/* Money Games Online - Professional CSS */

/* CSS Variables */
:root {
    --primary-color: #102E50;
    --secondary-color: #0a1f3a;
    --accent-color: #f59e0b;
    --white: #ffffff;
    --black: #000000;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition: all 0.3s ease;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 9999px;
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Header and Navigation */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: var(--spacing-md) 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.logo-text {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-item {
    list-style: none;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
    display: inline-block;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(16, 46, 80, 0.4);
    transform: translateY(-2px);
    border: 2px solid var(--accent-color);
    font-weight: 600;
}

/* Button Styles */
.nav-link.login-btn, 
.nav-link.register-btn {
    background: var(--accent-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    transition: var(--transition);
    border: 2px solid transparent;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-link.login-btn:hover, 
.nav-link.register-btn:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    border-color: var(--accent-color);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    outline: none;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: var(--radius-sm);
}

/* Breadcrumb Navigation */
.breadcrumb {
    background-color: var(--gray-100);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
}

.breadcrumb-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
}

.breadcrumb-item {
    color: var(--gray-600);
}

.breadcrumb-item:not(:last-child)::after {
    content: '›';
    margin-left: var(--spacing-sm);
    color: var(--gray-400);
}

.breadcrumb-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb-link:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

/* Main Content */
.main-content {
    width: 100%;
    margin: 0 auto;
    padding-left: var(--spacing-2xl);
    padding-right: var(--spacing-2xl);
    /* padding: var(--spacing-2xl) var(--spacing-xl); */
}

/* Hero Section */
.hero-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--gray-100), var(--white));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-2xl);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.hero-text {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
}

.hero-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    margin: var(--spacing-md) auto;
    border-radius: var(--radius-full);
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    font-weight: 400;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero-image {
    text-align: center;
}

.hero-img {
    width: 100%;
    height: auto;
    max-width: 500px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.hero-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.hero-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-btn.register-btn {
    background: var(--accent-color);
    color: var(--white);
}

.hero-btn.register-btn:hover {
    background: var(--white);
    color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
    border-color: var(--accent-color);
}

.hero-btn.login-btn {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.hero-btn.login-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 46, 80, 0.4);
}

/* Content Sections */
.content-section {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
    max-width: 100%;
}

.section-title {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
    text-align: center;
}

.subsection-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    text-align: center;
}

.content-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
    color: var(--white);
}

.feature-title {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.6;
}

/* FAQ Section */
.faq-section {
    background: var(--gray-100);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    margin: var(--spacing-2xl) 0;
    text-align: center;
}

.faq-item {
    background: var(--white);
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-lg);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    width: 100%;
    text-align: left;
    font-size: 1.1rem;
}

.faq-question:hover {
    background: var(--secondary-color);
}

.faq-answer {
    padding: var(--spacing-lg);
    color: var(--gray-700);
    line-height: 1.6;
    display: none;
}

.faq-answer.active {
    display: block;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    margin: var(--spacing-2xl) 0;
    width: 100%;
}

.cta-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

.cta-text {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    background: var(--accent-color);
    color: var(--white);
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    border: 2px solid transparent;
    display: inline-block;
}

.cta-button:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-color);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-2xl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.footer-section h3 {
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--gray-400);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        width: 100%;
        height: calc(100vh - 70px);
        text-align: center;
        transition: 0.3s ease-in-out;
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        display: block;
        width: 100%;
        padding: var(--spacing-sm);
    }
    
    .login-btn, .register-btn {
        margin: var(--spacing-xs) auto;
        display: inline-block;
        min-width: 120px;
    }
    
    body.menu-open {
        overflow: hidden;
        position: fixed;
        width: 100%;
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .logo-text {
        font-size: 1.3rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
        max-width: 100%;
    }
    
    .hero-title::after {
        width: 60px;
        height: 3px;
    }
    
    .hero-buttons {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .hero-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .main-content {
        padding: var(--spacing-lg) var(--spacing-md);
        width: 100%;
    }
    
    .content-section {
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-button {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-title::after {
        width: 50px;
        height: 2px;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .hero-img {
        max-width: 100%;
        height: auto;
    }
    
    .hero-buttons {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .hero-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
}

/* AOS (Animate On Scroll) - Pure CSS Implementation */

/* Base AOS styles - elements start hidden and positioned */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: 0.8s;
    transition-timing-function: ease-out;
}

/* Fade animations */
[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-down"] {
    transform: translateY(-50px);
}

[data-aos="fade-left"] {
    transform: translateX(50px);
}

[data-aos="fade-right"] {
    transform: translateX(-50px);
}

[data-aos="fade-up-right"] {
    transform: translate(50px, 50px);
}

[data-aos="fade-up-left"] {
    transform: translate(-50px, 50px);
}

[data-aos="fade-down-right"] {
    transform: translate(50px, -50px);
}

[data-aos="fade-down-left"] {
    transform: translate(-50px, -50px);
}

/* Zoom animations */
[data-aos="zoom-in"] {
    transform: scale(0.8);
}

[data-aos="zoom-out"] {
    transform: scale(1.2);
}

[data-aos="zoom-in-up"] {
    transform: translateY(50px) scale(0.8);
}

[data-aos="zoom-in-down"] {
    transform: translateY(-50px) scale(0.8);
}

[data-aos="zoom-in-left"] {
    transform: translateX(50px) scale(0.8);
}

[data-aos="zoom-in-right"] {
    transform: translateX(-50px) scale(0.8);
}

/* Slide animations */
[data-aos="slide-up"] {
    transform: translateY(100px);
}

[data-aos="slide-down"] {
    transform: translateY(-100px);
}

[data-aos="slide-left"] {
    transform: translateX(100px);
}

[data-aos="slide-right"] {
    transform: translateX(-100px);
}

/* Flip animations */
[data-aos="flip-left"] {
    transform: perspective(2500px) rotateY(-100deg);
}

[data-aos="flip-right"] {
    transform: perspective(2500px) rotateY(100deg);
}

[data-aos="flip-up"] {
    transform: perspective(2500px) rotateX(-100deg);
}

[data-aos="flip-down"] {
    transform: perspective(2500px) rotateX(100deg);
}

/* When element is in view (using Intersection Observer or scroll-based detection) */
[data-aos].aos-animate {
    opacity: 1;
    transform: translate(0, 0) scale(1) rotate(0deg);
}

/* Staggered animations for multiple elements */
[data-aos-delay="100"] {
    transition-delay: 0.1s;
}

[data-aos-delay="200"] {
    transition-delay: 0.2s;
}

[data-aos-delay="300"] {
    transition-delay: 0.3s;
}

[data-aos-delay="400"] {
    transition-delay: 0.4s;
}

[data-aos-delay="500"] {
    transition-delay: 0.5s;
}

[data-aos-delay="600"] {
    transition-delay: 0.6s;
}

[data-aos-delay="700"] {
    transition-delay: 0.7s;
}

[data-aos-delay="800"] {
    transition-delay: 0.8s;
}

[data-aos-delay="900"] {
    transition-delay: 0.9s;
}

[data-aos-delay="1000"] {
    transition-delay: 1s;
}

/* Duration variations */
[data-aos-duration="1000"] {
    transition-duration: 1s;
}

[data-aos-duration="1200"] {
    transition-duration: 1.2s;
}

[data-aos-duration="1500"] {
    transition-duration: 1.5s;
}

[data-aos-duration="2000"] {
    transition-duration: 2s;
}

/* Easing variations */
[data-aos-easing="ease-in-sine"] {
    transition-timing-function: cubic-bezier(0.47, 0, 0.745, 0.715);
}

[data-aos-easing="ease-out-sine"] {
    transition-timing-function: cubic-bezier(0.39, 0.575, 0.565, 1);
}

[data-aos-easing="ease-in-out-sine"] {
    transition-timing-function: cubic-bezier(0.445, 0.05, 0.55, 0.95);
}

[data-aos-easing="ease-in-cubic"] {
    transition-timing-function: cubic-bezier(0.55, 0.055, 0.675, 0.19);
}

[data-aos-easing="ease-out-cubic"] {
    transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
}

[data-aos-easing="ease-in-out-cubic"] {
    transition-timing-function: cubic-bezier(0.645, 0.045, 0.355, 1);
}

/* Specific animations for our sections */
.hero-section[data-aos] {
    transition-duration: 1.2s;
    transition-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-text[data-aos] {
    transition-duration: 1s;
    transition-delay: 0.2s;
}

.hero-image[data-aos] {
    transition-duration: 1s;
    transition-delay: 0.4s;
}

.feature-card[data-aos] {
    transition-duration: 0.8s;
}

.feature-card:nth-child(1)[data-aos] {
    transition-delay: 0.1s;
}

.feature-card:nth-child(2)[data-aos] {
    transition-delay: 0.2s;
}

.feature-card:nth-child(3)[data-aos] {
    transition-delay: 0.3s;
}

.feature-card:nth-child(4)[data-aos] {
    transition-delay: 0.4s;
}

.feature-card:nth-child(5)[data-aos] {
    transition-delay: 0.5s;
}

.feature-card:nth-child(6)[data-aos] {
    transition-delay: 0.6s;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    [data-aos] {
        transition: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
    
    [data-aos].aos-animate {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Print Styles */
@media print {
    .header,
    .hamburger,
    .footer {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .main-content {
        padding: 0;
    }
    
    .hero-section {
        background: none;
        border: 1px solid var(--gray-300);
    }
    
    /* Disable animations for print */
    [data-aos] {
        opacity: 1 !important;
        transform: none !important;
    }
}