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

:root {
    /* Color Palette */
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --secondary: #7C3AED;
    --accent: #06B6D4;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;

    --bg-light: #F9FAFB;
    --bg-white: #FFFFFF;
    --text-dark: #1F2937;
    --text-gray: #6B7280;
    --text-light: #9CA3AF;

    --border-color: #E5E7EB;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-3d: 0 10px 30px rgba(79, 70, 229, 0.3);

    /* Transitions */
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==================== Navigation ==================== */
.navbar {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
}

.logo-icon {
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

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

/* ==================== Buttons ==================== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

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

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

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

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-3d {
    box-shadow: var(--shadow-3d);
    transform: perspective(500px) rotateX(0deg);
}

.btn-3d:hover {
    transform: perspective(500px) rotateX(5deg) translateY(-5px);
}

/* ==================== Hero Section ==================== */
.hero {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,101.3C1248,85,1344,75,1392,69.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.hero-visual {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: white;
    color: var(--text-dark);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: float 3s ease-in-out infinite;
}

.floating-card.delay-1 {
    animation-delay: 0.5s;
    top: 30%;
    right: 10%;
}

.floating-card.delay-2 {
    animation-delay: 1s;
    bottom: 20%;
    left: 20%;
}

.card-icon {
    font-size: 2rem;
}

.card-text {
    font-weight: 600;
}

/* ==================== Animations ==================== */
@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.animate-fade-in {
    animation: fade-in 0.8s ease-out;
}

.animate-fade-in-delay {
    animation: fade-in 0.8s ease-out 0.3s backwards;
}

.animate-fade-in-delay-2 {
    animation: fade-in 0.8s ease-out 0.6s backwards;
}

/* ==================== Sections ==================== */
.section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
}

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

.bg-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.text-white {
    color: white;
}

/* ==================== Cards ==================== */
.card-3d {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    transform: perspective(1000px) rotateX(0deg) rotateY(0deg);
}

.card-hover:hover {
    transform: perspective(1000px) rotateX(2deg) rotateY(2deg) translateY(-10px);
    box-shadow: var(--shadow-xl);
}

/* ==================== Grid Layouts ==================== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

/* ==================== Feature Cards ==================== */
.feature-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-icon.problem {
    filter: grayscale(50%);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-gray);
}

/* ==================== Steps ==================== */
.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.step-card {
    flex: 1;
    min-width: 250px;
    background: white;
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-3d);
}

.step-content h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.step-content p {
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
}

.step-visual {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: 8px;
    text-align: center;
}

.speech-bubble {
    background: white;
    padding: var(--spacing-sm);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    font-style: italic;
    color: var(--text-gray);
}

.loading-dots {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.loading-dots span {
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.loading-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes bounce {

    0%,
    80%,
    100% {
        transform: scale(0);
    }

    40% {
        transform: scale(1);
    }
}

.confidence-badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    display: inline-block;
}

.confidence-badge.high {
    background: var(--success);
    color: white;
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary);
    font-weight: bold;
}

/* ==================== Benefits ==================== */
.benefit-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.benefit-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    color: white;
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.benefit-card p {
    color: rgba(255, 255, 255, 0.9);
}

/* ==================== CTA Section ==================== */
.cta-section {
    background: var(--bg-light);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.cta-text {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
}

/* ==================== Assistant Page ==================== */
.assistant-section {
    min-height: 80vh;
}

.assistant-container {
    max-width: 900px;
    margin: 0 auto;
}

.assistant-input-section {
    margin-bottom: var(--spacing-xl);
}

.assistant-input-section h2 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.helper-text {
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
}

.conversation-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: var(--transition);
}

.conversation-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.quick-examples {
    margin: var(--spacing-md) 0;
}

.examples-label {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.example-chips {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.example-chip {
    padding: 0.5rem 1rem;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.example-chip:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

#analyzeBtn {
    width: 100%;
    margin-top: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* Response Section */
.response-card {
    margin-top: var(--spacing-xl);
}

.confidence-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.confidence-label {
    font-weight: 600;
    color: var(--text-gray);
}

.confidence-badge.medium {
    background: var(--warning);
    color: white;
}

.confidence-badge.low {
    background: var(--text-light);
    color: white;
}

.response-category {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm);
    background: var(--bg-light);
    border-radius: 8px;
    width: fit-content;
}

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

.response-block {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary);
}

.response-heading {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.response-content {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.response-content.explanation {
    font-style: italic;
    color: var(--text-gray);
}

.copy-btn {
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.copy-btn:hover {
    background: var(--primary-dark);
}

.response-meta {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: 8px;
}

.meta-label {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-xs);
}

.meta-value {
    color: var(--text-dark);
    font-weight: 500;
}

.response-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* Loading Section */
.loading-section {
    text-align: center;
    padding: var(--spacing-2xl);
}

.loading-card {
    max-width: 400px;
    margin: 0 auto;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

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

.loading-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.loading-subtext {
    color: var(--text-gray);
}

/* Error Section */
.error-section {
    text-align: center;
    padding: var(--spacing-2xl);
}

.error-card {
    max-width: 400px;
    margin: 0 auto;
}

.error-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.error-message {
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
}

/* Tips Section */
.tips-section {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: 12px;
}

.tips-section h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.tip-card {
    padding: var(--spacing-md);
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.tip-card strong {
    color: var(--primary);
}

/* ==================== Knowledge Page ==================== */
.knowledge-search {
    position: relative;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.search-input {
    width: 100%;
    padding: var(--spacing-md);
    padding-right: 50px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 1rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.search-icon {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
}

.category-tabs {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.category-tab {
    padding: 0.75rem 1.5rem;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

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

.knowledge-category {
    margin-bottom: var(--spacing-2xl);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 2rem;
    color: var(--text-dark);
}

.faq-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.faq-card {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.faq-question h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.faq-answer {
    display: none;
    margin-top: var(--spacing-md);
}

.faq-card.expanded .faq-answer {
    display: block;
}

.answer-section {
    margin-bottom: var(--spacing-md);
}

.answer-section h4 {
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.explanation-section {
    background: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.simple-explanation {
    font-style: italic;
    color: var(--text-gray);
}

.expand-btn {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--bg-light);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    transition: var(--transition);
    margin-top: var(--spacing-md);
}

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

.no-results {
    text-align: center;
    padding: var(--spacing-2xl);
}

.no-results-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.quick-reference {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--bg-light);
    border-radius: 12px;
}

.quick-reference h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-dark);
}

.reference-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.reference-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.reference-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

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

.reference-card li {
    padding: var(--spacing-xs) 0;
    color: var(--text-gray);
    position: relative;
    padding-left: 20px;
}

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

.knowledge-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    color: white;
}

.knowledge-cta h2 {
    margin-bottom: var(--spacing-sm);
}

.knowledge-cta p {
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

/* ==================== About Page ==================== */
.about-hero {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

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

.stat-card {
    text-align: center;
    padding: var(--spacing-xl);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    color: var(--text-gray);
    font-size: 1.1rem;
}

.stat-icon {
    font-size: 3rem;
    margin-top: var(--spacing-md);
}

.problem-explanation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.explanation-content h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    font-size: 1.75rem;
}

.problem-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.problem-list li {
    padding: var(--spacing-sm) 0;
    padding-left: 30px;
    position: relative;
}

.problem-list li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
}

.timeline-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.timeline-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-icon {
    font-size: 2rem;
}

.timeline-content {
    flex: 1;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.solution-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.solution-number {
    width: 50px;
    height: 50px;
    background: white;
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
}

.solution-card h3 {
    margin-bottom: var(--spacing-sm);
}

.solution-benefit {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
}

.impact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.impact-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 12px;
}

.impact-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.impact-icon {
    font-size: 2rem;
}

.impact-metric {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    color: var(--text-gray);
    font-weight: 600;
}

.impact-story {
    color: var(--text-gray);
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.impact-results {
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: 8px;
}

.result-item {
    padding: var(--spacing-xs) 0;
    color: var(--text-gray);
}

.future-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.future-text {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.future-cta {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.future-cta h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.cta-subtext {
    margin-top: var(--spacing-md);
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* ==================== Footer ==================== */
.footer {
    background: var(--text-dark);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* ==================== Responsive Design ==================== */
@media (max-width: 1024px) {

    .grid-3,
    .stats-grid,
    .impact-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .reference-grid,
    .solution-grid {
        grid-template-columns: 1fr;
    }
}

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

    .hero-visual {
        display: none;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .grid-2,
    .grid-3,
    .stats-grid,
    .impact-cards,
    .footer-content {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        gap: var(--spacing-sm);
    }

    .steps-container {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .problem-explanation {
        grid-template-columns: 1fr;
    }

    .tips-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .response-actions {
        flex-direction: column;
    }
}

/* ==================== Live Assistant Styles ==================== */
.live-dashboard {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.status-panel {
    padding: var(--spacing-xl);
}

.status-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
}

.status-header h2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
}

.status-icon {
    font-size: 2rem;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: var(--bg-light);
    border-radius: 20px;
}

.indicator-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-light);
}

.indicator-dot.active {
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.indicator-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-gray);
}

.control-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

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

.btn-danger:hover {
    background: #DC2626;
}

.transcript-section {
    margin-top: var(--spacing-lg);
}

.transcript-section h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.transcript-box {
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-md);
    min-height: 300px;
    max-height: 500px;
    overflow-y: auto;
    margin-bottom: var(--spacing-md);
}

.transcript-placeholder {
    color: var(--text-light);
    text-align: center;
    padding: var(--spacing-xl);
}

.transcript-entry {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border-radius: 6px;
    background: white;
    border-left: 3px solid var(--border-color);
}

.transcript-entry.customer {
    border-left-color: var(--primary);
}

.transcript-entry.ai {
    border-left-color: var(--accent);
    background: rgba(6, 182, 212, 0.05);
}

.transcript-time {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-right: var(--spacing-xs);
}

.transcript-speaker {
    font-weight: 600;
    color: var(--text-dark);
    margin-right: var(--spacing-xs);
}

.transcript-text {
    color: var(--text-gray);
}

.transcript-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.demo-input-container {
    position: sticky;
    bottom: 0;
    background: white;
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 2px dashed var(--primary);
    margin-top: var(--spacing-md);
}

.demo-label {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.demo-speech-input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.demo-speech-input:focus {
    outline: none;
    border-color: var(--primary);
}

.demo-hint {
    font-size: 0.85rem;
    color: var(--text-gray);
    font-style: italic;
}

/* Answer Display */
.answer-display {
    padding: var(--spacing-xl);
}

.answer-header {
    margin-bottom: var(--spacing-lg);
}

.answer-header h2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.detected-question {
    color: var(--text-gray);
    font-style: italic;
    font-size: 0.95rem;
}

.confidence-indicator-live {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: 8px;
}

.answer-content-live {
    margin-top: var(--spacing-lg);
}

.answer-block {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: 8px;
}

.answer-block h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.answer-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.explanation-block {
    background: rgba(124, 58, 237, 0.05);
    border-left: 4px solid var(--secondary);
}

.explanation-text {
    color: var(--text-gray);
    font-style: italic;
    line-height: 1.8;
}

.answer-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.pulse-animation {
    animation: pulse-scale 1s ease-out;
}

@keyframes pulse-scale {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.02);
    }
}

/* How It Works Live */
.how-it-works-live {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--bg-light);
    border-radius: 12px;
}

.how-it-works-live h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-dark);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.step-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.step-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.step-item h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.step-item p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Features Live */
.features-live {
    margin-top: var(--spacing-2xl);
}

.features-live h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-dark);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.feature-item {
    padding: var(--spacing-lg);
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-item h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.feature-item p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Demo Notice */
.demo-notice {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(124, 58, 237, 0.1));
    border-radius: 12px;
    border: 2px solid var(--primary);
    display: flex;
    gap: var(--spacing-lg);
}

.notice-icon {
    font-size: 3rem;
}

.notice-content h3 {
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.notice-content p {
    margin-bottom: var(--spacing-md);
    color: var(--text-gray);
}

.notice-content ul {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-gray);
}

.notice-content strong {
    color: var(--text-dark);
}

/* Notifications */
.notification {
    position: fixed;
    top: 100px;
    right: -300px;
    background: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-xl);
    z-index: 10000;
    transition: right 0.3s ease;
    max-width: 300px;
}

.notification.show {
    right: 20px;
}

.notification-success {
    border-left: 4px solid var(--success);
}

.notification-info {
    border-left: 4px solid var(--accent);
}

.notification-warning {
    border-left: 4px solid var(--warning);
}

/* Responsive for Live Assistant */
@media (max-width: 1024px) {
    .live-dashboard {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {

    .steps-grid,
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .demo-notice {
        flex-direction: column;
    }

    .answer-actions {
        flex-direction: column;
    }
}