/**
 * OKPUN Info Website - CSS Stylesheet
 * All classes use g17d- prefix for namespace isolation
 *
 * @version 1.0.0
 * @author OKPUN Design Team
 */

/* Root variables with custom color palette */
:root {
    /* Primary colors from prompt: #FF7F50 | #E9967A | #F08080 | #0000FF | #2E4057 */
    --g17d-primary: #FF7F50;
    --g17d-secondary: #E9967A;
    --g17d-accent: #F08080;
    --g17d-dark: #2E4057;
    --g17d-blue: #0000FF;

    /* Text colors */
    --g17d-text-primary: #333333;
    --g17d-text-secondary: #666666;
    --g17d-text-light: #FFFFFF;

    /* Background colors */
    --g17d-bg-primary: #FFFFFF;
    --g17d-bg-secondary: #F8F9FA;
    --g17d-bg-dark: #2E4057;

    /* Spacing */
    --g17d-spacing-xs: 0.5rem;
    --g17d-spacing-sm: 1rem;
    --g17d-spacing-md: 1.5rem;
    --g17d-spacing-lg: 2rem;
    --g17d-spacing-xl: 3rem;

    /* Borders */
    --g17d-border-radius: 8px;
    --g17d-border-radius-lg: 12px;
    --g17d-border-width: 1px;
    --g17d-border-color: #E5E7EB;

    /* Shadows */
    --g17d-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --g17d-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --g17d-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --g17d-transition-fast: 150ms ease-in-out;
    --g17d-transition-normal: 300ms ease-in-out;
    --g17d-transition-slow: 500ms ease-in-out;
}

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

html {
    font-size: 62.5%; /* 1rem = 10px for better rem calculations */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.5;
    color: var(--g17d-text-primary);
    background-color: var(--g17d-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container for consistent width */
.g17d-container {
    max-width: 430px;
    margin: 0 auto;
    padding: 0 var(--g17d-spacing-sm);
}

/* Header navigation */
.g17d-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--g17d-bg-primary);
    border-bottom: 1px solid var(--g17d-border-color);
    transition: var(--g17d-transition-normal);
}

.g17d-header.scrolled {
    box-shadow: var(--g17d-shadow-md);
}

.g17d-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--g17d-spacing-sm) 0;
}

.g17d-logo {
    display: flex;
    align-items: center;
    gap: var(--g17d-spacing-xs);
}

.g17d-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--g17d-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--g17d-text-light);
    font-size: 1.6rem;
}

.g17d-logo span {
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--g17d-text-primary);
}

.g17d-header-actions {
    display: flex;
    gap: var(--g17d-spacing-xs);
}

.g17d-btn {
    padding: var(--g17d-spacing-xs) var(--g17d-spacing-sm);
    border: none;
    border-radius: var(--g17d-border-radius);
    font-size: 1.2rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--g17d-transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--g17d-spacing-xs);
}

.g17d-btn-primary {
    background-color: var(--g17d-primary);
    color: var(--g17d-text-light);
}

.g17d-btn-primary:hover {
    background-color: var(--g17d-accent);
    transform: translateY(-1px);
}

.g17d-btn-secondary {
    background-color: transparent;
    color: var(--g17d-primary);
    border: 1px solid var(--g17d-primary);
}

.g17d-btn-secondary:hover {
    background-color: var(--g17d-primary);
    color: var(--g17d-text-light);
}

.g17d-btn-outline {
    background-color: transparent;
    color: var(--g17d-text-primary);
    border: 1px solid var(--g17d-border-color);
}

.g17d-btn-outline:hover {
    background-color: var(--g17d-bg-secondary);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 3px;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--g17d-text-primary);
    border-radius: 2px;
    transition: var(--g17d-transition-fast);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    overflow-y: auto;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu-list {
    list-style: none;
    padding: var(--g17d-spacing-lg) var(--g17d-spacing-sm);
}

.mobile-menu-item {
    margin-bottom: var(--g17d-spacing-sm);
}

.mobile-menu-link {
    display: block;
    padding: var(--g17d-spacing-sm);
    color: var(--g17d-text-light);
    text-decoration: none;
    font-size: 1.4rem;
    border-radius: var(--g17d-border-radius);
    transition: var(--g17d-transition-fast);
}

.mobile-menu-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Main content with padding for header */
main {
    padding-top: 80px;
    padding-bottom: 80px;
}

/* Section styles */
.g17d-section {
    margin-bottom: var(--g17d-spacing-lg);
}

.g17d-section-header {
    display: flex;
    align-items: center;
    gap: var(--g17d-spacing-sm);
    margin-bottom: var(--g17d-spacing-md);
}

.g17d-section-icon {
    width: 32px;
    height: 32px;
    background-color: var(--g17d-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--g17d-text-light);
    font-size: 1.6rem;
}

.g17d-section-title {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--g17d-text-primary);
}

/* Card styles */
.g17d-card {
    background-color: var(--g17d-bg-primary);
    border: 1px solid var(--g17d-border-color);
    border-radius: var(--g17d-border-radius);
    padding: var(--g17d-spacing-md);
    box-shadow: var(--g17d-shadow-sm);
    transition: var(--g17d-transition-normal);
}

.g17d-card:hover {
    box-shadow: var(--g17d-shadow-md);
    transform: translateY(-2px);
}

.g17d-card-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--g17d-text-primary);
    margin-bottom: var(--g17d-spacing-xs);
}

.g17d-card-content {
    font-size: 1.2rem;
    color: var(--g17d-text-secondary);
    line-height: 1.6;
}

/* Grid system */
.g17d-grid {
    display: grid;
    gap: var(--g17d-spacing-sm);
}

.g17d-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.g17d-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.g17d-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Game grid */
.g17d-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--g17d-spacing-xs);
}

.g17d-game-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--g17d-border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--g17d-transition-fast);
}

.g17d-game-item:hover {
    transform: scale(1.05);
}

.g17d-game-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.g17d-game-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--g17d-text-light);
    padding: var(--g17d-spacing-xs);
    font-size: 1rem;
    font-weight: 500;
}

/* Carousel styles */
#carousel {
    position: relative;
    margin-bottom: var(--g17d-spacing-lg);
    border-radius: var(--g17d-border-radius-lg);
    overflow: hidden;
}

.carousel-slide {
    display: none;
    width: 100%;
    height: 200px;
}

.carousel-slide.active {
    display: block;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-indicators {
    position: absolute;
    bottom: var(--g17d-spacing-xs);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--g17d-spacing-xs);
}

.carousel-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--g17d-transition-fast);
}

.carousel-indicator.active {
    background-color: var(--g17d-primary);
    width: 24px;
    border-radius: 4px;
}

/* Feature list */
.g17d-feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--g17d-spacing-md);
}

.g17d-feature-item {
    display: flex;
    align-items: center;
    gap: var(--g17d-spacing-sm);
}

.g17d-feature-icon {
    width: 40px;
    height: 40px;
    background-color: var(--g17d-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--g17d-text-light);
    font-size: 1.6rem;
    flex-shrink: 0;
}

.g17d-feature-text {
    font-size: 1.2rem;
    color: var(--g17d-text-secondary);
}

/* Footer */
.g17d-footer {
    background-color: var(--g17d-bg-dark);
    color: var(--g17d-text-light);
    padding: var(--g17d-spacing-lg) 0;
    margin-top: var(--g17d-spacing-xl);
}

.g17d-footer-content {
    text-align: center;
}

.g17d-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--g17d-spacing-md);
    margin-bottom: var(--g17d-spacing-lg);
}

.g17d-footer-link {
    color: var(--g17d-text-light);
    text-decoration: none;
    font-size: 1.2rem;
    transition: var(--g17d-transition-fast);
}

.g17d-footer-link:hover {
    color: var(--g17d-primary);
    text-decoration: underline;
}

.g17d-partners {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--g17d-spacing-sm);
    margin-bottom: var(--g17d-spacing-lg);
}

.g17d-partner {
    width: 40px;
    height: 40px;
    border-radius: var(--g17d-border-radius);
    object-fit: cover;
    background-color: rgba(255, 255, 255, 0.1);
}

.g17d-copyright {
    font-size: 1.1rem;
    color: var(--g17d-text-light);
    opacity: 0.8;
}

/* Mobile navigation */
.g17d-mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--g17d-bg-dark);
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.g17d-mobile-nav-content {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 64px;
    padding: 0 var(--g17d-spacing-sm);
}

.g17d-mobile-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--g17d-spacing-xs);
    color: var(--g17d-text-light);
    text-decoration: none;
    transition: var(--g17d-transition-fast);
    min-width: 60px;
}

.g17d-mobile-nav-btn:hover {
    color: var(--g17d-primary);
}

.g17d-mobile-nav-icon {
    font-size: 1.8rem;
}

.g17d-mobile-nav-label {
    font-size: 1rem;
    font-weight: 500;
}

/* Text utilities */
.g17d-text-center {
    text-align: center;
}

.g17d-text-left {
    text-align: left;
}

.g17d-text-right {
    text-align: right;
}

.g17d-text-sm {
    font-size: 1.2rem;
}

.g17d-text-lg {
    font-size: 1.6rem;
}

.g17d-text-xl {
    font-size: 2rem;
}

.g17d-text-bold {
    font-weight: bold;
}

.g17d-text-muted {
    color: var(--g17d-text-secondary);
}

/* Animation classes */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive design */
@media (max-width: 768px) {
    .g17d-container {
        max-width: 100%;
    }

    .g17d-game-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 769px) {
    .menu-toggle {
        display: none;
    }

    .g17d-header-content {
        padding: var(--g17d-spacing-sm) var(--g17d-spacing-lg);
    }

    .g17d-btn {
        padding: var(--g17d-spacing-sm) var(--g17d-spacing-md);
    }

    main {
        padding-bottom: var(--g17d-spacing-xl);
    }

    .g17d-mobile-nav {
        display: none;
    }
}

/* Step number styling for guides */
.g17d-step-number {
    width: 24px;
    height: 24px;
    background-color: var(--g17d-primary);
    color: var(--g17d-text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    flex-shrink: 0;
}

/* Helper classes */
.g17d-p-2 {
    padding: var(--g17d-spacing-xs);
}

.g17d-mt-2 {
    margin-top: var(--g17d-spacing-xs);
}

.g17d-mb-2 {
    margin-bottom: var(--g17d-spacing-xs);
}

.g17d-mt-3 {
    margin-top: var(--g17d-spacing-sm);
}

.g17d-mb-3 {
    margin-bottom: var(--g17d-spacing-sm);
}

.g17d-w-full {
    width: 100%;
}

.g17d-mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.g17d-rounded {
    border-radius: var(--g17d-border-radius);
}

.g17d-shadow-lg {
    box-shadow: var(--g17d-shadow-lg);
}

.g17d-gap-2 {
    gap: var(--g17d-spacing-xs);
}