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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

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

.nav-logo h2 {
    color: #2c3e50;
    font-size: 1.8rem;
    font-weight: 700;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    white-space: nowrap;
}

.nav-link:hover {
    color: #3498db;
}

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

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: #f8f9fa;
    color: #2c3e50;
    position: relative;
    padding-top: 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: #2c3e50;
}

.highlight {
    color: #6c757d;
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #6c757d, #495057);
    border-radius: 2px;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #666;
    line-height: 1.8;
}

.achievements {
    margin-bottom: 2rem;
}

.achievement-text {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
    text-align: center;
    font-size: 1rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: #6c757d;
    color: white;
    box-shadow: 0 2px 8px rgba(108, 117, 125, 0.3);
}

.btn-primary:hover {
    background: #495057;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108, 117, 125, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #6c757d;
    border: 2px solid #6c757d;
}

.btn-secondary:hover {
    background: #6c757d;
    color: white;
    transform: translateY(-2px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 1s ease-out;
}

.code-animation {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Courier New', monospace;
    font-size: 1rem;
    line-height: 1.6;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #f0f0f0;
    width: 100%;
    max-width: 400px;
}

.code-line {
    margin: 0.5rem 0;
    animation: typewriter 0.5s ease-in-out;
}

.code-line:nth-child(1) { animation-delay: 0.1s; }
.code-line:nth-child(2) { animation-delay: 0.3s; }
.code-line:nth-child(3) { animation-delay: 0.5s; }
.code-line:nth-child(4) { animation-delay: 0.7s; }
.code-line:nth-child(5) { animation-delay: 0.9s; }
.code-line:nth-child(6) { animation-delay: 1.1s; }

.indent { padding-left: 2rem; }
.indent-2 { padding-left: 4rem; }

.keyword { color: #e74c3c; }
.class-name { color: #3498db; }
.method { color: #9b59b6; }
.variable { color: #27ae60; }
.comment { color: #95a5a6; }

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

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    border-radius: 2px;
}

.section-title.clickable {
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.section-title.clickable:hover {
    color: #3498db;
    transform: translateY(-2px);
}

.section-title.clickable::before {
    content: '→';
    position: absolute;
    right: -30px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: all 0.3s ease;
    font-size: 1.2rem;
    color: #3498db;
}

.section-title.clickable:hover::before {
    opacity: 1;
    right: -40px;
}

.section-title.clickable {
    text-decoration: none !important;
    color: inherit !important;
}

.section-title.clickable:hover {
    text-decoration: none !important;
    color: inherit !important;
}

.about {
    padding: 150px 0;
    background: white;
    min-height: 100vh;
}

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

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #666;
    line-height: 1.8;
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-item h4 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #3498db;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: #666;
    font-weight: 500;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.image-placeholder i {
    font-size: 4rem;
    color: white;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.projects {
    padding: 100px 0;
    background: #f8f9fa;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: stretch;
}

.project-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    display: flex;
    flex-direction: column;
    height: 600px;
    align-self: stretch;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    font-size: 3rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    justify-content: space-between;
    min-height: 0;
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.project-content p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 4.8em;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    min-height: 60px;
    align-items: flex-start;
}

.tech-tag {
    background: #f8f9fa;
    color: #6c757d;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid #e9ecef;
}

.project-links {
    display: flex !important;
    gap: 1rem;
    justify-content: center !important;
    margin-top: auto;
    padding-top: 1rem;
    visibility: visible !important;
    opacity: 1 !important;
    align-items: center;
    min-height: 50px;
}

.project-link {
    color: #6c757d !important;
    text-decoration: none !important;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border: 1px solid #e9ecef !important;
    border-radius: 4px;
    background: #f8f9fa !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    visibility: visible !important;
    opacity: 1 !important;
    font-size: 0.9rem;
    min-width: 80px;
    text-align: center;
    height: 40px;
    line-height: 1;
}

.project-link:hover {
    color: #495057 !important;
    background: #e9ecef !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.project-link i {
    margin-right: 0.5rem;
}

.skills {
    padding: 150px 0;
    background: white;
    min-height: 100vh;
}

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

.skills-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
    text-align: center;
}

.skill-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.skill-item:hover {
    background: #f8f9fa;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.skill-item i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #6c757d;
}

.skill-item span {
    font-weight: 500;
    color: #2c3e50;
}

.experience {
    padding: 100px 0;
    background: #f8f9fa;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #3498db;
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-date {
    flex: 0 0 200px;
    text-align: center;
    padding: 1rem;
    background: #3498db;
    color: white;
    border-radius: 10px;
    font-weight: 600;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-content {
    flex: 1;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin: 0 2rem;
    position: relative;
    border: 1px solid #f0f0f0;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border: 15px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    left: -30px;
    border-right-color: white;
}

.timeline-item:nth-child(even) .timeline-content::before {
    right: -30px;
    border-left-color: white;
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.timeline-content h4 {
    color: #6c757d;
    margin-bottom: 1rem;
    font-weight: 600;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
}

.contact {
    padding: 100px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-content-simple {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.contact-content-simple::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2980b9, #9b59b6);
}

.contact-content-simple h3 {
    font-size: 2.8rem;
    margin-bottom: 2.5rem;
    color: #2c3e50;
    font-weight: 700;
    position: relative;
}

.contact-content-simple h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    border-radius: 2px;
}

.contact-items-simple {
    margin-bottom: 2.5rem;
}

.contact-item-simple {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    font-size: 1.2rem;
    background: white;
    padding: 1.2rem 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.contact-item-simple:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.contact-item-simple i {
    width: 40px;
    margin-right: 1.5rem;
    color: #3498db;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(52, 152, 219, 0.1);
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.contact-item-simple span {
    color: #2c3e50;
    font-weight: 500;
}

.contact-item-simple a {
    color: #2c3e50;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

.contact-item-simple a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    transition: width 0.3s ease;
}

.contact-item-simple a:hover {
    color: #3498db;
}

.contact-item-simple a:hover::after {
    width: 100%;
}

.contact-message {
    color: #666;
    font-size: 1.2rem;
    line-height: 1.8;
    margin-top: 2rem;
    font-style: italic;
    background: rgba(52, 152, 219, 0.05);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid #3498db;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.contact-info p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-items {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: #666;
}

.contact-item i {
    width: 20px;
    margin-right: 1rem;
    color: #6c757d;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 50px;
    height: 50px;
    background: #f8f9fa;
    color: #6c757d;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.social-link:hover {
    background: #e9ecef;
    color: #495057;
    transform: translateY(-2px);
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #f0f0f0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    -webkit-appearance: none;
    appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #6c757d;
}

.footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes typewriter {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1024px) {
    .hero-container {
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        gap: 2rem;
    }
    
    .stats {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        padding-top: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about {
        padding: 120px 0;
        min-height: auto;
    }
    
    .skills {
        padding: 120px 0;
        min-height: auto;
    }

    .stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: 1rem;
    }

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

    .skills-content {
        grid-template-columns: 1fr;
    }

    .skill-items {
        grid-template-columns: repeat(3, 1fr);
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: column;
        padding-left: 3rem;
    }

    .timeline-item:nth-child(even) {
        flex-direction: column;
    }

    .timeline-date {
        flex: none;
        width: 150px;
        margin-bottom: 1rem;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .timeline-content {
        margin: 0;
    }

    .timeline-content::before {
        display: none;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        justify-content: center;
    }
    
    .contact-content-simple {
        padding: 2rem;
    }
    
    .contact-content-simple h3 {
        font-size: 2.2rem;
    }
    
    .contact-item-simple {
        font-size: 1rem;
        padding: 1rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .skill-items {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .code-animation {
        padding: 1.5rem;
        font-size: 0.9rem;
    }
    
    .about {
        padding: 100px 0;
        min-height: auto;
    }
    
    .skills {
        padding: 100px 0;
        min-height: auto;
    }
    
    .hero {
        padding-top: 60px;
    }
    
    .hero-container {
        padding: 0 15px;
    }
    
    .about-content {
        padding: 0 15px;
    }
    
    .contact-content-simple {
        padding: 1.5rem;
    }
    
    .contact-content-simple h3 {
        font-size: 1.8rem;
    }
    
    .contact-item-simple {
        font-size: 0.9rem;
        padding: 0.8rem 1rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .project-content {
        padding: 1.5rem;
    }
    
    .project-content h3 {
        font-size: 1.3rem;
    }
    
    .project-content p {
        font-size: 0.9rem;
    }
}

@media (max-width: 320px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .contact-content-simple h3 {
        font-size: 1.6rem;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
}

/* 데모 서비스 예정 팝업 모달 스타일 */
.demo-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.demo-modal-content {
    background-color: #fff;
    margin: 15% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
    overflow: hidden;
}

.demo-modal-header {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.demo-modal-header h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.demo-close {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.demo-close:hover {
    opacity: 0.7;
}

.demo-modal-body {
    padding: 2rem;
    text-align: center;
}

.demo-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.demo-modal-body p {
    font-size: 1.2rem;
    color: #333;
    margin: 0.5rem 0;
    font-weight: 500;
}

.demo-sub-text {
    font-size: 1rem;
    color: #666;
    font-weight: 400;
}

.demo-modal-footer {
    padding: 1rem 2rem 2rem;
    text-align: center;
}

.demo-btn {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 100px;
}

.demo-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { 
        opacity: 0;
        transform: translateY(-50px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}