:root{
  --primary:#1B365D;
  --accent:#F5A623;
  --bg:#FAFAFA;
  --card:#FFFFFF;
  --muted:#6C757D;
  --text:#333333;
  --shadow: 0 12px 32px rgba(17,24,39,0.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;transition:opacity .6s}
.container{max-width:1250px;margin:0 auto;padding:0 24px}
.header{background:transparent;position:sticky;top:0;z-index:80}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0;background:transparent}
.brand{font-weight:700;color:var(--primary);letter-spacing:1px}
.nav-links{display:flex;gap:16px;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none;padding:8px;border-radius:6px;transition:color .2s,transform .15s}
.nav-links a:hover{color:var(--primary);transform:translateY(-2px)}
.btn-solid{background:linear-gradient(90deg,var(--accent),#ffd26f);color:#fff;padding:10px 16px;border-radius:8px;border:none;box-shadow:0 8px 20px rgba(245,166,35,0.08);transition:transform .18s}
.btn-solid:hover{transform:translateY(-4px)}
.btn-outline{border:1px solid rgba(27,54,93,0.06);padding:8px 12px;border-radius:8px;background:transparent}

/* hero (parallax + zoom) */
.hero{background-size:cover;background-position:center;min-height:72vh;display:flex;align-items:center;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,0.9),rgba(255,255,255,0.6));pointer-events:none}
.hero-inner{position:relative;z-index:2;padding:56px 0;border-radius:10px}
.hero-image{position:absolute;top:0;left:0;right:0;bottom:0;background-attachment:fixed;background-size:cover;background-position:center;transform-origin:center;animation:heroZoom 20s ease-in-out infinite}
@keyframes heroZoom{0%{transform:scale(1)}50%{transform:scale(1.04)}100%{transform:scale(1)}}

/* sections and cards */
.section{padding:90px 0}
.section-alt{background:#f8fafc}
.section-title{font-family:Poppins,Inter,sans-serif;font-size:28px;margin:0 0 12px;color:var(--primary)}
.section-line{display:block;width:56px;height:6px;background:var(--accent);border-radius:4px;margin:10px 0 24px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.card{background:var(--card);border-radius:12px;padding:18px;box-shadow:var(--shadow);border:1px solid rgba(17,24,39,0.03);transition:transform .28s,box-shadow .28s}
.card:hover{transform:translateY(-8px);box-shadow:0 20px 40px rgba(17,24,39,0.09);border-top:4px solid var(--accent)}
.card img{border-radius:8px;transition:transform .6s}
.card:hover img{transform:scale(1.06)}

/* CTA band */
.cta-band{background:linear-gradient(90deg,var(--accent),#ffd26f);padding:28px;border-radius:10px;margin:40px 0;box-shadow:0 10px 30px rgba(245,166,35,0.08)}
.cta-band h3{margin:0 0 8px;color:#071028}
.cta-band p{margin:0;color:#071028}

/* footer */
.footer{padding:48px 0;background:#fff;border-top:1px solid rgba(17,24,39,0.04);color:var(--muted)}
.footer a{color:var(--muted)}

/* whatsapp pulse */
.whatsapp{position:fixed;right:20px;bottom:20px;background:#25D366;border-radius:50%;width:56px;height:56px;display:flex;align-items:center;justify-content:center;z-index:999;animation:pulse 2.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,0.28)}70%{box-shadow:0 0 0 18px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* back to top */
#backTop{position:fixed;right:20px;bottom:90px;background:var(--primary);color:#fff;padding:10px 12px;border-radius:8px;display:none;z-index:998;box-shadow:0 8px 20px rgba(0,0,0,0.12)}

/* responsive */
@media(max-width:920px){.nav-links{display:none}.hero-inner{padding:28px}.section{padding:56px 0}}