:root {
    /* Primary Colors */
    --primary-green: #2C7744;     /* Main brand color - represents growth */
    --primary-brown: #5C4033;     /* Earth/soil color */
    --primary-blue: #4F8FC0;      /* Water element for hydroponics */
    
    /* Secondary Colors */
    --light-green: #8FBC8F;       /* Lighter shade for backgrounds */
    --cream: #F5F5DC;             /* Natural, organic feel */
    --charcoal: #333333;          /* Text and dark elements */
    
    /* Accent Colors */
    --leaf-green: #90EE90;        /* Highlights and accents */
    --terra-cotta: #E2725B;       /* Warm accent for CTAs */
}

/* Typography */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&family=Open+Sans:wght@400;600&display=swap');

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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--charcoal);
}

h1, h2, h3, h4, .logo {
    font-family: 'Montserrat', sans-serif;
}

/* Header Styles */
.header {
    background-color: #ffffff;
    padding: 1.5rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.logo {
    font-size: 1.8rem;
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* Hero Section */
.hero {
    background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), 
                      url('https://images.unsplash.com/photo-1595153431499-3b5c48b3da6b');
    background-size: cover;
    background-position: center;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-content {
    max-width: 800px;
    padding: 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

/* Button Styles */
.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--primary-green);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.cta-button:hover {
    background-color: var(--terra-cotta);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    background-color: var(--cream);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    color: var(--primary-green);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

/* Footer */
.footer {
    background-color: var(--charcoal);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
}

.footer p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .features {
        padding: 4rem 1.5rem;
    }
    
    .feature-card {
        padding: 2rem;
    }
}