:root {
    --primary-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 25%, #0f3460 50%, #533483 75%, #7209b7 100%);
    --sidebar-bg: rgba(26, 26, 46, 0.95);
    --main-bg: rgba(15, 52, 96, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #d7d7d7;
    --text-muted: #a0a0a0;
    --accent-blue: #4a90e2;
    --accent-purple: #7209b7;
    --accent-green: #28a745;
    --card-bg: rgba(255, 255, 255, 0.1);
    --card-border: rgba(255, 255, 255, 0.2);
    --hover-bg: rgba(255, 255, 255, 0.15);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--primary-gradient);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.sidebar {
    background: var(--sidebar-bg);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--card-border);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-content {
    padding: 2rem 1rem;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    padding: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.brand-logo i {
    font-size: 2rem;
    color: var(--accent-blue);
}

.nav-link {
    color: var(--text-secondary) !important;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.nav-link:hover {
    background: var(--hover-bg);
    color: var(--text-primary) !important;
    transform: translateX(5px);
}

.nav-link.active {
    background: var(--accent-blue);
    color: var(--text-primary) !important;
}

.nav-link i {
    font-size: 1.1rem;
    width: 20px;
}

.main-content {
    margin-left: 0;
    background: transparent;
}

@media (min-width: 768px) {
    .main-content {
        margin-left: 25%;
    }
}

@media (min-width: 992px) {
    .main-content {
        margin-left: 16.666667%;
    }
}

.main-wrapper {
    padding: 2rem;
    min-height: 100vh;
}

.contact-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.contact-link:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

.hero-section {
    margin-bottom: 4rem;
}

.logo-container {
    margin-bottom: 2rem;
}

.main-logo {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.main-logo i {
    font-size: 4rem;
    color: var(--accent-blue);
    animation: pulse 2s infinite;
}

.logo-text {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.intro-section {
    margin-bottom: 3rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.intro-section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-blue);
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.demo-container {
    margin: 3rem 0;
}

.demo-window {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    overflow: hidden;
    max-width: 800px;
    margin: 0 auto;
    backdrop-filter: blur(10px);
}

.demo-header {
    background: rgba(0, 0, 0, 0.3);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.demo-controls {
    display: flex;
    gap: 0.5rem;
}

.demo-control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.demo-control.red { background: #ff5f57; }
.demo-control.yellow { background: #ffbd2e; }
.demo-control.green { background: #28ca42; }

.demo-title {
    font-weight: 600;
    color: var(--text-primary);
}

.demo-content {
    padding: 2rem;
}

.demo-section {
    margin-bottom: 2rem;
}

.demo-section h4 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.demo-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-green);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.campaign-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.campaign-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
}

.campaign-status {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.campaign-status.active {
    background: var(--accent-green);
    color: white;
}

.campaign-status.pending {
    background: #ffc107;
    color: #000;
}

.video-placeholder {
    margin: 3rem 0;
}

.video-container {
    background: #000;
    border-radius: 12px;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.video-overlay {
    text-align: center;
    color: var(--text-primary);
}

.video-overlay i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--accent-blue);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.video-overlay i:hover {
    transform: scale(1.1);
}

.cta-links {
    margin-top: 3rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background: #357abd;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

.btn-outline-light {
    border: 2px solid var(--text-primary);
    color: var(--text-primary);
    background: transparent;
}

.btn-outline-light:hover {
    background: var(--text-primary);
    color: var(--primary-gradient);
}

.btn-outline-primary {
    border: 2px solid var(--accent-blue);
    color: var(--accent-blue);
    background: transparent;
}

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

.features-section {
    margin: 4rem 0;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2rem;
    height: 100%;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h4 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-card i {
    font-size: 1.5rem;
}

.technology-section {
    margin: 4rem 0;
    text-align: center;
}

.technology-section h2 {
    color: var(--accent-purple);
    margin-bottom: 2rem;
}

.tech-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-item {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.tech-item i {
    font-size: 3rem;
    color: var(--accent-purple);
    margin-bottom: 1rem;
}

.tech-item h5 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.pricing-header {
    margin-bottom: 3rem;
}

.pricing-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.pricing-cards {
    margin: 3rem 0;
}

.pricing-card {
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 16px;
    padding: 0;
    height: 100%;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.featured {
    border-color: var(--accent-blue);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.featured-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent-blue);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header-card {
    padding: 2rem;
    text-align: center;
    border-bottom: 1px solid var(--card-border);
}

.pricing-header-card h3 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.price span {
    font-size: 1rem;
    color: var(--text-muted);
}

.pricing-features {
    padding: 2rem;
}

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

.pricing-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pricing-features i {
    color: var(--accent-green);
    font-size: 1.1rem;
}

.pricing-cta {
    padding: 2rem;
    text-align: center;
}

.pricing-features-section {
    margin: 4rem 0;
}

.feature-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.feature-item i {
    font-size: 2rem;
    color: var(--accent-blue);
    margin-top: 0.5rem;
}

.feature-item h4 {
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.pricing-faq {
    margin: 4rem 0;
}

.accordion-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    margin-bottom: 1rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.accordion-button {
    background: transparent;
    color: var(--text-primary);
    border: none;
    padding: 1.5rem;
    font-weight: 600;
}

.accordion-button:not(.collapsed) {
    background: var(--hover-bg);
    color: var(--accent-blue);
}

.accordion-body {
    padding: 1.5rem;
    color: var(--text-secondary);
}

.pricing-cta-section {
    margin: 4rem 0;
    padding: 3rem;
    background: var(--card-bg);
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.contact-header {
    margin-bottom: 3rem;
}

.contact-form-container {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 3rem;
    backdrop-filter: blur(10px);
    margin-bottom: 3rem;
}

.form-label {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 0.75rem;
    border-radius: 8px;
}

.form-control:focus, .form-select:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 0.2rem rgba(74, 144, 226, 0.25);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-check-input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--card-border);
}

.form-check-input:checked {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.form-check-label {
    color: var(--text-secondary);
}

.thank-you-message {
    text-align: center;
    padding: 3rem;
    background: var(--card-bg);
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.thank-you-message i {
    font-size: 4rem;
    color: var(--accent-green);
    margin-bottom: 1rem;
}

.thank-you-message h3 {
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
}

.contact-info-section {
    margin: 4rem 0;
}

.contact-info-item {
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.contact-info-item i {
    font-size: 2.5rem;
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.contact-info-item h4 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.contact-info-item a {
    color: var(--text-primary);
    text-decoration: none;
}

.contact-info-item a:hover {
    color: var(--accent-blue);
}

.legal-header {
    margin-bottom: 3rem;
    text-align: center;
}

.legal-header h1 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.last-updated {
    color: var(--text-muted);
    font-style: italic;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.legal-section h2 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.legal-section ul {
    margin-left: 1.5rem;
    margin-top: 1rem;
}

.legal-section li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.legal-section a {
    color: var(--accent-blue);
    text-decoration: none;
}

.legal-section a:hover {
    text-decoration: underline;
}

.footer {
    margin-top: 4rem;
    padding: 3rem 0 2rem;
    border-top: 1px solid var(--card-border);
}

.footer-contact, .footer-links {
    margin-bottom: 2rem;
}

.footer h5 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

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

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--card-border);
    color: var(--text-muted);
}

.footer a {
    color: var(--accent-blue);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

@media (max-width: 767px) {
    .sidebar {
        position: relative;
        height: auto;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .main-wrapper {
        padding: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .cta-links {
        flex-direction: column;
        align-items: center;
    }
    
    .demo-stats {
        grid-template-columns: 1fr;
    }
    
    .tech-highlights {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 575px) {
    .main-logo i {
        font-size: 3rem;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .price {
        font-size: 2rem;
    }
    
    .contact-form-container {
        padding: 2rem;
    }
}

.form-control.is-valid, .form-select.is-valid {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

.form-control.is-invalid, .form-select.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: #dc3545;
}

.btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}