:root {
  --bg: #f3f6fa;
  --surface: #ffffff;
  --surface-alt: #eef3f9;
  --text: #0f2743;
  --muted: #516272;
  --primary: #003f7d;
  --primary-dark: #062f5a;
  --accent: #3e87dd;
  --line: #d9e3ee;
  --success-bg: #edf8f1;
  --success-text: #1f6a43;
  --error-bg: #fbefef;
  --error-text: #8b2e2e;
  --shadow: 0 18px 45px rgba(8, 31, 60, 0.08);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1140px, calc(100% - 2rem)); margin: 0 auto; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus {
  left: 1rem; top: 1rem; z-index: 1000; background: #fff; color: var(--primary);
  padding: .85rem 1rem; border-radius: 12px; border: 1px solid var(--line);
}

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(243, 246, 250, 0.96);
  border-bottom: 1px solid rgba(217, 227, 238, 0.9);
  backdrop-filter: blur(12px);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 88px;
}
.brand img { width: 230px; }
.main-nav {
  display: flex; align-items: center; gap: 1.35rem; color: var(--muted); font-weight: 700;
}
.main-nav a:hover, .main-nav a:focus { color: var(--primary); }
.menu-toggle {
  display: none; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: .7rem; cursor: pointer;
}
.menu-toggle span {
  display: block; width: 22px; height: 2px; background: var(--primary); margin: 4px 0;
}

.hero {
  padding: 5rem 0 3.5rem;
  background: linear-gradient(180deg, #f8fbff 0%, #eff5fb 100%);
}
.hero-grid {
  display: grid; grid-template-columns: 1.35fr .9fr; gap: 2rem; align-items: center;
}
.eyebrow {
  margin: 0 0 .7rem; color: var(--accent); text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 700;
}
.hero h1,
.section-heading h2,
.two-columns h2,
#contacto h2,
.cta-box h2,
.trust-grid h2 {
  margin: 0 0 1rem;
  line-height: 1.14;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 4.1rem); max-width: 11ch; }
.lead { max-width: 62ch; color: var(--muted); font-size: 1.08rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 1rem 1.35rem; border-radius: 999px; font-weight: 700;
  border: 1px solid transparent; transition: .2s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover, .btn-primary:focus { background: var(--primary-dark); }
.btn-secondary { background: transparent; border-color: var(--line); color: var(--primary); }
.btn-secondary:hover, .btn-secondary:focus { background: #fff; }
.btn-block { width: 100%; margin-top: .5rem; }

.hero-panel,
.cards-grid,
.feature-list,
.steps-grid { display: grid; gap: 1.2rem; }
.metric-card,
.card,
.step-card,
.cta-box,
.contact-form {
  background: var(--surface);
  border: 1px solid rgba(217, 227, 238, 0.78);
  box-shadow: var(--shadow);
}
.metric-card { padding: 1.4rem; border-radius: var(--radius); }
.metric-card strong { display: block; margin-bottom: .35rem; font-size: 1.02rem; }
.metric-card span { color: var(--muted); }

.trust-band {
  padding: 1.4rem 0; background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.trust-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 1.5rem; align-items: center; }

.section { padding: 5rem 0; }
.section-alt { background: var(--surface-alt); }
.section-heading { max-width: 780px; margin-bottom: 2rem; }
.section-heading.narrow { max-width: 720px; }
.section-heading h2,
.two-columns h2,
#contacto h2,
.cta-box h2,
.trust-grid h2 { font-size: clamp(1.85rem, 4vw, 3rem); }

.two-columns { display: grid; grid-template-columns: .9fr 1.1fr; gap: 2rem; }
.intro-columns p,
.two-columns p,
.card p,
.feature-list p,
.step-card p,
#contacto p,
.value-list li { color: var(--muted); }
.cards-grid { grid-template-columns: repeat(4, 1fr); }
.card { padding: 1.55rem; border-radius: var(--radius); }
.card h3, .step-card h3, .feature-list h3 { margin-top: 0; margin-bottom: .75rem; }
.value-list { margin: 1rem 0; padding-left: 1.1rem; }
.feature-list { grid-template-columns: repeat(2, 1fr); }
.feature-list.wide div,
.feature-list div {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem;
}
.steps-grid { grid-template-columns: repeat(4, 1fr); }
.step-card { padding: 1.5rem; border-radius: var(--radius); }
.step-card span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 50%; background: var(--surface-alt);
  color: var(--primary); font-weight: 700; margin-bottom: 1rem;
}

.section-cta { padding-top: 0; }
.cta-box {
  border-radius: calc(var(--radius) + 4px); padding: 2rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}

.contact-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 2rem; align-items: start; }
.contact-points p { margin: .35rem 0; }
.contact-form {
  border-radius: calc(var(--radius) + 4px); padding: 1.5rem; display: grid; gap: .7rem;
}
.contact-form label { font-weight: 700; }
.contact-form input,
.contact-form textarea {
  width: 100%; border: 1px solid #c7d3df; border-radius: 14px;
  padding: .95rem 1rem; font: inherit; color: var(--text); background: #fff;
}
.contact-form input:focus,
.contact-form textarea:focus,
.btn:focus,
.menu-toggle:focus,
.main-nav a:focus {
  outline: 3px solid rgba(62, 135, 221, 0.24); outline-offset: 2px;
}
.form-note { margin: 0; font-size: .92rem; color: var(--muted); }
.form-status {
  display: none; border-radius: 14px; padding: .9rem 1rem; font-weight: 700;
}
.form-status.is-visible { display: block; }
.form-status.success { background: var(--success-bg); color: var(--success-text); }
.form-status.error { background: var(--error-bg); color: var(--error-text); }
.hp-field { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

.site-footer { background: #071c35; color: rgba(255, 255, 255, 0.84); padding: 1.4rem 0; }
.footer-wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-wrap p { margin: 0; }

@media (max-width: 1024px) {
  .hero-grid,
  .trust-grid,
  .two-columns,
  .contact-grid,
  .cards-grid,
  .steps-grid,
  .feature-list {
    grid-template-columns: 1fr 1fr;
  }
  .hero-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .menu-toggle { display: inline-block; }
  .main-nav {
    position: absolute; top: 88px; right: 1rem; left: 1rem; display: none; flex-direction: column; align-items: flex-start;
    background: rgba(255, 255, 255, 0.98); border: 1px solid var(--line); border-radius: 18px; padding: 1rem; box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .trust-grid,
  .cards-grid,
  .feature-list,
  .steps-grid,
  .two-columns,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .cta-box,
  .footer-wrap { flex-direction: column; align-items: flex-start; }
  .brand img { width: 185px; }
  .section,
  .hero { padding: 4rem 0; }
}