/* ============================================================== */
/* NSB FACULTY PROFILE CSS - COMPLETE VERSION                   */
/* File: css/sections/faculty/faculty-profile.css               */
/* ============================================================== */

/* ===== CSS VARIABLES - NSB BRANDING ===== */
:root {
    /* NSB Primary Colors */
    --nsb-primary: #14213d;     /* Dark Blue */
    --nsb-accent: #fca311;      /* Orange/Gold */
    --nsb-secondary: #e5e5e5;   /* Light Gray */
    --nsb-light: #f8f9fa;       /* Off White */
    --nsb-white: #ffffff;
    --nsb-border: #e0e0e0;
    
    /* Text Colors */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #888888;
    --text-on-dark: #ffffff;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Lato', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-circle: 50%;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.18);
}

/* ===== BASE RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--nsb-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ===== BACK NAVIGATION ===== */
.back-navigation {
    background: var(--nsb-light);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--nsb-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(248, 249, 250, 0.95);
}

.back-navigation.back-bottom {
    position: static;
    margin-top: var(--space-xl);
    border-top: 1px solid var(--nsb-border);
    border-bottom: none;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.5rem 1rem;
    background: var(--nsb-white);
    border: 2px solid var(--nsb-primary);
    border-radius: var(--radius-md);
    color: var(--nsb-primary);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.back-btn:hover {
    background: var(--nsb-primary);
    color: var(--nsb-white);
    transform: translateX(-5px);
    box-shadow: var(--shadow-md);
}

.back-btn i {
    transition: transform 0.3s ease;
}

.back-btn:hover i {
    transform: translateX(-3px);
}

/* ===== PAGE HEADING ===== */
.page-heading {
    text-align: center;
    padding: var(--space-xl) 0 var(--space-lg);
    position: relative;
    overflow: hidden;
}

.page-heading h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--nsb-primary);
    margin-bottom: var(--space-xs);
    letter-spacing: -0.5px;
}

.page-heading:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 3px;
    background: var(--nsb-accent);
    border-radius: var(--radius-sm);
}

/* ===== HERO CARD - 40/60 SPLIT ===== */
.faculty-hero {
    padding: var(--space-xl) 0;
}

.hero-card {
    display: flex;
    background: var(--nsb-white);
    border: 3px solid var(--nsb-accent); /* NSB Yellow border */
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

/* Photo Section - 40% */
.photo-section {
    flex: 0 0 40%;
    max-width: 40%;
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(20, 33, 61, 0.02) 0%, rgba(252, 163, 17, 0.01) 100%);
}

.photo-wrapper {
    width: 100%;
}

.faculty-photo {
    width: 100%;
    height: auto;
    border: 2px solid var(--nsb-primary); /* NSB Blue border */
    border-radius: var(--radius-md);
    display: block;
    aspect-ratio: 4/5;
    object-fit: cover;
    background: var(--nsb-light);
    box-shadow: var(--shadow-md);
}

/* Details Section - 60% */
.details-section {
    flex: 0 0 60%;
    max-width: 60%;
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.faculty-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--nsb-primary);
    margin-bottom: var(--space-xs);
    line-height: 1.1;
}

.faculty-designation {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--nsb-accent);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--nsb-border);
    position: relative;
}

.faculty-designation:after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 80px;
    height: 2px;
    background: var(--nsb-accent);
}

/* Qualifications */
.qualifications-section {
    margin-bottom: var(--space-lg);
}

.qualifications-list {
    font-family: var(--font-body);
    font-size: 1.25rem;
    color: var(--text-primary);
    line-height: 1.8;
    white-space: pre-line;
}

/* ===== SOCIAL MEDIA LINKS ===== */
.social-media-section {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--nsb-border);
}

.social-media-subheading {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--nsb-primary);
    margin-bottom: var(--space-md);
    text-align: center;
}

.social-icons-row {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-top: var(--space-sm);
}

.social-icon-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-circle);
    color: white;
    font-size: 1.25rem;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: var(--shadow-md);
}

.social-icon-link:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-lg);
}

/* Social media brand colors */
.social-icon-link.linkedin { background: #0077b5; }
.social-icon-link.twitter { background: #1da1f2; }
.social-icon-link.youtube { background: #ff0000; }
.social-icon-link.facebook { background: #1877f2; }
.social-icon-link.instagram { 
    background: linear-gradient(45deg, #405DE6, #5851DB, #833AB4, #C13584, #E1306C, #FD1D1D);
}
.social-icon-link.blog { background: #6f42c1; }

/* Tooltips */
.social-icon-link .tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--nsb-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    margin-bottom: 12px;
}

.social-icon-link .tooltip:after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--nsb-primary);
}

.social-icon-link:hover .tooltip {
    opacity: 1;
    visibility: visible;
    bottom: calc(100% + 8px);
}

/* ===== PROFILE CARD - GREY BACKGROUND ===== */
.profile-card {
    background: var(--nsb-light); /* Grey background */
    border: 2px solid var(--nsb-primary); /* NSB Blue border */
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
    margin-top: var(--space-xl);
}

.profile-section {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--nsb-border);
    animation: fadeInUp 0.6s ease-out;
}

.profile-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.profile-subheading {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--nsb-primary);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.profile-subheading i {
    color: var(--nsb-accent);
    width: 24px;
    text-align: center;
}

/* ===== DETAILS CARD - WHITE BACKGROUND ===== */
.details-card {
    background: var(--nsb-white); /* White background */
    border: 2px solid var(--nsb-primary); /* NSB Blue border */
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
    margin-top: var(--space-xl);
}

.details-section-item {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--nsb-border);
    animation: fadeInUp 0.6s ease-out;
}

.details-section-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.details-subheading {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--nsb-primary);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.details-subheading i {
    color: var(--nsb-accent);
    width: 24px;
    text-align: center;
}

/* ===== CONTENT STYLES ===== */
.section-content {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    line-height: 1.8;
    padding-left: calc(24px + var(--space-sm));
}

.info-list {
    list-style: none;
    padding-left: calc(24px + var(--space-sm));
}

.info-list li {
    margin-bottom: var(--space-sm);
    padding-left: var(--space-md);
    position: relative;
    line-height: 1.6;
}

.info-list li:before {
    content: "•";
    color: var(--nsb-accent);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablet (≤ 1024px) */
@media (max-width: 1024px) {
    .hero-card {
        flex-direction: column;
    }
    
    .photo-section,
    .details-section {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .photo-section {
        padding: var(--space-xl);
    }
    
    .faculty-photo {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .details-section {
        padding: var(--space-lg);
    }
    
    .faculty-name {
        font-size: 2.25rem;
        text-align: center;
    }
    
    .faculty-designation {
        font-size: 1.5rem;
        text-align: center;
    }
    
    .faculty-designation:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .qualifications-list {
        text-align: center;
        font-size: 1.15rem;
    }
    
    .social-media-subheading,
    .profile-subheading,
    .details-subheading {
        font-size: 1.25rem;
        justify-content: center;
    }
    
    .section-content,
    .info-list {
        padding-left: 0;
        text-align: center;
    }
    
    .info-list li {
        text-align: left;
        padding-left: var(--space-lg);
    }
    
    .info-list li:before {
        left: var(--space-md);
    }
    
    .profile-card,
    .details-card {
        padding: var(--space-lg);
    }
}

/* Mobile (≤ 768px) */
@media (max-width: 768px) {
    .faculty-name {
        font-size: 2rem;
    }
    
    .faculty-designation {
        font-size: 1.35rem;
    }
    
    .qualifications-list {
        font-size: 1.1rem;
    }
    
    .social-icons-row {
        gap: var(--space-sm);
    }
    
    .social-icon-link {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }
    
    .page-heading h1 {
        font-size: 1.75rem;
    }
}

/* Small Mobile (≤ 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .faculty-name {
        font-size: 1.75rem;
    }
    
    .faculty-designation {
        font-size: 1.1rem;
    }
    
    .social-media-subheading,
    .profile-subheading,
    .details-subheading {
        font-size: 1.125rem;
        flex-direction: column;
        gap: var(--space-xs);
        text-align: center;
    }
    
    .qualifications-list {
        font-size: 1rem;
    }
    
    .social-icon-link {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .page-heading h1 {
        font-size: 1.5rem;
    }
    
    .profile-card,
    .details-card {
        padding: var(--space-md);
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .back-navigation {
        display: none;
    }
    
    .faculty-photo {
        border: 1px solid #000;
        box-shadow: none;
        max-width: 200px;
    }
    
    .faculty-name {
        font-size: 1.5rem;
    }
    
    .faculty-designation {
        font-size: 1.1rem;
    }
    
    .hero-card {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .page-heading {
        padding: var(--space-md) 0;
    }
    
    .page-heading h1 {
        font-size: 1.5rem;
    }
    
    .profile-card,
    .details-card {
        box-shadow: none;
        border: 1px solid #000;
        padding: 0;
        margin: var(--space-md) 0;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .social-icon-link:hover,
    .back-btn:hover {
        transform: none;
    }
    
    .profile-section,
    .details-section-item {
        animation: none;
    }
}

:focus-visible {
    outline: 3px solid var(--nsb-accent);
    outline-offset: 2px;
}