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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-accent: #f1f5f9;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Main Content */
.main-content {
    padding-top: 100px;
    min-height: 100vh;
}

.gallery-header {
    text-align: center;
    padding: 4rem 2rem 2rem;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-accent) 100%);
}

.gallery-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gallery-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Carousel Container */
.carousel-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
}

.carousel {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    background: #000;
}

.carousel-track {
    display: flex;
    width: 500%;
    height: 100%;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    width: 20%;
    height: 100%;
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Dummy Images with Placeholder Backgrounds */
.slide-1 { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.slide-2 { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.slide-3 { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.slide-4 { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }
.slide-5 { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }

/* Image Overlay */
.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 3rem 2rem 2rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.carousel-slide:hover .image-overlay {
    transform: translateY(0);
}

.overlay-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.overlay-description {
    font-size: 1rem;
    opacity: 0.9;
    line-height: 1.5;
}

/* Navigation Buttons */
.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-nav:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

/* Dots Indicator */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

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

/* Gallery Info */
.gallery-info {
    max-width: 800px;
    margin: 4rem auto;
    padding: 0 2rem;
    text-align: center;
}

.gallery-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.gallery-info p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.tech-stack {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.tech-item {
    background: var(--bg-accent);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* Back to Portfolio Button */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-top: 2rem;
}

.back-button:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .carousel {
        height: 400px;
    }

    .carousel-nav {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .carousel-prev {
        left: 10px;
    }

    .carousel-next {
        right: 10px;
    }

    .gallery-title {
        font-size: 2.5rem;
    }

    .overlay-title {
        font-size: 1.25rem;
    }

    .overlay-description {
        font-size: 0.9rem;
    }

    .image-overlay {
        padding: 2rem 1.5rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .carousel {
        height: 300px;
    }

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

    .carousel-container {
        padding: 1rem;
    }

    .gallery-header {
        padding: 2rem 1rem 1rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}