/* ============================================
   MIOS Map - Spark Design System
   ============================================ */

/* CSS Variables */
:root {
    /* Primary Colors */
    --coral: #667EEA;
    --coral-hover: #5568D3;
    --coral-light: rgba(102, 126, 234, 0.15);
    
    /* Backgrounds */
    --bg-primary: #0a0c0f;
    --bg-surface: #151821;
    --bg-elevated: #1d2028;
    --bg-hover: #252831;
    
    /* Text */
    --text-primary: #E8E4E8;
    --text-secondary: #9B97A0;
    --text-tertiary: #6B6770;
    
    /* Semantic */
    --success: #4ECDC4;
    --warning: #FFB84D;
    --error: #FF6B6B;
    
    /* Language Colors */
    --lang-js: #F7DF1E;
    --lang-ts: #3178C6;
    --lang-python: #3572A5;
    --lang-rust: #DEA584;
    --lang-go: #00ADD8;
    --lang-ruby: #CC342D;
    --lang-java: #B07219;
    --lang-cpp: #F34B7D;
    --lang-css: #563D7C;
    --lang-html: #E34C26;
    
    /* Borders & Effects */
    --border-subtle: rgba(232, 228, 232, 0.08);
    --border-medium: rgba(232, 228, 232, 0.12);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    
    /* Typography */
    --font-display: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;
    --space-3xl: 48px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

a:hover {
    color: var(--coral-hover);
}

/* ============================================
   Loading Screen
   ============================================ */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

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

.loading-logo svg {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

.loading-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: var(--space-lg);
    color: var(--text-primary);
}

.loading-subtext {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--space-sm);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    margin: var(--space-xl) auto 0;
    border: 3px solid var(--bg-surface);
    border-top-color: var(--coral);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-primary:hover {
    background: var(--coral-hover);
    transform: translateY(-1px);
}

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

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

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1rem;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-text {
    background: none;
    border: none;
    color: var(--coral);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.btn-text:hover {
    color: var(--coral-hover);
}

/* ============================================
   Landing Section
   ============================================ */
.landing-section {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    background: var(--bg-primary);
}

.landing-section.hidden {
    display: none;
}

/* Navigation */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-3xl);
    background: rgba(26, 29, 33, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 100;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

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

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

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    min-height: 85vh;
    padding: 100px var(--space-3xl) 60px;
    align-items: center;
}

.hero-eyebrow {
    color: var(--coral);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: var(--space-2xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-lg);
}

.hero-explore {
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-subtle);
}

.explore-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
}

.explore-input-wrapper {
    display: flex;
    gap: var(--space-sm);
    max-width: 450px;
}

.explore-input {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.explore-input:focus {
    outline: none;
    border-color: var(--coral);
    box-shadow: 0 0 0 3px var(--coral-light);
}

.explore-input::placeholder {
    color: var(--text-tertiary);
}

/* Hero Pro Banner */
.hero-pro-banner {
    margin-top: var(--space-2xl);
    padding: var(--space-xl);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(168, 85, 247, 0.08) 100%);
    border: 1px solid rgba(102, 126, 234, 0.25);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.hero-pro-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667EEA 0%, #A855F7 100%);
}

.pro-banner-content {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.pro-banner-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #667EEA 0%, #A855F7 100%);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.pro-banner-badge svg {
    width: 16px;
    height: 16px;
}

.pro-banner-text {
    flex: 1;
}

.pro-banner-text h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
    background: linear-gradient(135deg, #667EEA 0%, #A855F7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pro-banner-text p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

.btn-pro-cta {
    padding: var(--space-md) var(--space-xl);
    background: linear-gradient(135deg, #667EEA 0%, #A855F7 100%);
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-pro-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

.hero-visual {
    position: relative;
    height: 600px;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

/* Features Section */
.features-section {
    padding: 60px var(--space-3xl);
    background: var(--bg-surface);
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: var(--space-2xl);
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--coral-light);
    color: var(--coral);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ============================================
   Enhanced Landing Page Styles
   ============================================ */

/* Animated Background */
.landing-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.bg-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(232, 90, 79, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(78, 205, 196, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 20% 80%, rgba(232, 90, 79, 0.08) 0%, transparent 50%);
}

.bg-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
}

.floating-orbs {
    position: absolute;
    inset: 0;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(232, 90, 79, 0.3) 0%, transparent 70%);
    top: -10%;
    left: 60%;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(78, 205, 196, 0.25) 0%, transparent 70%);
    bottom: 20%;
    left: -5%;
    animation-delay: -5s;
    animation-duration: 25s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(232, 90, 79, 0.2) 0%, transparent 70%);
    top: 50%;
    right: -5%;
    animation-delay: -10s;
    animation-duration: 22s;
}

.orb-4 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(78, 205, 196, 0.15) 0%, transparent 70%);
    bottom: -10%;
    right: 30%;
    animation-delay: -15s;
    animation-duration: 28s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -20px) scale(1.05); }
    50% { transform: translate(-20px, 30px) scale(0.95); }
    75% { transform: translate(20px, 20px) scale(1.02); }
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--coral) 0%, #FF8A80 50%, var(--teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hero Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-lg);
    background: rgba(232, 90, 79, 0.1);
    border: 1px solid rgba(232, 90, 79, 0.3);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--coral);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xl);
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

/* Enhanced Hero Title */
.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
}

.title-line {
    display: block;
}

.title-line.gradient-text {
    font-size: 4rem;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    padding: var(--space-lg) 0;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-display);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

/* Glowing Button */
.btn-glow {
    position: relative;
    box-shadow: 0 0 20px rgba(232, 90, 79, 0.4);
}

.btn-glow::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--coral), var(--teal));
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.btn-glow:hover::before {
    opacity: 0.5;
}

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

/* Hero Visual Glow */
.hero-visual-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(232, 90, 79, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

/* Stats Section */
.stats-section {
    padding: var(--space-3xl);
    position: relative;
    z-index: 1;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.stats-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: rgba(38, 42, 48, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.stats-card:hover {
    border-color: var(--border-active);
    transform: translateY(-2px);
}

.stats-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.stats-icon-perf {
    background: linear-gradient(135deg, rgba(232, 90, 79, 0.2) 0%, rgba(232, 90, 79, 0.05) 100%);
    color: var(--coral);
}

.stats-icon-ai {
    background: linear-gradient(135deg, rgba(16, 163, 127, 0.2) 0%, rgba(16, 163, 127, 0.05) 100%);
    color: #10A37F;
}

.stats-icon-flow {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.2) 0%, rgba(78, 205, 196, 0.05) 100%);
    color: var(--teal);
}

.stats-content h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.stats-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================
   Feature Showcase with Visuals
   ============================================ */
.feature-showcase {
    max-width: 1200px;
    margin: 0 auto var(--space-3xl);
}

.showcase-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    margin-bottom: var(--space-3xl);
    padding: var(--space-2xl);
    background: rgba(38, 42, 48, 0.4);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
}

.showcase-item-reverse {
    direction: rtl;
}

.showcase-item-reverse > * {
    direction: ltr;
}

.showcase-visual {
    position: relative;
    height: 280px;
    background: rgba(26, 29, 33, 0.8);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.showcase-content {
    padding: var(--space-lg);
}

.showcase-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(232, 90, 79, 0.15);
    color: var(--coral);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.showcase-badge-teal {
    background: rgba(78, 205, 196, 0.15);
    color: var(--teal);
}

.showcase-badge-green {
    background: rgba(16, 163, 127, 0.15);
    color: #10A37F;
}

.showcase-badge-purple {
    background: rgba(147, 51, 234, 0.15);
    color: #A855F7;
}

.showcase-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.showcase-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

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

.showcase-list li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.showcase-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--coral);
    border-radius: 50%;
}

/* Galaxy Visual */
.visual-galaxy {
    position: relative;
    width: 100%;
    height: 100%;
}

.galaxy-node {
    position: absolute;
    border-radius: 50%;
    animation: galaxyFloat 4s ease-in-out infinite;
}

.node-1 {
    width: 24px; height: 24px;
    background: radial-gradient(circle, #E85A4F 30%, transparent 70%);
    box-shadow: 0 0 20px rgba(232, 90, 79, 0.6);
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 0s;
}

.node-2 {
    width: 14px; height: 14px;
    background: radial-gradient(circle, #4ECDC4 30%, transparent 70%);
    box-shadow: 0 0 15px rgba(78, 205, 196, 0.6);
    left: 25%; top: 25%;
    animation-delay: -1s;
}

.node-3 {
    width: 16px; height: 16px;
    background: radial-gradient(circle, #F7DC6F 30%, transparent 70%);
    box-shadow: 0 0 15px rgba(247, 220, 111, 0.6);
    left: 72%; top: 28%;
    animation-delay: -2s;
}

.node-4 {
    width: 12px; height: 12px;
    background: radial-gradient(circle, #3498DB 30%, transparent 70%);
    box-shadow: 0 0 12px rgba(52, 152, 219, 0.6);
    left: 18%; top: 68%;
    animation-delay: -0.5s;
}

.node-5 {
    width: 18px; height: 18px;
    background: radial-gradient(circle, #9B59B6 30%, transparent 70%);
    box-shadow: 0 0 15px rgba(155, 89, 182, 0.6);
    left: 78%; top: 72%;
    animation-delay: -1.5s;
}

.node-6 {
    width: 10px; height: 10px;
    background: radial-gradient(circle, #E67E22 30%, transparent 70%);
    box-shadow: 0 0 10px rgba(230, 126, 34, 0.6);
    left: 32%; top: 82%;
    animation-delay: -2.5s;
}

.node-7 {
    width: 12px; height: 12px;
    background: radial-gradient(circle, #1ABC9C 30%, transparent 70%);
    box-shadow: 0 0 12px rgba(26, 188, 156, 0.6);
    left: 60%; top: 15%;
    animation-delay: -3s;
}

@keyframes galaxyFloat {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.2); }
}

.galaxy-connections {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.connection-line {
    stroke: rgba(78, 205, 196, 0.3);
    stroke-width: 1;
    animation: linePulse 3s ease-in-out infinite;
}

@keyframes linePulse {
    0%, 100% { stroke-opacity: 0.3; }
    50% { stroke-opacity: 0.6; }
}

/* Deep Dive Visual */
.visual-deepdive {
    position: relative;
    width: 260px;
    padding: var(--space-lg);
}

.tree-root {
    margin-bottom: var(--space-md);
}

.tree-label {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--coral);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.tree-branch {
    margin-left: var(--space-xl);
    margin-bottom: var(--space-sm);
    padding-left: var(--space-md);
    border-left: 2px solid rgba(78, 205, 196, 0.3);
    animation: branchFade 2s ease-in-out infinite;
}

.branch-1 { animation-delay: 0s; }
.branch-2 { animation-delay: 0.3s; }
.branch-3 { animation-delay: 0.6s; }

@keyframes branchFade {
    0%, 100% { border-color: rgba(78, 205, 196, 0.3); }
    50% { border-color: rgba(78, 205, 196, 0.7); }
}

.tree-node {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    margin-bottom: 4px;
}

.tree-node.folder {
    background: rgba(78, 205, 196, 0.2);
    color: var(--teal);
    font-weight: 500;
}

.tree-node.file {
    background: rgba(232, 90, 79, 0.15);
    color: var(--coral);
    margin-left: var(--space-md);
}

.tree-children {
    margin-left: var(--space-sm);
}

.import-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.import-line {
    stroke: var(--coral);
    stroke-width: 1.5;
    stroke-dasharray: 4 4;
    animation: dashMove 1s linear infinite;
}

@keyframes dashMove {
    to { stroke-dashoffset: -8; }
}

/* AI Detection Visual */
.visual-ai {
    position: relative;
    width: 260px;
}

.ai-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

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

.model-diamond {
    width: 40px;
    height: 40px;
    transform: rotate(45deg);
    border-radius: 6px;
    animation: diamondPulse 2s ease-in-out infinite;
}

.model-gpt .model-diamond {
    background: linear-gradient(135deg, #10A37F 0%, #1DB954 100%);
    box-shadow: 0 0 20px rgba(16, 163, 127, 0.5);
    animation-delay: 0s;
}

.model-claude .model-diamond {
    background: linear-gradient(135deg, #E85A4F 0%, #FF8A80 100%);
    box-shadow: 0 0 20px rgba(232, 90, 79, 0.5);
    animation-delay: 0.5s;
}

.model-gemini .model-diamond {
    background: linear-gradient(135deg, #4285F4 0%, #34A853 100%);
    box-shadow: 0 0 20px rgba(66, 133, 244, 0.5);
    animation-delay: 1s;
}

.model-llama .model-diamond {
    background: linear-gradient(135deg, #0668E1 0%, #00C6FF 100%);
    box-shadow: 0 0 20px rgba(6, 104, 225, 0.5);
    animation-delay: 1.5s;
}

@keyframes diamondPulse {
    0%, 100% { transform: rotate(45deg) scale(1); }
    50% { transform: rotate(45deg) scale(1.1); }
}

.ai-model span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.ai-connections {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    transform: translate(-50%, -50%);
}

.ai-pulse {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--teal);
    border-radius: 50%;
    animation: aiPulseMove 2s ease-in-out infinite;
}

.pulse-1 { animation-delay: 0s; }
.pulse-2 { animation-delay: 0.7s; }
.pulse-3 { animation-delay: 1.4s; }

@keyframes aiPulseMove {
    0% { transform: translate(0, 0); opacity: 1; }
    50% { transform: translate(20px, -20px); opacity: 0.5; }
    100% { transform: translate(0, 0); opacity: 1; }
}

/* Categories Visual */
.visual-categories {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.category-row {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
}

.category-node {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    animation: categoryPop 3s ease-in-out infinite;
}

.cat-platform { background: rgba(232, 90, 79, 0.2); color: #E85A4F; animation-delay: 0s; }
.cat-engine { background: rgba(78, 205, 196, 0.2); color: #4ECDC4; animation-delay: 0.2s; }
.cat-revenue { background: rgba(16, 163, 127, 0.2); color: #10A37F; animation-delay: 0.4s; }
.cat-api { background: rgba(247, 220, 111, 0.2); color: #F7DC6F; animation-delay: 0.6s; }
.cat-model { background: rgba(155, 89, 182, 0.2); color: #9B59B6; animation-delay: 0.8s; }
.cat-language { background: rgba(52, 152, 219, 0.2); color: #3498DB; animation-delay: 1s; }
.cat-framework { background: rgba(230, 126, 34, 0.2); color: #E67E22; animation-delay: 1.2s; }
.cat-database { background: rgba(241, 196, 15, 0.2); color: #F1C40F; animation-delay: 1.4s; }

@keyframes categoryPop {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Mini Feature Cards */
.features-grid-small {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card-mini {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: rgba(38, 42, 48, 0.4);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.feature-card-mini:hover {
    border-color: var(--border-active);
    transform: translateY(-2px);
}

.feature-icon-mini {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(232, 90, 79, 0.15);
    color: var(--coral);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.feature-card-mini h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.feature-card-mini p {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Responsive for Showcase */
@media (max-width: 900px) {
    .showcase-item {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .showcase-item-reverse {
        direction: ltr;
    }
    
    .showcase-visual {
        height: 220px;
    }
    
    .features-grid-small {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .features-grid-small {
        grid-template-columns: 1fr;
    }
}

/* Section Subtitle */
.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    max-width: 600px;
    margin: -var(--space-2xl) auto var(--space-3xl);
    font-size: 1rem;
    line-height: 1.6;
}

/* Enhanced Feature Cards */
.feature-card-highlight {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(232, 90, 79, 0.1) 0%, rgba(38, 42, 48, 0.8) 100%);
    border-color: rgba(232, 90, 79, 0.3);
}

.feature-card-highlight:hover {
    border-color: var(--coral);
}

.feature-icon-primary {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--coral) 0%, #FF8A80 100%);
    color: white;
}

.feature-tags {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    flex-wrap: wrap;
}

.tag {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Demo Section */
.demo-section {
    padding: var(--space-3xl);
    text-align: center;
    position: relative;
    z-index: 1;
}

.demo-content {
    max-width: 600px;
    margin: 0 auto;
}

.demo-actions {
    margin-top: var(--space-2xl);
}

/* Footer */
.landing-footer {
    padding: var(--space-2xl) var(--space-3xl);
    border-top: 1px solid var(--border-subtle);
    position: relative;
    z-index: 1;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    color: var(--text-primary);
}

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

/* Responsive */
@media (max-width: 1024px) {
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .feature-card-highlight {
        grid-column: span 1;
    }
    
    .hero-stats {
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .title-line.gradient-text {
        font-size: 3rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
}

/* ============================================
   App Section
   ============================================ */
.app-section {
    position: fixed;
    inset: 0;
    overflow: hidden;
}

.app-section.hidden {
    display: none;
}

#visualization-container {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top, #0f1419 0%, #050508 100%);
}

#main-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* ============================================
   Control Panel
   ============================================ */
.control-panel {
    position: fixed;
    top: var(--space-xl);
    left: var(--space-xl);
    width: 280px;
    background: rgba(26, 29, 33, 0.85);
    backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: all var(--transition-slow);
}

.control-panel.collapsed {
    width: auto;
}

.control-panel.collapsed .controls-content {
    display: none;
}

.controls-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
}

.controls-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.875rem;
}

.controls-content {
    padding: var(--space-lg);
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.control-group {
    margin-bottom: var(--space-lg);
}

.control-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-sm);
}

/* Search Input */
.explore-control-wrapper {
    display: flex;
    gap: var(--space-xs);
}

.explore-control-wrapper .control-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.8125rem;
    transition: all var(--transition-fast);
}

.explore-control-wrapper .control-input:focus {
    outline: none;
    border-color: var(--coral);
    box-shadow: 0 0 0 2px var(--coral-light);
}

.explore-control-wrapper .control-input::placeholder {
    color: var(--text-tertiary);
}

.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.75rem;
}

.search-input-wrapper {
    position: relative;
}

.search-input-wrapper svg {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md) var(--space-sm) 40px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.8125rem;
    transition: all var(--transition-fast);
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.search-input:focus {
    outline: none;
    border-color: var(--coral);
    box-shadow: 0 0 0 3px var(--coral-light);
}

/* Button Groups */
.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.filter-btn {
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.filter-btn.active {
    background: var(--coral-light);
    border-color: var(--coral);
    color: var(--coral);
}

.tech-filters {
    max-height: 80px;
    overflow-y: auto;
}

/* Action Buttons */
.actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.action-btn {
    flex: 1;
    min-width: calc(50% - 4px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.6875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

/* Metric Filters */
.metric-filters {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.metric-filter-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    min-width: 80px;
}

.metric-input,
.metric-select {
    flex: 1;
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.75rem;
    transition: all var(--transition-fast);
}

.metric-input:focus,
.metric-select:focus {
    outline: none;
    border-color: var(--coral);
    box-shadow: 0 0 0 2px var(--coral-light);
}

.metric-input::placeholder {
    color: var(--text-tertiary);
}

.metric-select option {
    background: var(--bg-surface);
    color: var(--text-primary);
}

/* Breadcrumb */
.breadcrumb {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.breadcrumb.hidden {
    display: none;
}

.breadcrumb-link {
    color: var(--coral);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
    color: var(--coral-hover);
    text-decoration: underline;
}

.breadcrumb-separator {
    margin: 0 var(--space-sm);
    color: var(--text-tertiary);
}

/* Legend */
.legend-section {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
    margin-top: var(--space-lg);
}

.legend-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.6875rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* User Section */
.user-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
    margin-top: var(--space-lg);
}

.user-section.hidden {
    display: none;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.user-name {
    font-size: 0.8125rem;
    font-weight: 600;
    display: block;
}

.user-repos {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
}

/* ============================================
   Info Panel
   ============================================ */
.info-panel {
    position: fixed;
    top: var(--space-xl);
    right: var(--space-xl);
    width: 360px;
    background: rgba(26, 29, 33, 0.95);
    backdrop-filter: blur(40px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    overflow: hidden;
    transition: all var(--transition-slow);
}

.info-panel.hidden {
    display: block !important;
    opacity: 0;
    visibility: hidden;
    transform: translateX(20px);
    pointer-events: none;
}

.info-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.info-close:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.info-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-xl);
    padding-right: 48px;
    border-bottom: 1px solid var(--border-subtle);
}

.info-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.info-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

.info-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.info-body {
    padding: var(--space-xl);
}

.info-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.info-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.stat-item {
    padding: var(--space-md);
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    text-align: center;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.625rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.tech-tag {
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Connections Section in Info Panel */
.info-connections {
    padding-top: var(--space-md);
    margin-top: var(--space-md);
    border-top: 1px solid var(--border-subtle);
}

.info-connections.hidden {
    display: none;
}

.connections-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.connections-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.connections-note {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    font-style: italic;
}

.connections-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.connection-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
}

.connection-name {
    color: var(--text-primary);
    font-weight: 500;
}

.connection-shared {
    color: var(--coral);
    font-size: 0.625rem;
    max-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.connection-more {
    font-size: 0.625rem;
    color: var(--text-tertiary);
    text-align: center;
    padding: var(--space-xs);
}

/* MIOS Pro Teaser */
.pro-teaser {
    margin-bottom: var(--space-lg);
    padding: var(--space-lg);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.pro-teaser.hidden {
    display: none;
}

.pro-teaser::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #667EEA 0%, #A855F7 100%);
}

.pro-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: linear-gradient(135deg, #667EEA 0%, #A855F7 100%);
    border-radius: var(--radius-full);
    font-size: 0.625rem;
    font-weight: 700;
    color: white;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.pro-badge svg {
    width: 12px;
    height: 12px;
}

.pro-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, #667EEA 0%, #A855F7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pro-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.pro-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.pro-feature svg {
    flex-shrink: 0;
    color: #4ECDC4;
}

.btn-pro {
    width: 100%;
    background: linear-gradient(135deg, #667EEA 0%, #A855F7 100%);
    color: white;
    font-weight: 600;
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.btn-pro:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

.btn-pro svg {
    width: 16px;
    height: 16px;
}

.btn-locked {
    opacity: 0.5;
    cursor: not-allowed;
    position: relative;
}

.btn-locked:hover {
    transform: none !important;
}

.info-actions {
    display: flex;
    gap: var(--space-sm);
}

.info-actions .btn {
    flex: 1;
    font-size: 0.8125rem;
}

/* ============================================
   Tooltip
   ============================================ */
.tooltip {
    position: fixed;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-primary);
    pointer-events: none;
    z-index: 2000;
    box-shadow: var(--shadow-md);
    transition: opacity var(--transition-fast);
}

.tooltip.hidden {
    opacity: 0;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 100px;
    }
    
    .hero-subtitle {
        margin: 0 auto var(--space-2xl);
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .landing-nav {
        padding: var(--space-md) var(--space-lg);
    }
    
    .nav-links a {
        display: none;
    }
    
    .hero {
        padding: 80px var(--space-lg) var(--space-2xl);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .features-section {
        padding: var(--space-2xl) var(--space-lg);
    }
    
    .control-panel {
        top: auto;
        bottom: var(--space-lg);
        left: var(--space-lg);
        right: var(--space-lg);
        width: auto;
        max-height: 50vh;
    }
    
    .info-panel {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-height: 60vh;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }
    
    .info-panel.hidden {
        display: block !important;
        transform: translateY(100%);
        pointer-events: none;
    }
}

/* ============================================
   Utilities
   ============================================ */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ============================================
   Modal Styles
   ============================================ */

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    border-radius: 16px;
    padding: 32px;
    max-width: 520px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.modal.hidden .modal-content {
    transform: translateY(20px);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.modal-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0 0 24px 0;
}

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

.upload-option {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 20px;
    transition: border-color 0.2s ease;
}

.upload-option:hover {
    border-color: var(--border-medium);
}

.option-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-weight: 500;
}

.option-header svg {
    color: var(--coral);
}

.option-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--text-tertiary);
    font-size: 13px;
}

.option-divider::before,
.option-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

.modal-input {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 12px 14px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-body);
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

.modal-input:focus {
    outline: none;
    border-color: var(--coral);
}

.modal-input::placeholder {
    color: var(--text-tertiary);
}

.modal-input + .modal-input {
    margin-top: 12px;
}

textarea.modal-input {
    resize: vertical;
    min-height: 60px;
}

.file-drop-zone {
    border: 2px dashed var(--border-medium);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.file-drop-zone:hover,
.file-drop-zone.dragover {
    border-color: var(--coral);
    background: var(--coral-light);
}

.file-drop-zone svg {
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.file-drop-zone p {
    margin: 0 0 4px 0;
    color: var(--text-primary);
}

.file-drop-zone span {
    font-size: 13px;
}

.link-btn {
    background: none;
    border: none;
    color: var(--coral);
    cursor: pointer;
    font-size: inherit;
    padding: 0;
    text-decoration: underline;
}

.link-btn:hover {
    color: var(--coral-hover);
}

/* Primary button variant for Add Project */
.action-btn.primary {
    background: var(--coral);
    color: white;
    border-color: var(--coral);
}

.action-btn.primary:hover {
    background: var(--coral-hover);
    border-color: var(--coral-hover);
}

/* ============================================
   Onboarding Overlay
   ============================================ */
.onboarding-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    animation: fadeIn 0.3s ease;
}

.onboarding-overlay.hidden {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.onboarding-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    max-width: 420px;
    width: 90%;
    text-align: center;
    position: relative;
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

.onboarding-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.onboarding-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.onboarding-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.onboarding-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-xl);
}

.onboarding-hints {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    text-align: left;
}

.hint-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.hint-item:hover {
    background: var(--bg-hover);
}

.hint-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--coral-light);
    color: var(--coral);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

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

.hint-text strong {
    color: var(--text-primary);
}

.dont-show-again {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    font-size: 0.75rem;
    color: var(--text-tertiary);
    cursor: pointer;
}

.dont-show-again input[type="checkbox"] {
    width: 14px;
    height: 14px;
    accent-color: var(--coral);
}

/* ============================================
   Help Button
   ============================================ */
.help-button {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(26, 29, 33, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    z-index: 1000;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.help-button:hover {
    background: var(--coral);
    color: white;
    border-color: var(--coral);
    transform: scale(1.05);
}

/* ============================================
   Stats Bar
   ============================================ */
.stats-bar {
    position: fixed;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: rgba(26, 29, 33, 0.85);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    z-index: 900;
}

.stat-chip {
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-surface);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.stat-chip span {
    font-weight: 600;
    color: var(--text-primary);
}

.view-indicator {
    background: var(--coral-light);
    color: var(--coral);
    font-weight: 500;
}

/* ============================================
   Notification Container
   ============================================ */
.notification-container {
    position: fixed;
    top: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    z-index: 4000;
    pointer-events: none;
}

.notification {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    animation: notificationSlide 0.3s ease;
    pointer-events: auto;
}

@keyframes notificationSlide {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.notification.success {
    border-left: 3px solid var(--success);
}

.notification.warning {
    border-left: 3px solid var(--warning);
}

.notification.error {
    border-left: 3px solid var(--error);
}

.notification.info {
    border-left: 3px solid var(--coral);
}

.notification-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.notification.success .notification-icon {
    color: var(--success);
}

.notification.warning .notification-icon {
    color: var(--warning);
}

.notification.error .notification-icon {
    color: var(--error);
}

.notification.info .notification-icon {
    color: var(--coral);
}

.notification.hiding {
    animation: notificationFade 0.3s ease forwards;
}

@keyframes notificationFade {
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

/* ============================================
   Back Button (improved)
   ============================================ */
#back-to-ecosystem {
    position: fixed;
    top: var(--space-xl);
    left: 320px;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(232, 90, 79, 0.9);
    backdrop-filter: blur(20px);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    z-index: 1001;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

#back-to-ecosystem:hover {
    background: var(--coral);
    transform: translateX(-2px);
}

#back-to-ecosystem svg {
    transition: transform var(--transition-fast);
}

#back-to-ecosystem:hover svg {
    transform: translateX(-3px);
}

/* ============================================
   File Structure Legend
   ============================================ */
.structure-legend {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(26, 29, 33, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    z-index: 900;
}

.structure-legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.6875rem;
    color: var(--text-secondary);
}

.structure-legend-color {
    width: 10px;
    height: 10px;
    border-radius: 3px;
}

/* ============================================
   Improved Fallback Mode Styles
   ============================================ */
.fallback-node {
    position: relative;
    padding: var(--space-lg);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.fallback-node:hover {
    border-color: var(--coral);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(232, 90, 79, 0.15);
}

.fallback-node.selected {
    border-color: var(--coral);
    background: var(--coral-light);
    box-shadow: 0 0 0 3px rgba(232, 90, 79, 0.2);
}

.fallback-node::before {
    content: '';
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--coral);
}

.fallback-node.lang-typescript::before { background: #3178C6; }
.fallback-node.lang-python::before { background: #3572A5; }
.fallback-node.lang-javascript::before { background: #F7DF1E; }
.fallback-node.lang-html::before { background: #E34C26; }
.fallback-node.lang-css::before { background: #563D7C; }
.fallback-node.lang-rust::before { background: #DEA584; }
.fallback-node.lang-go::before { background: #00ADD8; }
.fallback-node.lang-swift::before { background: #F05138; }

.fallback-node-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    padding-left: var(--space-lg);
}

.fallback-node-desc {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.fallback-node-meta {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-sm);
    font-size: 0.6875rem;
    color: var(--text-tertiary);
}

/* File node in structure view */
.file-node {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-node:hover {
    background: var(--bg-elevated);
    border-color: var(--border-medium);
}

.file-node-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.file-node.directory .file-node-icon {
    color: #FFB84D;
}

.file-node.file .file-node-icon {
    color: var(--text-secondary);
}

/* ============================================
   Responsive adjustments for new elements
   ============================================ */
@media (max-width: 768px) {
    .stats-bar {
        bottom: 70px;
        flex-wrap: wrap;
        justify-content: center;
        max-width: 90%;
    }
    
    .help-button {
        bottom: auto;
        top: var(--space-xl);
        right: var(--space-lg);
        width: 40px;
        height: 40px;
    }
    
    #back-to-ecosystem {
        left: var(--space-lg);
        top: 70px;
    }
    
    .onboarding-content {
        padding: var(--space-xl);
    }
    
    .structure-legend {
        bottom: 130px;
        flex-wrap: wrap;
        max-width: 90%;
        justify-content: center;
    }
}

/* ============================================
   Feature Showcase Sections
   ============================================ */

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: var(--space-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.feature-showcase {
    padding: 30px var(--space-3xl);
    max-width: 1400px;
    margin: 0 auto;
}

.feature-showcase:first-of-type {
    padding-top: 80px;
}

.showcase-content {
    display: flex;
    gap: 0;
    align-items: stretch;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    overflow: hidden;
    min-height: 500px;
}

.showcase-text {
    flex: 1;
    padding: var(--space-3xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.feature-badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--coral-light);
    color: var(--coral);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
}

.feature-badge.drill-badge {
    background: rgba(79, 70, 229, 0.15);
    color: #818CF8;
}

.feature-badge.ai-badge {
    background: rgba(16, 185, 129, 0.15);
    color: #10B981;
}

.feature-badge.org-badge {
    background: rgba(168, 85, 247, 0.15);
    color: #A855F7;
}

.showcase-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.showcase-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1rem;
    color: var(--text-primary);
}

.showcase-visual {
    flex: 1;
    min-height: 500px;
    background: var(--bg-elevated);
    border: none;
    border-radius: 0;
    position: relative;
    overflow: hidden;
}

.feature-showcase:not(.reverse) .showcase-visual {
    order: 2;
}

.feature-showcase:not(.reverse) .showcase-text {
    order: 1;
}

.feature-showcase.reverse .showcase-visual {
    order: 1;
}

.feature-showcase.reverse .showcase-text {
    order: 2;
}

/* 3D Ecosystem Visual Container */
#ecosystem-canvas-container {
    background: linear-gradient(135deg, #1A1D21 0%, #242830 100%);
}

/* Tree Visual Styles */
.tree-visual {
    padding: var(--space-3xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tree-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.tree-branch {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding-left: var(--space-2xl);
    border-left: 2px solid var(--border-subtle);
}

.tree-children {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding-left: var(--space-xl);
}

.tree-node {
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    width: fit-content;
    transition: all var(--transition-fast);
}

.tree-node:hover {
    border-color: var(--coral);
    transform: translateX(4px);
}

.tree-node.root {
    background: rgba(102, 126, 234, 0.1);
    border-color: var(--coral);
}

.tree-node.folder .node-label {
    color: #14B8A6;
    font-weight: 600;
}

.tree-node.file.tsx .node-label,
.tree-node.file.ts .node-label {
    color: #3178C6;
}

.node-label {
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    color: var(--text-primary);
}

/* LLM Visual Styles */
.llm-visual {
    padding: var(--space-3xl);
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, rgba(102, 126, 234, 0.05) 0%, transparent 70%);
}

.llm-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3xl);
}

.llm-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.llm-diamond {
    width: 80px;
    height: 80px;
    transform: rotate(45deg);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all var(--transition-normal);
}

.llm-node:hover .llm-diamond {
    transform: rotate(45deg) scale(1.1);
}

.llm-node.gpt .llm-diamond {
    background: linear-gradient(135deg, #10A37F 0%, #195E46 100%);
    box-shadow: 0 0 30px rgba(16, 163, 127, 0.3);
}

.llm-node.claude .llm-diamond {
    background: linear-gradient(135deg, #D4A574 0%, #A67C52 100%);
    box-shadow: 0 0 30px rgba(212, 165, 116, 0.3);
}

.llm-node.gemini .llm-diamond {
    background: linear-gradient(135deg, #4285F4 0%, #0F9D58 100%);
    box-shadow: 0 0 30px rgba(66, 133, 244, 0.3);
}

.llm-node.llama .llm-diamond {
    background: linear-gradient(135deg, #5B8DEE 0%, #0063E5 100%);
    box-shadow: 0 0 30px rgba(91, 141, 238, 0.3);
}

.llm-label {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

/* Category Visual Styles */
.category-visual {
    padding: var(--space-3xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 400px;
}

.category-badge {
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.875rem;
    text-align: center;
    letter-spacing: 0.05em;
    border: 2px solid;
    transition: all var(--transition-fast);
}

.category-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.category-badge.platform-badge {
    background: rgba(102, 126, 234, 0.1);
    border-color: #667EEA;
    color: #667EEA;
}

.category-badge.engine-badge {
    background: rgba(168, 85, 247, 0.1);
    border-color: #A855F7;
    color: #A855F7;
}

.category-badge.revenue-badge {
    background: rgba(245, 158, 11, 0.1);
    border-color: #F59E0B;
    color: #F59E0B;
}

.category-badge.api-badge {
    background: rgba(249, 115, 22, 0.1);
    border-color: #F97316;
    color: #F97316;
}

.category-badge.model-badge {
    background: rgba(16, 185, 129, 0.1);
    border-color: #10B981;
    color: #10B981;
}

.category-badge.language-badge {
    background: rgba(132, 204, 22, 0.1);
    border-color: #84CC16;
    color: #84CC16;
}

.category-badge.framework-badge {
    background: rgba(236, 72, 153, 0.1);
    border-color: #EC4899;
    color: #EC4899;
}

.category-badge.database-badge {
    background: rgba(20, 184, 166, 0.1);
    border-color: #14B8A6;
    color: #14B8A6;
}

/* Additional Features Section */
.additional-features {
    padding: 40px var(--space-3xl) 80px;
    max-width: 1400px;
    margin: 0 auto;
}

.mini-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2xl);
}

.mini-feature {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.mini-feature:hover {
    border-color: var(--coral);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.mini-feature svg {
    margin-bottom: var(--space-lg);
}

.mini-feature h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.mini-feature p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Responsive Design for New Sections */
@media (max-width: 1024px) {
    .feature-showcase {
        padding: 50px var(--space-xl);
    }
    
    .showcase-content {
        flex-direction: column;
        gap: var(--space-3xl);
    }
    
    .feature-showcase.reverse .showcase-content {
        flex-direction: column;
    }
    
    .showcase-visual {
        min-height: 300px;
        width: 100%;
    }
    
    .llm-grid,
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .feature-showcase {
        padding: 40px var(--space-lg);
    }
    
    .showcase-title {
        font-size: 2rem;
    }
    
    .showcase-description {
        font-size: 1rem;
    }
    
    .mini-features-grid {
        grid-template-columns: 1fr;
    }
    
    .tree-visual {
        padding: var(--space-xl);
    }
    
    .llm-diamond {
        width: 60px;
        height: 60px;
    }
}

/* ============================================
   Pro Section
   ============================================ */
.pro-section {
    padding: var(--space-3xl) var(--space-xl);
    background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(102, 126, 234, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.pro-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1400px;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, #667EEA 50%, transparent 100%);
}

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

.pro-section-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #667EEA 0%, #A855F7 100%);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    color: white;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xl);
}

.pro-section-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, #667EEA 0%, #A855F7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pro-section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.pro-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    max-width: 1200px;
    margin: 0 auto var(--space-3xl);
}

.pro-feature-card {
    padding: var(--space-2xl);
    background: rgba(26, 29, 33, 0.6);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.pro-feature-card:hover {
    border-color: rgba(102, 126, 234, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.15);
}

.pro-feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.pro-feature-icon.health {
    background: linear-gradient(135deg, rgba(232, 90, 79, 0.2), rgba(232, 90, 79, 0.05));
    color: #E85A4F;
}

.pro-feature-icon.deps {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.2), rgba(78, 205, 196, 0.05));
    color: #4ECDC4;
}

.pro-feature-icon.insights {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(102, 126, 234, 0.05));
    color: #667EEA;
}

.pro-feature-icon.deep {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(168, 85, 247, 0.05));
    color: #A855F7;
}

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

.pro-feature-card > p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

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

.pro-feature-list li {
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin-bottom: var(--space-xs);
    padding-left: var(--space-sm);
    position: relative;
}

.pro-feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--coral);
}

.pro-pricing {
    max-width: 500px;
    margin: 0 auto;
}

.pricing-card {
    padding: var(--space-2xl);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: var(--radius-lg);
    text-align: center;
}

.pricing-header {
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(102, 126, 234, 0.2);
    margin-bottom: var(--space-lg);
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, #667EEA 0%, #A855F7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 6px;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667EEA 0%, #A855F7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.pricing-features {
    list-style: none;
    padding: 0;
    text-align: left;
    margin-bottom: var(--space-xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
}

.btn-pro-large {
    width: 100%;
    padding: var(--space-lg) var(--space-2xl);
    background: linear-gradient(135deg, #667EEA 0%, #A855F7 100%);
    color: white;
    font-weight: 700;
    font-size: 1rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: var(--space-md);
}

.btn-pro-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(102, 126, 234, 0.4);
}

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