:root {
    --primary-color: #2c3e50;
    --accent-color: #e74c3c;
    --secondary-color: #34495e;
    --light-bg: #ecf0f1;
    --text-color: #2c3e50;
    --border-color: #bdc3c7;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Navigation */
.navbar {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo {
    height: 50px;
    width: auto;
    border-radius: 4px;
}

.navbar h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.95;
}

/* Sections */
.section {
    padding: 60px 0;
}

.section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.section p {
    font-size: 1rem;
    margin-bottom: 1rem;
    line-height: 1.8;
}

.section ul {
    margin-left: 20px;
    margin-bottom: 1.5rem;
}

.section ul li {
    margin-bottom: 0.8rem;
    font-size: 1rem;
}

.alternate {
    background-color: var(--light-bg);
}

/* Resource Grid */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.resource-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.resource-card h3 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.resource-card p {
    font-size: 0.95rem;
    color: #555;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

footer p {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section h2 {
        font-size: 1.5rem;
    }

    .resource-grid {
        grid-template-columns: 1fr;
    }

    .logo-section {
        flex-direction: column;
        text-align: center;
    }

    .navbar h1 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 0;
    }

    .section {
        padding: 40px 0;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .logo {
        height: 40px;
    }
}