/* CSS Variables */
:root {
    --primary-bg: #0a0a0a;
    --secondary-bg: #1a1a1a;
    --accent-gold: #d4af37;
    --accent-gold-light: #f4e4a6;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    direction: rtl;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: var(--secondary-bg);
    border-bottom: 2px solid var(--accent-gold);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.nav-logo {
    color: var(--accent-gold);
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-gold);
    background-color: rgba(212, 175, 55, 0.1);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 2px;
    background-color: var(--accent-gold);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--accent-gold), var(--accent-gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition);
    border: 2px solid transparent;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent-gold);
    color: var(--primary-bg);
}

.btn-primary:hover {
    background-color: transparent;
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--accent-gold);
    border-color: var(--accent-gold);
}

.btn-secondary:hover {
    background-color: var(--accent-gold);
    color: var(--primary-bg);
    transform: translateY(-2px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.crypto-animation {
    font-size: 8rem;
    color: var(--accent-gold);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--accent-gold);
}

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

.feature-card {
    background-color: var(--primary-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-gold);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.1);
}

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

.feature-card h3 {
    color: var(--accent-gold);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Stats Section */
.stats {
    padding: 60px 0;
    background-color: var(--primary-bg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Footer */
footer {
    background-color: var(--secondary-bg);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

footer p {
    color: var(--text-secondary);
}

/* Articles Page Styles */
.articles-hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
    text-align: center;
}

.articles-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--accent-gold);
}

.articles-hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.articles-list {
    padding: 80px 0;
    background-color: var(--primary-bg);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.article-card {
    background-color: var(--secondary-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: var(--transition);
    text-align: center;
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-gold);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.1);
}

.article-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.article-card h2 {
    color: var(--accent-gold);
    margin-bottom: 1rem;
    font-size: 1.4rem;
    line-height: 1.4;
}

.article-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.article-card .btn {
    margin-top: auto;
}

/* Article Pages Styles */
.article-main {
    padding: 100px 0 60px;
    background-color: var(--primary-bg);
    min-height: 100vh;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
}

.article-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.article-breadcrumb {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.article-breadcrumb a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: var(--transition);
}

.article-breadcrumb a:hover {
    text-decoration: underline;
}

.article-header h1 {
    font-size: 2.5rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.article-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.article-body {
    line-height: 1.8;
}

.article-section {
    margin-bottom: 3rem;
}

.article-section h2 {
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    border-right: 4px solid var(--accent-gold);
    padding-right: 1rem;
}

.article-section h3 {
    color: var(--text-primary);
    margin: 1.5rem 0 1rem;
    font-size: 1.3rem;
}

.article-section p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Key Points Styles */
.key-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.point {
    background: rgba(212, 175, 55, 0.1);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.point h4 {
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

/* Blockchain Explanation */
.blockchain-explanation {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

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

.block-item h4 {
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

/* Features List */
.features-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.features-list li {
    background: var(--secondary-bg);
    margin-bottom: 0.8rem;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    border-right: 3px solid var(--accent-gold);
}

/* Crypto Cards */
.crypto-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.crypto-card {
    background: var(--secondary-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: var(--transition);
}

.crypto-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-2px);
}

.crypto-card h3 {
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

/* Mining Styles */
.mining-reasons, .mining-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.reason, .step {
    background: var(--secondary-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border-left: 3px solid var(--accent-gold);
}

.reason h4, .step h4 {
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

.important-note {
    background: rgba(212, 175, 55, 0.1);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--accent-gold);
    margin: 2rem 0;
}

.important-note h4 {
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

/* Article Navigation */
.article-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

/* Additional Styles for Articles 3 & 4 */

/* Hardware Types */
.hardware-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.hardware-card {
    background: var(--secondary-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.hardware-card h3 {
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.spec-tag {
    background: rgba(212, 175, 55, 0.2);
    color: var(--accent-gold);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

/* Cost Breakdown */
.cost-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.cost-item {
    background: var(--secondary-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    border-left: 4px solid var(--accent-gold);
}

.cost-item h4 {
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

.cost-range {
    background: rgba(212, 175, 55, 0.1);
    color: var(--accent-gold);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
    font-weight: bold;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

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

.input-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.input-group:last-child {
    border-bottom: none;
}

.input-label {
    color: var(--accent-gold);
    font-weight: bold;
    flex: 1;
}

.input-example {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.note {
    background: rgba(212, 175, 55, 0.1);
    padding: 1rem;
    border-radius: var(--border-radius);
    border-right: 4px solid var(--accent-gold);
    font-style: italic;
}

/* Mining Alternatives */
.mining-alternatives {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.alternative {
    background: var(--secondary-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.alternative h3 {
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

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

.pros, .cons {
    padding: 1rem;
    border-radius: var(--border-radius);
}

.pros {
    background: rgba(0, 255, 0, 0.1);
    border: 1px solid rgba(0, 255, 0, 0.3);
}

.cons {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.3);
}

.pros h4, .cons h4 {
    margin-bottom: 0.5rem;
}

.pros ul, .cons ul {
    padding-right: 1rem;
    margin: 0;
}

.pros li {
    color: #90EE90;
}

.cons li {
    color: #FFB6C1;
}

/* Risks Grid */
.risks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.risk-card {
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border-left: 4px solid;
}

.high-risk {
    background: rgba(255, 0, 0, 0.1);
    border-left-color: #ff4444;
}

.medium-risk {
    background: rgba(255, 165, 0, 0.1);
    border-left-color: #ffa500;
}

.risk-card h4 {
    margin-bottom: 0.5rem;
}

/* Proof of Stake Explanation */
.pos-explanation {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.pos-step {
    background: var(--secondary-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.pos-step h4 {
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

/* Comparison Table */
.comparison-table {
    margin: 3rem 0;
    overflow-x: auto;
}

.comparison-table h3 {
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
    text-align: center;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--secondary-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
}

th, td {
    padding: 1rem;
    text-align: right;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

th {
    background: rgba(212, 175, 55, 0.2);
    color: var(--accent-gold);
    font-weight: bold;
}

tr:hover {
    background: rgba(212, 175, 55, 0.05);
}

/* Future Trends */
.future-trends {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.trend-card {
    background: var(--secondary-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: var(--transition);
}

.trend-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-gold);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.1);
}

.trend-card h3 {
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

/* Conclusion Section */
.conclusion {
    background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--primary-bg) 100%);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--accent-gold);
}

.final-advice {
    background: rgba(212, 175, 55, 0.1);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-top: 1.5rem;
    border-right: 4px solid var(--accent-gold);
}

.final-advice h4 {
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
    }
    
    .crypto-animation {
        font-size: 5rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .article-card {
        padding: 2rem;
    }
    
    .articles-hero h1 {
        font-size: 2rem;
    }
    
    .article-header h1 {
        font-size: 2rem;
    }
    
    .article-navigation {
        flex-direction: column;
        gap: 1rem;
    }
    
    .key-points, .blockchain-explanation, .crypto-cards, .mining-reasons, .mining-steps {
        grid-template-columns: 1fr;
    }
    
    .article-section h2 {
        font-size: 1.5rem;
    }
    
    .pros-cons {
        grid-template-columns: 1fr;
    }
    
    .hardware-types, .cost-breakdown, .mining-alternatives,
    .risks-grid, .pos-explanation, .future-trends {
        grid-template-columns: 1fr;
    }
    
    .input-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    table {
        font-size: 0.9rem;
    }
    
    th, td {
        padding: 0.5rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: 1rem;
    }
    
    .nav-menu {
        margin-top: 1rem;
    }
    
    .hero {
        padding: 140px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}