/* ==========================================
   LA PERSONA - DESIGN SYSTEM PREMIUM
   Estética Fashion / Editorial (Coleção Inverno)
========================================== */

:root {
    /* Paleta Premium Monocromática */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f9f9f9;
    --color-text-main: #111111;
    --color-text-muted: #666666;
    --color-text-light: #999999;
    
    /* Acentos Elegantes */
    --color-accent-gold: #b8965a;
    --color-black: #000000;
    --color-white: #ffffff;
    --color-border: #eeeeee;

    /* Tipografia Editorial */
    --font-sans: 'Montserrat', sans-serif;
    --font-serif: 'Playfair Display', serif;
    --font-signature: 'Great Vibes', cursive;

    /* Espaçamento & Geometria */
    --radius-sharp: 0px;
    --transition-smooth: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --shadow-float: 0 10px 40px rgba(0, 0, 0, 0.05);
}

/* SISTEMA SEGURO ANTI-CARREGAMENTO PROGRESSIVO */
.fade-img {
    opacity: 0;
    transition: opacity .3s ease;
    transform: translateZ(0); /* GPU Acceleration */
    will-change: opacity;
}

.fade-img.loaded {
    opacity: 1;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg-primary);
    color: var(--color-text-main);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================
   01. HEADER PREMIUM COMPACTO
========================================== */

.main-header {
    background: var(--color-white);
    text-align: center;
    padding: 8px 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

.header-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.logo-title {
    font-family: var(--font-serif);
    font-size: 1.65rem;
    color: var(--color-black);
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 600;
    line-height: 1;
}

.logo-subtitle {
    font-family: var(--font-sans); /* Alterado de cursive para sans editorial */
    font-size: 0.75rem; /* Menor para visual luxury fashion */
    color: var(--color-black);
    margin-top: 5px;
    font-weight: 500;
    text-transform: uppercase; /* Caixa alta conforme solicitado */
    letter-spacing: 5px; /* Espaçamento refinado */
}

/* ==========================================
   02. HERO SLIDER (ESTADO INICIAL INVISÍVEL)
========================================== */

.hero-slider {
    position: relative;
    height: 90vh;
    width: 100%;
    overflow: hidden;
    background-color: var(--color-black);
    opacity: 0; /* Começa invisível para o sistema de carregamento seguro */
    transition: opacity 0.8s ease-in-out;
}

.hero-slider.loaded {
    opacity: 1; /* Torna-se visível apenas quando a imagem está pronta */
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.8s ease-in-out;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 0;
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom, 
        rgba(0,0,0,0.1) 0%, 
        rgba(0,0,0,0.4) 50%, 
        rgba(0,0,0,0.6) 100%
    );
}

.slide-content {
    position: relative;
    z-index: 2;
    padding: 0 20px;
    transform: translateY(15px);
    transition: transform 1.5s ease-out;
}

.slide.active .slide-content {
    transform: translateY(0);
}

.slide-title {
    font-family: var(--font-serif);
    font-size: 3.2rem;
    color: var(--color-white);
    letter-spacing: 8px;
    font-weight: 400;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.slide-text {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 4px;
    text-transform: uppercase;
    font-weight: 300;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.dot.active {
    background: var(--color-white);
    transform: scale(1.3);
}

/* ==========================================
   03. FILTROS DA VITRINE
========================================== */

.collection {
    padding: 60px 20px 100px;
    max-width: 1400px;
    margin: 0 auto;
}

.filter-container {
    text-align: center;
    margin-bottom: 50px;
}

.filter-btn {
    background: transparent;
    border: none;
    position: relative;
    color: var(--color-text-muted);
    padding: 8px 15px;
    cursor: pointer;
    margin: 5px 15px;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    transition: var(--transition-smooth);
}

.filter-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--color-black);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}

.filter-btn:hover {
    color: var(--color-black);
}

.filter-btn:hover::after, .filter-btn.active::after {
    width: 100%;
}

.filter-btn.active {
    color: var(--color-black);
    font-weight: 500;
}

/* ==========================================
   04. VITRINE GRID
========================================== */

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 70px 40px;
}

.section-highlight {
    grid-column: 1 / -1;
    text-align: center;
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-black);
    margin: 30px 0 10px;
    letter-spacing: 2px;
}

/* ==========================================
   05. CARDS DE PRODUTO
========================================== */

.product-card {
    background: transparent;
    padding: 0;
    text-align: left;
    border: none;
    cursor: pointer;
    position: relative;
    transition: var(--transition-smooth);
}

.product-card:hover {
    transform: none; 
}

.image-wrapper {
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    margin-bottom: 20px;
    background: var(--color-bg-secondary);
    position: relative;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.product-card:hover .image-wrapper img {
    transform: scale(1.08);
}

.product-card.highlight { border: none; }
.product-card.highlight::before {
    content: "CURADORIA";
    position: absolute;
    top: 0;
    left: 0;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 0.55rem;
    font-weight: 500;
    padding: 0;
    letter-spacing: 3px;
    z-index: 10;
    margin-top: -20px;
}

.launch-badge {
    position: absolute;
    bottom: 0; 
    left: 0;
    z-index: 10;
    background: var(--color-black);
    color: var(--color-white);
    padding: 8px 15px;
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ==========================================
   06. TIPOGRAFIA DO PRODUTO
========================================== */

.product-info { padding: 0; }

.p-name {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
}

.p-price {
    font-family: var(--font-sans);
    color: var(--color-black);
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 12px;
}

.buy-badge-link {
    display: inline-block;
    border: none;
    padding: 0;
    text-transform: uppercase;
    color: var(--color-text-light);
    font-size: 0.6rem;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
    transition: var(--transition-smooth);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: transparent;
}

.product-card:hover .buy-badge-link {
    color: var(--color-black);
    text-decoration-color: var(--color-border);
}

.quick-buy-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--color-black);
    border: 1px solid var(--color-black);
    padding: 12px;
    text-decoration: none;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: var(--radius-sharp);
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateY(5px);
}

.product-card:hover .quick-buy-btn {
    opacity: 1;
    transform: translateY(0);
}

.quick-buy-btn:hover {
    background: var(--color-black);
    color: var(--color-white);
}

/* ==========================================
   07. PÁGINA DE PRODUTO SPA
========================================== */

#product-page {
    background: var(--color-bg-primary);
    min-height: 100vh;
    padding-bottom: 80px;
    position: relative;
    z-index: 5000;
}

.p-nav {
    padding: 30px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.p-back-btn {
    background: none;
    border: none;
    font-family: var(--font-sans);
    font-weight: 500;
    cursor: pointer;
    color: var(--color-text-main);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.p-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    padding: 0 20px;
}

.p-main-img-box {
    background: var(--color-bg-secondary);
    aspect-ratio: 3/4;
    overflow: hidden;
}

.p-main-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.p-thumbs {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.p-thumb-img {
    width: 80px;
    height: 100px;
    object-fit: cover;
    cursor: pointer;
    opacity: 0.6;
    border: none;
    transition: var(--transition-smooth);
}

.p-thumb-img:hover { opacity: 0.8; }
.p-thumb-img.active { opacity: 1; border-bottom: 2px solid var(--color-black); }

.p-info { padding-top: 20px; }

.p-badge-premium {
    color: var(--color-text-muted);
    font-size: 0.7rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 15px;
    display: block;
}

.p-title-premium {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--color-black);
    font-weight: 400;
    margin-bottom: 20px;
}

.p-current-price {
    font-size: 1.8rem;
    color: var(--color-black);
    font-weight: 500;
}

.p-pix-price {
    color: var(--color-text-muted);
    font-weight: 400;
    font-size: 0.9rem;
    margin-bottom: 40px;
    margin-top: 5px;
}

.p-color-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-black);
    letter-spacing: 1px;
    margin-bottom: 15px;
    font-weight: 500;
}

.p-colors {
    display: flex;
    gap: 12px;
    margin-bottom: 45px;
    flex-wrap: wrap;
}

.p-color-btn {
    padding: 12px 25px;
    border: 1px solid var(--color-border);
    background: transparent;
    cursor: pointer;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    transition: var(--transition-smooth);
}

.p-color-btn:hover, .p-color-btn.active {
    border-color: var(--color-black);
    color: var(--color-black);
}

.p-buy-btn-whatsapp {
    display: block;
    background: var(--color-black);
    color: var(--color-white);
    text-align: center;
    padding: 18px;
    text-decoration: none;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    margin-bottom: 40px;
    transition: var(--transition-smooth);
}

.p-buy-btn-whatsapp:hover { background: #333; }

.p-benefits h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    font-weight: 600;
}

.p-benefits ul {
    list-style: none;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
    font-weight: 300;
}

/* ==========================================
   08. TESTEMUNHOS & INFO
========================================== */

.testimonials {
    padding: 100px 20px;
    background: var(--color-bg-secondary);
    overflow: hidden;
}

.section-header { text-align: center; margin-bottom: 60px; }

.section-badge {
    display: inline-block;
    padding: 0 0 5px 0;
    border-bottom: 1px solid var(--color-black);
    color: var(--color-black);
    font-size: 0.75rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--color-black);
    margin-bottom: 15px;
    font-weight: 400;
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1rem;
    font-weight: 300;
}

.testimonial-slider { overflow: hidden; position: relative; }

.testimonial-track {
    display: flex;
    gap: 30px;
    width: max-content;
    animation: slideTestimonials 40s linear infinite;
}

.testimonial-card {
    min-width: 350px;
    max-width: 350px;
    background: var(--color-white);
    padding: 40px;
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.stars { color: var(--color-accent-gold); font-size: 1.2rem; margin-bottom: 20px; }

.testimonial-card p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text-main);
    margin-bottom: 25px;
    font-weight: 300;
}

.testimonial-card h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.testimonial-card span {
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

@keyframes slideTestimonials {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.visit {
    background: var(--color-white);
    padding: 80px 20px;
    text-align: center;
}

.visit h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 30px;
}

.location-link {
    display: inline-block;
    color: var(--color-text-main);
    text-decoration: none;
    font-size: 1rem;
    line-height: 2;
    margin: 20px 0;
    transition: var(--transition-smooth);
    font-weight: 300;
}

.maps-button {
    display: inline-block;
    margin-top: 30px;
    padding: 15px 40px;
    border: 1px solid var(--color-black);
    color: var(--color-black);
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 2px;
    transition: var(--transition-smooth);
}

.maps-button:hover {
    background: var(--color-black);
    color: var(--color-white);
}

.footer {
    padding: 60px 20px;
    text-align: center;
    font-size: 0.75rem;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    background: var(--color-bg-secondary);
    text-transform: uppercase;
}

/* ==========================================
   09. ELEMENTOS FLUTUANTES
========================================== */

.whatsapp-float-original {
    position: fixed;
    bottom: 30px;
    right: 25px;
    background: #25d366;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    box-shadow: var(--shadow-float);
    transition: var(--transition-smooth);
}

.whatsapp-float-original:hover { transform: scale(1.05); }
.whatsapp-float-original img { width: 30px; height: 30px; }

.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 25px;
    width: 45px;
    height: 45px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    background: var(--color-white);
    color: var(--color-black);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-float);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover { background: var(--color-bg-secondary); }

/* ==========================================
   10. RESPONSIVIDADE PREMIUM (MOBILE)
========================================== */

@media (max-width: 992px) {
    .grid { grid-template-columns: repeat(2, 1fr); gap: 50px 30px; }
}

@media (max-width: 768px) {
    .main-header { padding: 6px 10px; }
    .logo-title { font-size: 1.25rem; letter-spacing: 2px; }
    .logo-subtitle { font-size: 0.65rem; margin-top: 3px; letter-spacing: 3px; }
    
    .hero-slider { height: 65vh; }
    .slide-title { font-size: 1.8rem; letter-spacing: 4px; margin-bottom: 8px; }
    .slide-text { font-size: 0.7rem; letter-spacing: 2px; margin-bottom: 20px; }

    .grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 35px 15px;
        padding: 0 10px;
    }
    
    .collection { padding: 30px 0; }
    .filter-container { margin-bottom: 40px; }
    
    .image-wrapper { aspect-ratio: 3/4; margin-bottom: 12px; }
    
    .p-name { font-size: 0.65rem; letter-spacing: 1px; }
    .p-price { font-size: 0.9rem; margin-bottom: 10px; }
    
    .quick-buy-btn {
        opacity: 1;
        transform: none;
        padding: 10px;
        font-size: 0.55rem;
    }
    
    .product-card.highlight::before {
        font-size: 0.45rem;
        letter-spacing: 2px;
        margin-top: -15px;
    }
    
    .p-container { grid-template-columns: 1fr; gap: 30px; padding: 0 10px; }
    .p-title-premium { font-size: 2rem; }
    .p-current-price { font-size: 1.5rem; }
    
    .testimonial-card { min-width: 280px; max-width: 280px; padding: 30px 20px; }
}