/**
 * QBTS Stock - Main Stylesheet
 * All classes use prefix 'pg30-' for namespace isolation
 * Mobile-first responsive design (max-width: 430px)
 * Version: 1.0.0
 */

/* ========================================
   CSS Variables - Color Palette
   ======================================== */
:root {
    --pg30-bg-dark: #141414;
    --pg30-bg-medium: #1e1e1e;
    --pg30-bg-light: #2a2a2a;
    --pg30-primary: #778899;
    --pg30-accent: #F0E68C;
    --pg30-text-primary: #ffffff;
    --pg30-text-secondary: #b0b0b0;
    --pg30-text-muted: #888888;
    --pg30-border: #3a3a3a;
    --pg30-success: #4CAF50;
    --pg30-warning: #FF9800;
    --pg30-error: #f44336;
    --pg30-shadow: rgba(0, 0, 0, 0.3);
    --pg30-transition: 0.3s ease;
}

/* ========================================
   Base Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--pg30-bg-dark);
    color: var(--pg30-text-primary);
    line-height: 1.5rem;
    font-size: 1.4rem;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--pg30-accent);
    text-decoration: none;
    transition: color var(--pg30-transition);
}

a:hover {
    color: var(--pg30-primary);
}

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

ul, ol {
    list-style: none;
}

/* ========================================
   Layout Components
   ======================================== */
.pg30-container {
    width: 100%;
    max-width: 430px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.pg30-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.pg30-main {
    flex: 1;
    padding-bottom: 8rem;
}

.pg30-section {
    padding: 2rem 0;
}

.pg30-section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--pg30-accent);
    margin-bottom: 1.5rem;
    text-align: center;
}

/* ========================================
   Header Styles
   ======================================== */
.pg30-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(180deg, var(--pg30-bg-dark) 0%, rgba(20, 20, 20, 0.95) 100%);
    border-bottom: 1px solid var(--pg30-border);
    transition: all var(--pg30-transition);
}

.pg30-header-scrolled {
    background: rgba(20, 20, 20, 0.98);
    box-shadow: 0 2px 10px var(--pg30-shadow);
}

.pg30-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5.6rem;
    padding: 0 1.5rem;
}

.pg30-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.pg30-logo-icon {
    width: 3.2rem;
    height: 3.2rem;
}

.pg30-logo-text {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--pg30-accent);
    letter-spacing: 0.5px;
}

.pg30-header-actions {
    display: flex;
    gap: 1rem;
}

.pg30-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.6rem;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 0.8rem;
    border: none;
    cursor: pointer;
    transition: all var(--pg30-transition);
    min-height: 4.4rem;
    min-width: 8rem;
}

.pg30-btn-primary {
    background: linear-gradient(135deg, var(--pg30-accent) 0%, #d4c77a 100%);
    color: var(--pg30-bg-dark);
}

.pg30-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(240, 230, 140, 0.4);
}

.pg30-btn-secondary {
    background: var(--pg30-bg-light);
    color: var(--pg30-text-primary);
    border: 1px solid var(--pg30-border);
}

.pg30-btn-secondary:hover {
    background: var(--pg30-primary);
    color: var(--pg30-bg-dark);
}

/* ========================================
   Navigation Styles
   ======================================== */
.pg30-nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.8rem;
    background: transparent;
    border: none;
    cursor: pointer;
    min-width: 4.4rem;
    min-height: 4.4rem;
    align-items: center;
    justify-content: center;
}

.pg30-nav-toggle span {
    display: block;
    width: 2.4rem;
    height: 0.25rem;
    background: var(--pg30-text-primary);
    border-radius: 0.2rem;
    transition: all var(--pg30-transition);
}

/* Mobile Menu Overlay */
.x30ea-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--pg30-transition);
}

.x30ea-overlay-visible {
    opacity: 1;
    visibility: visible;
}

/* Mobile Menu */
.x30ea-mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background: var(--pg30-bg-medium);
    z-index: 10000;
    transition: right var(--pg30-transition);
    overflow-y: auto;
}

.x30ea-menu-visible {
    right: 0;
}

.x30ea-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--pg30-border);
}

.x30ea-menu-close {
    width: 4.4rem;
    height: 4.4rem;
    background: transparent;
    border: none;
    color: var(--pg30-text-primary);
    font-size: 2.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.x30ea-menu-nav {
    padding: 1.5rem;
}

.pg30-nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    color: var(--pg30-text-primary);
    font-size: 1.4rem;
    font-weight: 500;
    border-radius: 0.8rem;
    transition: all var(--pg30-transition);
    margin-bottom: 0.5rem;
}

.pg30-nav-link:hover {
    background: var(--pg30-bg-light);
    color: var(--pg30-accent);
}

.pg30-nav-link.active {
    background: var(--pg30-primary);
    color: var(--pg30-bg-dark);
}

.pg30-nav-icon {
    width: 2rem;
    height: 2rem;
    font-size: 1.8rem;
}

/* ========================================
   Carousel Styles
   ======================================== */
.pg30-carousel {
    position: relative;
    margin-top: 5.6rem;
    overflow: hidden;
    border-radius: 1.2rem;
}

.x30ea-carousel-container {
    position: relative;
    width: 100%;
    height: 20rem;
}

.x30ea-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
}

.x30ea-slide-active {
    opacity: 1;
    visibility: visible;
}

.x30ea-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 1.2rem;
}

.x30ea-slide-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 1.5rem;
    background: linear-gradient(transparent, rgba(20, 20, 20, 0.95));
    border-radius: 0 0 1.2rem 1.2rem;
}

.x30ea-slide-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--pg30-text-primary);
    margin-bottom: 0.5rem;
}

.x30ea-slide-desc {
    font-size: 1.2rem;
    color: var(--pg30-text-secondary);
}

.x30ea-carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-top: 1rem;
}

.x30ea-carousel-dot {
    width: 0.8rem;
    height: 0.8rem;
    border-radius: 50%;
    background: var(--pg30-border);
    cursor: pointer;
    transition: all var(--pg30-transition);
}

.x30ea-dot-active {
    background: var(--pg30-accent);
    width: 2rem;
    border-radius: 0.4rem;
}

/* ========================================
   Game Card Styles
   ======================================== */
.pg30-game-section {
    padding: 2rem 0;
}

.pg30-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.pg30-section-more {
    font-size: 1.2rem;
    color: var(--pg30-primary);
    font-weight: 500;
}

.pg30-game-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.x30ea-game-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: var(--pg30-bg-medium);
    border-radius: 1rem;
    cursor: pointer;
    transition: all var(--pg30-transition);
    border: 1px solid transparent;
}

.x30ea-game-card:hover {
    transform: translateY(-4px);
    border-color: var(--pg30-accent);
    box-shadow: 0 8px 20px var(--pg30-shadow);
}

.x30ea-game-icon {
    width: 8rem;
    height: 8rem;
    border-radius: 0.8rem;
    margin-bottom: 0.8rem;
    object-fit: cover;
}

.x30ea-game-name {
    font-size: 1rem;
    font-weight: 500;
    color: var(--pg30-text-primary);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

/* ========================================
   Feature Section Styles
   ======================================== */
.pg30-feature-grid {
    display: grid;
    gap: 1.5rem;
}

.pg30-feature-card {
    background: var(--pg30-bg-medium);
    border-radius: 1.2rem;
    padding: 2rem;
    border: 1px solid var(--pg30-border);
    transition: all var(--pg30-transition);
}

.pg30-feature-card:hover {
    border-color: var(--pg30-primary);
    transform: translateY(-2px);
}

.pg30-feature-icon {
    width: 4.8rem;
    height: 4.8rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
    background: var(--pg30-bg-light);
    border-radius: 1rem;
    color: var(--pg30-accent);
}

.pg30-feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pg30-text-primary);
    margin-bottom: 1rem;
}

.pg30-feature-desc {
    font-size: 1.3rem;
    color: var(--pg30-text-secondary);
    line-height: 1.6;
}

/* ========================================
   RTP Section Styles
   ======================================== */
.pg30-rtp-section {
    background: var(--pg30-bg-medium);
    border-radius: 1.2rem;
    padding: 2rem;
    margin: 2rem 0;
}

.pg30-rtp-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.pg30-rtp-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    background: var(--pg30-accent);
    color: var(--pg30-bg-dark);
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 0.6rem;
}

.pg30-rtp-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--pg30-text-primary);
}

.pg30-rtp-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.pg30-rtp-item {
    background: var(--pg30-bg-light);
    padding: 1.2rem;
    border-radius: 0.8rem;
    text-align: center;
}

.pg30-rtp-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--pg30-accent);
    margin-bottom: 0.5rem;
}

.pg30-rtp-label {
    font-size: 1.1rem;
    color: var(--pg30-text-secondary);
}

/* ========================================
   FAQ Section Styles
   ======================================== */
.pg30-faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pg30-faq-item {
    background: var(--pg30-bg-medium);
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid var(--pg30-border);
}

.pg30-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    cursor: pointer;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--pg30-text-primary);
    transition: all var(--pg30-transition);
}

.pg30-faq-question:hover {
    background: var(--pg30-bg-light);
}

.pg30-faq-icon {
    font-size: 1.6rem;
    color: var(--pg30-primary);
    transition: transform var(--pg30-transition);
}

.pg30-faq-item.active .pg30-faq-icon {
    transform: rotate(180deg);
}

.pg30-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--pg30-transition);
}

.pg30-faq-item.active .pg30-faq-answer {
    max-height: 50rem;
}

.pg30-faq-content {
    padding: 0 1.5rem 1.5rem;
    font-size: 1.3rem;
    color: var(--pg30-text-secondary);
    line-height: 1.6;
}

/* ========================================
   CTA Section Styles
   ======================================== */
.pg30-cta-section {
    background: linear-gradient(135deg, var(--pg30-primary) 0%, var(--pg30-accent) 100%);
    border-radius: 1.2rem;
    padding: 3rem 2rem;
    text-align: center;
    margin: 2rem 0;
}

.pg30-cta-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--pg30-bg-dark);
    margin-bottom: 1rem;
}

.pg30-cta-desc {
    font-size: 1.3rem;
    color: var(--pg30-bg-dark);
    opacity: 0.9;
    margin-bottom: 2rem;
}

.pg30-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.2rem 3rem;
    background: var(--pg30-bg-dark);
    color: var(--pg30-text-primary);
    font-size: 1.4rem;
    font-weight: 700;
    border-radius: 1rem;
    cursor: pointer;
    transition: all var(--pg30-transition);
    border: none;
}

.pg30-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* ========================================
   Bottom Navigation Styles
   ======================================== */
.pg30-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 6rem;
    background: linear-gradient(180deg, var(--pg30-bg-dark) 0%, var(--pg30-bg-medium) 100%);
    border-top: 1px solid var(--pg30-border);
    padding: 0.5rem 1rem 1rem;
    box-shadow: 0 -4px 20px var(--pg30-shadow);
}

.pg30-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    min-width: 6rem;
    min-height: 6rem;
    padding: 0.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--pg30-transition);
    border-radius: 0.8rem;
}

.pg30-nav-btn:hover {
    background: var(--pg30-bg-light);
}

.pg30-nav-btn.active {
    background: var(--pg30-primary);
}

.pg30-nav-btn.active .pg30-nav-btn-icon,
.pg30-nav-btn.active .pg30-nav-btn-text {
    color: var(--pg30-bg-dark);
}

.pg30-nav-btn-icon {
    font-size: 2rem;
    color: var(--pg30-text-secondary);
    transition: color var(--pg30-transition);
}

.pg30-nav-btn-text {
    font-size: 1rem;
    color: var(--pg30-text-muted);
    font-weight: 500;
}

/* ========================================
   Footer Styles
   ======================================== */
.pg30-footer {
    background: var(--pg30-bg-medium);
    border-top: 1px solid var(--pg30-border);
    padding: 3rem 0 2rem;
    margin-top: 2rem;
}

.pg30-footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.pg30-footer-link {
    display: block;
    padding: 0.8rem;
    font-size: 1.2rem;
    color: var(--pg30-text-secondary);
    border-radius: 0.6rem;
    transition: all var(--pg30-transition);
}

.pg30-footer-link:hover {
    background: var(--pg30-bg-light);
    color: var(--pg30-accent);
}

.pg30-partners {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 2rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--pg30-border);
    border-bottom: 1px solid var(--pg30-border);
}

.pg30-partner-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 0.6rem;
    object-fit: cover;
    opacity: 0.7;
    transition: opacity var(--pg30-transition);
}

.pg30-partner-icon:hover {
    opacity: 1;
}

.pg30-footer-copyright {
    text-align: center;
    font-size: 1.1rem;
    color: var(--pg30-text-muted);
    padding: 1rem 0;
}

/* ========================================
   Partner Section Styles
   ======================================== */
.pg30-partner-section {
    background: var(--pg30-bg-light);
    border-radius: 1.2rem;
    padding: 2rem;
    margin: 2rem 0;
}

.pg30-partner-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--pg30-text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.pg30-partner-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
}

/* ========================================
   Stats Section Styles
   ======================================== */
.pg30-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.pg30-stat-item {
    text-align: center;
    padding: 1.5rem 1rem;
    background: var(--pg30-bg-medium);
    border-radius: 1rem;
    border: 1px solid var(--pg30-border);
}

.pg30-stat-value {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--pg30-accent);
    margin-bottom: 0.5rem;
}

.pg30-stat-label {
    font-size: 1.1rem;
    color: var(--pg30-text-secondary);
}

/* ========================================
   Text Content Styles
   ======================================== */
.pg30-text-content {
    font-size: 1.4rem;
    color: var(--pg30-text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.pg30-text-content strong {
    color: var(--pg30-accent);
    font-weight: 600;
}

.pg30-text-content h2 {
    font-size: 1.6rem;
    color: var(--pg30-text-primary);
    margin: 2rem 0 1rem;
}

.pg30-text-content h3 {
    font-size: 1.4rem;
    color: var(--pg30-text-primary);
    margin: 1.5rem 0 0.8rem;
}

.pg30-text-content ul,
.pg30-text-content ol {
    margin: 1rem 0 1rem 2rem;
    list-style: disc;
}

.pg30-text-content li {
    margin-bottom: 0.5rem;
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (min-width: 768px) {
    .pg30-container {
        max-width: 750px;
    }

    .pg30-game-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .pg30-feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pg30-rtp-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .pg30-footer-links {
        grid-template-columns: repeat(3, 1fr);
    }

    .pg30-bottom-nav {
        display: none;
    }

    .pg30-main {
        padding-bottom: 0;
    }
}

@media (min-width: 1024px) {
    .pg30-container {
        max-width: 1000px;
    }

    .pg30-game-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.pg30-text-center {
    text-align: center;
}

.pg30-mt-2 {
    margin-top: 2rem;
}

.pg30-mb-2 {
    margin-bottom: 2rem;
}

.pg30-p-2 {
    padding: 2rem;
}

.pg30-bg-medium {
    background: var(--pg30-bg-medium);
}

.pg30-rounded {
    border-radius: 1.2rem;
}

.pg30-hidden {
    display: none !important;
}

.pg30-visible {
    display: block !important;
}