:root {
  --navy: #142d4c;
  --navy-dark: #0c1e33;
  --blue-accent: #2f6fed;
  --ink: #1a2433;
  --muted: #5b6b7f;
  --bg: #ffffff;
  --bg-alt: #f4f6f9;
  --border: #e4e9ef;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; color: var(--navy-dark); }
h1 { font-size: clamp(28px, 4vw, 44px); }
h2 { font-size: clamp(24px, 3vw, 32px); }
h3 { font-size: 19px; }
p { color: var(--muted); margin: 0 0 12px; }

a { color: var(--blue-accent); text-decoration: none; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(6px);
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { height: 28px; width: auto; }
.brand-name { font-size: 18px; font-weight: 600; color: var(--navy-dark); letter-spacing: -0.2px; }
.brand-name strong { font-weight: 800; }

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { color: var(--ink); font-size: 15px; font-weight: 500; }
.main-nav a:hover { color: var(--blue-accent); }
.nav-cta {
  background: var(--navy);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 6px;
}
.nav-cta:hover { background: var(--blue-accent); }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  padding: 88px 0 72px;
  text-align: center;
}
.hero-inner { max-width: 780px; margin: 0 auto; }
.hero-sub { font-size: 18px; margin-bottom: 32px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--blue-accent); }
.btn-ghost { background: transparent; color: var(--navy); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--navy); }

/* Sections */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }
.section-lead { font-size: 17px; margin-bottom: 36px; max-width: 620px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
.section-alt .card { background: #fff; }

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 28px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 12px;
}

.nosotros-inner { max-width: 680px; }
.checklist { list-style: none; padding: 0; margin: 20px 0 0; }
.checklist li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  color: var(--ink);
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--blue-accent);
  font-weight: 700;
}

.contacto-inner { text-align: center; }
.contacto-inner .btn { margin-top: 8px; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}
.footer-inner {
  font-size: 14px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 700px) {
  .header-inner {
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding-top: 12px;
    padding-bottom: 12px;
  }
  .main-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 16px;
  }
  .main-nav a { font-size: 14px; }
  .hero { padding: 56px 0 48px; }
}