/* Independent Trading System - Professionelles CSS */

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

:root {
    --primary-color: #00ff88;
    --secondary-color: #0066ff;
    --accent-color: #ffaa00;
    --dark-bg: #0a0a0a;
    --darker-bg: #1a1a1a;
    --card-bg: #2d2d2d;
    --text-light: #ffffff;
    --text-bright: #f8f9fa;
    --text-gray: #e0e0e0;
    --text-muted: #cccccc;
    --success: #00ff88;
    --warning: #ffaa00;
    --danger: #ff4444;
    --gradient: linear-gradient(135deg, #00ff88, #0066ff);
    --card-border: #444444;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-bright);
    background: var(--dark-bg);
    overflow-x: hidden;
    font-size: 16px;
    font-weight: 400;
}

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

/* Navigation */
.navbar {
    background: var(--darker-bg);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--card-bg);
}

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

.nav-logo h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

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

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

.btn-login {
    background: var(--gradient);
    padding: 10px 20px;
    border-radius: 25px;
    color: white;
    font-weight: bold;
}


.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.8;
    font-weight: 500;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: bold;
}

.stat p {
    color: var(--text-muted);
    margin-top: 5px;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    text-align: center;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 136, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-bright);
    border: 2px solid var(--secondary-color);
    font-weight: 600;
}

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

/* Trading Dashboard Preview */
.trading-dashboard {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--primary-color);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.dashboard-header h4 {
    color: var(--primary-color);
}

.status.online {
    background: var(--success);
    color: black;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
}

.price-ticker {
    margin-bottom: 20px;
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 10px;
    border-bottom: 1px solid var(--darker-bg);
}

.price-item .symbol {
    display: flex;
    align-items: center;
    gap: 10px;
}

.price-item .symbol .icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
}

.price-item .symbol .name {
    font-size: 1rem;
    color: var(--text-bright);
}

.price-item .price-data {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.price {
    font-weight: bold;
    font-size: 1.1rem;
}

.change.positive {
    color: var(--success);
}

.change.negative {
    color: var(--danger);
}

.profit-display {
    text-align: center;
    padding: 15px;
    background: var(--darker-bg);
    border-radius: 10px;
}

.profit-amount {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--success);
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--darker-bg);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--primary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.6;
    font-weight: 500;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: var(--dark-bg);
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.pricing-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 60px;
    font-size: 1.1rem;
    font-weight: 500;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: white;
    padding: 5px 20px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9rem;
}

.plan-header {
    margin-bottom: 30px;
}

.plan-header h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 10px;
}

.currency {
    font-size: 1.2rem;
    color: var(--text-muted);
    font-weight: 600;
}

.amount {
    font-size: 3rem;
    font-weight: bold;
    color: var(--text-bright);
}

.period {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.plan-description {
    color: var(--text-muted);
    font-style: italic;
    font-weight: 500;
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
}

.plan-features li {
    padding: 8px 0;
    color: var(--text-muted);
    text-align: left;
    font-weight: 500;
}

.btn-plan {
    display: block;
    width: 100%;
    padding: 15px;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    transition: all 0.3s;
}

.btn-plan:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 136, 0.4);
}

/* Demo Section */
.demo {
    padding: 100px 0;
    background: var(--darker-bg);
}

.demo h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.demo p {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 60px;
    font-size: 1.1rem;
}

.demo-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}

.stat-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--primary-color);
}

.stat-card h4 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.performance-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.perf-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--darker-bg);
}

.label {
    color: var(--text-gray);
}

.value {
    font-weight: bold;
}

.value.success {
    color: var(--success);
}

.value.profit {
    color: var(--success);
}

.demo-cta {
    text-align: center;
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 15px;
    border: 1px solid var(--secondary-color);
}

.demo-cta h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.demo-cta p {
    margin-bottom: 25px;
    color: var(--text-gray);
}

.btn-primary-large {
    display: inline-block;
    padding: 20px 40px;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s;
}

.btn-primary-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.4);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--dark-bg);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--primary-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-right: 15px;
    width: 30px;
}

.contact-item h4 {
    color: var(--text-light);
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--text-gray);
}

.contact-form {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid var(--primary-color);
}

.contact-form h3 {
    color: var(--primary-color);
    margin-bottom: 25px;
    text-align: center;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    background: var(--darker-bg);
    border: 1px solid var(--text-gray);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 1rem;
}

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

.btn-submit {
    width: 100%;
    padding: 15px;
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 25px;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 136, 0.4);
}

/* Footer */
.footer {
    background: var(--darker-bg);
    padding: 60px 0 20px;
    border-top: 1px solid var(--card-bg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.footer-section h4 {
    color: var(--text-light);
    margin-bottom: 15px;
}

.footer-section p {
    color: var(--text-gray);
    margin-bottom: 20px;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

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

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

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    color: var(--text-light);
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--primary-color);
    color: black;
    transform: translateY(-2px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--card-bg);
    color: var(--text-gray);
}

.footer-links {
    display: flex;
    gap: 20px;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.98);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        z-index: 999;
        padding: 20px 0;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 15px 0;
    }
    
    .nav-menu a {
        display: block;
        padding: 10px 20px;
        font-size: 1.1rem;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .demo-container {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--darker-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Change indicators for price movements */
.change.positive {
    color: #00ff88;
}

.change.negative {
    color: #ff4444;
}

.change.neutral {
    color: #888888;
}