/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

img {
    max-width: 100%;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Navigation Bar */
.navbar {
    background-color: #4caf50;
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #fff;
}

.navbar h1 {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 25px;
}

.nav-links a {
    color: #fff;
    font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: #e8f5e9;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #fff;
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Main Content */
main {
    padding: 60px 0;
}

/* Section Titles */
.section-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
    color: #333;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #4caf50;
}

/* Footer */
footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-bottom: 15px;
    border: 2px solid #4caf50;
}

.footer-about h3,
.footer-links h3,
.footer-social h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #4caf50;
}

.footer-about p {
    color: #bbb;
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: #bbb;
    transition: color 0.3s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: #4caf50;
}

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

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.social-icons a:hover {
    background-color: #4caf50;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #888;
    font-size: 0.9rem;
}

/* Common placeholder styles */
.placeholder {
    background-color: #e8f5e9;
    position: relative;
}

.placeholder::after {
    content: 'Image Placeholder';
    color: #4caf50;
    font-weight: 500;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 576px) {
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px 25px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}