/* ==========================================================================
   VARIÁVEIS DE TEMA (Design System Premium)
   ========================================================================== */
:root {
    --color-bg-primary: #FDFDFB;    /* Off-white quente */
    --color-bg-secondary: #F4F3EF;  /* Bege muito claro/Nude */
    --color-bg-dark: #121212;       /* Preto/Grafite escuro */
    --color-text-primary: #1A1A1A;  /* Quase preto para alto contraste sutil */
    --color-text-secondary: #5A5A5A;/* Cinza sofisticado */
    --color-accent: #B29161;        /* Dourado pálido/Bege quente */
    --color-border: #E5E4DE;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ==========================================================================
   RESET E BASE
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: 90%;
    max-width: 1300px;
    margin: 0 auto;
}

.section {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--color-bg-secondary);
}

/* ==========================================================================
   TIPOGRAFIA COMUM
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
    color: var(--color-text-primary);
}

.section-tag {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 1rem;
    font-weight: 500;
}

.center {
    text-align: center;
}

/* ==========================================================================
   BOTÕES
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 0.85rem;
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-bg-dark);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--color-accent);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-text-primary);
}

.btn-outline:hover {
    background-color: var(--color-text-primary);
    color: #fff;
}

.btn-outline-light {
    background-color: transparent;
    color: #fff;
    border-color: #fff;
}

.btn-outline-light:hover {
    background-color: #fff;
    color: var(--color-bg-dark);
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--color-text-primary);
    padding-bottom: 2px;
    transition: var(--transition-smooth);
}

.link-arrow::after {
    content: '→';
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.link-arrow:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.link-arrow:hover::after {
    transform: translateX(5px);
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
    padding: 25px 0;
}

.header.scrolled {
    background-color: rgba(253, 253, 251, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo a {
    font-family: var(--font-heading);
    font-size: 2rem;
    letter-spacing: 4px;
    font-weight: 500;
    color: #fff; /* Inicial (sobre foto escuro) */
    transition: color 0.3s;
}

.header.scrolled .logo a,
.header.scrolled .nav-link {
    color: var(--color-bg-dark);
}

.nav-left, .nav-right {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #fff;
    font-weight: 500;
    position: relative;
    transition: color 0.3s;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background-color: #fff;
    transition: var(--transition-smooth);
}

.header.scrolled .mobile-menu-btn span {
    background-color: var(--color-bg-dark);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1490481651871-ab68de25d43d?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    transform: scale(1.05); /* Preparação para animação de scale */
    animation: zoomOut 15s infinite alternate ease-in-out;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.6) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    color: #fff;
    max-width: 800px;
    padding: 0 20px;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: 0.9rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--color-accent);
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    line-height: 1.1;
    margin-bottom: 30px;
}

.hero-text {
    font-size: 1.1rem;
    font-weight: 300;
    margin-bottom: 40px;
    opacity: 0.9;
}

@keyframes zoomOut {
    0% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* ==========================================================================
   SOBRE A MARCA
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.about-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    box-shadow: -20px 20px 0 var(--color-bg-secondary);
}

/* ==========================================================================
   CARROSSEL & PRODUTOS
   ========================================================================== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 50px;
}

.section-header.center {
    flex-direction: column;
    align-items: center;
}

.carousel-controls {
    display: flex;
    gap: 10px;
}

.ctrl-btn {
    width: 45px;
    height: 45px;
    border: 1px solid var(--color-border);
    background: transparent;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ctrl-btn:hover {
    background: var(--color-bg-dark);
    color: #fff;
    border-color: var(--color-bg-dark);
}

.carousel-container {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; /* Firefox */
    padding-bottom: 20px;
}

.carousel-container::-webkit-scrollbar {
    display: none; /* Chrome */
}

.product-card {
    min-width: 300px;
    flex: 0 0 auto;
    scroll-snap-align: start;
    cursor: pointer;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px 30px;
}

.card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 4;
    margin-bottom: 20px;
    background-color: #EBEBE6; /* Fallback de carregamento */
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

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

.badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: #fff;
    color: var(--color-text-primary);
    padding: 5px 12px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    z-index: 2;
}

.badge.dark {
    background-color: var(--color-bg-dark);
    color: #fff;
}

.quick-add {
    position: absolute;
    bottom: -50px;
    left: 0;
    width: 100%;
    background-color: rgba(255,255,255,0.95);
    color: var(--color-text-primary);
    border: none;
    padding: 15px;
    font-family: var(--font-body);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
    font-weight: 500;
    cursor: pointer;
    transition: bottom 0.4s ease, background-color 0.3s;
    z-index: 2;
}

.quick-add:hover {
    background-color: var(--color-bg-dark);
    color: #fff;
}

.product-card:hover .quick-add {
    bottom: 0;
}

.card-info {
    text-align: center;
}

.product-name {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.product-price {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.old-price {
    text-decoration: line-through;
    color: #A0A0A0;
    margin-left: 8px;
    font-size: 0.85rem;
}

/* ==========================================================================
   BLOCO VISUAL / CAMPANHA (Parallax)
   ========================================================================== */
.campaign {
    height: 70vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-image: url('https://images.unsplash.com/photo-1469334031218-e382a71b716b?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Efeito Parallax nativo */
}

.campaign-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
}

.campaign-content {
    position: relative;
    z-index: 2;
    color: #fff;
    max-width: 800px;
}

.campaign-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-style: italic;
    margin-bottom: 20px;
}

.campaign-author {
    font-size: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ==========================================================================
   DIFERENCIAIS
   ========================================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.feature-item {
    padding: 30px;
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-family: var(--font-body);
    font-weight: 500;
}

.feature-text {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* ==========================================================================
   PROVA SOCIAL
   ========================================================================== */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card {
    background: #fff;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    border-top: 3px solid var(--color-accent);
}

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

.review-text {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 20px;
    color: var(--color-text-primary);
}

.review-author {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
}

/* ==========================================================================
   CTA FINAL
   ========================================================================== */
.cta-section {
    position: relative;
    text-align: center;
    color: #fff;
    padding: 120px 0;
    background-color: var(--color-bg-dark);
}

.cta-bg {
    position: absolute;
    inset: 0;
    background-image: url('https://images.unsplash.com/photo-1490481651871-ab68de25d43d?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* ==========================================================================
   RODAPÉ
   ========================================================================== */
.footer {
    background-color: var(--color-bg-primary);
    padding: 80px 0 20px;
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    font-size: 2.5rem;
    letter-spacing: 4px;
    margin-bottom: 20px;
}

.footer-desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    max-width: 250px;
}

.footer-title {
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 25px;
    font-weight: 600;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-links ul li a:hover {
    color: var(--color-accent);
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.8rem;
    transition: var(--transition-smooth);
}

.social-icons a:hover {
    background-color: var(--color-bg-dark);
    color: #fff;
    border-color: var(--color-bg-dark);
}

.newsletter p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 10px;
}

.news-form {
    display: flex;
    border-bottom: 1px solid var(--color-text-primary);
}

.news-form input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 10px 0;
    outline: none;
    font-family: var(--font-body);
}

.news-form button {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0 10px;
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.legal-links {
    display: flex;
    gap: 20px;
}

.legal-links a:hover {
    color: var(--color-text-primary);
}

/* ==========================================================================
   ANIMAÇÕES CSS (Classes utilitárias e estados)
   ========================================================================== */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-fade {
    opacity: 0;
    transition: opacity 1.5s ease;
}

.reveal-slide-right {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Classes que o JS vai adicionar */
.reveal-up.is-visible,
.reveal-slide-right.is-visible {
    opacity: 1;
    transform: translate(0);
}

.reveal-fade.is-visible {
    opacity: 1;
}

/* ==========================================================================
   RESPONSIVIDADE
   ========================================================================== */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-left, .nav-right {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-bottom .container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 60px 0;
    }
}