/* References Page Styles */

/* Hero Section */
.page-hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.page-hero .hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.page-hero .hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.6) 100%);
}

.page-hero .hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.page-hero-title {
    font-size: var(--text-5xl);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.page-hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-white);
    font-weight: var(--font-light);
}

/* Statistics Section */
.statistics-section {
    padding: var(--space-20) 0;
    background-color: var(--color-grey-50);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
}

.stat-card {
    text-align: center;
    background-color: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-base);
}

.stat-number {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    font-family: var(--font-primary);
}

.stat-suffix {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    font-family: var(--font-primary);
}

.stat-label {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-base);
    color: var(--color-text-light);
}

/* Featured Projects Section */
.featured-projects-section {
    padding: var(--space-20) 0;
}

/* Portfolio grid (align with Bauprojekte) */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-8);
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    height: 400px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.portfolio-image {
    position: relative;
    width: 100%;
    height: 100%;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.8) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-8);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-item:hover .portfolio-image img { transform: scale(1.1); }

.portfolio-overlay h3 { color: var(--color-white); font-size: var(--text-2xl); margin-bottom: var(--space-2); }
.portfolio-overlay p { color: rgba(255, 255, 255, 0.8); margin-bottom: var(--space-4); }

/* Modal and lightbox alignment with Bauprojekte */
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.7); z-index: var(--z-modal); overflow-y: auto; padding: var(--space-8); }
.modal.active { display: flex; align-items: center; justify-content: center; }
.modal-content { background-color: var(--color-white); max-width: 600px; width: 100%; padding: var(--space-8); border-radius: var(--radius-lg); position: relative; max-height: 90vh; overflow-y: auto; }
.modal-content.modal-xl { max-width: 1000px; }
.modal-close { position: absolute; top: var(--space-4); right: var(--space-4); width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; font-size: var(--text-2xl); color: var(--color-text-light); background-color: var(--color-grey-100); border-radius: var(--radius-full); transition: all var(--transition-fast); }
.modal-close:hover { background-color: var(--color-primary); color: var(--color-white); }
.text-muted { color: var(--color-grey-600); margin-top: -8px; margin-bottom: var(--space-4); }
.project-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); margin: var(--space-6) 0; }
.project-gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius-base); background-color: var(--color-grey-100); display: block; }
.project-details-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); margin: var(--space-8) 0; }
.details-list { list-style: none; padding: 0; margin: 0 0 var(--space-6) 0; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3) var(--space-6); }
.features-list { columns: 2; column-gap: var(--space-8); list-style: disc inside; margin-left: var(--space-4); }
.modal-cta { margin-top: var(--space-8); display: flex; justify-content: center; }

.lightbox { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.9); z-index: calc(var(--z-modal) + 10); align-items: center; justify-content: center; }
.lightbox.active { display: flex; }
.lightbox img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius-base); box-shadow: var(--shadow-xl); }
.lightbox-close { position: absolute; top: 20px; right: 20px; width: 44px; height: 44px; border-radius: var(--radius-full); background: rgba(255,255,255,0.1); color: #fff; font-size: 28px; border: 1px solid rgba(255,255,255,0.2); }
.lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: var(--radius-full); background: rgba(255,255,255,0.1); color: #fff; border: 1px solid rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; font-size: 28px; }
.lightbox-nav.prev { left: 24px; }
.lightbox-nav.next { right: 24px; }
.lightbox-counter { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,0.8); font-size: var(--text-sm); }

@media (max-width: 900px) {
  .project-details-grid { grid-template-columns: 1fr; }
  .project-gallery { grid-template-columns: repeat(2, 1fr); }
  .features-list { columns: 1; }
}

@media (max-width: 768px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-item { height: 300px; }
  .modal-content { padding: var(--space-6); }
  /* Hide arrow buttons on mobile; swipe gestures are enabled */
  .lightbox-nav { display: none; }
}

.project-categories {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    margin: var(--space-8) 0;
    flex-wrap: wrap;
}

.category-btn {
    padding: var(--space-2) var(--space-5);
    background-color: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-grey-300);
    border-radius: var(--radius-full);
    font-weight: var(--font-medium);
    transition: all var(--transition-fast);
}

.category-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.category-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* References Grid */
.references-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-8);
}

.reference-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-base);
    transition: all var(--transition-base);
}

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

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

.reference-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.reference-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.reference-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.view-details-btn {
    padding: var(--space-3) var(--space-6);
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-base);
    font-weight: var(--font-medium);
    transition: all var(--transition-fast);
}

.view-details-btn:hover {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.reference-content {
    padding: var(--space-6);
}

.reference-content h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.reference-location {
    color: var(--color-text-light);
    font-size: var(--text-sm);
    margin-bottom: var(--space-3);
}

.reference-details {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-3);
}

.detail-item {
    font-size: var(--text-sm);
    color: var(--color-primary);
    font-weight: var(--font-medium);
}

.reference-description {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Testimonials Section */
.testimonials-section {
    padding: var(--space-20) 0;
}

.testimonials-slider {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.testimonial-slide {
    display: none;
    text-align: center;
}

.testimonial-slide.active {
    display: block;
}

.testimonial-content {
    background-color: var(--color-white);
    padding: var(--space-12);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.quote-mark {
    font-size: var(--text-6xl);
    color: var(--color-primary);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--space-4);
}

.testimonial-text {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--space-8);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.testimonial-author strong {
    font-size: var(--text-lg);
    color: var(--color-text);
}

.testimonial-author span {
    color: var(--color-text-light);
}

/* Testimonial Navigation */
.testimonial-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.testimonial-prev,
.testimonial-next {
    width: 50px;
    height: 50px;
    border: 2px solid var(--color-grey-300);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.testimonial-prev:hover,
.testimonial-next:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    color: var(--color-white);
}

.testimonial-dots {
    display: flex;
    gap: var(--space-3);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background-color: var(--color-grey-300);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dot.active {
    background-color: var(--color-primary);
    transform: scale(1.2);
}

/* Partners Section */
.partners-section {
    padding: var(--space-20) 0;
    background-color: var(--color-white);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    filter: none;
    opacity: 1;
    transition: all var(--transition-fast);
}

.partner-logo:hover {
    transform: scale(1.05);
    opacity: 0.8;
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Project Detail Modal */
.project-detail-modal .modal-content {
    max-width: 1200px;
}

.project-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .references-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .project-detail-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-hero {
        height: 50vh;
        min-height: 300px;
    }
    
    .page-hero-title {
        font-size: var(--text-3xl);
    }
    
    .page-hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .project-categories {
        gap: var(--space-2);
    }
    
    .category-btn {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-sm);
    }
    
    .references-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-content {
        padding: var(--space-8);
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }
}

@media (max-width: 640px) {
    .stat-number {
        font-size: var(--text-4xl);
    }
    
    .stat-suffix {
        font-size: var(--text-2xl);
    }
    
    .testimonial-text {
        font-size: var(--text-base);
    }
    
    .testimonial-nav {
        gap: var(--space-4);
    }
    
    .testimonial-prev,
    .testimonial-next {
        width: 40px;
        height: 40px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}