/**
 * Staphwin Club - Main Stylesheet
 * Mobile-first responsive design
 * Prefix: saf2-
 */

/* CSS Variables */
:root {
    --saf2-primary: #48D1CC;
    --saf2-secondary: #1E90FF;
    --saf2-accent: #AFEEEE;
    --saf2-bg: #0D1117;
    --saf2-bg-light: #161B22;
    --saf2-bg-card: #1C2128;
    --saf2-text: #AFEEEE;
    --saf2-text-light: #E8F4F8;
    --saf2-text-muted: #8B949E;
    --saf2-border: #30363D;
    --saf2-success: #3FB950;
    --saf2-warning: #D29922;
    --saf2-gradient: linear-gradient(135deg, #48D1CC 0%, #1E90FF 100%);
    --saf2-shadow: 0 4px 20px rgba(72, 209, 204, 0.15);
    --saf2-radius: 12px;
    --saf2-radius-sm: 8px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--saf2-bg);
    color: var(--saf2-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

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

/* Header */
.saf2-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--saf2-border);
    padding: 12px 16px;
    transition: all 0.3s ease;
}

.saf2-header-scrolled {
    background: rgba(13, 17, 23, 0.98);
    box-shadow: var(--saf2-shadow);
}

.saf2-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 430px;
    margin: 0 auto;
}

.saf2-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.saf2-logo-img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.saf2-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--saf2-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.saf2-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.saf2-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: var(--saf2-radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.saf2-btn-primary {
    background: var(--saf2-gradient);
    color: var(--saf2-bg);
}

.saf2-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(72, 209, 204, 0.4);
}

.saf2-btn-outline {
    background: transparent;
    color: var(--saf2-accent);
    border: 1px solid var(--saf2-primary);
}

.saf2-btn-outline:hover {
    background: rgba(72, 209, 204, 0.1);
}

.saf2-menu-toggle {
    background: transparent;
    border: none;
    color: var(--saf2-text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px;
    display: none;
}

/* Mobile Menu */
.saf2-mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--saf2-bg-light);
    z-index: 9999;
    transition: right 0.3s ease;
    padding: 80px 24px 24px;
    overflow-y: auto;
}

.saf2-menu-active {
    right: 0;
}

.saf2-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.saf2-overlay-active {
    opacity: 1;
    visibility: visible;
}

.saf2-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--saf2-text);
    font-size: 1.5rem;
    cursor: pointer;
}

.saf2-menu-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.saf2-menu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--saf2-radius-sm);
    color: var(--saf2-text);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.saf2-menu-link:hover {
    background: rgba(72, 209, 204, 0.1);
    color: var(--saf2-accent);
}

.saf2-menu-link i {
    width: 24px;
    text-align: center;
    font-size: 1.1rem;
}

/* Main Content */
.saf2-main {
    padding-top: 70px;
    padding-bottom: 80px;
}

/* Banner Section */
.saf2-banner {
    position: relative;
    overflow: hidden;
    margin: 16px;
    border-radius: var(--saf2-radius);
}

.saf2-banner-slider {
    position: relative;
}

.saf2-banner-slide {
    display: none;
    width: 100%;
    border-radius: var(--saf2-radius);
}

.saf2-slide-active {
    display: block;
}

.saf2-banner-slide img {
    width: 100%;
    border-radius: var(--saf2-radius);
}

/* Section Titles */
.saf2-section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--saf2-text-light);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.saf2-section-title i {
    color: var(--saf2-primary);
}

/* Category Tabs */
.saf2-category-tabs {
    display: flex;
    gap: 8px;
    padding: 0 16px;
    overflow-x: auto;
    margin-bottom: 16px;
    -webkit-overflow-scrolling: touch;
}

.saf2-category-tabs::-webkit-scrollbar {
    display: none;
}

.saf2-cat-tab {
    flex-shrink: 0;
    padding: 10px 18px;
    border-radius: 20px;
    background: var(--saf2-bg-card);
    color: var(--saf2-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--saf2-border);
    transition: all 0.3s ease;
}

.saf2-cat-tab:hover {
    border-color: var(--saf2-primary);
    color: var(--saf2-accent);
}

.saf2-cat-active {
    background: var(--saf2-gradient);
    color: var(--saf2-bg);
    border-color: transparent;
}

/* Game Grid */
.saf2-game-section {
    padding: 0 16px 24px;
}

.saf2-game-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.saf2-game-card {
    background: var(--saf2-bg-card);
    border-radius: var(--saf2-radius-sm);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--saf2-border);
}

.saf2-game-card:hover {
    transform: translateY(-4px);
    border-color: var(--saf2-primary);
    box-shadow: var(--saf2-shadow);
}

.saf2-game-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.saf2-game-name {
    padding: 8px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--saf2-text);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Features Section */
.saf2-features {
    padding: 24px 16px;
    background: var(--saf2-bg-light);
}

.saf2-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.saf2-feature-card {
    background: var(--saf2-bg-card);
    padding: 20px;
    border-radius: var(--saf2-radius);
    text-align: center;
    border: 1px solid var(--saf2-border);
    transition: all 0.3s ease;
}

.saf2-feature-card:hover {
    border-color: var(--saf2-primary);
}

.saf2-feature-icon {
    font-size: 2rem;
    color: var(--saf2-primary);
    margin-bottom: 12px;
}

.saf2-feature-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--saf2-text-light);
    margin-bottom: 8px;
}

.saf2-feature-desc {
    font-size: 0.8rem;
    color: var(--saf2-text-muted);
}

/* Partners Section */
.saf2-partners {
    padding: 24px 16px;
}

.saf2-partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.saf2-partner-logo {
    background: var(--saf2-bg-card);
    padding: 12px;
    border-radius: var(--saf2-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.saf2-partner-logo img {
    max-width: 100%;
    max-height: 40px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.saf2-partner-logo:hover img {
    filter: grayscale(0);
    opacity: 1;
}

/* CTA Section */
.saf2-cta {
    margin: 24px 16px;
    padding: 32px 20px;
    background: var(--saf2-gradient);
    border-radius: var(--saf2-radius);
    text-align: center;
}

.saf2-cta-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--saf2-bg);
    margin-bottom: 12px;
}

.saf2-cta-desc {
    font-size: 0.9rem;
    color: rgba(13, 17, 23, 0.8);
    margin-bottom: 20px;
}

.saf2-cta-btn {
    display: inline-block;
    padding: 14px 32px;
    background: var(--saf2-bg);
    color: var(--saf2-accent);
    border-radius: var(--saf2-radius-sm);
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.saf2-cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Footer */
.saf2-footer {
    background: var(--saf2-bg-light);
    padding: 32px 16px 80px;
    border-top: 1px solid var(--saf2-border);
}

.saf2-footer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.saf2-footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--saf2-text-light);
    margin-bottom: 12px;
}

.saf2-footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.saf2-footer-link {
    font-size: 0.875rem;
    color: var(--saf2-text-muted);
    transition: color 0.3s ease;
}

.saf2-footer-link:hover {
    color: var(--saf2-accent);
}

.saf2-footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--saf2-border);
}

.saf2-copyright {
    font-size: 0.8rem;
    color: var(--saf2-text-muted);
}

/* Bottom Navigation */
.saf2-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 17, 23, 0.98);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--saf2-border);
    padding: 8px 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.saf2-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 56px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 12px;
    padding: 6px 12px;
}

.saf2-nav-item:hover {
    background: rgba(72, 209, 204, 0.1);
}

.saf2-nav-item.active {
    background: rgba(72, 209, 204, 0.15);
}

.saf2-nav-item.active .saf2-nav-icon {
    color: var(--saf2-primary);
}

.saf2-nav-item.active .saf2-nav-label {
    color: var(--saf2-accent);
}

.saf2-nav-icon {
    font-size: 22px;
    color: var(--saf2-text-muted);
    margin-bottom: 4px;
    transition: color 0.3s ease;
}

.saf2-nav-item:hover .saf2-nav-icon {
    color: var(--saf2-primary);
}

.saf2-nav-label {
    font-size: 10px;
    color: var(--saf2-text-muted);
    font-weight: 500;
    transition: color 0.3s ease;
}

.saf2-nav-item:hover .saf2-nav-label {
    color: var(--saf2-accent);
}

/* Desktop Styles */
@media (min-width: 769px) {
    .saf2-bottom-nav {
        display: none;
    }

    .saf2-main {
        padding-bottom: 24px;
    }

    .saf2-header-inner {
        max-width: 1200px;
    }

    .saf2-menu-toggle {
        display: none;
    }

    .saf2-banner {
        margin: 24px auto;
        max-width: 1000px;
    }

    .saf2-game-section {
        max-width: 1200px;
        margin: 0 auto;
    }

    .saf2-game-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 16px;
    }

    .saf2-features-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1200px;
        margin: 0 auto;
    }

    .saf2-partners-grid {
        grid-template-columns: repeat(7, 1fr);
        max-width: 1200px;
        margin: 0 auto;
    }

    .saf2-footer {
        padding-bottom: 32px;
    }

    .saf2-footer-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1200px;
        margin: 0 auto 24px;
    }
}

/* Utility Classes */
.saf2-container {
    max-width: 430px;
    margin: 0 auto;
    padding: 0 16px;
}

.saf2-text-center {
    text-align: center;
}

.saf2-mb-16 {
    margin-bottom: 16px;
}

.saf2-mt-24 {
    margin-top: 24px;
}