/* ============================================
   VittaWear - Estilos Globais
   ============================================ */

/* CSS Reset e Variáveis */
:root {
    /* Cores principais */
    --color-primary: #768857;
    --color-primary-dark: #5d6b44;
    --color-primary-light: #8fa068;
    
    --color-secondary: #C2A878;
    --color-secondary-dark: #a89060;
    --color-secondary-light: #d4be94;
    
    --color-background: #F5F5F0;
    --color-background-alt: #FFFFFF;
    --color-surface: #FFFFFF;
    
    --color-text: #444444;
    --color-text-light: #666666;
    --color-text-muted: #888888;
    
    --color-border: #E0E0E0;
    --color-border-light: #EEEEEE;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Tipografia */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Bordas */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
}

/* ============================================
   Utilitários
   ============================================ */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    background-color: rgba(118, 136, 87, 0.1);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    color: var(--color-text-light);
    font-size: 1.1rem;
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

/* ============================================
   Botões
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--color-secondary-dark);
    border-color: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-ghost {
    background-color: transparent;
    color: var(--color-text);
}

.btn-ghost:hover {
    background-color: var(--color-border-light);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.85rem;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* ============================================
   Navbar
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.logo-img {
    height: 70px;
    width: auto;
    object-fit: contain;
}

.nav-links a {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-primary);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.cart-btn,
.login-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.cart-btn:hover,
.login-btn:hover {
    background-color: var(--color-border-light);
    color: var(--color-primary);
}

.cart-btn {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    background-color: var(--color-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-text {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.mobile-menu-btn:hover {
    background-color: var(--color-border-light);
}

.hamburger {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--color-text);
    position: relative;
    transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-fast);
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    bottom: -6px;
}

.mobile-menu-btn.active .hamburger {
    background-color: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-btn.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background-color: var(--color-text);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin: var(--spacing-md) 0;
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

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

.social-links a:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
}

.footer-links h4 {
    font-size: 1rem;
    color: white;
    margin-bottom: var(--spacing-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

/* ============================================
   Cards de Produto
   ============================================ */

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.product-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
    aspect-ratio: 1;
    background-color: var(--color-background);
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-border-light) 100%);
    color: var(--color-text-muted);
}

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background-color: var(--color-secondary);
    color: white;
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.product-actions {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-normal);
}

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

.product-actions button {
    width: 40px;
    height: 40px;
    background-color: var(--color-surface);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.product-actions button:hover {
    background-color: var(--color-primary);
    color: white;
}

.product-content {
    padding: var(--spacing-lg);
}

.product-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.product-name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.product-price .current {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
}

.product-price .original {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-decoration: line-through;
}

/* ============================================
   Formulários
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-surface);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(118, 136, 87, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23444444' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 16px;
    padding-right: calc(var(--spacing-md) * 2 + 16px);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-error {
    color: #dc3545;
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
}

.form-hint {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
}

/* ============================================
   Alertas e Mensagens
   ============================================ */

.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
}

.alert-success {
    background-color: rgba(118, 136, 87, 0.1);
    color: var(--color-primary-dark);
    border: 1px solid rgba(118, 136, 87, 0.2);
}

.alert-error {
    background-color: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.alert-warning {
    background-color: rgba(194, 168, 120, 0.1);
    color: var(--color-secondary-dark);
    border: 1px solid rgba(194, 168, 120, 0.2);
}

.alert-info {
    background-color: rgba(68, 68, 68, 0.05);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

/* ============================================
   Loading e Estados
   ============================================ */

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-3xl);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Responsivo
   ============================================ */

@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    /* Navbar Mobile */
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-surface);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links a {
        display: block;
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }
    
    .nav-links a:hover {
        background-color: var(--color-border-light);
    }
    
    .nav-links a::after {
        display: none;
    }
    
    .login-text {
        display: none;
    }
    
    /* Grid */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand p {
        max-width: 100%;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
}