/* crampons.net — global stylesheet
   Perf rules: system fonts only, no images required, single file, ~9 KB.
   Palette: steel ink / glacier ice / forged orange. Signature: spike-strip divider. */

:root{
  --ink:#16232c;        /* steel blue-black */
  --slate:#4a6272;      /* secondary text */
  --ice:#edf4f8;        /* page background */
  --paper:#ffffff;
  --frost:#cbdde7;      /* hairlines */
  --signal:#e2560f;     /* forged orange — decorative fills */
  --signal-light:#f26a1b;/* orange text on --ink: 5.2:1 (AA) */
  --signal-dark:#b83f05;/* solid button/badge fill under #fff: 5.6:1 (AA) */
  --signal-deep:#8f3104;/* hover state for those fills: 8.0:1 */
  --ok:#1c7a4d;
  --max:72rem;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:1.0625rem;line-height:1.65;
  color:var(--ink);background:var(--ice);
}

h1,h2,h3{line-height:1.15;letter-spacing:-.02em;font-weight:800;margin:0 0 .6em}
h1{font-size:clamp(1.9rem,4.5vw,3rem)}
h2{font-size:clamp(1.4rem,3vw,1.9rem);margin-top:2em}
h3{font-size:1.15rem;margin-top:1.6em}
p{margin:0 0 1.1em}
a{color:var(--signal-dark);text-underline-offset:2px}
a:hover{color:var(--signal)}
a:focus-visible,button:focus-visible{outline:3px solid var(--signal);outline-offset:2px;border-radius:2px}

.eyebrow{
  display:block;font-size:.72rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--slate);margin-bottom:.5rem
}

/* ---------- header ---------- */
.site-head{background:var(--ink);color:#fff}
.site-head .wrap{display:flex;align-items:center;gap:1.25rem;flex-wrap:wrap;padding:.8rem 1.25rem}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}
.brand{display:flex;align-items:center;gap:.5rem;color:#fff;text-decoration:none;font-weight:800;font-size:1.2rem;letter-spacing:-.01em}
.brand svg{flex:none}
.brand .tld{color:var(--signal-light);font-weight:600}

.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--slate);color:#fff;font:inherit;padding:.35rem .7rem;border-radius:4px;cursor:pointer}
.site-nav{margin-left:auto}
.site-nav ul{display:flex;gap:.25rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.site-nav a{color:#e6eef4;text-decoration:none;font-size:.92rem;font-weight:600;padding:.45rem .7rem;border-radius:4px;display:block}
.site-nav a:hover,.site-nav a[aria-current="page"]{background:rgba(255,255,255,.12);color:#fff}

@media (max-width:760px){
  .nav-toggle{display:block}
  .site-nav{display:none;flex-basis:100%}
  .site-nav.open{display:block}
  .site-nav ul{flex-direction:column;padding-bottom:.5rem}
}

/* ---------- spike strip (signature) ---------- */
.spikes{
  height:14px;
  background:
    linear-gradient(135deg,var(--ink) 50%,transparent 50%) 0 0/14px 14px,
    linear-gradient(45deg,transparent 50%,var(--ink) 50%) 0 0/14px 14px;
}
.spikes.orange{
  background:
    linear-gradient(135deg,var(--signal) 50%,transparent 50%) 0 0/14px 14px,
    linear-gradient(45deg,transparent 50%,var(--signal) 50%) 0 0/14px 14px;
}

/* ---------- hero ---------- */
.hero{background:var(--ink);color:#fff;padding:3rem 0 3.5rem}
.hero h1{color:#fff;max-width:22ch}
.hero p{color:#c6d6e0;max-width:58ch;font-size:1.15rem}
.hero .eyebrow{color:var(--signal-light)}
.hero-ctas{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.5rem}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-weight:700;text-decoration:none;border-radius:6px;padding:.7rem 1.2rem;font-size:.98rem}
.btn-solid{background:var(--signal-dark);color:#fff}
.btn-solid:hover{background:var(--signal-deep);color:#fff}
.btn-ghost{border:2px solid var(--frost);color:#fff}
.btn-ghost:hover{border-color:var(--signal);color:#fff}
.btn-amz{background:var(--signal-dark);color:#fff;text-align:center}
.btn-amz:hover{background:var(--signal-deep);color:#fff}

/* ---------- layout blocks ---------- */
main{padding:2.5rem 0 3.5rem}
.content{max-width:46rem}
.section{margin-top:3rem}
.grid{display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(15.5rem,1fr));margin:1.5rem 0}

.card{background:var(--paper);border:1px solid var(--frost);border-radius:10px;padding:1.25rem;display:flex;flex-direction:column;gap:.4rem}
.card h3{margin:0;font-size:1.08rem}
.card p{font-size:.95rem;color:var(--slate);margin:0}
.card .btn{margin-top:auto;align-self:start}
.card a.cover{color:inherit;text-decoration:none}
.card a.cover:hover h3{color:var(--signal-dark)}

/* badges & spike rating */
.badge{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:var(--ice);border:1px solid var(--frost);border-radius:999px;padding:.15rem .6rem;color:var(--slate)}
.badge.pick{background:var(--signal-dark);border-color:var(--signal-dark);color:#fff}
.rating{color:var(--signal);font-size:.9rem;letter-spacing:.1em}
.rating span{color:var(--frost)}
.price{font-weight:700;font-size:.95rem;color:var(--ink)}

/* product card */
.product{background:var(--paper);border:1px solid var(--frost);border-left:5px solid var(--signal);border-radius:10px;padding:1.4rem;margin:1.4rem 0}
.product header{display:flex;align-items:baseline;gap:.7rem;flex-wrap:wrap;margin-bottom:.4rem}
.product h3{margin:0}
.product ul{margin:.6rem 0;padding-left:1.2rem}
.product li{margin:.25rem 0}
.pros-cons{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));font-size:.95rem}
.pros-cons h4{margin:.4rem 0 .3rem;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase}
.pros-cons .pro h4{color:var(--ok)}
.pros-cons .con h4{color:var(--signal-dark)}
.pros-cons ul{margin:0;padding-left:1.1rem}

/* tables */
.table-wrap{overflow-x:auto;margin:1.5rem 0;background:var(--paper);border:1px solid var(--frost);border-radius:10px}
table{border-collapse:collapse;width:100%;font-size:.93rem;min-width:38rem}
caption{text-align:left;font-weight:700;padding:1rem 1rem .25rem}
th,td{text-align:left;padding:.65rem .9rem;border-top:1px solid var(--frost);font-variant-numeric:tabular-nums}
thead th{border-top:0;background:var(--ice);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--slate)}
tbody tr:hover{background:#f6fafc}

/* callouts */
.note{background:var(--paper);border:1px solid var(--frost);border-left:5px solid var(--slate);border-radius:8px;padding:1rem 1.2rem;margin:1.4rem 0;font-size:.97rem}
.note.warn{border-left-color:var(--signal)}

/* breadcrumb */
.crumbs{font-size:.85rem;color:var(--slate);margin-bottom:1.4rem}
.crumbs a{color:var(--slate)}
.crumbs a:hover{color:var(--signal-dark)}

/* disclosure line */
.disclosure{font-size:.85rem;color:var(--slate);border-bottom:1px solid var(--frost);padding-bottom:.9rem;margin-bottom:1.6rem}

/* FAQ */
details{background:var(--paper);border:1px solid var(--frost);border-radius:8px;padding:.9rem 1.1rem;margin:.6rem 0}
summary{font-weight:700;cursor:pointer}
details p{margin:.7em 0 0}

/* ---------- footer ---------- */
.site-foot{background:var(--ink);color:#b9c9d4;padding:2.5rem 0 2rem;font-size:.92rem}
.site-foot h2{color:#fff;font-size:1rem;margin:0 0 .8rem;letter-spacing:.04em;text-transform:uppercase}
.foot-grid{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr))}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{margin:.35rem 0}
.site-foot a{color:#d9e5ec;text-decoration:none}
.site-foot a:hover{color:var(--signal);text-decoration:underline}
.foot-legal{border-top:1px solid #2c3f4d;margin-top:2rem;padding-top:1.2rem;font-size:.82rem;color:#8fa5b3}