/* Rendara - Brand Stylesheet */
/* Color Palette:
   Primary: Deep Purple #6B46C1
   Secondary: Electric Blue #3B82F6
   Accent: Warm Orange #F59E0B
   Dark: Near Black #1A1A2E
   Light: Off White #F8FAFC
*/

/* CSS Variables */
:root {
    --color-primary: #6B46C1;
    --color-primary-light: #8B5CF6;
    --color-primary-dark: #553C9A;
    --color-secondary: #3B82F6;
    --color-secondary-light: #60A5FA;
    --color-accent: #F59E0B;
    --color-accent-light: #FBBF24;

    --color-bg-dark: #1A1A2E;
    --color-bg-darker: #0F0F1A;
    --color-bg-card: #252542;
    --color-bg-elevated: #2D2D4A;

    --color-text: #F8FAFC;
    --color-text-secondary: #A0AEC0;
    --color-text-muted: #718096;

    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-strong: rgba(255, 255, 255, 0.2);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(107, 70, 193, 0.3);

    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg-dark);
}

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

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--color-bg-elevated);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
    box-shadow: 0 4px 15px rgba(107, 70, 193, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(107, 70, 193, 0.5);
}

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

.btn-ghost:hover {
    background: var(--color-bg-elevated);
    border-color: var(--color-primary);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    background: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 600;
}

.logo-mark {
    width: 32px;
    height: 32px;
    background-image: url('/favicon.svg');
    background-size: contain;
    border-radius: var(--radius-md);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

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

.hero-gradient {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(107, 70, 193, 0.3) 0%, transparent 70%);
    filter: blur(60px);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(107, 70, 193, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(107, 70, 193, 0.1) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    margin-bottom: 24px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-accent);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-full);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    margin-bottom: 24px;
}

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

.hero-subtitle {
    max-width: 640px;
    margin: 0 auto 40px;
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
}

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

/* Demo Section */
.demo-section {
    padding: 0 0 120px;
    margin-top: -40px;
}

.demo-window {
    max-width: 900px;
    margin: 0 auto;
    background: var(--color-bg-darker);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    overflow: hidden;
}

.demo-titlebar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
}

.demo-controls {
    display: flex;
    gap: 8px;
}

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

.control.close { background: #FF5F57; }
.control.minimize { background: #FFBD2E; }
.control.maximize { background: #28C840; }

.demo-title {
    flex: 1;
    text-align: center;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.demo-content {
    display: flex;
    min-height: 300px;
}

.demo-sidebar {
    width: 200px;
    padding: 12px;
    background: var(--color-bg-card);
    border-right: 1px solid var(--color-border);
}

.demo-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.demo-item:hover {
    background: var(--color-bg-elevated);
}

.demo-item.active {
    background: var(--color-primary);
    color: white;
}

.item-icon {
    font-size: 0.875rem;
}

.badge-new {
    margin-left: auto;
    padding: 2px 6px;
    font-size: 0.625rem;
    font-weight: 600;
    background: var(--color-accent);
    color: var(--color-bg-dark);
    border-radius: var(--radius-full);
}

.demo-main {
    flex: 1;
    padding: 20px;
}

.demo-ai-card {
    background: linear-gradient(135deg, rgba(107, 70, 193, 0.2), rgba(59, 130, 246, 0.1));
    border: 1px solid rgba(107, 70, 193, 0.3);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.ai-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(107, 70, 193, 0.2);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary-light);
}

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

.ai-message {
    padding: 16px;
    font-size: 0.875rem;
    line-height: 1.7;
}

.ai-message p {
    margin-bottom: 12px;
}

.ai-message p:last-child {
    margin-bottom: 0;
}

.ai-message .highlight {
    color: var(--color-accent);
    font-weight: 600;
}

.ai-suggestion {
    padding: 12px;
    margin-top: 8px;
    background: rgba(59, 130, 246, 0.1);
    border-left: 3px solid var(--color-secondary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
}

/* CLI Section */
.cli-section {
    padding: 80px 0 120px;
    background: var(--color-bg-dark);
}

.cli-section .section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
}

.cli-section .section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

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

.cli-window {
    max-width: 900px;
    margin: 0 auto;
    background: #0d0d0d;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    overflow: hidden;
}

.cli-content {
    padding: 20px 24px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
}

.cli-line {
    margin-bottom: 12px;
}

.cli-prompt {
    color: #10b981;
}

.cli-cursor {
    color: var(--color-text-muted);
    margin: 0 8px;
}

.cli-input {
    color: var(--color-text);
}

.cli-user {
    margin-top: 20px;
    padding: 12px 16px;
    background: rgba(107, 70, 193, 0.15);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-primary);
}

.cli-user .cli-role {
    color: var(--color-primary-light);
    font-weight: 600;
    margin-right: 12px;
}

.cli-user .cli-text {
    color: var(--color-text);
}

.cli-assistant {
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-secondary);
}

.cli-assistant .cli-role {
    color: var(--color-secondary);
    font-weight: 600;
    margin-right: 12px;
}

.cli-assistant .cli-text {
    color: var(--color-text-secondary);
}

.cli-assistant .cli-text code {
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--color-accent);
}

.cli-assistant .cli-text strong {
    color: var(--color-accent);
}

.cli-tool-call {
    margin: 16px 0 16px 24px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.cli-tool-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--color-border);
}

.cli-tool-icon {
    color: var(--color-accent);
}

.cli-tool-name {
    color: var(--color-text);
    font-weight: 500;
}

.cli-tool-status {
    margin-left: auto;
    font-size: 0.75rem;
    color: #10b981;
    background: rgba(16, 185, 129, 0.15);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.cli-tool-output {
    padding: 12px 14px;
}

.cli-output-line {
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.cli-output-line:last-child {
    margin-bottom: 0;
}

.cli-warning {
    color: var(--color-accent);
}

.cli-final {
    margin-top: 16px;
}

.cli-final .cli-text {
    color: var(--color-text);
}

/* Features Section */
.features-section {
    padding: 120px 0;
    background: var(--color-bg-darker);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px;
}

.section-header h2 {
    margin-bottom: 16px;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 32px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

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

.feature-highlight {
    grid-column: span 2;
    grid-row: span 2;
    background: linear-gradient(135deg, var(--color-bg-card), rgba(107, 70, 193, 0.1));
    border-color: rgba(107, 70, 193, 0.3);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-lg);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.feature-card h3 {
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.feature-list {
    margin-top: 24px;
}

.feature-list li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
}

/* Audience Section */
.audience-section {
    padding: 120px 0;
}

.audience-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
}

.tab {
    padding: 12px 24px;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

.tab:hover {
    color: var(--color-text);
    border-color: var(--color-border-strong);
}

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

.audience-panel {
    display: none;
}

.audience-panel.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.panel-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.panel-content h3 {
    margin-bottom: 16px;
    font-size: 1.75rem;
}

.panel-content > p {
    color: var(--color-text-secondary);
    font-size: 1.0625rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.panel-features {
    margin-bottom: 32px;
}

.panel-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: var(--color-text-secondary);
}

.panel-features svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.panel-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial {
    padding: 32px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.testimonial p {
    font-size: 1.0625rem;
    font-style: italic;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

/* Pricing Section */
.pricing-section {
    padding: 120px 0;
    background: var(--color-bg-darker);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    padding: 40px 32px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.pricing-card:hover {
    border-color: var(--color-primary);
}

.pricing-card.featured {
    background: linear-gradient(135deg, var(--color-bg-card), rgba(107, 70, 193, 0.15));
    border-color: var(--color-primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-bg-dark);
    background: var(--color-accent);
    border-radius: var(--radius-full);
}

.pricing-header h3 {
    margin-bottom: 8px;
}

.price {
    margin-bottom: 16px;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 700;
}

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

.pricing-description {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

.pricing-features {
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.pricing-features svg {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
    flex-shrink: 0;
}

/* CTA Section */
.cta-section {
    padding: 120px 0;
    text-align: center;
}

.cta-content h2 {
    margin-bottom: 16px;
}

.cta-content p {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    margin-bottom: 40px;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: var(--color-bg-darker);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-brand p {
    margin-top: 16px;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    max-width: 280px;
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 24px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.social-links svg {
    width: 18px;
    height: 18px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
    margin-bottom: 20px;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-highlight {
        grid-column: span 2;
        grid-row: span 1;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .pricing-card.featured {
        transform: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions .btn-ghost {
        display: none;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        gap: 32px;
    }

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

    .demo-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

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

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

    .audience-tabs {
        flex-wrap: wrap;
    }

    .audience-panel.active {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .tab {
        padding: 10px 16px;
        font-size: 0.875rem;
    }

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