:root {
    --primary-green: #4CAF50;
    --dark-green: #2E7D32;
    --soft-blue: #e3f2fd;
    --deep-blue: #1976D2;
    --white: #ffffff;
    --text-color: #333;
    --light-bg: #f4f7f6;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--dark-green);
}

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

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li {
    margin-left: 2rem;
}

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

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

/* Hero Section */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), 
                url('https://images.unsplash.com/photo-1544367567-0f2fcb009e0b?auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
}

/* Buttons */
.btn-primary {
    background: var(--primary-green);
    color: white !important;
    padding: 0.7rem 1.5rem;
    border-radius: 25px;
}

.btn-secondary {
    background: var(--deep-blue);
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1rem;
}

.btn-white {
    background: white;
    color: var(--deep-blue);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 30px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 1rem;
}

/* Cards Section */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--dark-green);
}

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

.card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-bottom: 4px solid var(--soft-blue);
}

.card:hover {
    transform: translateY(-10px);
    border-bottom: 4px solid var(--primary-green);
}

.card i {
    font-size: 3rem;
    color: var(--primary-green);
    margin-bottom: 1.5rem;
}

/* Community Section */
.community-cta {
    background: linear-gradient(135deg, var(--dark-green), var(--deep-blue));
    color: white;
    padding: 6rem 0;
    text-align: center;
}

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

footer {
    padding: 2rem;
    text-align: center;
    background: #333;
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-content h1 { font-size: 2.5rem; }
}