/* Portfolio Page Styles */

/* Hero Section */
.portfolio-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--gradient-background);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.tech-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.floating-element {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-blue);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    bottom: 30%;
    left: 70%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); opacity: 0.6; }
    50% { transform: translateY(-20px) scale(1.2); opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-full);
    color: var(--accent-blue);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-6);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    color: var(--text-white);
}

.title-line {
    display: block;
    overflow: hidden;
}

.hero-description {
    font-size: var(--text-lg);
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--accent-blue);
    font-family: var(--font-heading);
}

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

/* Portfolio Filter */
.portfolio-filter {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--background-dark);
}

.filter-content {
    text-align: center;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.filter-btn {
    padding: var(--space-3) var(--space-6);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-accent);
    border-color: var(--accent-blue);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Projects Grid */
.projects-grid {
    padding: var(--space-8) 0 var(--space-20);
    background: var(--background-dark);
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-8);
}

.project-card {
    background: var(--background-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(0, 212, 255, 0.2);
    border-color: rgba(0, 212, 255, 0.3);
}

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
    background: var(--gradient-primary);
}

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

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

.project-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-normal);
}

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

.project-actions {
    display: flex;
    gap: var(--space-4);
}

.action-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    text-decoration: none;
}

.action-btn:hover {
    background: var(--accent-blue);
    color: var(--text-white);
    transform: scale(1.1);
}

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

.project-header {
    margin-bottom: var(--space-4);
}

.project-title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: var(--space-3);
    line-height: 1.3;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.tag {
    padding: var(--space-1) var(--space-3);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-full);
    color: var(--accent-blue);
    font-size: var(--text-xs);
    font-weight: 500;
}

.project-description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tech-item {
    padding: var(--space-1) var(--space-3);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-size: var(--text-xs);
    font-weight: 500;
}

/* Animation Classes */
.animate-fade-in {
    opacity: 0;
    animation: fadeIn 1s ease-out forwards;
}

.animate-slide-up {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s ease-out forwards;
}

.animate-fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease-out forwards;
}

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

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Animation Delays */
[data-delay="0.2"] { animation-delay: 0.2s; }
[data-delay="0.4"] { animation-delay: 0.4s; }
[data-delay="0.6"] { animation-delay: 0.6s; }
[data-delay="0.8"] { animation-delay: 0.8s; }
[data-delay="1.0"] { animation-delay: 1.0s; }

/* Responsive Design */
@media (max-width: 768px) {
    .portfolio-hero {
        min-height: 80vh;
        padding: var(--space-20) 0;
    }
    
    .hero-title {
        font-size: clamp(2rem, 6vw, 2.5rem);
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-4);
    }
    
    .filter-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .projects-container {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .project-image {
        height: 200px;
    }
    
    .project-content {
        padding: var(--space-4);
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .stat-number {
        font-size: var(--text-3xl);
    }
    
    .projects-container {
        grid-template-columns: 1fr;
    }
    
    .project-actions {
        gap: var(--space-3);
    }
    
    .action-btn {
        width: 45px;
        height: 45px;
    }
}

/* Project Modal Styles */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    backdrop-filter: blur(5px);
}

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

/* Hide body scroll when modal is open */
body.modal-open {
    overflow: hidden;
}

.modal-content {
    background: var(--background-secondary);
    border-radius: var(--radius-xl);
    max-width: 800px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    padding: var(--space-6) var(--space-8) var(--space-8) var(--space-8);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    /* Hide scrollbar for webkit browsers */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* Internet Explorer 10+ */
}

.modal-content::-webkit-scrollbar {
    display: none; /* Safari and Chrome */
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.modal-close:hover {
    background: var(--accent-blue);
    transform: scale(1.1);
}

/* Scroll Reveal Animation */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger Animation for Project Cards */
.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }
.project-card:nth-child(6) { animation-delay: 0.6s; }
.project-card:nth-child(7) { animation-delay: 0.7s; }
.project-card:nth-child(8) { animation-delay: 0.8s; }
.project-card:nth-child(9) { animation-delay: 0.9s; }

/* Loading Animation for Images */
.project-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.2) 50%, 
        rgba(255, 255, 255, 0.1) 100%);
    animation: shimmer 2s infinite;
    z-index: 1;
}

.project-image img:loaded + ::before {
    display: none;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}