/* 
===============================================
    FACULTY PAGE SPECIFIC STYLES
===============================================
*/

/* 1. HERO BANNER */
.fac-hero {
    height: 60vh;
    min-height: 400px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}

.fac-hero .hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    z-index: -1;
    filter: brightness(0.6);
    transform: scale(1.1);
    transition: transform 0.5s ease-out;
}

.fac-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(2, 6, 23, 0.4), var(--bg-body));
    z-index: 0;
}

.fac-hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    padding: 0 20px;
}

.fac-hero-content h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    margin-bottom: 1rem;
}

.fac-hero-content h1 span {
    color: var(--primary);
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fac-hero-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a:hover { color: var(--primary); }

/* 2. INTRODUCTION */
.fac-intro {
    padding: 8rem 0;
}

.fac-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.teaching-philosophy {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-top: 3rem;
}

.p-item {
    display: flex;
    gap: 20px;
    background: var(--bg-surface);
    padding: 25px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.p-item:hover {
    transform: translateX(10px) translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
    background: var(--bg-alt);
}

.p-item i {
    font-size: 2rem;
    color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
    padding: 15px;
    border-radius: 12px;
    height: max-content;
}

.p-item h4 { margin-bottom: 5px; font-family: var(--font-body); }
.p-item p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }

.fac-group-img {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.fac-group-img img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.experience-box {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: var(--primary);
    color: #fff;
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.experience-box .count {
    font-size: 3rem;
    font-weight: 800;
    display: block;
    line-height: 1;
}

.experience-box p {
    margin: 5px 0 0;
    font-size: 0.9rem;
    text-transform: uppercase;
    font-weight: 600;
}

/* 3. FILTERS */
.fac-filter-section {
    padding: 6rem 0;
}

.filter-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    gap: 20px;
}

.filter-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border-radius: 50px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text-main);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.search-bar {
    position: relative;
    min-width: 300px;
}

.search-bar i {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-bar input {
    width: 100%;
    padding: 14px 20px 14px 50px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--text-main);
    font-family: inherit;
    outline: none;
}

.search-bar input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

/* 4. FACULTY GRID & CARDS */
.fac-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.fac-card {
    background: var(--bg-surface);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.fac-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.fac-card-img {
    height: 320px;
    overflow: hidden;
    position: relative;
}

.fac-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.fac-card:hover .fac-card-img img { transform: scale(1.1); }

.fac-social-links {
    position: absolute;
    bottom: -50px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 15px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 20px 0;
    transition: var(--transition);
}

.fac-card:hover .fac-social-links { bottom: 0; }

.fac-social-links a {
    width: 40px;
    height: 40px;
    background: #fff;
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.fac-social-links a:hover {
    background: var(--primary);
    color: #fff;
}

.fac-card-info {
    padding: 25px;
    text-align: center;
}

.fac-card-info h3 {
    margin-bottom: 5px;
    font-family: var(--font-body);
    font-size: 1.25rem;
}

.fac-card-info .subject {
    color: var(--primary);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.fac-card-info .qual {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.btn-profile-view {
    padding: 10px 20px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--text-main);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-profile-view:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* 5. ACHIEVEMENTS */
.ach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.ach-card {
    background: var(--bg-surface);
    padding: 40px;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.ach-card:hover {
    transform: translateY(-5px);
    border-color: var(--secondary);
    box-shadow: 0 10px 30px rgba(251, 191, 36, 0.1);
}

.ach-card i {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
}

.ach-card h3 { font-family: var(--font-body); margin-bottom: 1rem; }
.ach-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; }

/* 6. JOIN FACULTY */
.join-fac {
    padding: 8rem 0;
    background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-body) 100%);
}

.join-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.benefits {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 2rem;
}

.b-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

.b-item i { color: var(--accent); }

.apply-form-mini {
    background: var(--bg-surface);
    padding: 50px;
    border-radius: 30px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xl);
}

.apply-form-mini h4 {
    font-family: var(--font-body);
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.form-group { margin-bottom: 20px; }
.form-group input, .form-group select {
    width: 100%;
    padding: 15px 20px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-main);
    font-family: inherit;
    outline: none;
}

.file-upload {
    margin-bottom: 25px;
    padding: 20px;
    border: 2px dashed var(--border);
    border-radius: 12px;
    text-align: center;
}

.file-upload label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    cursor: pointer;
}

/* 7. MODAL STYLING */
.profile-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.profile-modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-surface);
    width: 90%;
    max-width: 800px;
    border-radius: 30px;
    padding: 50px;
    position: relative;
    transform: translateY(50px);
    transition: var(--transition);
    max-height: 90vh;
    overflow-y: auto;
}

.profile-modal.show .modal-content { transform: translateY(0); }

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-muted);
    cursor: pointer;
}

.close-modal:hover { color: #fff; }

.modal-body-grid {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 40px;
}

.modal-img img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 20px;
}

.modal-info h2 { font-size: 2.5rem; margin-bottom: 5px; }
.modal-info .m-sub { color: var(--primary); font-weight: 700; margin-bottom: 20px; display: block; }
.modal-info p { margin-bottom: 1.5rem; color: var(--text-muted); }

.info-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.stat-box {
    background: var(--bg-alt);
    padding: 15px;
    border-radius: 12px;
}

.stat-box small { color: var(--text-muted); display: block; font-size: 0.8rem; text-transform: uppercase; }
.stat-box span { font-weight: 700; font-size: 1.1rem; }

/* RESPONSIVE */
@media (max-width: 992px) {
    .fac-intro-grid, .join-grid, .modal-body-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .fac-intro-grid .reveal, .join-grid .reveal {
        text-align: center;
    }
    .teaching-philosophy, .benefits {
        align-items: stretch;
    }
    .p-item {
        text-align: left;
    }
    .experience-box {
        bottom: 20px;
        right: 20px;
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .fac-hero {
        height: 50vh;
    }
    .fac-hero-content h1 {
        font-size: 2.8rem;
    }
    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }
    .filter-buttons {
        justify-content: center;
    }
    .search-bar {
        min-width: 100%;
    }
    .modal-content {
        padding: 30px 20px;
        border-radius: 20px;
    }
}

@media (max-width: 576px) {
    .fac-grid {
        grid-template-columns: 1fr;
    }
    .fac-hero-content h1 {
        font-size: 2.2rem;
    }
    .experience-box .count {
        font-size: 2rem;
    }
}

/* =========================================
   COMPREHENSIVE RESPONSIVE STYLES
   ========================================= */

/* Large Tablets & Small Desktops (max-width: 1024px) */
@media (max-width: 1024px) {
    .fac-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .fac-hero-content h1 {
        font-size: clamp(2rem, 4vw, 3rem);
    }

    .faculty-filter {
        flex-wrap: wrap;
        justify-content: center;
    }

    .filter-btn {
        margin: 5px;
    }
}

/* Medium Tablets (max-width: 768px) */
@media (max-width: 768px) {
    .fac-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .fac-hero {
        height: 400px;
    }

    .fac-hero-content h1 {
        font-size: 2rem;
    }

    .section-padding {
        padding: 3rem 0;
    }
}

/* Small Mobile Devices (max-width: 600px) */
@media (max-width: 600px) {
    .fac-grid {
        grid-template-columns: 1fr;
    }

    .fac-hero {
        height: 350px;
    }

    .fac-hero-content h1 {
        font-size: 1.8rem;
    }

    .fac-hero-content p {
        font-size: 0.9rem;
    }

    .card {
        padding: 20px;
    }

    .card-title {
        font-size: 1.2rem;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .footer {
        padding: 60px 0 20px;
    }

    .footer-col h3 {
        font-size: 1.1rem;
    }
}

/* Extra Small Devices (max-width: 480px) */
@media (max-width: 480px) {
    .fac-hero-content h1 {
        font-size: 1.5rem;
    }

    .experience-box .count {
        font-size: 1.8rem;
    }
}