/* Base Styles */
:root {
    --primary-color: #000000;
    --secondary-color: #ffffff;
    --accent-color: #f8f9fa;
    --text-color: #333333;
    --text-muted: #6c757d;
    --transition: all 0.3s ease;
    --gradient: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    --box-shadow-hover: 0 15px 30px rgba(0, 0, 0, 0.1);
    --border-radius: 0;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-color);
    overflow-x: hidden;
    padding-top: 80px;
    position: relative;
    line-height: 1.7;
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    opacity: 1;
    visibility: visible;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader .spinner-border {
    width: 3.5rem;
    height: 3.5rem;
    color: var(--primary-color);
    border-width: 0.25rem;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--text-color);
    color: var(--secondary-color);
    transform: translateY(-5px);
}

/* Top Bar */
.top-bar {
    font-size: 0.875rem;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 8px 0;
}

.top-bar a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
}

.top-bar a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.top-bar .social-links a {
    margin-left: 15px;
    font-size: 1rem;
}

/* Cookie Consent Banner */
.cookie-consent-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.95);
    color: var(--secondary-color);
    padding: 15px 0;
    z-index: 9999;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.cookie-consent-banner p {
    margin-bottom: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

.cookie-consent-banner .btn {
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    margin-left: 10px;
}

/* Form Styles */
.form-control:focus, 
.form-select:focus,
.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

.form-control, 
.form-select {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid #e0e0e0;
    transition: var(--transition);
    height: auto;
}

.form-control:focus, 
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(0, 0, 0, 0.1);
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-size: 0.85rem;
}

.btn-dark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-dark:hover {
    background-color: #333;
    border-color: #333;
    color: var(--secondary-color);
}

.btn-outline-light:hover {
    color: var(--primary-color);
    background-color: var(--secondary-color);
}

/* Alert Messages */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.alert-dismissible .btn-close {
    padding: 1rem;
}

/* Section Headings */
.section-title {
    position: relative;
    margin-bottom: 3rem;
    text-align: center;
}

.section-title h2 {
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.3;
}

a {
    text-decoration: none;
    transition: var(--transition);
    color: var(--primary-color);
}

a:hover {
    color: var(--text-muted);
}

/* Navigation */
.navbar {
    padding: 15px 0;
    transition: var(--transition);
}

.navbar-brand {
    font-family: 'Playfair Display', serif;
    letter-spacing: 1px;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: relative;
    color: var(--text-color);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 1rem;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: calc(100% - 2rem);
}

.navbar-nav .nav-link.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/headers/bg.jpeg') no-repeat center center/cover;
    background-attachment: fixed;
    color: var(--secondary-color);
    position: relative;
    margin-top: -80px;
}

.hero-section h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-section .btn {
    padding: 0.8rem 2rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    border-radius: 0;
    padding: 0.7rem 1.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
    transition: var(--transition);
}

.btn-dark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-dark:hover {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-dark {
    border-width: 2px;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-dark:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border-color: var(--primary-color);
}

/* Section Headings */
.section-title {
    position: relative;
    margin-bottom: 3rem;
    text-align: center;
}

.section-title h2 {
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 70px;
    height: 3px;
    background-color: var(--primary-color);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.section-title p {
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
}

/* Cards */
.card {
    border: none;
    border-radius: 0;
    transition: var(--transition);
    overflow: hidden;
    margin-bottom: 30px;
    background-color: var(--secondary-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.card-img-top {
    border-radius: 0;
}

.card-body {
    padding: 2rem;
}

/* Gallery */
.gallery-section {
    padding: 100px 0;
    background-color: var(--accent-color);
}

.gallery-filters {
    margin-bottom: 40px;
    text-align: center;
}

.gallery-filters button {
    background: none;
    border: none;
    color: var(--text-color);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 8px 20px;
    margin: 0 5px 10px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    font-size: 0.85rem;
}

.gallery-filters button::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    transition: var(--transition);
}

.gallery-filters button:hover,
.gallery-filters button.active {
    color: var(--primary-color);
}

.gallery-filters button.active::after {
    width: 60%;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin: 0;
    padding: 0;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

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

.gallery-zoom {
    color: var(--secondary-color);
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    background-color: var(--primary-color);
    border-radius: 50%;
    transition: var(--transition);
}

.gallery-item:hover .gallery-zoom {
    transform: scale(1.1);
}

/* Team Section */
.team-section {
    padding: 100px 0;
    background-color: var(--secondary-color);
}

.team-member {
    position: relative;
    margin-bottom: 30px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-hover);
}

.team-img {
    position: relative;
    overflow: hidden;
}

.team-img img {
    width: 100%;
    height: auto;
    transition: var(--transition);
}

.team-member:hover .team-img img {
    transform: scale(1.05);
}

.team-social {
    position: absolute;
    bottom: -50px;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    padding: 15px 0;
    text-align: center;
    transition: var(--transition);
}

.team-member:hover .team-social {
    bottom: 0;
}

.team-social a {
    display: inline-block;
    width: 35px;
    height: 35px;
    line-height: 35px;
    color: var(--secondary-color);
    background-color: var(--primary-color);
    border-radius: 50%;
    margin: 0 5px;
    transition: var(--transition);
}

.team-social a:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.team-info {
    padding: 25px 20px;
    text-align: center;
    background-color: var(--secondary-color);
}

.team-info h4 {
    margin-bottom: 5px;
    font-weight: 700;
}

.team-info p {
    color: var(--text-muted);
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background-color: var(--accent-color);
}

.contact-info {
    margin-bottom: 40px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-right: 15px;
    border-radius: 50%;
    flex-shrink: 0;
}

.contact-info-text h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-info-text p, 
.contact-info-text a {
    color: var(--text-muted);
    margin-bottom: 0;
    display: block;
    text-decoration: none;
    transition: var(--transition);
}

.contact-info-text a:hover {
    color: var(--primary-color);
}

.contact-form {
    background-color: var(--secondary-color);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.contact-form .form-control {
    margin-bottom: 20px;
    background-color: #f9f9f9;
    border: 1px solid #eee;
}

.contact-form textarea.form-control {
    height: 150px;
    resize: none;
}

.map-container {
    height: 400px;
    margin-top: 50px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(100%);
    transition: var(--transition);
}

.map-container iframe:hover {
    filter: grayscale(0%);
}

/* Appointment Section */
.appointment-section {
    padding: 100px 0;
    background-color: var(--secondary-color);
}

.appointment-section .container {
    max-width: 1140px;
    margin: 0 auto;
}

.appointment-form {
    background-color: var(--accent-color);
    padding: 50px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    height: 100%;
}

.appointment-form .form-control,
.appointment-form .form-select {
    background-color: var(--secondary-color);
    border: 1px solid #eee;
    margin-bottom: 20px;
}

.appointment-form textarea.form-control {
    height: 120px;
    resize: none;
}

.appointment-info {
    padding-left: 30px;
}

.appointment-info-card {
    background-color: var(--accent-color);
    padding: 30px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.appointment-info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.appointment-info-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: inline-block;
}

.appointment-info-card h4 {
    margin-bottom: 15px;
    font-weight: 700;
}

.appointment-info-card p {
    color: var(--text-muted);
    margin-bottom: 0;
}

.working-hours {
    margin-top: 40px;
}

.working-hours h4 {
    margin-bottom: 20px;
    font-weight: 700;
}

.working-hours ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.working-hours li {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.working-hours li:last-child {
    border-bottom: none;
}

.working-hours .day {
    font-weight: 500;
}

.working-hours .time {
    color: var(--text-muted);
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
    background-color: var(--accent-color);
}

.faq-accordion .accordion-item {
    border: none;
    margin-bottom: 15px;
    border-radius: var(--border-radius) !important;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.faq-accordion .accordion-button {
    font-weight: 600;
    padding: 20px 25px;
    background-color: var(--secondary-color);
    color: var(--text-color);
    box-shadow: none;
}

.faq-accordion .accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.faq-accordion .accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23333'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    transition: var(--transition);
}

.faq-accordion .accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23fff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.faq-accordion .accordion-body {
    padding: 20px 25px;
    background-color: var(--secondary-color);
    color: var(--text-muted);
}

/* Responsive Styles */
@media (max-width: 991.98px) {
    .appointment-info {
        padding-left: 0;
        margin-top: 50px;
    }
    
    .appointment-form {
        padding: 30px;
        margin-bottom: 30px;
    }
    
    .contact-form {
        margin-top: 40px;
    }
}

@media (max-width: 767.98px) {
    .section-title h2 {
        font-size: 2rem;
    }
    
    .gallery-filters button {
        padding: 6px 15px;
        font-size: 0.8rem;
        margin: 0 3px 8px;
    }
    
    .contact-form,
    .appointment-form {
        padding: 30px 20px;
        max-width: 100%;
    }
}

@media (max-width: 575.98px) {
    .section-title h2 {
        font-size: 1.75rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .contact-info-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-info-icon {
        margin: 0 auto 15px;
    }
}

.gallery-item {
    padding: 0 10px;
    margin-bottom: 20px;
}

.gallery-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.gallery-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.gallery-content {
    text-align: center;
    color: var(--secondary-color);
    padding: 20px;
    transform: translateY(20px);
    transition: var(--transition);
}

.gallery-card:hover .gallery-content {
    transform: translateY(0);
}

.gallery-zoom {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 50%;
    margin-top: 15px;
    transition: var(--transition);
}

.gallery-zoom:hover {
    background: var(--primary-color);
    color: var(--secondary-color);
    transform: scale(1.1);
}

/* Team */
.team-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--secondary-color);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    height: 100%;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.team-img {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 25px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid var(--accent-color);
}

.team-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.team-social {
    position: absolute;
    bottom: -50px;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
    padding: 15px 0;
    transition: var(--transition);
    opacity: 0;
}

.team-card:hover .team-social {
    bottom: 0;
    opacity: 1;
}

.team-social a {
    color: var(--secondary-color);
    margin: 0 5px;
    width: 35px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.team-social a:hover {
    background: var(--primary-color);
    color: var(--secondary-color);
}

/* Contact Form */
.contact-form .form-control {
    height: 55px;
    border: 1px solid #e1e1e1;
    border-radius: 0;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--text-color);
    transition: var(--transition);
}

.contact-form .form-control:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

.contact-form textarea.form-control {
    height: 150px;
    resize: none;
    padding-top: 20px;
}

.contact-info i {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

/* Map */
.map-container iframe {
    width: 100%;
    border: 0;
    filter: grayscale(100%) contrast(1.2) brightness(0.9);
}

/* Appointment Form */
.appointment-form .form-select {
    height: 55px;
    border: 1px solid #e1e1e1;
    border-radius: 0;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--text-color);
    transition: var(--transition);
}

.appointment-form .form-select:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

.time-slot {
    display: inline-block;
    padding: 8px 15px;
    margin: 0 10px 10px 0;
    border: 1px solid #e1e1e1;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.time-slot:hover,
.time-slot.active {
    background: var(--primary-color);
    color: var(--secondary-color);
    border-color: var(--primary-color);
}

/* Testimonials */
.testimonial-item {
    background-color: var(--secondary-color);
    padding: 2rem;
    border-radius: 5px;
    margin-bottom: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.testimonial-item img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 1.5rem;
}

.testimonial-item p {
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-item h5 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.testimonial-item .designation {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Footer */
footer {
    background-color: #1a1a1a;
    color: var(--secondary-color);
    padding: 5rem 0 2rem;
}

footer h5 {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 1rem;
}

footer h5::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: var(--secondary-color);
}

footer ul li {
    margin-bottom: 0.75rem;
}

footer ul li a {
    color: #adb5bd;
    transition: var(--transition);
}

footer ul li a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--secondary-color);
    margin-right: 10px;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
}

/* Responsive Styles */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: var(--secondary-color);
        padding: 1rem;
        margin-top: 1rem;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section p {
        font-size: 1.1rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
}

@media (max-width: 767.98px) {
    .hero-section {
        text-align: center;
        padding: 120px 0 100px;
    }
    
    .hero-section .btn {
        display: block;
        margin: 0 auto 1rem;
        max-width: 250px;
    }
    
    .section-title h2 {
        font-size: 1.75rem;
    }
    
    footer {
        text-align: center;
    }
    
    footer h5::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .social-links {
        justify-content: center;
        margin-top: 2rem;
    }
}

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}