/* ========================================
   RENDERBOOST - Custom Professional Styles
   Dark theme, modern, trustworthy design
   ======================================== */

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors - Sophisticated Dark Palette */
    --color-bg-primary: #0a0a0b;
    --color-bg-secondary: #141416;
    --color-bg-tertiary: #1a1a1d;
    --color-bg-elevated: #1f1f23;
    
    /* Accent - Trustworthy Green */
    --color-accent-primary: #10b981;
    --color-accent-secondary: #059669;
    --color-accent-light: #34d399;
    
    /* Text */
    --color-text-primary: #f3f4f6;
    --color-text-secondary: #9ca3af;
    --color-text-muted: #6b7280;
    
    /* Borders */
    --color-border: #27272a;
    --color-border-light: #3f3f46;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(16, 185, 129, 0.15);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    /* Hide native scrollbar (Firefox) */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

/* Hide native scrollbar (WebKit browsers) */
html::-webkit-scrollbar,
body::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

/* === CUSTOM SCROLLBAR (overlay) === */
.custom-scrollbar-track {
    position: fixed;
    top: 0;
    right: 0;
    width: 10px;
    height: 100vh;
    z-index: 9999;
    background: transparent;
    pointer-events: none;
}

.custom-scrollbar-thumb {
    position: absolute;
    right: 2px;
    width: 6px;
    border-radius: 999px;
    background: #34d399;
    opacity: 0.55;
    transition: opacity var(--transition-base), width var(--transition-base), background var(--transition-base);
    pointer-events: auto;
    cursor: pointer;
}

.custom-scrollbar-track:hover .custom-scrollbar-thumb,
.custom-scrollbar-thumb.is-dragging {
    opacity: 0.95;
    width: 8px;
    right: 1px;
}

.custom-scrollbar-thumb.is-dragging {
    background: #10b981;
}

@media (max-width: 768px) {
    .custom-scrollbar-track {
        width: 4px;
    }
    .custom-scrollbar-thumb {
        width: 4px;
        right: 0;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* === HEADER / NAVIGATION === */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(0);
    transition: transform 450ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow var(--transition-base);
    will-change: transform;
}

.site-header.header-hidden {
    transform: translateY(-100%);
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.brand {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: color var(--transition-base);
}

.brand:hover {
    color: var(--color-accent-primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color var(--transition-base);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-primary);
    transition: width var(--transition-base);
}

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

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

.lang-switcher {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.lang-switcher a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-xs);
    transition: color var(--transition-fast);
}

.lang-switcher a.active {
    color: var(--color-accent-primary);
}

.lang-switcher a:hover {
    color: var(--color-text-primary);
}

.lang-switcher .divider {
    color: var(--color-border-light);
}

/* === HERO SECTION === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 70px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(#0a0a0b 0%, #141416 50%, #0a0a0b 100%);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
    animation: pulse-glow 8s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #f3f4f6 0%, #9ca3af 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    background: var(--color-accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.3);
}

.btn-secondary {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-light);
}

.btn-secondary:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-accent-primary);
}

.btn-telegram {
    background: #229ED9;
    color: white;
}

.btn-telegram:hover {
    background: #1e8bc3;
    transform: translateY(-2px);
}

.btn-discord {
    background: #5865F2;
    color: white;
}

.btn-discord:hover {
    background: #4752c4;
    transform: translateY(-2px);
}

/* === SECTIONS === */
.section {
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--color-border);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header.center {
    margin-bottom: var(--spacing-xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-accent-primary);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* === ABOUT SECTION === */
.about-section {
    background: var(--color-bg-secondary);
}

.about-content {
    display: grid;
    gap: var(--spacing-2xl);
}

.about-text {
    display: grid;
    gap: var(--spacing-md);
}

.about-text p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* === PROCESS SECTION === */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.step-card {
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    position: relative;
}

.step-card:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border-light);
}

.step-highlight {
    border-color: var(--color-accent-primary);
    background: rgba(16, 185, 129, 0.05);
}

.step-highlight:hover {
    box-shadow: var(--shadow-glow);
}

.step-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.step-content p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

/* === PRICING SECTION === */
.pricing-section {
    background: var(--color-bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card-popular {
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    font-size: var(--font-size-xs);
    font-weight: 700;
    border-radius: var(--radius-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.plan-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.plan-desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.plan-price {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.price {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-accent-primary);
    display: block;
}

.unit {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.plan-features {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

.plan-features li {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

/* === CONTACT SECTION === */
.contact-section {
    background: var(--color-bg-primary);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.payment-info {
    background: var(--color-bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    text-align: center;
}

.payment-info h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.payment-subtitle {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.wallet-box {
    max-width: 600px;
    margin: 0 auto;
}

.wallet-box label {
    display: block;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.wallet-input {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.wallet-input code {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-accent-primary);
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    word-break: break-all;
}

.btn-copy {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-copy:hover {
    background: var(--color-accent-secondary);
}

.wallet-warning {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    line-height: 1.5;
    padding: var(--spacing-sm);
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-md);
    border-left: 3px solid #ef4444;
}

/* === FOOTER === */
.site-footer {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.site-footer p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
}

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

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

.footer-links span {
    color: var(--color-border-light);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .main-nav {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        height: 64px;
        padding: 0;
        gap: var(--spacing-sm);
    }

    .nav-links {
        display: none;
    }

    .lang-switcher {
        margin-left: auto;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
    }
    
    .contact-buttons {
        flex-direction: column;
    }
}

/* === UTILITY CLASSES === */
.text-center {
    text-align: center;
}

.center {
    text-align: center;
}

/* === HERO BACKGROUND IMAGE === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 70px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

/* Добавьте эти новые классы */
.absolute {
    position: absolute;
}

.inset-0 {
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

.z-0 {
    z-index: 0;
}

.w-full {
    width: 100%;
}

.h-full {
    height: 100%;
}

.object-cover {
    object-fit: cover;
}

.opacity-30 {
    opacity: 0.3;
}

/* Градиент поверх изображения */
.bg-gradient-to-t {
    background-image: linear-gradient(
        to top, 
        var(--color-bg-primary), 
        rgba(1, 10, 11, 0.4), 
        var(--color-bg-primary)
    );
}

/* Убедитесь, что контент поверх фона */
.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    margin-top: 80px;
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-2xl) 0;
}

picture {
    display: block;
    width: 100%;
    height: 100%;
}