}
.logo-slot.white{width:220px;height:64px;color:var(--white);background:#161616}
.nav ul{display:flex;gap:28px;list-style:none}
.nav ul a{font-family:var(--head);text-transform:uppercase;letter-spacing:.08em;font-size:15px;text-decoration:none;color:var(--ink)}
.nav ul a:hover{color:var(--gold-deep)}
.nav .btn{padding:11px 20px;min-height:44px;font-size:15px}
@media (max-width:900px){.nav ul{display:none}.logo-slot.black{width:150px;height:44px}}

/* hero */
.hero{padding:72px 0 80px;background:linear-gradient(180deg,var(--white) 0%,var(--paper) 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(40px,6vw,72px);margin-bottom:18px}
.hero h1 span{color:var(--gold-deep)}
.hero p.lede{margin-bottom:30px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px}
.trust{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:34px;font-size:15px;color:var(--gray)}
.trust li{list-style:none;display:flex;align-items:center;gap:8px}
.trust li::before{content:"";width:8px;height:8px;background:var(--gold);transform:rotate(45deg)}
.hero-img{position:relative}
.hero-img img{border-radius:var(--r);box-shadow:0 30px 60px -30px rgba(0,0,0,.45)}
.hero-img .tag{position:absolute;left:-18px;bottom:28px;background:var(--black);color:var(--white);padding:14px 18px;border-left:4px solid var(--gold);font-family:var(--head);text-transform:uppercase;letter-spacing:.06em;font-size:15px;line-height:1.3}
.hero-img .tag b{color:var(--gold);display:block;font-size:22px}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:36px}.hero{padding:44px 0 56px}.hero-img .tag{left:12px}}

/* products */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.card{border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;background:var(--white);transition:border-color .2s, box-shadow .2s}
.card:hover{border-color:var(--gold);box-shadow:0 14px 30px -20px rgba(0,0,0,.35)}
.card .num{font-family:var(--head);color:var(--gold-deep);font-size:14px;letter-spacing:.14em;margin-bottom:12px;display:block}
.card p{color:var(--gray);font-size:15.5px}
@media (max-width:1000px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.grid-4{grid-template-columns:1fr}}

/* dark services band */
.dark{background:var(--black);color:#D4D4D4}
.dark h2,.dark h3{color:var(--white)}
.dark .eyebrow{color:var(--gold)}
.dark .lede{color:#A8A8A8}
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#2A2A2A;margin-top:44px;border:1px solid #2A2A2A}
.svc div{background:var(--black);padding:30px 26px}
.svc h3{font-size:19px}
.svc h3::before{content:"";display:block;width:24px;height:3px;background:var(--gold);margin-bottom:14px}
.svc p{font-size:15.5px;color:#A8A8A8}
@media (max-width:900px){.svc{grid-template-columns:1fr}}

/* specs strip */
.specs{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px;padding-top:40px;border-top:1px solid #2A2A2A}
.specs b{font-family:var(--head);font-size:30px;color:var(--gold);display:block;line-height:1.1}
.specs span{font-size:14px;color:#A8A8A8}
@media (max-width:760px){.specs{grid-template-columns:repeat(2,1fr)}}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:40px}
.gallery figure{overflow:hidden;border-radius:var(--r);background:var(--paper)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media (max-width:760px){.gallery{grid-template-columns:repeat(2,1fr)}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:44px;counter-reset:s}
.steps li{list-style:none;counter-increment:s;padding-top:20px;border-top:2px solid var(--black)}
.steps li::before{content:"0" counter(s);font-family:var(--head);font-size:40px;color:var(--gold);display:block;line-height:1;margin-bottom:10px}
.steps p{color:var(--gray);font-size:15.5px}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}
.measure{margin-top:44px;background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--gold);padding:26px 28px;border-radius:var(--r)}
.measure ul{margin:10px 0 0 20px;color:var(--gray);font-size:15.5px}

/* area + map */
.area-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.towns{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}
.towns li{list-style:none;border:1px solid var(--line);padding:7px 14px;border-radius:40px;font-size:14.5px}
.towns li.home{background:var(--black);color:var(--white);border-color:var(--black)}
.map{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--paper)}
.map iframe{width:100%;height:100%;border:0}
@media (max-width:900px){.area-grid{grid-template-columns:1fr}}

/* reviews */
.reviews{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.review-empty{margin-top:30px;background:var(--white);border:1px dashed var(--gold);padding:30px;border-radius:var(--r);display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.stars{color:var(--gold);font-size:26px;letter-spacing:4px}

/* faq */
.faq{max-width:860px;margin-top:34px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font-weight:600;font-size:17.5px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:14px;font-size:28px;color:var(--gold-deep);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 22px;color:var(--gray)}

/* contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px}
.nap{font-style:normal;margin:24px 0;line-height:1.9}
.nap a{color:var(--gold);text-decoration:none;font-weight:600}
.big-call{display:block;font-family:var(--head);font-size:clamp(34px,4.5vw,48px);color:var(--white);text-decoration:none;letter-spacing:.02em;margin:6px 0 4px}
.big-call:hover{color:var(--gold)}
form{background:var(--white);color:var(--ink);border-radius:var(--r);padding:32px;border-top:4px solid var(--gold)}
form h3{margin-bottom:4px}
form .sub{color:var(--gray);font-size:15px;margin-bottom:20px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-size:13.5px;font-weight:600;margin:14px 0 6px;color:var(--ink)}
input,select,textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1px solid #CFCAC0;border-radius:4px;background:var(--white);color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--gold);outline-offset:1px;border-color:var(--gold)}
textarea{min-height:110px;resize:vertical}
form .btn{width:100%;margin-top:22px}
.fine{font-size:13px;color:var(--gray);margin-top:12px;text-align:center}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}.f2{grid-template-columns:1fr}form{padding:24px 20px}}

/* footer */
footer{background:#050505;color:#9A9A9A;padding:60px 0 110px;font-size:15px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
footer h4{font-family:var(--head);color:var(--white);text-transform:uppercase;letter-spacing:.1em;font-size:15px;margin-bottom:14px}
footer ul{list-style:none;line-height:2}
footer a{text-decoration:none}
footer a:hover{color:var(--gold)}
.copy{border-top:1px solid #1F1F1F;margin-top:40px;padding-top:22px;font-size:13.5px}
@media (max-width:760px){.foot{grid-template-columns:1fr}footer{padding-bottom:120px}}

/* sticky mobile action bar */
.actionbar{display:none}
@media (max-width:760px){
  .actionbar{display:grid;grid-template-columns:1fr 1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--black);border-top:2px solid var(--gold)}
  .actionbar a{display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 4px 12px;color:var(--white);text-decoration:none;font-family:var(--head);text-transform:uppercase;letter-spacing:.08em;font-size:13px}
  .actionbar a.call{background:var(--gold);color:var(--black)}
  .actionbar svg{width:20px;height:20px}
}

/* ---- service pages ---- */
.crumbs{font-size:14px;color:var(--gray);margin-bottom:18px}
.crumbs a{text-decoration:none;color:var(--gold-deep)}
.page-hero{padding:56px 0 64px;background:linear-gradient(180deg,var(--white) 0%,var(--paper) 100%);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(36px,5vw,60px);margin-bottom:16px}
.page-hero h1 span{color:var(--gold-deep)}
.answer{background:var(--white);border:1px solid var(--line);border-left:4px solid var(--gold);padding:18px 22px;border-radius:var(--r);margin:0 0 26px;max-width:680px;font-size:16.5px}
.answer b{font-family:var(--head);text-transform:uppercase;letter-spacing:.08em;font-size:13px;color:var(--gold-deep);display:block;margin-bottom:4px}
.prose{max-width:780px}
.prose h2{font-size:clamp(26px,3vw,34px);margin:44px 0 12px}
.prose h2:first-child{margin-top:0}
.prose p{margin-bottom:16px;color:#333}
.prose ul{margin:0 0 18px 22px;color:#333}
.prose li{margin-bottom:6px}
.content-grid{display:grid;grid-template-columns:1fr 320px;gap:56px;align-items:start}
.side{position:sticky;top:100px;background:var(--black);color:#CFCFCF;padding:28px;border-radius:var(--r);border-top:4px solid var(--gold)}
.side h3{color:var(--white)}
.side .btn{width:100%;margin-top:12px}
.side p{font-size:15px}
.side img{border-radius:4px;margin-bottom:18px}
table.spec{width:100%;border-collapse:collapse;margin:8px 0 22px;font-size:15.5px}
table.spec th,table.spec td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
table.spec th{font-family:var(--head);text-transform:uppercase;letter-spacing:.06em;font-size:14px;background:var(--paper)}
.related{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.related a{display:block;border:1px solid var(--line);padding:20px;border-radius:var(--r);text-decoration:none;font-family:var(--head);text-transform:uppercase;letter-spacing:.04em;font-size:17px}
.related a:hover{border-color:var(--gold)}
.related a span{display:block;font-family:var(--body);text-transform:none;letter-spacing:0;font-size:14px;color:var(--gray);margin-top:6px}
.cta-band{background:var(--black);color:#D4D4D4;padding:64px 0;text-align:center}
.cta-band h2{color:var(--white)}
.cta-band .cta-row{justify-content:center;margin-top:22px}
.card a.more{display:inline-block;margin-top:12px;font-family:var(--head);text-transform:uppercase;letter-spacing:.08em;font-size:14px;color:var(--gold-deep);text-decoration:none}
@media (max-width:960px){.content-grid{grid-template-columns:1fr}.side{position:static}.related{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.related{grid-template-columns:1fr}table.spec{font-size:14px}}

/* ---- guides ---- */
.byline{font-size:14.5px;color:var(--gray);margin:-4px 0 22px}
.takeaways{background:var(--black);color:#E0E0E0;border-radius:var(--r);padding:22px 26px;margin-bottom:28px;border-left:4px solid var(--gold)}
.takeaways b{font-family:var(--head);text-transform:uppercase;letter-spacing:.1em;color:var(--gold);font-size:14px}
.takeaways ul{margin:10px 0 0 18px;color:#E0E0E0}
.toc{border:1px solid var(--line);border-radius:var(--r);padding:18px 24px;margin-bottom:36px;background:var(--paper)}
.toc b{font-family:var(--head);text-transform:uppercase;letter-spacing:.1em;font-size:14px;color:var(--gold-deep)}
.toc ol{margin:8px 0 0 20px;font-size:15.5px}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--gold-deep);text-decoration:underline}
.prose h3{font-size:20px;margin:26px 0 8px}
.prose ol{margin:0 0 18px 22px;color:#333}
.prose a{color:var(--gold-deep);font-weight:600}

/* ---- real logos ---- */
.logo{height:80px;width:auto}
.logo-foot{height:120px;width:auto}
@media (max-width:900px){.logo{height:52px}}

.dark form h3{color:var(--black)}

/* ---- hero carousel (v2) ---- */
.carousel{position:relative;overflow:hidden;border-radius:var(--r);box-shadow:0 30px 60px -30px rgba(0,0,0,.45);touch-action:pan-y;user-select:none;background:var(--paper)}
.carousel .track{display:flex;transition:transform .6s cubic-bezier(.22,.61,.36,1)}
.carousel .slide{flex:0 0 100%}
.carousel .slide img{width:100%;height:auto;display:block;border-radius:0;box-shadow:none;pointer-events:none}
.carousel .nav-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:0;background:rgba(11,11,11,.72);color:var(--white);font-size:26px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s,background .2s}
.carousel:hover .nav-btn,.carousel:focus-within .nav-btn{opacity:1}
.carousel .nav-btn:hover{background:var(--gold);color:var(--black)}
.carousel .prev{left:12px}.carousel .next{right:12px}
.carousel .dots{position:absolute;right:14px;bottom:14px;display:flex;gap:8px}
.carousel .dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--white);background:transparent;padding:0;cursor:pointer}
.carousel .dot[aria-current="true"]{background:var(--gold);border-color:var(--gold)}
@media (hover:none){.carousel .nav-btn{opacity:.85}}
@media (prefers-reduced-motion:reduce){.carousel .track{transition:none}}
.hero-img .tag{z-index:2}

/* ---- u-joint series (v2) ---- */
.series-head{margin-top:44px;color:var(--white)}
.series{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#2A2A2A;border:1px solid #2A2A2A;margin-top:16px}
.series div{background:var(--black);padding:22px 24px}
.series h3{font-size:17px;color:var(--gold);margin-bottom:6px}
.series p{font-size:15.5px;color:#D4D4D4}
@media (max-width:900px){.series{grid-template-columns:1fr}}

.carousel .nav-btn{padding:0}
.carousel .nav-btn svg{display:block;width:22px;height:22px}

/* ---- mobile fit (v2) ---- */
.content-grid > *, .hero-grid > *, .area-grid > *, .contact-grid > *, .foot > *{min-width:0}
.prose, .faq, .answer, .takeaways, .toc{overflow-wrap:break-word}
.steps.two{grid-template-columns:1fr 1fr;margin-top:20px}
@media (max-width:600px){
  .steps.two{grid-template-columns:1fr}
  /* mobile tables: each row becomes a labeled card */
  table.spec, table.spec tbody, table.spec tr, table.spec td{display:block;width:100%}
  table.spec tr:first-child{display:none}
  table.spec tr{border:1px solid var(--line);border-radius:var(--r);margin:0 0 12px;background:var(--white);overflow:hidden}
  table.spec td{border:0;padding:8px 14px}
  table.spec td + td{border-top:1px solid var(--line)}
  table.spec td::before{content:attr(data-label);display:block;font-family:var(--head);text-transform:uppercase;letter-spacing:.08em;font-size:12.5px;color:var(--gold-deep);margin-bottom:2px}
  table.spec td[data-label=""]{background:var(--paper);font-weight:600}
  table.spec td[data-label=""]::before{display:none}
}

@media (max-width:600px){
  .topbar{font-size:13px;padding:7px 12px}
  .hide-sm{display:none}
}
@media (max-width:480px){
  .specs{gap:20px 16px}
  .specs b{font-size:22px;white-space:nowrap}
  .specs span{font-size:13px}
}

/* ---- tablet + phone polish (v2) ---- */
footer li, footer p, .nap{overflow-wrap:break-word}
.specs b{white-space:nowrap;font-size:clamp(22px,2.6vw,30px)}
@media (max-width:900px){
  .hero-img{max-width:520px;margin:0 auto;width:100%}
  .svc{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .svc{grid-template-columns:1fr}
  .nav{height:68px}
  .logo{height:52px}
  html{scroll-padding-top:76px}
}
@media (min-width:601px) and (max-width:900px){.series{grid-template-columns:repeat(3,1fr)}}

/* ---- edge padding (v2): text never closer than 24px to the screen edge on phones ---- */
@media (max-width:600px){
  .wrap{padding:0 24px}
  .topbar{padding:7px 24px}
}
@media (max-width:380px){
  .topbar .sep{display:none}
  .topbar a{display:block}
}

@media (min-width:601px) and (max-width:1100px){.wrap{padding:0 28px}}

/* ---------- V3: trust floor (author box, bylines, About page) ---------- */
.byline a{color:inherit;font-weight:600;text-decoration:underline;text-underline-offset:3px}
.author-box{display:flex;gap:16px;align-items:flex-start;margin-top:36px;padding:20px 22px;background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--r)}
.author-box img{width:56px;height:56px;flex:none;border-radius:50%;background:var(--white);border:1px solid var(--line);margin:0}
.author-box p{margin:0 0 4px;font-size:15px}
.author-box .who{font-family:var(--head);text-transform:uppercase;letter-spacing:.06em;font-size:15px}
.author-box .who a,.author-box .links a,.prose .nap a{color:var(--gold-deep);font-weight:600}
.author-box .links{font-size:14px;color:var(--gray)}
.prose .nap{line-height:1.8}

/* ---------- measuring worksheets (how-to-measure page) ---------- */
table.chooser td{text-align:center;font-weight:600}
table.chooser td a{color:var(--gold-deep)}
.ws-group{margin-top:34px}
.ws-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:12px}
.ws-card{border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;background:var(--white);scroll-margin-top:110px}
.ws-card img{width:100%;height:auto;border:1px solid var(--line);border-radius:4px;margin:8px 0 10px;background:#fff}
.ws-card h4{margin:2px 0 0;font-size:17px}
.ws-card ul{margin:0 0 12px;padding-left:18px;font-size:15px}
.ws-code{font-family:var(--head);color:var(--gold-deep);letter-spacing:.08em;margin:0;font-size:14px}
.ws-pdf{font-weight:600;color:var(--gold-deep)}
@media (max-width:960px){.ws-grid{grid-template-columns:1fr}}
.prose a.btn-dark{color:#fff;text-decoration:none}
@media (max-width:600px){
  table.chooser tr th[scope=row]{display:block;width:100%;background:var(--paper)}
  table.chooser td{text-align:left}
  table.chooser td.na{display:none}
}