/* 1. Global Reset & Variables */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f1f5f9; /* Thoda bluish background for IT feel */
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --accent: #00d2ff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    width: 95%;
    max-width: 1200px;
    margin: 0 auto;
}

/* 2. Header & Navigation */
.main-header {
    background: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-dark);
    text-decoration: none;
    text-transform: uppercase;
}

.logo span { color: var(--primary-color); }

.desktop-nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

.desktop-nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: 0.3s;
}

.desktop-nav a:hover, .desktop-nav a.active {
    color: var(--primary-color);
}

/* 3. Hero Section (Advanced Search Box) */
.hero-section {
    background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(30, 64, 175, 0.8)), 
                url('../images/hero-bg.jpg') center/cover;
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

.hero-section h1 { font-size: 2.8rem; margin-bottom: 1rem; }

.search-filter-box {
    margin-top: 40px;
    background: var(--white);
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.search-input-group {
    display: flex;
    gap: 10px;
}

.search-input-group input, .search-input-group select {
    flex: 1;
    padding: 15px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    outline: none;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.search-input-group button {
    padding: 0 30px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
}

.search-input-group button:hover { background: var(--secondary-color); }

/* 4. Main Layout (Sidebar + Content) */
.main-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    margin-top: 50px;
    margin-bottom: 80px;
}

/* Sidebar Filters */
.filter-sidebar {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    height: fit-content;
    box-shadow: var(--shadow);
}

.filter-group { margin-bottom: 25px; }
.filter-group h4 { margin-bottom: 15px; font-size: 1.1rem; border-bottom: 2px solid var(--bg-light); padding-bottom: 5px; }

.salary-options label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-light);
}

/* 5. Job Grid & Cards */
.job-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100%, 1fr)); /* List view looks more professional for IT */
    gap: 20px;
}

.job-card {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: 0.3s ease;
    border-left: 5px solid transparent;
    display: flex;
    flex-direction: column;
}

.job-card:hover {
    transform: translateX(5px);
    border-left-color: var(--primary-color);
}

.card-header { display: flex; justify-content: space-between; align-items: flex-start; }

.category-tag {
    background: #dbeafe;
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.job-card h3 { margin: 10px 0 5px; font-size: 1.3rem; }
.company { color: var(--primary-color); font-weight: 600; margin-bottom: 10px; }

.job-meta {
    display: flex;
    gap: 15px;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tag {
    background: var(--bg-light);
    color: var(--text-light);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    border: 1px solid #e2e8f0;
}

.apply-btn {
    align-self: flex-start;
    padding: 10px 25px;
    background: var(--text-dark);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
}

/* 6. Footer */
.main-footer {
    background: #0f172a;
    color: white;
    padding: 80px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-links ul { list-style: none; }
.footer-links a { 
    color: #cbd5e1; 
    text-decoration: none; 
    display: block; 
    margin-bottom: 12px;
    transition: 0.3s;
}
.footer-links a:hover { color: var(--primary-color); padding-left: 5px; }

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: #94a3b8;
}

/* 7. Responsive Adjustments */
@media (max-width: 900px) {
    .main-layout { grid-template-columns: 1fr; }
    .filter-sidebar { display: none; } /* Mobile par filters hide kar diye for cleaner look */
    .search-input-group { flex-direction: column; }
    .hero-section h1 { font-size: 2rem; }
}