/* ============================================
   VJ SEMIJOIAS - Banhadas a Ouro 18k
   Estilo principal - Funciona 100% offline
   ============================================ */

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

:root {
    --gold-primary: #c9a86a;
    --gold-dark: #a67c3d;
    --gold-light: #e0c489;
    --gold-pale: #f3e7d1;
    --rose-gold: #d4a373;
    --rose-light: #e9c5a0;
    --cream: #fbf6ee;
    --white: #ffffff;
    --dark: #1f1815;
    --gray-dark: #3a302a;
    --gray: #7a6e64;
    --gray-light: #d8d0c4;
    --gray-pale: #f5efe6;
    --success: #28a745;
    --error: #dc3545;
    --shadow: 0 4px 20px rgba(166, 124, 61, 0.08);
    --shadow-hover: 0 12px 35px rgba(166, 124, 61, 0.18);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Fontes 100% do sistema (funciona offline em qualquer tablet) */
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-serif: ui-serif, Georgia, 'Times New Roman', Cambria, 'Liberation Serif', serif;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--dark);
    letter-spacing: -0.5px;
}

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

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

input, select, textarea {
    font-family: inherit;
}

/* AVISO OFFLINE - Aparece só se detectar problemas */
.offline-notice {
    background: #fff3cd;
    color: #856404;
    padding: 0.8rem 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    border-bottom: 1px solid #ffeaa7;
    display: none;
}

.offline-notice.show {
    display: block;
}

/* ========== HEADER / NAVBAR ========== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gold-pale);
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-img {
    width: 56px;
    height: 56px;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(166, 124, 61, 0.25));
    transition: var(--transition);
}

.logo:hover .logo-img {
    filter: drop-shadow(0 4px 12px rgba(166, 124, 61, 0.4));
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-vj {
    font-family: var(--font-serif);
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--gold-dark);
    letter-spacing: 3px;
}

.logo-tagline {
    font-size: 0.65rem;
    color: var(--gold-primary);
    letter-spacing: 4px;
    font-weight: 500;
    margin-top: 3px;
}

.nav-menu {
    display: flex;
    gap: 2.2rem;
    list-style: none;
    align-items: center;
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-dark);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--gold-dark);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-primary);
    transition: width 0.3s;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.nav-icon {
    background: none;
    color: var(--gray-dark);
    font-size: 1.3rem;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
}

.nav-icon:hover {
    background: var(--gold-pale);
    color: var(--gold-dark);
    transform: translateY(-2px);
}

.cart-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--gold-dark);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    padding: 8px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(7px, 7px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); }

/* ========== HERO ========== */
.hero {
    min-height: 90vh;
    background: linear-gradient(135deg, var(--cream) 0%, var(--gold-pale) 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--gold-light) 0%, transparent 70%);
    opacity: 0.3;
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--rose-light) 0%, transparent 70%);
    opacity: 0.35;
    border-radius: 50%;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4.2rem);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-content h1 span {
    color: var(--gold-dark);
    font-style: italic;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--gray-dark);
    margin-bottom: 2.5rem;
    max-width: 500px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo {
    width: 100%;
    max-width: 480px;
    filter: drop-shadow(0 30px 50px rgba(166, 124, 61, 0.25));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ========== BUTTONS ========== */
.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(166, 124, 61, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(166, 124, 61, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--gold-dark);
    border: 2px solid var(--gold-primary);
}

.btn-secondary:hover {
    background: var(--gold-primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--dark);
    border: 2px solid var(--dark);
}

.btn-outline:hover {
    background: var(--dark);
    color: var(--white);
}

.btn-danger {
    background: var(--error);
    color: var(--white);
    border-color: var(--error);
}

.btn-danger:hover {
    background: #b91c1c;
    border-color: #b91c1c;
    color: var(--white);
    transform: translateY(-2px);
}

.btn-block { width: 100%; }

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ========== SECTIONS ========== */
.section {
    padding: 5rem 2rem;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    color: var(--gold-dark);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
    position: relative;
    padding: 0 2rem;
}

.section-tag::before,
.section-tag::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background: var(--gold-primary);
}

.section-tag::before { left: -30px; }
.section-tag::after { right: -30px; }

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.section-title span {
    color: var(--gold-dark);
    font-style: italic;
}

.section-subtitle {
    color: var(--gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ========== CATEGORIES ========== */
.categories {
    background: var(--cream);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.category-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
    color: inherit;
    display: block;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--gold-primary);
}

.category-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    display: inline-block;
    transition: var(--transition);
}

.category-card:hover .category-icon {
    transform: scale(1.1) rotate(5deg);
}

.category-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.category-card p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ========== PRODUCTS GRID ========== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--gray-light);
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--gold-primary);
}

.product-image {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, var(--cream), var(--gold-pale));
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 0.75rem;
    background: var(--white);
    transition: transform 0.5s ease;
}

.product-image .placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    opacity: 0.5;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.03);
}

.product-card:hover .product-image .placeholder {
    transform: scale(1.1);
    opacity: 0.7;
}

.product-image a {
    display: block;
    width: 100%;
    height: 100%;
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--gold-dark);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 1;
}

.product-badge.new { background: #28a745; }
.product-badge.sale { background: #dc3545; }
.product-badge.bestseller { background: var(--gold-dark); }

.stock-note {
    border-radius: 999px;
    display: inline-flex;
    font-size: 0.78rem;
    font-weight: 700;
    margin-bottom: 1rem;
    padding: 0.3rem 0.7rem;
}

.stock-note.preorder {
    background: var(--gold-pale);
    color: var(--gold-dark);
}

.stock-note.unavailable {
    background: #ffe8e8;
    color: #dc3545;
}

.stock-note.detail {
    margin: 0.6rem 0 1rem;
}

.product-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-category {
    color: var(--gold-dark);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-title {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
    font-family: var(--font-serif);
}

.product-description {
    color: var(--gray);
    font-size: 0.88rem;
    margin-bottom: 1rem;
    flex: 1;
    line-height: 1.5;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: auto;
    gap: 1rem;
}

.product-price {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--gold-dark);
    line-height: 1;
}

.product-price .old-price {
    font-size: 0.85rem;
    color: var(--gray);
    text-decoration: line-through;
    display: block;
    margin-bottom: 0.2rem;
    font-weight: 400;
}

.product-installment {
    font-size: 0.78rem;
    color: var(--gray);
    margin-top: 0.3rem;
}

.btn-add-cart {
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-dark));
    color: var(--white);
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
}

.btn-add-cart:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(166, 124, 61, 0.3);
}

.btn-add-cart:disabled {
    background: var(--gray-light);
    box-shadow: none;
    color: var(--gray);
    cursor: not-allowed;
    transform: none;
}

/* ========== FEATURES ========== */
.features {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--cream);
    border-radius: 16px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--gold-dark);
    margin-bottom: 1rem;
}

.feature-card h4 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ========== NEWSLETTER ========== */
.newsletter {
    background: linear-gradient(135deg, var(--dark) 0%, var(--gray-dark) 100%);
    color: var(--white);
    text-align: center;
}

.newsletter h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.newsletter h2 span {
    color: var(--gold-light);
    font-style: italic;
}

.newsletter p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.newsletter-form input {
    flex: 1;
    min-width: 200px;
    padding: 1rem 1.5rem;
    border: 2px solid transparent;
    border-radius: 50px;
    font-size: 1rem;
    background: var(--white);
    color: var(--dark);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--gold-primary);
}

/* ========== FOOTER ========== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 4rem 2rem 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-col p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.7rem;
}

.footer-col ul a {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-col ul a:hover {
    color: var(--gold-primary);
    padding-left: 5px;
}

.footer-logo {
    width: 90px;
    height: 90px;
    margin-bottom: 1rem;
    filter: drop-shadow(0 2px 8px rgba(201, 168, 106, 0.3));
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--gold-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* ========== CATALOG PAGE ========== */
.catalog-hero {
    background: linear-gradient(135deg, var(--cream) 0%, var(--gold-pale) 100%);
    padding: 4rem 2rem 2rem;
    text-align: center;
}

.catalog-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.catalog-hero h1 span {
    color: var(--gold-dark);
    font-style: italic;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray);
    margin-top: 1rem;
}

.breadcrumb a { color: var(--gold-dark); }

.filters {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    margin-bottom: 3rem;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.filter-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.2rem;
    background: var(--white);
    color: var(--gray-dark);
    border: 2px solid var(--gray-light);
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gold-primary);
    color: var(--white);
    border-color: var(--gold-primary);
}

.catalog-controls {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex: 1;
    justify-content: flex-end;
    min-width: 280px;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 300px;
}

.search-box input {
    width: 100%;
    padding: 0.7rem 1rem 0.7rem 2.5rem;
    border: 2px solid var(--gray-light);
    border-radius: 30px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--gold-primary);
}

.search-box::before {
    content: '🔍';
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
}

.sort-select {
    min-width: 170px;
    padding: 0.7rem 1rem;
    border: 2px solid var(--gray-light);
    border-radius: 30px;
    background: var(--white);
    color: var(--gray-dark);
    font-size: 0.92rem;
    transition: var(--transition);
}

.sort-select:focus {
    outline: none;
    border-color: var(--gold-primary);
}

.btn-reset-filters {
    padding: 0.7rem 1rem;
    border: 2px solid var(--gold-primary);
    border-radius: 30px;
    color: var(--gold-dark);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-reset-filters:hover {
    background: var(--gold-primary);
    color: var(--white);
}

.catalog-results-bar {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
    margin-bottom: 2rem;
    color: var(--gray);
    flex-wrap: wrap;
}

#products-count {
    color: var(--gray-dark);
    font-weight: 700;
}

#products-page-info {
    background: var(--cream);
    border: 1px solid var(--gold-pale);
    border-radius: 999px;
    color: var(--gold-dark);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.35rem 0.8rem;
}

.catalog-load-more {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.pdf-download-bar {
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-dark));
    color: var(--white);
    padding: 1.5rem 2rem;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.pdf-download-bar p {
    flex: 1;
    min-width: 200px;
    font-size: 1rem;
}

.pdf-download-bar strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.pdf-download-bar .btn {
    background: var(--white);
    color: var(--gold-dark);
}

.pdf-download-bar .btn:hover {
    background: var(--dark);
    color: var(--white);
}

/* ========== PRODUCT DETAIL ========== */
.product-detail {
    padding: 3rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.product-gallery {
    position: sticky;
    top: 100px;
    min-width: 0;
}

.product-gallery.has-thumbnails {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 1rem;
}

.product-detail-image {
    border-radius: 20px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--cream), var(--gold-pale));
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-gallery-thumbnails {
    display: grid;
    grid-template-columns: 1fr;
    align-content: start;
    gap: 0.75rem;
}

.product-gallery-thumb {
    aspect-ratio: 1;
    padding: 0.25rem;
    border: 2px solid var(--gray-light);
    border-radius: 12px;
    background: var(--white);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.product-gallery-thumb:hover,
.product-gallery-thumb.active {
    border-color: var(--gold-primary);
    box-shadow: var(--shadow);
}

.product-gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 1rem;
    background: var(--white);
}

.product-detail-image .placeholder-large {
    font-size: 12rem;
    opacity: 0.4;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
}

.product-detail-info h1 {
    font-size: 2.5rem;
    margin: 0.5rem 0 1rem;
}

.product-detail-info .product-price {
    font-size: 2rem;
    margin: 1.5rem 0;
}

.product-detail-info .product-installment {
    font-size: 1rem;
    margin-top: 0.5rem;
}

.product-detail-info .product-description {
    font-size: 1.05rem;
    line-height: 1.8;
    margin: 1.5rem 0;
}

.product-features {
    background: var(--cream);
    padding: 1.5rem;
    border-radius: 12px;
    margin: 2rem 0;
}

.product-features h4 {
    margin-bottom: 1rem;
    color: var(--gold-dark);
}

.product-features ul {
    list-style: none;
}

.product-features li {
    padding: 0.5rem 0;
    color: var(--gray-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-features li::before {
    content: '✓';
    color: var(--gold-primary);
    font-weight: bold;
    font-size: 1.1rem;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.quantity-selector label {
    font-weight: 600;
    color: var(--gray-dark);
}

.quantity-controls {
    display: flex;
    align-items: center;
    border: 2px solid var(--gray-light);
    border-radius: 30px;
    overflow: hidden;
}

.quantity-controls button {
    width: 40px;
    height: 40px;
    background: var(--white);
    color: var(--gold-dark);
    font-size: 1.2rem;
    font-weight: bold;
    transition: var(--transition);
}

.quantity-controls button:hover {
    background: var(--gold-pale);
}

.quantity-controls input {
    width: 50px;
    height: 40px;
    text-align: center;
    border: none;
    font-size: 1rem;
    font-weight: 600;
}

.quantity-controls input:focus { outline: none; }

/* ========== CART PAGE ========== */
.cart-page {
    padding: 3rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 60vh;
}

.cart-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.cart-items {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 2rem;
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 1.5rem;
    align-items: center;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--gray-light);
}

.cart-item:last-child { border-bottom: none; }

.cart-item-image {
    width: 100px;
    height: 100px;
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--cream), var(--gold-pale));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    flex-shrink: 0;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--white);
}

.cart-item-placeholder,
.order-item-placeholder {
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
}

.cart-item-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.cart-item-info p {
    color: var(--gray);
    font-size: 0.9rem;
}

.cart-item-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.cart-item-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gold-dark);
}

.cart-item-remove {
    background: none;
    color: var(--error);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    transition: var(--transition);
}

.cart-item-remove:hover { background: #fee; }

.cart-summary {
    background: var(--cream);
    border-radius: 16px;
    padding: 2rem;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.cart-summary h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-light);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    color: var(--gray-dark);
}

.summary-row.total {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    padding-top: 1rem;
    border-top: 2px solid var(--gold-primary);
    margin-top: 1rem;
}

.summary-row.total .price { color: var(--gold-dark); }

.coupon-input {
    display: flex;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.coupon-input input {
    flex: 1;
    padding: 0.7rem 1rem;
    border: 2px solid var(--gray-light);
    border-radius: 8px;
    font-size: 0.9rem;
}

.coupon-input input:focus {
    outline: none;
    border-color: var(--gold-primary);
}

.coupon-input button {
    padding: 0.7rem 1.2rem;
    background: var(--dark);
    color: var(--white);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
}

.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.empty-cart-icon { font-size: 5rem; margin-bottom: 1rem; opacity: 0.5; }
.empty-cart h2 { margin-bottom: 1rem; }
.empty-cart p { color: var(--gray); margin-bottom: 2rem; }

/* ========== CHECKOUT ========== */
.checkout-page {
    padding: 3rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 60vh;
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.checkout-form {
    background: var(--white);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.checkout-section {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--gray-light);
}

.checkout-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.checkout-section h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gold-dark);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group { margin-bottom: 1rem; }

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-dark);
}

.form-group label .required { color: var(--error); }

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 2px solid var(--gray-light);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold-primary);
}

.form-group input.error,
.form-group select.error { border-color: var(--error); }

.form-error {
    color: var(--error);
    font-size: 0.85rem;
    margin-top: 0.3rem;
    display: block;
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.payment-method {
    border: 2px solid var(--gray-light);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--white);
}

.payment-method input[type="radio"] { display: none; }

.payment-method:hover { border-color: var(--gold-primary); }

.payment-method.active {
    border-color: var(--gold-primary);
    background: var(--gold-pale);
}

.payment-method-icon {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--gold-dark);
}

.payment-method-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.order-summary {
    background: var(--cream);
    border-radius: 16px;
    padding: 2rem;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.order-items {
    margin-bottom: 1.5rem;
    max-height: 300px;
    overflow-y: auto;
}

.order-item {
    display: grid;
    grid-template-columns: 60px 1fr auto;
    gap: 1rem;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--gray-light);
}

.order-item:last-child { border-bottom: none; }

.order-item-image {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--cream), var(--gold-pale));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    overflow: hidden;
    flex-shrink: 0;
}

.order-item-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--white);
}

.order-item-info h5 {
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
}

.order-item-info p {
    color: var(--gray);
    font-size: 0.8rem;
}

.order-item-price {
    font-weight: 700;
    color: var(--gold-dark);
    font-size: 0.95rem;
}

/* ========== AUTH PAGES ========== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--cream) 0%, var(--gold-pale) 100%);
    padding: 2rem;
}

.auth-container {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
    overflow: hidden;
    max-width: 450px;
    width: 100%;
    padding: 3rem;
}

.auth-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2rem;
    text-align: center;
}

.auth-logo-img {
    width: 100px;
    height: 100px;
    margin-bottom: 0.5rem;
}

.auth-logo-text {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--gold-dark);
    letter-spacing: 3px;
}

.auth-logo-tagline {
    font-size: 0.7rem;
    color: var(--gold-primary);
    letter-spacing: 4px;
    font-weight: 500;
    margin-top: 3px;
}

.auth-container h2 {
    text-align: center;
    margin-bottom: 0.5rem;
    font-size: 1.7rem;
}

.auth-container > p {
    text-align: center;
    color: var(--gray);
    margin-bottom: 2rem;
}

.auth-form .form-group { margin-bottom: 1.2rem; }

.auth-divider {
    text-align: center;
    margin: 1.5rem 0;
    position: relative;
    color: var(--gray);
    font-size: 0.9rem;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gray-light);
    z-index: -1;
}

.auth-divider span {
    background: var(--white);
    padding: 0 1rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--gray);
    font-size: 0.95rem;
}

.auth-footer a {
    color: var(--gold-dark);
    font-weight: 600;
}

.auth-footer a:hover { text-decoration: underline; }

.password-requirements {
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 0.3rem;
    list-style: none;
}

.password-requirements li { margin-bottom: 0.2rem; }
.password-requirements li.valid { color: var(--success); }
.password-requirements li.invalid { color: var(--error); }

/* ========== TOAST ========== */
.toast-container {
    position: fixed;
    top: 100px;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--white);
    border-left: 4px solid var(--success);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-hover);
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 280px;
    animation: slideIn 0.3s ease;
    max-width: 400px;
}

.toast.error { border-left-color: var(--error); }
.toast.info { border-left-color: var(--gold-primary); }

.toast-icon { font-size: 1.5rem; }

.toast-content { flex: 1; }
.toast-content strong { display: block; margin-bottom: 0.2rem; }
.toast-content p { font-size: 0.9rem; color: var(--gray); margin: 0; }

@keyframes slideIn {
    from { transform: translateX(400px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
    to { transform: translateX(400px); opacity: 0; }
}

.toast.removing { animation: slideOut 0.3s ease forwards; }

/* ========== MODAL ========== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.3s;
}

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

.modal {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalIn 0.3s;
}

@keyframes modalIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 1rem; right: 1rem;
    background: none;
    font-size: 1.5rem;
    color: var(--gray);
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--gray-pale);
    color: var(--dark);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content p {
        margin: 0 auto 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
        max-width: 350px;
        margin: 0 auto;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
    
    .cart-grid,
    .checkout-grid {
        grid-template-columns: 1fr;
    }
    
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .product-gallery { position: static; }

    .product-gallery.has-thumbnails {
        grid-template-columns: 1fr;
    }

    .product-gallery-thumbnails {
        grid-template-columns: repeat(auto-fit, minmax(76px, 96px));
        order: 2;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 80%;
        max-width: 320px;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transition: left 0.3s ease;
        box-shadow: var(--shadow);
        align-items: flex-start;
        z-index: 999;
    }
    
    .nav-menu.active { left: 0; }
    .nav-menu a { font-size: 1rem; }
    .hamburger { display: flex; }
    
    .nav-container { padding: 1rem; }
    
    .logo-vj { font-size: 1.4rem; }
    .logo-tagline { font-size: 0.6rem; }
    .logo-img { width: 45px; height: 45px; }
    
    .section { padding: 3rem 1rem; }
    .hero { min-height: auto; }
    .hero-container { padding: 2rem 1rem; }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .filters {
        flex-direction: column;
        align-items: stretch;
    }

    .catalog-controls {
        flex-direction: column;
        align-items: stretch;
        min-width: 0;
    }
    
    .search-box { max-width: 100%; }

    .sort-select,
    .btn-reset-filters {
        width: 100%;
    }
    
    .cart-item {
        grid-template-columns: 80px 1fr;
        gap: 1rem;
    }
    
    .cart-item-image {
        width: 80px;
        height: 80px;
    }
    
    .cart-item-actions {
        grid-column: 1 / -1;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        border-top: 1px solid var(--gray-pale);
        padding-top: 1rem;
    }
    
    .auth-container { padding: 2rem 1.5rem; }
    
    .toast-container {
        right: 1rem;
        left: 1rem;
    }
    
    .toast { min-width: 0; }
    
    .pdf-download-bar {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .products-grid { grid-template-columns: 1fr; }
    .categories-grid { grid-template-columns: 1fr 1fr; }
    .btn { padding: 0.8rem 1.5rem; font-size: 0.85rem; }
}