/* ===================================
   Programs Page - Modern University Design
   =================================== */

/* Hero Section */
.programs-hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 8rem 0 5rem;
    overflow: hidden;
}

.programs-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../img/7.jpg') center/cover;
    opacity: 0.30;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(19, 19, 20, 0.85) 0%, 
        rgba(20, 20, 20, 0.75) 100%);
    z-index: 1;
}

.programs-hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: left;
    max-width: 800px;
    margin: 3 auto;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--text-white);
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-top: 1.5rem;
}

/* Programs Introduction */
.programs-intro {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.intro-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.intro-content h2 {
    font-size: clamp(2rem, 3vw, 2.8rem);
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.intro-content p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-body);
    margin-bottom: 1.5rem;
}

/* Filter Section */
.programs-filter-section {
    padding: var(--spacing-md) 0;
    background: var(--bg-light);
    position: sticky;
    top: 80px;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.filter-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-white);
    color: var(--text-dark);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-body);
}

.filter-btn:hover {
    background: var(--accent);
    color: var(--text-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.filter-btn.active {
    background: var(--accent);
    color: var(--text-dark);
    border-color: var(--accent-dark);
    box-shadow: var(--shadow-md);
}

.filter-btn i {
    font-size: 1rem;
}

/* Programs Grid */
.programs-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

/* Program Card */
.program-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    opacity: 5;
    transform: scale(1);
    animation: fadeIn 0.5s ease-out;
}

.program-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.program-card.hidden {
    display: none;
}

/* Card Header */
.program-card-header {
    padding: 2rem 2rem 1rem;
    background: linear-gradient(135deg, 
        var(--bg-light) 50%, 
        var(--bg-white) 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2px solid var(--bg-gray);
}

.program-icon {
    width: 60px;
    height: 60px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
}

.program-level {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: var(--text-white);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Card Body */
.program-card-body {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.program-title {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-weight: 600;
    line-height: 1.3;
}

.program-subtitle {
    font-size: 0.95rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.program-description {
    font-size: 1rem;
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex: 1;
}

/* Program Features List */
.program-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.program-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--text-body);
    font-size: 0.95rem;
}

.program-features li i {
    color: var(--accent);
    font-size: 1rem;
    flex-shrink: 0;
}

/* Card Footer */
.program-card-footer {
    padding: 0 2rem 2rem;
}

.btn-program {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem 1rem;
    background: var(--accent);
    color: var(--text-dark);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.btn-program:hover {
    background: var(--accent-light);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.btn-program i {
    transition: transform var(--transition-base);
}

.btn-program:hover i {
    transform: translateX(4px);
}

/* Call to Action Section */
.programs-cta {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    position: relative;
    overflow: hidden;
}

.programs-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../img/23_1080px.jpg') center/cover;
    opacity: 0.2;
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--text-white);
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

.cta-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .programs-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 2rem;
    }

    .programs-hero {
        min-height: 50vh;
        padding: 7rem 0 4rem;
    }
}

@media (max-width: 768px) {
    .programs-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .filter-controls {
        gap: 0.75rem;
    }

    .filter-btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.9rem;
    }

    .programs-hero {
        min-height: 40vh;
        padding: 6rem 0 3rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .programs-intro {
        padding: var(--spacing-lg) 0;
    }

    .intro-content h2 {
        font-size: 1.75rem;
    }

    .intro-content p {
        font-size: 1rem;
    }

    .program-card-header {
        padding: 1.5rem 1.5rem 1rem;
    }

    .program-card-body {
        padding: 1.5rem;
    }

    .program-card-footer {
        padding: 0 1.5rem 1.5rem;
    }

    .program-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .program-title {
        font-size: 1.35rem;
    }

    .cta-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .cta-actions .btn {
        width: 100%;
    }

    .programs-filter-section {
        position: static;
    }
}

@media (max-width: 480px) {
    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-btn {
        width: 100%;
        justify-content: center;
    }

    .hero-content {
        padding: 0 1rem;
    }

    .programs-hero {
        padding: 5rem 0 2.5rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .program-card,
    .filter-btn,
    .btn-program,
    .hero-content {
        animation: none;
        transition: none;
    }
}

/* Print Styles */
@media print {
    .programs-hero,
    .filter-controls,
    .programs-cta,
    .main-header,
    .main-footer {
        display: none;
    }

    .program-card {
        break-inside: avoid;
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }

    .programs-grid {
        grid-template-columns: 1fr;
    }
}