:root{
  --bg:#ffffff; --bg-alt:#f3f6f9; --text:#14222e; --muted:#51657a;
  --brand:#0b3c5d; --accent:#1d7a8c; --line:#dbe3ea; --on-brand:#ffffff;
  --radius:12px;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0e1a24; --bg-alt:#13222e; --text:#e8eef3; --muted:#9db0c0; --brand:#8cc7dc; --accent:#5fb8c9; --line:#25384a; --on-brand:#0e1a24;}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
a:focus-visible,.btn:focus-visible,.size:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--brand);color:var(--on-brand);padding:8px 14px;z-index:20}
.skip:focus{left:8px;top:8px}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.2;color:var(--brand);margin:0 0 14px}
h1{font-size:clamp(2rem,5vw,3rem)}
h2{font-size:1.6rem}
h3{font-size:1.1rem}
p{margin:0 0 14px}
.muted{color:var(--muted)}
.small{font-size:.9rem}
.lead{font-size:1.15rem;color:var(--muted);max-width:60ch}

/* header */
.site-header{border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:10}
.bar{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:700;font-size:1.15rem;color:var(--brand);text-decoration:none;white-space:nowrap}
.logo span{color:var(--muted);font-weight:500}
nav a{margin-left:20px;color:var(--text);text-decoration:none;font-size:.95rem}
nav a:hover{color:var(--accent)}

/* buttons */
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.btn{display:inline-block;background:var(--brand);color:var(--on-brand);padding:12px 22px;border-radius:8px;text-decoration:none;font-weight:600;border:2px solid var(--brand)}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--brand)}
.ext{font-weight:400}

/* sections */
.section{padding:56px 0}
.section.alt{background:var(--bg-alt)}
.section-lead{margin-top:-6px;margin-bottom:22px}
.hero{padding:72px 0 56px}
.hero-grid{display:grid;gap:36px;grid-template-columns:1.4fr 1fr;align-items:center}
.trust{list-style:none;margin:0;padding:22px 24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-alt)}
.trust li{padding:8px 0;border-bottom:1px solid var(--line);color:var(--muted)}
.trust li:last-child{border:0}
.trust strong{color:var(--text)}
.page-title{padding:34px 0 8px}
.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:10px}
.jump{margin-top:6px}
.two{display:grid;gap:40px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
dl{margin:0}
dt{font-weight:600;margin-top:14px}
dd{margin:2px 0 0;color:var(--muted)}

/* categories */
.cats{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin-top:16px}
.cat{display:flex;flex-direction:column;gap:4px;padding:24px;border-radius:var(--radius);background:var(--c);color:#fff;text-decoration:none}
.cat:hover{filter:brightness(1.1)}
.cat-name{font-size:1.25rem;font-weight:700}
.cat-blurb{opacity:.9;font-size:.95rem}
.cat-go{margin-top:10px;font-weight:600}

/* product cards */
.grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fill,minmax(290px,1fr))}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.card-visual{display:block;text-decoration:none}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.card-body .actions{margin-top:auto;padding-top:14px;flex-direction:column;align-items:stretch;gap:8px}
.card-body .actions .btn{text-align:center}
.card-body .actions .btn.ghost{border-color:transparent;padding:6px 0;text-decoration:underline}
.card h3 a{color:var(--brand);text-decoration:none}
.card h3 a:hover{text-decoration:underline}
.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;font-weight:700;color:var(--accent);margin-bottom:6px}
.thumb{aspect-ratio:4/3;background:var(--bg-alt);overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:contain;background:#fff}
.tile{background:linear-gradient(135deg,var(--c),color-mix(in srgb,var(--c) 70%,#000));color:#fff;display:flex;flex-direction:column;justify-content:flex-end;padding:20px;gap:2px}
.tile-cat{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;opacity:.85}
.tile-name{font-size:1.5rem;font-weight:700;line-height:1.15}
.thumb.big{border-radius:var(--radius);border:1px solid var(--line)}
.thumb.big .tile-name{font-size:2rem}

/* steps */
.steps{list-style:none;counter-reset:s;margin:20px 0 0;padding:0;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.steps li{counter-increment:s;border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:var(--bg)}
.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--brand);color:var(--on-brand);font-weight:700;margin-bottom:10px}
.steps p{color:var(--muted);margin:0}

/* product page */
.product-grid{display:grid;gap:36px;grid-template-columns:1fr 1.1fr;align-items:start}
.sizes{margin-top:26px}
.sizes h2,.note h2{font-size:1.15rem}
.size-grid{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.size{min-width:56px;text-align:center;padding:10px 14px;border:2px solid var(--brand);border-radius:8px;color:var(--brand);text-decoration:none;font-weight:700}
.size:hover{background:var(--brand);color:var(--on-brand)}
.note{margin-top:26px;padding:18px 20px;border-left:4px solid var(--accent);background:var(--bg-alt);border-radius:0 var(--radius) var(--radius) 0}
.note p{margin:0}
.sticky-cta{display:none}
section[id]{scroll-margin-top:72px}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:32px 0 44px;font-size:.88rem;color:var(--muted)}
.site-footer p{margin:0 0 8px;max-width:80ch}

@media (max-width:760px){
  .hero-grid,.product-grid{grid-template-columns:1fr}
  .hero{padding:48px 0 36px}
  nav a{margin-left:14px;font-size:.88rem}
  nav a:nth-child(2){display:none}
  .sticky-cta{display:block;position:fixed;left:0;right:0;bottom:0;padding:10px 16px;background:var(--bg);border-top:1px solid var(--line);z-index:15}
  .sticky-cta .btn{display:block;text-align:center}
  body:has(.sticky-cta){padding-bottom:70px}
}