/* ==================== RESET & BASE ==================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --dark-green: #1e2d4a;
  --lime: #3b82f6;
  --gray: #a9a9a9;
  --dark: #0f172a;
  --light: #f0f4f8;
  --white: #ffffff;
  --text: #1e293b;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; width: 100%; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark-green);
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--gray);
  font-size: 1rem;
  margin-bottom: 50px;
}

.btn {
  display: inline-block;
  padding: 14px 36px;
  background: var(--lime);
  color: var(--dark);
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: background 0.3s, transform 0.2s;
  border-radius: 2px;
}

.btn:hover { background: #2563eb; transform: translateY(-1px); }