:root {
    --primary-color: #4CAF50;
    --secondary-color: #2E7D32;
    --accent-color: #66BB6A;
    --dark-bg: #1a1a1a;
    --light-bg: #f5f5f5;
    --text-dark: #333;
    --text-light: #fff;
    --border-radius: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* Navigation */
nav {
    background: var(--dark-bg);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: bold;
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

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

.cta-button {
    background: var(--primary-color);
    color: var(--text-light);
    padding: 0.7rem 1.5rem;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s;
}

.cta-button:hover {
    background: var(--secondary-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: var(--text-light);
    padding: 6rem 2rem;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s;
}

.hero p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    animation: fadeInUp 1s 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s 0.4s backwards;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

/* Stats Section */
.stats-section {
    background: var(--primary-color);
    color: var(--text-light);
    padding: 4rem 2rem;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.stat-item h3 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

/* Comparison Table */
.comparison-table {
    overflow-x: auto;
    margin: 2rem 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background: var(--primary-color);
    color: white;
    font-weight: bold;
}

tr:hover {
    background: var(--light-bg);
}

/* Team Grid */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.team-member {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform 0.3s;
}

.team-member:hover {
    transform: translateY(-5px);
}

.team-member h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.team-member .role {
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 1rem;
}

/* Timeline */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline-item {
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    position: relative;
    padding-left: 3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    border-radius: var(--border-radius);
}

.timeline-date {
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 0.5rem;
}

/* Token Info */
.token-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.token-item {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
}

.token-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

/* FAQ */
.faq-item {
    background: var(--light-bg);
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background 0.3s;
}

.faq-item:hover {
    background: #e8e8e8;
}

.faq-question {
    font-weight: bold;
    color: var(--secondary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    margin-top: 1rem;
    color: var(--text-dark);
    display: none;
}

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

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--secondary-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Footer */
footer {
    background: var(--dark-bg);
    color: var(--text-light);
    padding: 3rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.social-links a:hover {
    background: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #333;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-bg);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid,
    .team-grid,
    .token-grid {
        grid-template-columns: 1fr;
    }
}

/* Loading Spinner */
.spinner {
    border: 4px solid var(--light-bg);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Calculator Styles */
.calculator {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
}

.calculator-result {
    background: var(--primary-color);
    color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-top: 2rem;
    text-align: center;
}

.calculator-result h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Blog Card */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.blog-card:hover {
    transform: translateY(-5px);
}

.blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-content {
    padding: 1.5rem;
}

.blog-date {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.blog-card h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

/* Whitepaper Downloads */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.download-btn {
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    text-align: center;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s;
}

.download-btn:hover {
    background: var(--secondary-color);
}

/* Price Cards */
.price-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.price-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

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

.price-card.featured {
    border: 3px solid var(--primary-color);
}

.price-card h3 {
    color: var(--secondary-color);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 3rem;
    color: var(--primary-color);
    font-weight: bold;
    margin: 1rem 0;
}

.price-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.price-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.price-features li::before {
    content: "✓ ";
    color: var(--primary-color);
    font-weight: bold;
}