:root{
 --ground:#E9EDEF; --panel:#F8F9F9; --ink:#15202A; --muted:#4D5C67; --line:#C4CDD3;
 --steel:#24506C; --signal:#F2B51D; --on-signal:#15202A; --band:#1B2A36; --on-band:#EEF2F4; --band-muted:#A9B9C4;
 --rib-a:#1B2A36; --rib-b:#22333F; --row:#EEF1F2;
 --display:'Big Shoulders Display','Arial Narrow','Roboto Condensed',sans-serif;
 --body:'Public Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
 color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
 --ground:#0F161C; --panel:#162029; --ink:#E5EBEE; --muted:#9DADB8; --line:#2B3A45; --steel:#8CBAD8;
 --band:#0A1015; --on-band:#EEF2F4; --band-muted:#93A5B1; --rib-a:#0A1015; --rib-b:#121C24; --row:#121B22; color-scheme:dark}}
:root[data-theme="dark"]{
 --ground:#0F161C; --panel:#162029; --ink:#E5EBEE; --muted:#9DADB8; --line:#2B3A45; --steel:#8CBAD8;
 --band:#0A1015; --on-band:#EEF2F4; --band-muted:#93A5B1; --rib-a:#0A1015; --rib-b:#121C24; --row:#121B22; color-scheme:dark}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);font:400 1.0625rem/1.68 var(--body)}
a{color:var(--steel);text-decoration-thickness:1px;text-underline-offset:.22em}
a:hover{text-decoration-thickness:2px}
a:focus-visible,button:focus-visible{outline:3px solid var(--signal);outline-offset:3px}
.skip{position:absolute;left:1rem;top:-100px;background:var(--signal);color:var(--on-signal);padding:.6rem 1rem;z-index:5}
.skip:focus{top:1rem}
.wrap{max-width:1120px;margin:0 auto;padding-inline:clamp(1rem,4vw,2.5rem)}

/* header */
.site-head{background:var(--ground);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem 2rem;flex-wrap:wrap;padding-block:1rem}
.brand{display:flex;align-items:center;gap:.65rem;color:var(--ink);text-decoration:none;font:800 1.55rem/1 var(--display);letter-spacing:.01em;text-transform:uppercase}
.mark{display:grid;place-items:center;width:2.3rem;height:2.3rem;background:var(--signal);color:var(--on-signal);font:900 1.35rem/1 var(--display)}
.site-nav{display:flex;flex-wrap:wrap;gap:.25rem 1.4rem}
.site-nav a{color:var(--ink);text-decoration:none;font:700 1.08rem/1 var(--display);letter-spacing:.04em;text-transform:uppercase;padding:.45rem 0;border-bottom:3px solid transparent}
.site-nav a:hover{border-bottom-color:var(--line)}
.site-nav a[aria-current]{border-bottom-color:var(--signal)}
.site-nav a.nav-deal{color:var(--on-signal);background:var(--signal);padding:.45rem .6rem;border-bottom:0}
.disclosure{font-size:.84rem;color:var(--muted);padding-block:.55rem;border-bottom:1px solid var(--line)}
.disclosure a{color:inherit}

/* hero: corrugated steel band */
.hero{position:relative;background:var(--band);color:var(--on-band);overflow:hidden;
 background-image:repeating-linear-gradient(90deg,var(--rib-a) 0 26px,var(--rib-b) 26px 34px,var(--rib-a) 34px 60px)}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:10px;
 background:repeating-linear-gradient(-45deg,var(--signal) 0 14px,var(--band) 14px 28px)}
.hero .wrap{padding-block:clamp(2.2rem,6vw,4.5rem) clamp(2.6rem,6vw,4.8rem)}
.crumb{font-size:.85rem;color:var(--band-muted);margin:0 0 1.6rem}
.crumb a{color:var(--on-band)}
.hero .tag{display:inline-block;font:700 1rem/1 var(--display);letter-spacing:.12em;text-transform:uppercase;color:var(--on-signal);background:var(--signal);padding:.35rem .55rem}
.hero h1{font:900 clamp(2.9rem,8.5vw,6.4rem)/.92 var(--display);text-transform:uppercase;letter-spacing:-.005em;margin:1.1rem 0 1.2rem;max-width:15ch;text-wrap:balance}
.hero .lead{font-size:clamp(1.12rem,1.9vw,1.36rem);line-height:1.55;max-width:56ch;color:var(--on-band);margin:0}
.hero .updated{font-size:.85rem;color:var(--band-muted);margin:1.2rem 0 0}

/* body copy */
main{padding-block:clamp(2rem,5vw,3.5rem) 0}
article{display:block}
article>p,article>ul,article>ol,article section>p,article section>ul,article section>ol{max-width:68ch}
h2{font:800 clamp(1.75rem,3.2vw,2.35rem)/1.05 var(--display);text-transform:uppercase;letter-spacing:.005em;margin:2.6rem 0 .9rem;text-wrap:balance}
article>h2:first-child{margin-top:0}
h3{font:800 1.45rem/1.1 var(--display);text-transform:uppercase;margin:.4rem 0 .5rem}
li{margin-bottom:.5rem}
li::marker{color:var(--muted);font-weight:700}
.eyebrow{display:inline-block;font:700 .95rem/1.2 var(--display);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* tables */
.table-wrap{overflow-x:auto;margin:1.4rem 0 1.8rem;border:1px solid var(--line);background:var(--panel)}
table{border-collapse:collapse;width:100%;min-width:540px;font-size:.98rem;font-variant-numeric:tabular-nums}
th,td{text-align:left;vertical-align:top;padding:.85rem 1.05rem;border-bottom:1px solid var(--line)}
th{background:var(--band);color:var(--on-band);font:700 1.02rem/1.2 var(--display);letter-spacing:.06em;text-transform:uppercase}
tbody tr:nth-child(even){background:var(--row)}
tbody tr:last-child td{border-bottom:0}

/* home */
.home-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:2rem;align-items:start;margin-bottom:1rem}
.home-grid h2{margin-top:.5rem}
.feature p{max-width:56ch}
.text-link{font-weight:700}
.note{background:var(--panel);border:1px solid var(--line);padding:1.6rem 1.7rem}
.note h2{font-size:1.8rem}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.cards a{display:flex;flex-direction:column;gap:.2rem;padding:1.5rem;background:var(--panel);color:var(--ink);text-decoration:none}
.cards a:hover{background:var(--ground)}
.cards a:hover h3{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:.15em}
.cards span{font:700 .95rem/1 var(--display);letter-spacing:.12em;color:var(--muted)}
.cards p{color:var(--muted);font-size:.98rem;margin:.2rem 0 0}

/* merchant CTA: yard-marking yellow */
.merchant{margin:3rem 0 0;background:var(--signal);color:var(--on-signal);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.4rem 2rem;padding:2rem clamp(1.2rem,3vw,2.2rem);
 border-top:10px solid transparent;border-image:repeating-linear-gradient(-45deg,#15202A 0 14px,#F2B51D 14px 28px) 10}
.merchant>div{min-width:0;flex:1 1 26rem}
.merchant .eyebrow{color:var(--on-signal)}
.merchant h2{margin:.35rem 0 .5rem;color:var(--on-signal)}
.merchant p{margin:0;max-width:52ch}
.merchant .cta-col{display:flex;flex-direction:column;align-items:flex-start;gap:.6rem}
.button{display:inline-block;background:#15202A;color:#F8F9F9;text-decoration:none;font:800 1.2rem/1 var(--display);letter-spacing:.06em;text-transform:uppercase;padding:1.05rem 1.4rem}
.button:hover{background:#24506C;color:#fff}
.merchant .deal-link{color:var(--on-signal);font-size:.92rem;font-weight:700}

/* related + sources */
.related{margin-top:3rem;padding-top:1.4rem;border-top:3px solid var(--ink)}
.related h2{margin-top:0;font-size:1.6rem}
.related>div{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem}
.related a{font-weight:600}
.sources{margin-top:2.6rem;font-size:.9rem;color:var(--muted)}
.sources h2{font-size:1.3rem;margin-top:0}
.sources li{overflow-wrap:anywhere}

/* discount code plate (styled like a CSC safety-approval plate) */
.deal{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:2rem;align-items:center;margin:0 0 1rem}
.plate{position:relative;background:linear-gradient(160deg,#DDE3E7,#B9C3CA);color:#15202A;border:2px solid #7E8C96;padding:1.8rem 1.6rem 1.6rem;box-shadow:inset 0 0 0 6px #D3DADF,inset 0 0 0 7px #8F9CA5}
.plate::before,.plate::after,.plate .rv1,.plate .rv2{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#F4F6F7,#6E7C86 70%)}
.plate::before{top:14px;left:14px}.plate::after{top:14px;right:14px}
.plate .rv1{bottom:14px;left:14px}.plate .rv2{bottom:14px;right:14px}
.plate-label{font:700 1rem/1 var(--display);letter-spacing:.16em;text-transform:uppercase;margin:0 0 .4rem;text-align:center}
.plate-code{display:block;text-align:center;font:900 clamp(3.6rem,11vw,5.6rem)/1 var(--display);letter-spacing:.08em;border-block:2px solid #15202A;padding:.6rem 0 .5rem;margin:0 0 .8rem;user-select:all;-webkit-user-select:all}
.plate-off{text-align:center;font:800 1.5rem/1.1 var(--display);text-transform:uppercase;margin:0 0 1.1rem}
.plate-actions{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center}
.copy{font:800 1.1rem/1 var(--display);letter-spacing:.06em;text-transform:uppercase;padding:.95rem 1.2rem;background:#F8F9F9;color:#15202A;border:2px solid #15202A;cursor:pointer}
.copy:hover{background:#fff}
.plate .button{border:2px solid #15202A}
.copy-status{min-height:1.4em;text-align:center;font-size:.9rem;margin:.7rem 0 0}
.deal-steps{margin:0;padding-left:1.4rem}
.deal-steps li{margin-bottom:.7rem}
.aff-note{font-size:.82rem;line-height:1.4;margin:.2rem 0 0;color:#3B4852;text-align:center}.aff-note a{color:inherit}.aff-note.on-signal{color:#15202A;text-align:left;max-width:22rem}
.fineprint{font-size:.92rem;color:var(--muted);max-width:68ch}

/* footer */
.site-foot{margin-top:4rem;background:var(--band);color:var(--band-muted);font-size:.9rem}
.site-foot .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem 2rem;padding-block:2rem}
.site-foot .brand{color:var(--on-band)}
.site-foot a{color:var(--on-band)}
.site-foot p{margin:0}

@media (max-width:760px){
 .home-grid,.deal{grid-template-columns:minmax(0,1fr)}
 .cards{grid-template-columns:minmax(0,1fr)}
 .site-nav{gap:.2rem 1rem}
}
@media print{.site-head,.disclosure,.merchant,.site-foot{display:none}.hero{background:none;color:#000}.hero::after{display:none}}