:root{
  --bg:#020617;
  --bg-alt:#020617;
  --bg-soft:#0b1120;
  --bg-card:#020617;
  --border:#1f2937;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --accent:#38bdf8;
  --accent-dark:#0ea5e9;
  --accent-red:#b81406;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Inter",Arial,sans-serif;
  background:radial-gradient(circle at top,#020617 0,#020617 35%,#020617 60%,#000 100%);
  color:var(--text);
  line-height:1.6;
}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-dark)}
.wrap{
  max-width:1120px;
  margin:0 auto;
  padding:0 18px 40px;
}

/* topbar */
.topbar{
  position:sticky;
  top:0;
  z-index:40;
  background:rgba(0,0,0,.9);
  backdrop-filter:blur(18px);
  border-bottom:1px solid #020617;
}
.topbar-inner{
  max-width:1120px;
  margin:0 auto;
  padding:10px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{
  font-weight:700;
  font-size:14px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--text);
}
.brand span.etb{color:var(--accent)}
.brand small{
  display:block;
  font-size:10px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
}
nav ul{
  list-style:none;
  display:flex;
  gap:18px;
  font-size:13px;
}
nav a{
  color:var(--text);
  position:relative;
  padding:4px 0;
}
nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-4px;
  width:0;
  height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-dark));
  transition:width .2s;
}
nav a:hover::after{width:100%}
.lang-switch{
  font-size:11px;
  display:flex;
  gap:6px;
  align-items:center;
}
.lang-switch span.label{color:var(--muted)}
.lang-switch a{
  padding:2px 8px;
  border-radius:999px;
  border:1px solid transparent;
  color:var(--muted);
}
.lang-switch a.active{
  border-color:var(--accent);
  color:var(--accent);
  background:#0b1120;
}

/* hamburger */
.hamb{
  display:none;
  font-size:26px;
  cursor:pointer;
  user-select:none;
}
@media(max-width:860px){
  .topbar-inner{
    flex-wrap:wrap;
    align-items:flex-start;
  }
  nav{
    width:100%;
    order:3;
  }
  nav ul{
    flex-direction:column;
    gap:6px;
    margin-top:6px;
    display:none;
    padding-top:8px;
    border-top:1px solid #020617;
  }
  nav ul.open{display:flex;}
  .hamb{display:block;}
}

/* utility */
.section{
  margin:40px 0;
}
.section-header{
  margin-bottom:16px;
}
.section-header h2{
  font-size:clamp(22px,3vw,28px);
  margin-bottom:6px;
}
.section-header p{
  font-size:14px;
  color:var(--muted);
  max-width:720px;
}
.hero{
  padding-top:34px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.2fr .9fr;
  gap:26px;
  align-items:center;
}
@media(max-width:920px){
  .hero-grid{grid-template-columns:1fr;}
}
h1{
  font-size:clamp(26px,4vw,38px);
  line-height:1.25;
  margin-bottom:10px;
}
.hero-lead{
  font-size:15px;
  color:var(--muted);
  margin-bottom:14px;
}
.hero-meta{
  font-size:12px;
  color:var(--muted);
}
.hero-history{
  font-size:13px;
  color:var(--muted);
  margin-top:10px;
}
.hero-history strong{color:var(--text)}

.hero-figure{
  border-radius:18px;
  overflow:hidden;
  background:radial-gradient(circle at top,rgba(56,189,248,.3),transparent 55%);
  position:relative;
  box-shadow:0 25px 60px rgba(0,0,0,.8);
}
.hero-figure img{
  width:100%;
  height:100%;
  max-height:340px;
  object-fit:cover;
  display:block;
  opacity:.95;
}
.hero-badge{
  position:absolute;
  left:14px;
  bottom:14px;
  font-size:11px;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(15,23,42,.9);
  color:#e5e7eb;
  display:flex;
  gap:6px;
  align-items:center;
}
.hero-badge span.dot{
  width:8px;
  height:8px;
  border-radius:999px;
  background:#22c55e;
  box-shadow:0 0 0 4px rgba(34,197,94,.4);
}

/* text-logo */
.text-logo{
  font-weight:700;
  letter-spacing:.32em;
  text-transform:uppercase;
  font-size:15px;
}
.text-logo span.etb-blue{color:var(--accent)}
.text-logo span.etb-red{color:var(--accent-red)}
.text-logo span.tail{color:#cbd5f5;}

.card{
  border-radius:16px;
  background:radial-gradient(circle at top left,rgba(56,189,248,.12),transparent 60%) #020617;
  border:1px solid #111827;
  padding:16px 16px 18px;
  box-shadow:0 18px 45px rgba(0,0,0,.7);
}
.card h3{
  font-size:16px;
  margin:6px 0 6px;
}
.card p{
  font-size:13px;
  color:var(--muted);
}
.grid-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
@media(max-width:920px){
  .grid-2{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr;}
}
.meta{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.18em;
  color:var(--muted);
}
.chips{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-top:10px;
}
.chip{
  border-radius:999px;
  border:1px solid #1f2937;
  padding:3px 9px;
  font-size:11px;
  color:var(--muted);
}
.btn-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  border-radius:999px;
  border:1px solid transparent;
  padding:9px 16px;
  font-size:13px;
  font-weight:600;
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  color:#0b1120;
  cursor:pointer;
  box-shadow:0 18px 35px rgba(56,189,248,.35);
  text-decoration:none;
}
.btn:hover{
  filter:brightness(1.05);
  box-shadow:0 20px 45px rgba(56,189,248,.4);
}
.btn.ghost{
  background:transparent;
  color:var(--text);
  border-color:#1f2937;
  box-shadow:none;
}
.btn.ghost:hover{
  border-color:var(--accent);
}

/* lists & columns */
ul,ol{margin-left:18px;margin-bottom:8px;}
small{font-size:11px;color:var(--muted);}
.ref-cols{
  columns:2;
  column-gap:26px;
  font-size:13px;
}
.ref-cols li{margin-bottom:4px;}
@media(max-width:720px){
  .ref-cols{columns:1;}
}

/* gallery */
.gal{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:12px;
}
.thumb{
  position:relative;
  border-radius:14px;
  overflow:hidden;
  background:#020617;
  cursor:pointer;
}
.thumb img{
  width:100%;
  height:150px;
  object-fit:cover;
  display:block;
  transition:transform .25s,opacity .25s;
  opacity:.9;
}
.thumb:hover img{
  transform:scale(1.05);
  opacity:.85;
}
.thumb figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:8px 10px;
  font-size:11px;
  color:#e5e7eb;
  background:linear-gradient(180deg,transparent,rgba(15,23,42,.95));
}

/* contact */
.contact-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:20px;
}
@media(max-width:880px){
  .contact-grid{grid-template-columns:1fr;}
}

/* footer */
footer{
  border-top:1px solid #020617;
  padding:16px 18px 22px;
  font-size:11px;
  color:var(--muted);
  text-align:center;
  background:#020617;
}
footer a{color:var(--muted);}
footer a:hover{color:var(--accent);}