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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f7fb;
  color: #1f2933;
  line-height: 1.6;
}

/* CONTAINER */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

/* LOGO */
.logo {
  width: 180px;
  max-width: 60%;
  display: block;
  margin: 0 auto 20px;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.25));
}

/* HEADINGS */
h1, h3 {
  color: #163666;
  margin-bottom: 12px;
  text-align: center;
}

h2 {
  color: #f8f8f7;
  margin-bottom: 12px;
  text-align: center;
}

.section-title {
  font-size: 1.8rem;
  margin: 40px 0 16px;
}

/* GRID */
.grid {
  display: grid;
  gap: 20px;
}

@media (min-width: 700px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* CARDS */
.card {
  background: #fff;
  border-radius: 12px;
  padding: 22px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 10px 25px rgba(15,23,42,0.08);
}

.card.highlight {
  border: 2px solid #f5a623;
}

/* PRICE */
.price {
  font-size: 1.4rem;
  font-weight: 700;
  color: #1f4b8f;
  margin: 10px 0;
}

/* FEATURES */
.features {
  list-style: none;
}

.features li {
  margin-bottom: 6px;
  padding-left: 18px;
  position: relative;
}

.features li::before {
  content: "•";
  position: absolute;
  left: 4px;
  color: #f5a623;
  font-weight: 700;
}

/* CTA */
.cta {
  background: linear-gradient(135deg, #1f4b8f, #163666);
  color: #fff;
  padding: 30px 20px;
  border-radius: 16px;
  text-align: center;
  margin-top: 40px;
}

.btn {
  display: inline-block;
  background: #fbbf24;
  padding: 12px 26px;
  border-radius: 999px;
  color: #111827;
  font-weight: 600;
  text-decoration: none;
  margin-top: 10px;
}

/* NAVIGATION */
nav {
  text-align: center;
  margin-bottom: 20px;
}

nav a {
  margin: 0 12px;
  text-decoration: none;
  color: #1f4b8f;
  font-weight: 600;
}

nav a:hover {
  text-decoration: underline;
}