/* Clamp Shack — light industrial storefront mockup. Elite Web Design. */
:root{
  --bg:#ffffff; --surface:#f4f7fb; --surface2:#eef3f9; --line:#e2e8f1; --line2:#eef2f7;
  --ink:#16233b; --muted:#5c6b86; --faint:#8a97ad;
  --blue:#1857c4; --blue-d:#0f3f97; --blue-l:#eaf1fd;
  --green:#12924e; --green-l:#e7f6ee; --red:#c53030; --red-l:#fdecec; --amber:#b7791f; --amber-l:#fdf4e3;
  --radius:12px; --shadow:0 1px 2px rgba(20,40,80,.05), 0 8px 24px -12px rgba(20,40,80,.12);
  --font:'Open Sans',-apple-system,system-ui,'Segoe UI',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;padding:12px 22px;border-radius:10px;border:1px solid transparent;cursor:pointer;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-d)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-sm{padding:9px 16px;font-size:14px}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:5px 11px;border-radius:999px;background:var(--blue-l);color:var(--blue-d)}
.tag-instock{color:var(--green);background:var(--green-l);font-weight:600;font-size:12.5px;padding:3px 9px;border-radius:6px;display:inline-flex;gap:5px;align-items:center}
.tag-low{color:var(--amber);background:var(--amber-l)}
.tag-lead{color:var(--red);background:var(--red-l)}

/* preview strip */
.preview-strip{background:#16233b;color:#c7d2e4;font-size:12px;text-align:center;padding:6px;letter-spacing:.03em}
.preview-strip b{color:#fff}

/* announcement */
.announce{background:var(--surface2);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.announce .wrap{display:flex;gap:26px;align-items:center;height:38px;flex-wrap:wrap}
.announce span{display:inline-flex;gap:7px;align-items:center}
.announce b{color:var(--ink);font-weight:600}

/* header */
header.site{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);z-index:40}
.hdr{display:flex;align-items:center;gap:26px;height:76px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo .mk{width:40px;height:40px;border-radius:9px;background:linear-gradient(135deg,var(--blue),#2f7ae0);display:grid;place-items:center;color:#fff;font-weight:800;font-size:19px;box-shadow:0 4px 12px -3px rgba(24,87,196,.5)}
.logo .txt{line-height:1.05}
.logo .txt b{font-size:20px;font-weight:800;letter-spacing:-.02em;display:block}
.logo .txt small{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:600}
.search{flex:1;max-width:520px;position:relative}
.search input{width:100%;height:46px;border:1.5px solid var(--line);border-radius:10px;padding:0 16px 0 42px;font-size:14.5px;font-family:inherit;background:var(--surface);color:var(--ink)}
.search input:focus{outline:none;border-color:var(--blue);background:#fff}
.search svg{position:absolute;left:14px;top:13px;color:var(--faint)}
.hdr-actions{display:flex;align-items:center;gap:18px;margin-left:auto}
.hdr-actions a{display:flex;align-items:center;gap:7px;font-size:14px;font-weight:500;color:var(--muted)}
.hdr-actions a:hover{color:var(--blue)}
.cart-count{background:var(--blue);color:#fff;font-size:11px;font-weight:700;border-radius:999px;min-width:19px;height:19px;display:inline-grid;place-items:center;padding:0 5px}
nav.main{border-top:1px solid var(--line2)}
nav.main .wrap{display:flex;gap:28px;height:48px;align-items:center}
nav.main a{font-size:14.5px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:5px}
nav.main a:hover{color:var(--blue)}
nav.main a.on{color:var(--blue)}
nav.main .chev{color:var(--faint)}

/* hero */
.hero{background:linear-gradient(180deg,#fff,var(--surface))}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:56px 24px 60px}
.hero .eye{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-bottom:16px}
.hero h1{font-size:clamp(34px,4.6vw,52px);font-weight:800;letter-spacing:-.025em;line-height:1.04}
.hero p.sub{font-size:18px;color:var(--muted);margin-top:18px;max-width:44ch}
.hero .cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero .chips{display:flex;gap:20px;margin-top:30px;flex-wrap:wrap}
.hero .chips .c{display:flex;gap:9px;align-items:center;font-size:14px;color:var(--ink);font-weight:500}
.hero .chips .c svg{color:var(--green)}
.hero-img{border-radius:16px;overflow:hidden;background:var(--surface2);border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:16/11}
.hero-img img{width:100%;height:100%;object-fit:cover}

/* brand strip */
.brands{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.brands .wrap{display:flex;flex-direction:column;align-items:center;gap:18px;padding:30px 24px}
.brands .lbl{display:block;text-align:center;font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--faint)}
.brands .badges{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}
.brand-badge{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:14px 20px;border:1px solid var(--line);border-radius:10px;min-width:132px;height:88px;transition:.15s;background:#fff}
.brand-badge:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.brand-badge .blogo{height:30px;width:auto;max-width:130px;object-fit:contain}
.brand-badge small{font-size:11px;color:var(--faint);font-weight:600}

/* section */
.sec{padding:56px 0}
.sec.alt{background:var(--surface)}
.sec-head{text-align:center;max-width:640px;margin:0 auto 36px}
.sec-head h2{font-size:clamp(26px,3.2vw,34px);font-weight:800;letter-spacing:-.02em}
.sec-head p{color:var(--muted);font-size:16.5px;margin-top:10px}
.sec-head.left{text-align:left;margin-left:0}

/* category cards — image forward */
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cat{border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.18s;display:flex;flex-direction:column;overflow:hidden}
.cat:hover{border-color:var(--blue);box-shadow:var(--shadow);transform:translateY(-2px)}
.cat .thumb{aspect-ratio:4/3;background:var(--surface2);overflow:hidden;border-bottom:1px solid var(--line2)}
.cat .thumb img{width:100%;height:100%;object-fit:cover;transition:.35s}
.cat:hover .thumb img{transform:scale(1.04)}
.cat .cat-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px}
.cat h3{font-size:17px;font-weight:700}
.cat p{font-size:13.5px;color:var(--muted)}
.cat .n{margin-top:6px;font-size:12.5px;font-weight:600;color:var(--blue)}

/* buy-by-size feature band */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.feature .mini-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#fff}
.feature .mini-table .tt-cap{background:var(--ink);color:#dbe6f7;font-size:12px;padding:10px 14px;letter-spacing:.01em}
.feature .mini-table .tt-cap b{color:#fff}
.feature .mini-table .row{display:grid;grid-template-columns:1.35fr 62px 62px 62px 62px 92px;gap:0;font-size:12.5px;border-bottom:1px solid var(--line2);align-items:center}
.feature .mini-table .row:last-child{border-bottom:none}
.feature .mini-table .row.head{background:var(--surface);font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.03em;color:var(--faint)}
.feature .mini-table .row>div{padding:11px 12px}
.feature .mini-table .tp{text-align:center;font-variant-numeric:tabular-nums;font-weight:600}
.feature .mini-table .row.head .tp{font-weight:700}
.feature .mini-table .tp.best{color:var(--green);background:var(--green-l)}
.feature .mini-table .row .add{padding:8px 12px}
.feature .mini-table .addbtn{background:var(--blue);color:#fff;font-size:12.5px;font-weight:600;border:none;border-radius:7px;padding:7px 10px;width:100%;cursor:pointer}
.feature .mini-table .addbtn:hover{background:var(--blue-d)}

/* why band — image + benefits, no icon boxes */
.why-band{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}
.why-img{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:4/3;background:var(--surface2)}
.why-img img{width:100%;height:100%;object-fit:cover}
.why-copy h2{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.02em;margin-bottom:18px}
.benefits{list-style:none;display:flex;flex-direction:column;gap:14px}
.benefits li{position:relative;padding-left:30px;font-size:15px;color:var(--muted);line-height:1.5}
.benefits li b{color:var(--ink);font-weight:700}
.benefits li::before{content:"";position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:6px;background:var(--green-l) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2312924e' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5L20 7'/%3E%3C/svg%3E") center/14px no-repeat}

/* footer */
footer.site{background:#101d33;color:#b7c4da;padding:52px 0 26px;margin-top:8px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
footer.site h5{color:#fff;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}
footer.site ul{list-style:none;display:flex;flex-direction:column;gap:9px}
footer.site ul a{font-size:14px;color:#b7c4da}
footer.site ul a:hover{color:#fff}
footer.site .flogo b{color:#fff;font-size:20px;font-weight:800}
footer.site .flogo p{font-size:13.5px;margin-top:12px;max-width:32ch;color:#8fa0bd}
footer.site .fbot{border-top:1px solid #22314c;margin-top:34px;padding-top:20px;display:flex;justify-content:space-between;font-size:12.5px;color:#7f90ad;flex-wrap:wrap;gap:12px}

/* ===== product / buy-by-size page ===== */
.crumbs{font-size:13px;color:var(--muted);padding:18px 0}
.crumbs a:hover{color:var(--blue)} .crumbs span{color:var(--faint);margin:0 7px}
.pdp{display:grid;grid-template-columns:340px 1fr;gap:40px;padding-bottom:20px;align-items:start}
.pdp .media{position:sticky;top:140px}
.pdp .media .imgbox{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);aspect-ratio:1;box-shadow:var(--shadow)}
.pdp .media .imgbox img{width:100%;height:100%;object-fit:cover}
.pdp .media .specsheet{margin-top:14px;display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:14px;font-weight:600;color:var(--blue)}
.pdp .media .keyspecs{margin-top:16px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.pdp .media .keyspecs .k{display:flex;justify-content:space-between;padding:10px 14px;font-size:13px;border-bottom:1px solid var(--line2)}
.pdp .media .keyspecs .k:last-child{border-bottom:none}
.pdp .media .keyspecs .k span{color:var(--muted)} .pdp .media .keyspecs .k b{font-weight:600}
.pdp .brandmark{height:30px;width:auto;margin-bottom:12px}
.pdp h1{font-size:29px;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.pdp .lede{color:var(--muted);font-size:16px;margin-top:10px;max-width:60ch}
.pack{display:flex;align-items:center;gap:14px;margin:22px 0 6px}
.pack .lbl{font-size:14px;font-weight:700}
.toggle{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:var(--surface)}
.toggle button{border:none;background:transparent;padding:9px 18px;font-size:13.5px;font-weight:600;color:var(--muted);cursor:pointer}
.toggle button.on{background:var(--blue);color:#fff}
.volume{display:flex;align-items:center;gap:16px;background:var(--blue-l);border:1px solid #cfe0fb;border-radius:10px;padding:12px 16px;margin:14px 0 20px;font-size:13.5px;flex-wrap:wrap}
.volume b{color:var(--blue-d)}
.volume .tier{background:#fff;border:1px solid #cfe0fb;border-radius:7px;padding:5px 11px;font-weight:600;color:var(--blue-d)}

/* size table */
.sizetable{width:100%;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
table.sizes{width:100%;border-collapse:collapse;font-size:13.5px}
table.sizes thead th{background:var(--surface);text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--faint);font-weight:700;padding:12px 14px;border-bottom:1px solid var(--line)}
table.sizes td{padding:12px 14px;border-bottom:1px solid var(--line2);vertical-align:middle}
table.sizes tbody tr:last-child td{border-bottom:none}
table.sizes tbody tr:hover{background:var(--surface)}
table.sizes .pn{font-weight:700;font-variant-numeric:tabular-nums}
table.sizes .price{font-weight:700;font-size:15px;font-variant-numeric:tabular-nums}
table.sizes .price small{font-weight:500;color:var(--muted);font-size:12px}

/* dual in/mm diameter cell */
table.sizes .dia{line-height:1.25}
table.sizes .dia small{display:block;color:var(--muted);font-size:11.5px;font-weight:500}

/* tiered wholesale price columns */
table.sizes.tiered thead .tgrp{text-align:center;border-bottom:1px solid var(--line)}
table.sizes.tiered thead .tierhd th.t{text-align:center;padding-top:8px;padding-bottom:8px}
table.sizes td.t{text-align:center;font-variant-numeric:tabular-nums;font-weight:600;color:var(--muted);font-size:13px;border-left:1px solid var(--line2)}
table.sizes th.t.t1{border-left:1px solid var(--line2)}
table.sizes td.t.active{color:var(--ink);font-weight:800;font-size:15px;background:var(--blue-l);box-shadow:inset 0 0 0 1px #cfe0fb}
table.sizes td.t.t3.active{background:var(--green-l);box-shadow:inset 0 0 0 1px #b6e3c8}
.qty{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.qty button{border:none;background:var(--surface);width:30px;height:34px;font-size:16px;color:var(--muted);cursor:pointer}
.qty button:hover{background:var(--surface2);color:var(--blue)}
.qty input{width:46px;height:34px;border:none;text-align:center;font-family:inherit;font-size:14px;font-weight:600;border-left:1px solid var(--line);border-right:1px solid var(--line)}
.addrow{background:var(--blue);color:#fff;border:none;border-radius:8px;padding:9px 16px;font-size:13.5px;font-weight:600;cursor:pointer;white-space:nowrap}
.addrow:hover{background:var(--blue-d)}
.rowlead{color:var(--red);font-size:12.5px;font-weight:600}

/* toast */
.toast{position:fixed;right:22px;bottom:22px;background:var(--ink);color:#fff;padding:13px 18px;border-radius:10px;font-size:14px;font-weight:600;box-shadow:0 12px 30px -8px rgba(0,0,0,.4);display:flex;gap:10px;align-items:center;transform:translateY(20px);opacity:0;transition:.3s;z-index:80;pointer-events:none}
.toast.show{transform:none;opacity:1}
.toast .ck{color:#7ee2a8}

/* long description + full spec */
.pdp-more{padding:40px 0 10px;display:grid;grid-template-columns:1fr 1fr;gap:44px;border-top:1px solid var(--line);margin-top:28px}
.pdp-more h3{font-size:18px;font-weight:800;margin-bottom:12px}
.pdp-more p{color:var(--muted);font-size:14.5px;margin-bottom:12px}
.spectable{width:100%;border-collapse:collapse;font-size:13.5px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spectable td{padding:10px 14px;border-bottom:1px solid var(--line2)}
.spectable tr td:first-child{color:var(--muted);width:45%} .spectable tr td:last-child{font-weight:600}
.spectable tr:last-child td{border-bottom:none}

@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr;gap:32px;padding:40px 24px}
  .cats{grid-template-columns:1fr 1fr}
  .feature,.pdp,.pdp-more,.why-band{grid-template-columns:1fr}
  .why-img{max-width:420px}
  footer.site .cols{grid-template-columns:1fr 1fr}
  .search{display:none}
  .pdp .media{position:static}
  nav.main .wrap{overflow-x:auto}
  .sizetable{overflow-x:auto} table.sizes{min-width:760px}
}
@media(max-width:560px){
  .cats{grid-template-columns:1fr}
}