:root {
    --primary: #F5F5F5;
    --secondary: #28A745;
    --background: #C0C0C0;
    --text: #696969;
    --white: #ffffff;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--background);
    color: var(--text);
}

/* HEADER */
header {
    background: var(--primary);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
}

.logo span {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--secondary);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* HERO */
.hero {
    height: 80vh;
    background: linear-gradient(to right, #ffffffcc, #ffffffcc),
    url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    text-align: center;
    max-width: 600px;
}

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

/* SEÇÕES */
.section {
    padding: 4rem 1rem;
    max-width: 1100px;
    margin: auto;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

/* CARDS */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-8px);
}

/* BOTÕES */
button {
    border: none;
    cursor: pointer;
    padding: 0.7rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
}

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

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

/* FORM */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 0.8rem;
    border-radius: 5px;
    border: 1px solid #ccc;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 1.5rem;
    background: var(--primary);
}

/* ANIMAÇÕES */
.animate {
    opacity: 0;
    transform: translateY(30px);
    transition: 0.6s ease;
}

.animate.show {
    opacity: 1;
    transform: translateY(0);
}

/* SPA */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* RESPONSIVO */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 60px;
        right: 0;
        background: var(--primary);
        flex-direction: column;
        width: 200px;
        display: none;
    }

    .nav-links.show {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }
}