:root {
    --color-canvas-default: #0d1117;
    --color-canvas-subtle: #161b22;
    --color-border-default: #30363d;
    --color-border-muted: #21262d;
    --color-fg-default: #e6edf3;
    --color-fg-muted: #7d8590;
    --color-fg-subtle: #656d76;
    --color-accent-fg: #2f81f7;
    --color-accent-emphasis: #1f6feb;
    --color-success-fg: #3fb950;
    --color-success-emphasis: #238636;
    --color-danger-fg: #f85149;
    --color-warning-fg: #d29922;
    
    --color-primary: #2f81f7;
    --color-primary-dark: #1f6feb;
    --color-success: #3fb950;
    --color-gradient-start: #1f2937;
    --color-gradient-end: #111827;
    
    --font-family-system: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
    --font-family-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
    
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    
    --border-radius: 6px;
    --border-radius-lg: 12px;
    
    --shadow-sm: 0 1px 0 rgba(208, 215, 222, 0.2);
    --shadow-md: 0 3px 6px rgba(140, 149, 159, 0.15);
    --shadow-lg: 0 8px 24px rgba(140, 149, 159, 0.2);
}

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

body {
    font-family: var(--font-family-system);
    background-color: var(--color-canvas-default);
    color: var(--color-fg-default);
    line-height: 1.6;
    overflow-x: hidden;
}

.navbar {
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-default);
    padding: var(--space-3) 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-fg-default) !important;
    text-decoration: none;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-success));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.navbar-nav .nav-link {
    color: var(--color-fg-muted) !important;
    font-weight: 500;
    padding: var(--space-2) var(--space-4) !important;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--color-fg-default) !important;
    background-color: var(--color-canvas-subtle);
}

.navbar-nav .nav-link.active {
    color: var(--color-fg-default) !important;
    background-color: var(--color-canvas-subtle);
}

.dropdown-menu {
    background-color: var(--color-canvas-subtle);
    border: 1px solid var(--color-border-default);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
}

.dropdown-item {
    color: var(--color-fg-default);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--color-canvas-default);
    color: var(--color-fg-default);
}

.search-container {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    background-color: var(--color-canvas-subtle);
    border: 1px solid var(--color-border-default);
    border-radius: var(--border-radius);
    color: var(--color-fg-default);
    padding: var(--space-2) var(--space-3) var(--space-2) var(--space-8);
    font-size: 0.875rem;
    width: 240px;
    transition: all 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--color-accent-emphasis);
    box-shadow: 0 0 0 3px rgba(47, 129, 247, 0.3);
}

.search-container i {
    position: absolute;
    left: var(--space-3);
    color: var(--color-fg-muted);
    z-index: 1;
}

.btn {
    font-weight: 500;
    border-radius: var(--border-radius);
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-success:hover {
    background-color: var(--color-success-emphasis);
    border-color: var(--color-success-emphasis);
    color: white;
    transform: translateY(-1px);
}

.btn-outline-light {
    border-color: var(--color-border-default);
    color: var(--color-fg-default);
    background-color: transparent;
}

.btn-outline-light:hover {
    background-color: var(--color-canvas-subtle);
    border-color: var(--color-border-muted);
    color: var(--color-fg-default);
    transform: translateY(-1px);
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: 1rem;
}

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-16) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0f1419 0%, #1a1f36 25%, #2d1b69 50%, #1e3a8a 75%, #0f172a 100%);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(47, 129, 247, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(63, 185, 80, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(139, 92, 246, 0.2) 0%, transparent 50%);
    z-index: -1;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-6);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-fg-muted);
    max-width: 600px;
    margin: 0 auto var(--space-8);
}

.cta-form {
    max-width: 500px;
    margin: 0 auto;
    gap: 0;
}

.cta-input {
    background-color: var(--color-canvas-subtle);
    border: 1px solid var(--color-border-default);
    border-right: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    color: var(--color-fg-default);
    padding: var(--space-3) var(--space-4);
    font-size: 1rem;
    flex: 1;
}

.cta-input:focus {
    outline: none;
    border-color: var(--color-accent-emphasis);
    box-shadow: 0 0 0 3px rgba(47, 129, 247, 0.3);
    z-index: 1;
    position: relative;
}

.cta-button {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    padding: var(--space-3) var(--space-6);
    font-size: 1rem;
    white-space: nowrap;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: -1;
}

.floating-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(47, 129, 247, 0.1);
    border: 1px solid rgba(47, 129, 247, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.5rem;
    animation: float 6s ease-in-out infinite;
}

.icon-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.icon-2 {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.icon-3 {
    bottom: 30%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-fg-default);
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-fg-muted);
    margin-bottom: var(--space-8);
}

.intro-section {
    background-color: var(--color-canvas-subtle);
    border-top: 1px solid var(--color-border-default);
    border-bottom: 1px solid var(--color-border-default);
}

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

.intro-stats {
    margin-top: var(--space-12);
}

.stat-item {
    padding: var(--space-4);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.stat-label {
    color: var(--color-fg-muted);
    font-size: 0.875rem;
    margin: 0;
}

.features-section {
    padding: var(--space-16) 0;
}

.feature-tabs .nav-pills {
    background-color: var(--color-canvas-subtle);
    border-radius: var(--border-radius-lg);
    padding: var(--space-2);
    border: 1px solid var(--color-border-default);
}

.feature-tabs .nav-link {
    color: var(--color-fg-muted);
    background: transparent;
    border: none;
    border-radius: var(--border-radius);
    padding: var(--space-3) var(--space-6);
    font-weight: 500;
    transition: all 0.2s ease;
}

.feature-tabs .nav-link.active {
    background-color: var(--color-primary);
    color: white;
}

.feature-tabs .nav-link:hover:not(.active) {
    background-color: var(--color-canvas-default);
    color: var(--color-fg-default);
}

.tab-content {
    margin-top: var(--space-8);
}

.tab-pane {
    padding: var(--space-8);
    background-color: var(--color-canvas-subtle);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border-default);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: var(--space-2) 0;
    display: flex;
    align-items: center;
}

.feature-demo {
    display: flex;
    justify-content: center;
}

.demo-card {
    background-color: var(--color-canvas-default);
    border: 1px solid var(--color-border-default);
    border-radius: var(--border-radius-lg);
    padding: var(--space-4);
    width: 100%;
    max-width: 400px;
}

.demo-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border-default);
}

.demo-header i {
    margin-right: var(--space-3);
    color: var(--color-primary);
}

.demo-header span {
    font-weight: 600;
    color: var(--color-fg-default);
}

.progress-item {
    margin-bottom: var(--space-3);
}

.progress-item span {
    display: block;
    margin-bottom: var(--space-2);
    color: var(--color-fg-muted);
    font-size: 0.875rem;
}

.progress {
    height: 8px;
    background-color: var(--color-canvas-subtle);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: 4px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: var(--space-2);
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.targeting-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3);
    background-color: var(--color-canvas-subtle);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border-default);
}

.option.active {
    border-color: var(--color-primary);
    background-color: rgba(47, 129, 247, 0.1);
}

.campaign-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.stat {
    text-align: center;
    padding: var(--space-3);
    background-color: var(--color-canvas-subtle);
    border-radius: var(--border-radius);
}

.stat .label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-fg-muted);
    margin-bottom: var(--space-1);
}

.stat .value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.conversion-rate {
    text-align: center;
    padding: var(--space-4);
}

.rate-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.percentage {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-success);
}

.trend {
    font-size: 0.875rem;
    font-weight: 600;
}

.trend.up {
    color: var(--color-success);
}

.rate-label {
    color: var(--color-fg-muted);
    font-size: 0.875rem;
}

.analytics-chart {
    padding: var(--space-4);
}

.chart-bars {
    display: flex;
    align-items: end;
    justify-content: space-between;
    height: 80px;
    gap: var(--space-2);
}

.bar {
    background: linear-gradient(to top, var(--color-primary), var(--color-success));
    border-radius: 2px 2px 0 0;
    flex: 1;
    min-height: 20%;
    animation: growBar 1s ease-out;
}

@keyframes growBar {
    from { height: 0; }
    to { height: var(--final-height, 50%); }
}

.trusted-section {
    background-color: var(--color-canvas-subtle);
    border-top: 1px solid var(--color-border-default);
    border-bottom: 1px solid var(--color-border-default);
}

.company-logos {
    overflow: hidden;
    position: relative;
}

.logo-scroll {
    display: flex;
    animation: scroll 30s linear infinite;
    gap: var(--space-8);
}

.logo-item {
    flex-shrink: 0;
    padding: var(--space-4) var(--space-6);
    background-color: var(--color-canvas-default);
    border: 1px solid var(--color-border-default);
    border-radius: var(--border-radius);
    color: var(--color-fg-muted);
    font-weight: 600;
    font-size: 1.125rem;
    white-space: nowrap;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.cta-section {
    background: linear-gradient(135deg, var(--color-canvas-default) 0%, var(--color-canvas-subtle) 100%);
    padding: var(--space-16) 0;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-fg-default);
}

.cta-subtitle {
    font-size: 1.125rem;
    color: var(--color-fg-muted);
    max-width: 600px;
    margin: 0 auto;
}

.cta-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.footer {
    background-color: var(--color-canvas-default);
    border-top: 1px solid var(--color-border-default);
    color: var(--color-fg-muted);
}

.footer-brand {
    margin-bottom: var(--space-6);
}

.footer-description {
    color: var(--color-fg-muted);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-title {
    color: var(--color-fg-default);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
}

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

.footer-links li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    color: var(--color-fg-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

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

.contact-info p {
    margin-bottom: var(--space-2);
    font-size: 0.875rem;
}

.contact-info i {
    width: 16px;
    color: var(--color-primary);
}

.footer-divider {
    border-color: var(--color-border-default);
    margin: var(--space-8) 0 var(--space-6);
}

.copyright {
    font-size: 0.875rem;
    color: var(--color-fg-muted);
}

.footer-links-inline {
    display: flex;
    gap: var(--space-6);
}

.footer-links-inline a {
    color: var(--color-fg-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.footer-links-inline a:hover {
    color: var(--color-fg-default);
}

.pricing-hero {
    background: linear-gradient(135deg, var(--color-canvas-default) 0%, var(--color-canvas-subtle) 100%);
    border-bottom: 1px solid var(--color-border-default);
}

.pricing-section {
    background-color: var(--color-canvas-default);
}

.pricing-card {
    background-color: var(--color-canvas-subtle);
    border: 1px solid var(--color-border-default);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    height: 100%;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(47, 129, 247, 0.05) 0%, var(--color-canvas-subtle) 100%);
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-primary);
    color: white;
    text-align: center;
    padding: var(--space-2);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.pricing-icon {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    font-size: 1.5rem;
}

.pricing-icon i {
    color: var(--color-primary);
}

.pricing-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-fg-default);
    margin-bottom: var(--space-3);
}

.pricing-description {
    color: var(--color-fg-muted);
    font-size: 0.875rem;
    line-height: 1.5;
}

.pricing-price {
    text-align: center;
    margin-bottom: var(--space-6);
}

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
}

.price-unit {
    color: var(--color-fg-muted);
    font-size: 0.875rem;
    display: block;
    margin-top: var(--space-1);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin-bottom: var(--space-6);
}

.pricing-features li {
    display: flex;
    align-items: center;
    padding: var(--space-2) 0;
    color: var(--color-fg-default);
}

.pricing-features i {
    color: var(--color-success);
    margin-right: var(--space-3);
    font-size: 0.875rem;
}

.contact-section {
    background: linear-gradient(135deg, var(--color-canvas-default) 0%, var(--color-canvas-subtle) 100%);
    min-height: 100vh;
    padding: var(--space-16) 0;
}

.contact-form {
    background-color: var(--color-canvas-subtle);
    border: 1px solid var(--color-border-default);
    border-radius: var(--border-radius-lg);
    padding: var(--space-8);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    color: var(--color-fg-default);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: var(--space-3);
    background-color: var(--color-canvas-default);
    border: 1px solid var(--color-border-default);
    border-radius: var(--border-radius);
    color: var(--color-fg-default);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent-emphasis);
    box-shadow: 0 0 0 3px rgba(47, 129, 247, 0.3);
}

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

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.contact-info-section {
    background-color: var(--color-canvas-subtle);
    border-top: 1px solid var(--color-border-default);
    border-bottom: 1px solid var(--color-border-default);
}

.contact-info-card {
    background-color: var(--color-canvas-default);
    border: 1px solid var(--color-border-default);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    text-align: center;
}

.contact-info-card h4 {
    color: var(--color-fg-default);
    margin-bottom: var(--space-4);
}

.contact-info-card p {
    color: var(--color-fg-muted);
    margin-bottom: var(--space-2);
}

.contact-info-card i {
    color: var(--color-primary);
    margin-right: var(--space-2);
}

.page-hero {
    background: linear-gradient(135deg, var(--color-canvas-default) 0%, var(--color-canvas-subtle) 100%);
    padding: var(--space-16) 0 var(--space-12);
    border-bottom: 1px solid var(--color-border-default);
}

.page-content {
    background-color: var(--color-canvas-default);
    padding: var(--space-12) 0;
}

.content-section {
    margin-bottom: var(--space-8);
}

.content-section h2 {
    color: var(--color-fg-default);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.content-section h3 {
    color: var(--color-fg-default);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.content-section p {
    color: var(--color-fg-muted);
    line-height: 1.6;
    margin-bottom: var(--space-3);
}

.content-section ul {
    color: var(--color-fg-muted);
    padding-left: var(--space-4);
}

.content-section li {
    margin-bottom: var(--space-2);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .cta-form {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .cta-input,
    .cta-button {
        border-radius: var(--border-radius);
        border: 1px solid var(--color-border-default);
    }
    
    .search-input {
        width: 200px;
    }
    
    .floating-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .feature-tabs .nav-pills {
        flex-direction: column;
    }
    
    .campaign-stats {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        margin-top: var(--space-4);
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.125rem;
    }
    
    .logo-icon {
        width: 28px;
        height: 28px;
        font-size: 0.875rem;
    }
    
    .search-container {
        display: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .intro-stats {
        margin-top: var(--space-8);
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
}

.btn, .nav-link, .dropdown-item, .search-input {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:focus,
.nav-link:focus,
.search-input:focus {
    outline: 2px solid var(--color-accent-emphasis);
    outline-offset: 2px;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.mb-0 { margin-bottom: 0; }
.mt-3 { margin-top: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.py-5 { padding: var(--space-12) 0; }