* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Back Button */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    margin-bottom: 30px;
    font-weight: 500;
}

.back-button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateX(-5px);
}

/* Project Header */
.project-header {
    background: white;
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.project-title {
    font-size: 3em;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
}

.project-subtitle {
    font-size: 1.3em;
    color: #666;
    margin-bottom: 30px;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 20px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50px;
    font-size: 0.95em;
}

.meta-item i {
    font-size: 1.2em;
}

/* Project Content */
.project-content {
    background: white;
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.section-title {
    font-size: 2em;
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.section-title i {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.description-text {
    font-size: 1.1em;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.feature-card {
    padding: 25px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5em;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
}

.feature-title {
    font-size: 1.2em;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.feature-description {
    color: #666;
    font-size: 0.95em;
}

/* Technologies */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
}

.tech-tag {
    padding: 12px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.95em;
    transition: all 0.3s ease;
}

.tech-tag:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    background: #fff;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.gallery-item img,
.gallery-item video {
    width: 100%;
    height: 250px;
    object-fit: contain;
    display: block;
    background: #f8f9fa;
    padding: 10px;
}

.video-item video {
    background: #000;
    padding: 0;
}

/* Lightbox Modal */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content img,
.lightbox-content video {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    font-size: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    z-index: 10;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    z-index: 10;
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-counter {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.1);
    padding: 12px 24px;
    border-radius: 50px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.stat-box {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 15px;
}

.stat-number {
    font-size: 2.5em;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.stat-label {
    color: #666;
    font-size: 1em;
}

/* Responsive */
/* Tablet landscape and smaller desktops */
@media (max-width: 1024px) {
    .project-title {
        font-size: 2.5em;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

/* Tablet portrait */
@media (max-width: 768px) {
    .project-title {
        font-size: 2em;
    }
    
    .project-subtitle {
        font-size: 1.1em;
    }
    
    .project-header,
    .project-content {
        padding: 30px 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 15px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .project-meta {
        flex-direction: column;
        gap: 15px;
    }
    
    .meta-item {
        font-size: 0.95em;
    }
    
    .section-title {
        font-size: 1.8em;
    }
    
    .back-button {
        bottom: 20px;
        left: 20px;
        padding: 12px 20px;
        font-size: 14px;
    }
    
    /* Lightbox adjustments for tablet */
    .lightbox-content {
        max-width: 95%;
        max-height: 85vh;
    }
    
    .lightbox-prev,
    .lightbox-next {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .lightbox-prev {
        left: 20px;
    }
    
    .lightbox-next {
        right: 20px;
    }
}

/* Mobile devices */
@media (max-width: 480px) {
    .project-title {
        font-size: 1.6em;
        line-height: 1.3;
    }
    
    .project-subtitle {
        font-size: 1em;
    }
    
    .project-header,
    .project-content {
        padding: 20px 15px;
    }
    
    .section-title {
        font-size: 1.5em;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .feature-card {
        padding: 20px 15px;
    }
    
    .feature-icon {
        font-size: 2em;
        margin-bottom: 12px;
    }
    
    .feature-card h3 {
        font-size: 1.1em;
    }
    
    .feature-card p {
        font-size: 0.9em;
    }
    
    /* Mobile gallery - single column for clarity */
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .gallery-item img,
    .gallery-item video {
        height: auto;
        min-height: 200px;
        max-height: 400px;
    }
    
    /* Stats grid - keep 2 columns but smaller */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .stat-box {
        padding: 20px 15px;
    }
    
    .stat-number {
        font-size: 2em;
    }
    
    .stat-label {
        font-size: 0.85em;
    }
    
    .back-button {
        bottom: 15px;
        left: 15px;
        right: 15px;
        text-align: center;
        padding: 15px 20px;
        font-size: 14px;
    }
    
    /* Lightbox mobile optimizations */
    .lightbox-content {
        max-width: 95%;
        max-height: 80vh;
        padding: 0 10px;
    }
    
    .lightbox-content img,
    .lightbox-content video {
        max-height: 80vh;
        border-radius: 8px;
    }
    
    .lightbox-close {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
    
    .lightbox-counter {
        bottom: 15px;
        padding: 10px 20px;
        font-size: 14px;
    }
    
    /* Improve touch targets */
    .gallery-item {
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }
    
    .meta-item {
        font-size: 0.85em;
        padding: 8px 12px;
    }
}

/* Very small devices */
@media (max-width: 360px) {
    .project-title {
        font-size: 1.4em;
    }
    
    .section-title {
        font-size: 1.3em;
    }
    
    .gallery-item img,
    .gallery-item video {
        min-height: 180px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}