:root{
  --font: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  --bg-1: #0f172a; /* deep blue */
  --accent-a: #0ea5e9; /* celeste */
  --accent-b: #60a5fa; /* azul claro */
  --muted: #6b7280;
  --card: rgba(255,255,255,0.95);
  --glass: rgba(255,255,255,0.06);
  --radius: 14px;
  --shadow: 0 6px 24px rgba(2,6,23,0.45);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  font-family:var(--font);
  margin:0;
  color:#071334;
  background: linear-gradient(180deg, var(--bg-1) 0%, #1c87ca 20%, #7aa7d8 50%, #f3f6f9 100%);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.45;
}

.btn-whatsapp {
    background-color:#17dc14;
    color: black;
     display: inline-block;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: var(--font-heading);
    border: none;
}



/* layout */
.page{max-width:1100px;margin:0 auto;padding:18px}
.hero{padding:22px 0}
.hero-inner{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-start;justify-content:space-between}
.hero-text{flex:1 1 480px;color:white;min-width:220px}
.hero-text h1{font-size:26px;margin:0 0 8px;line-height:1.06}
.lead{opacity:0.95;margin-bottom:12px;font-size:0.95rem}
.cta-row{display:flex;gap:10px;margin:12px 0}
.btn-primary{background:linear-gradient(90deg,var(--accent-a),var(--accent-b));border:0;color:white;padding:10px 16px;border-radius:10px;cursor:pointer;box-shadow:var(--shadow);font-weight:600}
.btn-primary.large{padding:12px 20px;font-size:1rem}
.btn-primary.small{padding:8px 12px;font-size:0.9rem}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,0.12);color:white;padding:8px 12px;border-radius:10px;cursor:pointer}
.trust{display:flex;flex-direction:column;gap:8px;margin-top:12px;list-style:none;padding:0}
.trust li{font-size:0.92rem;opacity:0.95}
.trust i{margin-right:8px;color:#fff}

/* hero panel */
.hero-panel{flex:0 0 360px;min-width:260px}
.calc-card{background:linear-gradient(180deg, rgba(255,255,255,0.98), rgba(255,255,255,0.94));padding:14px;border-radius:12px;color:#071334;box-shadow:0 10px 30px rgba(2,6,23,0.15)}
.calc-card h3{margin:0 0 8px;font-size:1.05rem}
.calc-card label{display:block;font-size:0.9rem;margin:8px 0}
.calc-card input[type="number"], .calc-card select, .calc-card textarea, .demo-form input, .demo-form textarea{
  width:100%;padding:10px;border-radius:8px;border:1px solid #e6eef9;font-size:0.95rem;margin-top:6px;background:white;
}
.results{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-top:10px}
.money{font-weight:700;font-size:1.05rem;color:#0b3a57}

/* sections */
.section{padding:30px 0}
.container{max-width:1020px;margin:0 auto}
.muted{color:rgba(7,19,52,0.7)}
/* charts grid: responsive */
.charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.chart-card{background:var(--card);padding:12px;border-radius:12px;box-shadow:0 8px 20px rgba(2,6,23,0.06)}
/* control canvas sizing with CSS and use Chart.js maintainAspectRatio:false */
.chart-card canvas{width:100% !important; height:260px !important; display:block}

/* lighter section */
.light{background:rgba(255,255,255,0.9);border-radius:12px;padding:20px;margin-top:12px}
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:12px}
.benefit{background:white;padding:14px;border-radius:12px;box-shadow:0 6px 18px rgba(2,6,23,0.06);text-align:left}
.benefit .icon{font-size:26px;color:var(--accent-a);margin-bottom:10px}

/* CTA section */
.cta{background:linear-gradient(90deg, rgba(41, 93, 171, 0.06), rgba(255,255,255,0.6));border-radius:12px;padding:18px;margin-top:18px;text-align:center}

@media (min-width:1200px){
  .cta {margin-top:0px;color:#0f4f7f;padding:18px 0}
}


/* Footer */
.site-footer{margin-top:28px;color:#0f4f7f;padding:18px 0}
.footer-grid{display:flex;gap:18px;justify-content:space-between;align-items:flex-start}
.footer-grid ul{margin:0;padding-left:18px}
.footer-grid a{color:inherit;text-decoration:none}
copyright{display:block;text-align:center;margin-top:8px}

/* modal */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(2,6,23,0.5);z-index:40;padding:12px}
.modal[aria-hidden="false"]{display:flex}
.modal-panel{background:white;padding:16px;border-radius:12px;max-width:520px;width:100%;box-shadow:0 20px 40px rgba(2,6,23,0.4);position:relative}
.modal-close{position:absolute;right:12px;top:8px;background:none;border:0;font-size:22px;cursor:pointer}
.demo-form label{display:block;margin:8px 0}
.form-actions{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}
.form-status{margin-top:12px;color:green;font-weight:600}

/* responsive tweaks */
@media (max-width:900px){
  .hero-inner{flex-direction:column-reverse;align-items:stretch}
  .charts-grid{grid-template-columns:1fr;}
  .benefit-grid{grid-template-columns:1fr}
  .footer-grid{flex-direction:column;gap:12px}
  .hero-panel{width:100%}
}

/* critical mobile fix: <=430px */
@media (max-width:430px){
  :root{ --shadow: 0 6px 18px rgba(2,6,23,0.25) }
  .page{padding:12px}
  .hero-text h1{font-size:20px}
  .lead{font-size:0.9rem}
  .hero-inner{gap:12px}
  .hero-panel{flex-basis:100%;min-width:0}
  .calc-card{padding:12px}
  .results{flex-direction:column;align-items:flex-start;gap:6px}
  .charts-grid{gap:10px}
  /* reduce canvas height on very small screens */
  .chart-card canvas{height:170px !important}
  .chart-card{padding:10px}
  .benefit-grid{grid-template-columns:1fr}
  .btn-primary{padding:9px 12px}
  .btn-primary.large{padding:10px 14px}
  .trust{flex-direction:column}
  .hero-text h1{line-height:1.08}
  .calc-card h3{font-size:1rem}
}