/* ====================================
   KALI AI Agent - Main Styles
   ==================================== */

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

:root {
    /* Colors */
    --bg-primary: #04060F;
    --bg-secondary: #0B1220;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.08);
    --accent-primary: #4DA3FF;
    --accent-secondary: #7FD1FF;
    --glow-color: #4CC9F0;
    --text-primary: #FFFFFF;
    --text-secondary: #9CA3AF;
    
    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: 120px 0;
    --container-padding: 0 24px;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--glow-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glass Morphism */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 15px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(77, 163, 255, 0.3);
}

.btn-primary:hover {
    background: var(--accent-secondary);
    box-shadow: 0 6px 30px rgba(77, 163, 255, 0.5);
    transform: translateY(-2px);
}

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

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

.btn-large {
    padding: 16px 36px;
    font-size: 16px;
    border-radius: 14px;
}

.btn-small {
    padding: 8px 20px;
    font-size: 14px;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(4, 6, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.nav.scrolled {
    background: rgba(4, 6, 15, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo .logo-text {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--glow-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-size: 15px;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

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

.particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(76, 201, 240, 0.15), transparent 70%);
    filter: blur(80px);
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* hero-badge is defined later in HERO ENHANCEMENTS block */


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

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

/* hero-title, hero-subtitle, hero-cta are defined in HERO ENHANCEMENTS block */


.hero-metrics {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.metric-icon {
    font-size: 32px;
}

.metric-label {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.ai-core {
    display: none; /* Deprecated */
}

#three-canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    /* Optional: subtle glow behind the 3D scene */
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
}

#three-canvas-container canvas {
    width: 100% !important;
    height: 100% !important;
    outline: none;
    pointer-events: none; /* Let clicks pass through if needed, and removes any cursor issues */
}

.core-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    border: 2px solid rgba(77, 163, 255, 0.3);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

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

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Trust Bar */
.trust-bar {
    padding: 40px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    overflow: hidden;
}

.trust-scroll {
    display: flex;
    gap: 48px;
    animation: scroll 30s linear infinite;
}

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

.trust-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    white-space: nowrap;
    font-size: 14px;
    color: var(--text-secondary);
}

.trust-badge svg {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
}

/* Section Styles */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(77, 163, 255, 0.12);
    border: 1px solid rgba(77, 163, 255, 0.25);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent-primary);
    margin-bottom: 20px;
}

.section-title {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Second gradient variant */
.gradient-text-2 {
    background: linear-gradient(135deg, #a78bfa, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Problem Section */
.problem-visual {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.problem-item {
    padding: 40px 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.problem-icon {
    font-size: 48px;
}

.problem-label {
    font-size: 16px;
    color: var(--text-secondary);
}

/* Solution Section */
.solution-section {
    background: var(--bg-secondary);
}

.solution-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.solution-node {
    padding: 24px 48px;
    text-align: center;
    min-width: 200px;
}

.solution-node.small {
    padding: 16px 32px;
    min-width: 150px;
}

.node-label {
    font-size: 18px;
    font-weight: 600;
}

.solution-arrow {
    font-size: 32px;
    color: var(--accent-primary);
}

.solution-branches {
    display: flex;
    gap: 24px;
    justify-content: center;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: var(--transition-smooth);
}

.feature-icon {
    font-size: 48px;
}

.feature-title {
    font-size: 22px;
    font-weight: 600;
}

.feature-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Architecture Section */
.architecture-section {
    background: var(--bg-secondary);
}

.architecture-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.arch-layer {
    width: 100%;
}

.arch-node {
    padding: 24px;
    text-align: center;
    font-size: 18px;
    font-weight: 500;
}

.arch-connector {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-primary), var(--glow-color));
    margin: 0 auto;
}

/* How It Works Section */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-primary), var(--glow-color));
}

.timeline-item {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    position: relative;
}

.timeline-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 2px solid var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-primary);
    flex-shrink: 0;
    z-index: 1;
}

.timeline-content {
    flex: 1;
    padding: 32px;
}

.timeline-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.timeline-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Screenshots Section */
.screenshots-section {
    background: var(--bg-secondary);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.screenshot-card {
    padding: 0;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.screenshot-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: linear-gradient(135deg, rgba(77, 163, 255, 0.1), rgba(76, 201, 240, 0.05));
}

.screenshot-icon {
    font-size: 64px;
}

.screenshot-label {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Roadmap Section */
.roadmap-timeline {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
    position: relative;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-primary), var(--glow-color));
}

.roadmap-item {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    position: relative;
}

.roadmap-marker {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 3px solid var(--glass-border);
    flex-shrink: 0;
    z-index: 1;
    position: relative;
}

.roadmap-item.completed .roadmap-marker {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(77, 163, 255, 0.5);
}

.roadmap-item.current .roadmap-marker {
    border-color: var(--accent-primary);
    animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
    0%, 100% { box-shadow: 0 0 0 0 rgba(77, 163, 255, 0.7); }
    50% { box-shadow: 0 0 0 10px rgba(77, 163, 255, 0); }
}

.roadmap-content {
    flex: 1;
    padding: 24px 32px;
}

.roadmap-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    background: var(--glass-bg);
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.roadmap-badge.current {
    background: var(--accent-primary);
    color: white;
}

.roadmap-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
}

.roadmap-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Open Source Section */
.opensource-section {
    background: var(--bg-secondary);
}

.opensource-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    align-items: center;
}

.opensource-visual {
    display: flex;
    justify-content: center;
}

.github-card {
    padding: 60px 40px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    transition: var(--transition-smooth);
}

.github-card:hover {
    transform: scale(1.05);
}

.github-icon {
    color: var(--accent-primary);
}

.github-card h3 {
    font-size: 24px;
    margin-top: 8px;
}

.github-card p {
    color: var(--text-secondary);
    font-size: 15px;
}

.opensource-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.benefit-item {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.benefit-icon {
    font-size: 40px;
}

.benefit-title {
    font-size: 20px;
    font-weight: 600;
}

.benefit-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* FAQ Section */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    padding: 0;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-question {
    padding: 28px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    font-size: 20px;
    font-weight: 600;
}

.faq-toggle {
    font-size: 28px;
    color: var(--accent-primary);
    transition: var(--transition-fast);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 32px 28px;
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, rgba(77, 163, 255, 0.1), rgba(76, 201, 240, 0.05));
    text-align: center;
}

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

.cta-title {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.cta-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 48px;
}

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

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo .logo-text {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--glow-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-tagline {
    font-size: 15px;
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-heading {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.footer-link {
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
}

.footer-copyright {
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-social {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-title {
        font-size: 52px;
    }
    
    .section-title {
        font-size: 48px;
    }
    
    .cta-title {
        font-size: 52px;
    }
    
    .opensource-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 32px;
        border-bottom: 1px solid var(--glass-border);
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition-smooth);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .section-subtitle {
        font-size: 18px;
    }
    
    .problem-visual {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
    }
    
    .opensource-benefits {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .problem-visual {
        grid-template-columns: 1fr;
    }
    
    .solution-branches {
        flex-direction: column;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
    }
}

/* Utility Classes */
.hidden {
    display: none;
}

.visible {
    display: block;
}

/* Smooth Scrolling for Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Custom Trailing Cursor */
body {
    /* cursor: none; Removed to keep default cursor visible */
}

.custom-cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--primary);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease;
}

.custom-cursor-follower {
    position: fixed;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(77, 163, 255, 0.4);
    background-color: rgba(77, 163, 255, 0.05);
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease, width 0.2s, height 0.2s, background-color 0.2s;
}

.custom-cursor.hovering {
    transform: translate(-50%, -50%) scale(1.5);
}

.custom-cursor-follower.hovering {
    width: 60px;
    height: 60px;
    background-color: rgba(77, 163, 255, 0.1);
    border-color: rgba(77, 163, 255, 0.8);
}

/* Hover effects for buttons */
.btn {
    transition: all 0.3s ease, transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 20px -10px rgba(77,163,255,0.5);
}

/* ============================================
   HERO ENHANCEMENTS
   ============================================ */

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.nav-logo-icon {
    flex-shrink: 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(77,163,255,0.1);
    border: 1px solid rgba(77,163,255,0.25);
    border-radius: 24px;
    font-size: 14px;
    color: var(--text-secondary);
    width: fit-content;
}

.badge-snake {
    flex-shrink: 0;
}

.badge-pill {
    padding: 2px 8px;
    background: var(--accent-primary);
    color: white;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin: 0;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 520px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 8px;
}

.trust-check {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-secondary);
}

.trust-check svg {
    flex-shrink: 0;
}

/* ============================================
   FEATURES SECTION — PREMIUM
   ============================================ */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.feature-card {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(77, 163, 255, 0.25);
}

.feature-card:hover .feature-glow {
    opacity: 1;
}

.feature-icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--glow, rgba(77,163,255,0.15));
    border: 1px solid var(--glow, rgba(77,163,255,0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon-wrap {
    transform: scale(1.1);
}

.feature-title {
    font-size: 18px;
    font-weight: 600;
}

.feature-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-glow {
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(77,163,255,0.12), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

/* ============================================
   WHY KALI AI SECTION
   ============================================ */

.why-section {
    background: var(--bg-secondary);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.why-card {
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition-smooth);
    border-radius: 16px;
}

.why-card:hover {
    transform: translateY(-4px);
    border-color: rgba(77, 163, 255, 0.2);
    box-shadow: 0 8px 32px rgba(77, 163, 255, 0.1);
}

.why-icon {
    font-size: 32px;
    line-height: 1;
}

.why-card h3 {
    font-size: 16px;
    font-weight: 600;
}

.why-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   ARCHITECTURE FLOW
   ============================================ */

.architecture-section {
    background: var(--bg-secondary);
}

.arch-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    max-width: 500px;
    margin: 0 auto;
}

.arch-node-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.arch-node {
    width: 100%;
    padding: 20px 32px;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.arch-node:hover {
    transform: scale(1.02);
    border-color: rgba(77,163,255,0.3);
}

.arch-node--primary {
    border-color: rgba(77,163,255,0.4);
    background: rgba(77,163,255,0.08);
}

.arch-node--accent {
    border-color: rgba(139,92,246,0.4);
    background: rgba(139,92,246,0.08);
}

.arch-line {
    width: 2px;
    height: 36px;
    background: linear-gradient(to bottom, rgba(77,163,255,0.6), rgba(77,163,255,0.15));
    position: relative;
    overflow: hidden;
}

.arch-line--animated::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to bottom, transparent, var(--accent-primary), transparent);
    animation: flow-down 2s ease-in-out infinite;
}

@keyframes flow-down {
    0%   { top: -100%; }
    100% { top: 200%; }
}

/* ============================================
   ROADMAP UPGRADES
   ============================================ */

.roadmap-section {
    background: var(--bg-primary);
}

.roadmap-phase {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-primary);
    margin-bottom: 6px;
}

.roadmap-badge--done {
    background: rgba(16,185,129,0.15);
    color: #10b981;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 10px;
}

.roadmap-badge--current {
    background: var(--accent-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 10px;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(77,163,255,0.4); }
    50%       { box-shadow: 0 0 12px 4px rgba(77,163,255,0.2); }
}

/* ============================================
   COMMUNITY / OPEN SOURCE SECTION
   ============================================ */

.community-section {
    background: var(--bg-secondary);
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.community-card {
    padding: 28px 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition-smooth);
    text-decoration: none;
    color: inherit;
    position: relative;
}

.community-card:hover {
    transform: translateY(-4px);
    border-color: rgba(77,163,255,0.3);
    box-shadow: 0 8px 32px rgba(77,163,255,0.08);
}

.community-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(77,163,255,0.1);
    border: 1px solid rgba(77,163,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    margin-bottom: 4px;
}

.community-card h3 {
    font-size: 17px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.community-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.community-arrow {
    margin-top: auto;
    font-size: 18px;
    color: var(--accent-primary);
    opacity: 0;
    transform: translateX(-6px);
    transition: var(--transition-fast);
}

.community-card:hover .community-arrow {
    opacity: 1;
    transform: translateX(0);
}

.community-card--coming {
    opacity: 0.7;
    cursor: default;
}

.community-card--coming:hover {
    transform: none;
    box-shadow: none;
}

.coming-soon-pill {
    padding: 2px 8px;
    background: rgba(245,158,11,0.15);
    color: #f59e0b;
    border: 1px solid rgba(245,158,11,0.3);
    border-radius: 8px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

/* ============================================
   CTA SECTION UPGRADE
   ============================================ */

.cta-section {
    background: linear-gradient(135deg, rgba(77,163,255,0.06), rgba(139,92,246,0.04));
}

.cta-content {
    max-width: 720px;
    margin: 0 auto;
    padding: 60px 48px;
    text-align: center;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

.cta-content::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 50% 0%, rgba(77,163,255,0.1), transparent 60%);
    pointer-events: none;
}

.cta-snake {
    font-size: 48px;
    margin-bottom: 16px;
    line-height: 1;
    display: block;
    animation: float 4s ease-in-out infinite;
}

.cta-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.cta-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

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

/* ============================================
   FOOTER UPGRADE
   ============================================ */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-logo-wrap {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.footer-tagline {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 260px;
}

.footer-license {
    font-size: 13px;
    color: var(--text-secondary);
}

.footer-license-link {
    color: var(--accent-primary);
    text-decoration: none;
}

.footer-license-link:hover {
    text-decoration: underline;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-heading {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.footer-link {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--glass-border);
}

.footer-copyright {
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: rgba(77,163,255,0.12);
    border-color: rgba(77,163,255,0.4);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .footer-brand {
        grid-column: 1 / -1;
    }
    .hero-title {
        font-size: 48px;
    }
    .section-title {
        font-size: 40px;
    }
    .arch-flow {
        max-width: 100%;
        padding: 0 20px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
    .hero-cta {
        flex-direction: column;
    }
    .hero-trust-badges {
        gap: 10px;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .why-grid {
        grid-template-columns: 1fr;
    }
    .community-grid {
        grid-template-columns: 1fr;
    }
    .roadmap-timeline {
        padding-left: 0;
    }
    .cta-title {
        font-size: 32px;
    }
    .footer-content {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(4,6,15,0.98);
        backdrop-filter: blur(20px);
        border-top: 1px solid var(--glass-border);
        border-bottom: 1px solid var(--glass-border);
        flex-direction: column;
        gap: 0;
        padding: 16px 0;
        z-index: 999;
    }
    .nav-links.active {
        display: flex;
    }
    .nav-link {
        padding: 14px 24px;
    }
    .nav-toggle {
        display: flex;
    }
    .hero-container {
        grid-template-columns: 1fr;
    }
}

/* Utility */
.hidden { display: none; }
.visible { display: block; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}