body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: #333;
  background: #fff;
}

/* Header */
header {
  background: #004c8c;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 5%;
}
.logo {
  font-size: 1.7em;
  font-weight: bold;
  letter-spacing: 0.5px;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 25px;
  margin: 0;
  padding: 0;
}
nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
}
nav a:hover { text-decoration: underline; }

/* Hero */
.hero {
  background: linear-gradient(rgba(0,76,140,0.8), rgba(0,76,140,0.8)), url('https://images.unsplash.com/photo-1554224155-8d04cb21cd6c?auto=format&fit=crop&w=1400&q=60');
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
  padding: 120px 20px;
}
.hero h1 { font-size: 2.4em; margin-bottom: 15px; }
.hero p { font-size: 1.2em; }

/* Cards section */
.cards-section {
  background: #f7f9fb;
  padding: 70px 5%;
}
.cards-section h2 {
  text-align: center;
  margin-bottom: 40px;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}
.card {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  padding: 30px;
  text-align: center;
  transition: transform .2s;
}
.card:hover { transform: translateY(-5px); }
.larger-text { font-size: 1.05em; line-height: 1.6; }

/* Features */
.features {
  padding: 70px 5%;
}
.features h2 {
  text-align: center;
  margin-bottom: 40px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
}
.feature {
  background: #eaf1f9;
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}

/* Why */
.why {
  background: #fff;
  padding: 80px 5%;
}
.why h2 { text-align: center; margin-bottom: 40px; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
}
.why-box {
  background: #f0f5fb;
  border-left: 5px solid #004c8c;
  border-radius: 6px;
  padding: 25px;
}
.why-box h3 { color: #004c8c; margin-bottom: 10px; }

/* Contact */
.contact {
  background: #f4f7fa;
  padding: 70px 5%;
}
.contact h2 {
  text-align: center;
  margin-bottom: 20px;
}
.center-text {
  text-align: center;
  margin-bottom: 25px;
}
.contact-form {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}
.contact-form input,
.contact-form textarea {
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 5px;
}
.contact-form button {
  background: #004c8c;
  color: #fff;
  border: none;
  padding: 12px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1em;
}
.contact-form button:hover { background: #003b6b; }

/* Footer */
footer {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 25px 5%;
  font-size: 0.9em;
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
  nav ul { flex-direction: column; background: #004c8c; text-align: center; }
  .hero h1 { font-size: 1.9em; }
  .hero p { font-size: 1em; }
}


/* ===== HAMBURGER MENU ===== */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    cursor: pointer;
}

.menu-toggle span {
    background: #fff;
    height: 3px;
    border-radius: 3px;
    transition: 0.3s;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== RESPONSIVE NAV ===== */
@media (max-width: 850px) {
    .menu-toggle {
        display: flex;
    }

    nav {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #004c8c;
        height: 0;
        overflow: hidden;
        transition: height 0.3s ease;
    }

    nav.active {
        height: 210px;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
        padding: 0;
        margin: 0;
    }

    nav ul li {
        width: 100%;
        text-align: center;
        padding: 12px 0;
    }

    nav ul li a {
        display: block;
        width: 100%;
        color: #fff;
        text-decoration: none;
        font-size: 1.1em;
    }

    nav ul li a:hover {
        background: rgba(255, 255, 255, 0.1);
    }
}