:root { --primary: #0056b3; --secondary: #ff9800; --light: #f4f7f6; --dark: #333; }
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Poppins', sans-serif; }
body { background: #fff; color: var(--dark); line-height: 1.6; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header */
.top-bar { background: var(--dark); color: #fff; padding: 8px 0; font-size: 0.85rem; }
.top-bar .container { display: flex; justify-content: space-between; }
header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 999; }
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; height: 70px; }
.logo { font-size: 1.5rem; font-weight: 700; color: var(--primary); }
.highlight { color: var(--secondary); }
nav a { margin-left: 20px; font-weight: 500; color: #555; }
nav a:hover { color: var(--primary); }
.btn-primary { background: var(--primary); color: #fff; padding: 10px 20px; border-radius: 5px; }
.btn-secondary { background: var(--secondary); color: #fff; padding: 10px 20px; border-radius: 5px; }

/* Dropdown */
.dropdown { position: relative; display: inline-block; }
.dropdown-content { display: none; position: absolute; background-color: #f9f9f9; min-width: 200px; box-shadow: 0px 8px 16px rgba(0,0,0,0.1); z-index: 1; top: 100%; }
.dropdown-content a { color: black; padding: 12px 16px; text-decoration: none; display: block; margin: 0; }
.dropdown:hover .dropdown-content { display: block; }

/* Hero */
.hero { background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://source.unsplash.com/1600x900/?technician'); background-size: cover; color: #fff; padding: 100px 0; text-align: center; }
.hero h1 { font-size: 3rem; margin-bottom: 20px; }
.hero-btns { margin-top: 30px; }
.hero-btns a { margin: 0 10px; }

/* Grids & Cards */
.section { padding: 60px 0; }
.bg-light { background: var(--light); }
.section-title { text-align: center; margin-bottom: 40px; font-size: 2rem; color: var(--primary); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.card { background: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); border-bottom: 3px solid transparent; }
.card:hover { border-bottom: 3px solid var(--secondary); transform: translateY(-5px); }
.icon-box { font-size: 2.5rem; color: var(--secondary); margin-bottom: 15px; }
.read-more { color: var(--primary); font-weight: 600; margin-top: 15px; display: inline-block; }

/* Inner Page Layout */
.page-header { background: var(--primary); color: #fff; padding: 60px 0; text-align: center; margin-bottom: 40px; }
.content-wrapper { display: flex; gap: 40px; margin-bottom: 60px; }
main { flex: 2; }
aside { flex: 1; }
.sidebar-box { background: var(--light); padding: 25px; margin-bottom: 30px; border-radius: 5px; }
.sidebar-box h3 { margin-bottom: 15px; border-bottom: 2px solid var(--secondary); padding-bottom: 5px; display: inline-block; }
.sidebar-box ul { list-style: none; }
.sidebar-box ul li { margin-bottom: 10px; border-bottom: 1px solid #ddd; padding-bottom: 5px; }
.main-img { width: 100%; border-radius: 8px; margin-bottom: 20px; }

/* Footer */
footer { background: #222; color: #ccc; padding: 60px 0 20px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer-grid h3 { color: #fff; margin-bottom: 20px; }
.tags a { display: inline-block; background: #444; padding: 5px 10px; font-size: 13px; margin: 3px; border-radius: 3px; }
.tags a:hover { background: var(--secondary); color: #fff; }
.copyright { text-align: center; border-top: 1px solid #444; padding-top: 20px; }

/* Mobile */
@media(max-width: 768px) {
    .content-wrapper { flex-direction: column; }
    .hero h1 { font-size: 2rem; }
    .nav-wrapper nav { display: none; } /* Add JS for mobile menu toggle */
}