/* ========================================
   PEDRO ANDRADE - PORTFOLIO
   styles.css - Estilos Principais
   ======================================== */

/* Reset e Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores */
    --color-bg: #FFFFFF;
    --color-text: #000000;
    --color-text-light: #666666;
    --color-accent: #000000;
    --color-overlay: rgba(255, 255, 255, 0.98);
    
    /* Tipografia */
    --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Instrument Serif', Georgia, serif;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    overflow-x: hidden;
    overflow-y: scroll;
}

/* ========================================
   HOME PAGE - Sem scroll
   ======================================== */
body.home-page {
    overflow: hidden;
    height: 100vh;
    height: 100dvh;
}

body.home-page .hero {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

a:hover {
    opacity: 0.6;
}

/* ========================================
   HEADER
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--spacing-md) var(--spacing-md);
    z-index: 500;
    background: var(--color-bg);
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.logo {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.contact-link {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.header-nav {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--color-text);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
    padding-bottom: var(--spacing-lg);
}

.hero-text {
    font-family: var(--font-sans);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    max-width: 90%;
}

.hero-text .italic {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
}

.hero-text .parenthesis {
    font-size: 0.6em;
    font-weight: 400;
    vertical-align: middle;
    color: var(--color-text-light);
}

/* ========================================
   WORKS PAGE
   ======================================== */
.works-page {
    background: var(--color-bg);
}

.works-container {
    padding-top: calc(var(--spacing-xl) + var(--spacing-md));
    padding-bottom: var(--spacing-xl);
}

.project {
    padding: var(--spacing-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.project:last-child {
    border-bottom: none;
}

.project-header {
    display: grid;
    grid-template-columns: 60px 1fr 1fr auto auto;
    align-items: baseline;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.project-number {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.project-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.project-tags {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.project-meta {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 0.875rem;
}

.project-type {
    color: var(--color-text-light);
}

.project-year {
    font-weight: 600;
}

/* Gallery Scroll */
.project-gallery {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.project-gallery::-webkit-scrollbar {
    display: none;
}

.gallery-scroll {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    cursor: pointer;
    align-items: center;
}

.gallery-item {
    flex-shrink: 0;
    width: auto;
    height: 160px;
    background-color: #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
    transition: transform var(--transition-medium), opacity var(--transition-fast);
}

.gallery-item:hover {
    transform: scale(1.02);
}

.gallery-item img {
    height: 100%;
    width: auto;
    object-fit: contain;
    display: block;
}

.placeholder-img {
    background-color: attr(data-color);
}

.gallery-item[data-color] {
    background-color: var(--placeholder-color, #e0e0e0);
}

.view-project {
    flex-shrink: 0;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin-left: var(--spacing-md);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.gallery-scroll:hover .view-project {
    opacity: 1;
}

/* ========================================
   BARRA DE ROLAGEM CUSTOMIZADA (Global)
   ======================================== */
/* Webkit (Chrome, Safari, Edge) */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
    transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.35);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
}

/* ========================================
   ABOUT OVERLAY
   ======================================== */
.about-overlay {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-overlay);
    z-index: 600;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-lg) var(--spacing-md);
}

.about-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Botão de fechar - X minimalista */
.close-btn {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 210;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.5;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.close-btn:hover {
    opacity: 1;
    transform: scale(1.1);
}

.close-btn::before,
.close-btn::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 1.5px;
    background-color: #c0392b;
    border-radius: 1px;
    transition: background-color var(--transition-fast);
}

.close-btn::before {
    transform: rotate(45deg);
}

.close-btn::after {
    transform: rotate(-45deg);
}

.close-btn:hover::before,
.close-btn:hover::after {
    background-color: #e74c3c;
}

.about-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-md);
}

.about-main {
    grid-column: 1 / -1;
}

.about-intro {
    font-size: clamp(1.5rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-lg);
}

.about-bio {
    max-width: 600px;
}

.about-bio p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.about-bio a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.about-details {
    display: flex;
    gap: var(--spacing-xl);
}

.about-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.detail-section h3 {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-light);
}

.detail-section p {
    font-size: 0.8125rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-xs);
}

.detail-section a {
    transition: opacity var(--transition-fast);
}

.detail-section a:hover {
    opacity: 0.6;
}

.about-image {
    display: flex;
    justify-content: flex-end;
    align-items: flex-start;
}

.profile-photo {
    width: 280px;
    height: auto;
    border-radius: 4px;
    object-fit: cover;
}

.image-placeholder {
    width: 280px;
    height: 380px;
    background: linear-gradient(135deg, #e0e0e0 0%, #c0c0c0 100%);
    border-radius: 4px;
}

/* ========================================
   CURSOR PERSONALIZADO (Desktop)
   ======================================== */
.cursor,
.cursor-follower {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 99999;
    will-change: transform;
}

@media (hover: hover) and (pointer: fine) {
    /* Esconder cursor padrão */
    html {
        cursor: none !important;
    }
    
    body,
    a,
    button,
    input,
    textarea,
    select,
    .gallery-scroll,
    .nav-link,
    .close-btn,
    [role="button"] {
        cursor: none !important;
    }
    
    /* Mostrar cursores personalizados */
    .cursor,
    .cursor-follower {
        display: block;
    }
    
    /* Cursor principal - ponto */
    .cursor {
        width: 10px;
        height: 10px;
        background-color: #000000;
        border-radius: 50%;
        transform: translate(-50%, -50%);
        transition: width 0.15s ease, height 0.15s ease, background-color 0.15s ease;
    }
    
    /* Cursor seguidor - circulo */
    .cursor-follower {
        width: 40px;
        height: 40px;
        background-color: transparent;
        border: 1.5px solid rgba(0, 0, 0, 0.35);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        transition: width 0.2s ease, height 0.2s ease, border-color 0.2s ease;
    }
    
    [data-theme="dark"] .cursor {
    background-color: #f0f0f0;
}

[data-theme="dark"] .cursor-follower {
        border-color: rgba(240, 240, 240, 0.4);
    }
    
    /* Estado hover */
    body.cursor-hover .cursor {
        width: 20px;
        height: 20px;
        background-color: #000000;
    }
    
    body.cursor-hover .cursor-follower {
        width: 60px;
        height: 60px;
        border-color: rgba(0, 0, 0, 0.5);
    }
    
    [data-theme="dark"] body.cursor-hover .cursor {
        background-color: #f0f0f0;
    }
    
    [data-theme="dark"] body.cursor-hover .cursor-follower {
        border-color: rgba(240, 240, 240, 0.55);
    }
    
    /* Estado hidden (quando sai da janela) */
    body.cursor-hidden .cursor,
    body.cursor-hidden .cursor-follower {
        opacity: 0;
    }
}

/* ========================================
   ANIMAÇÕES
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.hero-text {
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.project {
    /* Animacao gerenciada via .reveal + IntersectionObserver no scripts.js */
}

/* Stagger de projetos gerenciado via JS (initRevealAnimations) */

/* ========================================
   UTILITY CLASSES
   ======================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Placeholder colors via JS */
[style*="--placeholder-color"] {
    background-color: var(--placeholder-color) !important;
}

/* Smooth loading */
.loading {
    opacity: 0;
}

.loaded {
    opacity: 1;
    transition: opacity 0.5s ease;
}
/* ========================================
   LANG TOGGLE (PT / EN)
   ======================================== */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0;
    background: none;
    border: none;
    cursor: pointer;
    /* Area de toque generosa - facil de clicar */
    padding: 0.5rem 0.75rem;
    margin: -0.5rem -0.75rem;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--color-text-light);
    transition: opacity var(--transition-fast);
    user-select: none;
    -webkit-user-select: none;
    outline: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.lang-toggle:hover {
    opacity: 0.75;
}

.lang-toggle:active {
    opacity: 0.5;
}

.lang-toggle:focus-visible {
    outline: 1px solid var(--color-text);
    outline-offset: 4px;
    border-radius: 2px;
}

.lang-toggle span[data-lang] {
    display: inline-block;
    padding: 0 0.25rem;
    transition: color var(--transition-fast), opacity var(--transition-fast);
    opacity: 0.35;
    color: var(--color-text-light);
}

.lang-toggle span[data-lang].lang-active {
    color: var(--color-text);
    opacity: 1;
    font-weight: 600;
}

.lang-divider {
    display: inline-block;
    opacity: 0.2;
    padding: 0 0.05rem;
    pointer-events: none;
    color: var(--color-text-light);
}

/* ========================================
   DARK MODE
   ======================================== */
[data-theme="dark"] {
    --color-bg:           #0a0a0a;
    --color-text:         #f0f0f0;
    --color-text-light:   #888888;
    --color-accent:       #f0f0f0;
    --color-overlay:      rgba(10, 10, 10, 0.98);
}

/* Transicao suave ao trocar tema */
body {
    transition: background-color 0.35s ease, color 0.35s ease;
}

/* Header no dark */
[data-theme="dark"] .header {
    background: var(--color-bg);
    border-bottom-color: rgba(255,255,255,0.06);
}

/* About overlay no dark */
[data-theme="dark"] .about-overlay {
    background: var(--color-overlay);
}

/* Galeria no dark */
[data-theme="dark"] .gallery-item {
    background-color: #1a1a1a;
}

/* Project footer no dark */
[data-theme="dark"] .project-footer {
    background: var(--color-bg);
}

/* Borda dos projetos no dark */
[data-theme="dark"] .project {
    border-bottom-color: rgba(255,255,255,0.07);
}

/* Cursor - mix-blend-mode difference garante visibilidade em qualquer fundo */

/* Close btn no dark */
[data-theme="dark"] .close-btn::before,
[data-theme="dark"] .close-btn::after {
    background-color: #e05555;
}

/* Project header no dark */
[data-theme="dark"] .project-header-fixed .project-number,
[data-theme="dark"] .project-header-fixed .project-tags {
    color: rgba(240, 240, 240, 0.35);
}

[data-theme="dark"] .project-header-fixed .project-title {
    color: var(--color-text);
}

[data-theme="dark"] .project-description-fixed p {
    color: rgba(240, 240, 240, 0.38);
}

[data-theme="dark"] .project-description-fixed a:hover {
    color: var(--color-text);
}

[data-theme="dark"] .nav-prev,
[data-theme="dark"] .nav-next {
    color: rgba(240, 240, 240, 0.35);
}

[data-theme="dark"] .nav-prev:hover,
[data-theme="dark"] .nav-next:hover {
    color: var(--color-text);
}

[data-theme="dark"] .nav-counter {
    color: rgba(240, 240, 240, 0.2);
}

[data-theme="dark"] .project-type,
[data-theme="dark"] .project-year {
    color: rgba(240, 240, 240, 0.35);
}

/* Nav link active no dark */
[data-theme="dark"] .nav-link.active::after {
    background: var(--color-text);
}

/* ========================================
   DARK MODE TOGGLE
   ======================================== */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    margin: -0.5rem;
    color: var(--color-text-light);
    transition: color var(--transition-fast), opacity var(--transition-fast);
    outline: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.theme-toggle:hover {
    opacity: 0.65;
}

.theme-toggle:active {
    opacity: 0.4;
}

.theme-toggle:focus-visible {
    outline: 1px solid var(--color-text);
    outline-offset: 4px;
    border-radius: 2px;
}

/* Icone SVG do toggle */
.theme-toggle svg {
    width: 14px;
    height: 14px;
    display: block;
    fill: currentColor;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle:hover svg {
    transform: rotate(20deg);
}

/* Esconder icone sol no light, lua no dark */
.icon-moon { display: block; }
.icon-sun  { display: none; }

[data-theme="dark"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun  { display: block; }

/* Scroll progress bar removida */

/* ========================================
   VIEW TRANSITIONS API
   Apenas opacity, sem transform para nao colidir
   com as animacoes fadeInUp dos elementos da pagina
   ======================================== */
@keyframes pa-page-out {
    from { opacity: 1; }
    to   { opacity: 0; }
}

@keyframes pa-page-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

::view-transition-old(root) {
    animation: pa-page-out 0.15s ease-out both;
}

::view-transition-new(root) {
    animation: pa-page-in 0.2s ease-in both;
}

/* ========================================
   ACESSIBILIDADE — Skip Link
   ======================================== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    padding: 0.5rem 1rem;
    background: var(--color-text);
    color: var(--color-bg);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
    z-index: 99999;
    transition: top 0.2s ease;
    border-radius: 0 0 4px 4px;
}

.skip-link:focus {
    top: 0;
    outline: 2px solid var(--color-text);
    outline-offset: 2px;
}

/* ========================================
   REVEAL — Sistema de animações de entrada
   ======================================== */

/* Estado inicial: invisível e deslocado */
.reveal,
.reveal-child {
    opacity: 0;
    transform: translateY(18px);
    transition:
        opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Estado final: visível */
.reveal.revealed,
.reveal-child.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Variante: apenas fade (sem movimento) */
.reveal-fade {
    opacity: 0;
    transition: opacity 0.6s ease;
}
.reveal-fade.revealed {
    opacity: 1;
}

/* Variante: da esquerda */
.reveal-left {
    opacity: 0;
    transform: translateX(-16px);
    transition:
        opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Respeitar prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal-child,
    .reveal-fade,
    .reveal-left {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ========================================
   REVEAL — Elementos fixed (páginas de projeto)
   Animação direta via CSS, sem IntersectionObserver
   ======================================== */
.pa-reveal-fixed {
    opacity: 0;
    transform: translateY(10px);
    animation: pa-fixed-reveal 0.55s cubic-bezier(0.4, 0, 0.2, 1) both;
    animation-delay: attr(data-delay s, 0s);
}

/* Fallback com delays específicos via CSS */
.project-header-fixed.pa-reveal-fixed {
    animation-delay: 0.05s;
}
.project-description-fixed.pa-reveal-fixed {
    animation-delay: 0.18s;
}
.project-footer.pa-reveal-fixed {
    animation-delay: 0.1s;
}

@keyframes pa-fixed-reveal {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header das páginas de projeto — entra da esquerda */
.project-page .header {
    opacity: 0;
    animation: pa-header-reveal 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0s both;
}

/* Header do works e index */
.works-page .header,
.home-page .header {
    opacity: 0;
    animation: pa-header-reveal 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0s both;
}

@keyframes pa-header-reveal {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Respeitar prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .pa-reveal-fixed,
    .project-page .header,
    .works-page .header,
    .home-page .header {
        opacity: 1;
        transform: none;
        animation: none;
    }
}

/* ========================================
   ANIMAÇÃO DO ABOUT OVERLAY
   Stagger ao abrir — gerenciado via JS (initAboutReveal)
   ======================================== */
.about-main,
.about-column,
.about-image {
    transition:
        opacity 0.55s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Estado inicial: invisível — só ativo quando .pa-about-anim é adicionado */
.pa-about-anim {
    opacity: 0;
    transform: translateY(14px);
}

/* Estado visível */
.pa-about-anim.pa-about-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Respeitar prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .about-main,
    .about-column,
    .about-image,
    .pa-about-anim {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* Garantir que o reveal das imagens de galeria não cause overflow */
.gallery-track {
    overflow: visible;
}
.gallery-image.reveal-child {
    transform: translateY(14px);
    transition:
        opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.gallery-image.reveal-child.revealed {
    opacity: 1;
    transform: translateY(0);
}