/* Variáveis de cor e estilo base */
:root {
    --primary-color: #398B37; /* verde escuro */
    --secondary-color: #003253; /* azul escuro */
    --accent-color: #60D838; /* verde claro */
    --text-light: #f5f5f5;
    --text-dark: #02101e;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.15);
}

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

body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text-light);
    background: var(--secondary-color);
    line-height: 1.6;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    height: 40px;
}

.nav-links a {
    margin-left: 1rem;
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn.primary {
    background-color: var(--primary-color);
    color: var(--text-light);
    border: 2px solid transparent;
}

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

.btn.secondary {
    background-color: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
}

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

/* Sections */
.section {
    padding: 4rem 2rem;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 50%, var(--secondary-color) 100%);
    overflow: hidden;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero .btn {
    margin-top: 1rem;
}

.hero-decor {
    position: absolute;
    bottom: -50px;
    right: -50px;
    opacity: 0.1;
    z-index: -1;
}

.hero-decor .symbol {
    width: 300px;
}

/* Features */
.features {
    background: var(--secondary-color);
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.card p {
    color: var(--text-light);
    font-size: 1rem;
}

/* About */
.about {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    align-items: center;
    text-align: center;
}

.about-text {
    flex: 1;
    color: var(--text-light);
}

.about-image .symbol-large {
    width: 200px;
    opacity: 0.2;
}

@media(min-width: 768px) {
    .about-content {
        flex-direction: row;
        text-align: left;
        align-items: center;
    }
    .about-image {
        display: flex;
        justify-content: center;
        align-items: center;
    }
}

/* Contact */
.contact {
    background: var(--secondary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 6rem 2rem;
}

.contact-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    text-align: center;
    padding: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Animations */
.animate {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate.in-view {
    opacity: 1;
    transform: translateY(0);
}