/* 
* Depasprece - Public Speaking Courses in Canada
* Main Stylesheet
* Author: Depasprece Web Team
*/

/* ======================================================
   Table of Contents:
   1. CSS Variables
   2. Base Styles & Typography
   3. Layout & Grid
   4. Header & Navigation
   5. Hero Section
   6. Section Styles
   7. Buttons & CTAs
   8. Cards & Content Blocks
   9. Forms
   10. Testimonials & Quotes
   11. Footer
   12. Blog & Article Styles
   13. Legal Pages
   14. Thank You Page
   15. Media Queries & Responsive Styles
   16. Animations
   17. Utility Classes
   ====================================================== */

/* ====== 1. CSS Variables ====== */
:root {
    /* Primary Colors */
    --primary-color: #4e57d4;
    --primary-dark: #394090;
    --primary-light: #7c83e7;
    
    /* Secondary Colors */
    --secondary-color: #ff6b35;
    --secondary-dark: #e54e1b;
    --secondary-light: #ff9270;
    
    /* Neutral Colors */
    --dark: #2c2f3e;
    --medium-dark: #5a5d6e;
    --medium: #91949f;
    --medium-light: #c7c9d3;
    --light: #f4f5f9;
    --white: #ffffff;
    
    /* Status Colors */
    --success: #32d296;
    --warning: #faa05a;
    --danger: #f04848;
    --info: #4ebfd4;
    
    /* Typography */
    --heading-font: 'Montserrat', sans-serif;
    --body-font: 'Open Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Borders & Shadows */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --box-shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.15);
    
    /* Container Widths */
    --container-width: 1200px;
    --container-width-narrow: 900px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}



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

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

body {
    font-family: var(--body-font);
    font-weight: 400;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.25rem;
}

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

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

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

img, svg {
    max-width: 100%;
    height: auto;
}

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

/* ====== 3. Layout & Grid ====== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-narrow {
    max-width: var(--container-width-narrow);
}

.section-padding {
    padding: var(--spacing-xl) 0;
}

.bg-light {
    background-color: var(--light);
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -1rem;
}

.col {
    flex: 1;
    padding: 0 1rem;
}

/* ====== 4. Header & Navigation ====== */
.site-header {
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    max-width: 180px;
}

.logo img {
    height: 50px;
    width: auto;
}

.main-nav {
    position: relative;
}

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

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

.nav-list a {
    color: var(--medium-dark);
    font-weight: 500;
    text-decoration: none;
    padding: var(--spacing-xs) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary-color);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-medium);
}

.nav-list a:hover::after,
.nav-list a.active::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--dark);
    margin: 5px 0;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
}

/* ====== 5. Hero Section ====== */
.hero-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light);
    overflow: hidden;
}

.hero-section .container {
    display: flex;
    align-items: center;
}

.hero-content {
    flex: 1;
    padding-right: var(--spacing-lg);
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-section h1 {
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.hero-section p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--medium-dark);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* ====== 6. Section Styles ====== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

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

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--medium-dark);
    max-width: 700px;
    margin: 0 auto;
}

.about-section .about-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    text-align: center;
}

.about-features {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.feature {
    flex: 1;
    text-align: center;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-sm);
}

.feature h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.courses-section .courses-grid {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.course-card {
    flex: 1;
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.course-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.course-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.course-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-sm);
}

.course-features {
    list-style-type: none;
    padding: 0;
    margin: var(--spacing-sm) 0;
    text-align: left;
}

.course-features li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: 28px;
}

.course-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
}

.courses-image {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ====== 7. Buttons & CTAs ====== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-family: var(--heading-font);
    font-weight: 600;
    text-align: center;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-medium);
    text-decoration: none;
    border: 2px solid transparent;
}

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

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

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
    border-color: var(--secondary-color);
}

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

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

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

.btn-full {
    width: 100%;
    display: block;
}

/* ====== 8. Cards & Content Blocks ====== */
.blog-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.blog-card {
    flex: 1 1 calc(50% - var(--spacing-md));
    min-width: 280px;
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.blog-image {
    height: 200px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-image img {
    transform: scale(1.05);
}

.blog-content {
    padding: var(--spacing-md);
}

.blog-card h3, 
.blog-card h2 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.blog-card:hover h3,
.blog-card:hover h2 {
    color: var(--primary-color);
}

.blog-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--medium);
    font-size: 0.9rem;
}

.read-more {
    display: inline-block;
    margin-top: var(--spacing-sm);
    color: var(--primary-color);
    font-weight: 600;
    position: relative;
}

.read-more::after {
    content: '→';
    margin-left: var(--spacing-xs);
    transition: transform var(--transition-fast);
}

.read-more:hover::after {
    transform: translateX(5px);
}

.blog-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ====== 9. Forms ====== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--medium-dark);
    font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--medium-light);
    border-radius: var(--border-radius-sm);
    background-color: var(--white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(78, 87, 212, 0.15);
    outline: none;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
}

.checkbox-group input[type="checkbox"] {
    margin-right: var(--spacing-xs);
    margin-top: 0.3rem;
}

.error-message {
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: none;
}

.contact-section .contact-content {
    display: flex;
    gap: var(--spacing-lg);
}

.contact-info {
    flex: 1;
}

.contact-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.contact-item {
    flex: 1 1 calc(33.333% - var(--spacing-md));
    min-width: 200px;
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.subscription-form-container {
    flex: 1;
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.form-header h3 {
    font-size: 1.5rem;
}

.social-links {
    margin-top: var(--spacing-md);
}

.social-links h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

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

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--white);
    color: var(--primary-color);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

/* ====== 10. Testimonials & Quotes ====== */
.testimonials-section {
    position: relative;
}

.testimonials-slider {
    position: relative;
    overflow: hidden;
}

.testimonial {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
}

blockquote {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--medium-dark);
    margin-bottom: var(--spacing-sm);
}

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

cite {
    font-style: normal;
    font-weight: 600;
    color: var(--dark);
}

.testimonial-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--spacing-md);
}

.prev-testimonial,
.next-testimonial {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.prev-testimonial:hover,
.next-testimonial:hover {
    color: var(--primary-dark);
}

.testimonial-dots {
    display: flex;
    gap: var(--spacing-xs);
    margin: 0 var(--spacing-sm);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--medium-light);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.dot.active,
.dot:hover {
    background-color: var(--primary-color);
}

/* ====== 11. Footer ====== */
.site-footer {
    background-color: var(--dark);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    flex: 2;
    min-width: 300px;
}

.footer-logo {
    height: 40px;
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    flex: 3;
    display: flex;
    gap: var(--spacing-lg);
}

.footer-column {
    flex: 1;
    min-width: 150px;
}

.footer-column h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: var(--medium-light);
    transition: color var(--transition-fast);
}

.footer-column a:hover,
.footer-column a.active {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: var(--medium-light);
}

/* ====== 12. Blog & Article Styles ====== */
.blog-header-section {
    background-color: var(--light);
    padding: var(--spacing-xl) 0;
    display: flex;
    align-items: center;
}

.blog-header-content {
    width: 60%;
}

.blog-header-image {
    width: 40%;
    text-align: center;
}

.blog-grid-section {
    padding-top: var(--spacing-lg);
}

.article-container {
    max-width: var(--container-width-narrow);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.article-header {
    margin-bottom: var(--spacing-lg);
}

.article-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--medium);
    font-size: 0.9rem;
}

.article-header h1 {
    margin-bottom: var(--spacing-md);
}

.article-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.author-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light);
    color: var(--primary-color);
}

.author-info h3 {
    margin-bottom: 0;
    font-size: 1.1rem;
}

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

.article-featured-image {
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.article-featured-image img {
    width: 100%;
    height: auto;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.7;
}

.article-intro {
    font-size: 1.25rem;
    color: var(--medium-dark);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.article-content h2 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    font-size: 2rem;
}

.article-content h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    font-size: 1.5rem;
}

.article-content h4 {
    margin-top: var(--spacing-sm);
    font-size: 1.25rem;
}

.article-cta {
    margin: var(--spacing-lg) 0;
    text-align: center;
}

.article-share {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--medium-light);
}

.article-share h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

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

.social-share-buttons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--light);
    color: var(--medium-dark);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.social-share-buttons a:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.related-articles {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--medium-light);
}

.related-articles h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.related-articles-grid {
    display: flex;
    gap: var(--spacing-md);
}

.related-article {
    flex: 1;
    background-color: var(--light);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    padding: var(--spacing-sm);
    transition: transform var(--transition-medium);
}

.related-article:hover {
    transform: translateY(-5px);
}

.related-article img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-sm);
}

.related-article h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.subscribe-section {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.subscribe-content h2 {
    margin-bottom: var(--spacing-sm);
}

.subscribe-content p {
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ====== 13. Legal Pages ====== */
.legal-header-section {
    background-color: var(--light);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.legal-header-section h1 {
    margin-bottom: var(--spacing-xs);
}

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

.legal-content-section {
    padding: var(--spacing-lg) 0;
}

.legal-content {
    max-width: var(--container-width-narrow);
    margin: 0 auto;
}

.legal-content h2 {
    margin-top: var(--spacing-lg);
    font-size: 1.75rem;
}

.legal-content h3 {
    margin-top: var(--spacing-md);
    font-size: 1.25rem;
}

.legal-content p, 
.legal-content ul, 
.legal-content ol {
    margin-bottom: var(--spacing-md);
}

.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-md);
}

.cookie-table th, 
.cookie-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--medium-light);
}

.cookie-table th {
    background-color: var(--light);
    font-weight: 600;
}

address {
    font-style: normal;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

/* ====== 14. Thank You Page ====== */
.thank-you-section {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.thank-you-content {
    max-width: 700px;
    margin: 0 auto;
}

.thank-you-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    color: var(--success);
}

.thank-you-section h1 {
    margin-bottom: var(--spacing-md);
}

.thank-you-section p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
}

.next-steps {
    background-color: var(--light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.next-steps h2 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.next-steps ul {
    padding-left: var(--spacing-md);
}

.thank-you-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.thank-you-image {
    max-width: 300px;
    margin: var(--spacing-lg) auto 0;
}

/* ====== 15. Media Queries & Responsive Styles ====== */
@media (max-width: 1024px) {
    .hero-section .container,
    .about-section .about-content {
        flex-direction: column;
    }
    
    .hero-content,
    .about-text {
        padding-right: 0;
        margin-bottom: var(--spacing-lg);
    }
    
    .courses-grid {
        flex-direction: column;
    }
    
    .course-card.featured {
        transform: none;
    }
    
    .course-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .contact-section .contact-content {
        flex-direction: column;
    }
    
    .blog-header-content,
    .blog-header-image {
        width: 100%;
        text-align: center;
    }
    
    .blog-header-content {
        margin-bottom: var(--spacing-md);
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-list {
        position: absolute;
        top: 100%;
        right: 0;
        width: 250px;
        background-color: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--box-shadow);
        border-radius: var(--border-radius-md);
        transform: translateY(20px);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition-medium), opacity var(--transition-medium), visibility var(--transition-medium);
    }
    
    .nav-list.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list li {
        margin: var(--spacing-xs) 0;
    }
    
    .about-features,
    .blog-grid,
    .related-articles-grid {
        flex-direction: column;
    }
    
    .contact-details,
    .thank-you-cta {
        flex-direction: column;
    }
    
    .article-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .thank-you-cta .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .section-padding {
        padding: var(--spacing-lg) 0;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .testimonial {
        padding: var(--spacing-sm);
    }
    
    .article-author {
        flex-direction: column;
        text-align: center;
    }
    
    .author-image {
        margin: 0 auto var(--spacing-xs);
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* ====== 16. Animations ====== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.animated-svg {
    animation: pulse 5s infinite ease-in-out;
}

/* ====== 17. Utility Classes ====== */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

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

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

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

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

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

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}