/* Base Variables */
:root {
    /* Primary Color Palette - Раздельно-дополнительная */
    --primary-color: #2A7D4F;        /* Глубокий зеленый */
    --primary-light: #4FB07A;        /* Светлый зеленый */
    --primary-dark: #1A5C38;         /* Темный зеленый */
    --secondary-color: #A64253;      /* Темно-красный */
    --secondary-light: #D86D7E;      /* Светло-красный */
    --secondary-dark: #7A2E3D;       /* Очень темный красный */
    --accent-color: #D9A566;         /* Золотистый */
    --accent-light: #F4C687;         /* Светлый золотистый */
    --accent-dark: #B7843D;          /* Темный золотистый */
    
    /* Neutral Colors */
    --dark: #333333;
    --darker: #222222;
    --light: #F5F5F5;
    --lighter: #FFFFFF;
    --mid-gray: #777777;
    --light-gray: #DDDDDD;
    
    /* Typography */
    --heading-font: 'Roboto', sans-serif;
    --body-font: 'Lato', sans-serif;
    --heading-weight: 700;
    --body-weight: 400;
    --body-weight-light: 300;
    --body-weight-bold: 700;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-round: 50%;
    
    /* Container Width */
    --container-width: 1200px;
    --container-padding: 1.5rem;
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

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

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

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

a:hover, a:focus {
    color: var(--primary-dark);
    text-decoration: underline;
}

ul {
    list-style-type: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* Buttons */
.btn, button, input[type="submit"] {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-family: var(--heading-font);
    font-weight: var(--heading-weight);
    font-size: 1rem;
    text-align: center;
    text-decoration: none;
    color: var(--lighter);
    background-color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.btn:hover, button:hover, input[type="submit"]:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

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

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

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

.btn-accent {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--darker);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 1rem 0;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

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

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo h1 {
    font-size: 1.75rem;
    margin: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 900;
}

.main-nav ul {
    display: flex;
    gap: 1.5rem;
}

.main-nav a {
    font-family: var(--heading-font);
    font-weight: 500;
    color: var(--dark);
    text-decoration: none;
    position: relative;
    padding: 0.5rem 0;
}

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

.main-nav a:hover::after,
.main-nav a:focus::after {
    width: 100%;
}

.burger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
}

.burger-menu span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--primary-color);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 12rem 0 8rem;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--lighter);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--lighter);
    font-weight: 900;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--lighter);
    font-weight: 300;
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    max-width: 600px;
    color: var(--lighter);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    margin-top: 3rem;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent-light);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--lighter);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Methodology Section */
.methodology-section {
    padding: var(--space-xl) 0;
    background-color: var(--light);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    color: var(--darker);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-light));
    margin: 0.5rem auto 0;
    border-radius: var(--radius-sm);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--mid-gray);
    margin-bottom: var(--space-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.methodology-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.step-card {
    background-color: var(--lighter);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    position: relative;
    transition: transform var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 2rem;
}

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

.step-number {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--primary-color);
    color: var(--lighter);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    z-index: 2;
}

.card-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    text-align: center;
}

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

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

.card-content {
    padding: 1.5rem;
    text-align: center;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

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

/* Case Studies Section */
.case-studies-section {
    padding: var(--space-xl) 0;
    background-color: var(--lighter);
}

.case-studies-carousel {
    position: relative;
    margin: 0 -1rem;
    padding: 0 1rem;
}

.carousel-container {
    overflow: hidden;
    padding: 1rem 0;
}

.carousel-track {
    display: flex;
    transition: transform var(--transition-medium);
    gap: 2rem;
}

.case-study-card {
    flex: 0 0 calc(100% - 2rem);
    max-width: calc(100% - 2rem);
    background-color: var(--light);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.case-metrics {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--secondary-color);
}

.metric-label {
    font-size: 0.875rem;
    color: var(--mid-gray);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.carousel-prev,
.carousel-next {
    background-color: var(--primary-color);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    font-size: 1.2rem;
    transition: background-color var(--transition-fast);
}

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

/* Resources Section */
.resources-section {
    padding: var(--space-xl) 0;
    background-color: var(--light);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

.resource-card {
    background-color: var(--lighter);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.resource-card .card-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    text-align: center;
}

.resource-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--primary-dark);
}

.resource-card p {
    margin-bottom: 1.5rem;
    color: var(--dark);
}

/* Pricing Section */
.pricing-section {
    padding: var(--space-xl) 0;
    background-color: var(--lighter);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--light-gray);
    transition: var(--transition-fast);
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition-fast);
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

.pricing-plans {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.pricing-card {
    background-color: var(--light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    width: 100%;
    max-width: 350px;
    display: flex;
    flex-direction: column;
}

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

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

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

.card-header {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    color: var(--lighter);
    padding: 2rem 1.5rem;
    text-align: center;
}

.pricing-card.featured .card-header {
    background: linear-gradient(135deg, var(--accent-light), var(--accent-color));
}

.card-header h3 {
    color: var(--lighter);
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.continuous-price {
    display: none;
}

.features-list {
    padding: 0;
    margin: 0 0 1.5rem;
    list-style-position: inside;
}

.features-list li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

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

.ideal-for {
    font-style: italic;
    color: var(--mid-gray);
    margin-bottom: 1.5rem;
}

.pricing-note {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    color: var(--mid-gray);
    font-style: italic;
    padding: 0 1rem;
}

/* Testimonials Section */
.testimonials-section {
    padding: var(--space-xl) 0;
    background-color: var(--light);
    position: relative;
}

.testimonials-slider {
    margin: 0 auto;
    max-width: 800px;
    overflow: hidden;
}

.testimonial-card {
    background-color: var(--lighter);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    margin: 1rem;
    position: relative;
}

.quote-icon {
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: 4rem;
    opacity: 0.1;
    font-family: serif;
    color: var(--primary-color);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--dark);
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-round);
    object-fit: cover;
}

.author-info h4 {
    margin-bottom: 0.25rem;
    color: var(--darker);
}

.author-info p {
    font-size: 0.875rem;
    color: var(--mid-gray);
    margin: 0;
}

.testimonial-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.testimonial-stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 3rem;
    margin-top: 4rem;
    text-align: center;
}

/* FAQ Section */
.faq-section {
    padding: var(--space-xl) 0;
    background-color: var(--lighter);
}

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

.faq-item {
    margin-bottom: 1rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background-color: var(--light);
}

.faq-question {
    padding: 1.5rem;
    background-color: var(--light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background-color: rgba(42, 125, 79, 0.05);
}

.faq-question h3 {
    margin: 0;
    font-size: 1.2rem;
    padding-right: 2rem;
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform var(--transition-fast);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium), padding var(--transition-medium);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 1000px;
}

/* Contact Section */
.contact-section {
    padding: var(--space-xl) 0;
    background-color: var(--light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-item .icon {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-item h4 {
    margin-bottom: 0.25rem;
    color: var(--darker);
}

.contact-item p {
    color: var(--dark);
    margin: 0;
}

.contact-image {
    margin-top: auto;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.contact-form-container {
    background-color: var(--lighter);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 2rem;
}

.contact-form h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-dark);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--darker);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-sm);
    font-family: var(--body-font);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.form-check input {
    margin-right: 0.5rem;
}

/* Footer */
.footer {
    background-color: var(--darker);
    color: var(--light);
    padding: var(--space-lg) 0 var(--space-md);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo h2 {
    font-size: 1.75rem;
    color: var(--lighter);
    margin-bottom: 1rem;
}

.footer-logo p {
    color: var(--light-gray);
    max-width: 300px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
}

.footer-column h3 {
    color: var(--accent-light);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-column h3::after {
    content: '';
    display: block;
    width: 30px;
    height: 3px;
    background-color: var(--accent-color);
    margin-top: 0.5rem;
}

.footer-column ul {
    padding: 0;
}

.footer-column li {
    margin-bottom: 0.75rem;
}

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

.footer-column a:hover {
    color: var(--accent-light);
    text-decoration: none;
}

.social-links {
    display: flex;
    flex-direction: column;
}

.social-links a {
    color: var(--light-gray);
    transition: color var(--transition-fast);
    display: inline-block;
    padding: 0.25rem 0;
}

.social-links a:hover {
    color: var(--accent-light);
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    color: var(--light-gray);
    font-size: 0.875rem;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* Cookie Consent */
.cookie-consent {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem;
}

.cookie-consent p {
    margin: 0;
}

/* Success Page */
.success-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    text-align: center;
    background-color: var(--light);
}

.success-content {
    max-width: 600px;
    padding: 3rem;
    background-color: var(--lighter);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.success-icon {
    font-size: 5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.success-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

.success-message {
    margin-bottom: 2rem;
    color: var(--dark);
}

/* Pages (About, Privacy, Terms) */
.page-content {
    padding: 120px 0 var(--space-xl);
    max-width: 800px;
    margin: 0 auto;
}

.page-title {
    margin-bottom: 2rem;
    text-align: center;
}

.page-section {
    margin-bottom: 3rem;
}

.page-section h2 {
    margin-bottom: 1.5rem;
    color: var(--primary-dark);
}

.page-section p {
    margin-bottom: 1rem;
}

/* Parallax Effects */
.parallax-bg {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Media Queries */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 992px) {
    .hero {
        padding: 10rem 0 6rem;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        order: 2;
    }
    
    .contact-form-container {
        order: 1;
        margin-bottom: 3rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--lighter);
        box-shadow: var(--shadow-md);
        padding: 1.5rem;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .burger-menu {
        display: flex;
    }
    
    .hero {
        padding: 8rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
        gap: 2rem 1.5rem;
    }
    
    .methodology-steps {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .footer-links {
        gap: 2rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .testimonial-author {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .pricing-plans {
        flex-direction: column;
        align-items: center;
    }
}

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

.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }

.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }

.py-1 { padding-top: var(--space-xs); padding-bottom: var(--space-xs); }
.py-2 { padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.py-3 { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.py-4 { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }
.py-5 { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }

.px-1 { padding-left: var(--space-xs); padding-right: var(--space-xs); }
.px-2 { padding-left: var(--space-sm); padding-right: var(--space-sm); }
.px-3 { padding-left: var(--space-md); padding-right: var(--space-md); }
.px-4 { padding-left: var(--space-lg); padding-right: var(--space-lg); }
.px-5 { padding-left: var(--space-xl); padding-right: var(--space-xl); }