/* ==========================================================================
   A7 MOTION DESIGN - DESIGN SYSTEM (BENTO GRID & PÓS-PRODUÇÃO AUDIOVISUAL)
   ========================================================================== */

:root {
    /* ── Paleta de Cores Monocromática + Ciano Elétrico ── */
    --preto-fundo:       #0a0a0c;
    --dark:              #0a0a0c;
    --dark-light:        #141418;
    --dark-surface:      #1a1a20;
    --branco-texto:      #f5f5f5;
    --gray:              rgba(245, 245, 245, 0.6);
    --gray-muted:        rgba(255, 255, 255, 0.35);

    /* ── Acento Elétrico ── */
    --primary:           #00b1be;
    --primary-hover:     #22cddb;
    --primary-dark:      #007680;
    --secondary:         #00b1be;
    --accent:            #00b1be;
    --yellow:            #e8a530;
    --cor-destaque:      #00b1be;

    /* ── Superfícies Glassmórficas ── */
    --glass-bg:          rgba(255, 255, 255, 0.04);
    --glass-border:      rgba(255, 255, 255, 0.1);
    --card-border:       rgba(255, 255, 255, 0.08);

    /* ── Tipografia Audiovisual ── */
    --font-heading:      'Unbounded', 'Arial Black', sans-serif;
    --font-body:         'DM Sans', sans-serif;
    --font-mono:         'JetBrains Mono', monospace;
    --font-ui:           var(--font-body);

    /* ── Radii & Espaçamentos ── */
    --radius-sm:         8px;
    --radius-md:         14px;
    --radius-lg:         20px;
    --radius-pill:       100px;

    --transition-fast:   160ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 280ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- OVERLAY DE PELÍCULA ANALÓGICA --- */
.film-grain {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9990;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* --- CATEGORIAS DO PORTFÓLIO --- */
.category {
    margin-bottom: 70px;
    position: relative;
}

.category-header {
    margin-bottom: 24px;
    border-left: 3px solid var(--primary);
    padding-left: 18px;
}

.category-title {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--branco-texto);
    letter-spacing: -0.01em;
    margin-bottom: 6px;
    line-height: 1.25;
}

.category-description {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.5;
    max-width: 800px;
}

/* --- BENTO GRID SYSTEM (12 COLUNAS) --- */
.bento-projects-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 22px;
    align-items: stretch;
}

.bento-projects-grid .project-card {
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
    background: var(--dark-light);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.bento-projects-grid .project-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.65), 0 0 20px rgba(0, 177, 190, 0.15);
}

/* --- SPANS DE COLUNAS --- */
.card-span-12 { grid-column: span 12; }
.card-span-9  { grid-column: span 9; }
.card-span-8  { grid-column: span 8; }
.card-span-7  { grid-column: span 7; }
.card-span-6  { grid-column: span 6; }
.card-span-5  { grid-column: span 5; }
.card-span-4  { grid-column: span 4; }
.card-span-3  { grid-column: span 3; }

/* Tipografia proporcional ao span */
.card-span-12 .project-title { font-size: 1.35rem; }
.card-span-9 .project-title  { font-size: 1.28rem; }
.card-span-8 .project-title  { font-size: 1.25rem; }
.card-span-7 .project-title  { font-size: 1.22rem; }
.card-span-6 .project-title  { font-size: 1.15rem; }
.card-span-5 .project-title  { font-size: 1.10rem; }
.card-span-4 .project-title  { font-size: 1.02rem; }
.card-span-3 .project-title  { font-size: 0.92rem; }

/* --- CONTAINER DE VÍDEO & ASPECT RATIOS --- */
.video-container {
    position: relative;
    width: 100%;
    height: 0;
    overflow: hidden;
    background: #000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.project-card[data-ar="16:9"] .video-container { padding-bottom: 56.25%; }
.project-card[data-ar="1:1"]  .video-container { padding-bottom: 100%; }
.project-card[data-ar="9:16"] .video-container { padding-bottom: 177.78%; }

/* Suporte Vertical em Faixa Horizontal */
.card-vertical.card-inline .video-container {
    padding-bottom: 56.25%;
    background: #050508;
}

.card-vertical.card-inline .video-container::before {
    content: '';
    position: absolute;
    inset: -8%;
    background-image: var(--thumb);
    background-size: cover;
    background-position: center;
    filter: blur(24px) saturate(1.3) brightness(0.4);
    z-index: 0;
}

.video-thumbnail {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.card-vertical.card-inline .video-thumbnail {
    object-fit: contain;
    z-index: 2;
}

/* Elemento de vídeo no hover (carregado dinamicamente) */
.video-preview-element {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0;
    transition: opacity 0.35s ease;
    z-index: 2;
    pointer-events: none;
}

.card-vertical.card-inline .video-preview-element {
    object-fit: contain;
}

.video-preview-element.active {
    opacity: 1;
}

/* Play Button */
.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.85);
    width: 52px;
    height: 52px;
    background: rgba(10, 10, 15, 0.65);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    z-index: 3;
    transition: transform var(--transition-fast), background var(--transition-fast);
    pointer-events: none;
}

.play-button::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 14px solid #fff;
    border-top: 9px solid transparent;
    border-bottom: 9px solid transparent;
    margin-left: 4px;
}

.project-card:hover .play-button {
    transform: translate(-50%, -50%) scale(1);
    background: var(--primary);
    border-color: var(--primary);
}

.project-card.is-previewing .play-button {
    opacity: 0.4;
    transform: translate(-50%, -50%) scale(0.7);
}

/* --- BADGES & KEYCAPS --- */
.badge-recent {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0, 177, 190, 0.18);
    color: var(--primary);
    border: 1px solid rgba(0, 177, 190, 0.45);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    z-index: 4;
    backdrop-filter: blur(8px);
}

.badge-keycap {
    position: absolute;
    top: 12px;
    left: 12px;
    background: #18181e;
    border: 1px solid #2e2e38;
    border-bottom: 2px solid #0f0f14;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 3px 9px;
    border-radius: 5px;
    z-index: 4;
    color: #e4e4e7;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
    line-height: 1.2;
}

/* --- CONTEÚDO DO CARD (METADADOS TÉCNICOS) --- */
.project-info {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.01) 0%, rgba(255, 255, 255, 0.03) 100%);
}

.card-span-3 .project-info {
    padding: 16px 18px;
}

.project-title {
    font-family: var(--font-ui);
    font-weight: 700;
    line-height: 1.35;
    color: var(--branco-texto);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.card-subtitle {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 10px;
    margin-bottom: 6px;
}

.card-span-3 .card-subtitle {
    font-size: 0.68rem;
    margin-top: 8px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
}

.tag-base {
    font-family: var(--font-mono);
    font-size: 9.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.75);
}

.tag-motion { border-color: rgba(0, 177, 190, 0.35); color: var(--primary); }
.tag-edicao { border-color: rgba(255, 255, 255, 0.25); color: #fff; }
.tag-ia     { border-color: rgba(79, 209, 197, 0.4); color: #4fd1c5; }
.tag-roteirizacao { border-color: rgba(232, 165, 48, 0.4); color: var(--yellow); }

.project-keywords {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--gray);
    margin-top: 4px;
}

.card-span-3 .project-keywords {
    font-size: 0.74rem;
}

/* --- FILTROS DE CATEGORIA RÁPIDOS --- */
.portfolio-filters-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 42px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.filter-anchor-btn {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--gray);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.filter-anchor-btn:hover {
    color: #fff;
    background: rgba(0, 177, 190, 0.12);
    border-color: var(--primary);
}

.filter-anchor-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #050508;
    font-weight: 700;
}

/* --- RESPONSIVIDADE --- */
@media (max-width: 1200px) {
    .card-span-9, .card-span-8, .card-span-7, .card-span-5 { grid-column: span 12; }
    .card-span-6 { grid-column: span 12; }
    .card-span-4 { grid-column: span 6; }
    .card-span-3 { grid-column: span 6; }
}

@media (max-width: 768px) {
    .bento-projects-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .card-span-12, .card-span-9, .card-span-8, .card-span-7, .card-span-6, .card-span-5, .card-span-4, .card-span-3 {
        grid-column: span 1;
    }
    .category-title {
        font-size: 1.25rem;
    }
    .portfolio-filters-nav {
        gap: 6px;
    }
    .filter-anchor-btn {
        font-size: 0.72rem;
        padding: 6px 12px;
    }
}