:root {
    --color-bg-start: #120A1F;
    --color-bg-end: #08040C;
    --color-card-bg: #1C122B;
    --color-card-hover: #26183A;
    --color-text-light: #f0f0f0;
    --color-text-muted: #b0b0b0;
    --color-purple-accent: #D040FF;
    --color-purple-hover: #9F20CC;
    --color-purple-light: rgba(208, 64, 255, 0.1);
    --color-green: #00ff88;
    --color-blue: #4dabf7;

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;

    --border-radius: 12px;
    --transition: all 0.3s ease;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 12px 25px rgba(208, 64, 255, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
    color: var(--color-text-light);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: var(--color-purple-accent);
    transition: var(--transition);
}

a:hover {
    color: var(--color-purple-hover);
}

.section {
    padding: 80px 0;
    text-align: center;
    background-color: transparent;
}

.section.dark-bg {
    background-color: transparent;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ------------------- Preloader ------------------- */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-end);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.loader-circle {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(208, 64, 255, 0.2);
    border-top: 4px solid var(--color-purple-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.loader p {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-text-light);
}

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

/* ------------------- Navigation ------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    background: rgba(8, 4, 12, 0.9);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 15px 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-text-light);
    position: relative;
    display: inline-block;
}

.logo::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 30px;
    height: 2px;
    background-color: var(--color-purple-accent);
    transition: width 0.3s ease;
}

.logo:hover::after {
    width: 100%;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    color: var(--color-text-light);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--color-purple-accent);
}

.nav-cta {
    background-color: var(--color-purple-accent);
    color: var(--color-text-light) !important;
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 600;
    transition: var(--transition);
}

.nav-cta:hover {
    background-color: var(--color-purple-hover);
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 25px;
    justify-content: space-between;
}

.mobile-menu-btn span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--color-text-light);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
}

/* ------------------- Hero Section ------------------- */
.hero-section {
    background-color: transparent;
    padding: 160px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content h2 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-text-light);
    line-height: 1.2;
}

.hero-content h2 span {
    color: var(--color-purple-accent);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-purple-accent) 0%, transparent 70%);
    opacity: 0.1;
    animation: float 15s infinite ease-in-out;
}

.circle-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.circle-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 10%;
    animation-delay: 5s;
}

.circle-3 {
    width: 150px;
    height: 150px;
    bottom: 10%;
    left: 20%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

/* ------------------- Stats Section ------------------- */
.stats-section {
    padding: 60px 0;
    background-color: rgba(28, 18, 43, 0.5);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-purple-accent);
    margin-bottom: 10px;
}

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

/* ------------------- Buttons ------------------- */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: var(--border-radius);
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    gap: 10px;
}

.cta-button i {
    font-size: 1.1rem;
}

.primary {
    background-color: var(--color-purple-accent);
    color: var(--color-text-light);
    box-shadow: 0 8px 20px rgba(208, 64, 255, 0.3);
}

.primary:hover {
    background-color: var(--color-purple-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(208, 64, 255, 0.4);
    color: var(--color-text-light);
}

.secondary {
    background-color: transparent;
    color: var(--color-text-light);
    border: 2px solid var(--color-purple-accent);
    box-shadow: 0 6px 15px rgba(208, 64, 255, 0.15);
}

.secondary:hover {
    background-color: var(--color-purple-accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(208, 64, 255, 0.25);
    color: var(--color-text-light);
}

.tertiary {
    background-color: #333;
    color: var(--color-purple-accent);
    border: 2px solid var(--color-purple-accent);
    box-shadow: 0 6px 15px rgba(208, 64, 255, 0.15);
}

.tertiary:hover {
    background-color: #444;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(208, 64, 255, 0.25);
    color: var(--color-purple-accent);
}

/* ------------------- Section Headings ------------------- */
h3 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: var(--color-text-light);
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

h3::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background-color: var(--color-purple-accent);
}

/* ------------------- Resources Grid ------------------- */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.resource-card {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: left;
    border: 1px solid var(--color-card-bg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.resource-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-purple-accent);
    box-shadow: var(--shadow-hover);
    background-color: var(--color-card-hover);
}

.card-icon {
    margin-bottom: 20px;
}

.resource-card i {
    font-size: 2.8rem;
    color: var(--color-purple-accent);
    display: block;
}

.resource-card h4 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--color-text-light);
}

.resource-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    flex-grow: 1;
}

.card-link {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-top: auto;
}

.card-link i {
    font-size: 0.9em;
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.card-link:hover i {
    transform: translateX(5px);
}

/* ------------------- Features Section ------------------- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-item {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--color-card-bg);
}

.feature-item:hover {
    transform: translateY(-5px);
    border-color: var(--color-purple-accent);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background-color: var(--color-purple-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 1.8rem;
    color: var(--color-purple-accent);
}

.feature-item h4 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--color-text-light);
}

.feature-item p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* ------------------- Support Section ------------------- */
.action-flex {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
}

.action-box {
    background-color: var(--color-card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    flex: 1;
    max-width: 550px;
    border: 1px solid var(--color-card-bg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.action-box:hover {
    transform: translateY(-8px);
    border-color: var(--color-purple-accent);
    box-shadow: var(--shadow-hover);
    background-color: var(--color-card-hover);
}

.action-icon {
    width: 80px;
    height: 80px;
    background-color: var(--color-purple-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.action-icon i {
    font-size: 2rem;
    color: var(--color-purple-accent);
}

.action-box h4 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--color-purple-accent);
}

.action-box p {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 30px;
}

/* ------------------- FAQ Section ------------------- */
.faq-section {
    background-color: rgba(28, 18, 43, 0.5);
}

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

.faq-item {
    margin-bottom: 15px;
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: var(--color-card-bg);
    box-shadow: var(--shadow);
}

.faq-question {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: var(--color-card-hover);
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
    max-height: 200px;
}

/* ------------------- Footer ------------------- */
footer {
    background-color: var(--color-bg-end);
    border-top: 1px solid var(--color-card-bg);
    color: var(--color-text-muted);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--color-text-light);
}

.footer-section p {
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--color-text-muted);
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--color-purple-accent);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-card-bg);
    border-radius: 50%;
    color: var(--color-text-light);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--color-purple-accent);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--color-card-bg);
    font-size: 0.85rem;
}

.footer-bottom strong {
    color: var(--color-purple-accent);
}

/* ------------------- Back to Top Button ------------------- */
#backToTopBtn {
    display: none;
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 999;
    background-color: var(--color-purple-accent);
    color: var(--color-text-light);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.3rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(208, 64, 255, 0.4);
    transition: var(--transition);
}

#backToTopBtn:hover {
    background-color: var(--color-purple-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(208, 64, 255, 0.6);
}

/* ------------------- Адаптивность ------------------- */
@media (max-width: 992px) {
    .hero-content h2 {
        font-size: 2.2rem;
    }
    
    .resource-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .action-flex {
        flex-direction: column;
        align-items: center;
    }
    
    .action-box {
        max-width: 100%;
        margin-bottom: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .cta-button {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 0;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(8, 4, 12, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.5);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-section {
        padding: 120px 0 80px;
    }
    
    .hero-content h2 {
        font-size: 1.8rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    h3 {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }
    
    .action-box {
        padding: 30px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    #backToTopBtn {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    .resource-card {
        text-align: center;
        padding: 20px;
    }
    
    .resource-card i {
        margin: 0 auto 15px;
    }
    
    .card-link {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}