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

/* BODY */
body {
    font-family: Arial, sans-serif;
    background: #f5f7fa;
    color: #333;
}

/* SECTION */
.departments {
    padding: 60px 20px;
    text-align: center;
}

.departments h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    max-width: 600px;
    margin: 0 auto 40px;
    font-size: 1rem;
    color: #666;
}

/* GRID CONTAINER */
.dept-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Desktop default */
    gap: 25px;
    max-width: 1200px;
    margin: auto;
}

/* CARD */
.card {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    text-align: left;
    transition: 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

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

/* ICON */
.icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

/* TEXT */
.card h2 {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.card p {
    font-size: 0.95rem;
    margin-bottom: 10px;
    color: #555;
}

.card ul {
    list-style: none;
}

.card ul li {
    font-size: 0.9rem;
    padding-left: 15px;
    position: relative;
    margin-bottom: 5px;
}

.card ul li::before {
    content: "✔";
    position: absolute;
    left: 0;
    color: green;
}

/* ========================= */
/* 📱 MOBILE (≤ 600px) */
/* ========================= */
@media (max-width: 600px) {
    .departments {
        padding: 40px 15px;
    }

    .departments h1 {
        font-size: 1.8rem;
    }

    .subtitle {
        font-size: 0.9rem;
    }

    .dept-container {
        grid-template-columns: 1fr; /* 1 column */
    }

    .card {
        padding: 20px;
    }
}

/* ========================= */
/* 📲 TABLET (601px - 992px) */
/* ========================= */
@media (min-width: 601px) and (max-width: 992px) {
    .dept-container {
        grid-template-columns: repeat(2, 1fr); /* 2 columns */
    }

    .departments h1 {
        font-size: 2.2rem;
    }
}

/* ========================= */
/* 💻 LARGE DESKTOP (≥ 1200px) */
/* ========================= */
@media (min-width: 1200px) {
    .dept-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

.nav-menu {
  display: flex;
  gap: 20px;
}

.hamburger {
  display: none;
  font-size: 24px;
  cursor: pointer;
}

/* Mobile */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    flex-direction: column;
  }

  .nav-menu.active {
    display: flex;
  }

  .hamburger {
    display: block;
  }
}

.footer {
    background: #0b1f3a;
    color: #ccc;
    padding: 40px 20px 20px;
    font-family: Arial, sans-serif;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.footer-col h3 {
    color: #fff;
    margin-bottom: 15px;
}

.logo {
    color: #22c55e;
    margin-bottom: 10px;
}

.footer-col p,
.footer-col a {
    font-size: 14px;
    color: #ccc;
    text-decoration: none;
    margin-bottom: 8px;
    display: block;
}

.footer-col a:hover {
    color: #22c55e;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 8px;
}

/* Bottom bar */
.footer-bottom {
    border-top: 1px solid #1f3a5f;
    margin-top: 30px;
    padding-top: 15px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.footer-bottom a {
    color: #ccc;
    text-decoration: none;
}

.footer-bottom a:hover {
    color: #22c55e;
}

/* 📱 MOBILE RESPONSIVE */
@media (max-width: 992px) {
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .footer-container {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}