/* S1 Tyres Ltd v3 — Red/Black/White Theme */
:root{
  --red:#e60000; --black:#111; --dark:#1a1a1a; --muted:#6b7280; --bg:#ffffff; --soft:#f5f6f7;
  --radius:18px; --shadow:0 14px 34px rgba(0,0,0,.14);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial; color:var(--dark); background:var(--bg); line-height:1.65}
img{max-width:100%; display:block}

.container{width:min(1200px,92vw); margin:0 auto}
.section{padding:84px 0}
.section--alt{background:var(--soft)}
.section__header{max-width:820px; margin:0 auto 34px; text-align:center}
.section__header h2{margin:0 0 8px; font-size:clamp(28px,3.2vw,38px)}
.section__header p{color:var(--muted); margin:0}

.btn{display:inline-block; padding:12px 18px; border-radius:999px; border:2px solid transparent; text-decoration:none; font-weight:800; letter-spacing:.2px; transition:.2s; cursor:pointer}
.btn--primary{background:var(--red); color:#fff}
.btn--primary:hover{transform:translateY(-1px); box-shadow:var(--shadow)}
.btn--ghost{border-color:var(--dark); color:var(--dark)}
.btn--ghost:hover{background:var(--dark); color:#fff}
.btn--whatsapp{background:#25d366; color:#001b10}
.btn--whatsapp:hover{filter:brightness(1.05)}

.header{position:sticky; top:0; z-index:40; background:rgba(255,255,255,.95); backdrop-filter:blur(8px); border-bottom:1px solid #e9edf2}
.nav{display:flex; justify-content:space-between; align-items:center; min-height:70px}
.brand{display:flex; align-items:center; gap:12px; color:var(--dark); text-decoration:none; font-weight:900}
.brand__logo{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--red); color:#fff; box-shadow:var(--shadow)}
.nav ul{display:flex; gap:18px; list-style:none; margin:0; padding:0}
.nav a{color:var(--dark); text-decoration:none; font-weight:700}
.nav a:hover{color:var(--red)}
.nav .cta{margin-left:8px}

.hamburger{display:none; cursor:pointer}
.hamburger span{display:block;width:26px;height:3px;background:var(--dark);margin:5px 0;border-radius:2px}
#nav-toggle{display:none}
@media(max-width:900px){
  .hamburger{display:block}
  .menu{position:fixed; inset:70px 0 auto 0; background:#fff; padding:16px 22px; border-bottom:1px solid #e9edf2;
        display:grid; gap:10px; transform:translateY(-120%); transition:.2s}
  #nav-toggle:checked ~ .menu{transform:translateY(0)}
  .nav ul{display:grid}
}

.hero{position:relative; min-height:70vh; display:grid; place-items:center; padding:60px 0}
.hero__bg{position:absolute; inset:0; background:url('https://images.unsplash.com/photo-1492144534655-ae79c964c9d7?q=80&w=2400&auto=format&fit=crop') center/cover no-repeat; z-index:-2}
.hero__overlay{position:absolute; inset:0; background:linear-gradient(90deg, rgba(0,0,0,.55), rgba(0,0,0,.25)); z-index:-1}
.hero__grid{display:grid; grid-template-columns:1.1fr 1fr; gap:26px; align-items:center}
.hero h1{font-size:clamp(34px,4.6vw,62px); line-height:1.05; color:#fff; margin:0 0 12px}
.hero p{color:#e9edf2; margin:0 0 18px; max-width:720px}
.hero__ctas{display:flex; gap:12px; flex-wrap:wrap; margin-bottom:12px}

.badges{display:flex; gap:10px; flex-wrap:wrap; margin-top:10px}
.badge{background:#ffe8e8; border:1px solid #ffd1d1; padding:8px 12px; border-radius:999px; font-weight:800; color:#7a0000}

.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
.grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:18px}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:18px}
.card{background:#fff; border:1px solid #e9edf2; border-radius:var(--radius); padding:20px; box-shadow:var(--shadow)}
.card--img{padding:0; overflow:hidden}
.card--img img{aspect-ratio:16/10; width:100%; object-fit:cover}
.card__body{padding:16px}

.service-card h3{margin:8px 0}
.service-card p{color:var(--muted); margin:0 0 10px}
.service-card ul{margin:0; padding-left:18px; color:var(--muted)}

.steps{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
.step__num{display:inline-grid; place-items:center; width:36px;height:36px;border-radius:50%; background:var(--red); color:#fff; font-weight:900; margin-bottom:8px}

.testimonials .quote{display:flex; gap:14px; align-items:flex-start}
.avatar{width:46px;height:46px;border-radius:50%; overflow:hidden; flex:0 0 auto}
.stars{color:#ffb400}

.map iframe{width:100%; height:420px; border:0}

.form{display:grid; gap:12px}
.form input, .form textarea, .form select{padding:12px 14px; border-radius:12px; border:1px solid #e1e6ee; font:inherit; width:100%}
.form button{justify-self:start}

/* Hero inline form */
.hero-form{display:grid; gap:10px; grid-template-columns:1fr 1fr; background:#ffffff; border:1px solid #e9edf2; border-radius:16px; padding:14px; box-shadow:var(--shadow)}
.hero-form input, .hero-form select{height:46px}
.hero-form textarea{grid-column:1 / -1}
.hero-form button{grid-column:1 / -1}
@media(max-width:760px){ .hero__grid{grid-template-columns:1fr} .hero-form{grid-template-columns:1fr} }

.footer{background:#0b0b0b; color:#cfd6de; padding-top:44px}
.footer__grid{display:grid; grid-template-columns:1.2fr 1fr 1fr; gap:24px}
.footer__title{color:#fff; margin:0 0 10px}
.footer a{color:#cfd6de; text-decoration:none}
.footer a:hover{color:#fff}
.footer__bottom{border-top:1px solid #222; margin-top:16px; padding:14px 0; text-align:center; color:#98a2ad}

/* Floating WhatsApp button */
.fab-whatsapp{position:fixed; right:18px; bottom:18px; width:58px; height:58px; border-radius:50%; 
  display:grid; place-items:center; background:#25d366; color:#001b10; font-weight:900; 
  box-shadow:0 10px 26px rgba(0,0,0,.25); z-index:60; text-decoration:none; border:2px solid #1aa851}
.fab-whatsapp:hover{transform:translateY(-1px);}

.reviews{position:relative}
.review-track{display:flex; gap:16px; overflow:auto; scroll-snap-type:x mandatory; padding-bottom:8px}
.review-card{flex:0 0 320px; scroll-snap-align:start}
.review-card .stars{margin:6px 0 4px}
.review-card small{color:var(--muted)}

html{scroll-behavior:smooth}

@media(max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
}
@media(max-width:560px){ .grid-3,.grid-4,.grid-2{grid-template-columns:1fr} }