/* --- RESET E VARIÁVEIS GLOBAIS --- */
:root {
    --primary-color: #1a1a1a;
    --secondary-color: #222;
    --accent-color: #F7941D;
    --accent-color-darker: #E68A0D;
    --text-light: #f5f5f5;
    --text-dark: #333;
    --error-color: #dc3545;
    --border-radius: 12px;
    --transition-speed: 0.4s;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.7;
    color: var(--text-light);
    background-color: var(--primary-color);
    -webkit-font-smoothing: antialiased;
}
body.no-scroll {
    overflow: hidden;
}

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

/* --- HEADER DINÂMICO --- */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: padding var(--transition-speed) ease-in-out, 
                background-color var(--transition-speed) ease-in-out,
                backdrop-filter var(--transition-speed) ease-in-out,
                box-shadow var(--transition-speed) ease-in-out;
    padding: 15px 0;
}
#main-header.scrolled {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 10px 0;
}
header nav { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    height: 100%;
}

.logo {
    position: relative;
    height: 130px;
    transition: height var(--transition-speed) ease-in-out;
}
#main-header.scrolled .logo {
    height: 90px;
}
.logo img {
    height: 100%;
    width: auto;
    display: block;
    transition: filter var(--transition-speed) ease-in-out;
}
#main-header.scrolled .logo img {
    filter: invert(1);
}

.nav-links { list-style: none; display: flex; gap: 45px; }
.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    position: relative;
    transition: color var(--transition-speed) ease-in-out;
    padding: 5px 0;
}
#main-header.scrolled .nav-links a { color: var(--text-dark); }
.nav-links a::after {
    content: '';
    position: absolute; width: 0; height: 2px;
    bottom: 0; left: 50%; transform: translateX(-50%);
    background: var(--accent-color);
    transition: width 0.3s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-links a:hover { color: var(--accent-color); }
#main-header.scrolled .nav-links a:hover { color: var(--accent-color); }

/* --- HERO SECTION VIVA --- */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    color: var(--text-light);
    background: #000;
}
.hero-background-animation {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7)), url('caminhao5.jpeg');
    background-size: cover;
    background-position: center;
    animation: kenburns 30s infinite alternate ease-in-out;
    opacity: 0.7;
}
@keyframes kenburns {
  from { transform: scale(1.05) translate(0, 0); }
  to { transform: scale(1.15) translate(-2%, 2%); }
}

.hero-content { 
    position: relative; 
    z-index: 2; 
    text-align: center;
}
.hero-content h1 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2.8rem, 8vw, 5.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 25px;
    text-shadow: 0 4px 15px rgba(0,0,0,0.4);
}
.hero-content .highlight { color: var(--accent-color); }
.hero-content p { 
    max-width: 600px; 
    font-size: clamp(1rem, 2.5vw, 1.2rem); 
    margin: 0 auto 45px;
    font-weight: 400; 
    text-shadow: 0 2px 10px rgba(0,0,0,0.4); 
}

.animated-text { animation: slideUp 1s 0.5s both cubic-bezier(0.16, 1, 0.3, 1); }
.animated-text:nth-child(2) { animation-delay: 0.7s; }
.animated-text:nth-child(3) { animation-delay: 0.9s; }
@keyframes slideUp { from { transform: translateY(120px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* --- BOTÕES --- */
.nav-button, .cta-button {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    padding: 12px 35px;
    border: 2px solid var(--accent-color);
    border-radius: 50px;
    text-decoration: none;
    background: var(--accent-color);
    color: var(--primary-color);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
    display: inline-block;
}
.nav-button {
    padding: 8px 25px;
    background: transparent;
    color: var(--text-light);
    border-color: var(--text-light);
    transition: color var(--transition-speed) ease-in-out, 
                border-color var(--transition-speed) ease-in-out, 
                background-color 0.3s ease, 
                transform 0.3s ease;
}
#main-header.scrolled .nav-button {
    color: var(--accent-color);
    border-color: var(--accent-color);
}
.nav-button:hover, .cta-button:hover {
    transform: scale(1.05) translateY(-3px);
    box-shadow: 0 12px 25px rgba(247, 148, 29, 0.25);
    background-color: var(--accent-color-darker);
    border-color: var(--accent-color-darker);
    color: var(--text-light);
}
#main-header.scrolled .nav-button:hover {
    background-color: var(--accent-color);
    color: #fff;
}
.nav-button span, .cta-button span { position: relative; z-index: 2; }

/* --- SEÇÕES GERAIS E TÍTULOS ANIMADOS --- */
section { padding: 80px 0; position: relative; }
.section-dark { background-color: var(--secondary-color); }
#sobre, #servicos, #frota, #cotacao { 
    background: #f9f9f9; 
    color: var(--text-dark); 
}
#servicos {
    background: #fff; /* Fundo branco para os serviços */
}
.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2.2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: 25px;
    font-weight: 700;
}
.intro { 
    max-width: 800px; 
    margin: 0 auto 60px;
    text-align: center; 
    font-size: 1.1rem; 
    line-height: 1.8; 
    color: #666; 
}
#contato .contato-info p { 
    color: #ccc; 
}

/* --- DIFERENCIAIS #SOBRE --- */
.diferenciais { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; margin-top: 60px; }
.diferencial-item { padding: 25px; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.diferencial-item:hover { transform: translateY(-10px); }
.diferencial-item i { font-size: 3rem; color: var(--accent-color); margin-bottom: 20px; }
.diferencial-item h3 { font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 1.25rem; }

/* --- SERVIÇOS CARDS --- */
.servicos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.servico-card {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 30px 25px;
    text-align: center;
    border: 1px solid #e9e9e9;
    transition: transform 0.2s, box-shadow 0.2s;
    transform-style: preserve-3d;
    box-shadow: 0 5px 15px rgba(0,0,0,0.04);
}
.servico-card h3, .servico-card p {
    color: var(--text-dark);
}
.card-content { transform: translateZ(20px); }
.servico-card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    text-shadow: 0 0 25px rgba(247, 148, 29, 0.3);
    transition: transform 0.3s ease;
}
.servico-card:hover i { transform: scale(1.1); }
.servico-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.25rem;
    margin-bottom: 15px;
}

/* --- FROTA --- */
.frota-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; }
.frota-categoria { padding: 35px; border: 1px solid #eee; border-radius: var(--border-radius); background: #fafafa; transition: transform 0.3s, box-shadow 0.3s; }
.frota-categoria:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.07); }
.frota-categoria h3 { color: var(--primary-color); border-bottom: 3px solid var(--accent-color); padding-bottom: 15px; margin-bottom: 25px; font-size: 1.5rem; font-family: 'Poppins', sans-serif; }
.frota-categoria ul { list-style: none; }
.frota-categoria li { display: flex; align-items: center; padding: 10px 0; font-size: 1.1rem; }
.frota-categoria li i { color: var(--accent-color); margin-right: 15px; }

/* --- FORMULÁRIOS (GERAL) --- */
.contato-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}
.contato-info h3 { font-family: 'Poppins', sans-serif; font-size: 2rem; margin-bottom: 20px; }
.contato-info ul { list-style: none; margin-top: 30px; }
.contato-info li { margin-bottom: 20px; display: flex; align-items: center; }
.contato-info li a { text-decoration: none; color: #ccc; transition: color 0.3s ease; font-size: 1.05rem; }
.contato-info li a:hover { color: var(--accent-color); }
.contato-info i { color: var(--accent-color); margin-right: 20px; font-size: 1.2rem; width: 25px; text-align: center; }

.form-group { position: relative; margin-bottom: 35px; }
.form-group input, .form-group textarea {
    width: 100%; padding: 15px 5px 10px;
    border: none;
    border-bottom: 2px solid #ccc;
    background: transparent;
    font-family: 'Roboto', sans-serif;
    font-size: 1rem; color: var(--text-dark);
    transition: border-color 0.3s ease;
    border-radius: 0;
}
.form-group textarea { resize: vertical; }
.form-group input:focus, .form-group textarea:focus { 
    outline: none; 
    border-color: var(--accent-color); 
}
.form-group label {
    position: absolute; top: 15px; left: 5px;
    color: #999;
    transition: all 0.3s ease;
    pointer-events: none;
}
/* EFEITO FLOATING LABEL APRIMORADO */
.form-group input:focus + label, 
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -8px; left: 0; font-size: 0.8rem; color: var(--accent-color);
}
#contact-form-status { margin-top: 15px; font-weight: 500; }

/* Estilos para campos inválidos (Validação Suave) */
.form-group.invalid input,
.form-group.invalid textarea {
    border-color: var(--error-color) !important;
}
.form-group.invalid label {
    color: var(--error-color) !important;
}
.form-group.invalid input:focus + label, 
.form-group.invalid textarea:focus + label,
.form-group.invalid input:not(:placeholder-shown) + label,
.form-group.invalid textarea:not(:placeholder-shown) + label {
    color: var(--error-color) !important;
}

#contato .form-group input, #contato .form-group textarea {
    border-bottom-color: #555;
    color: var(--text-light);
}

/* --- CORREÇÃO PARA O AUTOCOMPLETE DO NAVEGADOR --- */
input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus, 
input:-webkit-autofill:active {
    -webkit-text-fill-color: var(--text-dark) !important;
    -webkit-box-shadow: 0 0 0 1000px #fff inset !important;
    box-shadow: 0 0 0 1000px #fff inset !important;
    transition: background-color 5000s ease-in-out 0s;
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
}

#contato input:-webkit-autofill,
#contato input:-webkit-autofill:hover, 
#contato input:-webkit-autofill:focus, 
#contato input:-webkit-autofill:active {
    -webkit-text-fill-color: var(--text-light) !important;
    -webkit-box-shadow: 0 0 0 1000px var(--secondary-color) inset !important;
    box-shadow: 0 0 0 1000px var(--secondary-color) inset !important;
}

/* --- SPINNER DE CARREGAMENTO DO CEP --- */
.form-group .cep-loader {
    display: none;
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.form-group.loading .cep-loader {
    display: block;
}

.form-group.loading-address input {
    pointer-events: none;
    background-color: #f9f9f9;
}

@keyframes spin {
    0% { transform: translateY(-50%) rotate(0deg); }
    100% { transform: translateY(-50%) rotate(360deg); }
}

/* --- SEÇÃO DE COTAÇÃO --- */
.cotacao-form-container {
    max-width: 850px;
    margin: 0 auto;
    background: #fff;
    padding: 40px 50px;
    border-radius: var(--border-radius);
    border: 1px solid #e0e0e0;
    box-shadow: 0 15px 50px rgba(0,0,0,0.07);
    overflow: hidden;
}

.progress-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 50px;
    position: relative;
    transition: opacity 0.3s;
}
.progress-bar::before, .progress-bar::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    height: 4px;
    z-index: 1;
}
.progress-bar::before {
    background-color: #e0e0e0;
    width: 100%;
}
.progress-bar::after {
    background-color: var(--accent-color);
    width: var(--progress-width, 0%);
    transition: width 0.4s ease-in-out;
}
.progress-step {
    width: 45px;
    height: 45px;
    background-color: #fff;
    border: 3px solid #e0e0e0;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 1.2rem;
    color: #999;
    z-index: 2;
    transition: all 0.4s ease;
    position: relative;
}
.progress-step.active {
    border-color: var(--accent-color);
    background-color: var(--accent-color);
    color: #fff;
}
.progress-step::after {
    content: attr(data-title);
    position: absolute;
    top: calc(100% + 10px);
    font-size: 0.9rem;
    font-weight: 600;
    color: #666;
    width: 120px;
    text-align: center;
}

.form-step { display: none; animation: fadeIn 0.5s ease-in-out; }
.form-step.active { display: block; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}
.step-title {
    text-align: center;
    margin-bottom: 35px;
    font-family: 'Poppins', sans-serif;
    color: var(--primary-color);
    font-size: 1.8rem;
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.form-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
}
.form-buttons .btn-prev {
    background: #6c757d;
    border: none;
    color: #fff;
    padding: 10px 25px;
    border-radius: 50px;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s ease;
}
.form-buttons .btn-prev:hover { background: #5a6268; }
.form-buttons .cta-button i { margin-left: 8px; transition: transform 0.3s ease; }
.form-buttons .cta-button:hover i { transform: translateX(5px); }

.form-status-message {
    display: none;
    padding: 40px;
    text-align: center;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    animation: fadeIn 0.5s ease-in-out;
}
.form-status-message h3 { font-family: 'Poppins', sans-serif; margin-bottom: 10px; font-size: 1.8rem; }
.form-status-message.success { background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.form-status-message.error { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

/* --- RODAPÉ --- */
footer { background-color: #111; color: #888; text-align: center; padding: 40px 0; font-size: 0.9rem; }
footer p { max-width: 600px; margin: auto; line-height: 1.8; }

/* --- BOTÃO WHATSAPP --- */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    transition: transform 0.3s ease;
}

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

/* --- ANIMAÇÃO DE SCROLL --- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

/* --- MENU MOBILE E RESPONSIVIDADE --- */
.menu-hamburguer { display: none; }
.mobile-nav-overlay { display: none; }

@media (max-width: 992px) {
    .nav-links, .nav-button { display: none; }
    .menu-hamburguer {
        display: block; background: none; border: none; cursor: pointer;
        color: var(--text-light); font-size: 1.8rem; z-index: 1001;
        transition: color var(--transition-speed) ease;
    }
    #main-header.scrolled .menu-hamburguer { color: var(--text-dark); }
    .mobile-nav-overlay {
        position: fixed; top: 0; left: 0;
        width: 100%; height: 100%;
        background-color: rgba(20, 20, 20, 0.98);
        backdrop-filter: blur(5px);
        z-index: 2000;
        display: flex; flex-direction: column; justify-content: center; align-items: center;
        opacity: 0; pointer-events: none;
        transition: opacity var(--transition-speed) ease;
    }
    .mobile-nav-overlay.active { opacity: 1; pointer-events: auto; }
    .close-menu-btn {
        position: absolute; top: 30px; right: 30px;
        background: none; border: none;
        color: var(--text-light); font-size: 2rem; cursor: pointer;
    }
    .mobile-nav-links { list-style: none; text-align: center; }
    .mobile-nav-links li { margin: 20px 0; }
    .mobile-nav-links a {
        color: var(--text-light); text-decoration: none;
        font-family: 'Poppins', sans-serif; font-size: 2rem; font-weight: 600;
        transition: color 0.3s ease;
    }
    .mobile-nav-links a:hover { color: var(--accent-color); }
    .nav-button-mobile {
        display: inline-block; margin-top: 30px; padding: 12px 40px;
        border: 2px solid var(--accent-color); border-radius: 50px;
        color: var(--accent-color); font-size: 1.2rem;
    }
    .diferenciais, .servicos-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .form-grid { grid-template-columns: 1fr; }
    .frota-grid, .contato-wrapper { grid-template-columns: 1fr; }
    .contato-wrapper { gap: 60px; }
    .contato-info { text-align: center; }
    .contato-info ul { padding-left: 0; }
    .contato-info li { justify-content: center; }
}

@media (max-width: 768px) {
    .hero-content { text-align: center; }
    .hero-content p { margin: 0 auto 40px; }
    section { padding: 100px 0; }
    .diferenciais, .servicos-grid, .form-grid { grid-template-columns: 1fr; }
    .container { padding: 0 1.5rem; }
    .diferencial-item { padding: 15px; }
    .cotacao-form-container { padding: 30px 20px; }
    .progress-step::after { display: none; }
    footer p { font-size: 0.85rem; }
}