/* M&K Industries – Luxury Automotive-inspired theme (original design)
   Note: This is NOT a Mercedes clone. It uses a clean premium aesthetic with its own visuals. */

:root{
  --bg:#0b0c10;
  --bg2:#07080c;
  --panel:#0f1117;
  --panel2:#121525;
  --glass: rgba(15,17,23,.58);
  --text:#e9eef7;
  --muted:#a9b3c7;
  --line:rgba(255,255,255,.12);
  --line2:rgba(255,255,255,.08);
  --glow:rgba(180,210,255,.25);
  --accent:#cfe2ff;
  --accent2:#7fb2ff;
  --ok:#38d28a;
  --warn:#ffcd4a;
  --danger:#ff5670;

  --radius:18px;
  --radius2:26px;

  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --shadow2: 0 10px 30px rgba(0,0,0,.35);

  --max: 1180px;
  --ease: cubic-bezier(.2,.8,.2,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{height:100%}
body{
  margin:0;
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(127,178,255,.18), transparent 60%),
    radial-gradient(900px 500px at 85% 20%, rgba(207,226,255,.10), transparent 60%),
    linear-gradient(180deg, var(--bg2), var(--bg) 45%, var(--bg2));
  color:var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  letter-spacing:.15px;
  line-height:1.55;
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}

.container{width:min(var(--max), calc(100% - 44px)); margin:0 auto}
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section.headroom{padding-top:132px}

.kicker{
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--muted);
  display:flex;
  gap:10px;
  align-items:center;
}
.kicker:before{
  content:"";
  width:28px;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.5));
  opacity:.9;
}

h1,h2,h3{margin:12px 0 10px; letter-spacing:-.02em}
h1{font-size: clamp(34px, 4.4vw, 60px); line-height:1.05}
h2{font-size: clamp(26px, 3vw, 40px); line-height:1.12}
h3{font-size: 18px}
p{margin:10px 0; color:rgba(233,238,247,.92)}
small,.muted{color:var(--muted)}
hr.line{border:0;border-top:1px solid var(--line); margin:26px 0}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
}
.badge .dot{
  width:8px;height:8px;border-radius:50%;
  background: radial-gradient(circle at 30% 30%, #fff, var(--accent2));
  box-shadow:0 0 0 4px rgba(127,178,255,.12);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.06);
  cursor:pointer;
  transition:transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
  user-select:none;
}
.btn:hover{transform:translateY(-1px); background:rgba(255,255,255,.09); border-color:rgba(207,226,255,.35)}
.btn.primary{
  background:linear-gradient(135deg, rgba(207,226,255,.18), rgba(127,178,255,.14));
  border-color:rgba(207,226,255,.35);
}
.btn.primary:hover{background:linear-gradient(135deg, rgba(207,226,255,.22), rgba(127,178,255,.16))}
.btn.ghost{background:transparent}
.btn.small{padding:10px 14px; font-size:14px}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line2);
  color:rgba(233,238,247,.95);
}

.grid{
  display:grid;
  gap:18px;
}
.grid.two{grid-template-columns:repeat(2, minmax(0,1fr))}
.grid.three{grid-template-columns:repeat(3, minmax(0,1fr))}
.grid.four{grid-template-columns:repeat(4, minmax(0,1fr))}
@media (max-width: 980px){
  .grid.two,.grid.three,.grid.four{grid-template-columns:1fr}
}

.card{
  border:1px solid var(--line2);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border-radius:var(--radius);
  padding:18px;
  box-shadow: var(--shadow2);
  position:relative;
  overflow:hidden;
}
.card:before{
  content:"";
  position:absolute;
  inset:-1px;
  background: radial-gradient(900px 300px at 0% 0%, rgba(127,178,255,.18), transparent 60%);
  opacity:.75;
  pointer-events:none;
}
.card > *{position:relative}

.card.hover{
  transition: transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
}
.card.hover:hover{
  transform:translateY(-6px);
  border-color:rgba(207,226,255,.32);
  background:linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
}

.topbar{
  position:fixed;
  top:0; left:0; right:0;
  z-index:50;
  background:rgba(10,11,15,.55);
  backdrop-filter: blur(12px);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.topbar .inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  height:74px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:220px;
}
.brand img{height:40px; width:auto}
.nav{
  display:flex;
  align-items:center;
  gap:14px;
}
.nav a{
  padding:10px 12px;
  border-radius:999px;
  color:rgba(233,238,247,.92);
  border:1px solid transparent;
  transition:background .25s var(--ease), border-color .25s var(--ease);
  font-size:14px;
}
.nav a:hover{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.10);
}
.nav a.active{
  background:rgba(207,226,255,.10);
  border-color:rgba(207,226,255,.22);
}
.nav-right{
  display:flex;
  align-items:center;
  gap:10px;
}
.burger{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line2);
  background:rgba(255,255,255,.04);
  cursor:pointer;
}
.burger span{
  display:block;
  width:18px;height:2px;
  background:rgba(233,238,247,.9);
  margin:5px auto;
  border-radius:2px;
}
@media (max-width: 980px){
  .brand{min-width:auto}
  .nav{display:none}
  .burger{display:block}
}

.mobile-menu{
  position:fixed;
  inset:74px 0 auto 0;
  background:rgba(10,11,15,.85);
  backdrop-filter: blur(12px);
  border-bottom:1px solid rgba(255,255,255,.10);
  transform:translateY(-110%);
  transition:transform .35s var(--ease);
  z-index:49;
}
.mobile-menu.open{transform:translateY(0)}
.mobile-menu .links{
  display:grid;
  gap:10px;
  padding:18px;
}
.mobile-menu a{
  padding:14px 14px;
  border-radius:14px;
  border:1px solid var(--line2);
  background:rgba(255,255,255,.04);
}

.hero{
  position:relative;
  padding:140px 0 78px;
}
.hero .wrap{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:28px;
  align-items:center;
}
@media (max-width: 980px){
  .hero .wrap{grid-template-columns:1fr}
  .hero{padding-top:126px}
}
.hero .headline{
  position:relative;
}
.hero .sub{
  font-size:16px;
  color:rgba(233,238,247,.86);
  max-width:60ch;
}
.hero .cta{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:18px;
}

.hero-panel{
  border-radius:var(--radius2);
  border:1px solid rgba(255,255,255,.10);
  background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
  min-height:340px;
}
.hero-panel:before{
  content:"";
  position:absolute; inset:-1px;
  background:
    radial-gradient(700px 350px at 15% 20%, rgba(127,178,255,.26), transparent 60%),
    radial-gradient(900px 450px at 85% 60%, rgba(207,226,255,.12), transparent 60%);
  opacity:.9;
}
.hero-panel .inner{
  position:relative;
  padding:20px;
}
.hero-panel .stat{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  padding:14px 14px;
  border:1px solid var(--line2);
  border-radius:14px;
  background:rgba(0,0,0,.16);
  margin-bottom:10px;
}
.hero-panel .stat b{font-size:18px}
.hero-panel .stat span{color:var(--muted); font-size:13px}
.hero-panel .meta{
  display:grid; gap:10px; margin-top:10px;
}
.hero-panel .meta .row{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--line2);
  background:rgba(255,255,255,.03);
}
.hero-panel .meta .row .tag{
  font-size:12px; letter-spacing:.18em; text-transform:uppercase; color:var(--muted);
}

.strip{
  border-top:1px solid var(--line2);
  border-bottom:1px solid var(--line2);
  background:rgba(255,255,255,.03);
}
.marquee{
  display:flex; gap:22px; align-items:center;
  padding:14px 0;
  white-space:nowrap;
  overflow:hidden;
  mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee .track{
  display:flex; gap:22px; align-items:center;
  animation: scroll 18s linear infinite;
}
.marquee .item{
  display:flex; gap:10px; align-items:center;
  padding:10px 14px;
  border:1px solid var(--line2);
  border-radius:999px;
  background:rgba(0,0,0,.12);
  color:rgba(233,238,247,.9);
  font-size:13px;
}
.marquee .item i{
  width:8px;height:8px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%, #fff, var(--accent2));
  box-shadow:0 0 0 5px rgba(127,178,255,.10);
}
@keyframes scroll{
  0%{transform:translateX(0)}
  100%{transform:translateX(-50%)}
}

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:22px;
  align-items:start;
}
@media (max-width: 980px){ .split{grid-template-columns:1fr} }

.feature{
  display:flex;
  gap:14px;
  align-items:flex-start;
}
.icon{
  width:42px;height:42px;
  border-radius:14px;
  border:1px solid var(--line2);
  background:linear-gradient(135deg, rgba(207,226,255,.14), rgba(127,178,255,.08));
  display:grid;
  place-items:center;
  flex:0 0 auto;
}
.icon svg{width:22px;height:22px;opacity:.95}

.list{
  margin:0;
  padding-left:18px;
  color:rgba(233,238,247,.90);
}
.list li{margin:8px 0}
.list li::marker{color:rgba(207,226,255,.75)}

.quote{
  border-left:2px solid rgba(207,226,255,.35);
  padding:14px 16px;
  background:rgba(255,255,255,.04);
  border-radius:14px;
}

.footer{
  border-top:1px solid rgba(255,255,255,.10);
  background:rgba(8,9,12,.65);
}
.footer .inner{
  padding:38px 0;
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:20px;
}
@media (max-width: 980px){ .footer .inner{grid-template-columns:1fr} }
.footer .links{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:10px;
}
.footer a{
  padding:10px 12px;
  border-radius:12px;
  border:1px solid transparent;
}
.footer a:hover{background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.10)}
.footer .bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:16px 0;
  color:var(--muted);
  font-size:13px;
  display:flex;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
}

.form{
  display:grid; gap:12px;
}
.field{
  display:grid; gap:8px;
}
label{font-size:13px; color:rgba(233,238,247,.86)}
input, textarea, select{
  width:100%;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--line2);
  background:rgba(0,0,0,.18);
  color:var(--text);
  outline:none;
}
textarea{min-height:140px; resize:vertical}
input:focus, textarea:focus, select:focus{border-color:rgba(207,226,255,.35); box-shadow:0 0 0 4px rgba(127,178,255,.10)}

.notice{
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  color:rgba(233,238,247,.92);
}
.notice.ok{border-color:rgba(56,210,138,.35); background:rgba(56,210,138,.06)}
.notice.warn{border-color:rgba(255,205,74,.35); background:rgba(255,205,74,.06)}

.reveal{
  opacity:0;
  transform:translateY(14px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}
.reveal.show{opacity:1; transform:translateY(0)}

.table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid var(--line2);
  border-radius:16px;
  overflow:hidden;
  background:rgba(255,255,255,.03);
}
.table th, .table td{
  padding:12px 14px;
  border-bottom:1px solid rgba(255,255,255,.08);
  text-align:left;
  vertical-align:top;
}
.table th{
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--muted);
  background:rgba(0,0,0,.20);
}
.table tr:last-child td{border-bottom:none}

.faq details{
  border:1px solid var(--line2);
  border-radius:16px;
  background:rgba(255,255,255,.03);
  padding:14px 14px;
}
.faq details + details{margin-top:10px}
.faq summary{
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary b{font-size:14px}
.faq summary span{
  width:28px;height:28px;border-radius:10px;
  border:1px solid var(--line2);
  display:grid; place-items:center;
  background:rgba(0,0,0,.18);
}
.faq details[open] summary span{transform:rotate(45deg)}
.faq p{margin:10px 0 0}