/* General Body Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: #f4f7f6;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container for content */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Styles */
header {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

header h1 {
    margin: 0;
    font-size: 2.2em;
    font-weight: 700;
    letter-spacing: 1px;
}

header h1 a {
    color: #ecf0f1;
    text-decoration: none;
}

/* Navigation Styles */
nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: #ecf0f1;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1em;
    transition: color 0.3s ease, transform 0.3s ease;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: #3498db;
    left: 0;
    bottom: -5px;
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

nav ul li a:hover {
    color: #3498db;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.pexels.com/photos/1184649/pexels-photo-1184649.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1') no-repeat center center/cover;
    color: #fff;
    text-align: center;
    padding: 100px 20px;
    position: relative;
    overflow: hidden;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
    z-index: 1;
}

.hero h2 {
    font-size: 3.8em;
    margin-bottom: 20px;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.hero p {
    font-size: 1.5em;
    margin-bottom: 40px;
    font-weight: 300;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.btn {
    display: inline-block;
    background-color: #3498db;
    color: #fff;
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.btn:hover {
    background-color: #2980b9;
    transform: translateY(-3px);
}

/* Section Styles */
section {
    padding: 60px 0;
    background-color: #fff;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

section:nth-of-type(even) {
    background-color: #f9fbfb;
}

section h2 {
    text-align: center;
    font-size: 2.8em;
    margin-bottom: 40px;
    color: #2c3e50;
    position: relative;
    padding-bottom: 15px;
}

section h2::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background-color: #3498db;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    border-radius: 2px;
}

/* Feature Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 5px solid #3498db;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-card i {
    font-size: 3em;
    color: #3498db;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.8em;
    color: #2c3e50;
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 1.1em;
    color: #555;
}

/* Call to Action Section */
.cta-section {
    background-color: #2c3e50;
    color: #ecf0f1;
    text-align: center;
    padding: 80px 20px;
    margin-top: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.cta-section h2 {
    color: #ecf0f1;
    font-size: 3em;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer Styles */
footer {
    background-color: #333;
    color: #eee;
    padding: 40px 0;
    text-align: center;
    margin-top: 40px;
}

footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 20px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links ul li {
    margin: 0 15px;
}

.footer-links ul li a {
    color: #eee;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links ul li a:hover {
    color: #3498db;
}

.social-media {
    margin-top: 20px;
}

.social-media a {
    color: #eee;
    font-size: 1.8em;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.social-media a:hover {
    color: #3498db;
}

footer p {
    margin-top: 20px;
    font-size: 0.9em;
    color: #bbb;
}

/* Forms */
.form-section {
    max-width: 700px;
    margin: 40px auto;
    padding: 40px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1em;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group input[type="date"]:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: #3498db;
    outline: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group button {
    width: 100%;
    padding: 15px;
    background-color: #28a745;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 1.2em;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.form-group button:hover {
    background-color: #218838;
    transform: translateY(-2px);
}

/* Conference Page Specific Styles */
.conference-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.conference-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.conference-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-bottom: 1px solid #eee;
}

.conference-content {
    padding: 25px;
}

.conference-content h3 {
    font-size: 2em;
    color: #2c3e50;
    margin-bottom: 10px;
}

.conference-content p {
    font-size: 1.1em;
    color: #555;
    margin-bottom: 15px;
}

.conference-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.95em;
    color: #777;
    margin-top: 15px;
    border-top: 1px solid #eee;
    padding-top: 15px;
}

.conference-meta span {
    display: flex;
    align-items: center;
}

.conference-meta i {
    margin-right: 8px;
    color: #3498db;
}

/* Information Page Specific Styles */
.info-block {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin-bottom: 30px;
}

.info-block h3 {
    font-size: 2.2em;
    color: #2c3e50;
    margin-bottom: 15px;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

.info-block p {
    font-size: 1.1em;
    color: #555;
    margin-bottom: 10px;
}

.info-block ul {
    list-style: none;
    padding: 0;
}

.info-block ul li {
    background-color: #ecf0f1;
    margin-bottom: 10px;
    padding: 12px 15px;
    border-left: 4px solid #3498db;
    border-radius: 4px;
    font-size: 1.05em;
    color: #333;
}

.info-block ul li strong {
    color: #2c3e50;
}

/* Contact Page Specific Styles */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
    text-align: center;
}

.contact-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-bottom: 5px solid #3498db;
}

.contact-item i {
    font-size: 2.5em;
    color: #3498db;
    margin-bottom: 15px;
}

.contact-item h3 {
    font-size: 1.6em;
    color: #2c3e50;
    margin-bottom: 10px;
}

.contact-item p {
    font-size: 1.1em;
    color: #555;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-40 {
    margin-bottom: 40px;
}

/* Responsive Design */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }

    nav ul {
        margin-top: 15px;
        flex-direction: column;
        align-items: center;
    }

    nav ul li {
        margin: 10px 0;
    }

    .hero h2 {
        font-size: 2.8em;
    }

    .hero p {
        font-size: 1.2em;
    }

    section h2 {
        font-size: 2.2em;
    }

    .features-grid, .contact-info {
        grid-template-columns: 1fr;
    }

    .cta-section h2 {
        font-size: 2.2em;
    }

    .cta-section p {
        font-size: 1.1em;
    }

    .footer-links ul li {
        margin: 10px 10px;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 2em;
    }

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

    .btn {
        padding: 12px 25px;
        font-size: 1em;
    }

    section {
        padding: 40px 0;
    }

    section h2 {
        font-size: 1.8em;
    }

    .feature-card, .conference-card, .info-block, .contact-item {
        padding: 20px;
    }

    .form-section {
        padding: 25px;
    }
}