:root {
    /* Триада цветовой схемы */
    --primary-color: #5448C8; /* Основной цвет - насыщенный фиолетовый */
    --primary-dark: #3D3596; /* Темный основной */
    --primary-light: #8073E9; /* Светлый основной */
    
    --secondary-color: #48C875; /* Вторичный цвет - зеленый */
    --secondary-dark: #35964F; /* Темный вторичный */
    --secondary-light: #6DE997; /* Светлый вторичный */
    
    --tertiary-color: #C84872; /* Третичный цвет - розовый/красный */
    --tertiary-dark: #962D54; /* Темный третичный */
    --tertiary-light: #E96D96; /* Светлый третичный */
    
    /* Нейтральные цвета */
    --dark: #1C1C28;
    --dark-gray: #42424F;
    --mid-gray: #7A7A8C;
    --light-gray: #E0E0E6;
    --off-white: #F7F7FC;
    --white: #FFFFFF;
    
    /* Дополнительные цвета для акцентов и градиентов */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    --gradient-tertiary: linear-gradient(135deg, var(--tertiary-color), var(--tertiary-light));
    --gradient-dark: linear-gradient(135deg, var(--dark), var(--dark-gray));
    
    /* Размеры и типографика */
    --heading-font: 'Inter', sans-serif;
    --body-font: 'IBM Plex Sans', sans-serif;
    --base-font-size: 16px;
    --h1-size: 3rem;
    --h2-size: 2.5rem;
    --h3-size: 2rem;
    --h4-size: 1.5rem;
    --h5-size: 1.25rem;
    --h6-size: 1rem;
    
    /* Размеры контейнеров */
    --container-max-width: 1200px;
    --container-padding: 2rem;
    --section-spacing: 5rem;
    --card-border-radius: 12px;
    --button-border-radius: 50px;
    
    /* Тени */
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 15px 35px rgba(0, 0, 0, 0.15);
    --shadow-hard: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Анимации */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-индексы для наложения элементов */
    --z-index-header: 1000;
    --z-index-modal: 2000;
    --z-index-overlay: 1500;
}

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

html {
    font-size: var(--base-font-size);
    scroll-behavior: smooth;
}

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

section:nth-of-type(1) {
  padding-top: 100px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: var(--h1-size);
    font-weight: 800;
}

h2 {
    font-size: var(--h2-size);
    position: relative;
    margin-bottom: 1.5rem;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-header h2:after {
    left: 50%;
    transform: translateX(-50%);
}

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

h4 {
    font-size: var(--h4-size);
}

h5 {
    font-size: var(--h5-size);
}

h6 {
    font-size: var(--h6-size);
}

p {
    margin-bottom: 1.5rem;
}

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

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

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

ul {
    list-style: none;
}

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

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.section-header p {
    color: var(--mid-gray);
    font-size: 1.2rem;
}

.parallax-element {
    transition: transform 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
    will-change: transform;
}

/* Кнопки */
.btn, button, input[type='submit'] {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--button-border-radius);
    font-family: var(--heading-font);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-soft);
    outline: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn:hover, button:hover, input[type='submit']:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
    color: var(--white);
}

.btn:active, button:active, input[type='submit']:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
}

.btn::after, button::after, input[type='submit']::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: all var(--transition-medium);
}

.btn:hover::after, button:hover::after, input[type='submit']:hover::after {
    height: 400%;
    opacity: 1;
}

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

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

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

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

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

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

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

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

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

/* Анимированные иконки */
.animated-icon {
    display: inline-block;
    width: 40px;
    height: 40px;
    position: relative;
    margin-right: 15px;
}

.animated-icon.location::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 15px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--primary-color);
    animation: pulse 2s infinite;
}

.animated-icon.location::after {
    content: '';
    position: absolute;
    top: 5px;
    left: 10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    transform-origin: center;
    animation: ripple 2s infinite;
}

.animated-icon.phone::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-radius: 5px;
    transform: rotate(45deg);
}

.animated-icon.phone::after {
    content: '';
    position: absolute;
    top: 15px;
    left: 18px;
    width: 4px;
    height: 10px;
    background-color: var(--primary-color);
    border-radius: 2px;
    transform: rotate(45deg);
}

.animated-icon.email::before {
    content: '';
    position: absolute;
    top: 13px;
    left: 5px;
    width: 30px;
    height: 15px;
    border: 2px solid var(--primary-color);
    border-radius: 2px;
}

.animated-icon.email::after {
    content: '';
    position: absolute;
    top: 13px;
    left: 5px;
    width: 30px;
    height: 15px;
    background: linear-gradient(135deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0) 46%, var(--primary-color) 46%, var(--primary-color) 54%, rgba(0,0,0,0) 54%, rgba(0,0,0,0) 100%);
    transform-origin: center;
    animation: wave 2s infinite;
}

.animated-icon.hours::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 10px;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
}

.animated-icon.hours::after {
    content: '';
    position: absolute;
    top: 15px;
    left: 19px;
    width: 2px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 1px;
    transform-origin: bottom;
    animation: clockwise 5s infinite linear;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.7;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

@keyframes wave {
    0% {
        transform: scale(1, 1);
    }
    50% {
        transform: scale(0.9, 1.1);
    }
    100% {
        transform: scale(1, 1);
    }
}

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

/* Карточки */
.card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--white);
    border-radius: var(--card-border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-medium);
    margin-bottom: 2rem;
    height: 100%;
}

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

.card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.card-content {
    padding: 2rem;
    text-align: center;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card h3 {
    margin-bottom: 1rem;
    color: var(--dark);
}

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

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

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

input, select, textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid var(--light-gray);
    border-radius: var(--card-border-radius);
    font-family: var(--body-font);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

/* 3D эффекты */
.perspective {
    perspective: 1000px;
    transform-style: preserve-3d;
}

.tilt-element {
    transition: transform var(--transition-medium);
    transform-style: preserve-3d;
}

.tilt-element:hover {
    transform: rotateX(5deg) rotateY(5deg);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-index-header);
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(5px);
    transition: background-color var(--transition-medium);
}

.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

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

.logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin: 0;
}

.desktop-nav ul {
    display: flex;
    gap: 2rem;
}

.desktop-nav a {
    color: var(--dark);
    font-weight: 500;
    position: relative;
    padding-bottom: 0.3rem;
}

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

.desktop-nav a:hover {
    color: var(--primary-color);
}

.desktop-nav a:hover::after {
    width: 100%;
}

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

.mobile-menu-button span {
    width: 100%;
    height: 2px;
    background-color: var(--dark);
    transition: all var(--transition-fast);
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-soft);
    padding: 1rem 0;
    z-index: 999;
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-medium);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-menu a {
    display: block;
    padding: 0.5rem 2rem;
    color: var(--dark);
    font-weight: 500;
}

.mobile-menu a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 10rem 0 6rem;
    display: flex;
    align-items: center;
    min-height: 90vh;
    overflow: hidden;
}

.hero .overlay {
    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, 0.3));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    color: var(--white);
}

.hero h1 {
    margin-bottom: 1.5rem;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* About Section */
.about-section {
    padding: var(--section-spacing) 0;
    background-color: var(--white);
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4rem;
}

.about-image {
    flex: 1;
    min-width: 300px;
    position: relative;
}

.image-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--card-border-radius);
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-medium);
}

.image-container:hover {
    transform: perspective(1000px) rotateY(5deg) rotateX(5deg);
}

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

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

.about-text {
    flex: 1;
    min-width: 300px;
    padding-right: 2rem;
}

.about-text h3 {
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.about-text p {
    color: var(--mid-gray);
    margin-bottom: 2rem;
}

/* Mission Section */
.mission-section {
    padding: var(--section-spacing) 0;
    background-color: var(--off-white);
    position: relative;
    overflow: hidden;
}

.mission-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('images/abstract-pattern.jpg') no-repeat center;
    background-size: cover;
    opacity: 0.05;
    z-index: 0;
}

.mission-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4rem;
    position: relative;
    z-index: 1;
}

.mission-text {
    flex: 1;
    min-width: 300px;
}

.mission-image {
    flex: 1;
    min-width: 300px;
    position: relative;
}

.mission-text p {
    color: var(--mid-gray);
    margin-bottom: 1.5rem;
}

.mission-text p:last-child {
    margin-bottom: 0;
}

/* Services Section */
.services-section {
    padding: var(--section-spacing) 0;
    background-color: var(--white);
}

.services-carousel {
    position: relative;
    margin-top: 2rem;
}

.carousel-container {
    position: relative;
    overflow: hidden;
}

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

.carousel-track .card {
    flex: 0 0 calc(33.33% - 2rem);
    margin-right: 2rem;
}

.carousel-nav {
    display: flex;
    justify-content: space-between;
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    z-index: 5;
}

.prev-btn, .next-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: var(--white);
    border-radius: 50%;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-fast);
}

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

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--light-gray);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

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

/* Histoire Section */
.histoire-section {
    padding: var(--section-spacing) 0;
    background-color: var(--off-white);
}

.histoire-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4rem;
}

.histoire-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
}

.histoire-text {
    flex: 1;
    min-width: 300px;
}

.histoire-text p {
    color: var(--mid-gray);
    margin-bottom: 1.5rem;
}

/* Behind the Scenes Section */
.behind-scenes-section {
    padding: var(--section-spacing) 0;
    background-color: var(--white);
}

.scenes-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.tab-btn {
    padding: 0.8rem 1.5rem;
    background-color: transparent;
    border: none;
    border-bottom: 2px solid var(--light-gray);
    font-family: var(--heading-font);
    font-weight: 500;
    color: var(--mid-gray);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    position: relative;
}

.tab-pane {
    opacity: 0;
    height: 0;
    overflow: hidden;
    transition: opacity var(--transition-medium);
}

.tab-pane.active {
    opacity: 1;
    height: auto;
}

.tab-flex {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 3rem;
}

.tab-text {
    flex: 1;
    min-width: 300px;
}

.tab-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
}

.tab-text h3 {
    color: var(--dark);
    margin-bottom: 1.5rem;
}

.tab-text p {
    color: var(--mid-gray);
    margin-bottom: 1.5rem;
}

/* Research Section */
.research-section {
    padding: var(--section-spacing) 0;
    background-color: var(--off-white);
}

.research-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4rem;
}

.research-text {
    flex: 1;
    min-width: 300px;
}

.research-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
}

.research-text p {
    color: var(--mid-gray);
    margin-bottom: 1.5rem;
}

/* Why Us Section */
.why-us-section {
    padding: var(--section-spacing) 0;
    background-color: var(--white);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.why-us-grid .card-image {
    height: 150px;
    width: 150px;
    margin: 2rem auto 0;
}

.why-us-grid .card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* External Resources Section */
.external-resources {
    padding: var(--section-spacing) 0;
    background-color: var(--off-white);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.resource-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--card-border-radius);
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-medium);
    height: 100%;
}

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

.resource-card h3 {
    color: var(--dark);
    margin-bottom: 1.5rem;
    text-align: center;
}

.resource-card ul {
    list-style: disc;
    padding-left: 1.5rem;
}

.resource-card li {
    margin-bottom: 1rem;
}

.resource-card a {
    color: var(--primary-color);
    transition: all var(--transition-fast);
}

.resource-card a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Success Stories Section */
.success-stories-section {
    padding: var(--section-spacing) 0;
    background-color: var(--white);
}

.stories-carousel {
    position: relative;
    margin-top: 2rem;
}

.story-card {
    display: flex;
    flex-direction: column;
    background-color: var(--white);
    border-radius: var(--card-border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-medium);
}

.client-quote {
    background-color: var(--off-white);
    padding: 1.5rem;
    border-radius: var(--card-border-radius);
    margin-top: 1.5rem;
    font-style: italic;
    position: relative;
}

.client-quote::before {
    content: '\201C';
    position: absolute;
    top: -0.5rem;
    left: 0.5rem;
    font-size: 3rem;
    font-family: Georgia, serif;
    color: var(--primary-light);
    opacity: 0.3;
}

/* Sustainability Section */
.sustainability-section {
    padding: var(--section-spacing) 0;
    background-color: var(--off-white);
}

.sustainability-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4rem;
}

.sustainability-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
}

.sustainability-text {
    flex: 1;
    min-width: 300px;
}

.sustainability-text p {
    color: var(--mid-gray);
    margin-bottom: 1.5rem;
}

.sustainability-text ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--mid-gray);
}

.sustainability-text li {
    margin-bottom: 0.8rem;
}

/* FAQ Section */
.faq-section {
    padding: var(--section-spacing) 0;
    background-color: var(--white);
}

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

.accordion-item {
    border-bottom: 1px solid var(--light-gray);
    margin-bottom: 1.5rem;
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding-bottom: 1rem;
}

.accordion-header h3 {
    font-size: 1.2rem;
    margin-bottom: 0;
}

.accordion-icon {
    font-size: 1.5rem;
    transition: all var(--transition-fast);
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    display: none;
    padding-bottom: 2rem;
}

.accordion-item.active .accordion-content {
    display: block;
}

/* Contact Section */
.contact-section {
    padding: var(--section-spacing) 0;
    background-color: var(--off-white);
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: 4rem;
}

.contact-form {
    flex: 1;
    min-width: 300px;
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--card-border-radius);
    box-shadow: var(--shadow-soft);
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.info-box {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: var(--card-border-radius);
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-medium);
}

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

.info-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

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

.map-container {
    margin-top: 2rem;
    height: 250px;
    border-radius: var(--card-border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

/* Footer */
.footer {
    background-color: var(--dark);
    color: var(--white);
    padding-top: 4rem;
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding-bottom: 3rem;
}

.footer-column h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-column p {
    color: var(--light-gray);
}

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

.footer-column li {
    margin-bottom: 0.8rem;
}

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

.footer-column a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-bottom {
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: var(--light-gray);
    transition: all var(--transition-fast);
    font-weight: 500;
    display: inline-block;
    position: relative;
}

.social-links a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--tertiary-light);
    transition: width var(--transition-medium);
}

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

.social-links a:hover::after {
    width: 100%;
}

.copyright {
    color: var(--light-gray);
}

/* Success page */
.success-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--off-white);
}

.success-container {
    max-width: 600px;
    padding: 3rem;
    text-align: center;
    background-color: var(--white);
    border-radius: var(--card-border-radius);
    box-shadow: var(--shadow-medium);
}

.success-container h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.success-container p {
    color: var(--mid-gray);
    margin-bottom: 2rem;
}

/* Privacy and Terms pages */
.privacy-page, .terms-page {
    padding-top: 100px;
    background-color: var(--off-white);
    min-height: 100vh;
}

.privacy-content, .terms-content {
    background-color: var(--white);
    border-radius: var(--card-border-radius);
    padding: 3rem;
    box-shadow: var(--shadow-soft);
}

.privacy-content h2, .terms-content h2 {
    color: var(--dark);
    margin-top: 2rem;
    margin-bottom: 1.5rem;
}

.privacy-content p, .terms-content p {
    color: var(--mid-gray);
    margin-bottom: 1.5rem;
}

.privacy-content ul, .terms-content ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--mid-gray);
}

.privacy-content li, .terms-content li {
    margin-bottom: 0.8rem;
}

/* Media Queries */
@media (max-width: 992px) {
    :root {
        --container-padding: 1.5rem;
        --section-spacing: 4rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .desktop-nav {
        display: none;
    }

    .mobile-menu-button {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .carousel-track .card {
        flex: 0 0 calc(50% - 1rem);
        margin-right: 1rem;
    }

    .hero {
        padding: 8rem 0 4rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .tab-flex {
        flex-direction: column-reverse;
    }

    .tab-image {
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --section-spacing: 3rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .about-content, .mission-content, .histoire-content, .research-content, .sustainability-content, .contact-content {
        flex-direction: column;
        gap: 2rem;
    }

    .carousel-track .card {
        flex: 0 0 calc(100% - 1rem);
    }

    .prev-btn, .next-btn {
        width: 30px;
        height: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }

    .social-links {
        margin-bottom: 1rem;
    }
}
.language-switcher {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-left: 1rem;
}

.lang-btn {
  border: 1px solid #ddd;
  background: white;
  color: #333;
  font-weight: 600;
  padding: 5px 12px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  border-radius: 4px;
}

.lang-btn:hover {
  background: #f2f2f2;
}

.lang-btn.active {
  background: #444191; /* тёплый жёлто-оранжевый акцент */
  color: white;
  border-color: #6171bb;
}