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

:root {
    --vermelho-principal: #DC143C;
    --preto: #1a1a1a;
    --cinza-metalico: #808080;
    --cinza-claro: #f5f5f5;
    --branco: #ffffff;
    --verde-whatsapp: #25D366;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--preto);
    background-color: var(--branco);
}

/* Header Fixo */
header {
    background: linear-gradient(135deg, var(--preto) 0%, var(--vermelho-principal) 100%);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo h1 {
    color: var(--branco);
    font-size: 1.5rem;
    font-weight: bold;
}

.logo span {
    color: var(--vermelho-principal);
}

.header-contact {
    display: flex;
    align-items: center;
    gap: 20px;
}

.phone-header {
    color: var(--branco);
    font-size: 1.3rem;
    font-weight: bold;
    text-decoration: none;
}

.btn-whatsapp-header {
    background: var(--verde-whatsapp);
    color: var(--branco);
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-whatsapp-header:hover {
    background: #1fb855;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.4);
}

/* Menu de Navegação */
nav {
    background: var(--preto);
    border-top: 2px solid var(--vermelho-principal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.menu-toggle {
    display: none;
    background: var(--vermelho-principal);
    color: var(--branco);
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    width: 100%;
}

.nav-menu {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: 15px 20px;
    color: var(--branco);
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-menu > li > a:hover,
.nav-menu > li.active > a {
    background: var(--vermelho-principal);
}

/* Submenu */
.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--cinza-metalico);
    min-width: 320px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    z-index: 999;
}

.nav-menu > li:hover .submenu {
    display: block;
}

.submenu li a {
    padding: 12px 20px;
    color: var(--branco);
    text-decoration: none;
    display: block;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.submenu li a:hover {
    background: var(--vermelho-principal);
    padding-left: 25px;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(220,20,60,0.4)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%231a1a1a" width="1200" height="600"/></svg>');
    background-size: cover;
    background-position: center;
    color: var(--branco);
    padding: 180px 20px 100px;
    text-align: center;
    margin-top: 80px;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero h2 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--cinza-claro);
}

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

.btn-cta {
    background: var(--vermelho-principal);
    color: var(--branco);
    padding: 15px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-cta:hover {
    background: #b01030;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(220,20,60,0.4);
}

.btn-cta-secondary {
    background: var(--verde-whatsapp);
}

.btn-cta-secondary:hover {
    background: #1fb855;
    box-shadow: 0 8px 20px rgba(37,211,102,0.4);
}

/* Seções de Conteúdo */
.content-section {
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.3rem;
    color: var(--preto);
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--vermelho-principal);
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: var(--cinza-metalico);
    margin-bottom: 40px;
}

/* Grid de Serviços */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.service-card {
    background: var(--branco);
    border: 2px solid var(--cinza-claro);
    border-radius: 10px;
    padding: 30px;
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    border-color: var(--vermelho-principal);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(220,20,60,0.2);
}

.service-card h3 {
    color: var(--vermelho-principal);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--cinza-metalico);
    margin-bottom: 20px;
}

/* Áreas de Atendimento */
.areas-atendimento {
    background: var(--cinza-claro);
    padding: 30px;
    border-radius: 10px;
    margin: 40px 0;
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.area-item {
    background: var(--branco);
    padding: 15px;
    border-left: 4px solid var(--vermelho-principal);
    border-radius: 5px;
    font-weight: 500;
}

/* WhatsApp Flutuante */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--verde-whatsapp);
    color: var(--branco);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(37,211,102,0.5);
    z-index: 999;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background: #1fb855;
    transform: scale(1.1);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(37,211,102,0.5);
    }
    50% {
        box-shadow: 0 4px 25px rgba(37,211,102,0.8);
    }
}

/* Footer */
footer {
    background: var(--preto);
    color: var(--branco);
    padding: 40px 20px 20px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    color: var(--vermelho-principal);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.footer-section p,
.footer-section a {
    color: var(--cinza-claro);
    margin-bottom: 10px;
    text-decoration: none;
    display: block;
}

.footer-section a:hover {
    color: var(--vermelho-principal);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--cinza-metalico);
    color: var(--cinza-claro);
}

/* Informações de Contato em Destaque */
.contact-highlight {
    background: linear-gradient(135deg, var(--vermelho-principal) 0%, var(--preto) 100%);
    color: var(--branco);
    padding: 40px 20px;
    text-align: center;
    margin: 40px 0;
    border-radius: 10px;
}

.contact-highlight h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact-highlight .phone {
    font-size: 2.5rem;
    font-weight: bold;
    margin: 20px 0;
}

/* Lista de Vantagens */
.advantages-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.advantage-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--cinza-claro);
    border-radius: 8px;
}

.advantage-icon {
    font-size: 2rem;
    color: var(--vermelho-principal);
}

.advantage-item h4 {
    color: var(--preto);
    margin-bottom: 5px;
}

.advantage-item p {
    color: var(--cinza-metalico);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
        flex-direction: column;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu > li {
        width: 100%;
    }
    
    .submenu {
        position: static;
        display: none;
        width: 100%;
    }
    
    .nav-menu > li.submenu-open .submenu {
        display: block;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 1.2rem;
    }
    
    .header-container {
        justify-content: center;
        text-align: center;
    }
    
    .header-contact {
        flex-direction: column;
        width: 100%;
        margin-top: 10px;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 140px 15px 60px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .phone-header {
        font-size: 1.1rem;
    }
}