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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Header */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 a {
    color: #2c3e50;
    text-decoration: none;
    font-size: 2rem;
    font-weight: 700;
}

.navigation ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.navigation a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navigation a:hover {
    color: #3498db;
}

.language-switcher {
    display: flex;
    gap: 0.5rem;
}

.language-switcher a {
    padding: 0.5rem 1rem;
    background: #f8f9fa;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.language-switcher a.active,
.language-switcher a:hover {
    background: #3498db;
    color: white;
}

.mobile-language-switcher {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: 0.3s;
}

/* Main Content */
main {
    margin-top: 0;
}

/* Hero Section */
.hero {
    background: url('../images/notebook.jpg') center center/cover no-repeat;
    color: white;
    padding: 10rem 0 6rem 0;
    text-align: center;
    position: relative;
    width: 100%;
    min-height: calc(105vh - 80px);
    margin-top: 80px;
    display: flex;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Service Area Notice */
.service-area-notice {
    background: rgba(255, 255, 255, 0.15);
    padding: 1rem 2rem;
    border-radius: 8px;
    margin: 1.5rem auto;
    max-width: 500px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.service-area-notice p {
    margin: 0;
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

/* Services Section */
.services {
    padding: 6rem 0;
    background: #f8f9fa;
    position: relative;
}

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

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.service-card p {
    color: #666;
    line-height: 1.8;
}

/* Advantages Section */
.advantages {
    padding: 6rem 0;
}

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

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

.advantage-item {
    text-align: center;
    padding: 1.5rem;
}

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.advantage-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.advantage-item p {
    color: #666;
    line-height: 1.8;
}

/* FAQ Section */
.faq {
    padding: 6rem 0;
    background: #f8f9fa;
}

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

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question h3 {
    font-size: 1.1rem;
    color: #2c3e50;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: #3498db;
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-answer.active {
    padding: 1.5rem;
    max-height: 200px;
}

.faq-answer p {
    color: #666;
    line-height: 1.8;
}

/* Photo Gallery */
.gallery-section {
    padding: 4rem 0;
}

.gallery-section h2 {
    margin-bottom: 2.0rem;
}

.gallery-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.gallery-tab {
    padding: 0.75rem 1.5rem;
    background: #f8f9fa;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.gallery-tab.active,
.gallery-tab:hover {
    background: #3498db;
    color: white;
}

/* Ceiling tabs styling */
.ceiling-tabs {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 2rem;
    gap: 2rem;
}

.ceiling-tab {
    background: none;
    border: none;
    padding: 0.5rem 0;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 400;
    color: #666;
    position: relative;
    transition: color 0.3s ease;
}

.ceiling-tab.active {
    color: #2c3e50;
    font-weight: 500;
}

.ceiling-tab.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: #3498db;
}

.ceiling-tab:hover {
    color: #3498db;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    cursor: pointer;
    aspect-ratio: 4/3;
    background: #f8f9fa;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item .overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .overlay {
    opacity: 1;
}

.gallery-item .overlay span {
    color: white;
    font-size: 2rem;
}

/* Modal/Slider */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
}

.modal-content {
    position: relative;
    margin: auto;
    display: block;
    max-width: 700px;
    max-height: 80vh;
    width: auto;
    height: auto;
    top: 50%;
    transform: translateY(-50%);
    object-fit: contain;
    background: #222;
    border-radius: 10px;
}

.modal img {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    background: #222;
    border-radius: 10px;
}

.close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: #bbb;
}

.prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -50px;
    color: white;
    font-weight: bold;
    font-size: 20px;
    background: rgba(0,0,0,0.5);
    border-radius: 0 3px 3px 0;
    user-select: none;
    transition: 0.3s;
}

.next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

.prev:hover, .next:hover {
    background: rgba(0,0,0,0.8);
}

/* 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 h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

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

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

.footer-section a:hover {
    color: #3498db;
}

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

.social-links a {
    padding: 0.5rem 1rem;
    background: #34495e;
    border-radius: 5px;
    transition: background 0.3s ease;
    color:#fff;
    text-decoration:none;
}

.social-links a:hover {
    background: #3498db;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

/* Process Steps */
.process-steps {
    padding: 4rem 0;
    background: #f8f9fa;
}

.process-steps h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.step-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.step-number {
    width: 60px;
    height: 60px;
    background: #3498db;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step-item h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.step-item p {
    color: #666;
    line-height: 1.8;
}

/* Contact Page */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

/* Feedback Form */
.feedback-form-container {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.feedback-form-container h3 {
    margin-bottom: 1.5rem;
    color: #2c3e50;
    font-size: 1.5rem;
}

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

.feedback-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.feedback-form input,
.feedback-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.feedback-form input:focus,
.feedback-form textarea:focus {
    outline: none;
    border-color: #3498db;
}

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

.btn-submit {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: #34495e;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 400;
    cursor: pointer;
    transition: background 0.3s ease;
    width: 100%;
}

.btn-submit:hover {
    background: #3498db;
}

.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1.5rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}