:root{
  --bg:#0a0f1f; --fg:#e5e7eb; --muted:#9aa3b2;
  --brand:#22c55e; --brand-2:#3b82f6; --card:#0f172a; --ring:#86efac;
  --shadow: 0 8px 30px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue',Arial,'Noto Sans',sans-serif;background:var(--bg);color:var(--fg);line-height:1.6}
.container{max-width:1200px;margin:0 auto;padding:0 1rem}

/* NAV */
nav{position:sticky;top:0;z-index:60;background:rgba(10,15,31,.7);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:0.8rem 0}
.brand{display:flex;gap:.75rem;align-items:center;text-decoration:none;color:var(--fg)}
.brand img{height:36px;width:36px;border-radius:.75rem}
.brand .name{font-weight:800;letter-spacing:.4px}
.menu{display:flex;gap:1rem;align-items:center}
.menu a{color:var(--fg);text-decoration:none;padding:.5rem .7rem;border-radius:.6rem;border:1px solid transparent}
.menu a:hover{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.08)}
.lang-switch{display:flex;gap:.5rem;margin-left:.5rem}
.lang-switch button{background:transparent;border:1px solid rgba(255,255,255,.14);color:var(--fg);padding:.35rem .6rem;border-radius:.6rem;cursor:pointer}
.lang-switch button.active{border-color:var(--ring);outline:2px solid rgba(134,239,172,.25)}
.hamburger{display:none;background:transparent;border:1px solid rgba(255,255,255,.14);color:var(--fg);padding:.45rem .6rem;border-radius:.6rem;cursor:pointer}

/* HERO */
.hero{position:relative;min-height:72vh;display:grid;grid-template-columns:1.15fr 1fr;gap:2rem;align-items:center}
.hero-cover{position:absolute;inset:0;background:url('assets/img/hero.jpg') center/cover no-repeat;opacity:.35;z-index:-2}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(1200px 500px at 20% 15%, rgba(34,197,94,.25), transparent), linear-gradient(180deg, rgba(0,0,0,.0), rgba(0,0,0,.35));z-index:-1}
.badge{font-size:.8rem;padding:.25rem .55rem;border:1px solid rgba(255,255,255,.18);border-radius:.5rem;display:inline-block;background:rgba(255,255,255,.04)}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.1;margin:.8rem 0 1rem}
.hero p{color:var(--muted);margin:.25rem 0 1.1rem}
.cta{display:flex;gap:1rem;flex-wrap:wrap}
button.primary, a.primary{background:var(--brand);border:none;color:#07131a;padding:.9rem 1.1rem;border-radius:.8rem;text-decoration:none;cursor:pointer;font-weight:800}
button.secondary, a.secondary{background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--fg);padding:.9rem 1.1rem;border-radius:.8rem;text-decoration:none;cursor:pointer}

/* Cards & Sections */
.card{background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.08);border-radius:1rem;padding:1.2rem;box-shadow:var(--shadow)}
.section-title{font-size:1.6rem;margin:2rem 0 1rem}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.features .card h3{margin:.2rem 0 .4rem}
.features .card p{color:var(--muted)}

.services{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1rem}
.service{padding:1.2rem;border:1px dashed rgba(255,255,255,.14);border-radius:1rem}
.service h3{margin:0 0 .4rem}
.service p{color:var(--muted);margin:.2rem 0 .6rem}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
label{display:block;margin:.6rem 0 .3rem;color:var(--muted)}
input, textarea{width:100%;background:#0b1226;border:1px solid rgba(255,255,255,.14);color:var(--fg);padding:.8rem;border-radius:.6rem}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}

footer{padding:2rem 0;color:var(--muted);text-align:center;border-top:1px solid rgba(255,255,255,.08);margin-top:3rem}

a, button{transition:all .2s ease}
button.primary, a.primary:hover{transform:translateY(-1px)}

.whatsapp-fab{position:fixed;right:18px;bottom:18px;z-index:80;display:flex;align-items:center;gap:.6rem;
  background:#25D366;color:#07240f;border:none;border-radius:999px;padding:.8rem 1rem;box-shadow:0 10px 25px rgba(37,211,102,.35);text-decoration:none;font-weight:700}
.whatsapp-fab:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(37,211,102,.45)}
.whatsapp-fab svg{width:20px;height:20px}

@media (max-width: 980px){
  .hero{grid-template-columns:1fr}
  .features{grid-template-columns:1fr}
  .services{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .menu{display:none;flex-direction:column;align-items:flex-start;padding:0 0 1rem}
  .menu.open{display:flex}
  .hamburger{display:inline-block}
  .lang-switch{margin-left:0}
}