/* About Page Styles */

/* Hero Section */
.about-hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    background: var(--bg-gradient);
    color: var(--text-white);
    display: flex;
    align-items: center;
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.about-hero h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
    animation: fadeInDown 1s ease;
}

.about-hero p {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.3s;
}

/* Company Overview */
.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: var(--spacing-3xl) 0;
}

.overview-content h2 {
    color: var(--primary-color);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-lg);
}

.overview-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Stats Container */
.stats-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-5px);
}

/* Events Section */
.events-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-light);
}

.event-highlight {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.event-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Exhibition Gallery */
.exhibition-gallery {
    margin-top: var(--spacing-2xl);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.testimonial-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

/* Responsive Design */
@media (max-width: 991px) {
    .overview-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .event-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .about-hero {
        min-height: 300px;
    }

    .about-hero h1 {
        font-size: var(--font-size-3xl);
    }

    .stats-container {
        grid-template-columns: 1fr;
    }

    .event-features {
        grid-template-columns: 1fr;
    }
}

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

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

/* Gallery Modal Styles */
.gallery-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition-base);
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-item-caption {
    color: var(--text-white);
    text-align: center;
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.gallery-view-btn {
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition-base);
}

.gallery-view-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* Modal */
.gallery-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.gallery-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    margin: auto;
}

.modal-image-container {
    position: relative;
}

.modal-image-container img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
}

.modal-caption {
    color: var(--text-white);
    text-align: center;
    padding: var(--spacing-md);
    margin: 0;
    font-size: var(--font-size-base);
}

/* Modal Controls */
.modal-close,
.modal-prev,
.modal-next {
    position: absolute;
    background: rgba(0, 0, 0, 0.5);
    color: var(--text-white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.modal-close {
    top: -20px;
    right: -20px;
    font-size: var(--font-size-xl);
}

.modal-prev,
.modal-next {
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-lg);
}

.modal-prev {
    left: -60px;
}

.modal-next {
    right: -60px;
}

.modal-close:hover,
.modal-prev:hover,
.modal-next:hover {
    background: var(--primary-color);
}

/* Loading State */
.modal-image-container.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .modal-prev,
    .modal-next {
        width: 30px;
        height: 30px;
        font-size: var(--font-size-base);
    }

    .modal-prev {
        left: 10px;
    }

    .modal-next {
        right: 10px;
    }

    .modal-close {
        top: 10px;
        right: 10px;
    }

    .modal-caption {
        font-size: var(--font-size-sm);
    }
}

/* Features Showcase Styles */
.features-showcase {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(to bottom, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.section-title {
    color: var(--primary-color);
    text-align: center;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.feature-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-header {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.feature-header h3 {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
}

/* pH Levels Styles */
.ph-levels {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.ph-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    transition: var(--transition-base);
}

.ph-item.alkaline {
    background: rgba(var(--primary-color-rgb), 0.1);
}

.ph-item.neutral {
    background: rgba(var(--success-color-rgb), 0.1);
}

.ph-item.acidic {
    background: rgba(var(--warning-color-rgb), 0.1);
}

.ph-value {
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.ph-use {
    color: var(--text-secondary);
}

/* Elements Grid Styles */
.elements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.element-item {
    text-align: center;
    padding: var(--spacing-md);
}

.element-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
}

.element-item h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.element-item p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

/* Benefits List Styles */
.benefits-list {
    display: flex;
    flex-direction: column;
    /* gap: var(--spacing-md); */
    gap: 40px;
}

.benefit-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(var(--primary-color-rgb), 0.05);
    border-radius: var(--border-radius-md);
    transition: var(--transition-base);
}

.benefit-item:hover {
    background: rgba(var(--primary-color-rgb), 0.1);
    transform: translateX(5px);
}

.benefit-icon {
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
}

/* Expert Quote Styles */
.expert-quote {
    text-align: center;
    max-width: 800px;
    margin: var(--spacing-2xl) auto 0;
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.expert-quote blockquote {
    position: relative;
    padding: var(--spacing-lg) var(--spacing-2xl);
}

.expert-quote blockquote::before,
.expert-quote blockquote::after {
    content: '"';
    position: absolute;
    color: var(--primary-color);
    font-size: 4rem;
    line-height: 1;
    opacity: 0.2;
}

.expert-quote blockquote::before {
    top: -10px;
    left: 0;
}

.expert-quote blockquote::after {
    bottom: -30px;
    right: 0;
}

.expert-quote p {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.expert-quote cite {
    color: var(--primary-color);
    font-style: normal;
    font-weight: 600;
}

/* Responsive Adjustments */
@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .benefit-row {
        grid-template-columns: 1fr;
    }

    .expert-quote {
        padding: var(--spacing-lg);
    }

    .expert-quote p {
        font-size: var(--font-size-lg);
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .feature-card {
        background: var(--bg-secondary);
    }

    .ph-item.alkaline {
        background: rgba(255, 255, 255, 0.1);
    }

    .ph-item.neutral {
        background: rgba(255, 255, 255, 0.05);
    }

    .ph-item.acidic {
        background: rgba(255, 255, 255, 0.03);
    }
}