:root {
    /* Paleta Institucional Sobratema */
    --vermelho-sobratema: var(--primary-color, #D71920);
    --cinza-escuro: var(--secondary-color, #54565A);
    --cinza-medio: var(--secondary-color, #8A8C8E);
    --cinza-claro: var(--accent-color, #D9D9D9);
    --preto: var(--text-color, #121212);
    --branco: var(--background-color, #FFFFFF);
}

/* Estilos Base */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color, #121212);
    background-color: var(--background-color, #FFFFFF);
}

/* Botões */
.btn-primary-custom {
    background: var(--primary-color, #D71920);
    color: var(--branco);
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    display: inline-block;
    margin: 10px;
    transition: all 0.3s;
    font-weight: 600;
}

.btn-primary-custom:hover {
    background: var(--primary-hover, #b8141a);
    color: var(--branco);
    text-decoration: none;
    transform: translateY(-2px);
}

.btn-outline-custom {
    background: transparent;
    color: var(--branco);
    border: 2px solid var(--primary-color, #D71920);
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    display: inline-block;
    margin: 10px;
    transition: all 0.3s;
    font-weight: 600;
}

.btn-outline-custom:hover {
    background: var(--primary-color, #D71920);
    color: var(--branco);
    text-decoration: none;
}

/* Formulários */
.form-control {
    padding: 1rem;
    border: 2px solid var(--accent-color, #D9D9D9);
    border-radius: 10px;
    margin-bottom: 1.5rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: var(--primary-color, #D71920);
    box-shadow: 0 0 0 0.2rem rgba(var(--primary-color, #D71920), 0.25);
}

/* Hero Section - Landing Pages */
.hero-section {
    background: linear-gradient(var(--gradient-start, rgba(84, 86, 90, 0.8)), var(--gradient-end, rgba(84, 86, 90, 0.8))), var(--hero-bg) center/cover;
    min-height: 50vh;
    display: flex;
    align-items: center;
    color: var(--branco);
    position: relative;
    padding: 80px 0;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-section .row {
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 2rem;
    color: var(--branco);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 800px;
}

/* Responsividade do Hero */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
}

@media (max-width: 991px) {
    .hero-section {
        min-height: 60vh;
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 767px) {
    .hero-section {
        min-height: 50vh;
        padding: 40px 0;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-section .row {
        justify-content: center;
    }
}

@media (max-width: 575px) {
    .hero-section {
        min-height: 40vh;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
}

/* Seções Gerais */
.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--text-color, #121212);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--secondary-color, #54565A);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsividade das Seções */
@media (max-width: 991px) {
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 767px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
}

/* Cards de Solução */
.solution-card {
    background: var(--card-bg, #FFFFFF);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    height: 100%;
    border: 1px solid var(--accent-color, #D9D9D9);
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color, #D71920);
}

.solution-card-category {
    background: var(--primary-color, #D71920);
    color: var(--branco);
    padding: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.solution-card-body {
    padding: 2rem;
}

.solution-card-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--text-color, #121212);
}

.solution-card-text {
    color: var(--secondary-color, #54565A);
    margin-bottom: 1.5rem;
}

/* Responsividade dos Cards */
@media (max-width: 991px) {
    .solution-card-category {
        font-size: 1rem;
        min-height: 70px;
    }
    
    .solution-card-img {
        height: 180px;
    }
    
    .solution-card-body {
        padding: 1.5rem;
    }
    
    .solution-card-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 767px) {
    .solution-card-category {
        font-size: 0.9rem;
        min-height: 60px;
    }
    
    .solution-card-img {
        height: 160px;
    }
    
    .solution-card-body {
        padding: 1.2rem;
    }
    
    .solution-card-title {
        font-size: 1.2rem;
    }
}

/* Formulários */
.form-control {
    border: 1px solid var(--accent-color, #D9D9D9);
    border-radius: 5px;
    padding: 12px 15px;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: var(--primary-color, #D71920);
    box-shadow: 0 0 0 0.2rem rgba(var(--primary-color, #D71920), 0.25);
}

/* Responsividade dos Formulários */
@media (max-width: 767px) {
    .form-control {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
}

/* Status Messages */
.status-container {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 5px;
    display: flex;
    align-items: center;
}

.status-container.loading {
    background: #f8f9fa;
    color: var(--text-color, #121212);
}

.status-container.success {
    background: #d4edda;
    color: #155724;
}

.status-container.error {
    background: #f8d7da;
    color: #721c24;
}

.status-icon {
    margin-right: 10px;
    font-size: 1.2rem;
}

/* Responsividade das Mensagens de Status */
@media (max-width: 767px) {
    .status-container {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
    
    .status-icon {
        font-size: 1rem;
    }
}

/* Footer */
.footer {
    background: var(--secondary-color, #54565A);
    color: var(--branco);
    padding: 60px 0 30px;
}

.footer-title {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--accent-color, #D9D9D9);
    text-decoration: none;
    transition: all 0.3s;
}

.footer-links a:hover {
    color: var(--branco);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    margin-top: 30px;
    text-align: center;
    color: var(--accent-color, #D9D9D9);
}

/* Responsividade do Footer */
@media (max-width: 991px) {
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-title {
        font-size: 1.2rem;
        margin-bottom: 1.2rem;
    }
}

@media (max-width: 767px) {
    .footer {
        padding: 30px 0 15px;
    }
    
    .footer-title {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
    
    .footer-links li {
        margin-bottom: 0.6rem;
    }
    
    .footer-bottom {
        padding-top: 20px;
        margin-top: 20px;
    }
}

/* Responsividade dos Botões */
@media (max-width: 991px) {
    .btn-primary-custom,
    .btn-outline-custom {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
}

@media (max-width: 767px) {
    .btn-primary-custom,
    .btn-outline-custom {
        padding: 10px 20px;
        font-size: 0.85rem;
    }
}

@media (max-width: 575px) {
    .btn-primary-custom,
    .btn-outline-custom {
        padding: 8px 15px;
        font-size: 0.8rem;
    }
}

/* Botão Voltar ao Topo */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color, #D71920);
    color: var(--branco);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-hover, #b8141a);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

@media (max-width: 767px) {
    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: 20px;
        bottom: 20px;
        right: 20px;
    }
}

/* Links */
a {
    color: var(--primary-color, #D71920);
}

a:hover {
    color: var(--primary-hover, #b8141a);
}

/* Títulos */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-color, #121212);
}

/* Cards com hover */
.card {
    background: var(--card-bg, #FFFFFF);
    border: 1px solid var(--accent-color, #D9D9D9);
}

.card:hover {
    border-color: var(--primary-color, #D71920);
}

/* Ícones */
.icon-primary {
    color: var(--primary-color, #D71920);
}

.icon-secondary {
    color: var(--secondary-color, #54565A);
}

/* Gradientes */
.gradient-primary {
    background: linear-gradient(to right, var(--primary-color, #D71920), var(--primary-hover, #b8141a));
}

/* Bordas */
.border-primary {
    border-color: var(--primary-color, #D71920) !important;
}

/* Textos */
.text-primary {
    color: var(--primary-color, #D71920) !important;
}

.text-secondary {
    color: var(--secondary-color, #54565A) !important;
}

/* Fundos */
.bg-primary {
    background-color: var(--primary-color, #D71920) !important;
}

.bg-secondary {
    background-color: var(--secondary-color, #54565A) !important;
}

.bg-accent {
    background-color: var(--accent-color, #D9D9D9) !important;
}