/* === ПЕРЕМЕННЫЕ И БАЗОВЫЕ СТИЛИ === */
:root {
    /* Тетрадная цветовая схема */
    --primary: #3a7bff;
    --primary-dark: #2a5cc9;
    --primary-light: #6a9dff;
    --secondary: #ff7e3a;
    --secondary-dark: #d65c1e;
    --secondary-light: #ff9c6a;
    --tertiary: #3aff7e;
    --tertiary-dark: #1ed65c;
    --tertiary-light: #6affb0;
    --quaternary: #ff3a7e;
    --quaternary-dark: #d61e5c;
    --quaternary-light: #ff6a9d;
    
    /* Нейтральные цвета */
    --dark: #333;
    --dark-80: #4d4d4d;
    --dark-60: #666;
    --dark-40: #999;
    --dark-20: #ccc;
    --dark-10: #e6e6e6;
    --light: #fff;
    --light-90: #f5f5f5;
    --light-80: #eee;
    
    /* Тени для нейроморфизма */
    --shadow-light: 8px 8px 16px rgba(174, 174, 192, 0.4), -8px -8px 16px rgba(255, 255, 255, 0.7);
    --shadow-dark: 8px 8px 16px rgba(0, 0, 0, 0.25), -8px -8px 16px rgba(255, 255, 255, 0.1);
    --shadow-inset: inset 2px 2px 5px rgba(174, 174, 192, 0.4), inset -2px -2px 5px rgba(255, 255, 255, 0.8);
    
    /* Скругления и отступы */
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Шрифты */
    --font-headings: 'Roboto', sans-serif;
    --font-body: 'Lato', sans-serif;
    
    /* Размеры шрифта с адаптивной типографикой */
    --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --font-size-md: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
    --font-size-lg: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --font-size-xl: clamp(1.5rem, 1.3rem + 1vw, 1.875rem);
    --font-size-2xl: clamp(1.875rem, 1.6rem + 1.375vw, 2.5rem);
    --font-size-3xl: clamp(2.5rem, 2rem + 2.5vw, 3.5rem);
    
    /* Переходы и анимации */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Контейнеры */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
}

/* === СБРОС СТИЛЕЙ === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--dark);
    background-color: var(--light-90);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

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

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

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--border-radius-sm);
}

/* === КНОПКИ === */
.btn,
button,
input[type='submit'] {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-family: var(--font-headings);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-light);
    border: none;
    background-color: var(--light);
    color: var(--dark);
}

.btn:hover,
button:hover,
input[type='submit']:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.btn:active,
button:active,
input[type='submit']:active {
    transform: translateY(0);
    box-shadow: var(--shadow-inset);
}

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

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

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

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-xs);
}

/* === HEADER === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo a {
    display: flex;
    align-items: center;
    font-family: var(--font-headings);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary);
}

.logo h1 {
    margin: 0;
    font-size: var(--font-size-xl);
}

.main-nav ul {
    display: flex;
    gap: var(--spacing-md);
}

.main-nav ul li a {
    color: var(--dark-60);
    font-weight: 500;
    padding: 0.5rem;
    position: relative;
}

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

.main-nav ul li a:hover {
    color: var(--primary);
}

.main-nav ul li a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
}

.hamburger span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--dark);
    border-radius: 10px;
    transition: all var(--transition-normal);
}

/* === HERO SECTION === */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--light);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 1;
}

.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: 0 auto;
    text-align: center;
    padding: var(--spacing-lg);
}

.hero-content h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease-out;
}

.hero-content h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--light);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1.2s ease-out;
}

.precio-destacado {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--light);
    margin: var(--spacing-md) 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: pulse 2s infinite;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    animation: fadeInUp 1.4s ease-out;
}

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

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

/* === MISSION SECTION === */
.mission-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light);
}

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

.mission-image {
    flex: 1 1 400px;
    text-align: center;
}

.mission-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    margin: 0 auto;
    max-width: 100%;
    height: auto;
}

.mission-image img:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.mission-text {
    flex: 1 1 500px;
}

.mission-text h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
}

.mission-text p {
    margin-bottom: var(--spacing-md);
    color: var(--dark-60);
}

.mission-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat {
    flex: 1;
    min-width: 120px;
    text-align: center;
    padding: var(--spacing-sm);
    background-color: var(--light-90);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
    transition: transform var(--transition-normal);
}

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

.stat-number {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--dark-60);
}

/* === PROJECTS SECTION === */
.projects-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-90);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.card {
    display: flex;
    flex-direction: column;
    background-color: var(--light);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    height: 100%;
    align-items: center;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.1);
}

.card-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    text-align: center;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    margin: 0 auto;
}

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

.card-content {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.card-content h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
    font-size: var(--font-size-lg);
}

.card-content p {
    margin-bottom: var(--spacing-md);
    color: var(--dark-60);
    flex-grow: 1;
}

/* === RESOURCES SECTION === */
.resources-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light);
}

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

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.resource-card {
    background-color: var(--light-90);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    text-align: center;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.resource-card h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-md);
}

.resource-card p {
    margin-bottom: var(--spacing-md);
    color: var(--dark-60);
}

.resource-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--primary);
    color: var(--light);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: background-color var(--transition-normal);
}

.resource-link:hover {
    background-color: var(--primary-dark);
    color: var(--light);
}

/* === CASE STUDIES SECTION === */
.case-studies-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-90);
}

.case-studies-carousel {
    max-width: 100%;
    margin: 0 auto;
    position: relative;
}

.carousel-container {
    overflow: hidden;
}

.carousel-slide {
    display: none;
}

.carousel-slide.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.case-study-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    align-items: center;
}

.case-study-image {
    flex: 1 1 400px;
    text-align: center;
}

.case-study-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    transition: transform var(--transition-normal);
    margin: 0 auto;
    max-width: 100%;
    height: auto;
}

.case-study-text {
    flex: 1 1 500px;
}

.case-study-text h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
}

.case-study-text p {
    margin-bottom: var(--spacing-md);
    color: var(--dark-60);
}

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

.prev-btn, .next-btn {
    background-color: var(--primary);
    color: var(--light);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: var(--font-size-lg);
    transition: background-color var(--transition-normal);
}

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

.carousel-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--dark-20);
    cursor: pointer;
    transition: background-color var(--transition-normal);
}

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

/* === EVENTS SECTION === */
.events-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light);
}

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

.events-calendar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.event-card {
    display: flex;
    background-color: var(--light-90);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.event-date {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: var(--primary);
    color: var(--light);
    padding: var(--spacing-md);
    min-width: 120px;
    text-align: center;
}

.event-date .day {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    line-height: 1;
}

.event-date .month {
    font-size: var(--font-size-md);
    text-transform: uppercase;
}

.event-details {
    padding: var(--spacing-md);
    flex-grow: 1;
}

.event-details h3 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
    color: var(--dark);
}

.event-location {
    font-size: var(--font-size-sm);
    color: var(--dark-60);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 5px;
}

.event-description {
    color: var(--dark-60);
    margin-bottom: var(--spacing-sm);
}

/* === CONTACT SECTION === */
.contact-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-90);
}

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

.contact-info {
    flex: 1 1 400px;
}

.contact-info h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
}

.contact-info p {
    margin-bottom: var(--spacing-md);
    color: var(--dark-60);
}

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

.contact-item {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-sm);
}

.contact-label {
    font-weight: 700;
    margin-right: 0.5rem;
    color: var(--dark);
    min-width: 100px;
}

.contact-text {
    color: var(--dark-60);
}

.contact-image {
    margin-top: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    text-align: center;
}

.contact-image img {
    transition: transform var(--transition-slow);
    width: 100%;
    height: auto;
    margin: 0 auto;
}

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

.contact-form-container {
    flex: 1 1 500px;
    background-color: var(--light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
}

.contact-form-container h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
    text-align: center;
}

.contact-form {
    display: grid;
    gap: var(--spacing-md);
}

.form-group {
    position: relative;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--dark-20);
    border-radius: var(--border-radius-sm);
    background-color: var(--light);
    color: var(--dark);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(58, 123, 255, 0.1);
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-group.checkbox input {
    width: auto;
    margin: 0;
}

.form-group.checkbox label {
    margin: 0;
    font-size: var(--font-size-sm);
}

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

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

.footer-logo h3 {
    color: var(--light);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.footer-logo p {
    color: var(--dark-20);
}

.footer-links h4 {
    color: var(--light);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-md);
}

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

.footer-links ul li a {
    color: var(--dark-20);
    transition: color var(--transition-normal);
}

.footer-links ul li a:hover {
    color: var(--primary-light);
}

.footer-social h4 {
    color: var(--light);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-md);
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.social-links li a {
    display: inline-block;
    color: var(--light);
    transition: color var(--transition-normal);
    padding: 5px 10px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(255, 255, 255, 0.1);
}

.social-links li a:hover {
    color: var(--primary-light);
    background-color: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--dark-40);
    font-size: var(--font-size-sm);
}

/* === SUCCESS PAGE === */
.success-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl);
}

.success-container {
    max-width: 600px;
    padding: var(--spacing-lg);
    background-color: var(--light);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
}

.success-icon {
    font-size: 5rem;
    color: var(--tertiary);
    margin-bottom: var(--spacing-md);
}

.success-title {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.success-message {
    margin-bottom: var(--spacing-md);
    color: var(--dark-60);
}

/* === PRIVACY & TERMS PAGES === */
.page-content {
    padding-top: 120px;
    padding-bottom: var(--spacing-xl);
}

.page-content .container {
    max-width: 800px;
}

.page-title {
    margin-bottom: var(--spacing-lg);
    color: var(--primary);
}

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

.page-section h3 {
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.page-section p {
    margin-bottom: var(--spacing-md);
    color: var(--dark-60);
}

.page-section ul {
    list-style: disc;
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.page-section ul li {
    margin-bottom: var(--spacing-xs);
    color: var(--dark-60);
}

/* === RESPONSIVE STYLES === */
@media (max-width: 992px) {
    :root {
        --container-padding: 1.25rem;
    }

    .main-nav {
        display: none;
    }

    .main-nav.active {
        display: block;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--light);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }

    .main-nav.active ul {
        flex-direction: column;
        padding: var(--spacing-md);
    }

    .main-nav.active ul li {
        margin-bottom: var(--spacing-sm);
    }

    .hamburger {
        display: flex;
    }

    .hero-content h1 {
        font-size: calc(var(--font-size-2xl) * 1.2);
    }

    .hero-content h2 {
        font-size: var(--font-size-lg);
    }

    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
        max-width: 250px;
        margin: 0 auto;
    }

    .card-image {
        height: 180px;
    }

    .case-study-content {
        flex-direction: column;
    }

    .event-card {
        flex-direction: column;
    }

    .event-date {
        padding: var(--spacing-sm);
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 10px;
    }

    .contact-form-container {
        padding: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .mission-stats {
        flex-direction: column;
    }

    .stat {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .header-inner {
        height: 70px;
    }

    .logo h1 {
        font-size: var(--font-size-lg);
    }

    .hero-content h1 {
        font-size: var(--font-size-2xl);
    }

    .hero-content h2 {
        font-size: var(--font-size-md);
    }

    .hero-content p {
        font-size: var(--font-size-base);
    }

    .section-title {
        font-size: var(--font-size-xl);
    }

    .contact-form {
        gap: var(--spacing-sm);
    }
}