/* ============================================
   PROJECTS SECTION - MODERN HOME PAGE STYLES
   Clean, Glassmorphism, Responsive Design
   ============================================ */

/* CSS Variables */
:root {
    --projects-primary: #3b82f6;
    --projects-primary-dark: #2563eb;
    --projects-primary-light: #8b5cf6;
    --projects-secondary: #1e293b;
    --projects-text: #334155;
    --projects-text-light: #64748b;
    --projects-bg: #f8fafc;
    --projects-card-bg: rgba(255, 255, 255, 0.95);
    --projects-border: #e2e8f0;
    --projects-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    --projects-shadow-hover: 0 25px 35px -12px rgba(59, 130, 246, 0.25);
    --projects-radius: 20px;
    --projects-radius-sm: 12px;
    --projects-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --projects-secondary: #f1f5f9;
        --projects-text: #cbd5e1;
        --projects-text-light: #94a3b8;
        --projects-bg: #0f172a;
        --projects-card-bg: rgba(30, 41, 59, 0.95);
        --projects-border: #334155;
    }
}

/* Section Container */
#projects {
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

    /* Background Decorations */
    #projects::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
        pointer-events: none;
    }

    #projects::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
        pointer-events: none;
    }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

/* ============================================
   SECTION HEADER
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--projects-primary);
    background: rgba(59, 130, 246, 0.1);
    padding: 0.5rem 1.25rem;
    border-radius: 100px;
    margin-bottom: 1.25rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--projects-secondary);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--projects-text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ============================================
   PROJECTS GRID
   ============================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

/* Project Card Link */
.project-card-link {
    text-decoration: none;
    display: block;
    transition: var(--projects-transition);
}

/* Glass Card Design */
.glass-card {
    backdrop-filter: blur(10px);
    border-radius: var(--projects-radius);
    overflow: hidden;
    box-shadow: var(--projects-shadow);
    transition: var(--projects-transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--projects-border);
    position: relative;
}

    .glass-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--projects-shadow-hover);
        border-color: var(--projects-primary);
    }

/* ============================================
   PROJECT IMAGE
   ============================================ */
.project-image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

    .project-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }

.glass-card:hover .project-image img {
    transform: scale(1.08);
}

/* Image Placeholder */
.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    color: white;
    font-size: 3rem;
}

    .image-placeholder i {
        opacity: 0.7;
    }

/* Project Overlay */
.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    transition: var(--projects-transition);
}

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

/* Project Buttons */
.project-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--projects-primary);
    font-size: 1.125rem;
    transition: var(--projects-transition);
    text-decoration: none;
    transform: scale(0.9);
}

    .project-btn:hover {
        background: var(--projects-primary);
        color: white;
        transform: scale(1);
    }

/* ============================================
   PROJECT CONTENT
   ============================================ */
.project-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

    .project-content h3 {
        font-size: 1.25rem;
        font-weight: 700;
        /* color: var(--projects-secondary); */
        margin: 0 0 0.75rem 0;
        line-height: 1.4;
        transition: var(--projects-transition);
    }

.glass-card:hover .project-content h3 {
    color: var(--projects-primary);
}

.project-content p {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: #aab0b8;
    margin: 0 0 1rem 0;
    flex: 1;
}

/* ============================================
   TECH TAGS
   ============================================ */
.project-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.tech-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--projects-primary);
    background: rgba(59, 130, 246, 0.1);
    border-radius: 100px;
    transition: var(--projects-transition);
    letter-spacing: 0.3px;
}

.glass-card:hover .tech-tag {
    background: rgba(59, 130, 246, 0.2);
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-projects {
    text-align: center;
    padding: 4rem 2rem;
    border-radius: var(--projects-radius);
    border: 1px solid var(--projects-border);
}

    .empty-projects i {
        font-size: 4rem;
        color: var(--projects-text-light);
        margin-bottom: 1rem;
        opacity: 0.5;
    }

    .empty-projects p {
        font-size: 1rem;
        color: var(--projects-text-light);
    }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    #projects {
        padding: 3rem 0;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .project-image {
        height: 200px;
    }

    .project-content {
        padding: 1.25rem;
    }

        .project-content h3 {
            font-size: 1.125rem;
        }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .projects-grid {
        gap: 1rem;
    }

    .project-image {
        height: 180px;
    }

    .project-content {
        padding: 1rem;
    }

        .project-content h3 {
            font-size: 1rem;
        }

        .project-content p {
            font-size: 0.875rem;
        }

    .tech-tag {
        font-size: 0.625rem;
        padding: 0.2rem 0.6rem;
    }

    .project-btn {
        width: 38px;
        height: 38px;
        font-size: 1rem;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.projects-grid .project-card-link {
    animation: fadeInUp 0.5s ease-out forwards;
    opacity: 0;
}

    /* Staggered animation for cards */
    .projects-grid .project-card-link:nth-child(1) {
        animation-delay: 0.1s;
    }

    .projects-grid .project-card-link:nth-child(2) {
        animation-delay: 0.2s;
    }

    .projects-grid .project-card-link:nth-child(3) {
        animation-delay: 0.3s;
    }

    .projects-grid .project-card-link:nth-child(4) {
        animation-delay: 0.4s;
    }

    .projects-grid .project-card-link:nth-child(5) {
        animation-delay: 0.5s;
    }

    .projects-grid .project-card-link:nth-child(6) {
        animation-delay: 0.6s;
    }

/* ============================================
   HOVER EFFECTS
   ============================================ */
.glass-card {
    position: relative;
}

    .glass-card::before {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: var(--projects-radius);
        padding: 1px;
        background: linear-gradient(135deg, transparent 0%, var(--projects-primary) 100%);
        -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        -webkit-mask-composite: xor;
        mask-composite: exclude;
        opacity: 0;
        transition: var(--projects-transition);
        pointer-events: none;
    }

    .glass-card:hover::before {
        opacity: 1;
    }

/* ============================================
   SCROLLBAR STYLING (Optional)
   ============================================ */
.project-tech-tags::-webkit-scrollbar {
    height: 4px;
}

.project-tech-tags::-webkit-scrollbar-track {
    background: var(--projects-border);
    border-radius: 10px;
}

.project-tech-tags::-webkit-scrollbar-thumb {
    background: var(--projects-primary);
    border-radius: 10px;
}