/* VOK Landing Page - Premium Design System */

:root {
    /* Color Palette */
    --color-bg: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-surface: #1e1e2a;
    --color-border: #2a2a3a;
    --color-border-light: #3a3a4a;

    --color-text: #ffffff;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #707080;

    --color-primary: #ff6b4a;
    --color-primary-light: #ff8c70;
    --color-primary-dark: #e55a3a;

    --color-accent: #6366f1;
    --color-accent-light: #818cf8;

    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #ff6b4a 0%, #ff8c70 100%);
    --gradient-accent: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --gradient-hero: linear-gradient(180deg, rgba(255, 107, 74, 0.15) 0%, rgba(99, 102, 241, 0.1) 50%, transparent 100%);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 100%);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 50px rgba(255, 107, 74, 0.3);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) var(--space-xl);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-normal);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-badge {
    font-size: 0.625rem;
    font-weight: 600;
    padding: 0.125rem 0.375rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    color: white;
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition-normal);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8rem var(--space-xl) var(--space-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
}

.hero-glow {
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 74, 0.2) 0%, transparent 70%);
    filter: blur(60px);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
        transform: translateX(-50%) scale(1);
    }

    50% {
        opacity: 0.8;
        transform: translateX(-50%) scale(1.1);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.6s ease;
}

.badge-icon {
    font-size: 1rem;
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.6s ease 0.1s backwards;
}

.title-line {
    display: block;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 650px;
    margin: 0 auto var(--space-2xl);
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

.hero-subtitle strong {
    color: var(--color-primary);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
    animation: fadeInUp 0.6s ease 0.3s backwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.btn-secondary:hover {
    background: var(--color-surface);
    border-color: var(--color-border-light);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    padding: var(--space-xl) var(--space-2xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    animation: fadeInUp 0.6s ease 0.4s backwards;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

.hero-visual {
    position: relative;
    z-index: 1;
    margin-top: var(--space-3xl);
    animation: fadeInUp 0.8s ease 0.5s backwards;
}

.terminal-window {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.terminal-buttons {
    display: flex;
    gap: var(--space-sm);
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
}

.btn-close {
    background: #ff5f56;
}

.btn-minimize {
    background: #ffbd2e;
}

.btn-maximize {
    background: #27ca40;
}

.terminal-title {
    flex: 1;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.terminal-body {
    padding: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.terminal-line {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.prompt {
    color: var(--color-primary);
    font-weight: 600;
}

.command {
    color: var(--color-text);
}

.terminal-output {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    color: var(--color-text-secondary);
}

.output-icon {
    font-size: 1rem;
}

.highlight {
    color: var(--color-primary);
    font-weight: 600;
}

.success {
    color: var(--color-success);
    font-weight: 600;
}

.info {
    color: var(--color-info);
    font-weight: 600;
}

.cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: var(--color-primary);
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styles */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

/* Features Section */
.features {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(255, 107, 74, 0.1);
}

.feature-main {
    grid-column: span 2;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.feature-visual {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
}

.routing-demo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
}

.task-input {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.routing-arrow {
    font-size: 1.5rem;
    color: var(--color-primary);
    animation: arrowPulse 1.5s ease infinite;
}

@keyframes arrowPulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

.model-output {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.model-badge {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.model-badge.glm {
    background: #22c55e;
    color: white;
}

.model-badge.gemini {
    background: #3b82f6;
    color: white;
}

.model-badge.agy {
    background: #a855f7;
    color: white;
}

.model-badge.claude {
    background: #ff6b4a;
    color: white;
}

.reason {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Routing Table Section */
.routing-section {
    padding: var(--space-3xl) 0;
}

.routing-table-wrapper {
    overflow-x: auto;
}

.routing-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.routing-table th,
.routing-table td {
    padding: var(--space-lg);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.routing-table th {
    background: var(--color-bg-tertiary);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.routing-table td {
    font-size: 0.9375rem;
}

.routing-table tr:last-child td {
    border-bottom: none;
}

.routing-table tr:hover td {
    background: var(--color-bg-secondary);
}

.task-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.task-tag.coding {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.task-tag.review {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

.task-tag.planning {
    background: rgba(168, 85, 247, 0.2);
    color: #a855f7;
}

.task-tag.design {
    background: rgba(236, 72, 153, 0.2);
    color: #ec4899;
}

.task-tag.critical {
    background: rgba(255, 107, 74, 0.2);
    color: #ff6b4a;
}

/* Agents Section */
.agents-section {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-secondary);
}

.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-md);
}

.agent-card {
    padding: var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition-normal);
}

.agent-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.agent-avatar {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.agent-card h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.agent-card p {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.agents-cta {
    text-align: center;
    margin-top: var(--space-xl);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Pricing Section */
.pricing-section {
    padding: var(--space-3xl) 0;
}

.pricing-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    transition: var(--transition-normal);
}

.pricing-card.traditional {
    opacity: 0.7;
}

.pricing-card.vok {
    border-color: var(--color-primary);
    background: linear-gradient(145deg, rgba(255, 107, 74, 0.1) 0%, var(--color-surface) 100%);
}

.pricing-popular {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-xs) var(--space-lg);
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.pricing-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.pricing-cost {
    margin: var(--space-xl) 0;
    display: flex;
    align-items: baseline;
    gap: var(--space-xs);
}

.currency {
    font-size: 1.5rem;
    color: var(--color-text-muted);
}

.amount {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
}

.pricing-card.vok .amount {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 0.9375rem;
}

.pricing-features .icon {
    font-weight: 700;
}

.pricing-card.traditional .icon {
    color: var(--color-error);
}

.pricing-card.vok .icon {
    color: var(--color-success);
}

.pricing-cta {
    display: block;
    width: 100%;
    padding: var(--space-md);
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    text-align: center;
    font-weight: 700;
    transition: var(--transition-normal);
}

.pricing-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.pricing-note {
    text-align: center;
    margin-top: var(--space-md);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Install Section */
.install-section {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-secondary);
}

.install-steps {
    max-width: 700px;
    margin: 0 auto;
}

.install-step {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    font-weight: 800;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.code-block {
    position: relative;
    padding: var(--space-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    white-space: pre-wrap;
    overflow-x: auto;
}

.copy-btn {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.copy-btn:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text);
}

/* CTA Section */
.cta-section {
    padding: var(--space-3xl) 0;
    background: var(--gradient-hero);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.cta-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

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

/* Footer */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.footer-main {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    color: var(--color-text-muted);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column a {
    display: block;
    padding: var(--space-xs) 0;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

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

.footer-bottom p {
    margin-bottom: var(--space-xs);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .stat-divider {
        display: none;
    }

    .feature-main {
        grid-column: span 1;
    }

    .routing-demo {
        flex-direction: column;
    }

    .routing-arrow {
        transform: rotate(90deg);
    }

    .install-step {
        flex-direction: column;
        gap: var(--space-md);
    }

    .step-number {
        margin: 0 auto;
    }

    .step-content {
        text-align: center;
    }
}