/* ===== BASE.CSS ===== */
/* Reset, variables, typography, base container */

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

:root {
  /* Colors – Corporate Navy & Teal */
  --navy: #0A1F44;
  --navy-light: #1a3363;
  --white: #ffffff;
  --grey-light: #F5F7FA;
  --grey-mid: #eaeef3;
  --teal: #1e7e7e;
  --silver: #b0c4ce;
  --text-dark: #1e2a41;
  --text-grey: #4a5b6e;
  --shadow: 0 12px 30px -10px rgba(10,31,68,0.08);
  --shadow-hover: 0 25px 35px rgba(10,31,68,0.12);
  --border-radius-card: 20px;
  --border-radius-btn: 40px;
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--white);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--navy);
}

h1 { font-size: 2.8rem; margin-bottom: 1.2rem; }
h2 { font-size: 2.2rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
h4 { font-size: 1.2rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; color: var(--text-grey); }

a {
  text-decoration: none;
  color: var(--navy);
  transition: var(--transition);
}

ul, ol { list-style: none; }

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 90%;
  max-width: 1280px;
  margin: 0 auto;
}

/* Helper classes */
.bg-light { background-color: var(--grey-light); }
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}
section:not(.cta-section) {
  margin: 20px 0;
}
.section-header p {
  font-size: 1.2rem;
  color: var(--text-grey);
}