:root{
  --bg:#0a0d12; --card:#10151c; --muted:#8fa0b3; --text:#eaf1ff; --brand:#21c57a; --accent:#5da9ff; --warning:#ffcc66; --border:#1e2a38; --max:1200px; --radius:16px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial;color:var(--text);background:var(--bg)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--max);margin-inline:auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.9rem 1.2rem;border-radius:12px;border:1px solid #2a3340;background:linear-gradient(180deg,#1a202a,#151a22);color:#fff;font-weight:600;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,0,0,.35)}
.btn.primary{background:linear-gradient(180deg,var(--brand),#0db36a);border-color:rgba(255,255,255,.12);color:#08140f}
.btn.ghost{background:transparent;border:1px solid #2c3644}
.chip{display:inline-block;padding:.3rem .6rem;border-radius:999px;background:#13202d;color:var(--accent);border:1px solid #223045;font-size:.8rem}
.icon{width:40px;height:40px;border-radius:12px;background:#13202d;display:grid;place-items:center;border:1px solid #223045;font-weight:800}
.tiny{font-size:.9rem;color:var(--muted)}

/* Header */
.site-header{position:sticky;top:0;z-index:999;backdrop-filter:saturate(180%) blur(12px);background:rgba(10,13,18,.6);border-bottom:1px solid rgba(255,255,255,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:64px}
.brand{display:flex;align-items:center;gap:.8rem}
.logo{width:40px;height:40px;border-radius:10px;background:linear-gradient(145deg,#1d2733,#0e131a);display:grid;place-items:center;border:1px solid #263241}
.logo span{width:20px;height:20px;background:conic-gradient(from 0deg,var(--brand),var(--accent));border-radius:6px}
.menu{display:flex;gap:1.2rem;align-items:center}
.menu a{opacity:.9}
.menu a.active,.menu a:hover{opacity:1}
.mobile-toggle{display:none}

/* Hero & page hero */
.hero{padding:100px 0 64px;background:radial-gradient(1200px 600px at 80% -10%,#162338,transparent 60%),radial-gradient(900px 500px at -20% 0%,#12222a,transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.08;margin:.2rem 0 .8rem;letter-spacing:-.02em}
.hero p{font-size:1.05rem;color:var(--muted)}
.hero-card{padding:22px;background:linear-gradient(180deg,#0f141b,#0b0f14);border:1px solid var(--border);border-radius:var(--radius)}
.page-hero{padding:72px 0 24px;background:radial-gradient(800px 300px at 20% -20%,#162338,transparent 60%)}
.page-hero h1{margin:0}

/* Sections */
section{padding:72px 0;border-top:1px solid rgba(255,255,255,.06)}
.section-title{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:28px}
h2{font-size:1.8rem;letter-spacing:-.01em;margin:0}
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.two{grid-template-columns:1fr 1fr;gap:12px}
.card{background:linear-gradient(180deg,#0e141b,#0b0f14);border:1px solid var(--border);padding:20px;border-radius:var(--radius)}
.card.tall{min-height:220px}
.muted{color:var(--muted)}

/* Services */
.service-list{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}

/* Showcase */
.showcase{display:grid;grid-template-columns:2fr 1fr;gap:18px}
.showcase .tile{height:220px;border-radius:16px;overflow:hidden;position:relative;border:1px solid var(--border);background:#0f1520}
.tile .tag{position:absolute;top:12px;left:12px}
.tile .caption{position:absolute;bottom:12px;left:12px;right:12px;font-weight:600}

/* Pricing */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pricing .price{font-size:2rem;font-weight:800}
.pricing ul{margin:12px 0 0;padding-left:18px}

/* Quotes */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
blockquote{margin:0}
.quote{background:linear-gradient(180deg,#0e141b,#0b0f14);border:1px solid var(--border);padding:20px;border-radius:var(--radius);position:relative}
.quote:before{content:"\201C";position:absolute;font-size:56px;line-height:0;top:10px;left:14px;color:#2f3a4a}

/* CTA */
.cta{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:center}
.cta .panel{padding:22px;border:1px solid #233040;border-radius:var(--radius);background:linear-gradient(180deg,#0f141b,#0b1015)}

/* Footer */
footer{padding:48px 0 80px;border-top:1px solid rgba(255,255,255,.06);background:radial-gradient(800px 200px at 0% 0%,#0f1a24,transparent 60%)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:18px}
.social{display:flex;gap:.6rem}
.social a{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#13202d;border:1px solid #223045}

/* Forms */
.input{width:100%;margin:.25rem 0 .6rem;padding:.8rem;border-radius:10px;border:1px solid #2a3442;background:#0d1218;color:#eaf1ff}

/* Utilities */
.center{text-align:center}
.whatsapp-float{position:fixed;right:18px;bottom:18px;z-index:999}
.whatsapp-float a{display:flex;align-items:center;gap:.6rem;padding:.8rem 1rem;border-radius:999px;background:#25D366;color:#07270f;font-weight:700;box-shadow:0 10px 24px rgba(0,0,0,.35)}

/* Responsive */
@media (max-width:1000px){.hero-grid,.showcase,.cta{grid-template-columns:1fr}}
@media (max-width:860px){.service-list{grid-template-columns:repeat(2,1fr)}.pricing,.quotes,.grid.cols-3{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:680px){.menu{display:none}.menu.open{display:flex;flex-direction:column;position:absolute;top:64px;right:20px;background:#0d1218;border:1px solid #2a3442;border-radius:12px;padding:12px}.mobile-toggle{display:block}.footer-grid{grid-template-columns:1fr}}

/* Accessibility */
.menu a:focus,.btn:focus,.input:focus{outline:2px solid var(--accent);outline-offset:2px}