:root {
    /* Exact MDcme Classic Palette */
    --mdcme-orange: #de7d2c;            /* Authentic MDcme Orange */
    --mdcme-orange-hover: #c66c23;
    --mdcme-nav-bg: #303030;            /* Classic Navigation Dark Bar */
    --mdcme-top-bg: #ffffff;
    --mdcme-text-dark: #333333;
    --mdcme-body-bg: #f5f5f5;
    --mdcme-border: #e0e0e0;
    --mdcme-tagline-blue: #21368b;      /* Original Tagline Blue */
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--mdcme-body-bg);
    color: var(--mdcme-text-dark);
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}

main {
    flex: 1 0 auto;
}

/* ===================================================================
   Header & Navigation
====================================================================== */
.tagline-text {
    color: var(--mdcme-tagline-blue);
    font-size: 1.05rem;
    font-weight: 600;
}

/* Solid Orange Buttons & Global Button Styling */
.btn-primary {
    background-color: var(--mdcme-orange) !important;
    border-color: var(--mdcme-orange) !important;
    color: #ffffff !important;
    font-weight: bold;
    border-radius: 4px;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: var(--mdcme-orange-hover) !important;
    border-color: var(--mdcme-orange-hover) !important;
    color: #ffffff !important;
}

.btn-outline-primary {
    color: var(--mdcme-orange) !important;
    border-color: var(--mdcme-orange) !important;
    font-weight: 600;
    border-radius: 4px;
}

.btn-outline-primary:hover,
.btn-outline-primary:active {
    background-color: var(--mdcme-orange) !important;
    border-color: var(--mdcme-orange) !important;
    color: #ffffff !important;
}

/* Navigation Bar (#303030 background like original Centum theme) */
.navbar-mdcme {
    background-color: var(--mdcme-nav-bg) !important;
    padding: 0;
    border-bottom: 2px solid var(--mdcme-orange);
}

.navbar-mdcme .navbar-nav .nav-link {
    color: #ffffff;
    font-size: 0.825rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 1rem 1.25rem;
    transition: background-color 0.15s ease, color 0.15s ease;
    display: flex;
    align-items: center;
}

/* Solid Orange on Mouse-Over and Active Page */
.navbar-mdcme .navbar-nav .nav-link:hover,
.navbar-mdcme .navbar-nav .nav-link:focus,
.navbar-mdcme .navbar-nav .nav-link.active {
    background-color: var(--mdcme-orange) !important;
    color: #ffffff !important;
}

/* Search Input in Navbar */
.nav-search-btn {
    background-color: var(--mdcme-orange) !important;
    border-color: var(--mdcme-orange) !important;
    color: #ffffff !important;
}

.nav-search-btn:hover {
    background-color: var(--mdcme-orange-hover) !important;
    border-color: var(--mdcme-orange-hover) !important;
}

/* ===================================================================
   Hero Section & Fading Course Carousel
====================================================================== */
.hero-wrapper {
    background: #ffffff;
    border-radius: 6px;
    border: 1px solid var(--mdcme-border);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.hero-welcome-col {
    background: linear-gradient(135deg, #2b303a 0%, #1e2229 100%);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brand-badge {
    background-color: var(--mdcme-orange) !important;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
}

.course-carousel-container {
    background-color: #000000;
    height: 100%;
    min-height: 380px;
}

.course-carousel-container .carousel-item {
    height: 100%;
    min-height: 380px;
    background-color: #1a1d24;
}

.course-carousel-container .carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Smooth Fade Transition */
.carousel-fade .carousel-item {
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.carousel-fade .carousel-item.active,
.carousel-fade .carousel-item-next.carousel-item-start,
.carousel-fade .carousel-item-prev.carousel-item-end {
    opacity: 1;
}

.course-ad-caption {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.4) 75%, transparent 100%);
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
}

/* Carousel Button Hover */
.course-ad-caption .btn-outline-light:hover {
    background-color: var(--mdcme-orange) !important;
    border-color: var(--mdcme-orange) !important;
    color: #ffffff !important;
}

/* ===================================================================
   Feature Cards (Pillars) & Catalog Cards
====================================================================== */
.feature-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    border: 1px solid var(--mdcme-border);
    border-radius: 6px;
    background-color: #ffffff;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border-color: var(--mdcme-orange);
}

.icon-circle {
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    background-color: #fff2e6;
    color: var(--mdcme-orange);
}

.feature-card .btn-link {
    color: var(--mdcme-orange);
}

.feature-card .btn-link:hover {
    color: var(--mdcme-orange-hover);
}

/* ===================================================================
   Footer
====================================================================== */
.portal-footer {
    background-color: #222222;
    color: #999999;
    border-top: 3px solid var(--mdcme-orange);
}

.portal-footer a {
    color: #aaaaaa;
    transition: color 0.15s ease;
}

.portal-footer a:hover {
    color: var(--mdcme-orange) !important;
}