@media (max-width: 991px) {
    .hero-content h1 { font-size: 3rem; }
    .nav-menu { gap: 1.5rem; }
}

@media (max-width: 768px) {
    .navbar { 
        padding: 1.5rem 0 !important; 
        background: transparent; 
        transition: background 0.4s ease;
    }

    .nav-container {
        display: flex;
        justify-content: space-between;
        width: 100%;
        padding: 0 3rem 0 1.5rem !important; 
    }

    .navbar .logo-light { display: block !important; }
    .navbar .logo-dark { display: none !important; }
    .navbar.scrolled .logo-light { display: none !important; }
    .navbar.scrolled .logo-dark { display: block !important; }
    .navbar.scrolled {
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    }

    .nav-right-elements { 
        gap: 1.5rem; 
        display: flex;
        align-items: center;
        z-index: 1005;
    }

    .nav-right-elements .hamburger {
        display: flex;
        margin-top: -3px !important; 
    }

    .lang-switch {
        display: block !important;
        font-size: 0.9rem;
        font-weight: 500;
        letter-spacing: 0.1em;
    }
    .lang-switch a { color: #FFFFFF; text-decoration: none; transition: 0.3s; }
    
    .nav-social-header { display: none !important; }

    .navbar.scrolled .hamburger span { background-color: var(--text-primary); }

    .hamburger.active span { background-color: var(--accent-color) !important; }
    
    .nav-menu.active ~ .nav-container .nav-right-elements .lang-switch,
    .navbar:has(.nav-menu.active) .lang-switch {
         display: none !important;
         opacity: 0 !important;
         visibility: hidden !important;
         pointer-events: none;
    }

    .hamburger { 
        display: flex; 
        flex-direction: column;
        justify-content: space-between;
        width: 24px; height: 16px;
        cursor: pointer;
    }
    .hamburger span { 
        width: 100%; height: 2px; 
        background-color: #FFFFFF; 
        transition: all 0.3s ease-in-out;
    }
    .hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .nav-menu {
        position: fixed;
        top: 0; right: -100%; width: 100%; height: 100vh;
        background: rgba(250, 249, 246, 0.98);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 0;
        gap: 1.5rem;
        transition: right 0.6s cubic-bezier(0.77, 0, 0.175, 1), visibility 0.6s;
        visibility: hidden; 
        z-index: 1002;
    }

    .nav-menu.active { right: 0; visibility: visible; }
    
    .nav-menu li { 
        width: 100%; 
        border: none; 
        text-align: center;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.4s ease forwards;
    }

    .nav-menu.active li:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
    .nav-menu.active li:nth-child(2) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
    .nav-menu.active li:nth-child(3) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
    .nav-menu.active li:nth-child(4) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
    .nav-menu.active li:nth-child(5) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }

    .nav-menu a {
        display: inline-block;
        font-size: 1.3rem;
        font-weight: 300; 
        color: #2c2c2c !important;
        text-transform: uppercase;
        letter-spacing: 0.20em;
        padding: 0.5rem 1rem;
        position: relative;
    }

    .nav-menu a::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 1px;
        background-color: var(--accent-color);
        transition: width 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    }

    .nav-menu a:hover::after,
    .nav-menu a:active::after {
        width: 40px;
    }

    .nav-menu a:hover { color: var(--accent-color) !important; }

    .hero-content h1 { font-size: 2.5rem; padding: 0 1rem; }
    .contato-layout, .portfolio-grid { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; text-align: center; gap: 3rem; }
    .social-icons { justify-content: center; }

    .portfolio-filters {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
        margin-bottom: 3rem;
    }

    .filter-btn {
        font-size: 0.75rem;
        padding: 0.5rem 1rem;
        margin: 0;
    }

    .filter-btn.active {
        color: var(--accent-color);
    }

    section {
        opacity: 1 !important;
        transform: translateY(0) !important;
    }
    
    .portfolio-grid {
        opacity: 1 !important;
        visibility: visible !important;
    }
}

@media (max-width: 1024px) {
    .portfolio-item .item-overlay {
        opacity: 1 !important;
        pointer-events: auto !important;
    }

    .portfolio-item .item-overlay h4 {
        font-size: 1.1rem !important;
        margin-top: 0.3rem !important;
    }
    
    .portfolio-item .item-overlay .cat {
        font-size: 0.8rem !important;
    }
}

@media (max-width: 768px) {
    .lightbox-info-panel { 
        width: 100%; 
        padding: 5rem 2rem 2rem 2rem; 
    }

    .lightbox.info-active .scroll-down-hint {
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
    }

    .lightbox.info-active .btn-voltar-projetos {
        display: none !important;
    }

    .btn-voltar-projetos { 
        top: 1rem; 
        left: 1rem; 
    }

    .scroll-down-hint {
        bottom: 2vh;
    }

    .lightbox.info-active .btn-aba-detalhes {
        writing-mode: horizontal-tb;
        transform: none;
        background: transparent !important;
        color: var(--accent-color);
        top: 1rem;
        right: 1rem;
        padding: 0.5rem;
        font-size: 0.8rem;
        font-weight: 600;
    }
}