/* ============================================
   Projects Section Styles - Simplified
   ============================================ */

/* Filter Buttons */
.project-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-color);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 0;
}

.filter-btn:hover::before {
    transform: translateX(0);
}

.filter-btn i,
.filter-btn span {
    position: relative;
    z-index: 1;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: #000;
    box-shadow: var(--glow-sm);
}

.filter-btn.active {
    background: var(--primary-color);
    color: #000;
    border-color: var(--primary-color);
    box-shadow: var(--glow-md);
}

.filter-btn.active::before {
    transform: translateX(0);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    grid-auto-rows: 1fr;
}

.project-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 2px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    transform: scale(1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--primary-color), transparent 30%);
    animation: rotate 4s linear infinite;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    z-index: 1;
}

.project-card > * {
    position: relative;
    z-index: 2;
}

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

.project-card:hover {
    box-shadow: var(--shadow-lg), var(--glow-md);
    transform: translateY(-8px) scale(1.02);
    border-color: var(--border-glow);
}

.project-card:hover::before {
    opacity: 0.15;
}

/* Featured Badge - Hidden */
.project-featured {
    display: none !important;
}

/* Project Header */
.project-header {
    position: relative;
    padding: 1.75rem 1.5rem 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
}

.project-category {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--primary-color);
    color: #000;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
    box-shadow: var(--glow-sm);
}

.project-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-organization {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Project Body */
.project-body {
    padding: 1.25rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-description {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.project-highlights {
    list-style: none;
    margin: 0 0 1.25rem 0;
    padding: 0;
}

.project-highlights li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.625rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.project-highlights li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

/* Technologies */
.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-top: 1rem;
    margin-top: auto;
    border-top: 2px solid var(--border-color);
}

.project-tech-tag {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.project-tech-tag:hover {
    border-color: var(--border-glow);
    box-shadow: var(--glow-sm);
    transform: translateY(-2px);
}

/* Project Footer */
.project-footer {
    padding: 0 1.5rem 1.5rem;
    display: flex;
    gap: 0.75rem;
}

.project-link {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.25rem;
    background: var(--primary-color);
    color: #000;
    font-size: 0.875rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--glow-sm);
    position: relative;
    overflow: hidden;
}

.project-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.project-link:hover::before {
    left: 100%;
}

.project-link:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: var(--glow-md);
}

/* Awards Badge */
.project-awards {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.award-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: #000;
    font-size: 0.75rem;
    font-weight: 800;
    border-radius: var(--radius-full);
    box-shadow: var(--glow-sm);
    animation: float 3s ease-in-out infinite;
}

.award-badge i {
    filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.8));
}

/* Responsive */
@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8125rem;
    }
}

@media (max-width: 480px) {
    .project-header {
        padding: 1.5rem 1.25rem 1.25rem;
    }

    .project-body {
        padding: 1.25rem;
    }

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

    .project-footer {
        padding: 0 1.25rem 1.25rem;
    }
}