/*
Theme Name: Rikvip Theme
Theme URI: https://gasprices.uk.com/
Author: Rikvip Team
Author URI: https://gasprices.uk.com/
Description: Rikvip đăng nhập - Cổng game bài trực tuyến hàng đầu Châu Á với kho trò chơi đa dạng và trải nghiệm rikvip day tuyệt vờii
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: rikvip-theme
*/

/* Reset CSS */
*, *::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: #333;
    background-color: #f5f5f5;
}

a {
    text-decoration: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

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

/* Header Styles */
.site-header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

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

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

.nav-desktop .menu a {
    color: #fff;
    font-weight: 500;
    padding: 10px 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-desktop .menu a:hover {
    color: #ffd700;
}

.nav-desktop .menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #ffd700;
    transition: width 0.3s ease;
}

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

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

.btn {
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 14px;
}

.btn-login {
    background: transparent;
    color: #fff;
    border: 2px solid #ffd700;
}

.btn-login:hover {
    background: #ffd700;
    color: #1a1a2e;
}

.btn-register {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #1a1a2e;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}

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

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: #fff;
    transition: all 0.3s ease;
}

/* Mobile Navigation */
.nav-mobile {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: #1a1a2e;
    padding: 20px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.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: #fff;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-mobile .header-actions {
    margin-top: 20px;
    flex-direction: column;
    width: 100%;
}

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

/* Main Content */
.site-main {
    min-height: calc(100vh - 70px - 300px);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #fff;
    padding: 100px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-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(255,215,0,0.1)" stroke-width="0.5"/></svg>');
    background-size: 100px 100px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-title .highlight {
    color: #ffd700;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-image {
    margin-top: 40px;
    position: relative;
    z-index: 1;
}

.hero-image img {
    max-width: 600px;
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.btn-primary {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #1a1a2e;
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn-secondary:hover {
    background: #fff;
    color: #1a1a2e;
}

/* Content Section */
.content-section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
    color: #1a1a2e;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 50px;
    font-size: 1.1rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.feature-image {
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
}

.feature-image img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 10px;
}

.feature-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #1a1a2e;
}

.feature-description {
    color: #666;
    line-height: 1.7;
}

/* Games Section */
.games-section {
    background: #fff;
    padding: 80px 20px;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 50px auto 0;
}

.game-card {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 15px;
    padding: 30px;
    color: #fff;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.game-image {
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
}

.game-image img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 10px;
}

.game-title {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: #ffd700;
}

.game-description {
    opacity: 0.9;
    margin-bottom: 20px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    padding: 80px 20px;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    color: #1a1a2e;
    margin-bottom: 20px;
}

.cta-description {
    font-size: 1.2rem;
    color: #1a1a2e;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-dark {
    background: #1a1a2e;
    color: #ffd700;
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn-dark:hover {
    background: #0f3460;
}

/* Footer */
.site-footer {
    background: #1a1a2e;
    color: #fff;
    padding: 60px 20px 30px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #ffd700;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ffd700;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255,255,255,0.6);
}

/* Page Content */
.page-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 20px;
    background: #fff;
}

.page-title {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #1a1a2e;
}

.page-body h2 {
    font-size: 1.8rem;
    margin: 40px 0 20px;
    color: #1a1a2e;
}

.page-body p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: #444;
}

.page-image {
    margin: 30px 0;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.page-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 15px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-mobile {
        display: block;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .features-grid,
    .games-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 0 15px;
    }
    
    .hero-section {
        padding: 60px 15px;
    }
    
    .hero-title {
        font-size: 1.6rem;
    }
    
    .content-section {
        padding: 50px 15px;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
}