/* ============================================
   FIT PISCINAS - DESIGN SYSTEM PROFISSIONAL
   Cores: Azul, Branco, Preto, Vermelho
   ============================================ */

/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    position: relative;
}

/* Prevenir overflow horizontal em todos os elementos */
*,
*::before,
*::after {
    max-width: 100%;
}

/* Exceção apenas para elementos que precisam de scroll interno */
.table-container,
[class*="scroll"],
[class*="overflow-x"] {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

:root {
    /* Cores Principais */
    --primary: #0066cc;
    --primary-dark: #004499;
    --primary-light: #3385d6;
    --primary-hover: #0052a3;
    
    /* Cores Neutras */
    --white: #ffffff;
    --black: #000000;
    --black-soft: #1a1a1a;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    /* Cores de Promoção */
    --promo: #dc2626;
    --promo-dark: #b91c1c;
    --promo-light: #ef4444;
    --promo-bg: #fee2e2;
    
    /* Cores de Status */
    --success: #10b981;
    --error: #dc2626;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    /* Tipografia */
    --font-primary: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 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;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Bordas */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transições */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

body {
    font-family: var(--font-primary);
    color: var(--black-soft);
    line-height: 1.6;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
    position: relative;
}

main {
    min-height: 60vh;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

/* Garantir que todos os elementos sejam responsivos */
* {
    box-sizing: border-box;
}

*,
*::before,
*::after {
    max-width: 100%;
}

img, video, iframe, embed, object {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Prevenir overflow horizontal */
table {
    width: 100%;
    max-width: 100%;
    table-layout: auto;
}

/* Textos longos */
p, span, div, h1, h2, h3, h4, h5, h6, a, li {
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

/* ============================================
   HEADER PREMIUM
   ============================================ */
.header {
    background: var(--white);
    box-shadow: var(--shadow-md);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    gap: var(--spacing-md);
    position: relative;
    flex-wrap: wrap;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

.logo h1 {
    color: var(--primary);
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.logo h1 a {
    text-decoration: none;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: color var(--transition-base);
}

.logo h1 a:hover {
    color: var(--primary-dark);
    transform: scale(1.02);
}

/* Menu Toggle (Mobile) */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: 1001;
    position: relative;
    width: 30px;
    height: 30px;
    justify-content: center;
    align-items: center;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    flex: 1;
    justify-content: center;
    margin: 0 var(--spacing-md);
}

.nav a {
    color: var(--black-soft);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--spacing-sm) var(--spacing-md);
    position: relative;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    border-radius: var(--radius-md);
    white-space: nowrap;
}

.nav a .nav-icon {
    font-size: 1.1rem;
    transition: transform var(--transition-base);
}

.nav a:hover .nav-icon {
    transform: scale(1.2);
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
    border-radius: 2px;
}

.nav a:hover,
.nav a.active {
    color: var(--primary);
    background: rgba(0, 102, 204, 0.05);
}

.nav a:hover::after,
.nav a.active::after {
    width: 80%;
}

.header-actions {
    display: flex;
    gap: 0;
    align-items: stretch;
    flex-wrap: nowrap;
    flex-shrink: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn-orcamento {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    white-space: nowrap;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 0.875rem 1.5rem;
    font-weight: 700;
    box-shadow: none;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-orcamento::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-orcamento:hover::before {
    left: 100%;
}

.btn-orcamento .btn-icon {
    font-size: 1.2rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.btn-orcamento .btn-text {
    display: inline;
    font-size: 1rem;
    letter-spacing: 0.5px;
}


.header-actions-group {
    display: flex;
    gap: 0;
    align-items: stretch;
    flex-shrink: 0;
    background: var(--white);
    border-left: 1px solid var(--gray-200);
}

.btn-access {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
    border-radius: 0;
    background: var(--white);
    color: var(--black-soft);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 500;
    transition: all var(--transition-base);
    border: none;
    border-right: 1px solid var(--gray-200);
    white-space: nowrap;
    flex-shrink: 0;
    height: 100%;
}

.btn-access:last-child {
    border-right: none;
    border-top-right-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
}

.btn-access-icon {
    font-size: 1.1rem;
    line-height: 1;
}

.btn-access-text {
    font-size: 0.8125rem;
    white-space: nowrap;
}

.btn-access:hover {
    background: var(--gray-50);
    color: var(--primary);
    transform: none;
    box-shadow: none;
}

.btn-access:hover .btn-access-icon {
    transform: scale(1.1);
}

.btn-access:hover .btn-access-icon,
.btn-access:hover .btn-access-text {
    color: var(--primary);
}

/* Botão apenas com ícone (mantido para compatibilidade) */
.btn-icon-only {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--gray-100);
    color: var(--black-soft);
    text-decoration: none;
    font-size: 1.2rem;
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

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

/* Dropdown Área Restrita */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    cursor: pointer;
    user-select: none;
}

.nav-arrow {
    font-size: 0.7rem;
    margin-left: var(--spacing-xs);
    transition: transform var(--transition-base);
}

.nav-dropdown.active .nav-arrow {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 280px;
    z-index: 1001;
    border: 1px solid var(--gray-200);
    padding: var(--spacing-sm);
    display: none;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    transform: translateX(-50%) translateY(-10px);
}

.nav-dropdown.active .nav-dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--black-soft);
    transition: all var(--transition-base);
    margin-bottom: var(--spacing-xs);
}

.nav-dropdown-item:last-child {
    margin-bottom: 0;
}

.nav-dropdown-item:hover {
    background: var(--gray-50);
    transform: translateX(4px);
}

.dropdown-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.nav-dropdown-item:hover .dropdown-icon {
    background: var(--primary);
    transform: scale(1.1);
}

.nav-dropdown-item div {
    flex: 1;
}

.nav-dropdown-item strong {
    display: block;
    font-size: 0.95rem;
    color: var(--black-soft);
    margin-bottom: 0.25rem;
}

.nav-dropdown-item small {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-600);
}

.nav-dropdown-item:hover strong {
    color: var(--primary);
}

/* Mobile: Dropdown como lista normal */
@media (max-width: 968px) {
    .nav-dropdown {
        width: 100%;
    }
    
    .nav-dropdown-toggle {
        width: 100%;
        justify-content: flex-start;
    }
    
    .nav-dropdown-menu {
        position: static;
        transform: none;
        margin-top: var(--spacing-xs);
        margin-left: var(--spacing-lg);
        box-shadow: none;
        border: none;
        padding: 0;
        opacity: 1;
        visibility: visible;
        display: none;
    }
    
    .nav-dropdown.active .nav-dropdown-menu {
        display: block;
    }
    
    .nav-dropdown-item {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* Responsive Menu */
@media (max-width: 968px) {
    .menu-toggle {
        display: flex !important;
        order: 2;
    }
    
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease-in-out;
        z-index: 1000;
        gap: var(--spacing-sm);
        align-items: stretch;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .nav.active {
        transform: translateY(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .nav a {
        padding: var(--spacing-md);
        justify-content: flex-start;
        border-radius: var(--radius-md);
    }
    
    .nav a::after {
        display: none;
    }
    
    .header .container {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .nav {
        order: 3;
        width: 100%;
        margin: 0;
    }
    
    .header-actions {
        gap: 0;
        flex-wrap: nowrap;
        order: 2;
        border-radius: var(--radius-md);
    }
    
    .btn-orcamento {
        border-radius: var(--radius-md) 0 0 var(--radius-md);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .btn-orcamento .btn-text {
        display: none;
    }
    
    .header-actions-group {
        gap: 0;
        border-left: 1px solid var(--gray-200);
    }
    
    .btn-access {
        padding: var(--spacing-sm);
        font-size: 0.75rem;
        min-width: auto;
        border-right: 1px solid var(--gray-200);
    }
    
    .btn-access:last-child {
        border-radius: 0 var(--radius-md) var(--radius-md) 0;
        border-right: none;
    }
    
    .btn-access-text {
        display: none;
    }
    
    .btn-access-icon {
        font-size: 1rem;
    }
}

@media (max-width: 640px) {
    .header .container {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .header-actions-group {
        gap: 0.25rem;
    }
    
    .btn-icon-only {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
}

/* ============================================
   BOTÕES PREMIUM
   ============================================ */
.btn-primary {
    background: var(--primary);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    letter-spacing: 0.3px;
}

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

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--white);
    color: var(--black-soft);
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    letter-spacing: 0.3px;
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-admin {
    padding: 0.625rem 1.25rem;
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-base);
}

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

.btn-cliente {
    padding: 0.625rem 1.25rem;
    background: var(--info);
    color: var(--white);
    border: 2px solid var(--info);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-base);
}

.btn-cliente:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--white);
}

.btn-vendedor {
    padding: 0.625rem 1.25rem;
    background: var(--success);
    color: var(--white);
    border: 2px solid var(--success);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-vendedor:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--white);
}

/* ============================================
   BANNER / HERO SECTION
   ============================================ */
.banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.banner .container {
    position: relative;
    z-index: 1;
}

.banner h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -1px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.banner p {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-2xl);
}

/* ============================================
   SEÇÕES
   ============================================ */
.section {
    padding: var(--spacing-3xl) 0;
}

.section.bg-light {
    background: var(--gray-50);
}

.section-title {
    text-align: center;
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--black-soft);
    letter-spacing: -0.5px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-3xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* ============================================
   CARDS E GRID
   ============================================ */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

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

.card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-body h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--black-soft);
}

.card-body p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.price {
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.main-price {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
}

.old-price {
    font-size: 1.25rem;
    color: var(--gray-500);
    text-decoration: line-through;
}

.promo-price {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--promo);
}

.promo-badge {
    display: inline-block;
    background: var(--promo);
    color: var(--white);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
}

.card-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

/* ============================================
   FEATURES / DIFERENCIAIS
   ============================================ */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.feature-box {
    background: var(--white);
    padding: var(--spacing-2xl) var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

.feature-box:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    display: block;
}

.feature-box h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--black-soft);
}

.feature-box p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ============================================
   FOOTER PREMIUM
   ============================================ */
.footer {
    background: var(--black-soft);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-section p {
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

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

.social-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-size: 0.9rem;
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-base);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--white);
    padding-left: var(--spacing-sm);
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.footer-contact li:hover {
    background: rgba(255, 255, 255, 0.1);
}

.footer-hours p {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-400);
}

.footer-hours p strong {
    color: var(--white);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.payment-methods {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.payment-methods span {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-copyright {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.footer-dev {
    margin-top: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--gray-500);
}

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

.footer-legal a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-base);
}

.footer-legal a:hover {
    color: var(--white);
}

/* ============================================
   UTILITÁRIOS
   ============================================ */
.text-center {
    text-align: center;
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVIDADE COMPLETA
   ============================================ */

/* Tablet e Desktop Médio (até 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .features {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

/* Tablet (até 768px) */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Header */
    .header .container {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .logo {
        order: 1;
        flex-shrink: 0;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .header-actions {
        order: 2;
        width: auto;
        flex-shrink: 0;
    }
    
    .menu-toggle {
        display: flex !important;
        order: 2;
    }
    
    .nav {
        order: 3;
        width: 100%;
        margin: 0;
    }
    
    /* Banner/Hero */
    .banner {
        padding: 4rem 0;
    }
    
    .banner h1 {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .banner p {
        font-size: 1.25rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-md);
    }
    
    .hero-actions a {
        width: 100%;
    }
    
    /* Seções */
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    /* Grid e Cards */
    .grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .card img {
        height: 200px;
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    .card-body h3 {
        font-size: 1.25rem;
    }
    
    .card-actions {
        flex-direction: column;
    }
    
    .card-actions a {
        width: 100%;
        text-align: center;
    }
    
    /* Features */
    .features {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .feature-box {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .feature-icon {
        font-size: 3rem;
    }
    
    .feature-box h3 {
        font-size: 1.25rem;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .footer-legal {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    /* Preços */
    .main-price,
    .promo-price {
        font-size: 1.5rem;
    }
    
    .old-price {
        font-size: 1.1rem;
    }
    
    /* Botões */
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

/* Mobile (até 480px) */
@media (max-width: 480px) {
    html {
        font-size: 14px;
        overflow-x: hidden !important;
    }
    
    body {
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .container {
        padding: 0 var(--spacing-md);
        width: 100% !important;
        max-width: 100% !important;
        overflow-x: hidden !important;
    }
    
    /* Forçar todos os elementos a não ultrapassar a largura */
    * {
        max-width: 100% !important;
    }
    
    /* Exceções para elementos que precisam de scroll interno */
    .table-container,
    [class*="scroll"],
    [class*="overflow"] {
        max-width: 100% !important;
        overflow-x: auto !important;
    }
    
    /* Header Mobile */
    .header .container {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .logo h1 {
        font-size: 1.25rem;
    }
    
    .header-actions-group {
        gap: 0.25rem;
    }
    
    .btn-icon-only {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }
    
    /* Banner Mobile */
    .banner {
        padding: 3rem 0;
    }
    
    .banner h1 {
        font-size: 2rem;
        margin-bottom: var(--spacing-md);
    }
    
    .banner p {
        font-size: 1.1rem;
        margin-bottom: var(--spacing-xl);
    }
    
    /* Seções Mobile */
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-title {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-xl);
    }
    
    /* Cards Mobile */
    .card {
        border-radius: var(--radius-lg);
    }
    
    .card img {
        height: 180px;
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    .card-body h3 {
        font-size: 1.1rem;
    }
    
    .card-body p {
        font-size: 0.9rem;
    }
    
    /* Features Mobile */
    .feature-box {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .feature-icon {
        font-size: 2.5rem;
        margin-bottom: var(--spacing-md);
    }
    
    .feature-box h3 {
        font-size: 1.1rem;
    }
    
    .feature-box p {
        font-size: 0.9rem;
    }
    
    /* Preços Mobile */
    .main-price,
    .promo-price {
        font-size: 1.25rem;
    }
    
    .old-price {
        font-size: 1rem;
    }
    
    .promo-badge {
        font-size: 0.65rem;
        padding: 0.25rem 0.625rem;
    }
    
    /* Footer Mobile */
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }
    
    .footer-section h3 {
        font-size: 1.1rem;
    }
    
    .footer-section p,
    .footer-links a {
        font-size: 0.875rem;
    }
    
    .social-link {
        font-size: 0.8rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .footer-copyright,
    .footer-dev {
        font-size: 0.8rem;
    }
    
    /* Botões Mobile */
    .btn-primary,
    .btn-secondary {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    /* Textos Mobile */
    .text-center {
        text-align: center;
    }
    
    /* Imagens responsivas */
    img {
        max-width: 100%;
        height: auto;
    }
    
    /* Tabelas responsivas */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Formulários Mobile */
    .form {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .form-group {
        margin-bottom: var(--spacing-md);
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px; /* Evita zoom no iOS */
    }
}

/* Mobile Pequeno (até 360px) */
@media (max-width: 360px) {
    html {
        font-size: 13px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .banner h1 {
        font-size: 1.75rem;
    }
    
    .banner p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .card-body h3 {
        font-size: 1rem;
    }
    
    .main-price,
    .promo-price {
        font-size: 1.1rem;
    }
}

/* Desktop Grande (acima de 1440px) */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }
    
    .grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    }
}

/* Orientação Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .banner {
        padding: 3rem 0;
    }
    
    .banner h1 {
        font-size: 2rem;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .header {
        position: relative;
    }
}

/* Garantir responsividade em todos os elementos */
@media (max-width: 768px) {
    html, body {
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100vw !important;
    }
    
    /* Prevenir overflow horizontal */
    * {
        max-width: 100%;
    }
    
    /* Textos responsivos */
    h1, h2, h3, h4, h5, h6 {
        word-wrap: break-word;
        overflow-wrap: break-word;
        max-width: 100%;
    }
    
    /* Links e botões */
    a, button {
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
        max-width: 100%;
    }
    
    /* Inputs responsivos */
    input, textarea, select {
        font-size: 16px !important; /* Evita zoom no iOS */
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    
    /* Cards e containers */
    .card,
    .feature-box,
    .calculadora-card,
    .section,
    main,
    header,
    footer {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: var(--spacing-md) !important;
        padding-right: var(--spacing-md) !important;
        box-sizing: border-box !important;
    }
    
    /* Grid sempre em coluna única no mobile */
    .grid,
    .features {
        grid-template-columns: 1fr !important;
        width: 100% !important;
        max-width: 100% !important;
        gap: var(--spacing-md) !important;
    }
    
    /* Header específico */
    .header {
        width: 100% !important;
        max-width: 100% !important;
        left: 0 !important;
        right: 0 !important;
    }
    
    .header .container {
        width: 100% !important;
        max-width: 100% !important;
        padding-left: var(--spacing-sm) !important;
        padding-right: var(--spacing-sm) !important;
    }
    
    /* Footer mobile */
    .footer {
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .footer-section {
        margin-bottom: var(--spacing-xl);
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .footer-social {
        justify-content: center;
        flex-wrap: wrap;
        width: 100%;
    }
    
    .social-link {
        flex: 1;
        min-width: 120px;
        max-width: calc(50% - var(--spacing-sm));
        justify-content: center;
    }
    
    .payment-methods {
        justify-content: center;
        flex-wrap: wrap;
        width: 100%;
    }
    
    .payment-methods span {
        font-size: 0.8rem;
        padding: var(--spacing-xs) var(--spacing-sm);
        max-width: 100%;
    }
    
    /* Banner/Hero */
    .banner {
        width: 100% !important;
        max-width: 100% !important;
        padding-left: var(--spacing-md) !important;
        padding-right: var(--spacing-md) !important;
    }
    
    /* Seções */
    .section {
        width: 100% !important;
        max-width: 100% !important;
        padding-left: var(--spacing-md) !important;
        padding-right: var(--spacing-md) !important;
    }
}

/* Impressão */
@media print {
    .header,
    .footer,
    .hero-actions,
    .card-actions,
    .menu-toggle {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
}

/* Acessibilidade e Touch */
@media (hover: none) and (pointer: coarse) {
    /* Dispositivos touch */
    .btn-primary,
    .btn-secondary,
    .card,
    .feature-box {
        min-height: 44px; /* Tamanho mínimo recomendado para touch */
    }
    
    a, button {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
}

/* Alto contraste */
@media (prefers-contrast: high) {
    .card,
    .feature-box {
        border: 2px solid var(--black-soft);
    }
}

/* Modo escuro (se implementado no futuro) */
@media (prefers-color-scheme: dark) {
    /* Preparado para modo escuro futuro */
}