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

:root {
    /* Green Theme Colors */
    --primary-green: #a8e066;
    --primary-green-dark: #8ed155;
    --primary-green-light: #92D500;
    --accent-green: #80d8a8;
    --light-green: #e8f8f5;
    --very-light-green: #f0fdf4; 
    
    /* Neutral Colors */
    --dark-gray: #2c3e50;
    --medium-gray: #34495e;
    --light-gray: #95a5a6;
    --very-light-gray: #ecf0f1;
    --white: #ffffff;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1);
    --shadow-green: 0 10px 30px rgba(39, 174, 96, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #f8fffe 0%, #e8f8f5 100%);
    color: var(--dark-gray);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Particles Background */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    opacity: 0.7;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, var(--dark-gray) 0%, var(--medium-gray) 100%);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    background-color: rgba(44, 62, 80, 0.95);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo img {
    display: flex;
    width: 80px;
    height: auto;
}

.header-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-normal);
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.nav-link:hover {
    color: var(--primary-green-light);
    background: rgba(39, 174, 96, 0.1);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-green-light);
    transition: var(--transition-normal);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* Burger Menu */
.burger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.burger-menu span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition-normal);
    transform-origin: center;
}

.burger-menu.active span:nth-child(1) {
    transform: translateY(10.5px) rotate(45deg);
}

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

.burger-menu.active span:nth-child(3) {
    transform: translateY(-10.5px) rotate(-45deg);
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
    color: var(--white);
    padding: 4rem 3rem;
    border-radius: 24px;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-green);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.main-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    line-height: 1.2;
}

.description {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    opacity: 0.95;
    line-height: 1.8;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.badge {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    border: 2px solid rgba(255,255,255,0.3);
    transition: var(--transition-normal);
}

.badge:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

.badge i {
    font-size: 1.2rem;
}

/* Form Container */
.form-container {
    background: var(--white);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    margin: 0 auto 3rem;
    border: 3px solid var(--light-green);
    position: relative;
    overflow: hidden;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-green-light), var(--accent-green));
    background-size: 200% 100%;
    animation: gradient-shift 3s ease infinite;
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h2 {
    color: var(--dark-gray);
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.form-header p {
    color: var(--light-gray);
    font-size: 1.1rem;
}

.input-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.input-icon {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-green);
    font-size: 1.2rem;
}

input[type="email"] {
    width: 100%;
    padding: 1.25rem 1.5rem 1.25rem 3.5rem;
    border: 2px solid var(--very-light-gray);
    border-radius: 12px;
    font-size: 1.1rem;
    transition: var(--transition-normal);
    background: var(--very-light-green);
}

input[type="email"]:focus {
    outline: none;
    border-color: var(--primary-green);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(39, 174, 96, 0.1);
}

.participate-btn {
    width: 100%;
    padding: 1.25rem 2rem;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.participate-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
}

.participate-btn:disabled:hover {
    transform: none;
    box-shadow: none;
}

.participate-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.participate-btn:hover::before {
    width: 300px;
    height: 300px;
}

.participate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(39, 174, 96, 0.3);
}

.participate-btn span {
    position: relative;
    z-index: 1;
}

.participate-btn i {
    position: relative;
    z-index: 1;
    transition: var(--transition-normal);
}

.participate-btn:hover i {
    transform: translateX(5px);
}

.rules-link {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--light-gray);
    font-size: 0.95rem;
}

.rules-link input[type="checkbox"] {
    margin-right: 0.5rem;
    color: var(--primary-green);
}

.rules-link a {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
    border-bottom: 2px solid transparent;
}

.rules-link a:hover {
    border-bottom-color: var(--primary-green);
}

/* How It Works Section */
.how-it-works {
    margin: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
}

.section-header p {
    color: var(--light-gray);
    font-size: 1.2rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.step {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    border: 2px solid var(--very-light-gray);
    position: relative;
    overflow: hidden;
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-green-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.step:hover::before {
    transform: scaleX(1);
}

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

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.step:hover .step-icon {
    transform: scale(1.1) rotate(10deg);
}

.step h3 {
    color: var(--dark-gray);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.step p {
    color: var(--light-gray);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Features Section */
.features {
    margin: 4rem 0;
    background: var(--very-light-green);
    padding: 4rem 2rem;
    border-radius: 24px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

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

.feature-icon {
    font-size: 3rem;
    color: var(--primary-green);
    margin-bottom: 1rem;
    transition: var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.2);
    color: var(--primary-green-light);
}

.feature-card h3 {
    color: var(--dark-gray);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--light-gray);
    font-size: 1rem;
}

/* Company Section */
.company {
    margin: 4rem 0;
    background: var(--white);
    padding: 4rem 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
}

.company-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-top: 2rem;
}

.company-text p {
    color: var(--light-gray);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--very-light-green);
    border-radius: 16px;
    transition: var(--transition-normal);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat i {
    font-size: 2.5rem;
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

.stat h3 {
    color: var(--dark-gray);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat p {
    color: var(--light-gray);
    font-size: 0.9rem;
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--dark-gray) 0%, var(--medium-gray) 100%);
    color: var(--white);
    padding: 3rem 0;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-info p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition-normal);
    font-size: 1.2rem;
}

.social-link:hover {
    background: var(--primary-green);
    transform: translateY(-3px);
}

/* Rules Page Specific Styles */
.rules-page main {
    max-width: 1000px;
}

.rules-main {
    padding-top: 2rem;
}

.rules-hero {
    text-align: center;
    margin-bottom: 3rem;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
    color: var(--white);
    border-radius: 24px;
    box-shadow: var(--shadow-green);
}

.rules-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

.rules-title i {
    margin-right: 1rem;
}

.rules-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.rules-container {
    background: var(--white);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: var(--shadow-xl);
}

.rule-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: var(--very-light-green);
    border-radius: 16px;
    transition: var(--transition-normal);
}

.rule-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.rule-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--primary-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
}

.rule-content h3 {
    color: var(--dark-gray);
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.rule-content p {
    color: var(--light-gray);
    font-size: 1.1rem;
    line-height: 1.6;
}

.rule-list {
    list-style: none;
    margin-top: 1rem;
}

.rule-list li {
    padding: 0.5rem 0;
    color: var(--light-gray);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.rule-list i {
    color: var(--primary-green);
    font-size: 1rem;
}

.result-types {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 1rem;
}

.result-type {
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition-normal);
}

.result-type.win {
    background: rgba(39, 174, 96, 0.1);
    border: 2px solid var(--primary-green);
}

.result-type.no-win {
    background: rgba(52, 152, 219, 0.1);
    border: 2px solid #3498db;
}

.result-type:hover {
    transform: scale(1.05);
}

.result-type i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.result-type.win i {
    color: var(--primary-green);
}

.result-type.no-win i {
    color: #3498db;
}

.result-type h4 {
    color: var(--dark-gray);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.result-type p {
    font-size: 0.95rem;
}

.rules-footer {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 2px solid var(--very-light-gray);
}

.rules-cta {
    text-align: center;
    background: var(--very-light-green);
    padding: 2.5rem;
    border-radius: 16px;
}

.rules-cta h3 {
    color: var(--dark-gray);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.rules-cta p {
    color: var(--light-gray);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-green);
}

/* Animations */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Header Mobile Styles */
    .burger-menu {
        display: flex;
    }
    
    .header-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: linear-gradient(135deg, var(--dark-gray) 0%, var(--medium-gray) 100%);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 5rem 2rem 2rem;
        gap: 2rem;
        transition: var(--transition-normal);
        box-shadow: -5px 0 15px rgba(0,0,0,0.3);
        z-index: 1000;
    }
    
    .header-nav.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: 0.75rem 1rem;
        width: 100%;
        text-align: left;
        border-radius: 8px;
    }
    
    .nav-link:hover {
        background: rgba(39, 174, 96, 0.2);
    }
    
    .nav-link::after {
        display: none;
    }

    .logo {
        font-size: 1.2rem;
    }
    
    .logo img {
        width: 65px;
    }
    
    .hero {
        padding: 3rem 2rem;
    }
    
    .main-title {
        font-size: 2rem;
    }
    
    .description {
        font-size: 1.1rem;
    }
    
    .hero-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .company-content {
        grid-template-columns: 1fr;
    }
    
    .company-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .rule-item {
        flex-direction: column;
        text-align: center;
    }
    
    .result-types {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .form-container {
        padding: 2rem 1.5rem;
    }
    
    .participate-btn {
        font-size: 1rem;
        padding: 1rem 1.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .rules-title {
        font-size: 1.8rem;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--very-light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-green);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-green-dark);
}

/* Selection */
::selection {
    background: var(--primary-green);
    color: var(--white);
}

::-moz-selection {
    background: var(--primary-green);
    color: var(--white);
}