:root {
    --bg-color: #000000;
    --card-bg: #111111;
    --primary-text: #ffffff;
    --secondary-text: #bbbbbb;
    --accent-color: #ffffff;
    --highlight-color: #6a3de8;
    --primary-color: #7b4dff;
    --primary-gradient: linear-gradient(135deg, #7b4dff, #4e25cc);
    --border-color: #333333;
    --success-color: #ffffff;
    --card-hover-shadow: 0 10px 30px rgba(106, 61, 232, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--primary-text);
    line-height: 1.5;
    min-height: 100vh;
    background-image: radial-gradient(circle at 10% 20%, rgba(60, 20, 120, 0.1) 0%, transparent 40%);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

main {
    text-align: center;
}

/* Header & Navigation */
header {
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 30px;
    margin-right: 10px;
    vertical-align: middle;
}

.logo a {
    font-weight: 700;
    font-size: 22px;
    color: var(--primary-text);
    text-decoration: none;
    letter-spacing: 0.5px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

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

.nav-links a {
    color: var(--secondary-text);
    text-decoration: none;
    font-size: 16px;
    transition: all 0.2s;
    position: relative;
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--highlight-color);
}

.search-cmd {
    background-color: var(--card-bg);
    padding: 5px 10px;
    border-radius: 4px;
    color: var(--secondary-text);
    font-size: 14px;
}

.mobile-menu {
    display: none;
    color: var(--secondary-text);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

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

.social-icon {
    color: var(--secondary-text);
    font-size: 18px;
    transition: all 0.3s;
}

.social-icon:hover {
    color: var(--highlight-color);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 50px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(to right, #ffffff, #c4c4c4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
    letter-spacing: -0.5px;
}

.subtitle {
    color: var(--secondary-text);
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.btn {
    background-color: var(--card-bg);
    color: var(--primary-text);
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn i {
    margin-right: 8px;
}

.btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--highlight-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(106, 61, 232, 0.2);
}

.primary-btn {
    background: var(--primary-gradient);
    border: none;
    color: white;
    box-shadow: 0 5px 15px rgba(123, 77, 255, 0.3);
    padding: 14px 28px;
    font-size: 18px;
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(123, 77, 255, 0.4);
    background: linear-gradient(135deg, #8959ff, #5b36e8);
}

.large-btn {
    padding: 16px 32px;
    font-size: 20px;
}

.pulse-btn {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(123, 77, 255, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(123, 77, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(123, 77, 255, 0);
    }
}

.hero-stats {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.stat-box {
    background: rgba(17, 17, 17, 0.6);
    border: 1px solid rgba(106, 61, 232, 0.3);
    backdrop-filter: blur(10px);
    padding: 20px 40px;
    border-radius: 12px;
    min-width: 180px;
}

.stat-number {
    font-size: 30px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    color: var(--secondary-text);
    font-size: 16px;
}

/* Section Title */
.section-title {
    margin-bottom: 30px;
}

.section-title h2 {
    font-size: 32px;
    font-weight: 700;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background: var(--primary-gradient);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 5px;
}

/* Features */
.features {
    margin: 60px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 26px;
    transition: all 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-hover-shadow);
    border-color: rgba(106, 61, 232, 0.3);
}

.emoji {
    font-size: 40px;
    margin-bottom: 18px;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--secondary-text);
    font-size: 16px;
}

/* CTA Section */
.cta-section {
    margin: 60px 0;
    background: rgba(106, 61, 232, 0.1);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(106, 61, 232, 0.2);
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
    font-weight: 700;
}

.cta-content p {
    color: var(--secondary-text);
    font-size: 18px;
    margin-bottom: 30px;
}

.cta-bottom {
    margin: 50px 0;
}

/* Pricing */
.pricing {
    margin: 60px 0;
}

.pricing-details {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.pricing-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 26px;
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-hover-shadow);
    border-color: rgba(106, 61, 232, 0.3);
}

.pricing-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
}

.divider {
    height: 1px;
    background-color: var(--border-color);
    margin-bottom: 18px;
}

.pricing-value {
    font-size: 20px;
    margin-top: 18px;
    color: var(--primary-text);
}

.pricing-desc {
    color: var(--highlight-color);
    font-size: 16px;
    margin-top: 6px;
    font-weight: 500;
}

/* Footer */
footer {
    padding: 30px 0 60px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 50px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-social {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.footer-social .social-icon {
    font-size: 22px;
    color: var(--secondary-text);
}

.footer-social .social-icon:hover {
    color: var(--highlight-color);
    transform: translateY(-3px);
}

footer p {
    color: var(--highlight-color);
    font-size: 14px;
    font-weight: 500;
}

footer p::before {
    content: "Powered by";
    margin-right: 5px;
    color: var(--secondary-text);
}

/* How It Works */
.how-it-works {
    margin: 60px 0;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
}

.step {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    flex: 1;
    min-width: 220px;
    max-width: 280px;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-hover-shadow);
    border-color: rgba(106, 61, 232, 0.3);
}

.step-number {
    background: var(--primary-gradient);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
}

.step-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.step-content p {
    color: var(--secondary-text);
    font-size: 16px;
}

/* System Requirements */
.system-requirements {
    margin: 60px 0;
}

.requirements-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.requirement-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 36px;
    flex: 1;
    min-width: 280px;
    max-width: 480px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: all 0.3s;
}

.requirement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-hover-shadow);
    border-color: rgba(106, 61, 232, 0.3);
}

.req-icon {
    font-size: 36px;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.requirement-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 20px;
}

.requirement-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.requirement-card li {
    margin-bottom: 12px;
    color: var(--secondary-text);
    font-size: 16px;
    padding-left: 20px;
    position: relative;
}

.requirement-card li::before {
    content: '•';
    color: var(--primary-color);
    font-size: 20px;
    position: absolute;
    left: 0;
    top: -2px;
}

/* Testimonials */
.testimonials {
    margin: 60px 0;
}

.testimonial-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.testimonial-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 24px;
    width: 100%;
    max-width: 380px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-hover-shadow);
    border-color: rgba(106, 61, 232, 0.3);
}

.testimonial-avatar {
    margin-bottom: 15px;
    display: flex;
    justify-content: center;
}

.testimonial-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.testimonial-content {
    text-align: center;
}

.testimonial-stars {
    color: #ffcc00;
    font-size: 20px;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.testimonial-text {
    color: var(--secondary-text);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 15px;
    font-style: italic;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-color);
}

/* FAQ */
.faq {
    margin: 60px 0;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--card-bg);
}

.faq-question {
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.3s;
}

.faq-question:hover {
    background-color: rgba(106, 61, 232, 0.05);
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
}

.faq-toggle {
    color: var(--primary-color);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.faq-answer {
    padding: 0 20px 16px;
    display: none;
}

.faq-answer p {
    color: var(--secondary-text);
    line-height: 1.6;
    font-size: 16px;
    text-align: left;
}

/* Disclaimer Section */
.disclaimer-section {
    margin: 50px 0 30px;
}

.disclaimer {
    background-color: rgba(106, 61, 232, 0.05);
    border-radius: 16px;
    padding: 30px;
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid rgba(106, 61, 232, 0.1);
}

.disclaimer h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.disclaimer p {
    color: var(--secondary-text);
    font-size: 14px;
    line-height: 1.8;
}

/* Language Selector */
.language-selector-container {
    position: relative;
    margin-right: 10px;
    display: inline-block;
    vertical-align: middle;
    z-index: 10;
}

.language-selector {
    background-color: #111111; /* Fallback for var(--card-bg) */
    background-color: var(--card-bg);
    color: #ffffff; /* Fallback for var(--primary-text) */
    color: var(--primary-text);
    border: 1px solid #333333; /* Fallback for var(--border-color) */
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    /* Simple arrow for browsers that don't support SVG background */
    background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAGCAYAAAD68A/GAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAJklEQVQImWNgoBAwMjAwMDCYMDAw/CfGAKyhpAuYGBgYGEgxAACiEAYJ+TGJ9AAAAABJRU5ErkJggg==");
    /* SVG arrow for modern browsers */
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 16px;
    padding-right: 30px;
    transition: all 0.3s ease;
    min-width: 100px;
    max-width: 150px;
    text-align: left;
}

.language-selector:hover {
    border-color: #6a3de8; /* Fallback for var(--highlight-color) */
    border-color: var(--highlight-color);
    box-shadow: 0 0 10px rgba(106, 61, 232, 0.2);
}

.language-selector:focus {
    outline: none;
    border-color: #6a3de8; /* Fallback for var(--highlight-color) */
    border-color: var(--highlight-color);
    box-shadow: 0 0 10px rgba(106, 61, 232, 0.3);
}

.language-selector option {
    background-color: #111111; /* Fallback for var(--card-bg) */
    background-color: var(--card-bg);
    color: #ffffff; /* Fallback for var(--primary-text) */
    color: var(--primary-text);
    padding: 8px;
}

/* Responsive */
@media screen and (max-width: 768px) {
    .nav-links, .search-cmd, .social-icons {
        display: none;
    }

    .mobile-menu {
        display: block;
    }

    .language-selector-container {
        position: absolute;
        right: 60px;
        top: 50%;
        transform: translateY(-50%);
    }

    .language-selector {
        min-width: 80px;
        padding: 6px 25px 6px 10px;
        font-size: 13px;
        background-size: 12px;
        background-position: right 6px center;
    }

    .hero {
        padding: 60px 0;
        gap: 40px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .subtitle {
        font-size: 16px;
        margin-bottom: 30px;
    }

    .primary-btn {
        padding: 12px 24px;
        font-size: 16px;
    }

    .large-btn {
        padding: 14px 28px;
        font-size: 18px;
    }

    .hero-stats {
        gap: 20px;
    }

    .stat-box {
        padding: 15px 25px;
        min-width: 140px;
    }

    .stat-number {
        font-size: 24px;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .cta-section {
        padding: 40px 20px;
    }

    .cta-content h2 {
        font-size: 28px;
    }

    .cta-content p {
        font-size: 16px;
    }

    .pricing-card {
        max-width: 100%;
        padding: 25px;
    }

    .step {
        min-width: 100%;
        padding: 30px 20px;
    }

    .testimonial-card {
        max-width: 100%;
        padding: 25px;
    }

    .faq-question h3 {
        font-size: 16px;
    }

    .requirement-card {
        min-width: 100%;
        padding: 25px;
    }
}