:root {
    --primary-dark: #1a2a1a;
    --primary: #3d5a1e;
    --primary-light: #6b8c21;
    --secondary: #f2c94c;
    --secondary-dark: #d9a729;
    --text-light: #f5f5f5;
    --text-dark: #333;
    --background: #121212;
    --card-bg: #1e1e1e;
    --chat-bg: #2d2d2d;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--primary-dark);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo img {
    height: 40px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-light);
}

.logo h1 span {
    color: var(--secondary);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

nav a:hover {
    color: var(--secondary);
}

.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
                url('assets/images/milho-background.jpg') no-repeat center center/cover;
    height: 80vh;
    display: flex;
    align-items: center;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--secondary);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background-color: var(--secondary);
    color: var(--primary-dark);
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(210, 180, 60, 0.3);
}

section {
    padding: 80px 0;
}

h2 {
    font-size: 2rem;
    margin-bottom: 50px;
    text-align: center;
    color: var(--secondary);
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background-color: var(--secondary);
    margin: 15px auto 0;
}

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

.solution-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.solution-card i {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.solution-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.assistant {
    background-color: var(--primary-dark);
}

.chat-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--chat-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.chat-box {
    height: 400px;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    max-width: 80%;
    padding: 12px 18px;
    border-radius: 18px;
    line-height: 1.4;
}

.user-message {
    align-self: flex-end;
    background-color: var(--secondary);
    color: var(--primary-dark);
    border-bottom-right-radius: 5px;
}

.bot-message {
    align-self: flex-start;
    background-color: var(--primary);
    border-bottom-left-radius: 5px;
}

.input-area {
    display: flex;
    padding: 15px;
    background-color: var(--card-bg);
}

.input-area input {
    flex: 1;
    padding: 12px 15px;
    border: none;
    border-radius: 30px;
    background-color: var(--chat-bg);
    color: var(--text-light);
    outline: none;
}

.input-area button {
    background-color: var(--secondary);
    color: var(--primary-dark);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-left: 10px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.input-area button:hover {
    background-color: var(--secondary-dark);
}

.quick-questions {
    margin-top: 20px;
    text-align: center;
}

.quick-questions p {
    margin-bottom: 10px;
}

.quick-btn {
    background-color: transparent;
    color: var(--secondary);
    border: 1px solid var(--secondary);
    padding: 8px 15px;
    border-radius: 20px;
    margin: 0 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.quick-btn:hover {
    background-color: var(--secondary);
    color: var(--primary-dark);
}

.technology {
    background-color: var(--background);
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.tech-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.tech-text ul {
    margin-top: 20px;
    list-style-position: inside;
}

.tech-text li {
    margin-bottom: 10px;
}

footer {
    background-color: var(--primary-dark);
    padding: 50px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--secondary);
}

.footer-section p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    color: var(--text-light);
    font-size: 1.5rem;
    transition: color 0.3s;
}

.social-icons a:hover {
    color: var(--secondary);
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    margin-top: 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .tech-content {
        grid-template-columns: 1fr;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    section {
        padding: 60px 0;
    }
}