/* ============================================
   Design System Tokens (Betovo Sportsbook)
   ============================================ */

:root {
    /* Colors - Background */
    --color-bg-page: #242424;
    --color-bg-surface1: #1F1F1F;
    --color-bg-surface2: #292929;
    --color-bg-surface3: #333333;
    
    /* Colors - Text */
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #C7C7C7;
    --color-text-muted: #A7AAAD;
    --color-text-on-accent: #1C1C1C;
    
    /* Colors - Accent */
    --color-accent-lime: #93FD3B;
    --color-accent-lime-text: #5EF338;
    --color-accent-lime-line-start: #7DFD39;
    --color-accent-lime-line-end: #99FD39;
    
    /* Colors - Status */
    --color-status-live: #C82C31;
    
    /* Colors - Borders */
    --color-border-subtle: #2F2F2F;
    --color-border-strong: #C7C7C7;
    
    /* Gradients */
    --gradient-neon-divider: linear-gradient(90deg, #7DFD39 0%, #99FD39 100%);
    --gradient-surface-soft: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.00) 100%);
    
    /* Shadows */
    --shadow-glow-lime: 0 0 18px rgba(147,253,59,0.35);
    --shadow-elevation1: 0 6px 18px rgba(0,0,0,0.55);
    --shadow-elevation2: 0 14px 40px rgba(0,0,0,0.65);
    
    /* Border Radius */
    --radius-xs: 8px;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Spacing */
    --spacing-grid: 8px;
    --spacing-container: 16px;
    
    /* Typography */
    --font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    --font-size-h1: 28px;
    --font-size-h2: 20px;
    --font-size-body: 14px;
    --font-size-caption: 12px;
    --font-weight-h1: 800;
    --font-weight-h2: 800;
    --font-weight-body: 500;
    --font-weight-caption: 600;
    --line-height-h1: 1.15;
    --line-height-h2: 1.2;
    --line-height-body: 1.45;
    --line-height-caption: 1.35;
    
    /* Motion */
    --transition-hover: 120ms ease-out;
    --transition-press: 80ms ease-out;
    --focus-ring: 0 0 0 2px rgba(147,253,59,0.55);
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 16px;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-body);
    line-height: var(--line-height-body);
    color: var(--color-text-primary);
    background-color: var(--color-bg-page);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color var(--transition-hover);
}

a:hover {
    color: var(--color-accent-lime-text);
}

a:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 2px;
}

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: all var(--transition-hover);
}

button:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 2px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--color-border-subtle);
}

th {
    font-weight: 600;
    color: var(--color-text-primary);
    background-color: var(--color-bg-surface2);
}

td {
    color: var(--color-text-secondary);
}

ul, ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

li {
    margin: 0.5rem 0;
    color: var(--color-text-secondary);
}

p {
    margin: 1rem 0;
    color: var(--color-text-secondary);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-h1);
    line-height: var(--line-height-h1);
    margin: 1.5rem 0 1rem;
}

h1 {
    font-size: var(--font-size-h1);
    font-weight: var(--font-weight-h1);
    line-height: var(--line-height-h1);
}

h2 {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-h2);
    line-height: var(--line-height-h2);
}

h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 1rem 0 0.5rem;
}

/* ============================================
   Utility Classes
   ============================================ */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

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

/* ============================================
   Header Styles
   ============================================ */

header {
    background-color: var(--color-bg-surface1);
    border-bottom: 1px solid var(--color-border-subtle);
    position: sticky;
    top: 0;
    z-index: 1000;
    /* Performance optimization */
    will-change: transform;
    contain: layout style paint;
}

.header-top {
    background-color: var(--color-bg-surface1);
    border-bottom: 1px solid var(--color-border-subtle);
}

.header-top__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    min-height: 56px;
}

.logo img {
    height: 42px;
    width: auto;
    display: block;
}

.logo svg,
.logo img[src$=".svg"] {
    height: 42px;
    width: auto;
    display: block;
}

.header-top__actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.header-top__actions-mobile {
    display: none;
    gap: 8px;
    align-items: center;
}

.burger-menu {
    display: none;
    flex-direction: column;
    gap: 4px;
    width: 24px;
    height: 24px;
    padding: 0;
}

.burger-menu span {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-hover);
}

.header-bottom {
    background-color: var(--color-bg-surface1);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 24px;
    padding: 0;
    margin: 0;
    justify-content: center;
    padding: 16px 0;
}

.main-nav a {
    color: var(--color-text-primary);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.main-nav a:hover,
.main-nav a:focus {
    color: var(--color-accent-lime-text);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent-lime-text);
    transition: width var(--transition-hover);
}

.main-nav a:hover::after,
.main-nav a:focus::after {
    width: 100%;
}


/* Table of Contents */
.toc-wrapper {
    background-color: var(--color-bg-surface1);
    border-bottom: 1px solid var(--color-border-subtle);
    overflow: hidden;
    position: sticky;
    top: 56px;
    z-index: 999;
    /* Performance optimization */
    will-change: transform;
    contain: layout style paint;
}

.toc {
    padding: 12px 0;
}

.toc__list {
    display: flex;
    list-style: none;
    gap: 16px;
    padding: 0;
    margin: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.toc__list::-webkit-scrollbar {
    display: none;
}

.toc__list li {
    margin: 0;
    flex-shrink: 0;
}

.toc__list a {
    color: var(--color-text-muted);
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-caption);
    padding: 6px 12px;
    border-radius: var(--radius-xs);
    white-space: nowrap;
    display: block;
    transition: all var(--transition-hover);
}

.toc__list a:hover,
.toc__list a:focus {
    color: var(--color-text-primary);
    background-color: var(--color-bg-surface2);
}

.toc__list a.active {
    color: var(--color-accent-lime-text);
    background-color: var(--color-bg-surface2);
}

/* ============================================
   Icon Buttons (Mobile)
   ============================================ */

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-hover);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
    stroke-width: 2.5;
}

.btn-icon--register {
    background-color: var(--color-accent-lime);
    color: var(--color-text-on-accent);
    box-shadow: var(--shadow-glow-lime);
}

.btn-icon--register:hover {
    background-color: #A7FF46;
    box-shadow: 0 0 22px rgba(147,253,59,0.45);
}

.btn-icon--register:active {
    background-color: #7BEF22;
    transform: translateY(1px);
}

.btn-icon--app {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-border-strong);
}

.btn-icon--app:hover {
    background-color: rgba(255,255,255,0.06);
}

.btn-icon--app:active {
    background-color: rgba(255,255,255,0.10);
}

/* ============================================
   Button Styles
   ============================================ */

.btn {
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: var(--font-size-body);
    min-width: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-hover);
}

.btn--cta {
    background-color: var(--color-accent-lime);
    color: var(--color-text-on-accent);
    box-shadow: var(--shadow-glow-lime);
}

.btn--cta:hover {
    background-color: #A7FF46;
    box-shadow: 0 0 22px rgba(147,253,59,0.45);
}

.btn--cta:active {
    background-color: #7BEF22;
    transform: translateY(1px);
}

.btn--cta:disabled {
    background-color: rgba(147,253,59,0.25);
    color: rgba(255,255,255,0.45);
    box-shadow: none;
    cursor: not-allowed;
}

.btn--app {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-border-strong);
}

.btn--app:hover {
    background-color: rgba(255,255,255,0.06);
}

.btn--app:active {
    background-color: rgba(255,255,255,0.10);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    padding: 48px 0;
    background-color: var(--color-bg-page);
}

.hero h1 {
    margin-bottom: 24px;
    text-align: center;
}

.hero__content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 32px;
    align-items: start;
    margin-top: 32px;
}

.hero__lead {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.reading-time {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-secondary);
    font-size: var(--font-size-caption);
    margin-top: 0;
}

.reading-time__label {
    font-weight: var(--font-weight-caption);
}

.reading-time__value {
    color: var(--color-text-primary);
    font-weight: 600;
}

.hero__meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
    padding: 12px 16px;
    background-color: var(--color-bg-surface1);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-sm);
    max-width: fit-content;
}

.hero__fact-check {
    display: inline-flex;
    align-items: center;
    color: var(--color-text-secondary);
    font-size: var(--font-size-caption);
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.hero__fact-check span::before {
    content: '✓ ';
    color: var(--color-accent-lime-text);
    font-weight: bold;
    margin-right: 4px;
}

.hero__image {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
}

.hero__image figure {
    width: 100%;
    margin: 0;
    padding: 12px;
    background: radial-gradient(circle at center, rgba(147,253,59,0.1) 0%, transparent 70%);
    border-radius: var(--radius-md);
}

.hero__image img {
    max-width: 100%;
    max-height: 400px;
    width: auto;
    height: auto;
    border-radius: var(--radius-md);
    object-fit: contain;
    box-shadow: 0 0 30px rgba(147,253,59,0.2), 0 0 60px rgba(125,253,57,0.15), 0 0 90px rgba(153,253,57,0.1);
    margin: 0 auto;
    /* Performance optimization */
    content-visibility: auto;
    contain-intrinsic-size: 600px 400px;
}

.btn--hero {
    width: 100%;
    max-width: 250px;
    margin-top: 16px;
}


/* ============================================
   Games Section
   ============================================ */

.games {
    padding: 48px 0;
    background-color: var(--color-bg-surface1);
}

.games__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.game-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--color-bg-surface2);
    box-shadow: var(--shadow-elevation1);
    transition: transform var(--transition-hover), box-shadow var(--transition-hover);
    /* Performance optimization */
    will-change: transform;
    contain: layout style paint;
}

.game-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-elevation2);
}

.game-card__link {
    display: block;
    position: relative;
    padding-top: 100%;
    overflow: hidden;
}

.game-card__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    box-shadow: inset 0 0 20px rgba(147,253,59,0.1);
}

.game-card__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-hover);
}

.game-card:hover .game-card__overlay {
    opacity: 1;
}

.game-card__play {
    animation: popIn 0.3s ease-out;
}

@keyframes popIn {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ============================================
   Breadcrumbs
   ============================================ */

.breadcrumbs {
    background-color: var(--color-bg-surface1);
    border-bottom: 1px solid var(--color-border-subtle);
    padding: 12px 0;
}

.breadcrumbs ol {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.breadcrumbs li {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: var(--font-size-caption);
}

.breadcrumbs li::after {
    content: '›';
    margin-left: 8px;
    color: var(--color-text-muted);
}

.breadcrumbs li:last-child::after {
    display: none;
}

.breadcrumbs a {
    color: var(--color-text-secondary);
    transition: color var(--transition-hover);
}

.breadcrumbs a:hover {
    color: var(--color-accent-lime-text);
}

.breadcrumbs li:last-child {
    color: var(--color-text-primary);
}

/* ============================================
   Step-by-Step Sections
   ============================================ */

.steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    list-style: none;
    padding: 0;
    margin: 24px 0;
    counter-reset: step-counter;
}

.step-card {
    position: relative;
    background-color: var(--color-bg-surface2);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-elevation1);
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: transform var(--transition-hover), box-shadow var(--transition-hover);
}

.step-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-elevation2);
}

.step-index {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-accent-lime);
    color: var(--color-text-on-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    box-shadow: var(--shadow-glow-lime);
}

.step-body {
    flex: 1;
}

.step-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0 0 8px 0;
}

.step-body p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-body);
}

/* ============================================
   Bonus Slider Sections
   ============================================ */

.bonus-slider {
    position: relative;
    margin: 32px 0;
    padding: 0 40px;
}

.bonus-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 0;
    scroll-snap-type: x mandatory;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.bonus-cards::-webkit-scrollbar {
    display: none;
}

.bonus-card {
    background-color: var(--color-bg-surface2);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-elevation1);
    scroll-snap-align: start;
    min-width: 280px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: transform var(--transition-hover), box-shadow var(--transition-hover);
}

.bonus-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-elevation2);
    border-color: var(--color-accent-lime-text);
}

.bonus-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-text-primary);
    margin: 0;
}

.bonus-desc {
    color: var(--color-text-secondary);
    margin: 0;
    flex: 1;
}

.bonus-card .btn {
    width: 100%;
    margin-top: auto;
}

.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-bg-surface2);
    border: 1px solid var(--color-border-subtle);
    color: var(--color-text-primary);
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-hover);
}

.slider-prev {
    left: 0;
}

.slider-next {
    right: 0;
}

.slider-prev:hover,
.slider-next:hover {
    background-color: var(--color-bg-surface3);
    border-color: var(--color-accent-lime-text);
    color: var(--color-accent-lime-text);
}

/* ============================================
   Content Sections
   ============================================ */

.content-section {
    padding: 48px 0;
    background-color: var(--color-bg-page);
}

.hero + .content-section {
    border-top: 1px solid var(--color-border-subtle);
}

.content-section:nth-child(even) {
    background-color: var(--color-bg-surface1);
}

.content-section h2 {
    margin-bottom: 24px;
}

.section-image {
    margin: 16px 0;
    text-align: center;
    padding: 12px;
    background: radial-gradient(circle at center, rgba(147,253,59,0.08) 0%, transparent 70%);
    border-radius: var(--radius-md);
}

.section-image img {
    max-width: 70%;
    max-height: 350px;
    width: auto;
    height: auto;
    border-radius: var(--radius-md);
    object-fit: contain;
    margin: 0 auto;
    box-shadow: 0 0 25px rgba(147,253,59,0.18), 0 0 50px rgba(125,253,57,0.12), 0 0 75px rgba(153,253,57,0.08);
}

.content {
    margin-top: 24px;
}

.content h3 {
    margin-top: 32px;
    margin-bottom: 16px;
}

/* ============================================
   Author Section
   ============================================ */

.author-section {
    padding: 48px 0;
    background-color: var(--color-bg-surface1);
}

.author {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    padding: 24px;
    background-color: var(--color-bg-surface2);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-elevation1);
}

.author__avatar {
    width: 80px !important;
    height: 80px !important;
    min-width: 80px !important;
    min-height: 80px !important;
    max-width: 80px !important;
    max-height: 80px !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    flex-shrink: 0;
    display: block;
    box-shadow: 0 0 20px rgba(147,253,59,0.25), 0 0 40px rgba(125,253,57,0.15);
    background: radial-gradient(circle at center, rgba(147,253,59,0.1) 0%, transparent 70%);
    border: 2px solid var(--color-border-subtle);
    overflow: hidden;
}

.author__info {
    flex: 1;
}

.author__name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.author__bio {
    color: var(--color-text-secondary);
    margin-bottom: 12px;
}

.author__date {
    color: var(--color-text-muted);
    font-size: var(--font-size-caption);
}

/* ============================================
   FAQ Section
   ============================================ */

.faq-section {
    padding: 48px 0;
    background-color: var(--color-bg-page);
}

.faq {
    margin-top: 24px;
}

.faq details {
    margin-bottom: 16px;
    background-color: var(--color-bg-surface2);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-subtle);
    overflow: hidden;
}

.faq summary {
    padding: 16px 20px;
    cursor: pointer;
    font-weight: 600;
    color: var(--color-text-primary);
    list-style: none;
    position: relative;
    user-select: none;
}

.faq summary::-webkit-details-marker {
    display: none;
}

.faq summary::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    font-weight: 300;
    color: var(--color-accent-lime-text);
    transition: transform var(--transition-hover);
}

.faq details[open] summary::after {
    content: '−';
    transform: translateY(-50%) rotate(0deg);
}

.faq summary:hover {
    background-color: var(--color-bg-surface3);
}

.faq__content {
    padding: 0 20px 20px;
    color: var(--color-text-secondary);
}

.faq__content p {
    margin: 0;
}

/* ============================================
   Footer
   ============================================ */

footer {
    background-color: var(--color-bg-surface1);
    border-top: 1px solid var(--color-border-subtle);
    padding: 48px 0 24px;
    margin-top: 48px;
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer__logo img {
    height: 42px;
    width: auto;
    margin-bottom: 16px;
    display: block;
}

.footer__logo svg,
.footer__logo img[src$=".svg"] {
    height: 42px;
    width: auto;
    display: block;
}

.footer__nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer__nav li {
    margin: 8px 0;
}

.footer__nav a {
    color: var(--color-text-secondary);
    font-size: var(--font-size-body);
}

.footer__nav a:hover {
    color: var(--color-accent-lime-text);
}

.footer__payment h3 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--color-text-primary);
}

.payment-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.payment-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.payment-icon {
    padding: 6px 12px;
    background-color: var(--color-bg-surface2);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xs);
    font-size: 12px;
    color: var(--color-text-secondary);
    font-weight: 600;
    transition: all var(--transition-hover);
}

.payment-icon:hover {
    background-color: var(--color-bg-surface3);
    color: var(--color-text-primary);
}

.footer__responsible {
    display: flex;
    align-items: center;
}

.footer__responsible img {
    height: 40px;
    width: auto;
}

.footer__copyright {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--color-border-subtle);
    color: var(--color-text-muted);
    font-size: var(--font-size-caption);
}

/* ============================================
   Back to Top Button
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-accent-lime);
    color: var(--color-text-on-accent);
    font-size: 24px;
    box-shadow: var(--shadow-glow-lime);
    /* Performance optimization */
    will-change: transform;
    contain: layout style paint;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top:hover {
    background-color: #A7FF46;
    transform: translateY(-2px);
}

/* ============================================
   Mobile Styles
   ============================================ */

@media (max-width: 768px) {
    :root {
        --container-padding: 16px;
        --font-size-h1: 24px;
        --font-size-h2: 18px;
    }
    
    .header-top__actions {
        display: none;
    }
    
    .header-top__actions-mobile {
        display: flex;
    }
    
    .burger-menu {
        display: flex;
    }
    
    .header-bottom {
        display: none;
    }
    
    .header-bottom.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
        padding: 16px 0;
    }
    
    .main-nav li {
        border-bottom: 1px solid var(--color-border-subtle);
    }
    
    .main-nav a {
        display: block;
        padding: 12px 0;
    }
    
    .hero__content {
        grid-template-columns: 1fr;
    }
    
    .hero__image {
        order: 2;
    }
    
    .hero__image img {
        max-height: 300px;
    }
    
    .hero__text {
        order: 1;
    }
    
    .section-image img {
        max-width: 85%;
        max-height: 280px;
    }
    
    .games__grid {
        grid-template-columns: repeat(10, 1fr);
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 12px;
        padding-bottom: 8px;
    }
    
    .game-card {
        min-width: 160px;
        scroll-snap-align: start;
    }
    
    .author {
        flex-direction: column;
        text-align: center;
    }
    
    .author__avatar {
        margin: 0 auto;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    th, td {
        min-width: 120px;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .bonus-slider {
        padding: 0;
    }
    
    .bonus-cards {
        grid-template-columns: repeat(10, 1fr);
        overflow-x: auto;
        scroll-snap-type: x mandatory;
    }
    
    .bonus-card {
        min-width: 280px;
    }
    
    .slider-prev,
    .slider-next {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 32px 0;
    }
    
    .content-section {
        padding: 32px 0;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}