:root {
    --bg-dark: #070b19;
    --bg-card: rgba(15, 23, 42, 0.65);
    --border-glow: rgba(0, 245, 212, 0.15);
    --primary: #7209b7;
    --accent: #00f5d4;
    --text-light: #f1f5f9;
    --text-muted: #94a3b8;
    --font-display: 'Syne', sans-serif;
    --font-body: 'Outfit', sans-serif;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: var(--font-body);
    position: relative;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Уникальный графический эффект: анимированный фоновый свет */
body::before, body::after {
    content: '';
    position: absolute;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(114, 9, 183, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: -1;
    filter: blur(100px);
    pointer-events: none;
    animation: floatGlow1 25s infinite alternate ease-in-out;
}
body::after {
    background: radial-gradient(circle, rgba(0, 245, 212, 0.08) 0%, rgba(0, 0, 0, 0) 70%);
    right: -10vw;
    top: 30%;
    animation: floatGlow2 30s infinite alternate ease-in-out;
}

@keyframes floatGlow1 {
    0% { transform: translate(-10%, -10%) scale(1); }
    100% { transform: translate(15%, 20%) scale(1.2); }
}
@keyframes floatGlow2 {
    0% { transform: translate(10%, 10%) scale(1.1); }
    100% { transform: translate(-15%, -20%) scale(0.9); }
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--accent);
    color: var(--bg-dark);
    padding: 10px 20px;
    z-index: 9999;
    transition: top 0.2s;
    font-weight: bold;
    text-decoration: none;
}
.skip-link:focus {
    top: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    background: rgba(7, 11, 25, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-light);
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.3rem;
}

.logo img {
    width: 36px;
    height: 36px;
}

nav ul {
    display: flex;
    gap: 32px;
    list-style: none;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

nav a:hover, nav a.active {
    color: var(--accent);
}

.burger-menu {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #fff 30%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 40px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(114, 9, 183, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(114, 9, 183, 0.6);
}

.btn-secondary {
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    margin-left: 16px;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent);
}

/* Statistics */
.stats {
    padding: 60px 0;
    background: rgba(15, 23, 42, 0.4);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stats-item h3 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--accent);
}

.stats-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Features */
.features {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.features-img img {
    width: 100%;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.features-content h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.bullet-list {
    list-style: none;
    margin-top: 24px;
}

.bullet-list li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.bullet-list li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Social Proof */
.social-proof {
    padding: 80px 0;
}

.brand-logos {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 32px;
    opacity: 0.6;
    margin-bottom: 60px;
}

.brand-logos i {
    font-size: 2rem;
    color: var(--text-muted);
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glow);
    padding: 32px;
    border-radius: 16px;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.testimonial-card p {
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.avatar-init {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* Services */
.services-section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-card-body {
    padding: 24px;
}

.service-card-body h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.service-card-body p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: stretch;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    padding: 40px 32px;
    text-align: center;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.pricing-card.featured {
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(0, 245, 212, 0.1);
    transform: scale(1.03);
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent);
    color: var(--bg-dark);
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: bold;
    border-radius: 20px;
    text-transform: uppercase;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 24px;
}

.price span {
    font-size: 1rem;
    color: var(--text-muted);
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 32px;
    text-align: left;
}

.pricing-card ul li {
    margin-bottom: 12px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.pricing-card ul li i {
    color: var(--accent);
    margin-right: 8px;
}

/* Form Section */
.form-section {
    padding: 100px 0;
    background: rgba(15, 23, 42, 0.4);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.form-wrapper {
    max-width: 650px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    padding: 48px;
    border-radius: 24px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 14px;
    background: rgba(7, 11, 25, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #fff;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 10px rgba(0, 245, 212, 0.2);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.checkbox-group input {
    width: auto;
    margin-top: 5px;
}

.checkbox-group label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.checkbox-group a {
    color: var(--accent);
}

/* FAQ / Accordion */
.faq-section {
    padding: 100px 0;
}

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

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: 8px;
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-question {
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease-out;
    color: var(--text-muted);
}

.faq-item.active .faq-answer {
    padding-bottom: 24px;
    max-height: 200px;
}

.faq-icon {
    transition: transform 0.3s;
}

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

/* Trust Layer */
.trust-layer {
    background: rgba(15, 23, 42, 0.85);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 40px 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.trust-layer h3 {
    font-family: var(--font-display);
    color: var(--text-light);
    margin-bottom: 16px;
}

.trust-layer p {
    margin-bottom: 12px;
}

.trust-layer a {
    color: var(--accent);
    text-decoration: underline;
}

/* Footer */
footer {
    background: #02050b;
    padding: 80px 0 40px;
    font-size: 0.9rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: #fff;
    margin-bottom: 20px;
    font-family: var(--font-display);
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--accent);
    border-radius: 12px;
    padding: 24px;
    z-index: 10000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transform: translateY(150%);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.cookie-text a {
    color: var(--accent);
}

.cookie-btn-group {
    display: flex;
    gap: 12px;
}

/* Responsive Menu */
@media (max-width: 991px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .testimonials, .services-grid, .pricing-grid {
        grid-template-columns: 1fr;
    }
    .pricing-card.featured {
        transform: none;
    }
}

@media (max-width: 768px) {
    .burger-menu {
        display: block;
    }
    nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-dark);
        display: none;
        padding: 40px;
    }
    nav.open {
        display: block;
    }
    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .cookie-banner {
        flex-direction: column;
        align-items: flex-start;
    }
}