/* ===================================
   POLIMENTO CINEMATOGRÁFICO AAA
   Performance + UX Premium
   =================================== */

/* ===================================
   1. SMOOTH SCROLLING (NATIVO)
   =================================== */

html {
    scroll-behavior: smooth;
    /* Desabilita scroll suave em motion-reduced (acessibilidade) */
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===================================
   2. MICRO-INTERAÇÕES GLOBAIS
   =================================== */

/* Transições suaves em TODOS os elementos interativos */
a,
button,
input,
textarea,
select,
.btn,
.card,
.project-card,
.dashboard-card,
img,
[role="button"] {
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Hover em links (subtle underline) */
a:not(.btn):not(.logo):hover {
    opacity: 0.85;
}

/* Hover em botões (subtle lift) */
.btn:hover,
button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.btn:active,
button:active {
    transform: translateY(0);
}

/* Hover em imagens (zoom sutil 1.02x) */
img:hover {
    transform: scale(1.02);
}

/* Hover em cards (lift + borda dourada) */
.card:hover,
.project-card:hover,
.dashboard-card:hover {
    transform: translateY(-8px);
    border-color: var(--premium-gold, #C8A24F);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3),
                0 0 30px rgba(200, 162, 79, 0.15);
}

/* Hover em inputs (borda dourada) */
input:hover,
textarea:hover,
select:hover {
    border-color: rgba(200, 162, 79, 0.5);
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--premium-gold, #C8A24F);
    outline: none;
    box-shadow: 0 0 0 3px rgba(200, 162, 79, 0.1);
}

/* ===================================
   3. ANIMAÇÕES DE ENTRADA (FADE IN)
   =================================== */

/* Fade in para seções ao scroll */
.section-container,
section {
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   4. ZERO LAYOUT SHIFT (CLS = 0)
   =================================== */

/* Reservar espaço para imagens (evita layout shift) */
img {
    display: block;
    max-width: 100%;
    height: auto;
    /* Adicionar width/height inline em cada <img> no HTML */
}

/* Skeleton loading para imagens que ainda não carregaram */
img[loading="lazy"] {
    background: linear-gradient(90deg, 
        rgba(200, 162, 79, 0.05) 0%, 
        rgba(200, 162, 79, 0.1) 50%, 
        rgba(200, 162, 79, 0.05) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* ===================================
   5. PERFORMANCE (MOBILE-FIRST)
   =================================== */

/* Lazy load offscreen content */
.lazy-load {
    content-visibility: auto;
    contain-intrinsic-size: 500px;
}

/* Otimizar rendering de texto */
body {
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Otimizar rendering de imagens */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* ===================================
   6. MICRO-INTERAÇÕES: NAVIGATION
   =================================== */

/* Nav links (subtle underline on hover) */
.nav-menu a {
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--premium-gold, #C8A24F);
    transition: width 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.nav-menu a:hover::after,
.nav-menu a[aria-current="page"]::after {
    width: 100%;
}

/* ===================================
   7. MICRO-INTERAÇÕES: FORMS
   =================================== */

/* Form labels (lift on focus) */
.form-group {
    position: relative;
}

.form-group label {
    transition: all 0.3s ease;
}

.form-group input:focus + label,
.form-group textarea:focus + label {
    transform: translateY(-2px);
    color: var(--premium-gold, #C8A24F);
}

/* ===================================
   8. SCROLL REVEAL (PROGRESSIVE)
   =================================== */

/* Elementos aparecem gradualmente ao scroll */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   9. LOADING STATES (SKELETON)
   =================================== */

/* Placeholder enquanto conteúdo carrega */
.skeleton {
    background: linear-gradient(90deg, 
        rgba(200, 162, 79, 0.05) 0%, 
        rgba(200, 162, 79, 0.15) 50%, 
        rgba(200, 162, 79, 0.05) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-image {
    width: 100%;
    height: 300px;
}

/* ===================================
   10. MOBILE OPTIMIZATION
   =================================== */

@media (max-width: 768px) {
    /* Reduzir animações em mobile (performance) */
    *,
    *::before,
    *::after {
        transition-duration: 0.2s !important;
    }
    
    /* Desabilitar hover effects em touch devices */
    @media (hover: none) {
        img:hover {
            transform: none;
        }
        
        .card:hover,
        .project-card:hover,
        .dashboard-card:hover {
            transform: none;
            box-shadow: none;
        }
    }
    
    /* Otimizar scroll em mobile (momentum scrolling) */
    body {
        -webkit-overflow-scrolling: touch;
    }
}

/* ===================================
   11. PERFORMANCE: WILL-CHANGE
   =================================== */

/* Otimizar elementos que vão mudar (GPU acceleration) */
.btn:hover,
.card:hover,
.project-card:hover,
img:hover {
    will-change: transform;
}

.btn:not(:hover),
.card:not(:hover),
.project-card:not(:hover),
img:not(:hover) {
    will-change: auto;
}

/* ===================================
   12. ACESSIBILIDADE (FOCUS VISIBLE)
   =================================== */

/* Focus visible apenas para keyboard navigation */
*:focus:not(:focus-visible) {
    outline: none;
}

*:focus-visible {
    outline: 3px solid var(--premium-gold, #C8A24F);
    outline-offset: 2px;
}

/* ===================================
   13. PRINT STYLES (BONUS)
   =================================== */

@media print {
    /* Otimizar para impressão (remover animações) */
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
    
    /* Forçar cores para impressão */
    * {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* ===================================
   14. DARK MODE SUPPORT (FUTURO)
   =================================== */

@media (prefers-color-scheme: dark) {
    /* Site já é dark, mas preparado para ajustes */
    :root {
        --deep-black: #000000;
        --premium-gold: #C8A24F;
    }
}

/* ===================================
   15. HIGH CONTRAST MODE (ACESSIBILIDADE)
   =================================== */

@media (prefers-contrast: high) {
    /* Aumentar contraste para acessibilidade */
    body {
        background: #000000;
        color: #FFFFFF;
    }
    
    .btn,
    a {
        border: 2px solid currentColor;
    }
}