/* ==========================================
   BN Professional Services - Components
   Reusable component styles
   ========================================== */

/* ==========================================
   Navigation Component
   ========================================== */

.navbar {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    width: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.navbar-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
}

.navbar-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--primary-blue);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    list-style: none;
    margin: 0;
}

.navbar-menu a {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-main);
    transition: color var(--transition-fast);
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--primary-blue);
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.navbar-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-main);
    margin: 4px 0;
    transition: all var(--transition-base);
}

/* Mobile Navigation */
@media (max-width: 767px) {
    .navbar-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .navbar-menu.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .navbar-toggle {
        display: block;
    }
}

/* ==========================================
   Footer Component
   ========================================== */

.footer {
    background-color: var(--bg-dark);
    color: var(--text-inverse);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-column h4 {
    color: var(--text-inverse);
    font-size: var(--text-base);
    margin-bottom: var(--spacing-lg);
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-column ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--text-muted);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--text-inverse);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    transition: all var(--transition-base);
}

.footer-social-link:hover {
    background-color: var(--primary-blue);
    transform: translateY(-2px);
}

/* ==========================================
   Course Card Component
   ========================================== */

.course-card {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.course-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.course-card-image {
    height: 200px;
    background-color: var(--bg-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.course-card-image::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.1;
    background-image: radial-gradient(var(--primary-blue) 1px, transparent 1px);
    background-size: 20px 20px;
}

.course-card-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
}

.course-card-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-card-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-main);
    transition: color var(--transition-fast);
}

course-card:hover .course-card-title {
    color: var(--primary-blue);
}

.course-card-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.course-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    margin-bottom: var(--spacing-md);
}

.course-card-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

/* ==========================================
   Stats Grid Component
   ========================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.stat-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-md);
    color: var(--primary-blue);
    font-size: 32px;
}

.stat-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.stat-number {
    font-size: var(--text-4xl);
    font-weight: 900;
    color: var(--text-main);
}

/* ==========================================
   Team Card Component
   ========================================== */

.team-card {
    text-align: center;
    transition: all var(--transition-base);
    max-width: 350px;
    width: 100%;
}

.team-card-image {
    aspect-ratio: 4 / 5;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    position: relative;
    filter: grayscale(100%);
    transition: filter var(--transition-slow);
}

.team-card:hover .team-card-image {
    filter: grayscale(0%);
}

.team-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.team-card:hover .team-card-overlay {
    opacity: 1;
}

.team-card-social {
    display: flex;
    gap: var(--spacing-sm);
}

.team-card-name {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.team-card-role {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--primary-blue);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.team-card-bio {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================
   Hero Section Component
   ========================================== */

.hero {
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-description {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 4px solid white;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==========================================
   Logo Grid Component
   ========================================== */

.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-2xl);
    align-items: center;
    justify-items: center;
}

.logo-grid img {
    height: 32px;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all var(--transition-base);
}

.logo-grid img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* ==========================================
   Form Components
   ========================================== */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--text-main);
    background-color: var(--bg-muted);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-error {
    font-size: var(--text-sm);
    color: #ef4444;
    margin-top: var(--spacing-xs);
}

.form-success {
    font-size: var(--text-sm);
    color: var(--accent-color);
    margin-top: var(--spacing-xs);
}