/*  Audiofrog HiFi — theme.css
    Type system: Helvetica only. Zero webfont requests.
    ------------------------------------------------------------------ */

:root{
  --af-black:#0a0b0a;
  --af-panel:#121412;
  --af-panel-2:#1a1d1a;
  --af-line:#2a2e2a;
  --af-line-2:#3a403a;
  --af-white:#ffffff;
  --af-text:#e8ebe8;
  --af-muted:#9aa39a;
  --af-green:#57d06a;
  --af-green-dk:#2f9c44;
  --af-amber:#ffc14d;

  --af-max:1240px;
  --af-gut:24px;
  --af-r:4px;

  /* 4-step type scale, Helvetica-optimised */
  --t-display:clamp(2.6rem,6vw,5rem);
  --t-h1:clamp(2rem,4.2vw,3.25rem);
  --t-h2:clamp(1.5rem,2.6vw,2.125rem);
  --t-h3:1.125rem;
  --t-body:1rem;
  --t-small:.8125rem;

  --font:"Helvetica Neue",Helvetica,Arial,"Liberation Sans","Nimbus Sans",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--af-black);color:var(--af-text);
  font-family:var(--font);font-size:var(--t-body);line-height:1.6;
  font-weight:400;letter-spacing:-0.005em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
p{margin:0 0 1em}

/* Helvetica needs tight tracking at display sizes and loose at small sizes */
h1,h2,h3,h4{font-family:var(--font);font-weight:700;line-height:1.05;margin:0 0 .5em;letter-spacing:-0.03em}
h1{font-size:var(--t-h1)}
h2{font-size:var(--t-h2)}
h3{font-size:var(--t-h3);letter-spacing:-0.015em;line-height:1.25}

.af-wrap{max-width:var(--af-max);margin:0 auto;padding:0 var(--af-gut)}
.af-eyebrow{
  font-size:.6875rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--af-green);margin:0 0 14px
}
.af-eyebrow--muted{color:var(--af-muted)}
.af-lede{font-size:1.0625rem;color:var(--af-muted);max-width:62ch}

/* ---------- Accessibility ---------- */
.af-skip{
  position:absolute;left:-9999px;top:0;z-index:200;background:var(--af-green);
  color:#04140a;padding:12px 18px;font-weight:700
}
.af-skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--af-green);outline-offset:3px;border-radius:2px}
.af-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Buttons: min 44px touch target ---------- */
.af-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--af-r);border:1px solid transparent;
  font-family:var(--font);font-size:.9375rem;font-weight:700;letter-spacing:-0.01em;
  cursor:pointer;transition:background .15s,border-color .15s,color .15s,transform .1s
}
.af-btn:active{transform:translateY(1px)}
.af-btn--primary{background:var(--af-green);color:#04140a}
.af-btn--primary:hover{background:#6be07e}
.af-btn--ghost{border-color:var(--af-line-2);color:var(--af-text);background:transparent}
.af-btn--ghost:hover{border-color:var(--af-green);color:var(--af-green)}
.af-btn--sm{min-height:40px;padding:0 16px;font-size:.8125rem}
.af-btn--block{width:100%}

/* ---------- Header ---------- */
.af-utility{
  background:#050605;border-bottom:1px solid var(--af-line);
  font-size:var(--t-small);color:var(--af-muted)
}
.af-utility .af-wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px;flex-wrap:wrap}
.af-utility a{padding:6px 0}
.af-utility a:hover{color:var(--af-green)}
.af-utility nav{display:flex;gap:20px;align-items:center}

.af-header{position:sticky;top:0;z-index:80;background:rgba(10,11,10,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--af-line)}
.af-header .af-wrap{display:flex;align-items:center;gap:28px;min-height:84px}
.af-logo{display:block;flex:none;line-height:0}
.af-logo img{width:150px;height:auto;display:block}
.af-footer .af-logo img{width:196px}
@media(max-width:600px){.af-logo img{width:112px}.af-header .af-wrap{min-height:70px}}
.af-nav{display:flex;gap:26px;margin-left:auto;align-items:center}
.af-nav a{font-size:.9375rem;font-weight:500;color:var(--af-text);padding:10px 0;position:relative}
.af-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:4px;height:2px;background:var(--af-green);transition:right .2s}
.af-nav a:hover::after,.af-nav a[aria-current="page"]::after{right:0}
.af-header-cta{display:flex;gap:10px;align-items:center}
.af-burger{display:none;background:none;border:1px solid var(--af-line-2);border-radius:var(--af-r);width:44px;height:44px;color:var(--af-text);cursor:pointer;margin-left:auto}

@media(max-width:960px){
  .af-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--af-panel);
    flex-direction:column;align-items:stretch;gap:0;padding:8px var(--af-gut) 20px;border-bottom:1px solid var(--af-line)}
  .af-nav.is-open{display:flex}
  .af-nav a{padding:14px 0;border-bottom:1px solid var(--af-line)}
  .af-burger{display:block}
  .af-header-cta{display:none}
}

/* ---------- Hero ---------- */
.af-hero{position:relative;min-height:78vh;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--af-line)}
.af-hero__media{position:absolute;inset:0}
.af-hero__media img{width:100%;height:100%;object-fit:cover;opacity:.85}
.af-hero__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,7,6,.96) 0%,rgba(6,7,6,.82) 42%,rgba(6,7,6,.25) 100%)
}
.af-hero .af-wrap{position:relative;z-index:2;padding-top:84px;padding-bottom:84px}
.af-hero h1{font-size:var(--t-display);max-width:14ch;margin-bottom:20px}
.af-hero p{max-width:52ch;font-size:1.125rem;color:#c8cfc8}
.af-hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.af-hero__meta{display:flex;gap:28px;margin-top:44px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--af-line)}
.af-hero__meta div{min-width:96px}
.af-hero__meta b{display:block;font-size:1.375rem;letter-spacing:-0.03em}
.af-hero__meta span{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--af-muted)}

/* ---------- Fitment finder ---------- */
.af-fit{background:var(--af-panel);border-bottom:1px solid var(--af-line);padding:28px 0}
.af-fit__inner{display:grid;grid-template-columns:auto repeat(3,1fr) auto;gap:12px;align-items:end}
.af-fit__label{padding-bottom:12px;max-width:180px}
.af-fit__label strong{display:block;font-size:.9375rem;letter-spacing:-0.02em}
.af-fit__label span{font-size:var(--t-small);color:var(--af-muted)}
.af-field label{display:block;font-size:.6875rem;text-transform:uppercase;letter-spacing:.12em;color:var(--af-muted);margin-bottom:7px}
.af-field select{
  width:100%;min-height:48px;background:var(--af-black);color:var(--af-text);
  border:1px solid var(--af-line-2);border-radius:var(--af-r);padding:0 14px;
  font-family:var(--font);font-size:.9375rem;appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--af-muted) 50%),linear-gradient(135deg,var(--af-muted) 50%,transparent 50%);
  background-position:calc(100% - 19px) 21px,calc(100% - 13px) 21px;background-size:6px 6px;background-repeat:no-repeat
}
.af-fit__result{margin-top:16px;font-size:.9375rem;color:var(--af-green);display:none}
.af-fit__result.is-shown{display:block}
@media(max-width:900px){.af-fit__inner{grid-template-columns:1fr 1fr}.af-fit__label{grid-column:1/-1;max-width:none}.af-fit .af-btn{grid-column:1/-1}}

/* ---------- Sections ---------- */
.af-section{padding:88px 0;border-bottom:1px solid var(--af-line)}
.af-section--tight{padding:60px 0}
.af-section__head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.af-section__head p{margin:0}

/* ---------- Doors (4 routes) ---------- */
.af-doors{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--af-line)}
.af-door{background:var(--af-panel);padding:34px 26px 30px;transition:background .18s;display:block}
.af-door:hover{background:var(--af-panel-2)}
.af-door__num{font-size:.6875rem;letter-spacing:.16em;color:var(--af-green);font-weight:700}
.af-door h3{margin:16px 0 8px;font-size:1.25rem}
.af-door p{color:var(--af-muted);font-size:.9375rem;margin-bottom:14px}
.af-door__go{font-size:.8125rem;font-weight:700;color:var(--af-green)}
@media(max-width:860px){.af-doors{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.af-doors{grid-template-columns:1fr}}

/* ---------- Product cards ---------- */
.af-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:22px}
.af-card{background:var(--af-panel);border:1px solid var(--af-line);border-radius:var(--af-r);overflow:hidden;display:flex;flex-direction:column;transition:border-color .18s,transform .18s}
.af-card:hover{border-color:var(--af-line-2);transform:translateY(-2px)}
.af-card__media{aspect-ratio:4/3;background:#0e100e;overflow:hidden}
.af-card__media img{width:100%;height:100%;object-fit:cover}
.af-card__body{padding:18px;display:flex;flex-direction:column;flex:1}
.af-card__series{font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;color:var(--af-muted);font-weight:700}
.af-card h3{margin:9px 0 6px;font-size:1rem}
.af-card h3 a:hover{color:var(--af-green)}
.af-card__fit{font-size:var(--t-small);color:var(--af-muted);margin:0 0 14px}
.af-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px solid var(--af-line)}
.af-price{font-size:1.0625rem;font-weight:700;letter-spacing:-0.02em}
.af-price small{display:block;font-size:.625rem;letter-spacing:.1em;text-transform:uppercase;color:var(--af-muted);font-weight:400}
.af-badge{display:inline-block;font-size:.625rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:5px 9px;border-radius:2px;background:rgba(87,208,106,.14);color:var(--af-green);border:1px solid rgba(87,208,106,.3)}
.af-badge--fit{background:rgba(255,193,77,.12);color:var(--af-amber);border-color:rgba(255,193,77,.28)}

/* ---------- Split feature ---------- */
.af-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.af-split__media img{border-radius:var(--af-r);border:1px solid var(--af-line)}
@media(max-width:880px){.af-split{grid-template-columns:1fr;gap:32px}}

/* ---------- Spec table ---------- */
.af-specs{width:100%;border-collapse:collapse;font-size:.9375rem}
.af-specs caption{text-align:left;font-weight:700;padding-bottom:12px;letter-spacing:-0.02em}
.af-specs th,.af-specs td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--af-line)}
.af-specs th{color:var(--af-muted);font-weight:400;width:52%}
.af-specs td{font-variant-numeric:tabular-nums;font-weight:500}
.af-specs tr:hover{background:var(--af-panel)}

/* ---------- Proof strip ---------- */
.af-proof{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:left}
.af-proof div{padding-left:16px;border-left:2px solid var(--af-green)}
.af-proof b{display:block;font-size:1.75rem;letter-spacing:-0.04em;line-height:1.1}
.af-proof span{font-size:.8125rem;color:var(--af-muted)}
@media(max-width:760px){.af-proof{grid-template-columns:1fr 1fr}}

/* ---------- Academy / posts ---------- */
.af-posts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.af-post{background:var(--af-panel);border:1px solid var(--af-line);border-radius:var(--af-r);padding:26px;display:flex;flex-direction:column}
.af-post__cat{font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;color:var(--af-green);font-weight:700}
.af-post h3{margin:14px 0 10px;font-size:1.125rem;line-height:1.3}
.af-post p{color:var(--af-muted);font-size:.9375rem}
.af-post__by{margin-top:auto;padding-top:16px;font-size:var(--t-small);color:var(--af-muted);border-top:1px solid var(--af-line)}
@media(max-width:860px){.af-posts{grid-template-columns:1fr}}

/* ---------- Newsletter ---------- */
.af-cta-band{background:linear-gradient(180deg,var(--af-panel),var(--af-black));text-align:center}
.af-form{display:flex;gap:10px;max-width:480px;margin:24px auto 10px}
.af-form input{
  flex:1;min-height:48px;background:var(--af-black);border:1px solid var(--af-line-2);
  border-radius:var(--af-r);color:var(--af-text);padding:0 14px;font-family:var(--font);font-size:.9375rem
}
@media(max-width:520px){.af-form{flex-direction:column}}

/* ---------- Footer ---------- */
.af-footer{background:#050605;padding:64px 0 28px;font-size:.9375rem}
.af-footer__cols{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:32px}
.af-footer h4{font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;color:var(--af-muted);margin-bottom:14px;font-weight:700}
.af-footer ul{list-style:none;margin:0;padding:0}
.af-footer li{margin-bottom:9px}
.af-footer a:hover{color:var(--af-green)}
.af-address{font-style:normal;color:var(--af-muted);margin:0 0 18px;line-height:1.55;font-size:.9375rem}
.af-address b{display:block;color:var(--af-text);font-weight:700;letter-spacing:.02em;font-size:.8125rem;text-transform:uppercase;margin-bottom:4px}
.af-address a{color:var(--af-muted);text-decoration:underline;text-underline-offset:2px}
.af-address a:hover{color:var(--af-green)}
.af-footer__bar{margin-top:44px;padding-top:22px;border-top:1px solid var(--af-line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--af-muted);font-size:var(--t-small)}
@media(max-width:900px){.af-footer__cols{grid-template-columns:1fr 1fr}}

/* ---------- Breadcrumbs ---------- */
.af-crumbs{font-size:var(--t-small);color:var(--af-muted);padding:18px 0}
.af-crumbs a:hover{color:var(--af-green)}
.af-crumbs span{margin:0 8px;opacity:.5}

/* ---------- Article ---------- */
.af-article{max-width:72ch;margin:0 auto;padding:56px 0}
.af-article p,.af-article li{font-size:1.0625rem;line-height:1.75}
.af-article h2{margin-top:1.8em}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}