:root {
    --primary-emerald: #10b981;
    --slate-navy: #0f172a;
    --slate-600: #475569;
    --bg-light: #f8fafc;
}

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

body { 
    font-family: 'Plus Jakarta Sans', sans-serif; 
    color: var(--slate-navy); 
    background-color: var(--bg-light);
    min-height: 100vh;
}

.container { 
    max-width: 1400px; 
    margin: 0 auto; 
    padding: 40px 20px; 
}

.main-header-text {
    font-size: 40px; 
    font-weight: 800; 
    text-transform: uppercase; 
    letter-spacing: -1.5px;
    color: var(--slate-navy);
}

.header-accent-line {
    width: 60px; 
    height: 4px; 
    background: var(--primary-emerald); 
    margin-top: 15px; 
    border-radius: 2px;
}

/* Grid Layout Layer */
.careers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* Card Component Structures */
.career-card {
    background: #ffffff;
    border: 1px solid rgba(203, 213, 225, 0.4);
    border-radius: 24px;
    padding: 30px;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: flex;
    flex-direction: column;
    min-height: 340px;
}

.career-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-emerald);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.1);
}

.card-icon-header {
    width: 44px;
    height: 44px;
    background: #ecfdf5;
    color: var(--primary-emerald);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 20px;
}

.role-title {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.3;
    color: var(--slate-navy);
}

.role-description {
    font-size: 14px;
    line-height: 1.6;
    color: var(--slate-600);
    margin-bottom: 25px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 66px;
}

.card-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.btn-explore {
    font-size: 11px; 
    font-weight: 800; 
    text-transform: uppercase;
    color: var(--slate-600); 
    text-decoration: none; 
    display: flex; 
    align-items: center; 
    gap: 5px;
    transition: color 0.2s;
}

.btn-explore:hover {
    color: var(--primary-emerald);
}

.btn-apply {
    background: var(--slate-navy); 
    color: #fff;
    padding: 10px 18px; 
    border-radius: 10px; 
    font-size: 11px; 
    font-weight: 700;
    text-transform: uppercase; 
    text-decoration: none; 
    transition: all 0.3s ease;
}

.btn-apply:hover { 
    background: var(--primary-emerald); 
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.2); 
}

/* Modal Windows Layer */
.modal-overlay {
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
    background: rgba(15, 23, 42, 0.9); 
    backdrop-filter: blur(10px);
    display: none; 
    justify-content: center; 
    align-items: center; 
    z-index: 1000;
}

.modal-content {
    background: #fff; 
    width: 90%; 
    max-width: 800px; 
    border-radius: 30px;
    padding: 50px; 
    max-height: 85vh; 
    overflow-y: auto; 
    position: relative;
}

.close-modal {
    position: absolute; 
    top: 25px; 
    right: 25px; 
    background: #f1f5f9;
    border: none; 
    padding: 10px 15px; 
    border-radius: 12px; 
    font-weight: 800; 
    cursor: pointer;
    transition: background 0.2s;
}

.close-modal:hover {
    background: #e2e8f0;
}

.modal-section-h { 
    font-size: 13px; 
    color: var(--primary-emerald); 
    text-transform: uppercase; 
    letter-spacing: 1px; 
    margin-top: 30px; 
    border-bottom: 1px solid #f1f5f9; 
    padding-bottom: 5px;
    font-weight: 700;
}

.modal-list { 
    list-style: none; 
    margin-top: 10px; 
}

.modal-list li { 
    font-size: 14px; 
    margin-bottom: 8px; 
    color: var(--slate-600); 
    position: relative; 
    padding-left: 20px; 
}

.modal-list li::before { 
    content: "→"; 
    color: var(--primary-emerald); 
    position: absolute; 
    left: 0; 
    font-weight: bold; 
}

/* Floating Action Back To Top Button UI */
.scroll-top-small {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background-color: var(--slate-navy);
    color: #ffffff;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 99;
}

.scroll-top-small:hover {
    background-color: var(--primary-emerald);
    transform: translateY(-3px);
}

/* Responsive Media Breakdown Intersections */
@media (max-width: 1200px) { .careers-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) { .careers-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { 
    .careers-grid { grid-template-columns: 1fr; }
    .modal-content { padding: 30px 20px; }
}