/* ==========================================================================
   1800 RadioBox — Global Stylesheet
   Design language: "Tuning dial" — a dark dashboard surface with an amber
   signal glow and a frequency-tick rhythm borrowed from analog car radios.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  /* -- Color tokens -- */
  --bg-void:      #0b0d10;   /* dashboard black, blue-tinted not pure black */
  --bg-panel:     #15181d;   /* card / panel surface */
  --bg-panel-2:   #1b1f25;   /* raised panel (hover, inputs) */
  --line:         #262b31;   /* hairline borders */
  --line-soft:    #1e2227;
  --text-hi:      #f2f1ed;   /* headings / primary text */
  --text-body:    #c7cbd1;   /* body copy */
  --text-muted:   #868d96;   /* captions, meta */
  --amber:        #ff7a1a;   /* primary signal accent — dial glow */
  --amber-soft:   #ffb066;
  --signal-blue:  #3aa9ff;   /* secondary accent — "tune in" links */
  --ok-green:     #33c46a;
  --danger:       #ff5b5b;

  /* -- Type -- */
  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  /* -- Layout -- */
  --max-w: 1240px;
  --radius: 6px;
  --radius-lg: 14px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg-void);
  color:var(--text-body);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
input,select,textarea{ font-family:inherit; }

.container{
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 24px;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--text-hi);
  text-transform:uppercase;
  letter-spacing:.03em;
  margin:0 0 .5em;
  font-weight:600;
}
h1{ font-size:clamp(2rem,4vw,3.4rem); line-height:1.05; }
h2{ font-size:clamp(1.5rem,2.6vw,2.2rem); }
h3{ font-size:1.15rem; }
p{ margin:0 0 1em; }

:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:2px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- Signature element: frequency-tick divider ----------
   A horizontal strip that mimics an FM dial's tick marks & numerals.
   Used between major page sections instead of a generic <hr>. */
.freq-divider{
  --tick: var(--line);
  display:flex;
  align-items:flex-end;
  gap:6px;
  height:22px;
  margin:0 auto;
  max-width:var(--max-w);
  padding:0 24px;
  overflow:hidden;
  opacity:.9;
}
.freq-divider span{
  flex:1;
  min-width:2px;
  background:var(--tick);
  height:8px;
  border-radius:1px;
}
.freq-divider span:nth-child(5n){ height:16px; background:var(--amber); opacity:.6; }
.freq-divider span:nth-child(10n){ height:20px; background:var(--amber); opacity:.9; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--radius);
  font-family:var(--font-display);
  font-weight:600;
  font-size:.92rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  border:1px solid transparent;
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{ background:var(--amber); color:#1a0e00; }
.btn-primary:hover{ background:var(--amber-soft); }
.btn-outline{ background:transparent; color:var(--text-hi); border-color:var(--line); }
.btn-outline:hover{ border-color:var(--amber); color:var(--amber); }
.btn-dark{ background:var(--bg-panel-2); color:var(--text-hi); border-color:var(--line); }
.btn-dark:hover{ border-color:var(--signal-blue); }
.btn-block{ width:100%; }
.btn[disabled]{ opacity:.5; cursor:not-allowed; }

/* ---------- Top announcement bar ---------- */
.announce-bar{
  background:linear-gradient(90deg,#2a1400,#1a0f00);
  color:var(--amber-soft);
  text-align:center;
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.08em;
  padding:8px 16px;
  border-bottom:1px solid var(--line);
}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:40;
  background:rgba(11,13,16,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-row{
  display:flex;
  align-items:center;
  gap:28px;
  padding:14px 0;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-family:var(--font-display);
  font-size:1.3rem;
  color:var(--text-hi);
  white-space:nowrap;
}
.logo .dial{
  width:34px; height:34px; border-radius:50%;
  background:radial-gradient(circle at 35% 30%, var(--amber-soft), var(--amber) 55%, #7a3600 100%);
  box-shadow:0 0 14px rgba(255,122,26,.55);
  flex-shrink:0;
}
.logo strong{ color:var(--amber); }

.main-nav{ display:flex; gap:22px; flex:1; }
.main-nav a{
  font-family:var(--font-display);
  font-size:.86rem;
  letter-spacing:.05em;
  text-transform:uppercase;
  color:var(--text-body);
  padding:6px 0;
  border-bottom:2px solid transparent;
  transition:color .15s, border-color .15s;
}
.main-nav a:hover, .main-nav a.active{ color:var(--amber); border-color:var(--amber); }

.header-actions{ display:flex; align-items:center; gap:16px; }
.search-form{
  display:flex; align-items:center;
  background:var(--bg-panel-2);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 6px 6px 14px;
  min-width:220px;
}
.search-form input{
  background:transparent; border:none; color:var(--text-hi);
  font-size:.85rem; width:100%; outline:none;
}
.search-form button{
  background:var(--amber); color:#1a0e00; border:none;
  width:30px; height:30px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.icon-link{
  position:relative;
  width:38px; height:38px;
  display:flex; align-items:center; justify-content:center;
  border:1px solid var(--line); border-radius:50%;
  color:var(--text-hi);
  transition:border-color .15s, color .15s;
}
.icon-link:hover{ border-color:var(--amber); color:var(--amber); }
.cart-count{
  position:absolute; top:-6px; right:-6px;
  background:var(--amber); color:#1a0e00;
  font-family:var(--font-mono); font-size:.65rem; font-weight:700;
  min-width:18px; height:18px; border-radius:999px;
  display:flex; align-items:center; justify-content:center;
  padding:0 3px;
}
.nav-toggle{ display:none; }

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:88px 0 70px;
  background:
    radial-gradient(ellipse at 80% -10%, rgba(255,122,26,.14), transparent 55%),
    radial-gradient(ellipse at 10% 110%, rgba(58,169,255,.10), transparent 55%),
    var(--bg-void);
  overflow:hidden;
}
.hero-grid{
  display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center;
}
.eyebrow{
  font-family:var(--font-mono); color:var(--amber);
  font-size:.8rem; letter-spacing:.12em; text-transform:uppercase;
  display:flex; align-items:center; gap:10px; margin-bottom:16px;
}
.eyebrow::before{ content:''; width:8px; height:8px; border-radius:50%; background:var(--amber); box-shadow:0 0 8px var(--amber); }
.hero h1 span{ color:var(--amber); }
.hero-sub{ color:var(--text-body); font-size:1.05rem; max-width:46ch; }
.hero-ctas{ display:flex; gap:14px; margin-top:28px; flex-wrap:wrap; }

/* Equalizer — signature hero animation */
.eq{
  display:flex; align-items:flex-end; gap:5px; height:120px;
  padding:20px; background:var(--bg-panel); border:1px solid var(--line); border-radius:var(--radius-lg);
}
.eq i{
  flex:1; background:linear-gradient(180deg,var(--amber-soft),var(--amber));
  border-radius:3px 3px 0 0; animation:eqmove 1.2s ease-in-out infinite;
}
.eq i:nth-child(1){ animation-delay:-.9s; }
.eq i:nth-child(2){ animation-delay:-.6s; }
.eq i:nth-child(3){ animation-delay:-1.1s; }
.eq i:nth-child(4){ animation-delay:-.3s; }
.eq i:nth-child(5){ animation-delay:-.8s; }
.eq i:nth-child(6){ animation-delay:-.1s; }
.eq i:nth-child(7){ animation-delay:-1.3s; }
.eq i:nth-child(8){ animation-delay:-.5s; }
@keyframes eqmove{
  0%,100%{ height:18%; }
  50%{ height:92%; }
}
.hero-panel-label{
  display:flex; justify-content:space-between; margin-top:10px;
  font-family:var(--font-mono); font-size:.72rem; color:var(--text-muted);
}

/* ---------- Sections ---------- */
.section{ padding:64px 0; }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:28px; gap:20px; flex-wrap:wrap; }
.section-head p{ color:var(--text-muted); margin:0; max-width:60ch; }

/* ---------- Product grid / cards ---------- */
.grid{ display:grid; gap:22px; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); }
.card{
  background:var(--bg-panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:flex; flex-direction:column;
  transition:border-color .18s, transform .18s;
}
.card:hover{ border-color:var(--amber); transform:translateY(-3px); }
.card-media{
  aspect-ratio:1/1;
  background:var(--bg-panel-2);
  display:flex; align-items:center; justify-content:center;
  position:relative;
  border-bottom:1px solid var(--line);
}
.card-media img{ width:100%; height:100%; object-fit:contain; padding:18px; }
.badge{
  position:absolute; top:10px; left:10px;
  background:var(--amber); color:#1a0e00;
  font-family:var(--font-mono); font-size:.68rem; font-weight:700;
  padding:3px 8px; border-radius:4px; text-transform:uppercase;
}
.badge.blue{ background:var(--signal-blue); color:#001528; }
.card-body{ padding:16px 18px 18px; display:flex; flex-direction:column; gap:6px; flex:1; }
.card-brand{ font-family:var(--font-mono); font-size:.72rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:.06em; }
.card-title{ font-size:1rem; color:var(--text-hi); font-weight:600; margin:0; line-height:1.35; }
.card-title a:hover{ color:var(--amber); }
.card-price-row{ display:flex; align-items:baseline; gap:8px; margin-top:auto; padding-top:10px; }
.price{ font-family:var(--font-mono); color:var(--amber); font-weight:700; font-size:1.05rem; }
.price-strike{ font-family:var(--font-mono); color:var(--text-muted); text-decoration:line-through; font-size:.85rem; }
.card-actions{ display:flex; gap:8px; padding:0 18px 18px; }
.card-actions .btn{ flex:1; padding:10px 12px; font-size:.78rem; }

/* ---------- Category tiles ---------- */
.cat-tiles{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.cat-tile{
  position:relative; border-radius:var(--radius-lg); overflow:hidden;
  background:linear-gradient(160deg,var(--bg-panel-2),var(--bg-panel));
  border:1px solid var(--line); padding:32px 24px; min-height:150px;
  display:flex; flex-direction:column; justify-content:flex-end; gap:6px;
  transition:border-color .2s, transform .2s;
}
.cat-tile:hover{ border-color:var(--amber); transform:translateY(-2px); }
.cat-tile .tag{ font-family:var(--font-mono); font-size:.7rem; color:var(--amber); text-transform:uppercase; }

/* ---------- Why choose us ---------- */
.feature-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.feature{ background:var(--bg-panel); border:1px solid var(--line); border-radius:var(--radius-lg); padding:22px; }
.feature .num{ font-family:var(--font-mono); color:var(--amber); font-size:.78rem; }
.feature h3{ margin:10px 0 6px; }
.feature p{ color:var(--text-muted); font-size:.92rem; margin:0; }

/* ---------- Reviews ---------- */
.review-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.review{ background:var(--bg-panel); border:1px solid var(--line); border-radius:var(--radius-lg); padding:22px; }
.stars{ color:var(--amber); font-family:var(--font-mono); letter-spacing:2px; margin-bottom:10px; }
.review-author{ margin-top:14px; font-family:var(--font-display); color:var(--text-hi); font-size:.85rem; text-transform:uppercase; letter-spacing:.04em; }

/* ---------- Newsletter ---------- */
.newsletter{
  background:linear-gradient(120deg,#1a0f00,#0b0d10 60%);
  border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:44px; text-align:center;
}
.newsletter-form{ display:flex; gap:10px; max-width:440px; margin:22px auto 0; }
.newsletter-form input{
  flex:1; padding:13px 16px; border-radius:var(--radius); border:1px solid var(--line);
  background:var(--bg-panel-2); color:var(--text-hi);
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  font-family:var(--font-mono); font-size:.78rem; color:var(--text-muted);
  padding:18px 0; display:flex; gap:8px; flex-wrap:wrap;
}
.breadcrumb a:hover{ color:var(--amber); }

/* ---------- Page header (interior pages) ---------- */
.page-hero{
  padding:40px 0 30px; border-bottom:1px solid var(--line);
  background:radial-gradient(ellipse at 100% 0%, rgba(255,122,26,.10), transparent 60%);
}
.page-hero p{ color:var(--text-muted); max-width:70ch; }

/* ---------- Shop toolbar / filters ---------- */
.shop-layout{ display:grid; grid-template-columns:250px 1fr; gap:32px; }
.filters{ background:var(--bg-panel); border:1px solid var(--line); border-radius:var(--radius-lg); padding:20px; align-self:start; position:sticky; top:90px; }
.filters h3{ font-size:.9rem; margin-bottom:14px; }
.filter-group{ margin-bottom:20px; }
.filter-group label{ display:flex; align-items:center; gap:8px; font-size:.88rem; color:var(--text-body); padding:5px 0; cursor:pointer; }
.toolbar{ display:flex; justify-content:space-between; align-items:center; margin-bottom:20px; gap:14px; flex-wrap:wrap; }
.toolbar select{
  background:var(--bg-panel-2); color:var(--text-hi); border:1px solid var(--line);
  padding:9px 12px; border-radius:var(--radius);
}
.result-count{ font-family:var(--font-mono); font-size:.8rem; color:var(--text-muted); }

/* ---------- Product page ---------- */
.product-view{ display:grid; grid-template-columns:1fr 1fr; gap:48px; padding:40px 0; }
.gallery-main{ background:var(--bg-panel); border:1px solid var(--line); border-radius:var(--radius-lg); aspect-ratio:1/1; display:flex; align-items:center; justify-content:center; }
.gallery-main img{ width:80%; }
.gallery-thumbs{ display:flex; gap:10px; margin-top:12px; }
.gallery-thumbs button{ width:64px; height:64px; background:var(--bg-panel); border:1px solid var(--line); border-radius:8px; padding:8px; }
.gallery-thumbs button.active{ border-color:var(--amber); }
.product-meta{ display:flex; flex-direction:column; gap:4px; }
.sku-line{ font-family:var(--font-mono); font-size:.78rem; color:var(--text-muted); }
.stock{ display:inline-flex; align-items:center; gap:6px; font-family:var(--font-mono); font-size:.78rem; color:var(--ok-green); margin:8px 0; }
.stock::before{ content:''; width:7px; height:7px; border-radius:50%; background:var(--ok-green); }
.price-block{ display:flex; align-items:baseline; gap:12px; margin:14px 0; }
.price-block .price{ font-size:1.8rem; }
.qty-row{ display:flex; align-items:center; gap:14px; margin:20px 0; }
.qty-stepper{ display:flex; align-items:center; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.qty-stepper button{ background:var(--bg-panel-2); border:none; color:var(--text-hi); width:38px; height:40px; font-size:1.1rem; }
.qty-stepper input{ width:46px; text-align:center; background:var(--bg-void); border:none; color:var(--text-hi); height:40px; }
.pdp-actions{ display:flex; gap:12px; }
.pdp-actions .btn{ flex:1; padding:15px; }
.tab-nav{ display:flex; gap:26px; border-bottom:1px solid var(--line); margin-top:44px; }
.tab-nav button{ background:none; border:none; color:var(--text-muted); font-family:var(--font-display); text-transform:uppercase; letter-spacing:.05em; padding:12px 2px; border-bottom:2px solid transparent; font-size:.9rem; }
.tab-nav button.active{ color:var(--amber); border-color:var(--amber); }
.tab-panel{ padding:26px 0; display:none; }
.tab-panel.active{ display:block; }
.spec-table{ width:100%; border-collapse:collapse; }
.spec-table tr{ border-bottom:1px solid var(--line-soft); }
.spec-table td{ padding:10px 4px; font-size:.92rem; }
.spec-table td:first-child{ color:var(--text-muted); width:40%; }

/* ---------- Cart ---------- */
.cart-table{ width:100%; border-collapse:collapse; }
.cart-table th{ text-align:left; font-family:var(--font-mono); font-size:.72rem; text-transform:uppercase; color:var(--text-muted); padding:12px 8px; border-bottom:1px solid var(--line); }
.cart-table td{ padding:16px 8px; border-bottom:1px solid var(--line-soft); vertical-align:middle; }
.cart-item-info{ display:flex; gap:14px; align-items:center; }
.cart-item-info img{ width:64px; height:64px; object-fit:contain; background:var(--bg-panel); border:1px solid var(--line); border-radius:8px; padding:6px; }
.remove-link{ color:var(--danger); font-family:var(--font-mono); font-size:.78rem; }
.cart-summary{ background:var(--bg-panel); border:1px solid var(--line); border-radius:var(--radius-lg); padding:24px; }
.summary-row{ display:flex; justify-content:space-between; padding:8px 0; font-size:.92rem; }
.summary-row.total{ border-top:1px solid var(--line); margin-top:8px; padding-top:14px; font-family:var(--font-display); font-size:1.15rem; color:var(--text-hi); }
.summary-row.total .price{ font-size:1.15rem; }
.cart-empty{ text-align:center; padding:60px 20px; color:var(--text-muted); }

/* ---------- Checkout ---------- */
.checkout-grid{ display:grid; grid-template-columns:1.3fr 1fr; gap:40px; }
.form-panel{ background:var(--bg-panel); border:1px solid var(--line); border-radius:var(--radius-lg); padding:28px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-bottom:14px; }
.form-field{ display:flex; flex-direction:column; gap:6px; margin-bottom:14px; }
.form-field label{ font-size:.82rem; color:var(--text-muted); font-family:var(--font-mono); }
.form-field input, .form-field select, .form-field textarea{
  background:var(--bg-panel-2); border:1px solid var(--line); border-radius:var(--radius);
  padding:11px 13px; color:var(--text-hi);
}
.form-field input:focus, .form-field select:focus{ border-color:var(--amber); outline:none; }
fieldset{ border:1px solid var(--line); border-radius:var(--radius-lg); padding:18px; margin:0 0 20px; }
legend{ font-family:var(--font-display); text-transform:uppercase; font-size:.85rem; color:var(--amber); padding:0 8px; }
.pay-placeholder{ color:var(--text-muted); font-size:.85rem; border:1px dashed var(--line); border-radius:var(--radius); padding:16px; }
.field-error{ color:var(--danger); font-size:.78rem; display:none; }
.form-field.invalid input{ border-color:var(--danger); }
.form-field.invalid .field-error{ display:block; }

/* ---------- Contact / forms generic ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:start; }
.contact-info-card{ background:var(--bg-panel); border:1px solid var(--line); border-radius:var(--radius-lg); padding:26px; }
.contact-info-card .row{ display:flex; gap:12px; padding:12px 0; border-bottom:1px solid var(--line-soft); }
.contact-info-card .row:last-child{ border-bottom:none; }
.contact-info-card .label{ font-family:var(--font-mono); font-size:.72rem; color:var(--text-muted); text-transform:uppercase; }

/* ---------- FAQ accordion ---------- */
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{ width:100%; text-align:left; background:none; border:none; color:var(--text-hi); padding:18px 4px; display:flex; justify-content:space-between; font-family:var(--font-display); font-size:1rem; text-transform:uppercase; letter-spacing:.02em; }
.faq-q::after{ content:'+'; color:var(--amber); font-size:1.4rem; }
.faq-item.open .faq-q::after{ content:'\2212'; }
.faq-a{ display:none; padding:0 4px 20px; color:var(--text-muted); max-width:70ch; }
.faq-item.open .faq-a{ display:block; }

/* ---------- Legal pages ---------- */
.legal-body h2{ margin-top:2em; font-size:1.3rem; }
.legal-body{ max-width:78ch; }
.legal-body p, .legal-body li{ color:var(--text-body); }
.legal-body ul{ list-style:disc; padding-left:22px; margin-bottom:1em; }
.legal-updated{ font-family:var(--font-mono); color:var(--text-muted); font-size:.8rem; }

/* ---------- Footer ---------- */
.site-footer{ background:#08090b; border-top:1px solid var(--line); margin-top:80px; padding:56px 0 26px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px; }
.footer-grid h4{ color:var(--text-hi); font-size:.85rem; letter-spacing:.06em; }
.footer-grid li{ padding:6px 0; }
.footer-grid a:hover{ color:var(--amber); }
.footer-about p{ color:var(--text-muted); font-size:.9rem; max-width:34ch; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; margin-top:40px; padding-top:22px; border-top:1px solid var(--line); font-size:.8rem; color:var(--text-muted); flex-wrap:wrap; gap:10px; }
.footer-legal-note{ font-family:var(--font-mono); font-size:.72rem; color:#565c63; max-width:70ch; margin-top:10px; }

/* ---------- Toast ---------- */
.toast{
  position:fixed; bottom:24px; right:24px; z-index:100;
  background:var(--bg-panel); border:1px solid var(--amber); color:var(--text-hi);
  padding:14px 20px; border-radius:var(--radius); font-size:.9rem;
  transform:translateY(120%); transition:transform .3s ease;
}
.toast.show{ transform:translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid{ grid-template-columns:1fr; }
  .cat-tiles{ grid-template-columns:repeat(2,1fr); }
  .feature-row{ grid-template-columns:repeat(2,1fr); }
  .review-grid{ grid-template-columns:1fr; }
  .shop-layout{ grid-template-columns:1fr; }
  .filters{ position:static; }
  .product-view{ grid-template-columns:1fr; }
  .checkout-grid{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:700px){
  .main-nav{
    position:fixed; top:0; right:-100%; height:100vh; width:78vw; max-width:320px;
    background:var(--bg-panel); flex-direction:column; padding:90px 28px 28px;
    transition:right .25s ease; gap:6px; border-left:1px solid var(--line);
  }
  .main-nav.open{ right:0; }
  .nav-toggle{
    display:flex; align-items:center; justify-content:center;
    width:38px; height:38px; border:1px solid var(--line); border-radius:8px;
    background:none; color:var(--text-hi); order:3;
  }
  .search-form{ display:none; }
  .header-row{ flex-wrap:wrap; }
  .cat-tiles{ grid-template-columns:1fr; }
  .feature-row{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .form-row{ grid-template-columns:1fr; }
}