/* Corporate Design System for Cognitive Agentics */
/* Professional Microsoft/Dell/IBM-inspired design */

:root {
    /* Primary Professional Blues - NO GRADIENTS */
    --ca-primary: #0078d4;           /* Microsoft Azure Blue */
    --ca-primary-dark: #106ebe;      /* Darker hover state */
    --ca-primary-light: #2b88d8;     /* Lighter variation */
    --ca-secondary: #475569;         /* Professional gray-blue */
    --ca-accent: #0078d4;            /* Same as primary - NO ORANGE */
    --ca-accent-dark: #106ebe;       /* Darker accent */
    --ca-success: #00875a;           /* Professional green */
    --ca-danger: #de350b;            /* Professional red */
    --ca-warning: #ff991f;           /* Professional orange (status only) */
    --ca-info: #0078d4;              /* Info blue */
    
    /* Text Colors - High Contrast */
    --ca-text-dark: #1a1f2e;         /* Primary text */
    --ca-text-light: #475569;        /* Secondary text */
    --ca-text-muted: #64748b;        /* Muted text */
    
    /* Background Colors - Clean & Professional */
    --ca-bg-primary: #ffffff;        /* Pure white */
    --ca-bg-secondary: #fafbfc;      /* Off-white */
    --ca-bg-tertiary: #f7fafc;       /* Light gray */
    --ca-bg-card: #ffffff;           /* Card background */
    
    /* Borders */
    --ca-border: #e2e8f0;
    --ca-border-dark: #cbd5e0;
    
    /* Shadows - Subtle & Professional */
    --ca-shadow-xs: 0 1px 2px 0 rgba(10, 25, 41, 0.03);
    --ca-shadow-sm: 0 1px 3px 0 rgba(10, 25, 41, 0.05), 0 1px 2px 0 rgba(10, 25, 41, 0.02);
    --ca-shadow-md: 0 4px 6px -1px rgba(10, 25, 41, 0.06), 0 2px 4px -1px rgba(10, 25, 41, 0.03);
    --ca-shadow-lg: 0 10px 15px -3px rgba(10, 25, 41, 0.08), 0 4px 6px -2px rgba(10, 25, 41, 0.03);
    --ca-shadow-xl: 0 20px 25px -5px rgba(10, 25, 41, 0.1), 0 10px 10px -5px rgba(10, 25, 41, 0.02);
    
    /* NO GRADIENTS - Solid colors only for professional look */
    --ca-gradient-primary: var(--ca-primary);      /* Solid blue */
    --ca-gradient-secondary: var(--ca-secondary);  /* Solid gray */
    --ca-gradient-hero: var(--ca-bg-secondary);    /* Solid background */
    
    /* Chat panel width */
    --chat-panel-width: 420px;
}

/* Typography */
body {
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--ca-text-dark);
    line-height: 1.6;
}

.fw-500 {
    font-weight: 500;
}

.fw-600 {
    font-weight: 600;
}

.fw-700 {
    font-weight: 700;
}

.fw-800 {
    font-weight: 800;
}

/* Text Styling - NO GRADIENTS, solid colors only */
.text-gradient {
    color: var(--ca-primary);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

.text-gradient-secondary {
    color: var(--ca-secondary);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

/* Hero Sections - Clean, professional background */
.hero-section {
    background: var(--ca-bg-secondary);
    padding: 4rem 0;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23cbd5e0' fill-opacity='0.02'%3E%3Cpath d='m36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    opacity: 0.5;
    z-index: 0;
}

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

/* Feature Cards - Clean white cards with subtle shadows */
.feature-card {
    transition: all 0.3s ease;
    background: var(--ca-bg-card);
    border: 1px solid var(--ca-border);
    border-radius: 12px;
    padding: 2rem;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--ca-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 120, 212, 0.08);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    color: var(--ca-primary);
}

.feature-card:hover .feature-icon {
    transform: scale(1.05);
    background: rgba(0, 120, 212, 0.12);
}

/* Buttons - Professional Microsoft-style */
.btn-primary {
    background: var(--ca-primary);
    border-color: var(--ca-primary);
    color: #ffffff;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    box-shadow: var(--ca-shadow-sm);
}

.btn-primary:hover {
    background: var(--ca-primary-dark);
    border-color: var(--ca-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--ca-shadow-md);
}

.btn-outline-primary {
    color: var(--ca-primary);
    border-color: var(--ca-primary);
    background: transparent;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn-outline-primary:hover {
    background: var(--ca-primary);
    border-color: var(--ca-primary);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: var(--ca-shadow-md);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-sm {
    padding: 3rem 0;
}

.section-lg {
    padding: 7rem 0;
}

/* Navigation */
.navbar {
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95) !important;
    border-bottom: 1px solid var(--ca-border);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ca-text-dark) !important;
}

.nav-link {
    font-weight: 500;
    color: var(--ca-text-dark) !important;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--ca-primary) !important;
}

/* Underline effect for nav links, but exclude dropdown toggles */
.nav-link:not(.dropdown-toggle)::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--ca-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:not(.dropdown-toggle):hover::after {
    width: 100%;
}

/* Special styling for dropdown toggle */
.dropdown-toggle {
    position: relative;
}

.dropdown-toggle::after {
    border: none !important;
    content: '\F282' !important;
    font-family: 'bootstrap-icons' !important;
    font-size: 0.8em;
    margin-left: 0.5rem;
    vertical-align: 0.1em;
}

/* Stats Section - NO GRADIENT TEXT */
.stats-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--ca-shadow-sm);
    border: 1px solid var(--ca-border);
    transition: all 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--ca-shadow-md);
}

.stats-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--ca-primary);
    margin-bottom: 0.5rem;
}

/* Testimonials */
.testimonial-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--ca-shadow);
    border: 1px solid var(--ca-border);
    height: 100%;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--ca-primary);
    font-weight: bold;
    line-height: 1;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid var(--ca-primary);
}

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Animation Classes */
.animate-fade-up {
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.animate-fade-down {
    animation: fadeInDown 0.8s ease-out;
    animation-fill-mode: both;
}

.animate-fade-left {
    animation: fadeInLeft 0.8s ease-out;
    animation-fill-mode: both;
}

.animate-fade-right {
    animation: fadeInRight 0.8s ease-out;
    animation-fill-mode: both;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* Delay classes for staggered animations */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* Footer - Clean professional style */
footer {
    background: #0a1929;
    color: rgba(255, 255, 255, 0.9);
}

.social-links a {
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--ca-primary) !important;
    transform: translateY(-2px);
}

/* Chat drawer layout */
.layout-wrapper {
    display: flex;
    min-height: 100vh;
    overflow: hidden;
}

.layout-wrapper .main-content {
    flex: 1;
    min-width: 0;
    overflow-x: hidden;
}

.chat-panel {
    width: 0;
    overflow: hidden;
    transition: width 0.3s ease;
    height: calc(100vh - 92px);
    background: white;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--ca-border);
    flex-shrink: 0;
    margin-top: 92px;
}

.chat-panel.open {
    width: var(--chat-panel-width, 420px);
}

/* Removed redundant .layout-wrapper.chat-open selector - .chat-panel.open handles it */

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        min-height: 80vh;
        text-align: center;
    }
    
    .feature-card {
        margin-bottom: 2rem;
    }
    
    .btn-lg {
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .stats-number {
        font-size: 2rem;
    }
}

/* Custom Utilities - NO GRADIENTS */
.bg-gradient-primary {
    background: var(--ca-primary);
}

.bg-gradient-secondary {
    background: var(--ca-secondary);
}

.border-gradient {
    border: 2px solid var(--ca-primary);
}

.shadow-ca {
    box-shadow: var(--ca-shadow);
}

.shadow-ca-lg {
    box-shadow: var(--ca-shadow-lg);
}

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

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

.text-ca-muted {
    color: var(--ca-text-muted);
}

/* Chat Panel Layout */
.layout-wrapper {
    display: flex;
    min-height: 100vh;
    overflow: hidden;
}

.main-content {
    flex: 1;
    min-width: 0;
    overflow-y: auto;
}

/* AgentixPilotChat component within chat panel */
.chat-panel .agentix-pilot-chat {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: white;
}

.chat-panel .chat-header {
    padding: 20px;
    border-bottom: 1px solid var(--ca-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
}

.chat-panel .chat-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.chat-panel .chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--ca-bg-secondary);
}

.chat-panel .chat-input {
    padding: 20px;
    border-top: 1px solid var(--ca-border);
    background: white;
}

.chat-panel .message {
    margin-bottom: 16px;
    animation: fadeInUp 0.3s ease;
}

.chat-panel .user-message {
    text-align: right;
}

.chat-panel .bot-message {
    text-align: left;
}

.chat-panel .message-content {
    display: inline-block;
    padding: 12px 16px;
    border-radius: 12px;
    max-width: 80%;
    word-wrap: break-word;
}

.chat-panel .user-message .message-content {
    background: var(--ca-primary);
    color: white;
}

.chat-panel .bot-message .message-content {
    background: white;
    color: var(--ca-text-dark);
    box-shadow: var(--ca-shadow-sm);
}

.chat-panel .message-time {
    font-size: 0.75rem;
    color: var(--ca-text-muted);
    margin-top: 4px;
}

.chat-panel .welcome-message {
    background: white;
    padding: 16px;
    border-radius: 12px;
    box-shadow: var(--ca-shadow-sm);
    text-align: center;
}

.chat-panel .welcome-message p {
    margin: 0;
    color: var(--ca-text-light);
}

.chat-panel-header {
    padding: 20px;
    border-bottom: 1px solid var(--ca-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-panel-header h4 {
    margin: 0;
    font-weight: 600;
}

.chat-panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--ca-bg-secondary);
}

.chat-panel-input {
    padding: 20px;
    border-top: 1px solid var(--ca-border);
    background: white;
}

/* Loading States - Subtle animation */
.loading-skeleton {
    background: #f0f0f0;
    animation: loading-pulse 1.5s infinite;
}

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

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