/* Custom styles for IntView AI website */

:root {
    /* Base colors */
    --color-blue-50: #eff6ff;
    --color-blue-100: #dbeafe;
    --color-blue-200: #bfdbfe;
    --color-blue-300: #93c5fd;
    --color-blue-400: #60a5fa;
    --color-blue-500: #3b82f6;
    --color-blue-600: #2563eb;
    --color-blue-700: #1d4ed8;
    --color-blue-800: #1e40af;
    --color-blue-900: #1e3a8a;
    
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    --color-gray-950: #030712;
    
    --color-green-400: #4ade80;
    --color-green-500: #22c55e;
    --color-yellow-400: #facc15;
    --color-red-400: #f87171;
    --color-purple-400: #c084fc;
    /* Added to support gradients and components that reference purple-500 */
    --color-purple-500: #a855f7;
    --color-purple-600: #9333ea;
    --color-cyan-400: #22d3ee;
}

/* Dark theme (default) */
[data-theme="dark"] {
    /* Primary colors */
    --primary: var(--color-blue-500);
    --primary-hover: var(--color-blue-600);
    --primary-light: var(--color-blue-400);
    --primary-dark: var(--color-blue-700);
    
    /* Background colors */
    --bg-base: var(--color-gray-950);
    --bg-surface: rgba(31, 41, 55, 0.5);
    --bg-surface-hover: rgba(31, 41, 55, 0.7);
    --bg-elevated: rgba(55, 65, 81, 0.5);
    --bg-elevated-hover: rgba(55, 65, 81, 0.8);
    --bg-nav: rgba(17, 24, 39, 0.95);
    --bg-card: rgba(31, 41, 55, 0.5);
    --bg-card-hover: rgba(31, 41, 55, 0.8);
    --bg-section-alt: rgba(31, 41, 55, 0.3);
    
    /* Text colors */
    --text-primary: #ffffff;
    --text-secondary: var(--color-gray-400);
    --text-tertiary: var(--color-gray-500);
    --text-inverse: var(--color-gray-900);
    
    /* Border colors */
    --border-primary: var(--color-gray-700);
    --border-secondary: var(--color-gray-800);
    --border-hover: var(--color-gray-600);
    
    /* Accent colors */
    --accent-blue: var(--color-blue-400);
    --accent-green: var(--color-green-400);
    --accent-yellow: var(--color-yellow-400);
    --accent-red: var(--color-red-400);
    --accent-purple: var(--color-purple-400);
    --accent-cyan: var(--color-cyan-400);
    
    /* Gradient colors */
    --gradient-from: var(--color-blue-600);
    --gradient-to: var(--color-purple-600);
    --gradient-text-from: #ffffff;
    --gradient-text-to: var(--color-gray-400);
}

/* Light theme */
[data-theme="light"] {
    /* Primary colors */
    --primary: var(--color-blue-600);
    --primary-hover: var(--color-blue-700);
    --primary-light: var(--color-blue-500);
    --primary-dark: var(--color-blue-800);
    
    /* Background colors */
    --bg-base: #ffffff;
    --bg-surface: var(--color-gray-50);
    --bg-surface-hover: var(--color-gray-100);
    --bg-elevated: #ffffff;
    --bg-elevated-hover: var(--color-gray-50);
    --bg-nav: rgba(255, 255, 255, 0.95);
    --bg-card: #ffffff;
    --bg-card-hover: var(--color-gray-50);
    --bg-section-alt: var(--color-gray-50);
    
    /* Text colors */
    --text-primary: var(--color-gray-900);
    --text-secondary: var(--color-gray-600);
    --text-tertiary: var(--color-gray-500);
    --text-inverse: #ffffff;
    
    /* Border colors */
    --border-primary: var(--color-gray-200);
    --border-secondary: var(--color-gray-100);
    --border-hover: var(--color-gray-300);
    
    /* Accent colors */
    --accent-blue: var(--color-blue-600);
    --accent-green: var(--color-green-500);
    --accent-yellow: var(--color-yellow-400);
    --accent-red: var(--color-red-400);
    --accent-purple: var(--color-purple-600);
    --accent-cyan: var(--color-cyan-400);
    
    /* Gradient colors */
    --gradient-from: var(--color-blue-500);
    --gradient-to: var(--color-purple-600);
    --gradient-text-from: var(--color-gray-900);
    --gradient-text-to: var(--color-gray-600);
}

/* Base styles */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
}

/* Custom utility classes */
.bg-surface {
    background-color: var(--bg-surface);
}

.bg-surface-hover:hover {
    background-color: var(--bg-surface-hover);
}

.bg-elevated {
    background-color: var(--bg-elevated);
}

.bg-elevated-hover:hover {
    background-color: var(--bg-elevated-hover);
}

.bg-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-primary);
}

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

.bg-section-alt {
    background-color: var(--bg-section-alt);
}

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

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

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

.border-primary {
    border-color: var(--border-primary);
}

.border-secondary {
    border-color: var(--border-secondary);
}

/* Navigation specific */
nav {
    background-color: var(--bg-nav);
    border-bottom-color: var(--border-primary);
    /* Ensure nav and its dropdowns sit above decorative layers */
    z-index: 1000;
}

/* Button styles */
.btn-primary {
    background-color: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--border-hover);
    background-color: var(--bg-surface);
    transform: translateY(-1px);
}

.btn-white {
    background-color: white;
    color: var(--primary);
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-white:hover {
    background-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

/* Gradient backgrounds */
.gradient-primary {
    background: linear-gradient(135deg, var(--gradient-from) 0%, var(--gradient-to) 100%);
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-text-from) 0%, var(--gradient-text-to) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Card styles */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.card:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Pricing card styles */
.pricing-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .pricing-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.pricing-card-featured {
    background: linear-gradient(135deg, var(--gradient-from) 0%, var(--gradient-to) 100%);
    border: 2px solid var(--primary);
    color: white;
    transform: scale(1.05);
}

[data-theme="light"] .pricing-card-featured {
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
}

.pricing-card-featured h3,
.pricing-card-featured p,
.pricing-card-featured .price-amount,
.pricing-card-featured .price-period,
.pricing-card-featured li {
    color: white !important;
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
}

.price-amount {
    font-size: 3rem;
    font-weight: bold;
    color: var(--text-primary);
}

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

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.pricing-features li {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.pricing-features li.disabled {
    color: var(--text-tertiary);
    text-decoration: line-through;
    opacity: 0.5;
}

/* Accent colors */
.accent-blue { color: var(--accent-blue); }
.accent-green { color: var(--accent-green); }
.accent-yellow { color: var(--accent-yellow); }
.accent-red { color: var(--accent-red); }
.accent-purple { color: var(--accent-purple); }
.accent-cyan { color: var(--accent-cyan); }

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 5px;
}

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

/* Animated gradient background */
.hero-gradient {
    background: linear-gradient(135deg, var(--gradient-from) 0%, var(--gradient-to) 100%);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Glow effect */
.glow {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

[data-theme="light"] .glow {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.glow:hover {
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.7);
}

[data-theme="light"] .glow:hover {
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.4);
}

/* Floating animation */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.float-animation {
    animation: float 6s ease-in-out infinite;
    /* Ensure decorative floating elements never block interactions (e.g., dropdown menu) */
    pointer-events: none;
}

/* Pulse animation for buttons */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(59, 130, 246, 0); }
    100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

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

/* Card hover effects */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
}

/* Backdrop blur support */
@supports (backdrop-filter: blur(10px)) {
    nav {
        backdrop-filter: blur(10px);
    }
}

/* FAQ Section Styles */
.faq-container {
    max-width: 100%;
}

/* FAQ Category Tabs */
.faq-tab {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-primary);
    position: relative;
    overflow: hidden;
}

.faq-tab:hover {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.faq-tab.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

.faq-tab.active:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

/* FAQ Categories */
.faq-category {
    display: none;
}

.faq-category.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* FAQ Items */
.faq-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 0.75rem;
    margin-bottom: 0.5rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--border-hover);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .faq-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* FAQ Question Button */
.faq-question {
    width: 100%;
    padding: 1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: all 0.2s ease;
    color: var(--text-primary);
}

.faq-question:hover {
    background-color: var(--bg-surface-hover);
}

.faq-question span {
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.5;
    flex: 1;
    padding-right: 1rem;
}

/* FAQ Icon */
.faq-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: var(--text-secondary);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: var(--primary);
}

/* FAQ Answer */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: var(--bg-surface);
}

.faq-answer p {
    padding: 0 1.25rem 1.25rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    transition: max-height 0.4s ease-in;
}

/* Light theme adjustments */
[data-theme="light"] .faq-item {
    background-color: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .faq-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .faq-answer {
    background-color: var(--color-gray-50);
}

/* Mobile responsiveness for FAQ */
@media (max-width: 640px) {
    .faq-tab {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .faq-question {
        padding: 0.875rem 1rem;
    }
    
    .faq-question span {
        font-size: 0.9rem;
    }
    
    .faq-answer p {
        padding: 0 1rem 1rem 1rem;
        font-size: 0.85rem;
    }
}

/* Typing animation */
@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    50% { border-color: transparent; }
}

.typing-animation {
    overflow: hidden;
    border-right: 3px solid;
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink 0.75s step-end infinite;
}

/* Loading spinner */
.spinner {
    border: 3px solid var(--bg-surface);
    border-radius: 50%;
    border-top: 3px solid var(--primary);
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Mobile menu styles */
.mobile-menu {
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
}

.mobile-menu.active {
    transform: translateX(0);
}

/* Feature grid animation */
.feature-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Testimonial carousel */
.testimonial-card {
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Code block styles */
.code-block {
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Monaco', 'Courier New', monospace;
    overflow-x: auto;
}

/* Focus styles for accessibility */
a:focus,
button:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-gradient {
        background-size: 200% 200%;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .feature-card {
        animation-delay: 0s !important;
    }
}