:root {
    --primary-color: #0D1117;
    --accent-color: #4F46E5;
    --text-color: #ffffff;
    --secondary-text: #8B949E;
    --card-bg: rgba(255, 255, 255, 0.05);
    --gradient: linear-gradient(135deg, #4F46E5, #9333EA);
    --success-color: #22c55e;
    --background: #0D1117;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--background);
    color: var(--text-color);
    line-height: 1.6;
}

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

/* Typography */
h1, h2, h3 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    gap: 0.5rem;
}

.logo img {
    width: 32px;
    height: 32px;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

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

.nav-link:hover {
    color: var(--accent-color);
}

.nav-button {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.nav-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.nav-button i {
    color: #ffd700;
}

/* Download Buttons */
.download-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--gradient);
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    border: none;
}

.download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.download-button i {
    font-size: 1.2rem;
}

.vs-code-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--text-color);
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    border: 2px solid var(--text-color);
}

.vs-code-button:hover {
    background: var(--text-color);
    color: white;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding-top: 100px;
    background: radial-gradient(circle at top right, rgba(79, 70, 229, 0.1), transparent);
    overflow: hidden;
}

.special-offer {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(46, 204, 113, 0.1);
    color: var(--success-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    margin-bottom: 2rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    max-width: 600px;
}

.hero-heading {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
}

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

.usp-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.usp-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

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

.hero-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Stats Section */
.stats {
    text-align: center;
    padding: 4rem 0;
}

.stats-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #ffd700;
}

.rating span {
    color: var(--text-color);
    margin-left: 0.5rem;
}

/* Section Styles */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.section-separator {
    height: 2px;
    background: linear-gradient(to right, transparent, rgba(79, 70, 229, 0.2), transparent);
    margin: 4rem 0;
}

/* How It Works Section */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

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

.step-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.step-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

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

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

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

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Testimonials Section */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial-text {
    font-style: italic;
    margin: 1rem 0;
}

.testimonial-author {
    font-weight: 500;
    color: var(--accent-color);
}

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

.faq-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-card h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
}

/* Use Cases Section */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.use-case-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

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

.use-case-card i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

/* Pricing Section */
.pricing {
    padding: 6rem 2rem;
    background: radial-gradient(circle at bottom left, rgba(79, 70, 229, 0.1), transparent);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.pricing-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-card.featured {
    border: 2px solid var(--accent-color);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.2);
}

.pro-label {
    position: absolute;
    top: 15px;
    right: -35px;
    background: var(--accent-color);
    color: white;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 1px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.price {
    margin: 20px 0;
    text-align: center;
}

.original-price {
    color: var(--secondary-text);
    text-decoration: line-through;
    font-size: 20px;
    margin-right: 10px;
}

.current-price {
    font-size: 36px;
    font-weight: bold;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.pricing-features {
    margin: 30px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 15px 0;
    color: var(--text-color);
}

.feature-item i {
    color: var(--success-color);
}

/* Payment Page Styles */
.upgrade-section {
    padding: 120px 2rem 4rem;
    min-height: 100vh;
    background: radial-gradient(circle at top right, rgba(79, 70, 229, 0.1), transparent);
}

.upgrade-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.payment-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.payment-form h2 {
    margin-bottom: 2rem;
    color: var(--text-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    font-size: 1rem;
}

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

.payment-summary {
    margin: 2rem 0;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    color: var(--text-color);
}

.summary-item.total {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-weight: bold;
}

.payment-button {
    width: 100%;
    padding: 1rem;
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.payment-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.payment-info {
    margin-top: 1.5rem;
    text-align: center;
    color: var(--secondary-text);
}

.payment-info p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0.5rem 0;
}

.features-reminder {
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.features-reminder h3 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.features-reminder ul {
    list-style: none;
    padding: 0;
}

.features-reminder li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    color: var(--text-color);
}

.features-reminder i {
    color: var(--accent-color);
}

@media (max-width: 768px) {
    .upgrade-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .payment-form {
        padding: 1.5rem;
    }

    .features-reminder {
        padding: 1.5rem;
    }
}

/* Donation Section */
.donation {
    text-align: center;
    padding: 4rem 2rem;
}

.donation-options {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.donation-option {
    text-align: center;
}

.donation-option img {
    width: 100px;
    height: auto;
    margin-bottom: 1rem;
}

/* Footer */
.footer {
    background: #0D1117;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.footer-links {
    list-style: none;
}

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

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

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

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

.social-links a {
    color: var(--secondary-text);
    font-size: 1.5rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-bottom i {
    color: #e74c3c;
}

/* Mobile Menu */
.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    /* Typography */
    h1 {
        font-size: 2rem !important;
        line-height: 1.3;
    }

    h2 {
        font-size: 1.75rem !important;
    }

    h3 {
        font-size: 1.25rem !important;
    }

    p {
        font-size: 0.95rem;
    }

    /* Navigation */
    .navbar {
        padding: 0.75rem 0;
    }

    .navbar .container {
        padding: 0 1rem;
    }

    .logo {
        font-size: 1.2rem;
    }

    .logo img {
        width: 24px;
        height: 24px;
    }

    .mobile-menu-button {
        display: block;
        padding: 0.5rem;
        margin-left: auto;
        z-index: 100;
    }

    .desktop-nav {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--primary-color);
        padding: 1rem;
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

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

    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
    }

    .nav-link {
        padding: 0.75rem 1rem;
        display: block;
        border-radius: 8px;
    }

    .nav-link:hover {
        background: rgba(255, 255, 255, 0.05);
    }

    .nav-button {
        padding: 0.75rem 1rem;
        text-align: center;
        margin-top: 0.5rem;
    }

    /* Hero Section */
    .hero {
        padding-top: 80px;
        padding-bottom: 2rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-text {
        padding: 0 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        padding: 0 1rem;
    }

    .download-button, .vs-code-button {
        width: 100%;
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }

    .hero-image {
        order: -1;
        padding: 0 1rem;
    }

    .hero-image img {
        max-width: 100%;
        height: auto;
    }

    /* Features Section */
    .features {
        padding: 3rem 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0;
    }

    .feature-card {
        padding: 1.25rem;
    }

    /* Pricing Section */
    .pricing {
        padding: 3rem 1rem;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0;
    }

    .pricing-card {
        padding: 1.25rem;
    }

    .price {
        font-size: 1.5rem;
    }

    .original-price {
        font-size: 1rem;
    }

    /* Creator Section */
    .creator-section {
        padding: 3rem 1rem;
    }

    .creator-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .creator-image {
        max-width: 200px;
        margin: 0 auto;
    }

    .creator-info {
        padding: 1.25rem;
    }

    .creator-title {
        font-size: 1.75rem;
    }

    .achievement-list {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .achievement-item {
        padding: 0.75rem;
    }

    .social-links {
        justify-content: center;
    }

    /* Footer */
    .footer {
        padding: 2rem 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

/* Creator Section */
.creator-section {
    padding: 6rem 2rem;
    background: radial-gradient(circle at center, rgba(79, 70, 229, 0.1), transparent);
}

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

.creator-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.creator-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.creator-image:hover img {
    transform: scale(1.05);
}

.creator-info {
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.creator-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.creator-subtitle {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.creator-bio {
    color: var(--text-color);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.achievement-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(79, 70, 229, 0.1);
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.achievement-item:hover {
    transform: translateY(-5px);
}

.achievement-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border-radius: 50%;
    color: var(--text-color);
    font-size: 1.2rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background: var(--gradient);
    color: white;
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .creator-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .creator-image {
        max-width: 300px;
        margin: 0 auto;
    }

    .achievement-list {
        grid-template-columns: 1fr;
    }
}

/* Pricing Section Dark Theme Improvements */
.pricing {
    background: radial-gradient(circle at center, rgba(79, 70, 229, 0.1), transparent);
}

.pricing-card {
    background: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.pricing-card.featured {
    background: rgba(79, 70, 229, 0.1);
    border: 1px solid var(--accent-color);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.feature-item {
    color: var(--text-color);
}

.feature-item.highlight {
    color: var(--accent-color);
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}