/* Filter King redesign concept — shared styles */
:root{
  --bg:#F5F5F5; --white:#FFFFFF; --surface:#EEF0F7; --band:#E6E9F4; --navy:#172165; --navy-deep:#0F1650;
  --text:#15172B; --muted:#595959; --red:#C8281C; --red-hover:#A82014; --red-brand:#FF4536;
  --ok:#15803D; --line:#E1E3EC; --line-strong:#C3C7D6;
  --m8:#1B2366; --m11:#D8202A; --m13:#E89A12; --carbon:#151515;
  --font:Poppins, Inter, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: light;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 var(--font);-webkit-font-smoothing:antialiased}
a{color:var(--navy)}a:hover{color:var(--text)}
:focus-visible{outline:3px solid #2F6FEB;outline-offset:2px}
button,select,input{font:inherit;color:inherit}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
h1,h2,h3{text-wrap:balance;letter-spacing:-.3px}

/* concept banner (outside the design) */
.cbar{background:#0B0F33;color:#E4E8FF;font-size:13px}
.cbar .in{max-width:1280px;margin:0 auto;padding:8px 24px;display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:space-between;align-items:center}
.cbar a{color:#fff;font-weight:600}
.cbar nav{display:flex;gap:14px;flex-wrap:wrap}
.cbar nav a[aria-current="page"]{text-decoration:none;opacity:.7}
.in-frame .cbar{display:none}

/* shared pieces */
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.topmsg{background:var(--navy);color:#fff;font-size:13px}
.topmsg .container{padding-top:8px;padding-bottom:8px;display:flex;flex-wrap:wrap;gap:6px 24px;justify-content:space-between}
.topmsg a{color:#fff}
.hdr{background:var(--white);border-bottom:1px solid var(--line)}
.hdr .container{padding-top:12px;padding-bottom:12px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--navy);font-weight:800;font-size:22px;letter-spacing:.5px;white-space:nowrap}
.mainnav{display:flex;flex-wrap:wrap;gap:4px 18px;font-weight:600;font-size:14.5px}
.mainnav a{text-decoration:none;color:var(--text);padding:10px 0}
.search{flex:1 1 180px;max-width:290px;margin-left:auto;display:flex;align-items:center;gap:8px;background:#fff;border:1.5px solid var(--line-strong);border-radius:8px;padding:0 14px;height:44px}
.search input{border:0;background:transparent;flex:1;min-width:0;outline-offset:4px}
.iconbtn{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;border-radius:8px;text-decoration:none;color:var(--text)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:8px;font-weight:700;text-decoration:none;border:0;cursor:pointer}
.btn.primary{background:var(--red);color:#fff}
.btn.primary:hover{background:var(--red-hover);color:#fff}
.btn.navy{background:var(--navy);color:#fff}
.btn.ghost{background:#fff;border:1.5px solid var(--navy);color:var(--navy)}
.btn.light{background:#fff;color:var(--navy)}
.h2{font-weight:700;color:var(--navy);font-size:32px;line-height:1.15;margin:0}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase}
.muted{color:var(--muted)}
.card{background:var(--white);border:1px solid var(--line);border-radius:12px}

/* size finder */
.finder{background:#fff;border-radius:12px;padding:20px;color:var(--text);box-shadow:0 10px 30px rgba(11,15,51,.18)}
.finder h2{margin:0 0 4px;font-size:20px;color:var(--navy)}
.finder p{margin:0 0 14px;font-size:14px;color:var(--muted)}
.finder .dims{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;align-items:end}
.finder label{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:600}
.finder select{height:48px;border:1.5px solid var(--line-strong);border-radius:8px;background:#fff;padding:0 10px;font-size:16px}
.finder .btn{width:100%;margin-top:12px}
.finder .help{display:block;margin-top:10px;font-size:13px}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:999px;background:#fff;border:1.5px solid var(--line-strong);text-decoration:none;color:var(--navy);font-weight:600;font-size:14px;white-space:nowrap}
.chip:hover{border-color:var(--navy)}
.chips.scroll{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.chips.scroll::-webkit-scrollbar{display:none}

/* proof */
.proof{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.proof > div{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px;display:flex;gap:12px;align-items:flex-start}
.proof b{display:block;color:var(--navy);font-size:15px;line-height:1.3}
.proof span{font-size:13px;color:var(--muted)}

/* quality / need tiles */
.tier{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.6px;color:#fff;padding:3px 8px;border-radius:4px}
.tier.m8{background:var(--m8)}.tier.m11{background:var(--m11)}.tier.m13{background:var(--m13);color:#1B1300}.tier.carbon{background:var(--carbon)}

/* PDP controls */
fieldset{border:0;margin:0;padding:0;min-width:0}
legend{padding:0;width:100%}
.step{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--navy);font-size:16px;margin-bottom:10px}
.step i{font-style:normal;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:6px;background:var(--navy);color:#fff;font-size:14px}
.step .aside{margin-left:auto;font-weight:500;font-size:14px}
.opts{display:grid;gap:8px}
.opts.q{grid-template-columns:repeat(2,minmax(0,1fr))}
.opts.p{grid-template-columns:repeat(3,minmax(0,1fr))}
.opt{display:flex;flex-direction:column;align-items:flex-start;gap:2px;min-height:56px;padding:10px 12px;border-radius:10px;border:1.5px solid var(--line-strong);background:#fff;text-align:left;cursor:pointer}
.opt[aria-checked="true"]{border-color:var(--navy);box-shadow:inset 0 0 0 1px var(--navy);background:#F3F5FF}
.opt .t{font-weight:700;font-size:15px;display:flex;gap:6px;align-items:center}
.opt .s{font-size:13px;color:var(--muted)}
.opt .save{font-size:12.5px;font-weight:700;color:var(--ok)}
.buy{display:grid;gap:8px}
.buyopt{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:10px;border:1.5px solid var(--line-strong);background:#fff;cursor:pointer}
.buyopt[aria-checked="true"]{border-color:var(--navy);box-shadow:inset 0 0 0 1px var(--navy);background:#F3F5FF}
.buyopt .dot{flex:none;width:22px;height:22px;border-radius:50%;border:2px solid var(--line-strong);margin-top:2px;display:flex;align-items:center;justify-content:center;background:#fff}
.buyopt[aria-checked="true"] .dot{border-color:var(--navy)}
.buyopt[aria-checked="true"] .dot::after{content:"";width:10px;height:10px;border-radius:50%;background:var(--navy)}
.buyopt .t{font-weight:700}
.buyopt .s{font-size:13.5px;color:var(--muted)}
.buyopt .price{margin-left:auto;font-weight:700;color:var(--navy);white-space:nowrap}
.freq{display:flex;align-items:center;gap:8px;margin:8px 0 0 34px;font-size:14px}
.freq select{height:40px;border:1.5px solid var(--line-strong);border-radius:8px;background:#fff;padding:0 8px}
.freq[hidden]{display:none}
.ship{font-size:14px;color:var(--ok);font-weight:600}
table.spec{width:100%;border-collapse:collapse;font-size:14px}
table.spec th{text-align:left;font-weight:500;color:var(--muted);padding:8px 0;border-bottom:1px solid var(--line)}
table.spec td{text-align:right;padding:8px 0;border-bottom:1px solid var(--line);font-weight:600}

/* art */
.well{background:#fff;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.well small{position:absolute;bottom:10px;left:12px;font-size:13px;color:var(--muted)}

/* footer */
.ftr{background:var(--navy);color:#E4E8FF;box-shadow:0 60px 0 0 var(--navy)}
.ftr a{color:#fff}
.ftr .container{padding-top:44px;padding-bottom:36px;display:flex;flex-wrap:wrap;gap:28px 48px}
.ftr .col{flex:1 1 160px;display:flex;flex-direction:column;gap:8px;font-size:14px}
.ftr .col strong{color:#fff;margin-bottom:2px}
input[type=email]{height:48px;padding:0 14px;border:1.5px solid #C3C7D6;border-radius:8px;background:#fff}

/* phone pages: fixed 390 px canvas, centered on wider screens */
.phone-stage{background:#DDE1EE;min-height:100vh;display:flex;justify-content:center;padding:24px 0}
.phone{width:390px;max-width:100%;background:var(--bg);position:relative;box-shadow:0 10px 40px rgba(11,15,51,.18)}
.in-frame .phone-stage{padding:0;background:var(--bg)}
.in-frame .phone{box-shadow:none}
@media (max-width:430px){.phone-stage{padding:0;background:var(--bg)}.phone{box-shadow:none}}

/* desktop screens viewed on a phone */
@media (max-width:900px){
  .desk .proof{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .desk .container{padding:0 16px}
  .desk .cbar .in{padding:8px 16px}
  .desk .topmsg .container>div:last-child{display:none!important}
  .desk .hdr .container{gap:4px 12px;padding-top:8px;padding-bottom:10px}
  .desk .logo{order:1;margin-right:auto}
  .desk .hdr .container>:last-child{order:2}
  .desk .mainnav{order:3;flex:1 1 100%;flex-wrap:nowrap;overflow-x:auto;gap:22px;scrollbar-width:none}
  .desk .mainnav::-webkit-scrollbar{display:none}
  .desk .mainnav a{flex:none}
  .desk .search{order:4;flex:1 1 100%;max-width:none;margin-left:0}
  .desk .art-row{zoom:.65}
  .desk .opts.q{grid-template-columns:1fr 1fr}
}