body {
    font-family: 'Ubuntu', sans-serif;
    background-color: #FFFFFF;
    color: #000019;
}

.accent-navy { background-color: #000019; }
.accent-gold { background-color: #F2A10D; }
.accent-blue { background-color: #0D4374; }
.accent-orange { background-color: #F15A22; }

.text-navy { color: #000019; }
.text-gold { color: #F2A10D; }
.text-blue { color: #0D4374; }
.text-orange { color: #F15A22; }

.border-gold { border-color: #F2A10D; }

.hero-gradient {
    background: linear-gradient(135deg, #FFFFFF 0%, #fcfcfd 100%);
}

.btn-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Tab Logic Styles */
.course-tab {
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
    opacity: 0.5;
}

.course-tab.active {
    color: #0D4374;
    border-bottom-color: #F2A10D;
    opacity: 1;
    font-weight: 700;
}

.tab-content {
    display: none;
    animation: slideUpFade 0.5s ease-out;
}

.tab-content.active {
    display: block;
}

@keyframes slideUpFade {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Elegant Card Styling */
.course-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: #ffffff;
    border: 1px solid #f1f5f9;
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: #F15A22;
    transition: height 0.3s ease;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 25, 0.08);
    border-color: #e2e8f0;
}

.course-card:hover::before {
    height: 100%;
}

.icon-box {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: #f8fafc;
    color: #0D4374;
    transition: all 0.3s ease;
}

.course-card:hover .icon-box {
    background: #0D4374;
    color: #ffffff;
}

.duration-badge {
    background: #fff7ed;
    color: #c2410c;
    font-size: 0.7rem;
    padding: 2px 10px;
    border-radius: 9999px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    border: 1px solid #ffedd5;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f8fafc;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #0D4374;
}