:root {
    --senar-green: #008000;
    --senar-yellow: #FFD700;
    --text-dark: #333333;
    --text-light: #ffffff;
    --background-light: #F4F7F4;
    --border-color: #e0e0e0;
}

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

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

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    background-color: #015346;
    color: var(--text-light);
    padding: 30px 0;
    text-align: center;
    border-bottom: 6px solid var(--senar-yellow);
}

.header .logo {
    max-width: 140px;
    margin-bottom: 15px;
}

.header h1 {
    font-size: 1.8em;
    padding: 0 10px;
}

/* Seções Gerais */
section {
    background-color: #ffffff;
    padding: 25px;
    margin-bottom: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

h2 {
    color: var(--senar-green);
    margin-bottom: 20px;
    border-left: 5px solid var(--senar-yellow);
    padding-left: 15px;
}

/* Warning Box */
.warning-box {
    background-color: #fff9e6;
    border: 1px solid #ffeeba;
    padding: 20px;
    border-radius: 8px;
}

/* Grid de Passos */
.steps-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.step-item {
    background: #fff;
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-number {
    background-color: var(--senar-green);
    color: #fff;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-bottom: 10px;
}

/* Ajuste de Imagens para não distorcer */
.image-container {
    width: 100%;
    max-width: 350px; /* Limita largura no desktop */
    margin-top: 15px;
    border: 2px solid var(--background-light);
    border-radius: 8px;
    overflow: hidden;
    background: #eee;
}

.image-container img {
    width: 100%;
    height: auto; /* Mantém a proporção real */
    display: block;
    object-fit: contain;
}

/* Lista de Configurações */
ul {
    list-style: none;
}

ul li {
    padding: 12px;
    border-bottom: 1px solid #eee;
}

ul li strong {
    color: var(--senar-green);
}

/* Botão Download */
.download-button-section {
    text-align: center;
    padding: 40px 0;
}

.download-button {
    background-color: var(--senar-green);
    color: white;
    padding: 20px 40px;
    border-radius: 50px;
    font-size: 1.2em;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    border: 3px solid var(--senar-yellow);
    transition: 0.3s;
}

.download-button:hover {
    transform: scale(1.05);
    background-color: #006400;
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px;
    background: #333;
    color: #ccc;
    font-size: 0.85em;
}

/* Responsividade */
@media (min-width: 768px) {
    .steps-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
}
