/* =============================================================================
   LV_PROJECTS_ENGINE | PROFESSIONAL_BUILD_v9.2026
   DEVELOPER: Valentino Lorenti (UX/UI Designer)
   STYLE: Professional Cyberpunk Minimalist - Projects Page
   ============================================================================= */

/* --- [1. PROJECTS HERO] --- */
.projects-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    padding-top: 150px;
    padding-bottom: 80px;
    position: relative;
    background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(10,10,10,1) 100%);
}

.display-mega-projects {
    font-size: clamp(4rem, 12vw, 9rem);
    font-weight: 900;
    text-transform: uppercase;
    line-height: 0.85;
    margin-bottom: 2rem;
    letter-spacing: -4px;
}

.lead-projects {
    color: var(--color-text-muted);
    max-width: 700px;
    font-size: 1.15rem;
    line-height: 1.7;
    border-left: 2px solid var(--color-accent);
    padding-left: 25px;
}

/* --- [2. FILTERS SECTION] --- */
.filters-section {
    padding: 60px 0;
    border-bottom: 1px solid var(--color-border);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.filter-btn-cyber {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.4s var(--bezier-premium);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.filter-btn-cyber::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
    transition: left 0.4s var(--bezier-premium);
}

.filter-btn-cyber:hover::before,
.filter-btn-cyber.active::before {
    left: 0;
}

.filter-btn-cyber:hover {
    border-color: var(--color-border-bright);
    transform: translateY(-3px);
}

.filter-btn-cyber.active {
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.03);
}

.filter-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-text-muted);
    transition: color 0.4s var(--bezier-premium);
}

.filter-btn-cyber.active .filter-label,
.filter-btn-cyber:hover .filter-label {
    color: var(--color-accent);
}

.filter-count {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--color-text-dim);
    transition: color 0.4s var(--bezier-premium);
}

.filter-btn-cyber.active .filter-count,
.filter-btn-cyber:hover .filter-count {
    color: var(--color-accent);
}

/* --- [3. PROJECTS GRID SECTION] --- */
.projects-grid-section {
    padding: 100px 0;
}

/* Estado inicial de los proyectos (para animación) */
.project-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--bezier-premium), transform 0.6s var(--bezier-premium);
}

.project-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Descripción del proyecto */
.project-desc {
    font-size: 0.9rem;
    color: var(--color-text-dim);
    line-height: 1.6;
    margin: 15px 0;
    min-height: 48px; /* Para mantener altura consistente */
}

.project-card-cyber:hover .project-desc {
    color: var(--color-text-muted);
}

/* --- [4. EMPTY STATE] --- */
.empty-state {
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--color-border);
    margin-top: 50px;
}

/* --- [5. CTA SECTION] --- */
.cta-section-projects {
    padding: 100px 0;
    border-top: 1px solid var(--color-border);
}

.cta-box-cyber {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 60px 50px;
    position: relative;
    overflow: hidden;
}

.cta-box-cyber::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-accent);
}

.btn-custom-cyber-large {
    display: inline-block;
    padding: 20px 50px;
    background: transparent;
    border: 1px solid #fff;
    color: #fff !important;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.8rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: all 0.4s var(--bezier-premium);
    text-decoration: none !important;
}

.btn-custom-cyber-large::before {
    content: "";
    position: absolute;
    top: 0; 
    left: -100%;
    width: 100%; 
    height: 100%;
    background: #fff;
    z-index: -1;
    transition: transform 0.5s var(--bezier-premium);
}

.btn-custom-cyber-large:hover::before {
    transform: translateX(100%);
}

.btn-custom-cyber-large:hover {
    color: #000 !important;
}

/* --- [6. FOOTER LINKS] --- */
.back-link {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-dim) !important;
    text-decoration: none !important;
    letter-spacing: 2px;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--color-accent) !important;
}

/* --- [7. GRID OVERLAY & SCAN LINE (Efectos cyberpunk)] --- */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 1;
    opacity: 0.3;
}


/* --- [9. RESPONSIVE] --- */
@media (max-width: 992px) {
    .projects-hero {
        min-height: 50vh;
        padding-top: 120px;
    }
    
    .display-mega-projects {
        font-size: 5rem;
    }
    
    .filters-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .filter-btn-cyber {
        padding: 15px 20px;
    }
}

@media (max-width: 768px) {
    .projects-hero {
        padding-top: 100px;
        padding-bottom: 50px;
    }
    
    .display-mega-projects {
        font-size: 3.5rem;
        letter-spacing: -2px;
    }
    
    .lead-projects {
        font-size: 1rem;
        border-left: none;
        padding-left: 0;
    }
    
    .filters-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid-section {
        padding: 60px 0;
    }
    
    .cta-box-cyber {
        padding: 40px 30px;
        text-align: center;
    }
    
    .cta-section-projects {
        padding: 60px 0;
    }
    
    .btn-custom-cyber-large {
        width: 100%;
        margin-top: 20px;
    }
}

@media (max-width: 576px) {
    .display-mega-projects {
        font-size: 2.5rem;
    }
    
    .filter-label {
        font-size: 0.7rem;
    }
    
    .filter-count {
        font-size: 1rem;
    }
    
    .project-desc {
        min-height: auto;
        font-size: 0.85rem;
    }
}

/* --- [10. MEJORAS DE ACCESIBILIDAD] --- */
.filter-btn-cyber:focus,
.btn-custom-cyber-large:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

/* --- [11. LOADER DE PROYECTOS] --- */
.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 3px;
    opacity: 0.5;
}

/* --- [12. ENLACES DE PROYECTO] --- */
.project-link-wrapper {
    text-decoration: none !important;
    color: inherit;
    display: block;
}

.project-link-wrapper:hover {
    text-decoration: none !important;
}

/* Reducir movimiento para usuarios que lo prefieran */
@media (prefers-reduced-motion: reduce) {
    .project-item,
    .filter-btn-cyber,
    .scan-line {
        animation: none;
        transition: none;
    }
}

/* LV_PROJECTS_PROFESSIONAL_2026 */