/**
 * AI Investment Copilot Landing Page
 */

/* ==================== CSS Variables & Base ==================== */
:root {
    /* Colors - Light theme palette */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8f9fa;
    --color-bg-tertiary: #f1f3f5;
    --color-bg-card: rgba(255, 255, 255, 0.9);
    --color-bg-card-hover: rgba(255, 255, 255, 1);
    
    --color-text-primary: #0f172a;
    --color-text-secondary: #475569;
    --color-text-tertiary: #94a3b8;
    
    --color-accent-primary: #6366f1; /* Indigo */
    --color-accent-secondary: #8b5cf6; /* Purple */
    --color-accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    --color-border: rgba(15, 23, 42, 0.08);
    --color-border-hover: rgba(15, 23, 42, 0.15);
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Border radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
    
    /* 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);
}

/* ==================== Base Styles ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.copilot-landing {
    font-family: var(--font-primary);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.copilot-landing * {
    box-sizing: border-box;
}

/* ==================== Public Header (Firecrawl-style) ==================== */
.public-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.public-header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

/* Logo */
.public-header-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: 1.125rem;
    transition: opacity var(--transition-fast);
    flex-shrink: 0;
}

.public-header-logo:hover {
    opacity: 0.8;
}

.public-header-logo-icon {
    width: 28px;
    height: 28px;
    color: var(--color-accent-primary);
}

.public-header-logo-text {
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* Navigation */
.public-header-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.public-header-nav-link {
    padding: 0.5rem 1rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.public-header-nav-link:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
}

.public-header-nav-link.active {
    color: var(--color-accent-primary);
    background: rgba(99, 102, 241, 0.08);
}

/* Actions */
.public-header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.public-header-link {
    padding: 0.5rem 1rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.public-header-link:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
}

.public-header-btn-primary {
    padding: 0.625rem 1.25rem;
    background: var(--color-accent-primary);
    color: white;
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
    box-shadow: 0 1px 2px rgba(99, 102, 241, 0.2);
}

.public-header-btn-primary:hover {
    background: #5558e3;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.public-header-btn-primary:active {
    transform: translateY(0);
}

/* Dark Theme Support */
[data-theme="dark"] .public-header {
    background: rgba(23, 23, 23, 0.8);
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .public-header-logo {
    color: #f5f5f5;
}

[data-theme="dark"] .public-header-nav-link {
    color: #94a3b8;
}

[data-theme="dark"] .public-header-nav-link:hover {
    color: #f5f5f5;
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .public-header-nav-link.active {
    color: #8b5cf6;
    background: rgba(139, 92, 246, 0.1);
}

[data-theme="dark"] .public-header-link {
    color: #94a3b8;
}

[data-theme="dark"] .public-header-link:hover {
    color: #f5f5f5;
    background: rgba(255, 255, 255, 0.05);
}

/* Bank Theme Support */
[data-theme="bank"] .public-header-logo-icon,
[data-theme="bank"] .public-header-nav-link.active {
    color: #0066cc;
}

[data-theme="bank"] .public-header-btn-primary {
    background: #0066cc;
}

[data-theme="bank"] .public-header-btn-primary:hover {
    background: #0052a3;
}

[data-theme="bank"] .public-header-nav-link.active {
    background: rgba(0, 102, 204, 0.08);
}

/* Responsive */
@media (max-width: 768px) {
    .public-header-container {
        padding: 1rem 1.5rem;
        gap: 1rem;
    }
    
    .public-header-nav {
        display: none;
    }
    
    .public-header-logo-text {
        display: none;
    }
    
    .public-header-link {
        display: none;
    }
    
    .public-header-btn-primary {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

/* ==================== Navigation Header (Old - Keep for compatibility) ==================== */
.copilot-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

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

.copilot-nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.copilot-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-text-primary);
    transition: opacity var(--transition-fast);
}

.copilot-logo:hover {
    opacity: 0.8;
}

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

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

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

.copilot-nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.copilot-nav-btn-ghost {
    color: var(--color-text-secondary);
    background: transparent;
}

.copilot-nav-btn-ghost:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
}

.copilot-nav-btn-primary {
    color: white;
    background: var(--color-accent-gradient);
    box-shadow: var(--shadow-sm);
}

.copilot-nav-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Responsive Navigation */
@media (max-width: 768px) {
    .copilot-nav-content {
        height: 56px;
    }
    
    .copilot-logo {
        font-size: 1.125rem;
    }
    
    .copilot-logo-icon {
        font-size: 1.25rem;
    }
    
    .copilot-nav-actions {
        gap: 0.5rem;
    }
    
    .copilot-nav-btn {
        padding: 0.5rem 0.875rem;
        font-size: 0.8125rem;
    }
}

@media (max-width: 480px) {
    .copilot-nav-btn-ghost {
        padding: 0.5rem 0.75rem;
    }
    
    .copilot-nav-btn-primary {
        padding: 0.5rem 0.875rem;
    }
}

/* ==================== Typography ==================== */
.copilot-heading-hero {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin: 0;
    background: linear-gradient(135deg, #0f172a 0%, #475569 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.copilot-heading-xl {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0;
}

.copilot-heading-lg {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin: 0;
}

.copilot-heading-md {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    font-weight: 600;
    line-height: 1.3;
    margin: 0;
}

.copilot-body-lg {
    font-size: clamp(1.125rem, 1.5vw, 1.25rem);
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.copilot-body-md {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.copilot-body-sm {
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--color-text-tertiary);
}

/* ==================== Buttons ==================== */
.copilot-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.copilot-btn-primary {
    background: var(--color-accent-gradient);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.copilot-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.5);
}

.copilot-btn-primary:active {
    transform: translateY(0);
}

.copilot-btn-secondary {
    background: var(--color-bg-card);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

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

.copilot-btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    padding: 0.5rem 1rem;
}

.copilot-btn-ghost:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.copilot-btn-lg {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.copilot-btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border-radius: 50%;
}

/* ==================== Cards ==================== */
.copilot-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.copilot-card-hover {
    cursor: pointer;
}

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

.copilot-card-glow {
    position: relative;
}

.copilot-card-glow::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: var(--color-accent-gradient);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.copilot-card-glow:hover::before {
    opacity: 1;
}

/* ==================== Labels & Badges ==================== */
.copilot-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    color: var(--color-text-primary);
}

.copilot-badge-accent {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--color-accent-primary);
}

.copilot-badge-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--color-success);
}

/* ==================== Input & Form Elements ==================== */
.copilot-input {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    outline: none;
}

.copilot-input:focus {
    border-color: var(--color-accent-primary);
    background: var(--color-bg-tertiary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

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

/* ==================== Container & Layout ==================== */
.copilot-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.copilot-container-narrow {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.copilot-section {
    padding: var(--space-3xl) 0;
}

.copilot-grid {
    display: grid;
    gap: var(--space-lg);
}

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

@media (max-width: 768px) {
    .copilot-grid-2 {
        grid-template-columns: 1fr;
    }
}

.copilot-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 968px) {
    .copilot-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .copilot-grid-3 {
        grid-template-columns: 1fr;
    }
}

/* ==================== Animations ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.copilot-animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out forwards;
}

.copilot-animate-fadeIn {
    animation: fadeIn 0.6s ease-out forwards;
}

.copilot-animate-delay-1 {
    animation-delay: 0.1s;
    opacity: 0;
}

.copilot-animate-delay-2 {
    animation-delay: 0.2s;
    opacity: 0;
}

.copilot-animate-delay-3 {
    animation-delay: 0.3s;
    opacity: 0;
}

.copilot-animate-delay-4 {
    animation-delay: 0.4s;
    opacity: 0;
}

/* ==================== Hero Section ==================== */
.copilot-hero {
    position: relative;
    padding: var(--space-3xl) 0;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.copilot-hero-bg {
    position: absolute;
    inset: 0;
    opacity: 1;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
}

.copilot-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.copilot-hero-badge {
    margin-bottom: var(--space-md);
}

.copilot-hero-title {
    margin-bottom: var(--space-md);
}

.copilot-hero-description {
    margin-bottom: var(--space-xl);
}

/* ==================== Chat Input Section ==================== */
.copilot-chat-container {
    max-width: 700px;
    margin: var(--space-xl) auto 0;
}

.copilot-chat-form {
    position: relative;
}

.copilot-chat-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.copilot-chat-input-wrapper:focus-within {
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1), var(--shadow-glow);
}

.copilot-chat-input-wrapper input {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text-primary);
}

.copilot-chat-input-wrapper input::placeholder {
    color: var(--color-text-tertiary);
}

.copilot-chat-send-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-gradient);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.copilot-chat-send-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.copilot-chat-send-btn:active {
    transform: scale(0.95);
}

.copilot-chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--space-md);
    justify-content: center;
}

.copilot-suggestion-chip {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    flex-shrink: 0;
}

.copilot-suggestion-chip:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
    color: var(--color-text-primary);
    transform: translateY(-2px);
}

/* ==================== Feature Cards ==================== */
.copilot-features {
    padding: var(--space-3xl) 0;
}

.copilot-feature-card {
    position: relative;
    padding: var(--space-xl);
    height: 100%;
}

.copilot-feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-gradient);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    font-size: 1.75rem;
    color: white;
}

.copilot-feature-title {
    margin-bottom: var(--space-sm);
}

.copilot-feature-description {
    margin: 0;
}

/* ==================== CTA Section ==================== */
.copilot-cta {
    padding: var(--space-3xl) 0;
    position: relative;
}

.copilot-cta-card {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.copilot-cta-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-accent-gradient);
    opacity: 0.05;
}

.copilot-cta-content {
    position: relative;
    z-index: 1;
}

.copilot-cta-title {
    margin-bottom: var(--space-md);
}

.copilot-cta-description {
    margin-bottom: var(--space-xl);
}

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

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    .copilot-section {
        padding: var(--space-xl) 0;
    }
    
    .copilot-hero {
        min-height: auto;
        padding: var(--space-xl) 0 var(--space-2xl) 0;
    }
    
    .copilot-container {
        padding: 0 var(--space-md);
    }
    
    .copilot-container-narrow {
        padding: 0 var(--space-md);
    }
    
    .copilot-grid-2,
    .copilot-grid-3 {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .copilot-suggestion-chip {
        font-size: 0.8125rem;
        padding: 0.5rem 0.875rem;
    }
    
    .copilot-cta-actions {
        flex-direction: column;
    }
    
    .copilot-btn {
        width: 100%;
    }
    
    .copilot-feature-card {
        padding: var(--space-md);
    }
    
    .copilot-card {
        padding: var(--space-md);
    }
    
    .copilot-cta-card {
        padding: var(--space-xl) var(--space-md);
    }
}

@media (max-width: 480px) {
    .copilot-section {
        padding: var(--space-lg) 0;
    }
    
    .copilot-hero {
        padding: var(--space-lg) 0 var(--space-xl) 0;
    }
    
    .copilot-container {
        padding: 0 var(--space-sm);
    }
    
    .copilot-container-narrow {
        padding: 0 var(--space-sm);
    }
    
    .copilot-feature-card {
        padding: var(--space-sm) var(--space-md);
    }
    
    .copilot-card {
        padding: var(--space-sm) var(--space-md);
    }
    
    .copilot-cta-card {
        padding: var(--space-lg) var(--space-sm);
    }
    
    .copilot-chat-container {
        margin-top: var(--space-lg);
    }
    
    .copilot-suggestion-chip {
        font-size: 0.75rem;
        padding: 0.375rem 0.625rem;
    }
}

/* ==================== Utility Classes ==================== */
.copilot-text-center {
    text-align: center;
}

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

.copilot-mb-sm { margin-bottom: var(--space-sm); }
.copilot-mb-md { margin-bottom: var(--space-md); }
.copilot-mb-lg { margin-bottom: var(--space-lg); }
.copilot-mb-xl { margin-bottom: var(--space-xl); }

.copilot-mt-sm { margin-top: var(--space-sm); }
.copilot-mt-md { margin-top: var(--space-md); }
.copilot-mt-lg { margin-top: var(--space-lg); }
.copilot-mt-xl { margin-top: var(--space-xl); }

/* ==================== Footer ==================== */
footer {
    padding-bottom: 8rem !important;
}

@media (max-width: 768px) {
    footer {
        padding-bottom: 6rem !important;
    }
}

/* ==================== Sticky Chat Bar ==================== */
.copilot-sticky-chat {
    position: fixed;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%) translateY(150%);
    z-index: 1000;
    transition: transform var(--transition-base);
    max-width: 700px;
    width: calc(100% - 2rem);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.copilot-sticky-chat.visible {
    transform: translateX(-50%) translateY(0);
}

.copilot-sticky-suggestions {
    display: flex;
    gap: 0.375rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
}

.copilot-sticky-suggestions::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.copilot-sticky-chip {
    flex-shrink: 0;
    padding: 0.375rem 0.875rem;
    font-size: 0.75rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.copilot-sticky-chip:hover {
    background: rgba(255, 255, 255, 1);
    border-color: var(--color-accent-primary);
    color: var(--color-text-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.copilot-sticky-chat-form {
    width: 100%;
}

.copilot-sticky-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-base);
}

.copilot-sticky-input-wrapper:focus-within {
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1), var(--shadow-md);
}

.copilot-sticky-input-wrapper input {
    flex: 1;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text-primary);
}

.copilot-sticky-input-wrapper input::placeholder {
    color: var(--color-text-tertiary);
}

.copilot-sticky-send-btn {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-gradient);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
    font-size: 0.875rem;
}

.copilot-sticky-send-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.copilot-sticky-send-btn:active {
    transform: scale(0.95);
}

@media (max-width: 768px) {
    .copilot-sticky-chat {
        bottom: var(--space-sm);
        width: calc(100% - 1rem);
        gap: 0.375rem;
    }
    
    .copilot-sticky-suggestions {
        gap: 0.25rem;
    }
    
    .copilot-sticky-chip {
        padding: 0.3rem 0.75rem;
        font-size: 0.7rem;
    }
    
    .copilot-sticky-input-wrapper {
        padding: 0.3rem;
    }
    
    .copilot-sticky-input-wrapper input {
        font-size: 0.8125rem;
        padding: 0.5rem 0.875rem;
    }
    
    .copilot-sticky-send-btn {
        width: 36px;
        height: 36px;
        font-size: 0.8125rem;
    }
}

/* ==================== Alert Components ==================== */
.alert {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    animation: slideInDown 0.3s ease-out;
    backdrop-filter: blur(10px);
}

.alert-success {
    border-left: 4px solid var(--color-success);
    background: rgba(16, 185, 129, 0.05);
    color: #065f46;
}

.alert-danger,
.alert-error {
    border-left: 4px solid var(--color-error);
    background: rgba(239, 68, 68, 0.05);
    color: #991b1b;
}

.alert-warning {
    border-left: 4px solid var(--color-warning);
    background: rgba(245, 158, 11, 0.05);
    color: #92400e;
}

.alert-info {
    border-left: 4px solid var(--color-accent-primary);
    background: rgba(99, 102, 241, 0.05);
    color: #1e40af;
}

.alert-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: currentColor;
    opacity: 0.5;
    padding: 0;
    transition: opacity var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

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

/* ==================== Demo Response Modal ==================== */
.demo-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.demo-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.demo-modal {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 700px;
    width: 100%;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: scale(0.95) translateY(20px);
    transition: all var(--transition-base);
}

.demo-modal-overlay.active .demo-modal {
    transform: scale(1) translateY(0);
}

.demo-modal-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.demo-modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.demo-modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1.25rem;
}

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

.demo-modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    flex: 1;
}

.demo-modal-chat {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.demo-message {
    display: flex;
    gap: var(--space-sm);
    animation: fadeInUp 0.4s ease-out;
}

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

.demo-message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.25rem;
}

.demo-message.ai .demo-message-avatar {
    background: var(--color-accent-gradient);
    color: white;
}

.demo-message.user .demo-message-avatar {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.demo-message-content {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    line-height: 1.6;
    max-width: 80%;
}

.demo-message.ai .demo-message-content {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.demo-message.user .demo-message-content {
    background: var(--color-accent-gradient);
    color: white;
    text-align: right;
}

.demo-message-content ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.demo-message-content li {
    margin: 0.25rem 0;
}

.demo-typing {
    display: flex;
    gap: 0.25rem;
    padding: var(--space-sm);
}

.demo-typing span {
    width: 8px;
    height: 8px;
    background: var(--color-text-tertiary);
    border-radius: 50%;
    animation: pulse 1.4s infinite;
}

.demo-typing span:nth-child(2) {
    animation-delay: 0.2s;
}

.demo-typing span:nth-child(3) {
    animation-delay: 0.4s;
}

.demo-modal-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.demo-modal-cta {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.demo-modal-cta-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin: 0 0 var(--space-xs) 0;
    text-align: center;
}

.demo-modal-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.demo-modal-btn-primary {
    background: var(--color-accent-gradient);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.demo-modal-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.5);
}

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

.demo-modal-btn-secondary:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border-hover);
}

@media (max-width: 768px) {
    .demo-modal {
        max-height: 90vh;
        margin: var(--space-sm);
    }
    
    .demo-modal-header,
    .demo-modal-body,
    .demo-modal-footer {
        padding: var(--space-md);
    }
    
    .demo-message-content {
        max-width: 85%;
    }
    
    .demo-modal-cta {
        flex-direction: column;
    }
    
    .demo-modal-btn {
        width: 100%;
    }
}