/* ==========================================================================
   MANTOS ALVINEGROS - PÁGINA "SOBRE O PROJETO" (DESIGN SISTEMA DE REFERÊNCIA)
   ========================================================================== */

/* Garantia de visibilidade e Header Fixo na versão recolhida (52px) */
.about-page .main-header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    z-index: 1000 !important;
    background-color: #ffffff !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
    padding: 0 2vw !important;
    height: 52px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 1rem !important;
}

.about-page .main-header .header-top {
    display: contents !important;
}

.about-page .main-header #site-logo {
    height: 30px !important;
    filter: none !important;
    order: 1 !important;
}

.about-page .main-header .desktop-search-wrapper {
    order: 3 !important;
    display: flex !important;
    align-items: center !important;
    flex: none !important;
    max-width: none !important;
}

.about-page .main-header .search-container {
    flex: none !important;
    width: 34px !important;
    height: 34px !important;
    padding: 0 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    border-radius: 50% !important;
    background-color: var(--color-secondary) !important;
}

.about-page .main-header .search-placeholder,
.about-page .main-header .search-shortcut {
    display: none !important;
}

.about-page .main-header .search-icon {
    margin-right: 0 !important;
    width: 16px !important;
    height: 16px !important;
}

.about-page .main-header .header-bottom {
    display: flex !important;
    background: transparent !important;
    flex: 1 !important;
}

.about-page main {
    padding-top: 52px !important;
}

.about-page .reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* ==========================================================================
   SEÇÃO 1: HERO (Fundo Escuro + Fotografia Histórica de Fundo)
   ========================================================================== */
.ref-hero-section {
    background: #000000;
    color: #ffffff;
    padding: 4.5rem 3rem 4rem;
    position: relative;
    overflow: hidden;
}

.ref-hero-grid {
    max-width: 1350px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 3.5rem;
    align-items: center;
}

.ref-hero-content h1 {
    font-family: var(--font-heading);
    font-size: clamp(3.2rem, 5.5vw, 5.5rem);
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: -0.03em;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.ref-hero-content p {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    font-weight: 300;
    color: #cccccc;
    line-height: 1.35;
    max-width: 520px;
}

.ref-hero-image-wrap {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.ref-hero-image-wrap img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: grayscale(100%) contrast(110%);
}

/* ==========================================================================
   SEÇÕES CLARAS (Fundo Cinza-Gelo #f4f4f4 / #eef0f2 estilo Revista de Gala)
   ========================================================================== */
.light-section {
    background: #ebebeb;
    color: #1a1a1a;
    padding: 5rem 3rem;
    border-bottom: 1px solid #dddddd;
}

.light-container {
    max-width: 1280px;
    margin: 0 auto;
}

/* Sub-bloco 2.1: Mas falar de uma camisa nunca é falar apenas de uma camisa */
.ref-quote-intro-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.ref-quote-title {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.ref-dash {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 300;
    color: #333333;
    line-height: 1;
}

.ref-quote-title h2 {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 3.8vw, 3.25rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: #111111;
}

.ref-quote-text {
    font-size: 1.05rem;
    line-height: 1.75;
    color: #333333;
}

.ref-quote-text p {
    margin-bottom: 1.25rem;
}

.ref-quote-text strong {
    color: #000000;
    font-weight: 700;
}

/* ==========================================================================
   SEÇÃO 3: A PESQUISA POR TRÁS DE CADA UNIFORME (Mural de Arquivos / Vintage)
   ========================================================================== */
.ref-research-grid {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 2rem;
}

.ref-research-sidebar h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.2vw, 2.75rem);
    font-weight: 700;
    line-height: 1.15;
    color: #111111;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.ref-research-sidebar p {
    font-size: 1rem;
    line-height: 1.7;
    color: #444444;
    margin-bottom: 1.25rem;
}

/* Mural 3x2 de Cards de Arquivo Polaroid / Vintage */
.archive-cards-mural {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.archive-card-item {
    background: #ffffff;
    border-radius: 8px;
    padding: 0.85rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid #e0e0e0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.archive-card-item:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.archive-card-thumb {
    width: 100%;
    height: 190px;
    background: #e9e9e9;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.archive-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.archive-card-caption {
    font-size: 0.825rem;
    font-weight: 600;
    color: #555555;
    text-align: center;
    line-height: 1.3;
}

/* ==========================================================================
   SEÇÃO 4: A EVOLUÇÃO DE UMA IDENTIDADE (Linha do Tempo Visual Ilustrada)
   ========================================================================== */
.timeline-identity-section {
    background: #e6e6e6;
    padding: 5rem 3rem;
    border-bottom: 1px solid #d5d5d5;
}

.timeline-identity-header {
    margin-bottom: 3.5rem;
}

.timeline-identity-header h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 2.85rem);
    font-weight: 700;
    color: #111111;
    margin-bottom: 0.5rem;
}

/* Carrossel / Flex da Linha do Tempo com 7 Camisas */
.identity-timeline-track {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1rem;
    position: relative;
    padding-bottom: 2rem;
    border-bottom: 2px solid #cccccc;
    margin-bottom: 2rem;
}

.timeline-jersey-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.timeline-jersey-year {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: #111111;
    margin-bottom: 1rem;
}

.timeline-jersey-figure {
    width: 100%;
    max-width: 120px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.timeline-jersey-column:hover .timeline-jersey-figure {
    transform: translateY(-6px) scale(1.08);
}

.timeline-jersey-figure img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 8px 12px rgba(0, 0, 0, 0.2));
}

.timeline-jersey-tag {
    font-size: 0.775rem;
    font-weight: 600;
    color: #666666;
    line-height: 1.2;
}

.timeline-identity-footer {
    text-align: center;
    font-size: 0.95rem;
    color: #555555;
    font-weight: 500;
}

/* ==========================================================================
   SEÇÃO 5: SITE (Um arquivo vivo.) VS LIVRO (Uma obra editorial.)
   ========================================================================== */
.site-vs-book-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 2.5rem;
}

.product-concept-col {
    display: flex;
    flex-direction: column;
}

.product-concept-tag {
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #666666;
    margin-bottom: 0.35rem;
}

.product-concept-col h3 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    color: #111111;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.product-concept-col p {
    font-size: 0.975rem;
    line-height: 1.65;
    color: #444444;
    margin-bottom: 1.75rem;
}

.product-mockup-frame {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    background: #ffffff;
}

.product-mockup-frame img {
    width: 100%;
    height: auto;
    display: block;
}

.concept-bottom-caption {
    text-align: center;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: #111111;
    margin-top: 2rem;
}

/* ==========================================================================
   SEÇÃO 6: PRESERVAR ANTES QUE SE PERCA (Banner Escuro com Jogador 10)
   ========================================================================== */
.dark-preservation-section {
    background: #0a0a0a;
    color: #ffffff;
    padding: 6rem 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.preservation-grid {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    align-items: center;
}

.preservation-image-frame {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.preservation-image-frame img {
    width: 100%;
    height: auto;
    display: block;
    filter: contrast(110%);
}

.preservation-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 800;
    color: #ffffff;
    line-height: 1.1;
    margin-bottom: 1.75rem;
    letter-spacing: -0.02em;
}

.preservation-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #cccccc;
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   SEÇÃO 7: UMA CAMISA NUNCA É SÓ UMA CAMISA (Encerramento de Impacto)
   ========================================================================== */
.final-manifesto-section {
    background: #000000;
    color: #ffffff;
    padding: 6rem 3rem 5rem;
}

.final-manifesto-grid {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 3rem;
    align-items: center;
}

.final-manifesto-left h2 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4.25rem);
    font-weight: 800;
    line-height: 1.05;
    color: #ffffff;
    letter-spacing: -0.03em;
}

.final-manifesto-center {
    text-align: center;
}

.final-manifesto-center img {
    max-width: 280px;
    height: auto;
    filter: drop-shadow(0 15px 30px rgba(255, 255, 255, 0.1));
}

.final-manifesto-right h3 {
    font-size: 1.35rem;
    color: #ffffff;
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: 2rem;
}

.btn-cta-explore-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: #ffffff;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    padding-bottom: 0.35rem;
    border-bottom: 2px solid #ffffff;
    transition: all 0.3s ease;
}

.btn-cta-explore-link:hover {
    color: #ffd700;
    border-color: #ffd700;
    transform: translateX(6px);
}

/* Rodapé Elegante de Gala */
.ref-footer {
    background: #000000;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 3rem;
    color: #777777;
    font-size: 0.85rem;
}

.ref-footer-content {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.ref-footer-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.ref-footer-links a {
    color: #888888;
    text-decoration: none;
    transition: color 0.2s ease;
}

.ref-footer-links a:hover {
    color: #ffffff;
}

/* Responsividade Mobile */
@media (max-width: 992px) {
    .ref-hero-grid,
    .ref-quote-intro-grid,
    .ref-research-grid,
    .site-vs-book-grid,
    .preservation-grid,
    .final-manifesto-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .archive-cards-mural {
        grid-template-columns: repeat(2, 1fr);
    }

    .identity-timeline-track {
        grid-template-columns: repeat(4, 1fr);
        overflow-x: auto;
    }

    .ref-hero-section,
    .light-section,
    .timeline-identity-section,
    .dark-preservation-section,
    .final-manifesto-section {
        padding: 3.5rem 1.5rem;
    }
}

@media (max-width: 576px) {
    .archive-cards-mural {
        grid-template-columns: 1fr;
    }

    .identity-timeline-track {
        grid-template-columns: repeat(2, 1fr);
    }
}