:root{
  --bg:#ffffff;
  --text:#0b1a2b;
  --muted:#4a5b72;
  --line:rgba(10,28,46,.12);
  --brand:#0b4aa2;
  --brand2:#1e88e5;
  --surface:#f4f7fb;
  --shadow: 0 14px 34px rgba(10,28,46,.10);
  --radius:18px;
  --max:1180px;
}
*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height:1.6;
}
a{ color:inherit; text-decoration:none; }
.container{ max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:16px; top:12px; width:auto; height:auto; padding:10px 12px;
  background: var(--surface); border:1px solid var(--line); border-radius: 12px;
  z-index: 9999;
}
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
}
.brand{ display:flex; gap:12px; align-items:center; }
.brand-mark{
  width:42px; height:42px; border-radius: 14px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color:#fff; font-weight: 800;
}
.brand-text strong{ display:block; font-size:14px; }
.brand-text small{ display:block; color: var(--muted); font-size:12px; margin-top:2px; }

.site-nav{ display:flex; align-items:center; gap:18px; }
.site-nav a{ color: var(--muted); font-weight: 600; font-size:14px; }
.site-nav a:hover{ color: var(--text); }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid var(--line);
  transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}
.btn:hover{ transform: translateY(-1px); box-shadow: var(--shadow); border-color: rgba(10,28,46,.22); }
.btn-primary{
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color:#fff;
  border-color: rgba(11,74,162,.22);
}
.btn-secondary{
  background: var(--surface);
}

.nav-toggle{
  display:none;
  width:44px; height:44px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: #fff;
}
.nav-toggle span{
  display:block; height:2px; background: var(--text);
  margin: 6px 10px; opacity:.9;
}

.hero{
  padding: 56px 0 24px;
  background:
    radial-gradient(900px 500px at 15% 15%, rgba(30,136,229,.14), transparent 55%),
    radial-gradient(700px 400px at 85% 10%, rgba(11,74,162,.12), transparent 60%),
    linear-gradient(180deg, #ffffff, #f9fbff);
  border-bottom: 1px solid var(--line);
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 22px;
  align-items: start;
}
.kicker{
  display:inline-block;
  font-size: 12px;
  letter-spacing:.08em;
  text-transform: uppercase;
  color: var(--brand);
  background: rgba(30,136,229,.08);
  border: 1px solid rgba(30,136,229,.18);
  padding: 7px 10px;
  border-radius: 999px;
  font-weight: 700;
}
h1,h2,h3{
  font-family: "Source Serif 4", ui-serif, Georgia, serif;
  letter-spacing: -0.01em;
}
.hero h1{
  font-size: 44px;
  line-height: 1.05;
  margin: 12px 0 12px;
}
.lead{ color: var(--muted); font-size: 16px; max-width: 60ch; }
.hero-cta{ display:flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }

.card{
  background:#fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.card h3{ margin: 0 0 6px; }
.muted{ color: var(--muted); }
.small{ font-size: 12px; }
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.section{ padding: 42px 0; }
.section-head{ display:flex; justify-content:space-between; gap: 14px; align-items:flex-end; margin-bottom: 18px; }
.section-head p{ max-width: 70ch; }

.list-clean{ list-style:none; padding:0; margin:0; }
.breadcrumbs{ color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.breadcrumbs a{ color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }

.form label{ display:block; font-size: 13px; color: var(--muted); margin: 10px 0; font-weight: 600; }
input, select, textarea{
  width:100%;
  margin-top:6px;
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid rgba(10,28,46,.16);
  background: #fff;
  color: var(--text);
  outline: none;
}
input:focus, select:focus, textarea:focus{ border-color: rgba(30,136,229,.55); box-shadow: 0 0 0 4px rgba(30,136,229,.12); }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-note{ margin: 10px 0 0; }
.alert{ padding: 10px 12px; border-radius: 14px; border:1px solid rgba(16,185,129,.25); background: rgba(16,185,129,.08); color: #065f46; font-weight: 700; }
.alert.error{ border-color: rgba(239,68,68,.25); background: rgba(239,68,68,.06); color: #7f1d1d; }

.site-footer{
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 28px 0 18px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr .6fr .6fr;
  gap: 16px;
}
.footer-links{ display:flex; flex-direction:column; gap: 10px; }
.footer-links strong{ font-size: 13px; }
.footer-links a{ color: var(--muted); font-weight: 600; font-size: 14px; }
.footer-links a:hover{ color: var(--text); }
.footer-brand{ display:flex; gap: 12px; align-items:center; margin-bottom: 8px; }
.footer-bottom{ margin-top: 12px; }

.fab{
  position: fixed;
  right: 18px;
  bottom: 18px;
  display:flex;
  gap: 10px;
  align-items:center;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid rgba(10,28,46,.18);
  box-shadow: var(--shadow);
  background: #fff;
  font-weight: 800;
  z-index: 60;
}
.fab:hover{ transform: translateY(-1px); }
.fab-text{ font-size: 13px; color: var(--text); }
.fab-whatsapp span[aria-hidden="true"]{ font-size: 18px; }

@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .hero h1{ font-size: 38px; }
}
@media (max-width: 760px){
  .nav-toggle{ display:block; }
  .site-nav{
    position:absolute;
    right:20px;
    top:66px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    padding: 12px;
    background:#fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    width: min(360px, calc(100vw - 40px));
    box-shadow: var(--shadow);
  }
  .site-nav.open{ display:flex; }
  .form-row{ grid-template-columns: 1fr; }
}