/* =================================================================
   YEPKAZINO.ORG.GR - DARK THEME STYLESHEET
   Dark theme CSS with full responsiveness for mobile and desktop
   ================================================================= */

/* =================================================================
   CSS VARIABLES - Color scheme and spacing
   ================================================================= */
:root {
    /* Color palette - Dark theme */
    --primary-color: #e63946;        /* Bright red for CTAs and accents */
    --secondary-color: #f1faee;      /* Light cream for text */
    --dark-bg: #0d1117;              /* Very dark background */
    --dark-surface: #161b22;         /* Slightly lighter surface */
    --dark-elevated: #1c2128;        /* Elevated surfaces like cards */
    --text-primary: #e6edf3;         /* Primary text color */
    --text-secondary: #8b949e;       /* Secondary text color */
    --border-color: #30363d;         /* Border color for elements */
    --overlay-bg: rgba(13, 17, 23, 0.85); /* Semi-transparent overlay */
    
    /* Spacing system */
    --spacing-xs: 0.5rem;    /* 8px */
    --spacing-sm: 1rem;      /* 16px */
    --spacing-md: 1.5rem;    /* 24px */
    --spacing-lg: 2rem;      /* 32px */
    --spacing-xl: 3rem;      /* 48px */
    --spacing-xxl: 4rem;     /* 64px */
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    --font-size-base: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    /* Lock scroll for mobile - prevents horizontal scrolling */
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

/* =================================================================
   TYPOGRAPHY STYLES
   ================================================================= */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem); /* Responsive font size */
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-top: var(--spacing-xl);
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    margin-top: var(--spacing-lg);
}

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

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

a:hover {
    color: var(--secondary-color);
}

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

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

/* =================================================================
   CONTAINER - Center content with max width
   ================================================================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* =================================================================
   HEADER SECTION - Logo, navigation, and CTA buttons
   ================================================================= */
.header {
    background-color: var(--dark-surface);
    padding: 10px 0; /* Reduced from var(--spacing-md) to make header thinner */
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

/* Logo styling */
.logo img {
    max-width: 100px; /* Reduced from 150px to make logo smaller */
    height: auto;
    display: block;
}

/* Navigation menu - Desktop */
.nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
}

.nav a {
    color: var(--text-primary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav a:hover,
.nav a[aria-current="page"] {
    background-color: var(--dark-elevated);
    color: var(--primary-color);
}

/* Header CTA buttons */
.header-cta {
    display: flex;
    gap: var(--spacing-sm);
}

/* Mobile menu toggle button */
.mobile-menu-toggle {
    display: none; /* Hidden on desktop */
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Mobile menu - Hidden by default */
.mobile-menu {
    display: none;
    background-color: var(--dark-elevated);
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.mobile-menu ul {
    list-style: none;
    margin: 0;
}

.mobile-menu li {
    margin-bottom: var(--spacing-sm);
}

.mobile-menu a {
    display: block;
    padding: var(--spacing-sm);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
}

.mobile-menu a:hover {
    background-color: var(--dark-surface);
}

/* Mobile menu active state */
.mobile-menu.active {
    display: block;
}

/* =================================================================
   BUTTON STYLES - Primary, secondary, and large variations
   ================================================================= */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    text-decoration: none;
}

/* Primary button - Red background */
.btn-primary {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.btn-primary:hover {
    background-color: #d62839;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(230, 57, 70, 0.4);
}

/* Secondary button - Outlined style */
.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--dark-elevated);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Large button variation */
.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

/* =================================================================
   BREADCRUMBS - Navigation path indicator
   ================================================================= */
.breadcrumbs {
    background-color: var(--dark-surface);
    padding: 8px 0; /* Reduced from var(--spacing-sm) to make breadcrumbs thinner */
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem; /* Smaller font size for thinner appearance */
}

.breadcrumbs ol {
    display: flex;
    list-style: none;
    margin: 0;
    flex-wrap: wrap;
}

.breadcrumbs li {
    display: flex;
    align-items: center;
    margin: 0;
}

.breadcrumbs li:not(:last-child)::after {
    content: '›';
    margin: 0 var(--spacing-xs);
    color: var(--text-secondary);
}

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

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

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

/* =================================================================
   HERO BANNER SECTION - Full width banner with overlay CTA
   ================================================================= */
.hero-banner {
    position: relative;
    width: 100%;
    overflow: hidden;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Banner image - Responsive */
.hero-banner picture {
    width: 100%;
    display: block;
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* CTA Overlay - Semi-transparent block positioned in center */
.hero-cta-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--overlay-bg);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 90%;
    width: 500px;
    border: 1px solid var(--border-color);
}

.hero-cta-content h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    margin-top: 0;
}

.hero-cta-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
}

/* =================================================================
   POPULAR SLOTS SECTION - Grid layout for slot games
   ================================================================= */
.popular-slots {
    padding: var(--spacing-xxl) 0;
    background-color: var(--dark-bg);
}

.popular-slots h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    margin-top: 0;
}

/* Slots grid - 6 per row on desktop, responsive on mobile */
.slots-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr); /* 6 columns on desktop */
    gap: var(--spacing-md);
}

.slot-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    transition: transform var(--transition-normal);
    background-color: var(--dark-elevated);
}

.slot-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(230, 57, 70, 0.3);
}

.slot-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
}

/* =================================================================
   CONTENT SECTION - Main article content
   ================================================================= */
.content-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--dark-bg);
}

.content-section .container {
    max-width: 900px;
}

/* CTA buttons container at the end of content */
.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    justify-content: center;
    flex-wrap: wrap;
}

/* =================================================================
   TABLE STYLES - Responsive tables for desktop and mobile
   ================================================================= */
.table-wrapper {
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--dark-surface);
}

thead {
    background-color: var(--dark-elevated);
}

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

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

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

tbody tr:hover {
    background-color: var(--dark-elevated);
}

/* Hide data labels on desktop */
td[data-label]::before {
    display: none;
}

/* =================================================================
   FOOTER SECTION - Payment logos, navigation, and legal info
   ================================================================= */
.footer {
    background-color: var(--dark-surface);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Payment systems section */
.payment-systems {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.payment-systems h3 {
    margin-bottom: var(--spacing-lg);
    margin-top: 0;
}

/* Payment grid - Display payment logos in rows */
.payment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: var(--spacing-md);
    align-items: center;
    justify-items: center;
}

.payment-grid img {
    max-width: 60px;
    height: auto;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    filter: brightness(0.9);
}

.payment-grid img:hover {
    opacity: 1;
}

/* Footer navigation columns */
.footer-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.footer-column h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.footer-column ul {
    list-style: none;
    margin: 0;
}

.footer-column li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

/* Footer bottom section */
.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

.disclaimer {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* =================================================================
   RESPONSIVE DESIGN - Mobile styles (max-width: 768px)
   ================================================================= */
@media screen and (max-width: 768px) {
    
    /* Typography adjustments for mobile */
    html {
        font-size: 14px;
    }
    
    /* Header adjustments */
    .nav,
    .header-cta {
        display: none; /* Hide desktop nav on mobile */
    }
    
    .mobile-menu-toggle {
        display: flex; /* Show hamburger menu on mobile */
    }
    
    /* Mobile menu visible when active */
    .mobile-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--dark-elevated);
    }
    
    /* Hero banner adjustments */
    .hero-banner {
        min-height: 300px;
    }
    
    .hero-cta-overlay {
        padding: var(--spacing-lg);
        width: 90%;
    }
    
    .hero-cta-content h2 {
        font-size: 1.5rem;
    }
    
    .hero-cta-content p {
        font-size: 1rem;
    }
    
    /* Slots grid - 3 per row on mobile */
    .slots-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
    
    /* Table mobile adaptation - Stack columns vertically */
    table {
        border: 0;
    }
    
    table thead {
        display: none; /* Hide table headers on mobile */
    }
    
    table tbody,
    table tr,
    table td {
        display: block;
        width: 100%;
    }
    
    table tr {
        margin-bottom: var(--spacing-md);
        background-color: var(--dark-elevated);
        border-radius: var(--radius-md);
        padding: var(--spacing-sm);
    }
    
    table td {
        text-align: right;
        padding: var(--spacing-sm) var(--spacing-sm);
        position: relative;
        border: none;
    }
    
    /* Show data labels on mobile */
    table td[data-label]::before {
        content: attr(data-label);
        float: left;
        font-weight: 600;
        color: var(--text-primary);
    }
    
    /* Footer adjustments */
    .footer-nav {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .payment-grid {
        grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
        gap: var(--spacing-sm);
    }
    
    .payment-grid img {
        max-width: 50px;
    }
    
    /* CTA buttons stack on mobile */
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
}

/* =================================================================
   TABLET ADJUSTMENTS (max-width: 1024px)
   ================================================================= */
@media screen and (max-width: 1024px) {
    
    /* Slots grid - 4 per row on tablet */
    .slots-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
}

/* =================================================================
   VERY SMALL MOBILE (max-width: 480px)
   ================================================================= */
@media screen and (max-width: 480px) {
    
    /* Slots grid - 2 per row on very small screens */
    .slots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Footer nav single column */
    .footer-nav {
        grid-template-columns: 1fr;
    }
    
    /* Hero CTA smaller text */
    .hero-cta-content h2 {
        font-size: 1.25rem;
    }
    
    .hero-cta-content p {
        font-size: 0.875rem;
    }
    
}

/* =================================================================
   ACCESSIBILITY IMPROVEMENTS
   ================================================================= */

/* Focus styles for keyboard navigation */
a:focus,
button:focus,
.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip to content link for screen readers */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: var(--secondary-color);
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-to-content:focus {
    top: 0;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* =================================================================
   PRINT STYLES - Optimize for printing
   ================================================================= */
@media print {
    .header,
    .footer,
    .breadcrumbs,
    .hero-banner,
    .popular-slots,
    .cta-buttons,
    .mobile-menu-toggle {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}