:root {
  --navy: #0b2545;
  --navy-dark: #081c36;
  --navy-light: #13315c;
  --accent: #25d366;
  --accent-dark: #1eb85a;
  --ink: #1f2937;
  --muted: #5b6b7f;
  --line: #e5eaf1;
  --bg-alt: #f5f8fc;
  --white: #ffffff;
  --radius: 10px;
  --font-head: "Source Serif 4", Georgia, serif;
  --font-body: "Public Sans", -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 760px; }

h1, h2, h3 { font-family: var(--font-head); color: var(--navy); line-height: 1.2; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
  background: var(--navy);
  color: var(--white);
  font-weight: 700;
  font-size: 13px;
  padding: 6px 9px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}
.brand-mark span { color: var(--accent); }
.brand-name { font-weight: 700; color: var(--navy); font-size: 17px; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a:not(.btn) {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.15s ease;
}
.main-nav a:not(.btn):hover { color: var(--navy-light); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: background-color 0.15s ease, transform 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-light); }
.btn-whatsapp { background: var(--accent); color: var(--white); }
.btn-whatsapp:hover { background: var(--accent-dark); }
.btn-sm { padding: 9px 18px; font-size: 14px; }

/* Hero */
.hero {
  background: var(--navy);
  color: var(--white);
  padding: 96px 0 104px;
}
.hero-inner { max-width: 720px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12px;
  font-weight: 600;
  color: #9fb4d1;
  margin-bottom: 18px;
}
.hero h1 { color: var(--white); font-size: 44px; margin-bottom: 18px; }
.hero-sub { font-size: 18px; color: #c9d6e8; margin-bottom: 34px; max-width: 560px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .btn-navy { background: var(--white); color: var(--navy); }
.hero .btn-navy:hover { background: #e8eef7; }

/* Sections */
.section { padding: 84px 0; }
.section-alt { background: var(--bg-alt); }
.section h2 { font-size: 30px; margin-bottom: 16px; }
.lead { color: var(--muted); font-size: 17px; }

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
  margin-top: 36px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.service-card:hover {
  border-color: var(--navy);
  box-shadow: 0 6px 20px rgba(11, 37, 69, 0.08);
}
.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.service-card h3 { font-size: 18px; margin-bottom: 8px; font-family: var(--font-body); font-weight: 700; }
.service-card p { color: var(--muted); font-size: 14.5px; }

/* Contact */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.contact-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
a.contact-card:hover {
  border-color: var(--navy);
  box-shadow: 0 6px 20px rgba(11, 37, 69, 0.08);
}
.contact-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted);
  margin-bottom: 6px;
}
.contact-value { color: var(--navy); font-weight: 600; font-size: 16px; }

/* Footer */
.site-footer {
  background: var(--navy-dark);
  color: #a9bdd6;
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}
.footer-links a { color: #d7e3f2; text-decoration: none; }
.footer-links a:hover { color: var(--white); text-decoration: underline; }
.footer-links .divider { margin: 0 10px; color: #47608a; }

/* Legal pages */
.legal h1.legal-title { font-size: 34px; margin-bottom: 6px; }
.legal-updated { color: var(--muted); font-size: 13px; margin-bottom: 36px; }
.legal h2 { font-size: 20px; margin: 30px 0 10px; font-family: var(--font-body); font-weight: 700; }
.legal p { color: var(--ink); margin-bottom: 12px; }
.legal a { color: var(--navy-light); }
.legal-disclaimer {
  margin-top: 32px;
  padding: 16px 20px;
  background: var(--bg-alt);
  border-left: 3px solid var(--navy);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
}
.legal .btn { margin-top: 16px; }

/* Responsive */
@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 20px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px rgba(11, 37, 69, 0.08);
  }
  .main-nav.open { display: flex; }
  .main-nav a:not(.btn) { padding: 12px 0; width: 100%; }
  .nav-cta { margin-top: 10px; }

  .hero { padding: 64px 0 72px; }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 16px; }
  .section { padding: 60px 0; }
  .section h2 { font-size: 25px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}