:root {
    --bg-color: #0a0b0f;
    --card-bg: rgba(20, 25, 40, 0.6);
    --card-border: rgba(45, 181, 229, 0.2);
    --primary-gradient: linear-gradient(135deg, #2db5e5 0%, #1e90d0 100%);
    --accent-gradient: linear-gradient(135deg, #ff6b35 0%, #f54725 100%);
    --pro-gradient: linear-gradient(135deg, #9d50bb 0%, #6e48aa 100%);
    --glow-color: rgba(45, 181, 229, 0.4);
    --text-main: #ffffff;
    --text-muted: #8090a5;
    --success: #2ecc71;
    --error: #e74c3c;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Glassmorphism with glow */
.glass {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    box-shadow: 0 0 40px rgba(45, 181, 229, 0.1);
    transition: var(--transition);
}

.glass:hover {
    box-shadow: 0 0 60px rgba(45, 181, 229, 0.2);
    border-color: rgba(45, 181, 229, 0.4);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 30px;
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
nav {
    padding: 0 30px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 10px;
    z-index: 100;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    text-decoration: none;
    color: white;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links {
    display: flex;
    gap: 35px;
    list-style: none;
}

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

.nav-links a:hover {
    color: white;
}

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

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

/* Buttons */
.btn {
    padding: 14px 28px;
    border-radius: 14px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 25px var(--glow-color);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px var(--glow-color);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Hero Section */
.hero {
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, var(--glow-color) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

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

/* Feature Cards */
.feature-card {
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    min-height: 220px;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 1.2rem;
}

/* Pricing Cards */
.pricing-card {
    padding: 35px;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    border: 2px solid rgba(45, 181, 229, 0.5);
}

.pricing-card.featured::before {
    content: 'Популярный';
    position: absolute;
    top: 15px;
    right: -30px;
    background: var(--primary-gradient);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 5px 40px;
    transform: rotate(45deg);
}

.pricing-header {
    margin-bottom: 25px;
}

.pricing-header h3 {
    font-size: 1.4rem;
    margin-bottom: 5px;
}

.pricing-header .duration {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 25px;
}

.price span {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-muted);
}

.features-list {
    list-style: none;
    margin-bottom: 30px;
    flex-grow: 1;
}

.features-list li {
    padding: 10px 0;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
}

.features-list li i {
    color: var(--success);
    font-size: 0.9rem;
}

/* Info Section */
.info-section {
    max-width: 650px;
    margin: 80px auto 60px;
    padding: 50px 40px;
    text-align: center;
    border-radius: 24px;
}

.info-section h3 {
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.info-section ol {
    text-align: left;
    padding-left: 20px;
    color: var(--text-muted);
}

.info-section ol li {
    padding: 8px 0;
}

/* FAQ Accordion */
.faq-item {
    padding: 25px 30px;
    margin-bottom: 15px;
}

.faq-item h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.faq-item p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 30px var(--glow-color);
    }

    50% {
        box-shadow: 0 0 60px var(--glow-color);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.glow-animation {
    animation: glow 3s ease-in-out infinite;
}

/* Footer */
footer {
    padding: 50px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 80px;
    text-align: center;
    color: var(--text-muted);
}

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

footer a:hover {
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn-outline {
        margin-left: 0 !important;
    }
}

/* Mobile navigation fix */
@media (max-width: 768px) {
    nav.glass {
        flex-wrap: wrap;
        padding: 15px 20px !important;
        gap: 10px;
    }
    
    .logo {
        flex: 1;
        font-size: 1.1rem;
    }
    
    .nav-actions {
        order: 2;
    }
    
    .nav-actions .btn {
        padding: 10px 15px !important;
        font-size: 0.85rem !important;
    }
    
    .nav-actions .btn i {
        display: none;
    }
}

@media (max-width: 480px) {
    nav.glass {
        justify-content: space-between;
    }
    
    .logo {
        font-size: 1rem;
    }
    
    .nav-actions .btn {
        padding: 8px 12px !important;
        font-size: 0.8rem !important;
    }
}


/* Navigation bar responsive fix - v2 */
.nav-bar {
    margin-top: 20px;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

@media (max-width: 768px) {
    .nav-bar {
        padding: 12px 15px !important;
        flex-wrap: nowrap;
    }
    
    .nav-bar .logo {
        font-size: 1rem;
        white-space: nowrap;
    }
    
    .nav-bar .nav-actions {
        margin-left: auto;
    }
    
    .nav-bar .btn-nav {
    padding: 0 30px;
        padding: 8px 12px !important;
        font-size: 0.8rem !important;
        white-space: nowrap;
    }
    
    .nav-bar .btn-nav i {
        display: none;
    }
    
    .nav-bar .btn-nav .btn-text {
        font-size: 0.75rem;
    }
}

@media (max-width: 400px) {
    .nav-bar .logo {
        font-size: 0.9rem;
    }
    
    .nav-bar .btn-nav {
    padding: 0 30px;
        padding: 6px 10px !important;
        font-size: 0.7rem !important;
    }
    
    .nav-bar .btn-nav .btn-text {
        font-size: 0.7rem;
    }
}