/* ============================================
   MG DIESEL - ESTILOS PRINCIPAIS
   Estilo: Industrial Premium / Automotivo Pesado
   As cores são dinâmicas (controladas pelo backend)
   ============================================ */

/* RESET E VARIÁVEIS GLOBAIS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores padrão (serão sobrescritas pelo JavaScript dinâmico) */
    --cor-principal: #c41e3a;
    --cor-secundaria: #0a0a0a;
    --cor-texto: #e0e0e0;
    --cor-destaque: #25D366;
    
    /* Cores fixas (não alteram) */
    --black: #0a0a0a;
    --black-dark: #050505;
    --gray-dark: #111111;
    --gray-metal: #1e1e1e;
    --chrome: #c0c0c0;
    --chrome-light: #e0e0e0;
    --white: #ffffff;
    --white-smoke: #f5f5f5;
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

body {
    background-color: var(--cor-secundaria);
    color: var(--cor-texto);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    line-height: 1.5;
}

h1, h2, h3, .btn, .nav-links a {
    font-family: 'Rajdhani', 'Inter', sans-serif;
    font-weight: 700;
    letter-spacing: 0.5px;
}

h1 {
    font-size: clamp(2rem, 6vw, 4rem);
    line-height: 1.2;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--white) 0%, var(--chrome) 80%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
    border-left: 5px solid var(--cor-principal);
    padding-left: 1.2rem;
    text-transform: uppercase;
}

h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--white);
}

.section {
    padding: 90px 0;
    position: relative;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== HEADER FIXO ========== */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 2px solid var(--cor-principal);
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--white);
    font-family: 'Rajdhani', sans-serif;
    cursor: pointer;
}

.logo span {
    color: var(--cor-principal);
    text-shadow: 0 0 8px rgba(196, 30, 58, 0.4);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--chrome-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    transition: var(--transition);
    letter-spacing: 1px;
}

.nav-links a:hover {
    color: var(--cor-principal);
    border-bottom: 2px solid var(--cor-principal);
    padding-bottom: 4px;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.8rem;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
}

/* ========== HERO SECTION (PARALLAX) ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-attachment: fixed;
    background-position: center 30%;
    background-repeat: no-repeat;
    background-size: cover;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.65) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero p {
    font-size: 1.2rem;
    margin: 1.5rem 0 2rem;
    font-weight: 500;
    color: var(--chrome-light);
}

/* ========== BOTÕES ========== */
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--cor-destaque);
    color: white;
    font-weight: 800;
    padding: 14px 32px;
    text-decoration: none;
    font-size: 1rem;
    text-transform: uppercase;
    border-radius: 4px;
    transition: var(--transition);
    border: 1px solid var(--cor-destaque);
    font-family: 'Rajdhani', sans-serif;
    cursor: pointer;
}

.btn-whatsapp:hover {
    background: transparent;
    color: var(--cor-destaque);
    transform: scale(1.02);
}

.btn-red {
    background: var(--cor-principal);
    color: white;
    padding: 14px 36px;
    font-weight: 800;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 4px;
}

.btn-red:hover {
    background: var(--cor-principal);
    filter: brightness(0.85);
    transform: scale(1.02);
}

/* ========== CARDS DE SERVIÇOS ========== */
.services-grid,
.diffs-grid,
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-card {
    background: var(--gray-dark);
    border: 1px solid var(--gray-metal);
    padding: 2rem;
    transition: var(--transition);
    border-radius: 8px;
    text-align: center;
}

.service-card:hover {
    border-color: var(--cor-principal);
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(196, 30, 58, 0.2);
}

.service-card i {
    font-size: 2.8rem;
    color: var(--cor-principal);
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.4rem;
}

.service-card p {
    color: var(--chrome-light);
}

/* Imagens dos serviços */
.service-img {
    width: 100%;
    max-height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1rem;
}

/* ========== DIFERENCIAIS ========== */
.diff-card {
    background: linear-gradient(145deg, var(--gray-dark), var(--black));
    padding: 1.8rem;
    text-align: center;
    border-bottom: 3px solid var(--cor-principal);
    transition: var(--transition);
}

.diff-card:hover {
    transform: translateY(-5px);
}

.diff-card i {
    font-size: 2.5rem;
    color: var(--cor-principal);
    margin-bottom: 1rem;
}

.diff-card h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.diff-card p {
    color: var(--chrome-light);
    font-size: 0.9rem;
}

/* ========== DEPOIMENTOS ========== */
.testimonial-card {
    background: var(--gray-dark);
    padding: 1.8rem;
    border-left: 4px solid var(--cor-principal);
    border-radius: 4px;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateX(5px);
}

.testimonial-card p {
    font-style: italic;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.testimonial-card h5 {
    color: var(--cor-principal);
    font-weight: 700;
}

/* ========== PARALLAX INTERNO ========== */
.parallax-section {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.parallax-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
}

.parallax-content {
    position: relative;
    z-index: 2;
    color: white;
    padding: 2rem;
}

.parallax-content i {
    font-size: 3rem;
    color: var(--cor-principal);
    margin-bottom: 1rem;
}

.parallax-content h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

/* ========== CONTATO E MAPA ========== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: var(--gray-dark);
    padding: 2rem;
    border-radius: 12px;
}

.contact-info i {
    width: 32px;
    color: var(--cor-principal);
    font-size: 1.3rem;
    margin-right: 12px;
}

.contact-info p {
    margin: 1.2rem 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.map-container {
    border-radius: 12px;
    overflow: hidden;
    height: 280px;
    border: 1px solid var(--cor-principal);
}

iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* ========== WHATSAPP FLUTUANTE ========== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--cor-destaque);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    text-decoration: none;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.5);
    transition: var(--transition);
    z-index: 1000;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    filter: brightness(0.9);
}

/* ========== FOOTER ========== */
footer {
    background: var(--black-dark);
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--gray-metal);
    font-size: 0.85rem;
}

.social-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 20px;
}

.social-links a {
    color: var(--chrome);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--cor-principal);
}

/* ========== RESPONSIVIDADE ========== */
@media (max-width: 992px) {
    .section {
        padding: 70px 0;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero p {
        font-size: 1rem;
    }

    .nav-links {
        display: none;
    }

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

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--black-dark);
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 2px solid var(--cor-principal);
        z-index: 999;
    }
    
    .services-grid,
    .diffs-grid,
    .testimonials-grid {
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    h2 {
        font-size: 1.6rem;
    }

    .btn-whatsapp,
    .btn-red {
        padding: 10px 20px;
        font-size: 0.85rem;
    }
    
    .service-card, .diff-card, .testimonial-card {
        padding: 1.2rem;
    }
}

/* ========== ANIMAÇÕES E UTILIDADES ========== */
[data-aos] {
    transition-timing-function: cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--black);
}

::-webkit-scrollbar-thumb {
    background: var(--cor-principal);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    filter: brightness(0.8);
}

.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

/* ========== CORREÇÃO DE IMAGENS ========== */
img {
    max-width: 100%;
    height: auto;
}

/* ========== LINK PADRÃO ========== */
a {
    text-decoration: none;
    color: inherit;
}

/* ========== BOTÕES DE AÇÃO ========== */
button {
    cursor: pointer;
    font-family: inherit;
}

/* ========== CORES DINÂMICAS (serão aplicadas via JS) ========== */
.dynamic-color {
    transition: var(--transition);
}