/* ==========================================================================
   LIFTNEST — design system
   Palette: ink black base, chalk white, volt blue accent
   Type: Anton (display) + Barlow (body/UI)
   ========================================================================== */

:root{
  --ink:#0a0b0e;
  --steel:#13151a;
  --steel-2:#191c22;
  --line:#242833;
  --chalk:#f4f6f8;
  --dust:#9aa1ad;
  --volt:#2e62ff;
  --volt-hot:#1c4feb;
  --volt-soft:rgba(46,98,255,.14);
  --radius:8px;
  --wrap:1140px;
  --font-display:'Anton','Arial Narrow',Impact,sans-serif;
  --font-body:'Barlow',system-ui,-apple-system,'Segoe UI',sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--chalk);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--chalk);text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}

/* Signature motif: barbell knurling texture */
.knurl{
  height:10px;
  background:
    repeating-linear-gradient(45deg,transparent 0 4px,rgba(244,246,248,.07) 4px 5px),
    repeating-linear-gradient(-45deg,transparent 0 4px,rgba(244,246,248,.07) 4px 5px),
    var(--steel);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.knurl--volt{
  background:
    repeating-linear-gradient(45deg,transparent 0 4px,rgba(10,11,14,.35) 4px 5px),
    repeating-linear-gradient(-45deg,transparent 0 4px,rgba(10,11,14,.35) 4px 5px),
    var(--volt);
  border:0;
}

/* ---------- Header / nav ---------- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(10,11,14,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:var(--font-display);font-size:26px;letter-spacing:.5px;text-transform:uppercase;line-height:1}
.logo span{color:var(--volt)}
.nav{display:flex;gap:26px;align-items:center}
.nav a{font-weight:600;font-size:14.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--dust);position:relative;padding:4px 0}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--volt);transition:width .18s ease}
.nav a:hover,.nav a.active{color:var(--chalk)}
.nav a:hover::after,.nav a.active::after{width:100%}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:6px;color:var(--chalk);font-size:20px;line-height:1;padding:6px 10px;cursor:pointer}

/* Site-wide disclosure ribbon */
.disclosure{background:var(--steel);border-bottom:1px solid var(--line)}
.disclosure p{font-size:12.5px;color:var(--dust);text-align:center;padding:7px 22px;letter-spacing:.02em}

/* ---------- Hero ---------- */
.hero{padding:84px 0 72px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 340px at 78% 20%,var(--volt-soft),transparent 70%);
}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--volt);margin-bottom:18px}
.hero h1{
  font-family:var(--font-display);
  font-size:clamp(46px,7.2vw,88px);
  line-height:.98;text-transform:uppercase;letter-spacing:.5px;
  max-width:820px;
}
.hero h1 em{font-style:normal;color:var(--volt);display:inline-block;transform:skewX(-6deg)}
.hero p.sub{margin-top:22px;max-width:560px;font-size:19px;color:var(--dust)}
.hero .cta-row{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;background:var(--volt);color:#fff;
  font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.1em;
  padding:14px 24px;border-radius:6px;border:1px solid var(--volt);
  transition:background .15s ease,transform .15s ease;
}
.btn:hover{background:var(--volt-hot);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--chalk);border-color:var(--line)}
.btn--ghost:hover{background:var(--steel);border-color:var(--dust)}
.btn--amazon{width:100%;text-align:center;padding:13px 18px}

/* ---------- Sections ---------- */
.section{padding:70px 0}
.section--tint{background:var(--steel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-family:var(--font-display);font-size:clamp(30px,4vw,44px);text-transform:uppercase;letter-spacing:.5px;line-height:1.05}
.section-head .more{font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--volt);white-space:nowrap}
.section-head .more:hover{color:var(--chalk)}

/* ---------- Product cards ---------- */
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--steel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--dust)}
.card-media{
  aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;position:relative;
  background:
    repeating-linear-gradient(45deg,transparent 0 5px,rgba(244,246,248,.05) 5px 6px),
    repeating-linear-gradient(-45deg,transparent 0 5px,rgba(244,246,248,.05) 5px 6px),
    linear-gradient(160deg,var(--steel-2),var(--ink));
}
.card-media .illo{width:54%;max-width:220px;height:auto}
.card-media img.product-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.card-media .ph{
  font-family:var(--font-display);font-size:56px;text-transform:uppercase;
  color:transparent;-webkit-text-stroke:1.5px rgba(244,246,248,.28);letter-spacing:2px;
}
.card-media .tag{
  position:absolute;top:12px;left:12px;background:var(--volt);color:#fff;
  font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  padding:4px 9px;border-radius:4px;
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:19px;font-weight:700;line-height:1.3}
.card-body .desc{font-size:15px;color:var(--dust);flex:1}
.rating{display:flex;align-items:center;gap:8px;font-size:14px}
.rating .stars{color:var(--volt);letter-spacing:2px;font-size:15px}
.rating .score{color:var(--dust);font-weight:600}
.price{font-weight:700;font-size:17px;letter-spacing:.02em}
.price small{color:var(--dust);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.08em;margin-right:6px}
.price s{color:var(--dust);font-weight:600;font-size:14px;margin-left:8px}

/* ---------- Category signage rows ---------- */
.signage{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.sign{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;background:var(--steel);border-bottom:1px solid var(--line);
  transition:background .15s ease,padding-left .15s ease;
}
.sign:last-child{border-bottom:0}
.sign:hover{background:var(--steel-2);padding-left:34px}
.sign .name{font-family:var(--font-display);font-size:clamp(22px,3vw,32px);text-transform:uppercase;letter-spacing:.5px}
.sign .meta{color:var(--dust);font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.08em}
.sign .arrow{color:var(--volt);font-size:26px;font-weight:700;flex-shrink:0}

/* ---------- Blog cards ---------- */
.post-card{background:var(--steel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,border-color .18s ease}
.post-card:hover{transform:translateY(-4px);border-color:var(--dust)}
.post-card .card-media{aspect-ratio:16/9}
.post-card .card-media .ph{font-size:34px}
.post-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card .kicker{font-size:12px;font-weight:700;color:var(--volt);text-transform:uppercase;letter-spacing:.16em}
.post-card h3{font-size:20px;font-weight:700;line-height:1.35}
.post-card p{font-size:15px;color:var(--dust);flex:1}
.post-card .read{font-weight:700;font-size:13.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--chalk)}
.post-card .read span{color:var(--volt)}

/* ---------- Article layout ---------- */
.article-hero{padding:64px 0 34px}
.article-hero .kicker{font-size:13px;font-weight:700;color:var(--volt);text-transform:uppercase;letter-spacing:.18em}
.article-hero h1{font-family:var(--font-display);font-size:clamp(34px,5vw,58px);text-transform:uppercase;line-height:1.05;margin:14px 0 16px;max-width:860px}
.article-hero .byline{color:var(--dust);font-size:14.5px;font-weight:600;text-transform:uppercase;letter-spacing:.08em}
.featured-img{margin:26px 0 0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.featured-img .card-media{aspect-ratio:16/7}
.article{max-width:740px;margin:0 auto;padding:44px 22px 80px}
.article p{margin:0 0 22px;font-size:18px;color:#d7dbe1}
.article h2{font-family:var(--font-display);font-size:30px;text-transform:uppercase;letter-spacing:.5px;margin:44px 0 16px}
.article h3{font-size:21px;font-weight:700;margin:30px 0 12px}
.article ul,.article ol{margin:0 0 22px 22px;color:#d7dbe1;font-size:18px}
.article li{margin-bottom:8px}
.article .aff-note{font-size:14px;color:var(--dust);border-left:3px solid var(--volt);padding:10px 16px;background:var(--steel);border-radius:0 6px 6px 0;margin-bottom:30px}
.article .product-embed{margin:30px 0}
.article .product-embed .card{max-width:420px}

/* ---------- Page banner (inner pages) ---------- */
.page-banner{padding:60px 0 44px}
.page-banner h1{font-family:var(--font-display);font-size:clamp(38px,6vw,64px);text-transform:uppercase;line-height:1;letter-spacing:.5px}
.page-banner p{margin-top:14px;max-width:620px;color:var(--dust);font-size:18px}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:start}
.about-card{background:var(--steel);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.about-card h3{font-family:var(--font-display);font-size:22px;text-transform:uppercase;margin-bottom:14px}
.about-card ul{list-style:none}
.about-card li{padding:10px 0;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--dust)}
.about-card li:last-child{border-bottom:0}
.about-card li strong{color:var(--chalk)}

/* ---------- Footer ---------- */
footer{background:var(--steel);border-top:1px solid var(--line);margin-top:0}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;padding:54px 0 40px}
.foot .logo{margin-bottom:14px}
.foot p{color:var(--dust);font-size:14.5px;max-width:340px}
.foot h4{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--chalk);margin-bottom:14px}
.foot ul{list-style:none}
.foot li{margin-bottom:9px}
.foot a{color:var(--dust);font-size:14.5px}
.foot a:hover{color:var(--volt)}
.foot-legal{border-top:1px solid var(--line);padding:18px 0;font-size:12.5px;color:var(--dust);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* ---------- Focus & motion ---------- */
a:focus-visible,button:focus-visible{outline:2px solid var(--volt);outline-offset:3px;border-radius:4px}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .foot{grid-template-columns:1fr 1fr}
  .about-grid{grid-template-columns:1fr}
}
@media (max-width:680px){
  .logo-img{height:22px}
  .nav{
    position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--ink);border-bottom:1px solid var(--line);display:none;padding:8px 0 14px;
  }
  .nav.open{display:flex}
  .nav a{padding:12px 22px;width:100%}
  .nav a::after{display:none}
  .nav-toggle{display:block}
  .grid--3,.grid--2{grid-template-columns:1fr}
  .hero{padding:60px 0 54px}
  .sign{padding:18px 18px}
  .sign:hover{padding-left:22px}
  .foot{grid-template-columns:1fr;gap:26px}
}

/* ---------- Brand logo image ---------- */
.logo-img{height:28px;width:auto;display:block}
.logo-img--foot{height:32px;margin-bottom:14px}
.about-h{font-family:var(--font-display);font-size:26px;text-transform:uppercase;letter-spacing:.5px;margin:30px 0 12px}
.featured-img img{display:block;width:100%}
.card-media img.thumb{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}