/* Variáveis de Cores */
:root {
    --sd-primary: #00a3a3;
    --sd-white: #FFFFFF;
    --sd-accent: #a7f1ea;
    --text-color: #333;
    --light-gray: #f9f9f9;
    --border-color: #eee;
}

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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--sd-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    color: var(--sd-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Header */
header {
    background-color: var(--sd-primary);
    color: var(--sd-white);
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
    font-size: 1.8rem;
}

header nav ul {
    list-style: none;
    display: flex;
}

header nav ul li {
    margin-left: 20px;
}

header nav ul li a {
    color: var(--sd-white);
    font-weight: bold;
    transition: color 0.3s ease;
}

header nav ul li a:hover {
    color: var(--sd-accent);
    text-decoration: none;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(to right, var(--sd-accent), var(--sd-white));
    padding: 80px 0;
    text-align: center;
    color: var(--sd-primary);
}

.hero-section h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.hero-section p {
    font-size: 1.3rem;
    margin-bottom: 30px;
}

.button {
    display: inline-block;
    background-color: var(--sd-primary);
    color: var(--sd-white);
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.button:hover {
    background-color: #007a7a; /* Um tom mais escuro de sd-primary */
    text-decoration: none;
}

/* Content Sections */
.content-section {
    padding: 60px 0;
    border-bottom: 1px solid var(--border-color);
}

.content-section:last-of-type {
    border-bottom: none;
}

.content-section h2 {
    text-align: center;
    font-size: 2.2rem;
    color: var(--sd-primary);
    margin-bottom: 40px;
}

.content-section p {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 20px auto;
}

/* Products Section */
.products .product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
    margin-bottom: 40px;
}

.product-item {
    background-color: var(--light-gray);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
}

.product-item h3 {
    color: var(--sd-primary);
    font-size: 1.4rem;
    margin-bottom: 10px;
}

/* Differentials Section */
.differentials {
    background-color: var(--sd-accent);
}

.differentials .differential-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.differential-item {
    background-color: var(--sd-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    text-align: center;
}

.differential-item h3 {
    color: var(--sd-primary);
    font-size: 1.4rem;
    margin-bottom: 10px;
}

/* Contact Section */
.contact .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 30px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
}

.contact-form textarea {
    resize: vertical;
}

.contact-info h3 {
    color: var(--sd-primary);
    font-size: 1.6rem;
    margin-bottom: 20px;
}

.contact-info p {
    text-align: left;
    margin-bottom: 10px;
}

/* Footer */
footer {
    background-color: var(--sd-primary);
    color: var(--sd-white);
    padding: 40px 0;
    text-align: center;
}

footer .footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: left;
    margin-bottom: 30px;
}

footer h3,
footer h4 {
    color: var(--sd-white);
    margin-bottom: 15px;
}

footer p,
footer ul li a {
    color: var(--sd-accent);
    font-size: 0.9rem;
}

footer ul {
    list-style: none;
}

footer ul li {
    margin-bottom: 8px;
}

footer ul li a:hover {
    text-decoration: underline;
}

.copyright {
    border-top: 1px solid var(--sd-accent);
    padding-top: 20px;
    margin-top: 30px;
    font-size: 0.85rem;
    color: var(--sd-accent);
}

/* Responsividade */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
    }

    header nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    header nav ul li {
        margin: 0 10px 10px 10px;
    }

    .hero-section h2 {
        font-size: 2rem;
    }

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

    .content-section h2 {
        font-size: 1.8rem;
    }

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

    footer .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    footer .footer-grid > div {
        margin-bottom: 20px;
    }
}