/* CSS Reset and Normalize */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
	display: block;
}

body {
	line-height: 1;
}

ol, ul {
	list-style: none;
}

blockquote, q {
	quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}

table {
	border-collapse: collapse;
	border-spacing: 0;
}

* {
    box-sizing: border-box;
}

/* Modern Typography and Base Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fafafa;
    font-size: 16px;
}

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.tagline {
    font-size: 0.9rem;
    opacity: 0.9;
    font-style: italic;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

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

.nav-menu a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.hero-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #2c3e50;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #555;
    line-height: 1.7;
}

.cta-button {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.3);
}

.hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* About Section */
.about-section {
    padding: 5rem 0;
    background: white;
}

.about-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
    font-weight: 700;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.about-text h3 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem 0;
    color: #2c3e50;
    font-weight: 600;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.feature {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid #3498db;
}

.feature h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 600;
}

.feature p {
    color: #666;
    font-size: 0.95rem;
}

/* Current Exhibition */
.current-exhibition {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.current-exhibition h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
    font-weight: 700;
}

.exhibition-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.exhibition-info p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: #555;
}

.exhibition-details h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
    font-weight: 600;
}

.exhibition-details ul {
    list-style: none;
    padding: 0;
}

.exhibition-details li {
    padding: 0.5rem 0;
    color: #666;
    border-bottom: 1px solid #eee;
}

.exhibition-gallery {
    display: grid;
    gap: 1rem;
}

.exhibition-gallery img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Survey Section */
.survey-section {
    padding: 5rem 0;
    background: white;
}

.survey-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
    font-weight: 700;
}

.survey-section > p {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 3rem;
    color: #666;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.survey-form {
    max-width: 800px;
    margin: 0 auto;
}

.question {
    margin-bottom: 3rem;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 15px;
    border: 1px solid #e9ecef;
}

.question h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
    font-weight: 600;
}

.options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.option-btn {
    background: white;
    border: 2px solid #dee2e6;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-weight: 500;
    color: #495057;
}

.option-btn:hover {
    border-color: #3498db;
    background: #f1f8ff;
    transform: translateY(-2px);
}

.option-btn.selected {
    background: #3498db;
    color: white;
    border-color: #2980b9;
}

.submit-btn {
    background: linear-gradient(135deg, #27ae60, #2ecc71);
    color: white;
    border: none;
    padding: 1rem 3rem;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    display: block;
    margin: 3rem auto 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(39, 174, 96, 0.3);
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #95a5a6;
}

/* SEO Content Hidden */
.seo-content {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .exhibition-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .navigation {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        gap: 1rem;
    }

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

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 1.5rem;
    }

    .about-section h2,
    .current-exhibition h2,
    .survey-section h2 {
        font-size: 2rem;
    }
}