/* MKUMBILWA CAR AUTOSERVICE — Stylesheet
   Derived from the approved Phase 1 mockup and Phase 2 design system. */

:root{
  --bg:#FAFAF7;
  --bg-alt:#F0EEE9;
  --ink:#17181B;
  --ink-soft:#4A4B50;
  --line:#DEDAD1;
  --card:#FFFFFF;
  --red:#C4281F;
  --red-deep:#8E1B15;
  --steel:#2E4C63;
  --amber:#D98E2A;
  --focus:#1E63B8;
  --radius:2px;
  --serif:Georgia,'Iowan Old Style','Palatino Linotype',Palatino,serif;
  --grot:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --mono:'SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace;
}
:root[data-theme="dark"]{
  --bg:#131416; --bg-alt:#1B1D20; --ink:#EDECE8; --ink-soft:#AFB0B4;
  --line:#33353A; --card:#1C1E21; --red:#E14A3B; --red-deep:#B8382C;
  --steel:#6FA0C2; --amber:#E3A64A;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#131416; --bg-alt:#1B1D20; --ink:#EDECE8; --ink-soft:#AFB0B4;
    --line:#33353A; --card:#1C1E21; --red:#E14A3B; --red-deep:#B8382C;
    --steel:#6FA0C2; --amber:#E3A64A;
  }
}
*{box-sizing:border-box;}
html,body{margin:0; padding:0;}
body{
  background:var(--bg); color:var(--ink); font-family:var(--grot);
  line-height:1.5; -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block;}
a{color:inherit;}
h1,h2,h3,h4{font-family:var(--serif); font-weight:700; margin:0; text-wrap:balance; letter-spacing:-0.01em;}
.eyebrow{font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--red); font-weight:700;}
.wrap{max-width:1180px; margin:0 auto; padding:0 24px;}
button{font-family:inherit; cursor:pointer;}

/* Nav */
.site-nav{position:sticky; top:0; z-index:150; background:var(--bg-alt); border-bottom:1px solid var(--line); box-shadow:0 2px 10px rgba(0,0,0,.05);}
.nav-row{display:flex; align-items:center; justify-content:space-between; gap:20px; padding:14px 24px;}
.brand{display:flex; align-items:center; gap:10px; font-family:var(--serif); font-weight:700; font-size:19px; text-decoration:none; color:var(--ink);}
.brand .mark{height:42px; width:auto; border-radius:4px; overflow:hidden; flex:0 0 auto; background:#0a0a0a; display:flex; align-items:center; justify-content:center; padding:2px 4px;}
.brand .mark img{height:100%; width:auto; object-fit:contain; display:block;}
.brand .sub{display:block; font-family:var(--mono); font-size:9.5px; letter-spacing:.12em; color:var(--ink-soft); font-weight:400; text-transform:uppercase;}
.nav-links{display:flex; gap:22px; list-style:none; margin:0; padding:0; font-size:14.5px;}
.nav-links a{text-decoration:none; color:var(--ink);}
.nav-right{display:flex; align-items:center; gap:14px;}
.lang-switch{display:flex; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; font-family:var(--mono); font-size:12px;}
.lang-switch button{border:0; background:var(--card); padding:6px 10px; color:var(--ink-soft);}
.lang-switch button.active{background:var(--ink); color:var(--bg); font-weight:700;}
.nav-cta{background:var(--red); color:#fff; border:0; padding:10px 18px; border-radius:var(--radius); font-size:13.5px; font-weight:700; letter-spacing:.03em; text-decoration:none;}
.burger{display:none; background:none; border:1px solid var(--line); padding:8px 10px; border-radius:var(--radius);}
.mobile-nav{display:none; flex-direction:column; border-top:1px solid var(--line); background:var(--bg);}
.mobile-nav.open{display:flex;}
.mobile-nav a{padding:14px 24px; text-decoration:none; color:var(--ink); border-bottom:1px solid var(--line); font-size:15px;}

/* Hero — full-bleed rotating photo background, each slide a self-contained
   image + headline + description + CTA unit that crossfades as one (rasha-style behavior, own design) */
.hero{
  position:relative; overflow:hidden; min-height:clamp(560px, 78vh, 760px);
  background:var(--ink);
}
.hero-slides{position:absolute; inset:0; z-index:0;}
.hs-slide{
  position:absolute; inset:0; opacity:0; transition:opacity 1.2s ease;
  display:flex; align-items:center; padding:96px 0 64px;
}
.hs-slide.active{opacity:1; z-index:1;}
.hs-slide img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block; z-index:0;}
.hero-scrim{
  position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(100deg, rgba(10,10,11,.88) 0%, rgba(10,10,11,.72) 32%, rgba(10,10,11,.38) 58%, rgba(10,10,11,.15) 78%),
    linear-gradient(0deg, rgba(10,10,11,.55) 0%, rgba(10,10,11,0) 40%);
}
.hs-content{position:relative; z-index:2; max-width:640px; padding-left:clamp(76px, 6vw, 84px); padding-right:24px;}
@media (max-width:640px){ .hs-content{padding-left:20px;} }
.hs-content .eyebrow{margin-bottom:14px; display:block; color:var(--amber);}
.hero h1{font-size:clamp(30px,4.4vw,54px); line-height:1.12; color:#fff; text-wrap:balance;}
.hero h1 em{font-style:normal; color:var(--red);}
.hero p.lead{font-size:17px; color:rgba(255,255,255,.82); max-width:46ch; margin:18px 0 28px;}
.cta-row{display:flex; gap:12px; flex-wrap:wrap;}
.btn{display:inline-flex; align-items:center; gap:8px; padding:13px 22px; border-radius:var(--radius); font-weight:700; font-size:14.5px; text-decoration:none; letter-spacing:.01em; border:1.5px solid transparent; transition:transform .15s ease, box-shadow .15s ease, background .15s ease;}
.btn:hover{transform:translateY(-2px); box-shadow:0 10px 20px rgba(17,17,20,.14);}
.btn:active{transform:translateY(0); box-shadow:none;}
@media (prefers-reduced-motion: reduce){ .btn{transition:background .15s ease;} .btn:hover{transform:none;} }
.btn-primary{background:var(--red); color:#fff;}
.btn-outline{background:transparent; color:var(--ink); border-color:var(--ink);}
.hero .btn-outline{color:#fff; border-color:rgba(255,255,255,.7);}
.btn-wa{background:#25D366; color:#fff;}
.btn-steel{background:var(--steel); color:#fff;}
.search-box{margin-top:32px; background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:6px; display:flex; gap:8px; max-width:480px; box-shadow:0 6px 18px rgba(0,0,0,.25);}
.search-box input{flex:1; border:0; background:transparent; padding:10px 12px; font-size:14.5px; color:var(--ink); outline:none;}
.search-box button{background:var(--ink); color:var(--bg); border:0; padding:0 18px; border-radius:1px; font-weight:700; font-size:13px;}
.search-hint{font-family:var(--mono); font-size:11.5px; color:rgba(255,255,255,.75); margin-top:8px;}

.hs-dots{position:absolute; bottom:22px; right:24px; z-index:3; display:flex; gap:7px;}
.hs-dot{width:8px; height:8px; border-radius:50%; border:1px solid rgba(255,255,255,.8); background:rgba(255,255,255,.35); padding:0; cursor:pointer;}
.hs-dot.active{background:var(--red); border-color:var(--red);}
.hs-prev, .hs-next{
  position:absolute; top:50%; transform:translateY(-50%); z-index:3;
  width:44px; height:44px; border-radius:50%; border:1px solid rgba(255,255,255,.35);
  background:rgba(10,10,11,.35); color:#fff; font-size:22px; line-height:1; cursor:pointer;
  display:flex; align-items:center; justify-content:center; transition:background .15s ease;
}
.hs-prev:hover, .hs-next:hover{background:rgba(10,10,11,.6);}
.hs-prev{left:18px;}
.hs-next{right:18px;}

/* Sections */
.section{padding:64px 0; border-bottom:1px solid var(--line); overflow:hidden;}
.section-head{max-width:640px; margin-bottom:40px;}
.section-head .eyebrow{display:block; margin-bottom:12px;}
.section-head .eyebrow::after{content:""; display:block; width:34px; height:3px; background:var(--red); margin-top:10px; border-radius:2px;}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head p{color:var(--ink-soft); font-size:15px; margin-top:10px;}
.section.alt{background:var(--bg-alt);}

/* Problem finder */
.problem-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px;}
.problem-card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:24px;
  cursor:pointer; transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  text-decoration:none; display:block; color:var(--ink); box-shadow:0 1px 2px rgba(17,17,20,.03);
}
.problem-card:hover{border-color:var(--red); transform:translateY(-3px); box-shadow:0 14px 28px rgba(17,17,20,.09);}
.problem-card .icon-badge{
  width:44px; height:44px; border-radius:50%; background:var(--bg-alt); border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; margin-bottom:16px;
  color:var(--red); transition:background .2s ease, border-color .2s ease, transform .2s ease;
}
.problem-card .icon-badge svg{width:22px; height:22px; stroke:currentColor; fill:none; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round;}
.problem-card:hover .icon-badge{background:var(--red); border-color:var(--red); color:#fff; transform:scale(1.06);}
.problem-card .q{font-weight:700; font-size:15.5px; margin-bottom:8px; line-height:1.3;}
.problem-card .a{font-size:13.5px; color:var(--ink-soft); line-height:1.5;}
.problem-card .go{font-family:var(--mono); font-size:11px; color:var(--red); margin-top:16px; display:inline-flex; align-items:center; gap:5px; font-weight:700;}
.problem-card .go .arrow{display:inline-block; transition:transform .2s ease;}
.problem-card:hover .go .arrow{transform:translateX(4px);}

/* Tabs / service cards */
.tab-bar{display:flex; gap:6px; flex-wrap:wrap; margin-bottom:28px; border-bottom:1px solid var(--line); padding-bottom:0;}
.tab-bar button{background:none; border:0; padding:10px 4px; margin-right:22px; font-size:14.5px; color:var(--ink-soft); border-bottom:2px solid transparent; font-weight:600;}
.tab-bar button.active{color:var(--ink); border-color:var(--red);}
.svc-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:16px;}
.svc-card{background:var(--card); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;}
.svc-thumb{aspect-ratio:16/10; background:var(--bg-alt);}
.svc-body{padding:16px;}
.svc-body h4{font-family:var(--grot); font-size:15px; font-weight:700;}
.svc-body p{font-size:13px; color:var(--ink-soft); margin:8px 0 12px;}
.svc-link{font-family:var(--mono); font-size:11px; font-weight:700; color:var(--red); text-decoration:none;}
.tab-panel{display:none;}
.tab-panel.active{display:block;}

/* ECU band */
.ecu-band{background:var(--ink); color:var(--bg); padding:60px 0;}
.ecu-band .eyebrow{color:var(--amber);}
.ecu-band .section-head p{color:#B9BABE;}
.ecu-band h2{color:var(--bg);}
.ecu-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px;}
.ecu-card{background:#1F2124; border:1px solid #34363A; padding:20px; border-radius:var(--radius);}
.ecu-card h4{font-family:var(--grot); color:var(--bg); font-size:15px;}
.ecu-card p{font-size:13px; color:#A9AAAE; margin:8px 0 0;}
.ecu-band .btn-outline{border-color:#666; color:var(--bg);}

/* File flow */
.file-flow{display:flex; gap:10px; overflow-x:auto; padding-bottom:8px;}
.file-step{flex:0 0 auto; width:150px; background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:14px; font-size:12.5px;}
.file-step .n{font-family:var(--mono); color:var(--red); font-weight:700; font-size:11px;}
.file-step p{margin:6px 0 0; color:var(--ink-soft);}

/* Quick capture */
.qc-demo-wrap{display:grid; grid-template-columns:1fr 1fr; gap:32px; align-items:center;}
.qc-flow{display:flex; flex-direction:column; gap:14px;}
.qc-flow .step{display:flex; gap:12px; align-items:flex-start;}
.qc-flow .step .num{width:26px; height:26px; border-radius:50%; background:var(--red); color:#fff; font-family:var(--mono); font-size:12px; font-weight:700; display:flex; align-items:center; justify-content:center; flex:0 0 auto;}
.qc-flow .step p{margin:0; font-size:14px; color:var(--ink-soft);}
.qc-flow .step strong{color:var(--ink); font-weight:700;}
.qc-popup-mock{position:relative; max-width:340px; margin:0 auto; background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:20px; box-shadow:0 12px 30px rgba(0,0,0,.12);}
.qc-popup-mock .close-x{position:absolute; top:10px; right:12px; color:var(--ink-soft); font-family:var(--mono); font-size:14px; background:none; border:0; cursor:pointer;}
.qc-popup-mock h5{font-size:15.5px; margin:0 0 6px; font-family:var(--serif); font-weight:700;}
.qc-popup-mock p{font-size:13px; color:var(--ink-soft); margin:0 0 14px;}
.qc-popup-mock input{width:100%; border:1px solid var(--line); border-radius:2px; padding:10px 11px; font-size:14px; background:var(--bg); color:var(--ink); margin-bottom:10px;}
.qc-popup-mock .btn{width:100%; justify-content:center;}
.qc-badge{display:inline-flex; align-items:center; gap:6px; font-family:var(--mono); font-size:10.5px; color:var(--steel); border:1px solid var(--line); padding:4px 9px; border-radius:20px; margin-bottom:12px;}

/* Real floating quick-capture widget */
.qc-float{
  position:fixed; bottom:16px; left:16px; z-index:130; max-width:320px; width:calc(100% - 32px);
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:18px;
  box-shadow:0 12px 30px rgba(0,0,0,.18); transform:translateY(140%); transition:transform .35s ease;
}
.qc-float.show{transform:translateY(0);}
.qc-float .close-x{position:absolute; top:8px; right:10px; background:none; border:0; color:var(--ink-soft); font-family:var(--mono); cursor:pointer; font-size:14px;}
.qc-float h5{font-size:14.5px; margin:0 0 6px; font-family:var(--serif);}
.qc-float p{font-size:12.5px; color:var(--ink-soft); margin:0 0 12px;}
.qc-float form{display:flex; gap:8px;}
.qc-float input{flex:1; border:1px solid var(--line); border-radius:2px; padding:9px 10px; font-size:13.5px; background:var(--bg); color:var(--ink);}
.qc-float button{background:var(--red); color:#fff; border:0; padding:0 14px; border-radius:2px; font-weight:700; font-size:12.5px;}
.qc-float .ok-msg{display:none; font-size:13px; color:#1E7A34; font-weight:600;}

/* Shop */
.shop-hero{display:grid; grid-template-columns:1.1fr .9fr; gap:40px; align-items:center; margin-bottom:40px;}
.shop-hero-img{aspect-ratio:4/3; border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); box-shadow:0 18px 40px rgba(17,17,20,.10); position:relative;}
.shop-hero-img::after{content:""; position:absolute; inset:0; border:1px solid rgba(255,255,255,.15); border-radius:inherit; pointer-events:none;}
.shop-hero-img img{width:100%; height:100%; object-fit:cover; display:block;}

.shop-filters{display:flex; gap:8px; flex-wrap:wrap; margin-bottom:24px;}
.shop-filter{
  font-family:var(--mono); font-size:11px; font-weight:700; letter-spacing:.03em; padding:9px 16px;
  border-radius:20px; border:1px solid var(--line); background:var(--card); color:var(--ink-soft); cursor:pointer;
  transition:background .15s ease, color .15s ease, border-color .15s ease;
}
.shop-filter:hover{border-color:var(--red); color:var(--ink);}
.shop-filter.active{background:var(--ink); color:var(--bg); border-color:var(--ink);}

.product-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:20px;}
.product-card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
  box-shadow:0 1px 2px rgba(17,17,20,.03); transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.product-card:hover{transform:translateY(-4px); box-shadow:0 16px 32px rgba(17,17,20,.10); border-color:var(--red);}
.product-thumb{
  aspect-ratio:1; background:var(--bg-alt); position:relative; display:flex; align-items:center; justify-content:center;
  padding:18px; overflow:hidden;
}
.product-thumb img{width:100%; height:100%; object-fit:contain; display:block; transition:transform .3s ease;}
.product-card:hover .product-thumb img{transform:scale(1.06);}
.product-thumb-placeholder{color:var(--line); width:100%; height:100%; display:flex; align-items:center; justify-content:center;}
.product-thumb-placeholder svg{width:38%; height:38%; stroke:var(--ink-soft); fill:none; stroke-width:1.4; opacity:.5;}
.badge{position:absolute; top:10px; left:10px; background:var(--steel); color:#fff; font-family:var(--mono); font-size:9.5px; padding:3px 7px; border-radius:2px; text-transform:uppercase; letter-spacing:.04em;}
.product-body{padding:16px;}
.product-body h4{font-size:14px; line-height:1.35;}
.price{font-family:var(--mono); font-weight:700; margin-top:8px; font-size:13.5px;}
.price .ask{color:var(--ink-soft); font-weight:400; font-size:12px;}
.product-actions{display:flex; gap:6px; margin-top:14px;}
.mini-btn{flex:1; text-align:center; padding:9px 6px; font-size:11.5px; font-weight:700; border-radius:2px; border:1px solid var(--line); background:var(--card); text-decoration:none; color:var(--ink); transition:border-color .15s ease, transform .15s ease;}
.mini-btn:hover{border-color:var(--ink); transform:translateY(-1px);}
.mini-btn.wa{background:#25D366; color:#fff; border-color:#25D366;}
.mini-btn.wa:hover{border-color:#1eb958;}

/* Software */
.soft-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px;}
.soft-card{background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:22px;}
.soft-card .icon{width:38px; height:38px; background:var(--steel); border-radius:var(--radius); margin-bottom:16px;}
.soft-card h4{font-size:16px;}
.soft-card p{font-size:13.5px; color:var(--ink-soft); margin:8px 0 16px;}
.soft-actions{display:flex; gap:8px; flex-wrap:wrap;}
.chip-btn{font-size:11.5px; font-weight:700; padding:7px 12px; border-radius:20px; border:1px solid var(--line); background:transparent; text-decoration:none; color:var(--ink);}
.chip-btn.primary{background:var(--ink); color:var(--bg); border-color:var(--ink);}

/* Testimonials */
.testi-row{display:grid; grid-template-columns:repeat(3,1fr); gap:16px;}
.testi-card{background:var(--card); border:1px solid var(--line); padding:22px; border-radius:var(--radius);}
.stars{color:var(--amber); font-size:13px; letter-spacing:2px;}
.testi-card p{font-size:14px; margin:12px 0; color:var(--ink-soft);}
.testi-who{font-size:12.5px; font-weight:700; font-family:var(--mono);}
.placeholder-tag{font-family:var(--mono); font-size:10px; color:var(--red); border:1px dashed var(--red); display:inline-block; padding:2px 6px; margin-top:10px; border-radius:2px;}

/* FAQ */
.faq-list{max-width:760px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%; text-align:left; background:none; border:0; padding:18px 0; font-size:15px; font-weight:700; display:flex; justify-content:space-between; align-items:center;}
.faq-q .icon{font-family:var(--mono); color:var(--red);}
.faq-a{max-height:0; overflow:hidden; transition:max-height .25s ease;}
.faq-a p{font-size:14px; color:var(--ink-soft); padding-bottom:16px; margin:0; max-width:60ch;}
.faq-item.open .faq-a{max-height:200px;}

/* Contact form */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:40px;}
.form-card{background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:26px;}
.f-row{display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-bottom:12px;}
.f-field{display:flex; flex-direction:column; gap:6px; margin-bottom:12px;}
.f-field label{font-family:var(--mono); font-size:11px; text-transform:uppercase; letter-spacing:.05em; color:var(--ink-soft);}
.f-field input, .f-field select, .f-field textarea{border:1px solid var(--line); border-radius:2px; padding:10px 11px; font-size:14px; background:var(--bg); color:var(--ink); font-family:inherit;}
.f-field input:focus, .f-field select:focus, .f-field textarea:focus{outline:2px solid var(--focus); outline-offset:1px;}
.upload-stub{border:1px dashed var(--line); border-radius:2px; padding:14px; text-align:center; font-size:12.5px; color:var(--ink-soft); font-family:var(--mono); cursor:pointer;}
.info-block{display:flex; flex-direction:column; gap:20px;}
.info-item{display:flex; gap:14px;}
.info-item .ic{width:36px; height:36px; background:var(--bg-alt); border:1px solid var(--line); border-radius:var(--radius); flex:0 0 auto;}
.info-item h5{font-size:14px; margin:0 0 4px;}
.info-item p{margin:0; font-size:13.5px; color:var(--ink-soft);}
.map-stub{margin-top:6px; aspect-ratio:16/9; background:var(--bg-alt); border:1px solid var(--line); border-radius:var(--radius); display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-size:11px; color:var(--ink-soft);}

/* Confirmation */
.confirm-mock{max-width:560px; margin:0 auto; text-align:left; background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:40px 36px;}
.confirm-mock .check{width:56px; height:56px; border-radius:50%; background:var(--red); color:#fff; display:flex; align-items:center; justify-content:center; margin:0 0 18px; font-size:26px;}
.confirm-mock h3{font-size:20px;}
.confirm-mock p{color:var(--ink-soft); font-size:14px; margin:12px 0 22px;}
.confirm-actions{display:flex; gap:8px; flex-wrap:wrap; justify-content:space-between;}
.confirm-actions .btn{flex:1; justify-content:center; min-width:140px;}

/* Footer */
footer{background:var(--ink); color:#C8C9CD; padding:48px 0 24px;}
@media (max-width:640px){
  footer{padding-bottom:24px;}
  .foot-bottom{flex-direction:column; align-items:flex-start;}
}
.foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px; padding-bottom:32px; border-bottom:1px solid #303236;}
.foot-grid h5{color:#fff; font-family:var(--mono); font-size:11.5px; text-transform:uppercase; letter-spacing:.08em; margin-bottom:14px;}
.foot-grid ul{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:8px; font-size:13.5px;}
.foot-grid a{text-decoration:none; color:#C8C9CD;}
.foot-bottom{display:flex; justify-content:space-between; align-items:center; padding-top:20px; font-size:12px; color:#8B8C90; flex-wrap:wrap; gap:10px;}
.foot-social{display:flex; gap:10px;}
.foot-social a{width:30px; height:30px; border-radius:50%; border:1px solid #34363A; display:flex; align-items:center; justify-content:center; color:#C8C9CD; transition:background .15s ease, color .15s ease;}
.foot-social a:hover{background:var(--red); border-color:var(--red); color:#fff;}

/* Sticky actions */
.sticky-actions{position:fixed; bottom:16px; right:16px; display:flex; flex-direction:column; gap:10px; z-index:120;}
.sticky-actions a{width:52px; height:52px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:20px; color:#fff; box-shadow:0 4px 14px rgba(0,0,0,.25); text-decoration:none;}
.sticky-actions .wa{background:#25D366;}
.sticky-actions .call{background:var(--steel);}

[data-sw]{ }

/* Scroll reveal — subtle fade+rise, applied to section-level groups only (never individual
   cards, so it never fights a card's own hover transform). Respects prefers-reduced-motion. */
[data-reveal]{opacity:0; transform:translateY(16px); transition:opacity .5s ease, transform .5s ease;}
[data-reveal].in-view{opacity:1; transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  [data-reveal]{opacity:1; transform:none; transition:none;}
}

/* Responsive */
@media (max-width:1000px){
  .problem-grid{grid-template-columns:repeat(2,1fr);}
  .svc-grid, .product-grid{grid-template-columns:repeat(2,1fr);}
  .shop-hero{grid-template-columns:1fr; gap:24px;}
  .shop-hero-img{aspect-ratio:16/9; order:-1;}
  .ecu-grid, .soft-grid, .testi-row{grid-template-columns:repeat(1,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .nav-links{display:none;}
  .burger{display:block;}
  .qc-demo-wrap{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .problem-grid, .svc-grid, .product-grid{grid-template-columns:1fr 1fr;}
  .f-row{grid-template-columns:1fr;}
  .brand .mark{height:34px;}
  .nav-cta{padding:9px 12px; font-size:12.5px;}
  .lang-switch button{padding:5px 8px;}
  .hero{min-height:clamp(520px, 92vh, 680px);}
  .hs-slide{padding:70px 0 40px;}
  .hs-prev, .hs-next{display:none;}
  .section{padding:44px 0;}
}
@media (max-width:420px){
  .brand-text{display:none;}
}