/* RESET */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: #1f2937;
  line-height: 1.6;
  background: #ffffff;
}

/* TOP BAR */
.top-bar {
  background: #0b3c5d;
  color: #fff;
  text-align: center;
  padding: 10px;
  font-size: 15px;
}

.top-bar a {
  color: #ffcc00;
  font-weight: 700;
  text-decoration: none;
}

/* HEADER */
.header {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 999;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
}

.logo {
  font-size: 26px;
  font-weight: 800;
  color: #0b3c5d;
}

nav a {
  margin-left: 26px;
  text-decoration: none;
  color: #111827;
  font-weight: 600;
}

.nav-btn {
  background: #ff9800;
  padding: 10px 18px;
  border-radius: 6px;
  color: #fff;
}

/* HERO */
.hero {
  height: 75vh;
  position: relative;
}

.hero-overlay {
  background: linear-gradient(
    rgba(0, 0, 0, 0.65),
    rgba(0, 0, 0, 0.55)
  );
  height: 100%;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
}

.hero h1 {
  font-size: 52px;
  max-width: 900px;
  margin-bottom: 18px;
  line-height: 1.2;
}

.hero p {
  font-size: 20px;
  max-width: 720px;
}

.btn {
  background: #ff9800;
  padding: 16px 34px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 700;
  margin-top: 25px;
  display: inline-block;
}

.btn.large {
  font-size: 20px;
}

/* SECTIONS */
.section {
  padding: 90px 20px;
}

.section.light {
  background: #f9fafb;
}

.container {
  max-width: 1180px;
  margin: auto;
}

.container.narrow {
  max-width: 860px;
}

/* HEADINGS */
h2 {
  font-size: 36px;
  margin-bottom: 40px;
  text-align: center;
  color: #0b3c5d;
}

h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

/* INTRO TEXT */
.intro-text,
.closing-text {
  font-size: 18px;
  color: #374151;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

/* CARDS */
.grid > div {
  background: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.grid > div:hover {
  transform: translateY(-6px);
  box-shadow: 0 25px 45px rgba(0, 0, 0, 0.12);
}

/* FAQ */
#faqs div {
  margin-bottom: 25px;
}

#faqs h4 {
  font-size: 18px;
  font-weight: 700;
}

/* CTA */
.cta {
  background: linear-gradient(135deg, #0b3c5d, #092f4a);
  color: #ffffff;
  text-align: center;
  padding: 90px 20px;
}

.cta h2 {
  color: #ffffff;
  margin-bottom: 30px;
}

/* FOOTER */
footer {
  background: #111827;
  color: #9ca3af;
  text-align: center;
  padding: 25px;
  font-size: 14px;
}

/* MOBILE */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 38px;
  }

  nav {
    display: none;
  }
}