/* ============================================
   VOX Casino - Dark Theme Stylesheet
   ============================================
   This stylesheet implements a dark theme design
   with full responsive support for mobile and desktop.
   Components are organized by sections with detailed comments.
   ============================================ */

/* ============================================
   CSS Variables - Dark Theme Colors & Spacing
   ============================================
   Centralized color system for easy theme management
   ============================================ */
:root {
    /* Primary Colors */
    --color-primary: #c9a961;
    --color-primary-dark: #b8954a;
    --color-primary-light: #d4b675;
    
    /* Dark Theme Backgrounds */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #1a1a1a;
    --color-bg-tertiary: #2a2a2a;
    --color-bg-card: #1f1f1f;
    
    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #cccccc;
    --color-text-muted: #888888;
    
    /* Accent & Status Colors */
    --color-accent: #4a9eff;
    --color-success: #4caf50;
    --color-warning: #ff9800;
    --color-error: #f44336;
    
    /* Border & Divider */
    --color-border: #333333;
    --color-border-light: #444444;
    
    /* Spacing Scale */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Typography */
    --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
}

/* ============================================
   Reset & Base Styles
   ============================================
   Normalize default browser styles and set base typography
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    /* Prevent horizontal scroll on mobile */
    overflow-x: hidden;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    /* Lock screen orientation on mobile */
    overscroll-behavior-y: contain;
    /* Prevent text selection issues on mobile */
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Mobile Screen Lock
   ============================================
   Prevent screen rotation and ensure fixed viewport
   ============================================ */
@media (max-width: 768px) {
    html,
    body {
        position: fixed;
        width: 100%;
        height: 100%;
        overflow: hidden;
    }
    
    body {
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    main {
        /* Allow scrolling within main content */
        height: 100%;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* ============================================
   Typography
   ============================================
   Headings and text styling for readability
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

ul, ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

li {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-secondary);
}

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

a:hover,
a:focus {
    color: var(--color-primary-light);
    text-decoration: underline;
}

a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

/* ============================================
   Container - Content Wrapper
   ============================================
   Centered container with max-width and responsive padding
   ============================================ */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================
   Header & Navigation
   ============================================
   Top navigation bar with logo and menu
   ============================================ */
.header {
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.nav {
    padding: var(--spacing-xs) 0;
}

.nav__wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo__img {
    height: 40px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
}

/* Navigation Menu */
.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav__link {
    color: var(--color-text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: background-color var(--transition-fast);
}

.nav__link:hover,
.nav__link:focus {
    background-color: var(--color-bg-tertiary);
    text-decoration: none;
}

/* Mobile Navigation Toggle Button */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
    /* Hide burger menu toggle on mobile */
    .nav__toggle {
        display: none !important;
    }
    
    /* Hide all nav links except Login on mobile */
    .nav__menu .nav__link:not(.btn--primary) {
        display: none;
    }
    
    /* Show only Login button */
    .nav__menu {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .nav__link.btn--primary {
        margin-left: auto;
    }
}

/* Desktop: Ensure menu is always visible */
@media (min-width: 769px) {
    .nav__menu {
        position: static;
        transform: none !important;
        display: flex !important;
    }
}

/* ============================================
   Breadcrumbs
   ============================================
   Navigation trail for SEO and user orientation
   ============================================ */
.breadcrumbs {
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

.breadcrumbs__list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
}

.breadcrumbs__item {
    display: flex;
    align-items: center;
    font-size: var(--font-size-sm);
}

.breadcrumbs__item:not(:last-child)::after {
    content: '/';
    margin-left: var(--spacing-xs);
    color: var(--color-text-muted);
}

.breadcrumbs__link {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.breadcrumbs__current {
    color: var(--color-text-muted);
}

/* ============================================
   Banner Section
   ============================================
   Hero banner with CTA overlay (centered for mobile and web)
   ============================================ */
.banner {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.banner__image {
    width: 100%;
    position: relative;
    z-index: 1;
}

.banner__img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* Semi-transparent CTA overlay - centered for both mobile and web */
.banner__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    text-align: center;
    pointer-events: none;
}

.banner__content {
    max-width: 600px;
    padding: var(--spacing-xl);
    background-color: rgba(10, 10, 10, 0.7);
    border-radius: 12px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(201, 169, 97, 0.3);
    pointer-events: auto;
}

.banner__title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.banner__text {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

/* Banner Responsive */
@media (max-width: 768px) {
    .banner__content {
        padding: var(--spacing-md);
        max-width: 90%;
    }
    
    .banner__title {
        font-size: var(--font-size-2xl);
    }
    
    .banner__text {
        font-size: var(--font-size-base);
    }
}

/* ============================================
   Buttons
   ============================================
   Reusable button components with multiple variants
   ============================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1.5;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-bg-primary);
}

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--cta {
    background-color: var(--color-primary);
    color: var(--color-bg-primary);
    font-size: var(--font-size-lg);
    padding: var(--spacing-md) var(--spacing-xl);
}

.btn--cta:hover {
    background-color: var(--color-primary-dark);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-xl);
}

/* ============================================
   Popular Slots Section
   ============================================
   Grid layout: 6 columns on desktop, responsive for mobile
   ============================================ */
.slots {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-secondary);
}

.section__title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-primary);
}

.slots__grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
}

.slot-card {
    background-color: var(--color-bg-card);
    border-radius: 8px;
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border: 1px solid var(--color-border);
}

.slot-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.slot-card__link {
    display: block;
    width: 100%;
    height: 100%;
}

.slot-card__image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 1 / 1;
}

/* Slots Grid Responsive */
@media (max-width: 1024px) {
    .slots__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .slots__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .slots__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   Main Content Area
   ============================================
   Article content with sections and typography
   ============================================ */
.main {
    padding: 0;
}

.content {
    background-color: var(--color-bg-primary);
}

.content__section {
    margin-bottom: var(--spacing-xxl);
}

.content__heading {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border);
}

.content__subheading {
    color: var(--color-text-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

/* Steps Component */
.steps {
    margin: var(--spacing-lg) 0;
}

.step {
    background-color: var(--color-bg-card);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
}

.step__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

/* Problem Component */
.problem {
    background-color: var(--color-bg-card);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--color-warning);
}

.problem__title {
    color: var(--color-warning);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

/* ============================================
   Tables - Responsive Design
   ============================================
   Tables adapt to mobile by converting to card layout
   ============================================ */
.table-wrapper {
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-bg-card);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table caption {
    caption-side: top;
    text-align: left;
    font-weight: 600;
    color: var(--color-primary);
    padding: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.table thead {
    background-color: var(--color-bg-tertiary);
}

.table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-border);
}

.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.table tbody tr:hover {
    background-color: var(--color-bg-tertiary);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Mobile Table Adaptation - Convert to Card Layout */
@media (max-width: 768px) {
    .table-wrapper {
        overflow-x: visible;
    }
    
    .table,
    .table thead,
    .table tbody,
    .table th,
    .table td,
    .table tr {
        display: block;
    }
    
    .table thead {
        position: absolute;
        left: -9999px;
        opacity: 0;
    }
    
    .table tr {
        background-color: var(--color-bg-card);
        margin-bottom: var(--spacing-md);
        padding: var(--spacing-md);
        border-radius: 8px;
        border: 1px solid var(--color-border);
        box-shadow: var(--shadow-sm);
    }
    
    .table td {
        border: none;
        padding: var(--spacing-xs) 0 var(--spacing-sm) var(--spacing-md);
        text-align: left;
        position: relative;
        padding-left: 50%;
    }
    
    .table td::before {
        content: attr(data-label);
        position: absolute;
        left: 0;
        width: 45%;
        padding-right: var(--spacing-xs);
        white-space: nowrap;
        font-weight: 600;
        color: var(--color-primary);
    }
    
    .table td:last-child {
        border-bottom: 1px solid var(--color-border);
        margin-bottom: var(--spacing-xs);
        padding-bottom: var(--spacing-sm);
    }
    
    .table tr:last-child td:last-child {
        border-bottom: none;
        margin-bottom: 0;
        padding-bottom: 0;
    }
    
    .table caption {
        margin-bottom: var(--spacing-md);
        padding: 0;
    }
}

/* ============================================
   CTA Section
   ============================================
   Call-to-action section with prominent buttons
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
    padding: var(--spacing-xxl) 0;
    margin: var(--spacing-xxl) 0;
    border-radius: 12px;
    text-align: center;
}

.cta-section__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-2xl);
}

.cta-section__text {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
}

.cta-section__features {
    background-color: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: 8px;
    margin: var(--spacing-lg) auto;
    max-width: 600px;
    text-align: left;
}

.cta-section__features ul {
    list-style: none;
    padding-left: 0;
}

.cta-section__features li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-primary);
}

.cta-section__promo {
    margin: var(--spacing-lg) 0;
    font-size: var(--font-size-lg);
    color: var(--color-primary);
}

/* ============================================
   FAQ Section
   ============================================
   Accordion-style FAQ with accessible interactions
   ============================================ */
.faq {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-secondary);
}

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

.faq__question {
    margin-bottom: var(--spacing-sm);
}

.faq__button {
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    text-align: left;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq__button:hover,
.faq__button:focus {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-primary);
    outline: none;
}

.faq__button[aria-expanded="true"] {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-primary);
    color: var(--color-primary);
    border-radius: 8px 8px 0 0;
}

.faq__button::after {
    content: '+';
    font-size: var(--font-size-xl);
    font-weight: 300;
    color: var(--color-primary);
    transition: transform var(--transition-fast);
}

.faq__button[aria-expanded="true"]::after {
    transform: rotate(45deg);
}

.faq__answer {
    padding: 0 var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.faq__question[aria-expanded="true"] ~ .faq__answer,
.faq__answer[aria-hidden="false"] {
    max-height: 500px;
    padding: var(--spacing-md);
    background-color: var(--color-bg-card);
    border-radius: 0 0 8px 8px;
    border: 1px solid var(--color-border);
    border-top: none;
    margin-top: -1px;
}

/* ============================================
   Footer
   ============================================
   Footer with payment method logos and site links
   ============================================ */
.footer {
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xxl);
}

.footer__payments {
    margin-bottom: var(--spacing-xl);
}

.payments {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
}

.payments__logo {
    height: 40px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    filter: grayscale(30%);
    opacity: 0.8;
    transition: all var(--transition-fast);
}

.payments__logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.1);
}

.footer__info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.footer__copyright {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    text-align: center;
}

.footer__nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.footer__link {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Footer Responsive */
@media (max-width: 768px) {
    .payments {
        gap: var(--spacing-sm);
    }
    
    .payments__logo {
        height: 30px;
        max-width: 80px;
    }
    
    .footer__nav {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xs);
    }
}

/* ============================================
   Utility Classes
   ============================================
   Helper classes for common patterns
   ============================================ */
.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;
}

/* ============================================
   Print Styles
   ============================================
   Optimize layout for printing
   ============================================ */
@media print {
    .header,
    .footer,
    .banner__overlay,
    .btn,
    .nav,
    .breadcrumbs {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .content {
        background: white;
    }
}