/*
 * Estilo principal para o website Arethusa Global.
 * Utiliza cores inspiradas na bandeira dos Estados Unidos (azul, vermelho e branco)
 * para compor uma identidade visual forte e profissional.
 */

/* Variáveis de cor */
:root {
    --primary-color: #002f5b;  /* azul escuro */
    --secondary-color: #bf0a30; /* vermelho intenso */
    --light-color: #ffffff;    /* branco */
    --light-bg: #f5f5f5;       /* cinza muito claro para seções */
    --text-color: #333333;     /* cor principal do texto */
    --link-hover: #002b4f;     /* variação do azul para hover */
}

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

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

img {
    max-width: 100%;
    display: block;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
.header {
    background-color: var(--primary-color);
    color: var(--light-color);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo img {
    height: 50px;
    width: auto;
}
.nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}
.nav a {
    color: var(--light-color);
    text-decoration: none;
    font-weight: 600;
    transition: border-color 0.2s ease, color 0.2s ease;
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
}
.nav a:hover {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}
.nav .active {
    border-bottom: 2px solid var(--secondary-color);
}

/* Hero */
.hero {
    /* Use a photographic background combined with a semi‑transparent gradient overlay */
    background: linear-gradient(rgba(0, 47, 91, 0.75), rgba(191, 10, 48, 0.75)),
        url('images/hero.jpg') center/cover no-repeat;
    color: var(--light-color);
    text-align: center;
    padding: 5rem 1rem;
}
.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease;
}
.btn-primary {
    background-color: var(--secondary-color);
    color: var(--light-color);
}
.btn-primary:hover {
    background-color: #a8092a;
}
.btn-secondary {
    background-color: var(--primary-color);
    color: var(--light-color);
}
.btn-secondary:hover {
    background-color: var(--link-hover);
}

/* Sections */
.section {
    padding: 3rem 1rem;
}
.section h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

/* Light background helper class */
.bg-light {
    background-color: var(--light-bg);
}

/* About preview */
.about-preview p {
    margin-bottom: 1rem;
}

/* Decorative illustration on the about page */
/* Decorative illustration on the about page */
.about-image {
    /* Mantido para imagens ilustrativas, não utilizado para o logotipo */
    max-width: 100%;
    border-radius: 8px;
    margin: 1.5rem auto;
    display: block;
}

/* Layout da introdução na página sobre: alinha texto e logotipo lado a lado */
.about-intro {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin: 2rem 0;
}
.about-intro .intro-text {
    flex: 1;
}
.about-logo {
    max-width: 300px;
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}
@media (max-width: 768px) {
    .about-intro {
        flex-direction: column;
        text-align: center;
    }
    .about-logo {
        max-width: 70%;
        margin: 0 auto;
    }
}

/* Services preview grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}
.service-card {
    background-color: var(--light-color);
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease;
    text-align: center;
}
.service-card:hover {
    transform: translateY(-4px);
}
.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}
.service-card p {
    font-size: 0.95rem;
    color: var(--text-color);
}

/* Icon displayed above service titles on cards */
.service-card .service-icon {
    font-size: 2.4rem;
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
}

/* Services list */
.services-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}
.service-item h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}
.service-item p {
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Icons for service items on services page */
.services-list .service-item .service-icon {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-right: 0.5rem;
    vertical-align: middle;
}

/* CTA */
.cta {
    background-color: var(--secondary-color);
    color: var(--light-color);
    text-align: center;
    padding: 3rem 1rem;
}
.cta h2 {
    margin-bottom: 0.5rem;
    font-size: 2rem;
}
.cta p {
    margin-bottom: 1.5rem;
}

/* Contact page */
.contact-info p {
    margin-bottom: 0.5rem;
}

/* Icons within contact details */
.contact-info i {
    color: var(--secondary-color);
    margin-right: 0.5rem;
}
.contact-form {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 500px;
}

/* Map container for the contact page */
.map-container {
    margin-top: 2rem;
}
.map-container iframe {
    width: 100%;
    height: 350px;
    border: 0;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.form-group label {
    font-weight: 600;
    color: var(--primary-color);
}
.form-group input,
.form-group textarea {
    padding: 0.7rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--light-color);
    padding: 2rem 1rem;
    text-align: center;
    font-size: 0.9rem;
}
.footer .address {
    margin: 0.5rem 0;
}

/* List styling with icons used on the about page */
.about-list {
    list-style: none;
    margin-left: 0;
    padding-left: 0;
}
.about-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.8rem;
}
.about-list li i {
    margin-right: 0.6rem;
    color: var(--secondary-color);
    font-size: 1.2rem;
    line-height: 1.2;
    flex-shrink: 0;
}

/* Add spacing after the label inside the about list */
.about-list li strong {
    margin-right: 0.25rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .nav ul {
        gap: 0.8rem;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
}