:root {
    --primary-color: #ffffff;
    --secondary-color: #f0f2f5;
    --accent-color: #007bff;
    --text-color: #333333;
    --text-muted: #6c757d;
    --bg-light: #ffffff;
    --card-bg: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-light);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--primary-color); /* Fundo branco puro */
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.logo img {
    height: 50px;
    /* filter: invert(100%); Removido para manter as cores originais */
}

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

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--accent-color);
}

.btn-contact {
    background-color: var(--accent-color);
    color: white;
    padding: 10px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s, background-color 0.3s;
}

.btn-contact:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../assets/images/hero.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
    color: white;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 800;
}

.hero p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin-bottom: 40px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    padding: 15px 35px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: background-color 0.3s;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-secondary {
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    padding: 13px 33px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: background-color 0.3s, color 0.3s;
}

.btn-secondary:hover {
    background-color: var(--accent-color);
    color: white;
}

section {
    padding: 100px 10%;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.section-title p {
    color: var(--text-muted);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.solution-card {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, border-color 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.solution-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.solution-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.solution-card h3 {
    margin-bottom: 15px;
    color: var(--text-color);
}

.solution-card p {
    color: var(--text-muted);
}

.about {
    display: flex;
    align-items: center;
    gap: 50px;
    background-color: var(--secondary-color);
}

.about-content {
    flex: 1;
}

.about-content h2 {
    color: var(--text-color);
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 15px;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

footer {
    background-color: var(--secondary-color);
    padding: 80px 10% 40px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-col h4 {
    margin-bottom: 25px;
    font-size: 1.2rem;
    color: var(--text-color);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col ul li a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    header {
        padding: 15px 20px;
    }
    nav {
        display: none;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .about {
        flex-direction: column;
    }
}