/* 
 * Nectar Destinations - Main Stylesheet
 * Pure HTML, CSS, JavaScript implementation
 */

/* ===== BASE STYLES ===== */

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

:root {
    /* Color Variables */
    --primary-color: #D3302F;
    --primary-dark: #b82826;
    --secondary-color: #D4AF37;
    --secondary-light: #e9d07c;
    --accent-color: #45B5C4;
    --accent-light: #7fd4e0;
    --white: #FFFFFF;
    --off-white: #F5F5F5;
    --light-gray: #EEEEEE;
    --medium-gray: #999999;
    --dark-gray: #333333;
    --black: #000000;
    
    /* Typography */
    --heading-font: 'Playfair Display', serif;
    --body-font: 'Poppins', sans-serif;
    --decorative-font: 'Tangerine', cursive;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-full: 50%;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.15);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-gray);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Buttons */
.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    font-family: var(--body-font);
    font-weight: 500;
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.cta-button:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.cta-button.secondary {
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

.cta-button.secondary:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

.submit-button {
    display: inline-block;
    width: 100%;
    background-color: var(--primary-color);
    color: var(--white);
    font-family: var(--body-font);
    font-weight: 500;
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.submit-button:hover {
    background-color: var(--primary-dark);
}

/* Section Styles */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--secondary-color);
}

.section-header p {
    color: var(--medium-gray);
}

/* ===== HEADER STYLES ===== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

#header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-sm);
}

.logo h1 {
    font-size: 1.5rem;
    margin-bottom: 0;
    color: var(--primary-color);
}

.logo h1 span {
    color: var(--secondary-color);
}

.desktop-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
}

.desktop-nav ul li {
    margin: 0 var(--spacing-sm);
}

.desktop-nav ul li a {
    color: var(--dark-gray);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.desktop-nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.desktop-nav ul li a:hover::after,
.desktop-nav ul li a.active::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-gray);
    cursor: pointer;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
    z-index: 1001;
    transition: right 0.3s ease, opacity 0.3s ease;
    
    /* Fixes */
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

.mobile-nav.active {
    right: 0;
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
}


.close-menu {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    color: var(--dark-gray);
    cursor: pointer;
}

.mobile-nav ul {
    list-style: none;
    margin: var(--spacing-xl) 0;
}

.mobile-nav ul li {
    margin-bottom: var(--spacing-md);
}

.mobile-nav ul li a {
    color: var(--dark-gray);
    font-size: 1.2rem;
    font-weight: 500;
}

.mobile-cta {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* ===== HERO SECTION ===== */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background-image: url('../images/hero/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px; /* Account for fixed header */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: auto;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.hero-content h1 span {
    color: var(--secondary-color);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 2;
}

/* Animation Classes */
.animate-fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.animate-fade-in-delay {
    opacity: 0;
    animation: fadeIn 1s ease 0.3s forwards;
}

.animate-fade-in-delay-2 {
    opacity: 0;
    animation: fadeIn 1s ease 0.6s forwards;
}

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

/* ===== ABOUT SECTION ===== */
.about-section {
    background-color: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-image {
    position: relative;
}

.image-decoration {
    position: absolute;
    border-radius: var(--border-radius-full);
    z-index: 1;
}

.circle-1 {
    width: 100px;
    height: 100px;
    background-color: rgba(69, 181, 196, 0.2);
    top: -20px;
    left: -20px;
}

.circle-2 {
    width: 120px;
    height: 120px;
    background-color: rgba(212, 175, 55, 0.2);
    bottom: -20px;
    right: -20px;
}

.about-img-container {
    position: relative;
    z-index: 2;
    height: 400px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background-image: url('../images/about/about-image.jpg');
    background-size: cover;
    background-position: center;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.about-content h2 span {
    color: var(--primary-color);
}

.feature-points {
    margin-top: var(--spacing-lg);
}

.feature {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-full);
    background-color: rgba(211, 48, 47, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-right: var(--spacing-sm);
}

.feature-text h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.feature-text p {
    color: var(--medium-gray);
    margin-bottom: 0;
}

/* ===== SERVICES SECTION ===== */
.services-section {
    background-color: var(--off-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-full);
    background-color: rgba(211, 48, 47, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-md);
}

.service-link {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
}

.service-link i {
    font-size: 0.75rem;
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.service-link:hover i {
    transform: translateX(5px);
}

/* ===== GALLERY SECTION ===== */
.gallery-section {
    background-color: var(--white);
}

.gallery-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.filter-btn {
    background-color: var(--light-gray);
    color: var(--dark-gray);
    border: none;
    border-radius: 50px;
    padding: 0.5rem 1.25rem;
    margin: 0.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

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

.gallery-image {
    position: relative;
    height: 300px;
    background-size: cover;
    background-position: center;
    cursor: pointer;
    transition: transform 0.5s ease;
}

.gallery-item:nth-child(1) .gallery-image {
    background-image: url('../images/gallery/gallery-1.jpg');
}

.gallery-item:nth-child(2) .gallery-image {
    background-image: url('../images/gallery/gallery-2.jpg');
}

.gallery-item:nth-child(3) .gallery-image {
    background-image: url('../images/gallery/gallery-3.jpg');
}

.gallery-item:nth-child(4) .gallery-image {
    background-image: url('../images/gallery/gallery-4.jpg');
}

.gallery-item:nth-child(5) .gallery-image {
    background-image: url('../images/gallery/gallery-5.jpg');
}

.gallery-item:nth-child(6) .gallery-image {
    background-image: url('../images/gallery/gallery-6.jpg');
}

.gallery-item:nth-child(7) .gallery-image {
    background-image: url('../images/gallery/gallery-7.jpg');
}

.gallery-item:nth-child(8) .gallery-image {
    background-image: url('../images/gallery/gallery-8.jpg');
}

.gallery-item:nth-child(9) .gallery-image {
    background-image: url('../images/gallery/gallery-9.jpg');
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.3), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.gallery-overlay h3 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.gallery-overlay p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1002;
    justify-content: center;
    align-items: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 80%;
    max-height: 80%;
}

.close-lightbox {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
}

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    border: 5px solid var(--white);
    border-radius: var(--border-radius-sm);
}

.lightbox-caption {
    color: var(--white);
    text-align: center;
    padding: var(--spacing-sm) 0;
    font-size: 1.1rem;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
    background-color: var(--off-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.testimonial-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.client-image {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius-full);
    margin: 0 auto var(--spacing-sm);
    overflow: hidden;
    border: 4px solid rgba(212, 175, 55, 0.2);
    background-size: cover;
    background-position: center;
}

.testimonial-card:nth-child(1) .client-image {
    background-image: url('../images/testimonials/testimonial-1.jpg');
}

.testimonial-card:nth-child(2) .client-image {
    background-image: url('../images/testimonials/testimonial-2.jpg');
}

.testimonial-card:nth-child(3) .client-image {
    background-image: url('../images/testimonials/testimonial-3.jpg');
}

.rating {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.testimonial-card blockquote {
    font-style: italic;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
}

.client-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.client-info p {
    color: var(--medium-gray);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Statistics */
.statistics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--medium-gray);
}

/* ===== CTA SECTION ===== */
.cta-section {
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/hero/cta-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta-section h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    background-color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact-form-container {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.contact-form-container h3 {
    margin-bottom: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius-md);
    font-family: var(--body-font);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(211, 48, 47, 0.1);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-info-container {
    background-color: var(--off-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.contact-info-container h3 {
    margin-bottom: var(--spacing-md);
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.info-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-full);
    background-color: rgba(211, 48, 47, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-right: var(--spacing-sm);
}

.info-text h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.info-text p {
    color: var(--medium-gray);
    margin-bottom: 0;
}

.social-media {
    background-color: var(--off-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.social-media h3 {
    margin-bottom: var(--spacing-md);
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-full);
    background-color: rgba(211, 48, 47, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-about h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-about h3 span {
    color: var(--secondary-color);
}

.footer-about p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    color: var(--medium-gray);
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.footer-social a:hover {
    color: var(--white);
}

.footer-links h4,
.footer-services h4,
.footer-newsletter h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.footer-links ul,
.footer-services ul {
    list-style: none;
    margin: 0;
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: 0.5rem;
}

.footer-links ul li a,
.footer-services ul li a {
    color: var(--medium-gray);
    transition: color 0.3s ease;
}

.footer-links ul li a:hover,
.footer-services ul li a:hover {
    color: var(--white);
}

.footer-newsletter p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-sm);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    padding: 0.75rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--medium-gray);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-family: var(--body-font);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.newsletter-form button {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-md);
    padding: 0.75rem;
    font-family: var(--body-font);
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.newsletter-form button:hover {
    background-color: var(--primary-dark);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    color: var(--medium-gray);
    margin-bottom: 0;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-bottom-links a {
    color: var(--medium-gray);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: var(--white);
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-full);
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

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

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

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.mb-5 {
    margin-bottom: var(--spacing-xl);
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: var(--spacing-xs);
}

.mt-2 {
    margin-top: var(--spacing-sm);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

.mt-5 {
    margin-top: var(--spacing-xl);
}