/* ======================
   Global Reset
   ====================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: #0f172a;
  background-color: #f8fafc;
}

/* ======================
   Layout
   ====================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 90px 0;
}

section + section {
  border-top: 1px solid #e5e7eb;
}

/* ======================
   Typography
   ====================== */
h1, h2, h3 {
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

h1 {
  font-size: 42px;
  font-weight: 600;
}

h2 {
  font-size: 30px;
  font-weight: 600;
}

h3 {
  font-size: 20px;
  font-weight: 600;
}

p {
  max-width: 680px;
  color: #334155;
}

a {
  color: #2563eb;
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}

a:hover {
  color: #1d4ed8;
  transform: translateY(-1px);
}

/* ======================
   Buttons
   ====================== */
.cta-button {
  display: inline-block;
  background: linear-gradient(90deg, #2563eb, #3b82f6);
  color: #ffffff;
  padding: 14px 28px;
  font-weight: 600;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.15);
  transition: all 0.25s ease;
}

.cta-button:hover {
  background: linear-gradient(90deg, #1e40af, #2563eb);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.25);
  transform: translateY(-2px);
}

/* ======================
   Cards / Highlights
   ====================== */
.card,
.highlight {
  background: #ffffff;
  border-radius: 14px;
  padding: 36px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover,
.highlight:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.15);
}

/* ======================
   Hero Section
   ====================== */
header {
  background: linear-gradient(rgba(10, 37, 64, 0.7), rgba(10, 37, 64, 0.7)),
              url('../images/hero-bg.