/* Estilos Globais */
:root {
    /* Azuis Industriais */
    --primary: #2C3E50;
    --primary-light: #34495E;
    --primary-accent: #3498DB;
    --primary-bright: #5DADE2;
    
    /* Cinza Metálico Polido */
    --accent: #8E9AAF;
    --accent-light: #A8B2C8;
    --accent-dark: #6C7B95;
    --accent-soft: #D1D9E6;
    
    /* Pratas Metálicas */
    --silver-dark: #7F8C8D;
    --silver-medium: #BDC3C7;
    --silver-light: #ECF0F1;
    --silver-bright: #95A5A6;
    
    /* Cores Base */
    --background: #FFFFFF;
    --foreground: #212121;
    --muted: #ECF0F1;
    --muted-foreground: #424242;
    --border: #BDC3C7;
    --shadow: rgba(127, 140, 141, 0.25);
    --text-light: #F5F5F5;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary);
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--muted-foreground);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    height: 80px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo img {
    height: 90px;
    width: auto;
    max-width: 400px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--foreground);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background-color: var(--muted);
}

.cta-button {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(142, 154, 175, 0.4);
}

/* Footer */
.footer {
    padding: 4rem 0;
    background-color: var(--muted);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 80px;
    width: auto;
    max-width: 360px;
    object-fit: contain;
}

.footer-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.footer-title img {
    height: 80px;
    width: auto;
    max-width: 360px;
    object-fit: contain;
}

.footer-description {
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
}

.footer-heading {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link {
    color: var(--muted-foreground);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--primary);
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--muted-foreground);
}

/* WhatsApp Button */
.whatsapp-button {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 4rem;
    height: 4rem;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    text-decoration: none;
    z-index: 1000;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.6);
}

/* Botões */
.btn-primary {
    background-color: var(--accent);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(142, 154, 175, 0.4);
}

.btn-secondary {
    background-color: white;
    color: var(--primary);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
    display: inline-block;
    border: 1px solid var(--primary);
}

.btn-secondary:hover {
    background-color: var(--muted);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.buttons-container {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

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

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .buttons-container {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease forwards;
}

/* Utilitários */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 1rem;
}

.mt-8 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-8 {
    margin-bottom: 2rem;
}

.py-16 {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

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

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

.text-white {
    color: white;
}

.shadow {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.rounded {
    border-radius: 0.5rem;
}

.border {
    border: 1px solid var(--border);
}

/* Mobile Menu */
.mobile-menu-button {
    display: none;
    background: transparent;
    border: none;
    color: var(--foreground);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: white;
    padding: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 999;
}

.mobile-menu.open {
    display: block;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-menu-link {
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
}

.mobile-menu-link:hover,
.mobile-menu-link.active {
    background-color: var(--muted);
    color: var(--primary);
}

@media (max-width: 768px) {
    .mobile-menu-button {
        display: block;
    }
}