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

:root {
    --neon-cyan: #00f3ff;
    --neon-pink: #ff006e;
    --neon-purple: #8b5cf6;
    --neon-blue: #3b82f6;
    --dark-bg: #0a0a0f;
    --darker-bg: #050508;
    --card-bg: #0f0f1a;
    --text-light: #ffffff;
    --text-gray: #a0a0b0;
    --text-muted: #6b6b80;
    --border-color: rgba(0, 243, 255, 0.2);
    --glow-shadow: 0 0 20px rgba(0, 243, 255, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
    letter-spacing: -0.01em;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    background: rgba(10, 10, 15, 0.95);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-brand h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 243, 255, 0.5);
    letter-spacing: -0.02em;
}

.nav-tagline {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-style: italic;
    max-width: 250px;
    line-height: 1.3;
    padding-left: 1rem;
    border-left: 1px solid var(--border-color);
}

.nav-tagline .definition-label {
    font-weight: 600;
    color: var(--text-gray);
    font-style: normal;
}

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

.nav-links a {
    color: var(--text-gray);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--neon-cyan);
}

.nav-links a:hover::after {
    width: 100%;
}

.btn-login, .btn-dashboard {
    background: rgba(0, 243, 255, 0.1);
    color: var(--neon-cyan);
    padding: 0.65rem 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--neon-cyan);
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.9rem;
}

.btn-login:hover, .btn-dashboard:hover {
    background: var(--neon-cyan);
    color: var(--darker-bg);
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.4);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 6rem 0 4rem;
    background:
        radial-gradient(ellipse at top, rgba(0, 243, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
}

.hero h2 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, var(--text-gray) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-gray);
    font-weight: 300;
}

/* Products Section */
.products-section {
    padding: 4rem 0 6rem;
}

.products-section > .container > h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Main Tabs */
.main-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.main-tab-btn {
    background: var(--card-bg);
    color: var(--text-gray);
    border: 1px solid var(--border-color);
    padding: 1rem 2rem;
    font-size: 1rem;
    cursor: pointer;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-weight: 600;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

.main-tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 243, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.main-tab-btn:hover::before {
    left: 100%;
}

.main-tab-btn:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 243, 255, 0.2);
}

.main-tab-btn.active {
    background: linear-gradient(135deg, rgba(0, 243, 255, 0.15), rgba(139, 92, 246, 0.15));
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.3), inset 0 0 20px rgba(0, 243, 255, 0.1);
}

/* Product Content */
.product-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.product-content.active {
    display: block;
}

/* Sub Tabs */
.sub-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.sub-tab-btn {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid transparent;
    padding: 0.75rem 1.75rem;
    font-size: 0.95rem;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.sub-tab-btn:hover {
    color: var(--text-light);
    border-color: var(--border-color);
}

.sub-tab-btn.active {
    background: rgba(0, 243, 255, 0.05);
    color: var(--neon-cyan);
    border-color: var(--neon-cyan);
}

/* Sub Content */
.sub-content {
    display: none;
    padding: 3rem;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    animation: fadeIn 0.4s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.sub-content.active {
    display: block;
}

.sub-content h3 {
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    font-weight: 700;
}

.sub-content p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 1.05rem;
}

.sub-content ul {
    list-style: none;
    margin: 1.5rem 0;
}

.sub-content li {
    margin: 1rem 0;
    color: var(--text-gray);
    padding-left: 1.5rem;
    position: relative;
}

.sub-content li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--neon-cyan);
    font-size: 1.2rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--darker-bg);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-cyan);
    box-shadow: 0 8px 32px rgba(0, 243, 255, 0.2);
}

.feature-card h4 {
    color: var(--neon-cyan);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

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

.pricing-card {
    background: var(--darker-bg);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pricing-card:hover::after {
    opacity: 1;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 243, 255, 0.2);
}

.pricing-card.featured {
    border-color: var(--neon-cyan);
    background: radial-gradient(circle at top, rgba(0, 243, 255, 0.1), var(--darker-bg));
    box-shadow: 0 0 40px rgba(0, 243, 255, 0.2);
    transform: scale(1.05);
}

.pricing-card.featured::after {
    opacity: 1;
}

.pricing-card h4 {
    color: var(--text-light);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.price {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 1.5rem 0;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.pricing-card ul {
    list-style: none;
    margin: 2rem 0;
}

.pricing-card li {
    padding: 0.75rem 0;
    color: var(--text-gray);
    border-bottom: 1px solid rgba(0, 243, 255, 0.1);
}

.pricing-card li:last-child {
    border-bottom: none;
}

.btn-buy {
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
    color: var(--darker-bg);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 700;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
}

.btn-buy::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-buy:hover::before {
    left: 100%;
}

.btn-buy:hover {
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.5);
    transform: translateY(-2px);
}

/* Footer */
footer {
    background: var(--darker-bg);
    text-align: center;
    padding: 3rem 0;
    margin-top: 6rem;
    border-top: 1px solid var(--border-color);
}

footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Auth Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background:
        radial-gradient(ellipse at top left, rgba(0, 243, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

.auth-box {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 450px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.auth-box h2 {
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 700;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-gray);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input {
    width: 100%;
    padding: 0.9rem 1.2rem;
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.2);
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
    color: var(--darker-bg);
    border: none;
    border-radius: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-submit:hover {
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.4);
    transform: translateY(-2px);
}

.auth-links {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-muted);
}

.auth-links a {
    color: var(--neon-cyan);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.auth-links a:hover {
    color: var(--neon-purple);
}

.error-message {
    background: rgba(255, 0, 110, 0.1);
    color: var(--neon-pink);
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    text-align: center;
    border: 1px solid var(--neon-pink);
    font-size: 0.95rem;
}

.success-message {
    background: rgba(0, 243, 255, 0.1);
    color: var(--neon-cyan);
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    text-align: center;
    border: 1px solid var(--neon-cyan);
    font-size: 0.95rem;
}

/* Dashboard */
.dashboard-container {
    padding: 3rem 2rem;
    min-height: 100vh;
}

.dashboard-header {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    margin-bottom: 2.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.dashboard-header h2 {
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    font-size: 2rem;
    font-weight: 700;
}

.dashboard-header p {
    color: var(--text-gray);
}

.licenses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.license-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.license-card:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 8px 32px rgba(0, 243, 255, 0.2);
    transform: translateY(-4px);
}

.license-card h3 {
    color: var(--neon-cyan);
    margin-bottom: 1rem;
    font-size: 1.4rem;
    font-weight: 600;
}

.license-info p {
    margin: 0.75rem 0;
    color: var(--text-gray);
    font-size: 0.95rem;
}

.license-info strong {
    color: var(--text-light);
}

.license-key {
    background: var(--darker-bg);
    padding: 1rem;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    word-break: break-all;
    margin: 1rem 0;
    border: 1px solid var(--border-color);
    color: var(--neon-cyan);
    font-size: 0.9rem;
}

.status-active {
    color: var(--neon-cyan);
    font-weight: bold;
}

.status-expired {
    color: var(--neon-pink);
    font-weight: bold;
}

.btn-logout {
    background: rgba(255, 0, 110, 0.1);
    color: var(--neon-pink);
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--neon-pink);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-logout:hover {
    background: var(--neon-pink);
    color: var(--darker-bg);
    box-shadow: 0 0 20px rgba(255, 0, 110, 0.4);
}

/* Checkout */
.checkout-container {
    padding: 3rem 2rem;
    min-height: 100vh;
}

.checkout-content {
    max-width: 900px;
    margin: 0 auto;
}

.checkout-box {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.checkout-box h2 {
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 700;
}

.order-summary {
    background: var(--darker-bg);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.order-summary h3 {
    color: var(--neon-cyan);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin: 1rem 0;
    color: var(--text-gray);
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(0, 243, 255, 0.1);
}

.summary-total {
    border-top: 2px solid var(--neon-cyan);
    padding-top: 1rem;
    margin-top: 1rem;
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--neon-cyan);
    border-bottom: none;
}

/* Thank You */
.thankyou-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.thankyou-box {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    text-align: center;
    max-width: 700px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.thankyou-box h2 {
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.checkmark {
    font-size: 5rem;
    color: var(--neon-cyan);
    margin-bottom: 1rem;
    text-shadow: 0 0 30px rgba(0, 243, 255, 0.5);
}

.order-details {
    background: var(--darker-bg);
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
    text-align: left;
    border: 1px solid var(--border-color);
}

.order-details h3 {
    color: var(--neon-cyan);
    margin-bottom: 1rem;
}

.order-details p {
    color: var(--text-gray);
    margin: 0.75rem 0;
}

.btn-dashboard-link {
    display: inline-block;
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
    color: var(--darker-bg);
    padding: 1rem 2.5rem;
    border-radius: 10px;
    text-decoration: none;
    margin-top: 1rem;
    transition: all 0.3s ease;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-dashboard-link:hover {
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.5);
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .main-tabs {
        flex-direction: column;
    }

    .main-tab-btn {
        width: 100%;
    }

    .nav-links {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-brand {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .nav-tagline {
        border-left: none;
        border-top: 1px solid var(--border-color);
        padding-left: 0;
        padding-top: 0.5rem;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .container {
        padding: 0 1rem;
    }
}