/*
Theme Name: May88 Theme
Theme URI: https://may88.com
Author: May88 Team
Author URI: https://may88.com
Description: May88 - Nhà Cái Cá Cược Thể Thao Trực Tuyến Uy Tín #1 VN
Version: 1.0.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: may88-theme
Domain Path: /languages
Tags: casino, betting, sports, gambling, responsive
*/

/* ================================
   CSS Variables
================================ */
:root {
    --primary-color: #ff6b00;
    --primary-dark: #e65100;
    --secondary-color: #1a1a2e;
    --accent-color: #ffd700;
    --text-light: #ffffff;
    --text-dark: #333333;
    --bg-dark: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-light: #f5f5f5;
    --border-color: #2d2d44;
    --success-color: #28a745;
    --gradient-primary: linear-gradient(135deg, #ff6b00 0%, #ff8c00 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #0f0f1a 100%);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 30px rgba(255, 107, 0, 0.3);
    --transition: all 0.3s ease;
    --container-width: 1200px;
    --header-height: 70px;
}

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

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--bg-dark);
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ================================
   Container & Layout
================================ */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.container-fluid {
    width: 100%;
    padding: 0 20px;
}

/* ================================
   Header Styles
================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--gradient-dark);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Navigation Desktop */
.nav-desktop {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-desktop .menu {
    display: flex;
    gap: 25px;
}

.nav-desktop .menu a {
    color: var(--text-light);
    font-weight: 500;
    font-size: 15px;
    padding: 8px 0;
    position: relative;
}

.nav-desktop .menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-desktop .menu a:hover::after,
.nav-desktop .menu a:focus::after {
    width: 100%;
}

.nav-desktop .menu a:hover {
    color: var(--primary-color);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 25px;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-login {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--primary-color);
}

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

.btn-register {
    background: var(--gradient-primary);
    color: var(--text-light);
    border: 2px solid var(--primary-color);
}

.btn-register:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-light);
    transition: var(--transition);
}

/* ================================
   Mobile Navigation
================================ */
.nav-mobile {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-card);
    padding: 20px;
    border-top: 1px solid var(--border-color);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.nav-mobile.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.nav-mobile .menu {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.nav-mobile .menu a {
    color: var(--text-light);
    font-size: 16px;
    font-weight: 500;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.nav-mobile .menu a:hover {
    color: var(--primary-color);
}

.nav-mobile .header-actions {
    margin-top: 20px;
    flex-direction: column;
    gap: 10px;
}

.nav-mobile .btn {
    width: 100%;
}

/* ================================
   Hero Section
================================ */
.hero-section {
    padding-top: var(--header-height);
    min-height: 600px;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 107, 0, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-light) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: 15px 35px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 30px;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    padding: 15px 35px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 30px;
    border: 2px solid var(--text-light);
}

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

/* ================================
   Features Section
================================ */
.features-section {
    padding: 80px 0;
    background: var(--bg-dark);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 10px;
}

.feature-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* ================================
   Content Section
================================ */
.content-section {
    padding: 80px 0;
    background: var(--bg-card);
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.content-text {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
}

.content-text p {
    margin-bottom: 20px;
}

.content-text h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-light);
    margin: 40px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.content-text h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--accent-color);
    margin: 30px 0 15px;
}

.content-text ul {
    margin: 15px 0;
    padding-left: 25px;
}

.content-text ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.85);
}

.content-text ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ================================
   Games Section
================================ */
.games-section {
    padding: 80px 0;
    background: var(--bg-dark);
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.game-card {
    background: var(--bg-card);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.game-image {
    width: 100%;
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
}

.game-content {
    padding: 25px;
}

.game-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 10px;
}

.game-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

/* ================================
   CTA Section
================================ */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-primary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>');
    background-size: 100px 100px;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--text-light);
    margin-bottom: 20px;
}

.cta-text {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: var(--text-light);
    color: var(--primary-color);
    padding: 18px 45px;
    font-size: 18px;
    font-weight: 700;
    border-radius: 35px;
    display: inline-block;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* ================================
   Footer
================================ */
.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 15px;
}

.footer-brand p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* ================================
   Page Template Styles
================================ */
.page-header {
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 60px;
    background: var(--gradient-dark);
    text-align: center;
}

.page-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--text-light);
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
}

.page-content {
    padding: 60px 0;
    background: var(--bg-dark);
}

/* ================================
   Responsive Styles
================================ */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .games-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-mobile {
        display: block;
    }
    
    .header-actions {
        display: none;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .games-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .cta-title {
        font-size: 28px;
    }
    
    .page-title {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
}

/* ================================
   Accessibility
================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: var(--text-light);
    padding: 8px 16px;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}