:root {
  --primary: #004B66;
  --accent: #FBC02D;
  --white: #FFFFFF;
  --light-bg: #F4F6F8;
  --text-dark: #1a1a1a;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--light-bg);
  color: var(--text-dark);
  line-height: 1.7;
}

header {
  background-color: var(--white);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #ddd;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo-img {
  height: 45px;
}

.nav-links {
  display: flex;
  align-items: center;
}

.nav-links a {
  margin-left: 2rem;
  text-decoration: none;
  color: var(--primary);
  font-weight: 600;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--accent);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--primary);
  margin: 4px 0;
  transition: 0.4s;
}

.hero {
  background: linear-gradient(135deg, var(--primary), #006684);
  color: var(--white);
  padding: 5rem 2rem;
  text-align: center;
  box-shadow: inset 0 -10px 20px rgba(0,0,0,0.1);
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
}

.cta-button {
  background-color: var(--accent);
  color: var(--primary);
  padding: 0.9rem 1.8rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s;
  text-decoration: none;
  display: inline-block;
}

.cta-button:hover {
  background-color: #ffd54f;
}

.section {
  padding: 4rem 2rem;
  max-width: 1100px;
  margin: auto;
}

.section h2 {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 1rem;
  text-align: center;
}

.section p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: #333;
  text-align: center;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.card {
  background: var(--white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  transition: transform 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  margin-bottom: 1rem;
  color: var(--primary);
}

.card ul {
  margin-top: 1rem;
  padding-left: 1.2rem;
  color: #444;
}

footer {
  background-color: var(--primary);
  color: var(--white);
  text-align: center;
  padding: 2rem 1rem;
}

footer p {
  margin-top: 0.5rem;
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 70px;
    right: 0;
    flex-direction: column;
    background-color: var(--white);
    width: 100%;
    text-align: right;
    padding: 1rem 2rem;
    border-top: 1px solid #eee;
    display: none;
  }

  .nav-links.show {
    display: flex;
  }

  .nav-links a {
    margin: 0.8rem 0;
  }

  .hamburger {
    display: flex;
  }

  .hero h1 {
    font-size: 2.3rem;
  }

  .hero p {
    font-size: 1.1rem;
  }
}