/* Base Styles */
:root {
    --primary-color: #1e90ff;
    --primary-dark: #0066cc;
    --text-color: #ffffff;
    --text-secondary: #cccccc;
    --bg-color: #0a0a0a;
    --card-bg: rgba(30, 144, 255, 0.1);
    --blur: 10px;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    backdrop-filter: blur(var(--blur));
    background: rgba(10, 10, 10, 0.7);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.nav {
    display: flex;
    gap: 15px;
}

.login-btn, .register-btn {
    padding: 8px 20px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.login-btn {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.login-btn:hover {
    background: rgba(30, 144, 255, 0.1);
}

.register-btn {
    background: var(--primary-color);
    border: 1px solid var(--primary-color);
    color: white;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(30, 144, 255, 0.1) 0%, rgba(10, 10, 10, 0) 70%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
    padding: 40px 0;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-secondary);
}

.cta-btn {
    padding: 15px 30px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.cta-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(30, 144, 255, 0.2);
}

/* Sections Common Styles */
section {
    padding: 80px 0;
    position: relative;
}

section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-align: center;
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.2rem;
}

/* Why Us Section */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur));
    border-radius: var(--border-radius);
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* How It Works Section */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.step-card {
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur));
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.step-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* Testimonials Section */
.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial {
    display: none;
    text-align: center;
    padding: 30px;
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur));
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial.active {
    display: block;
}

.rating {
    color: #ffcc00;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.author {
    color: var(--text-secondary);
    font-weight: 600;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.prev-btn, .next-btn {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.prev-btn:hover, .next-btn:hover {
    background: rgba(30, 144, 255, 0.2);
    color: var(--primary-color);
}

/* FAQ Section */
.faq-items {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur));
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-question {
    padding: 20px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
}

.faq-question.active::after {
    content: '-';
}

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

.faq-answer.show {
    padding: 0 20px 20px;
    max-height: 500px;
}

/* Contact Section */
.contact {
    background: radial-gradient(circle at center, rgba(30, 144, 255, 0.05) 0%, rgba(10, 10, 10, 0) 70%);
}

.discount-timer {
    text-align: center;
    margin-bottom: 40px;
}

.timer {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 15px 0;
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 10px 0;
}

.small-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 5px 0;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input, .form-group textarea, .profile-input {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(30, 144, 255, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(30, 144, 255, 0.2);
}

/* Footer */
.footer {
    background: rgba(10, 10, 10, 0.9);
    padding: 50px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

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

.footer-social {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
}

.footer-social a {
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: var(--transition);
}

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

.footer-copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Background Shapes */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path fill="rgba(30, 144, 255, 0.03)" d="M30,30 Q50,10 70,30 T90,50 T70,70 T50,90 T30,70 T10,50 T30,30 Z" /></svg>');
    background-size: 50px 50px;
    opacity: 0.5;
    z-index: -1;
    pointer-events: none;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .features, .steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .features, .steps {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    section {
        padding: 60px 0;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p, .subtitle {
        font-size: 1rem;
    }
    
    section h2 {
        font-size: 2rem;
    }
}

/* Chat Assistant Styles */
#chat-assistant {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.chat-toggle {
    background: var(--primary-color);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    font-size: 24px;
    transition: all 0.3s ease;
}

.chat-toggle:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.chat-window {
    width: 350px;
    height: 500px;
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur));
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: none;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.chat-header {
    padding: 15px;
    background: var(--primary-color);
    color: white;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
}

.chat-messages {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-input {
    display: flex;
    padding: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-input input {
    flex: 1;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    color: white;
    outline: none;
}

.chat-input button {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    margin-left: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chat-input button:hover {
    background: var(--primary-dark);
}

.message {
    max-width: 80%;
    padding: 10px 15px;
    border-radius: 18px;
    word-wrap: break-word;
}

.user-message {
    align-self: flex-end;
    background: var(--primary-color);
    color: white;
    border-bottom-right-radius: 5px;
}

.admin-message {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.1);
    border-bottom-left-radius: 5px;
}

@media (max-width: 576px) {
    .chat-window {
        width: 300px;
        height: 400px;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0; top: 0; width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.5);
    align-items: center;
    justify-content: center;
}
.modal-content {
    background: rgb(0 21 42);
    border-radius: var(--border-radius);
    padding: 30px 30px 20px 30px;
    max-width: 350px;
    width: 90vw;
    margin: auto;
    position: relative;
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.modal-content h2 {
    margin-bottom: 10px;
}
.modal-content input {
    width: 100%;
    padding: 12px;
    margin-bottom: 10px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.08);
    color: var(--text-color);
}
.modal-content button.submit-btn {
    margin-top: 10px;
}
.close {
    position: absolute;
    right: 18px;
    top: 12px;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
}
#user-profile {
    display: flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 600;
}
@media (max-width: 576px) {
    .modal-content {
        padding: 18px 8px 12px 8px;
        max-width: 98vw;
    }
}


.avatar-wrapper {
    text-align: center;
    width: max-content;
    margin: 0 auto;
    position: relative;
}

.avatar {
    display: block;
    margin: 0 auto;
    width: 50px;
    height: 50px;
    border-radius: 1000px;
}

#avatar-upload {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0; 
    cursor: pointer;
    z-index: 2;
    top: 0;
    left: 0;
}

.profile-info {
    width: max-content;
    margin: 0 auto;
    margin-top: 30px;
}

.profile-info p {
    text-align: center;
}

.profile-info label {
    display: flex;
    flex-direction: column;
    align-items: start;
}

#save-name,
#add-balance {
    width: 100%;
    margin: 5px 0;
    padding: 5px 30px;
}

#name-edit {
    padding: 10px;
}


.custom-notification {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--primary-color);
    color: white;
    padding: 15px 25px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 9999;
}
.custom-notification.visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Mobile Menu Styles */
.nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(15px);
    padding: 80px 30px 30px;
    transition: right 0.3s ease;
    z-index: 999;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.nav.active {
    right: 0;
}

.nav a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.1rem;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav a:hover {
    background: rgba(30, 144, 255, 0.2);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 24px;
    cursor: pointer;
    z-index: 1000;
}

body.nav-open {
    overflow: hidden;
}

/* FAQ Improvements */
.faq-item {
    transition: var(--transition);
}

.faq-question {
    position: relative;
    padding-right: 40px;
}

.faq-question::after {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    transition: var(--transition);
}

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

.faq-item.open .faq-answer {
    max-height: 500px;
    padding: 0 20px 20px;
}

.faq-item.open .faq-question::after {
    content: '-';
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav {
        right: -100%;
    }
    
    .nav.active {
        right: 0;
    }
}

/* Desktop: всегда показывать nav */
@media (min-width: 769px) {
    .nav {
        display: flex !important;
        position: static;
        width: auto;
        height: auto;
        background: none;
        box-shadow: none;
        padding: 0;
        right: 0;
        border: none;
        flex-direction: row;
        gap: 15px;
        transition: none;
    }
}