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

:root {
    --primary-red: #DC143C;
    --dark-red: #8B0000;
    --black: #000000;
    --dark-gray: #1a1a1a;
    --light-gray: #2a2a2a;
    --white: #ffffff;
    --text-gray: #cccccc;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
}

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

/* Navigation */
.navbar {
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 2px solid var(--primary-red);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-red);
    letter-spacing: 3px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-gray) 100%);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(220, 20, 60, 0.1) 0%, transparent 50%);
}

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

.hero-title {
    font-size: 72px;
    font-weight: bold;
    color: var(--primary-red);
    margin-bottom: 20px;
    letter-spacing: 8px;
    text-shadow: 0 0 30px rgba(220, 20, 60, 0.5);
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-gray);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.hero-description {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 40px;
}

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

.btn {
    padding: 15px 40px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-red);
    color: var(--white);
    border-color: var(--primary-red);
}

.btn-primary:hover {
    background-color: var(--dark-red);
    border-color: var(--dark-red);
    box-shadow: 0 0 20px rgba(220, 20, 60, 0.5);
}

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

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-red);
    border-color: var(--primary-red);
}

.btn-outline:hover {
    background-color: var(--primary-red);
    color: var(--white);
}

.btn-large {
    padding: 20px 60px;
    font-size: 18px;
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--dark-gray);
}

.section-title {
    font-size: 48px;
    text-align: center;
    margin-bottom: 60px;
    color: var(--primary-red);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--light-gray);
    padding: 40px;
    border-radius: 10px;
    border: 1px solid var(--primary-red);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(220, 20, 60, 0.3);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary-red);
}

.feature-card p {
    color: var(--text-gray);
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--light-gray);
    padding: 40px;
    border-radius: 10px;
    border: 2px solid var(--light-gray);
    transition: all 0.3s;
    position: relative;
}

.pricing-card:hover {
    border-color: var(--primary-red);
    transform: translateY(-5px);
}

.pricing-card.featured {
    border-color: var(--primary-red);
    box-shadow: 0 0 30px rgba(220, 20, 60, 0.3);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-red);
    color: var(--white);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.pricing-card h3 {
    font-size: 28px;
    margin-bottom: 10px;
    color: var(--white);
}

.price {
    font-size: 48px;
    font-weight: bold;
    color: var(--primary-red);
    margin-bottom: 30px;
}

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

.features-list li {
    padding: 10px 0;
    color: var(--text-gray);
    border-bottom: 1px solid var(--dark-gray);
}

.features-list li:last-child {
    border-bottom: none;
}

/* Download Section */
.download {
    padding: 100px 0;
    background-color: var(--dark-gray);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.download-info h3 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--primary-red);
}

.download-info ul {
    list-style: none;
}

.download-info li {
    padding: 15px 0;
    color: var(--text-gray);
    border-bottom: 1px solid var(--light-gray);
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

.download-note {
    margin-top: 20px;
    color: var(--text-gray);
    font-size: 14px;
}

/* Footer */
.footer {
    background-color: var(--black);
    padding: 60px 0 20px;
    border-top: 2px solid var(--primary-red);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--primary-red);
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-section p {
    color: var(--text-gray);
    margin-bottom: 10px;
}

.footer-section a {
    display: block;
    color: var(--text-gray);
    text-decoration: none;
    margin-bottom: 10px;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--light-gray);
    color: var(--text-gray);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 48px;
        letter-spacing: 4px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .download-content {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
}