/* INCA GROUP - bilingual static site */
:root{
  --bg0:#0a0d12;
  --bg1:#0f141c;
  --panel:rgba(255,255,255,.06);
  --border:rgba(255,255,255,.12);
  --text:#e9eef7;
  --muted:rgba(233,238,247,.72);
  --muted2:rgba(233,238,247,.58);
  --accent:#c7a15a; /* copper */
  --accent2:#7dd3fc; /* cool highlight */
  --good:#34d399;
  --shadow:0 26px 90px rgba(0,0,0,.45);
  --radius:18px;
  --radius2:26px;
  --max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(1200px 800px at 10% -10%, rgba(199,161,90,.18), transparent 55%),
    radial-gradient(900px 700px at 110% 10%, rgba(125,211,252,.14), transparent 55%),
    radial-gradient(700px 600px at 40% 120%, rgba(199,161,90,.10), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  line-height:1.7;
}

a{color:inherit; text-decoration:none}
a:hover{color:var(--text)}

.container{max-width:var(--max); margin:0 auto; padding:0 28px}
.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:16px; top:16px; width:auto; height:auto;
  background:rgba(0,0,0,.85);
  border:1px solid var(--border);
  padding:10px 12px;
  border-radius:12px;
  z-index:9999;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:saturate(140%) blur(10px);
  background:rgba(10,13,18,.62);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:16px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:240px;
}
.mark{
  width:120px; height:32px;
  border-radius:0;
  background:url("../assets/logo-inca.png") center center / contain no-repeat;
}
.brand-title{
  display:flex; flex-direction:column; line-height:1.05;
}
.brand-title strong{letter-spacing:.2px; font-size:14px}
.brand-title span{font-size:12px; color:var(--muted2)}

.nav{
  display:flex;
  align-items:center;
  gap:20px;
}
.nav a{
  font-size:13.5px;
  color:var(--muted);
  padding:9px 12px;
  border-radius:12px;
}
.nav a[aria-current="true"]{
  color:var(--text);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
}
.nav a:hover{color:var(--text)}

.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
}
.btn, .chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  padding:11px 14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:13.5px;
  cursor:pointer;
  transition:transform .12s ease, background .12s ease, border-color .12s ease;
  user-select:none;
}
.btn:hover{transform:translateY(-1px); background:rgba(255,255,255,.07); border-color:rgba(255,255,255,.16)}
.btn.primary{
  background:linear-gradient(135deg, rgba(199,161,90,.95), rgba(199,161,90,.55));
  border-color:rgba(199,161,90,.55);
  color:#0a0d12;
}
.btn.primary:hover{background:linear-gradient(135deg, rgba(199,161,90,1), rgba(199,161,90,.65))}
.btn.ghost{background:transparent}
.chip{
  padding:8px 10px;
  font-size:12px;
  color:var(--muted);
}
.lang{
  display:inline-flex;
  gap:6px;
  padding:4px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
}
.lang a{
  padding:7px 10px;
  border-radius:999px;
  font-size:12px;
  color:var(--muted);
}
.lang a.active{
  color:#0a0d12;
  background:rgba(199,161,90,.95);
}

.menu-toggle{display:none}

/* Hero */
.hero{
  position:relative;
  padding:72px 0 40px;
}
.hero-bg{
  position:absolute;
  inset:0;
  overflow:hidden;
  pointer-events:none;
  z-index:0;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(10,13,18,.55), rgba(10,13,18,.86));
}
.hero-bg .img{
  position:absolute;
  inset:auto;
  width:72%;
  max-width:980px;
  height:auto;
  border-radius:28px;
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 28px 90px rgba(0,0,0,.55);
  opacity:.28;
  filter:saturate(1.05) contrast(1.05);
  transform:translateZ(0);
}
.hero-bg .img.mining{
  left:-6%;
  top:18%;
  rotate:-3deg;
}
.hero-bg .img.trade{
  right:-10%;
  top:-8%;
  rotate:3deg;
  opacity:.22;
}
.hero > .container{position:relative; z-index:1}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:26px;
  align-items:stretch;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--muted);
  font-size:13px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
}
.kicker i{
  width:8px; height:8px; border-radius:999px;
  background:var(--accent2);
  box-shadow:0 0 0 6px rgba(125,211,252,.12);
}
h1{
  font-size:46px;
  line-height:1.06;
  letter-spacing:-.6px;
  margin:18px 0 14px;
}
.lead{
  margin:0;
  color:var(--muted);
  font-size:16px;
  max-width:62ch;
}
.cta-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:22px;
}
.hero-card{
  border-radius:var(--radius2);
  border:1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(800px 500px at 20% 10%, rgba(199,161,90,.14), transparent 55%),
    radial-gradient(600px 420px at 120% 20%, rgba(125,211,252,.12), transparent 60%),
    rgba(255,255,255,.04);
  box-shadow:var(--shadow);
  padding:22px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:16px;
}
.hero-card h2{
  margin:0;
  font-size:14px;
  letter-spacing:.2px;
}
.kv{
  display:grid;
  gap:10px;
}
.kv .row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:10px 10px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(0,0,0,.16);
}
.icon{
  width:26px; height:26px;
  border-radius:12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  background:rgba(199,161,90,.14);
  border:1px solid rgba(199,161,90,.28);
  color:var(--accent);
  font-weight:700;
}
.kv .label{font-size:12px; color:var(--muted2)}
.kv .value{font-size:13px; color:var(--text)}
.kv .value a{color:var(--text); text-decoration:underline; text-decoration-color:rgba(199,161,90,.45)}
.kv .value a:hover{text-decoration-color:rgba(199,161,90,.9)}
.badge-row{display:flex; flex-wrap:wrap; gap:8px}

/* Sections */
section{padding:56px 0}
.section-title{
  display:flex; align-items:flex-end; justify-content:space-between; gap:12px;
  margin-bottom:18px;
}
.section-title h2{
  margin:0;
  font-size:26px;
  letter-spacing:-.2px;
}
.section-title p{
  margin:0;
  color:var(--muted);
  font-size:14px;
  max-width:62ch;
}
.panel{
  border-radius:var(--radius2);
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  box-shadow:0 10px 40px rgba(0,0,0,.25);
}

/* Cards */
.grid{
  display:grid;
  gap:18px;
}
.grid.cols-3{grid-template-columns:repeat(3, minmax(0,1fr))}
.grid.cols-2{grid-template-columns:repeat(2, minmax(0,1fr))}
.card{
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.09);
  background:rgba(0,0,0,.12);
  padding:20px;
  min-height:140px;
}
.card-media{
  margin:-20px -20px 14px;
  border-top-left-radius:var(--radius);
  border-top-right-radius:var(--radius);
  overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.22);
}
.card-media img{
  width:100%;
  height:176px;
  object-fit:cover;
  display:block;
  opacity:.92;
  filter:saturate(1.05) contrast(1.05);
}
.card:hover .card-media img{
  opacity:1;
}
.card h3{margin:4px 0 10px; font-size:16px; letter-spacing:-.1px}
.card p{margin:0 0 12px; color:var(--muted); font-size:14px}
.list{margin:0; padding-left:18px; color:var(--muted); font-size:14px}
.list li{margin:7px 0}
.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  color:var(--muted);
  font-size:12px;
}
.pill strong{color:var(--text); font-weight:650}

/* Timeline */
.timeline{
  display:grid;
  gap:16px;
}
.tl-item{
  display:grid;
  grid-template-columns:110px 1fr;
  gap:16px;
  align-items:start;
  padding:18px;
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.09);
  background:rgba(0,0,0,.12);
}
.year{
  font-size:20px;
  letter-spacing:.4px;
  color:var(--text);
}
.tl-item h3{margin:0 0 10px; font-size:16px}
.tl-item ul{margin:0; padding-left:18px; color:var(--muted); font-size:14px}
.tl-item li{margin:7px 0}

/* Contact */
.contact{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:18px;
  padding:20px;
}
.contact .panel-inner{padding:16px}
.map-embed{
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.10);
  overflow:hidden;
  min-height:260px;
  background:rgba(0,0,0,.14);
}
.map-embed iframe{width:100%; height:100%; border:0; filter:saturate(1.1) contrast(1.05)}

/* Footer */
footer{
  padding:34px 0 46px;
  border-top:1px solid rgba(255,255,255,.08);
  margin-top:20px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:14px;
  align-items:start;
}
.fine{
  color:var(--muted2);
  font-size:12px;
}
.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:flex-end;
}
.footer-links a{
  color:var(--muted);
  font-size:12px;
  padding:6px 8px;
  border-radius:10px;
}
.footer-links a:hover{color:var(--text); background:rgba(255,255,255,.04)}

/* Mobile */
@media (max-width: 920px){
  .hero-grid{grid-template-columns:1fr; }
  .brand{min-width:auto}
  .contact{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-links{justify-content:flex-start}
  .hero-bg .img{width:94%; left:3%; right:auto; top:10%; rotate:0deg; opacity:.16}
  .hero-bg .img.trade{display:none}
}
@media (max-width: 760px){
  .container{padding:0 20px}
  section{padding:44px 0}
  h1{font-size:34px}
  .nav{display:none}
  .menu-toggle{display:inline-flex}
  .nav.open{
    display:flex;
    position:absolute;
    left:0; right:0;
    top:58px;
    padding:12px 20px 14px;
    background:rgba(10,13,18,.92);
    border-bottom:1px solid rgba(255,255,255,.08);
    backdrop-filter: blur(10px);
    flex-wrap:wrap;
    justify-content:flex-start;
  }
  .grid.cols-3{grid-template-columns:1fr}
  .grid.cols-2{grid-template-columns:1fr}
  .tl-item{grid-template-columns:1fr}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .btn{transition:none}
}