:root{
  --bg:#0c0e11;           /* Deep slate like the card */
  --fg:#e9f1ff;          /* Light text */
  --accent:#14d2ff;      /* Cyan text on card */
  --accent-2:#b47f58;    /* Copper/bronze triangle */
  --muted:#9aa4b2;
  --card:#12151a;
  --ring:rgba(20,210,255,.35);
  --maxw:1100px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:radial-gradient(1200px 900px at 120% -10%, #1a1e25 0%, var(--bg) 40%) no-repeat fixed;
  color:var(--fg); font-family:Montserrat,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;
}
a{color:var(--accent); text-decoration:none}
a:hover{opacity:.9; text-decoration:underline}
.container{max-width:var(--maxw); margin:0 auto; padding:0 1.25rem}

/* Header */
header{position:sticky; top:0; z-index:50; backdrop-filter:saturate(140%) blur(8px); background:rgba(12,14,17,.7); border-bottom:1px solid rgba(255,255,255,.06)}
.nav{display:flex; align-items:center; justify-content:space-between; padding:.75rem 0}
.brand{display:flex; align-items:center; gap:.75rem; font-weight:800; letter-spacing:.5px}
.brand .logo{width:38px; height:38px; border:3px solid var(--accent-2); border-radius:50%; position:relative}
.brand .logo:before{content:""; position:absolute; inset:7px; border-left:3px solid var(--accent-2); border-right:3px solid var(--accent-2); transform:skewY(12deg)}
.brand span{font-size:1.05rem}
nav ul{margin:0; padding:0; list-style:none; display:flex; gap:1rem; font-weight:600}
nav a{display:inline-block; padding:.4rem .6rem; border-radius:.5rem}
nav a:hover{background:rgba(255,255,255,.06)}

/* Hero */
.hero{position:relative; overflow:hidden; border-bottom:1px solid rgba(255,255,255,.06)}
.hero-inner{display:grid; grid-template-columns:1.1fr .9fr; gap:2rem; align-items:center; padding:4.5rem 0}
.headline{font-size:clamp(2rem, 4vw + .5rem, 3.5rem); font-weight:800; line-height:1.15; letter-spacing:.3px}
.sub{font-size:1.125rem; color:var(--muted); margin:.75rem 0 1.5rem}
.cta{display:flex; flex-wrap:wrap; gap:.75rem}
.btn{appearance:none; border:none; cursor:pointer; padding:.85rem 1.15rem; font-weight:700; border-radius:.8rem; transition:transform .05s ease, box-shadow .2s ease}
.btn-primary{background:var(--accent); color:#001018; box-shadow:0 0 0 6px var(--ring)}
.btn-outline{background:transparent; color:var(--fg); border:2px solid rgba(255,255,255,.12)}
.btn:active{transform:translateY(1px)}

/* Triangle motif */
.tri{position:relative; width:100%; aspect-ratio:1.3/1; max-width:520px; margin-inline:auto}
.tri::before,.tri::after{content:""; position:absolute; inset:0; border:10px solid var(--accent-2); border-top:none; transform:translateY(10px) scale(.98); filter:drop-shadow(0 6px 26px rgba(0,0,0,.45))}
.tri::after{inset:18px 28px 0 28px; opacity:.6}
.tri-badge{position:absolute; inset:auto 8% 12% 8%; display:grid; place-items:center; text-align:center; gap:.35rem}
.tri-badge h3{margin:.25rem 0 0; font-size:1.1rem; letter-spacing:.6px; color:var(--accent)}
.chips{display:flex; flex-wrap:wrap; gap:.5rem; justify-content:center}
.chip{padding:.35rem .6rem; font-weight:700; border-radius:999px; border:1px solid rgba(20,210,255,.4); background:rgba(0,0,0,.2); color:var(--fg); font-size:.85rem}

/* Sections */
section{padding:3.5rem 0}
.grid{display:grid; gap:1.2rem}
.cols-3{grid-template-columns:repeat(3, minmax(0, 1fr))}
.cols-2{grid-template-columns:repeat(2, minmax(0, 1fr))}
@media (max-width:900px){.hero-inner{grid-template-columns:1fr}.cols-3{grid-template-columns:1fr}.cols-2{grid-template-columns:1fr}}

.card{background:var(--card); border:1px solid rgba(255,255,255,.06); border-radius:1.1rem; padding:1.25rem}
.card h3{margin:.1rem 0 .35rem; font-size:1.05rem}
.list{margin:.25rem 0 0; padding-left:1.15rem}

/* Callouts */
.call{display:flex; flex-wrap:wrap; gap:1rem}
.call .dial{flex:1 1 260px; background:linear-gradient(0deg, rgba(20,210,255,.08), rgba(20,210,255,.08)), var(--card); border:1px solid rgba(20,210,255,.35); border-radius:1rem; padding:1rem}
.dial strong{display:block; font-size:1.1rem}

/* Footer */
footer{border-top:1px solid rgba(255,255,255,.06); padding:2rem 0 3rem; color:var(--muted); font-size:.95rem}
.fine{display:flex; flex-wrap:wrap; gap:.75rem; align-items:center; justify-content:space-between}

/* Utilities */
.muted{color:var(--muted)}
.center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}