/* ============================================
   DANGER THEORY PLATFORM - 2025 CUTTING-EDGE STYLES
   Brutalist-Organic Design Fusion
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================ */
:root {
    /* 2025 Color Palette - Mocha Mousse + Digital Neons */
    --color-primary: #9E7B5F;
    --color-primary-dark: #7A5D47;
    --color-primary-light: #C4A68A;
    --color-neon-cyan: #00F5FF;
    --color-neon-magenta: #FF0080;
    --color-neon-yellow: #FFFF00;
    
    /* Dark Mode Optimized Colors */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #0a0f1a;
    --color-bg-tertiary: #0d1420;
    --color-bg-elevated: #111827;
    
    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #b0b0b0;
    --color-text-tertiary: #808080;
    --color-text-accent: var(--color-neon-cyan);
    
    /* Semantic Colors */
    --color-success: #00ff88;
    --color-warning: #ffaa00;
    --color-error: #ff3366;
    --color-info: var(--color-neon-cyan);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', var(--font-primary);
    --font-serif: 'Playfair Display', Georgia, serif;
    
    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.5rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.875rem);
    --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 2.25rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 3rem);
    --text-4xl: clamp(2.25rem, 1.8rem + 2.25vw, 3.75rem);
    --text-5xl: clamp(3rem, 2.25rem + 3.75vw, 6rem);
    
    /* Spacing Scale */
    --space-xs: clamp(0.5rem, 0.45rem + 0.25vw, 0.75rem);
    --space-sm: clamp(0.75rem, 0.7rem + 0.25vw, 1rem);
    --space-md: clamp(1rem, 0.9rem + 0.5vw, 1.5rem);
    --space-lg: clamp(1.5rem, 1.3rem + 1vw, 2.5rem);
    --space-xl: clamp(2rem, 1.6rem + 2vw, 4rem);
    --space-2xl: clamp(3rem, 2.4rem + 3vw, 6rem);
    --space-3xl: clamp(4rem, 3rem + 5vw, 9rem);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 245, 255, 0.3);
    --shadow-glow-magenta: 0 0 20px rgba(255, 0, 128, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-Index Scale */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-popover: 500;
    --z-tooltip: 600;
    --z-notification: 700;
    
    /* Layout */
    --container-max: 1280px;
    --container-wide: 1440px;
    --header-height: 80px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
    position: relative;
}

/* Grain Texture Overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.01;
    pointer-events: none;
    z-index: var(--z-notification);
}

/* Selection Styles */
::selection {
    background-color: var(--color-neon-cyan);
    color: var(--color-bg-primary);
}

::-moz-selection {
    background-color: var(--color-neon-cyan);
    color: var(--color-bg-primary);
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-full);
    border: 2px solid var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-light);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    margin-bottom: var(--space-md);
}

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

a:hover {
    color: var(--color-neon-magenta);
}

strong {
    font-weight: 600;
    color: var(--color-text-primary);
}

em {
    font-style: italic;
    color: var(--color-text-secondary);
}

.lead-text {
    font-size: var(--text-xl);
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text-secondary);
}

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

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

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-wide {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.centered {
    text-align: center;
}

/* ============================================
   SKIP LINK (ACCESSIBILITY)
   ============================================ */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-neon-cyan);
    color: var(--color-bg-primary);
    padding: var(--space-sm) var(--space-md);
    z-index: var(--z-notification);
    font-weight: 600;
    border-radius: 0 0 var(--radius-md) 0;
}

.skip-link:focus {
    top: 0;
}

/* ============================================
   PARTICLE CANVAS BACKGROUND
   ============================================ */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(ellipse at center, rgba(10, 10, 10, 0) 0%, rgba(10, 10, 10, 0.3) 100%);
}

/* ============================================
   VOICE INDICATOR
   ============================================ */
.voice-indicator {
    position: fixed;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-bg-elevated);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.voice-indicator.active {
    opacity: 1;
    pointer-events: auto;
}

.voice-icon {
    font-size: var(--text-lg);
    animation: pulse 2s ease-in-out infinite;
}

.voice-text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav-orbital {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: var(--z-fixed);
    transition: transform var(--transition-base);
}

.nav-orbital.hidden {
    transform: translateY(-100%);
}

.nav-container {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-icon {
    font-size: var(--text-2xl);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    color: var(--color-text-primary);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: currentColor;
    position: relative;
    transition: background var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: currentColor;
    left: 0;
    transition: transform var(--transition-base);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg) translateY(8px);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg) translateY(-8px);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
    align-items: center;
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--space-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-neon-cyan);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-link-cta {
    background: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-magenta));
    color: var(--color-bg-primary);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
}

.nav-link-cta::after {
    display: none;
}

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

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

.voice-toggle,
.theme-toggle {
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.voice-toggle:hover,
.theme-toggle:hover {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    border-color: var(--color-primary);
}

.sun-icon,
.moon-icon {
    transition: opacity var(--transition-fast);
}

.moon-icon {
    display: none;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width var(--transition-slow), height var(--transition-slow);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-magenta));
    color: var(--color-bg-primary);
}

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

.btn-secondary {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--space-3xl) var(--space-lg);
    overflow: hidden;
}

.hero-container {
    max-width: var(--container-wide);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    position: relative;
    z-index: var(--z-base);
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-bg-primary);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    border: 2px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-lg);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.badge-icon {
    font-size: var(--text-base);
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: 900;
    line-height: 1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.03em;
}

.title-line {
    display: block;
}

.title-line-accent {
    background: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.08);
}

.stat-item {
    flex: 1;
}

.stat-value {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-neon-cyan);
    font-family: var(--font-display);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    margin-top: var(--space-xs);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

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

.hero-visual {
    position: relative;
    height: 500px;
}

.visual-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dna-helix {
    width: 100%;
    height: 100%;
    position: relative;
}

.visual-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 245, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.05); }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: rotate(45deg) translateY(0); }
    50% { transform: rotate(45deg) translateY(10px); }
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.section-header {
    margin-bottom: var(--space-2xl);
}

.section-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 700px;
}

.section-header.centered .section-description {
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.section-about {
    background: var(--color-bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.about-content p {
    margin-bottom: var(--space-lg);
}

.about-highlight {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-neon-cyan);
    margin-top: var(--space-xl);
}

.highlight-icon {
    font-size: var(--text-3xl);
    flex-shrink: 0;
}

.highlight-content h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
}

.highlight-content p {
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

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

.visual-card {
    padding: var(--space-xl);
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

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

.visual-card .card-icon {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-md);
}

.visual-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
}

/* About Section Image Styling */
.about-image-container {
    margin: var(--space-xl) 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg-primary);
    border: 2px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.about-image-container:hover {
    transform: translateY(-2px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.about-feature-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    display: block;
    object-fit: cover;
    margin: var(--space-lg) auto;
    border-radius: var(--radius-md);
    transition: transform var(--transition-base);
}

.about-feature-image:hover {
    transform: scale(1.02);
}

.image-caption {
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-primary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.caption-text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    font-style: italic;
    line-height: 1.4;
}

.visual-card p {
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* ============================================
   INNOVATION SECTION
   ============================================ */
.section-innovation {
    background: var(--color-bg-secondary);
}

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

.innovation-card {
    padding: var(--space-xl);
    background: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.innovation-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
}

.card-header {
    margin-bottom: var(--space-lg);
}

.card-icon-large {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-md);
}

.card-header h3 {
    font-size: var(--text-2xl);
    margin-bottom: 0;
}

.card-list {
    list-style: none;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}

.card-list li {
    padding-left: var(--space-lg);
    margin-bottom: var(--space-md);
    position: relative;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.card-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-neon-cyan);
    font-weight: 700;
}

.card-footer {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.card-tag {
    padding: var(--space-xs) var(--space-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   CAPABILITIES SECTION
   ============================================ */
.capabilities-tabs {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    border-bottom: 2px solid rgba(255, 255, 255, 0.05);
    overflow-x: auto;
}

.tab-button {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-secondary);
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    margin-bottom: -2px;
}

.tab-button:hover {
    color: var(--color-text-primary);
}

.tab-button.active {
    color: var(--color-neon-cyan);
    border-bottom-color: var(--color-neon-cyan);
}

.tab-icon {
    font-size: var(--text-lg);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

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

.content-feature {
    padding: var(--space-xl);
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

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

.feature-icon {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-md);
}

.content-feature h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
}

.content-feature p {
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* ============================================
   METHODOLOGY SECTION
   ============================================ */
.methodology-flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.flow-step {
    position: relative;
    padding: var(--space-xl);
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

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

.step-number {
    font-size: var(--text-3xl);
    font-weight: 900;
    color: var(--color-neon-cyan);
    font-family: var(--font-display);
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.step-content h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-sm);
}

.step-content p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

.step-arrow {
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--text-2xl);
    color: var(--color-primary);
    z-index: var(--z-base);
}

.flow-step:last-child .step-arrow {
    display: none;
}

/* Theory-First Framework Visual */
.framework-visual {
    margin: var(--space-2xl) 0;
    text-align: center;
}

.framework-image-container {
    display: inline-block;
    max-width: 70%;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.framework-image-container:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    border-color: var(--color-primary);
}

.framework-image {
    width: 100%;
    height: auto;
    display: block;
    max-width: 800px;
}

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

.detail-card {
    padding: var(--space-xl);
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.08);
}

.detail-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-lg);
}

.detail-card ul {
    list-style: none;
}

.detail-card li {
    padding-left: var(--space-lg);
    margin-bottom: var(--space-md);
    position: relative;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.detail-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

/* ============================================
   PARTNERSHIP SECTION
   ============================================ */
.section-partnership {
    background: var(--color-bg-secondary);
}

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

.partnership-card {
    padding: var(--space-2xl);
    background: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    transition: all var(--transition-base);
}

.partnership-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
}

.card-icon-xl {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
}

.partnership-card h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-md);
}

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

.card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-neon-cyan);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.card-link:hover {
    gap: var(--space-md);
    color: var(--color-neon-magenta);
}

.project-status {
    padding: var(--space-2xl);
    background: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(255, 255, 255, 0.05);
}

.project-status h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.status-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.timeline-item {
    display: flex;
    gap: var(--space-lg);
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 40px;
    width: 2px;
    height: calc(100% + var(--space-xl));
    background: rgba(255, 255, 255, 0.1);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-marker {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-bg-primary);
    border: 3px solid rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
    position: relative;
    z-index: var(--z-base);
}

.timeline-item.completed .timeline-marker {
    background: var(--color-success);
    border-color: var(--color-success);
}

.timeline-item.active .timeline-marker {
    background: var(--color-neon-cyan);
    border-color: var(--color-neon-cyan);
    animation: pulse-ring 2s ease-in-out infinite;
}

@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(0, 245, 255, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(0, 245, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 245, 255, 0); }
}

.timeline-content h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-sm);
}

.timeline-content p {
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2xl);
    text-align: center;
}

.contact-info {
    text-align: center !important;
    max-width: 600px;
    margin: 0 auto !important;
    width: 100%;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    position: relative !important;
}

.contact-info h2 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-lg);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.contact-method {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
    text-decoration: none;
}

.contact-method:hover {
    transform: translateX(8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.method-icon {
    font-size: var(--text-2xl);
    flex-shrink: 0;
}

.method-content h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-xs);
    color: var(--color-text-primary);
}

.method-content p {
    color: var(--color-text-secondary);
    margin-bottom: 0;
    font-size: var(--text-sm);
}

.principal-investigator {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-primary);
}

.pi-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-magenta));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-bg-primary);
    flex-shrink: 0;
}

.pi-info h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-xs);
}

.pi-info p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
    font-size: var(--text-sm);
}

.pi-focus {
    font-style: italic;
}

/* Contact Actions */
.contact-actions {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: var(--space-sm);
    margin: var(--space-xl) auto !important;
    padding: var(--space-xl);
    background: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    text-align: center !important;
    width: fit-content;
    left: 50% !important;
    transform: translateX(-50%) !important;
}

.contact-actions::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-neon-cyan), var(--color-neon-magenta));
}

.contact-email {
    color: var(--color-text-secondary);
    font-size: var(--text-base);
    margin: 0;
    font-family: var(--font-primary);
    text-align: center;
    font-weight: 500;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.email-icon {
    font-size: 1.2em;
    color: var(--color-primary);
}

.contact-email a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

.contact-email a:hover {
    color: var(--color-primary);
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-form-wrapper {
    padding: var(--space-2xl);
    background: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-md);
    background: var(--color-bg-primary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-neon-cyan);
    box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   MISSION SECTION
   ============================================ */
.section-mission {
    background: var(--color-bg-secondary);
    padding: var(--space-3xl) 0;
}

.mission-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.mission-content h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-xl);
}

.mission-text {
    font-size: var(--text-xl);
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.mission-tagline {
    font-size: var(--text-lg);
    color: var(--color-text-tertiary);
    font-family: var(--font-serif);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-2xl) 0;
}

/* Disclosure Accordion Styles */
.disclosure-accordion {
    margin: 20px 0;
}

.disclosure-toggle {
    background: none;
    color: #ffffff;
    border: none;
    padding: 0;
    text-align: left;
    cursor: pointer;
    font-size: 14px;
    font-weight: normal;
    text-decoration: underline;
    transition: color 0.3s ease;
}

.disclosure-toggle:hover {
    color: #ff6b35;
}

.disclosure-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: #2a2a2a;
    border-radius: 0 0 8px 8px;
    padding: 0;
    opacity: 0;
}

.disclosure-content.active {
    max-height: 2000px;
    padding: 20px;
    opacity: 1;
}

.disclosure-content h4 {
    color: #ff6b35;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 700;
}

.disclosure-section {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #444;
}

.disclosure-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.disclosure-section h5 {
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.disclosure-section p {
    color: #cccccc;
    font-size: 13px;
    line-height: 1.6;
    margin: 0;
}

.footer-simple {
    text-align: center;
    margin: 0 auto;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--text-xl);
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.footer-simple p {
    color: var(--color-text-secondary);
    font-size: var(--text-base);
    line-height: 1.6;
    margin-bottom: var(--space-xl);
}

.footer-copyright {
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    max-width: 100%;
    width: 100%;
}

/* ============================================
   CHATBOT
   ============================================ */
.chatbot {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: var(--z-modal);
}

.chatbot-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-magenta));
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
    position: relative;
}

.chatbot-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.chatbot-icon,
.close-icon {
    color: var(--color-bg-primary);
    transition: opacity var(--transition-fast);
}

.close-icon {
    position: absolute;
    opacity: 0;
}

.chatbot.active .chatbot-icon {
    opacity: 0;
}

.chatbot.active .close-icon {
    opacity: 1;
}

.chatbot-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 500px;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
    transition: all var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.chatbot.active .chatbot-window {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.chatbot-header {
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.chatbot-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-magenta));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
}

.chatbot-info h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-xs);
}

.chatbot-status {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}

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

.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.message {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-magenta));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    flex-shrink: 0;
}

.message-content {
    flex: 1;
    padding: var(--space-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    line-height: 1.5;
}

.message-content p {
    margin-bottom: 0;
}

.user-message {
    flex-direction: row-reverse;
}

.user-message .message-content {
    background: var(--color-primary);
}

.chatbot-input-form {
    padding: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    gap: var(--space-sm);
}

.chatbot-input {
    flex: 1;
    padding: var(--space-md);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
}

.chatbot-input:focus {
    outline: none;
    border-color: var(--color-neon-cyan);
}

.chatbot-send {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-magenta));
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bg-primary);
    transition: all var(--transition-fast);
}

.chatbot-send:hover {
    transform: scale(1.05);
}

/* ============================================
   LOADING SCREEN
   ============================================ */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-notification);
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.loading-logo {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.loading-text {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.loading-bar {
    width: 300px;
    height: 4px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-neon-cyan), var(--color-neon-magenta));
    animation: progress 2s ease-in-out infinite;
}

@keyframes progress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */
[data-aos] {
    opacity: 0;
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="flip-left"] {
    transform: perspective(1000px) rotateY(-20deg);
}

[data-aos="flip-left"].aos-animate {
    transform: perspective(1000px) rotateY(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .hero-visual {
        height: 400px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image-container {
        margin: var(--space-lg) 0;
    }
    
    .about-feature-image {
        max-width: 300px;
    }
    
    .image-caption {
        padding: var(--space-sm) var(--space-md);
    }
    
    .innovation-grid {
        grid-template-columns: 1fr;
    }
    
    .methodology-flow {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partnership-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg-elevated);
        padding: var(--space-xl);
        gap: var(--space-md);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-base);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-toggle[aria-expanded="true"] + .nav-menu {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    
    .hero {
        padding: var(--space-2xl) var(--space-lg);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .stat-divider {
        width: 100%;
        height: 1px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .methodology-flow {
        grid-template-columns: 1fr;
    }
    
    .step-arrow {
        display: none;
    }
    
    .methodology-details {
        grid-template-columns: 1fr;
    }
    
    .framework-visual {
        margin: var(--space-xl) 0;
    }
    
    .framework-image-container {
        max-width: 90%;
    }
    
    .framework-image-container:hover {
        transform: none;
    }
    
    .chatbot {
        bottom: var(--space-md);
        right: var(--space-md);
    }
    
    .chatbot-window {
        width: calc(100vw - 2 * var(--space-md));
        max-width: 380px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .section-title {
        font-size: var(--text-3xl);
    }
    
    .capabilities-tabs {
        flex-direction: column;
    }
    
    .tab-button {
        justify-content: center;
    }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .scroll-arrow {
        animation: none;
    }
    
    .loading-logo {
        animation: none;
    }
    
    .loading-progress {
        animation: none;
    }
}

/* ============================================
   SPARKLE TEXT ANIMATION
   ============================================ */
.sparkle-text {
    position: relative;
    display: inline-block;
    background: linear-gradient(
        45deg,
        #00cccc,
        #cc00cc,
        #cccc00,
        #00cc00,
        #cc0066,
        #6600cc,
        #00cccc
    );
    background-size: 400% 400%;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: sparkleGradient 4s ease-in-out infinite, 
               textGlow 3s ease-in-out infinite, 
               textFloat 3s ease-in-out infinite, 
               textSway 4s ease-in-out infinite;
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 204, 204, 0.3),
                 0 0 20px rgba(204, 0, 204, 0.2),
                 0 0 30px rgba(204, 204, 0, 0.1);
    filter: drop-shadow(0 0 5px rgba(0, 204, 204, 0.4));
    transform-origin: center center;
}

.sparkle-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        45deg,
        transparent 40%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 60%
    );
    background-size: 200% 200%;
    animation: sparkleShine 4s linear infinite;
    pointer-events: none;
    z-index: 1;
}

.sparkle-text::after {
    content: '✨';
    position: absolute;
    top: -10px;
    right: -15px;
    font-size: 1em;
    animation: sparkleFloat 4s ease-in-out infinite;
    opacity: 0.5;
    z-index: 2;
}

/* Sparkle particles */
.mission-tagline {
    position: relative;
    overflow: visible;
}

.mission-tagline::before {
    content: '✨ ⭐ ✨ 💫 ⭐ ✨';
    position: absolute;
    top: -20px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.7em;
    animation: sparkleParticles 6s linear infinite;
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
}

.mission-tagline::after {
    content: '💫 ✨ ⭐ ✨ 💫 ⭐';
    position: absolute;
    bottom: -20px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.7em;
    animation: sparkleParticles 6s linear infinite reverse;
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
}

/* Keyframe animations */
@keyframes sparkleGradient {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes textGlow {
    0% {
        filter: drop-shadow(0 0 5px rgba(0, 204, 204, 0.4))
                drop-shadow(0 0 10px rgba(204, 0, 204, 0.2));
    }
    100% {
        filter: drop-shadow(0 0 8px rgba(204, 204, 0, 0.4))
                drop-shadow(0 0 12px rgba(0, 204, 0, 0.3))
                drop-shadow(0 0 15px rgba(204, 0, 128, 0.2));
    }
}

@keyframes sparkleShine {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes sparkleFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.8;
    }
    25% {
        transform: translateY(-5px) rotate(90deg);
        opacity: 1;
    }
    50% {
        transform: translateY(-10px) rotate(180deg);
        opacity: 0.6;
    }
    75% {
        transform: translateY(-5px) rotate(270deg);
        opacity: 1;
    }
}

@keyframes sparkleParticles {
    0% {
        transform: translateX(-100px);
        opacity: 0;
    }
    10%, 90% {
        opacity: 0.7;
    }
    100% {
        transform: translateX(100px);
        opacity: 0;
    }
}

@keyframes textFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    25% {
        transform: translateY(-8px);
    }
    50% {
        transform: translateY(-15px);
    }
    75% {
        transform: translateY(-8px);
    }
}

@keyframes textSway {
    0%, 100% {
        transform: translateX(0px) rotate(0deg);
    }
    25% {
        transform: translateX(6px) rotate(1.5deg);
    }
    50% {
        transform: translateX(0px) rotate(0deg);
    }
    75% {
        transform: translateX(-6px) rotate(-1.5deg);
    }
}

/* Enhanced contrast and visibility */
.mission-tagline .sparkle-text {
    font-size: 1.1em;
    line-height: 1.4;
    letter-spacing: 0.5px;
    padding: 10px 0;
    margin: 10px 0;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .sparkle-text {
        font-size: 0.95em;
        animation: sparkleGradient 4s ease-in-out infinite,
                   textGlow 3s ease-in-out infinite alternate,
                   textFloat 7s ease-in-out infinite,
                   textSway 9s ease-in-out infinite;
    }
    
    .sparkle-text::after {
        font-size: 1em;
        top: -8px;
        right: -10px;
    }
    
    .mission-tagline::before,
    .mission-tagline::after {
        font-size: 0.7em;
    }
}

/* Reduced motion accessibility */
@media (prefers-reduced-motion: reduce) {
    .sparkle-text,
    .sparkle-text::before,
    .sparkle-text::after,
    .mission-tagline::before,
    .mission-tagline::after {
        animation: none;
        transform: none;
    }
    
    .sparkle-text {
        background: linear-gradient(45deg, #00ffff, #ff00ff);
        background-clip: text;
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        filter: drop-shadow(0 0 5px rgba(0, 255, 255, 0.5));
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .nav-orbital,
    .chatbot,
    .loading-screen,
    .voice-indicator,
    #particle-canvas {
        display: none !important;
    }
    
    .section {
        page-break-inside: avoid;
    }
}