/* CSS Variables */
:root {
    /* Аналоговая цветовая схема */
    --primary-color: #FF6B35;
    --primary-dark: #E55A2B;
    --secondary-color: #FF8E53;
    --tertiary-color: #FFA500;
    --accent-color: #FFD700;
    --warm-red: #FF4500;
    
    /* Нейтральные цвета */
    --text-dark: #222222;
    --text-light: #666666;
    --text-white: #FFFFFF;
    --background-light: #FAFAFA;
    --background-white: #FFFFFF;
    --border-color: #E0E0E0;
    
    /* Градиенты */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-warm: linear-gradient(135deg, var(--warm-red), var(--tertiary-color));
    --gradient-overlay: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.3));
    
    /* Типографика */
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Nunito', sans-serif;
    
    /* Размеры */
    --header-height: 80px;
    --container-max-width: 1200px;
    --border-radius: 12px;
    --shadow: 0 10px 30px rgba(0,0,0,0.1);
    --shadow-hover: 0 15px 40px rgba(255,107,53,0.2);
    
    /* Переходы */
    --transition: all 0.3s ease;
    --transition-slow: all 0.6s ease;
}

/* Reset и базовые стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-white);
    overflow-x: hidden;
}

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

/* Адаптивная типографика */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* Контейнеры */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Кнопки (глобальные стили) */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background: var(--text-white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    height: 100%;
}

.nav-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.nav-brand a {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

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

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    color: var(--text-white);
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-subtitle {
    color: var(--text-white);
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    margin-bottom: 2.5rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Section General Styles */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--background-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text {
    font-size: 1.1rem;
}

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

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin: 0 auto;
}

/* Vision Section */
.vision {
    background: var(--background-white);
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.vision-card {
    background: var(--background-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.card-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.card-content {
    padding: 2rem;
    text-align: center;
}

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

/* Clientele Section */
.clientele {
    background: var(--background-light);
}

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

.accordion-item {
    background: var(--background-white);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.accordion-header {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.accordion-header:hover {
    background: var(--background-light);
}

.accordion-header h3 {
    margin: 0;
    color: var(--primary-color);
}

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

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

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

.accordion-content {
    padding: 0 1.5rem 1.5rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.accordion-content img {
    border-radius: var(--border-radius);
    flex-shrink: 0;
}

/* Resources Section */
.resources {
    background: var(--background-white);
}

.resources-intro {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: var(--text-light);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.resource-card {
    background: var(--background-white);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-align: center;
}

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

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

.resource-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

/* Media Section */
.media {
    background: var(--background-light);
}

.custom-slider {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.slider-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.slide {
    display: none;
    position: relative;
}

.slide.active {
    display: block;
}

.slide img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.slide-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--gradient-overlay);
    color: var(--text-white);
    padding: 2rem;
}

.slide-content h3 {
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.slider-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
}

.slider-btn {
    background: rgba(255,255,255,0.8);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.slider-btn:hover {
    background: var(--text-white);
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

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

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

/* Contact Section */
.contact {
    background: var(--background-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

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

.contact-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
    width: 20px;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--background-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255,107,53,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--text-white);
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

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

.footer-section a {
    color: var(--text-white);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-links a {
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 600;
}

.social-links a:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
    color: var(--text-light);
}

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

.success-content {
    background: var(--background-white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    max-width: 500px;
}

.success-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.success-content h1 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Privacy and Terms pages */
.page-content {
    padding-top: 100px;
    min-height: 100vh;
}

.page-header {
    background: var(--background-light);
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.content-section {
    margin-bottom: 2rem;
}

.content-section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.content-section h3 {
    color: var(--text-dark);
    margin: 1.5rem 0 0.5rem;
}

/* Анимация частиц */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

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

.particle {
    position: absolute;
    background: var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    animation: float 6s ease-in-out infinite;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .vision-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: var(--header-height);
        flex-direction: column;
        background-color: var(--background-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero {
        background-attachment: scroll;
    }

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

    .accordion-content {
        flex-direction: column;
    }

    .accordion-content img {
        max-width: 200px;
        margin: 0 auto 1rem;
    }

    .vision-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }

    .slider-controls {
        padding: 0 0.5rem;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .slide img {
        height: 300px;
    }

    .slide-content {
        padding: 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    section {
        padding: 60px 0;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .vision-grid,
    .resources-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .vision-card,
    .resource-card {
        padding: 1.5rem;
    }

    .contact-form-container {
        padding: 1.5rem;
    }

    .slide img {
        height: 250px;
    }

    .success-content {
        padding: 2rem;
        margin: 1rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles */
button:focus,
input:focus,
textarea:focus,
select:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .footer,
    .btn,
    .nav-toggle {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero {
        height: auto;
        background: none;
    }
}