:root {
    --primary: #e300ff;
    --primary-dark: #b800cc;
    --accent: #ff0080;
    --background: #000000;
    --surface: #0a0a0a;
    --surface-elevated: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --spacing: 1rem;
    --border-radius: 16px;
    --border-radius-large: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 calc(var(--spacing) * 2);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: calc(var(--spacing) * 1.5);
    padding-bottom: calc(var(--spacing) * 1.5);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 0.75);
    font-size: 1.25rem;
    font-weight: 700;
}

.logo {
    font-size: 1.75rem;
    filter: drop-shadow(0 0 8px rgba(227, 0, 255, 0.5));
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: calc(var(--spacing) * 2);
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: calc(var(--spacing) * 0.5);
    padding: calc(var(--spacing) * 0.75) calc(var(--spacing) * 1.5);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    opacity: 0;
    transition: var(--transition);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary > * {
    position: relative;
    z-index: 1;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-large {
    padding: calc(var(--spacing) * 1) calc(var(--spacing) * 2);
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Hero Section */
.hero {
    padding-top: calc(var(--spacing) * 12);
    padding-bottom: calc(var(--spacing) * 8);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, rgba(227, 0, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing) * 4);
    align-items: center;
    position: relative;
}

.hero-badge {
    margin-bottom: calc(var(--spacing) * 2);
}

.badge {
    display: inline-block;
    padding: calc(var(--spacing) * 0.5) calc(var(--spacing) * 1);
    background: rgba(227, 0, 255, 0.1);
    border: 1px solid rgba(227, 0, 255, 0.3);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: calc(var(--spacing) * 1.5);
    letter-spacing: -0.02em;
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: calc(var(--spacing) * 3);
    max-width: 600px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: calc(var(--spacing) * 1.5);
    margin-bottom: calc(var(--spacing) * 4);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(var(--spacing) * 3);
    padding-top: calc(var(--spacing) * 3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat {
    text-align: left;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: calc(var(--spacing) * 0.25);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Code Window */
.hero-visual {
    position: relative;
    will-change: transform;
    transform: translateZ(0);
}

.code-window {
    background: var(--surface-elevated);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5),
                0 0 100px rgba(227, 0, 255, 0.2);
}

.window-header {
    display: flex;
    align-items: center;
    padding: calc(var(--spacing) * 1);
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.window-controls {
    display: flex;
    gap: calc(var(--spacing) * 0.5);
    margin-right: calc(var(--spacing) * 1);
}

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

.control.red { background: #ff5f56; }
.control.yellow { background: #ffbd2e; }
.control.green { background: #27c93f; }

.window-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.window-content {
    padding: calc(var(--spacing) * 2);
}

.compression-demo {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 1.5);
}

.demo-section {
    padding: calc(var(--spacing) * 1.5);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.demo-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: calc(var(--spacing) * 0.75);
    color: var(--text-secondary);
}

.original .demo-label {
    color: #ffbd2e;
}

.compressed .demo-label {
    color: #27c93f;
}

.demo-text {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-primary);
}

.demo-arrow {
    text-align: center;
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 700;
}

.savings-badge {
    margin-top: calc(var(--spacing) * 1.5);
    padding: calc(var(--spacing) * 0.75);
    background: linear-gradient(135deg, rgba(227, 0, 255, 0.2), rgba(255, 0, 128, 0.2));
    border: 1px solid var(--primary);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 700;
    color: var(--primary);
}

/* Section Styles */
section {
    padding: calc(var(--spacing) * 8) 0;
}

.section-header {
    text-align: center;
    margin-bottom: calc(var(--spacing) * 6);
}

.section-header h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: calc(var(--spacing) * 1.5);
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Grid */
.features {
    background: var(--surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: calc(var(--spacing) * 2);
}

.feature-card {
    padding: calc(var(--spacing) * 2.5);
    background: var(--surface-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-large);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(227, 0, 255, 0.5);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3),
                0 0 40px rgba(227, 0, 255, 0.2);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: calc(var(--spacing) * 1.5);
    filter: drop-shadow(0 0 8px rgba(227, 0, 255, 0.3));
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing) * 1);
}

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

/* How It Works */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: calc(var(--spacing) * 4);
    margin-top: calc(var(--spacing) * 4);
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    margin: 0 auto calc(var(--spacing) * 2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    box-shadow: 0 10px 30px rgba(227, 0, 255, 0.3);
}

.step h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing) * 1);
}

.step p {
    color: var(--text-secondary);
    max-width: 300px;
    margin: 0 auto;
}

/* Pricing */
.pricing {
    background: var(--surface);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: calc(var(--spacing) * 3);
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--surface-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-large);
    padding: calc(var(--spacing) * 3);
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: rgba(227, 0, 255, 0.5);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 20px 60px rgba(227, 0, 255, 0.2);
    background: linear-gradient(135deg, rgba(227, 0, 255, 0.05), rgba(255, 0, 128, 0.05));
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    padding: calc(var(--spacing) * 0.5) calc(var(--spacing) * 1.5);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    text-align: center;
    margin-bottom: calc(var(--spacing) * 3);
    padding-bottom: calc(var(--spacing) * 3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing) * 2);
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin-bottom: calc(var(--spacing) * 1);
}

.currency {
    font-size: 2rem;
    font-weight: 700;
    margin-top: calc(var(--spacing) * 0.5);
}

.amount {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.pricing-features {
    list-style: none;
    margin-bottom: calc(var(--spacing) * 3);
}

.pricing-features li {
    padding: calc(var(--spacing) * 0.75) 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 0.75);
}

/* Roadmap */
.roadmap-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), transparent);
}

.timeline-item {
    display: flex;
    gap: calc(var(--spacing) * 3);
    margin-bottom: calc(var(--spacing) * 4);
    position: relative;
}

.timeline-marker {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    background: var(--surface-elevated);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    position: relative;
    z-index: 1;
}

.timeline-item.completed .timeline-marker {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-color: var(--primary);
}

.timeline-item.in-progress .timeline-marker {
    background: var(--surface-elevated);
    border-color: var(--primary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(227, 0, 255, 0.7);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(227, 0, 255, 0);
    }
}

.timeline-content {
    flex: 1;
    padding-top: calc(var(--spacing) * 1);
}

.timeline-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing) * 0.75);
}

.timeline-content p {
    color: var(--text-secondary);
    margin-bottom: calc(var(--spacing) * 0.75);
}

.timeline-date {
    display: inline-block;
    padding: calc(var(--spacing) * 0.5) calc(var(--spacing) * 1);
    background: rgba(227, 0, 255, 0.1);
    border: 1px solid rgba(227, 0, 255, 0.3);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

/* Install Section */
.install {
    background: linear-gradient(135deg, rgba(227, 0, 255, 0.1), rgba(255, 0, 128, 0.1));
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.install-content h2 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: calc(var(--spacing) * 1.5);
}

.install-content > p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: calc(var(--spacing) * 4);
}

.install-steps {
    display: flex;
    justify-content: center;
    gap: calc(var(--spacing) * 2);
    margin-bottom: calc(var(--spacing) * 4);
}

.install-step {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 1);
}

.install-step-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    font-weight: 700;
}

.install-btn {
    margin-bottom: calc(var(--spacing) * 1.5);
}

.install-note {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    padding: calc(var(--spacing) * 6) 0 calc(var(--spacing) * 3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: calc(var(--spacing) * 4);
    margin-bottom: calc(var(--spacing) * 4);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 0.75);
    margin-bottom: calc(var(--spacing) * 1);
}

.footer-brand p {
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-column h4 {
    font-weight: 700;
    margin-bottom: calc(var(--spacing) * 1.5);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: calc(var(--spacing) * 0.75);
}

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

.footer-column a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding-top: calc(var(--spacing) * 3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--text-secondary);
}

.footer-bottom p {
    margin-bottom: calc(var(--spacing) * 0.5);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

    .hero-visual {
        order: 1;
        margin-bottom: calc(var(--spacing) * 4);
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        gap: calc(var(--spacing) * 1);
    }

    .nav-links li:not(:last-child) {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing) * 2);
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .install-steps {
        flex-direction: column;
    }

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

    .footer-brand p {
        margin: 0 auto;
    }

    .roadmap-timeline::before {
        left: 30px;
    }

    .timeline-marker {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }

    .stat-value {
        font-size: 2rem;
    }

    .btn-large {
        padding: calc(var(--spacing) * 0.875) calc(var(--spacing) * 1.5);
        font-size: 1rem;
    }
}