:root{--bg:#0c0e11;--panel:#191e24;--border:#353b44;--orange:#ff8735;--text:#f7f7f7;--muted:#b8bec6}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Arial,sans-serif}
a{color:inherit;text-decoration:none}a:hover{color:var(--orange)}.container{width:min(1120px,calc(100% - 36px));margin:auto}
.site-head{background:#101318;border-bottom:1px solid #303640;position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;flex-wrap:wrap;padding:10px 0}
.logo{font-size:30px;font-weight:950;font-style:italic;letter-spacing:-2px}.logo span{color:var(--orange)}
.nav-links{display:flex;flex-wrap:wrap;gap:17px;align-items:center;font-size:14px;font-weight:700}.nav-links .calculator-link{border:1px solid #c36c34;border-radius:8px;padding:8px 12px}
.banner{height:clamp(140px,25vw,340px);background:#121212 url('shafted-widescreen-header.webp') center / cover no-repeat;border-bottom:4px solid var(--orange)}
.hero{padding:62px 0 48px}.eyebrow{color:var(--orange);font-weight:850;letter-spacing:.15em;text-transform:uppercase;font-size:12px}
h1{font-size:clamp(38px,6vw,74px);line-height:1.05;letter-spacing:-.05em;margin:15px 0 20px}h2{font-size:clamp(27px,4vw,42px);line-height:1.1;letter-spacing:-.035em;margin:12px 0 18px}
.lead{font-size:clamp(18px,2vw,22px);color:#d4d7dd;max-width:780px}.muted{color:var(--muted)}.accent{color:var(--orange)}
.pill{display:inline-flex;border:1px solid #c76d34;border-radius:8px;padding:10px 16px;color:#ffb37b;font-weight:800}
.section{padding:48px 0 68px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}
.card{border:1px solid var(--border);background:linear-gradient(140deg,#22272e,#15191e);border-radius:15px;padding:26px;display:flex;flex-direction:column}
.card h3{font-size:24px;margin:8px 0}.card p{color:#c0c6ce}.card .link{margin-top:auto;color:#ffad74;font-weight:800}
.tag{font-size:11px;color:#ffb47c;text-transform:uppercase;letter-spacing:.1em;font-weight:850}
.notice{border-left:3px solid var(--orange);padding:13px 17px;background:#20252b;color:#d1d6dc;border-radius:4px}
footer{border-top:1px solid #303640;padding:24px 0;color:#a8b1bb;font-size:13px}
.quick{max-width:740px;padding:40px 0 65px}.box{background:#1b2027;border:1px solid #3a424c;border-radius:16px;padding:23px;margin:17px 0}
.fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
label{display:block;font-weight:750;font-size:14px}input{width:100%;margin-top:7px;padding:14px 11px;font:inherit;font-size:23px;background:#0e1115;color:#fff;border:1px solid #6c7683;border-radius:10px;min-width:0}
input:focus{outline:2px solid var(--orange)}.results{text-align:center}.result-label{color:#c1c7cf;font-size:15px}.gross{font-size:33px;font-weight:900}.net{font-size:clamp(44px,8vw,72px);font-weight:950;color:#ff9d56;line-height:1.15;margin:8px 0}
.rule{height:1px;background:#434a53;margin:20px 0}.hour-row{display:flex;justify-content:space-between;gap:12px;align-items:center;text-align:left}.hour-row strong{font-size:26px}
.bar{height:16px;border-radius:20px;background:#464d57;overflow:hidden}.bar-fill{height:100%;width:0;background:linear-gradient(90deg,#ef7d2d,#ffb15f);border-radius:20px}
.bar-labels{display:flex;justify-content:space-between;font-size:13px;color:#b9c1ca;margin:16px 0 7px}.fine{font-size:12px;color:#abb4bf;line-height:1.55}
details{background:#242a32;border:1px solid #48505a;border-radius:14px;padding:18px;margin-top:18px}summary{cursor:pointer;font-weight:850}
.settings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:20px 0}
.settings input{font-size:19px}.save{border:0;background:var(--orange);color:#141414;border-radius:8px;padding:12px 18px;font-weight:850;cursor:pointer}
@media(max-width:750px){.cards{grid-template-columns:1fr 1fr}.nav-links{gap:11px}.nav{align-items:flex-start}.banner{height:auto;aspect-ratio:1983/688;background-size:150% auto;background-position:center}}
@media(max-width:520px){.cards{grid-template-columns:1fr}.nav-links{font-size:12px}.logo{font-size:25px}.fields{gap:8px}.fields label{font-size:12px}.fields input{font-size:19px;padding:11px 7px}.box{padding:17px}.settings{gap:10px}}
@media(max-width:350px){.fields{grid-template-columns:1fr}.settings{grid-template-columns:1fr}}

/* V7.1: navigation stays in normal flow, banner has its own space */
.site-head{position:relative;top:auto}
.banner{height:auto;aspect-ratio:1836/243;background-image:url('shaftd-v7-banner.webp');background-size:100% 100%;background-position:center;border-bottom:3px solid var(--orange)}
@media(max-width:750px){.banner{height:auto;aspect-ratio:1836/243;background-size:100% 100%;background-position:center}}
.home-layout{display:grid;grid-template-columns:minmax(190px,240px) minmax(0,1fr) minmax(190px,240px);gap:24px;align-items:start;padding-top:38px}
.home-layout .hero{padding:12px 0 28px;text-align:center}
.home-layout .hero h1{font-size:clamp(33px,3.7vw,57px)}
.home-layout .hero .lead{font-size:18px;margin:0 auto 22px}
.side-panel{background:linear-gradient(160deg,#20262c,#11151a);border:1px solid #a85829;border-radius:15px;padding:18px;box-shadow:0 12px 35px #0004}
.side-panel h2{font-size:19px;letter-spacing:0;margin:0 0 14px}
.side-link{display:block;border-top:1px solid #3c4148;padding:12px 0;color:#e9ebee;font-size:14px;line-height:1.35}
.side-link strong{display:block;color:#ffad73;font-size:15px;margin-bottom:3px}
.side-link span{color:#bdc4ce;font-size:12px}
.side-tag{display:block;font-size:11px;color:#ffb07b;letter-spacing:.08em;text-transform:uppercase;font-weight:800;margin-bottom:8px}
.side-note{font-size:12px;color:#b8bec6;line-height:1.55}
.home-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0 0}
.home-strip>div{border-top:2px solid #8e4b27;padding-top:10px;font-size:13px;color:#cbd1d7}
.home-strip strong{display:block;color:#fff;font-size:14px}
@media(max-width:1050px){.home-layout{grid-template-columns:minmax(0,1fr) minmax(0,2fr)}.home-layout .right-panel{grid-column:1/-1}.home-layout .right-panel .side-link{display:inline-block;vertical-align:top;width:45%;margin-right:3%}}
@media(max-width:700px){.home-layout{display:flex;flex-direction:column;gap:18px;padding-top:20px}.home-layout .hero{order:0;text-align:left;width:100%}.home-layout .hero .lead{margin:0 0 20px}.home-layout .left-panel{order:1;width:100%}.home-layout .right-panel{order:2;width:100%}.home-layout .right-panel .side-link{width:100%;display:block}.home-strip{grid-template-columns:1fr}.nav{min-height:unset}}

/* V7.6 fixed reference frame: exact original tyre artwork */
body:not(.reference-home){background-color:#050a0d;background-image:url("tyre-left.png"),url("tyre-right.png");background-repeat:repeat-y,repeat-y;background-position:left 72px,right 72px;background-size:205px auto,205px auto;}
body:not(.reference-home) main{position:relative;background:#070c10ee;max-width:1420px;margin:auto;min-height:70vh;padding-left:22px;padding-right:22px;}
body:not(.reference-home) .banner{background-image:url("approved-banner.png");background-position:center;background-size:cover;}
@media(max-width:1100px){body:not(.reference-home){background-size:90px auto,90px auto;}body:not(.reference-home) main{max-width:calc(100% - 120px)}}
@media(max-width:650px){body:not(.reference-home){background-size:26px auto,26px auto;}body:not(.reference-home) main{max-width:calc(100% - 36px);padding:0 12px}.site-head{position:relative}}

@media(max-width:650px){
html,body{overflow-x:hidden}
body:not(.reference-home){background-image:none!important;background:#090e12!important}
body:not(.reference-home) main{width:calc(100% - 24px)!important;max-width:100%!important;margin:0 auto!important;padding-left:10px!important;padding-right:10px!important;min-width:0}
.site-head .nav{display:flex;flex-direction:column;align-items:stretch;gap:6px;padding:12px 0}
.site-head .nav-links{display:flex;flex-wrap:wrap;gap:7px 14px;font-size:12px}
.site-head .logo{font-size:26px}
.quick{padding-top:24px!important}
.quick .fields{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}
.quick .fields input{width:100%;min-width:0;padding:10px 6px;font-size:18px}
.quick .fields label{font-size:12px}
.box{padding:15px}
.settings{grid-template-columns:repeat(2,minmax(0,1fr))}
.cards{grid-template-columns:1fr!important}
.hour-row{flex-wrap:wrap}
}
@media(max-width:350px){.quick .fields{grid-template-columns:1fr}}