/* ========================================
   Landing Page Styles
   GitHub-Inspired Design
   ======================================== */

/* Import base colors from main styles */
:root {
    /* GitHub Dark Theme Colors */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-overlay: #1c2128;
    
    /* Borders */
    --border-primary: #30363d;
    --border-secondary: #21262d;
    
    /* Text Colors */
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --text-tertiary: #6e7681;
    
    /* Accent Colors */
    --accent-blue: #58a6ff;
    --accent-green: #3fb950;
    --accent-purple: #bc8cff;
    --accent-orange: #f0883e;
    --accent-red: #f85149;
    --accent-yellow: #d29922;
    
    /* Glow Effects */
    --glow-blue: rgba(88, 166, 255, 0.4);
    --glow-purple: rgba(188, 140, 255, 0.4);
    --glow-green: rgba(63, 185, 80, 0.4);
    
    /* Spacing */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

a:hover {
    color: var(--accent-purple);
}

/* ========================================
   Particle Canvas Background
   ======================================== */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.4;
}

/* ========================================
   Container
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-primary);
    z-index: 1000;
    padding: 16px 0;
    animation: slideDown 0.5s ease-out;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
}

.glow-text {
    color: var(--accent-blue);
    text-shadow: 0 0 10px var(--glow-blue);
    animation: pulse 2s ease-in-out infinite;
}

.beta-badge {
    font-size: 11px;
    font-weight: 500;
    color: var(--accent-green);
    background: rgba(63, 185, 80, 0.1);
    border: 1px solid var(--accent-green);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:not(.btn-primary):hover {
    color: var(--accent-blue);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-large {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-primary {
    background: var(--accent-blue);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--accent-blue);
    box-shadow: 0 0 20px var(--glow-blue);
    transform: translateY(-2px);
    color: var(--bg-primary);
}

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

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


/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 80px;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 40px;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(88, 166, 255, 0.1);
    border: 1px solid rgba(88, 166, 255, 0.2);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.feature-badge:hover {
    background: rgba(88, 166, 255, 0.15);
    border-color: var(--accent-blue);
    transform: translateX(8px);
}

.feature-badge svg {
    color: var(--accent-green);
    flex-shrink: 0;
}

.hero-actions {
    display: flex;
    gap: 20px;
    align-items: center;
}

.btn-hero {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.btn-hero.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    border: none;
    box-shadow: 0 4px 20px rgba(88, 166, 255, 0.3);
}

.btn-hero.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(88, 166, 255, 0.4);
    color: white;
}

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

.btn-hero.btn-outline:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-2px);
}

/* Chat Preview */
.hero-visual {
    position: relative;
}

.chat-preview {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: floatChat 6s ease-in-out infinite;
}

.chat-header {
    background: var(--bg-tertiary);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--border-primary);
}

.chat-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.chat-info h3 {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.status {
    font-size: 12px;
    color: var(--accent-green);
    display: flex;
    align-items: center;
    gap: 6px;
}

.status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.chat-messages {
    padding: 20px;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    display: flex;
    gap: 12px;
    animation: messageSlide 0.5s ease-out;
}

.user-message {
    justify-content: flex-end;
}

.user-message .message-content {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    padding: 12px 16px;
    border-radius: 18px 18px 4px 18px;
    max-width: 80%;
}

.ai-message {
    justify-content: flex-start;
}

.ai-message .message-content {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: 18px 18px 18px 4px;
    max-width: 80%;
    border: 1px solid var(--border-primary);
}

.message-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.code-block {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    padding: 12px;
    margin-top: 8px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 13px;
}

.code-block code {
    color: var(--accent-purple);
}

.typing-indicator {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: 18px;
    max-width: 60px;
    margin-left: 44px;
}

.typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background: var(--accent-blue);
    border-radius: 50%;
    animation: typingDot 1.4s ease-in-out infinite;
}

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

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

.chat-input {
    padding: 20px;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-primary);
    display: flex;
    gap: 12px;
    align-items: center;
}

.chat-input input {
    flex: 1;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
}

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

.send-btn {
    background: var(--accent-blue);
    border: none;
    color: white;
    padding: 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.send-btn:hover {
    background: var(--accent-purple);
    transform: scale(1.05);
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding: 40px 0;
    border-top: 1px solid var(--border-primary);
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(88, 166, 255, 0.05);
    border: 1px solid rgba(88, 166, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(88, 166, 255, 0.1);
    border-color: var(--accent-blue);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 8px;
    text-shadow: 0 0 10px var(--glow-blue);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ========================================
   Section Styles
   ======================================== */
.section {
    padding: 80px 0;
}

.section-dark {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
    border-bottom: 1px solid var(--border-primary);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--accent-blue);
    text-shadow: 0 0 10px var(--glow-blue);
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   How It Works Section
   ======================================== */
.how-it-works-section {
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.03), rgba(188, 140, 255, 0.03));
    position: relative;
    overflow: hidden;
}

.how-it-works-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(88, 166, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(188, 140, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(88, 166, 255, 0.1);
    border: 1px solid rgba(88, 166, 255, 0.2);
    color: var(--accent-blue);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
}

.section-badge svg {
    color: var(--accent-blue);
}

.workflow-container {
    margin: 60px 0;
}

.workflow {
    display: flex;
    align-items: stretch;
    gap: 0;
    position: relative;
}

.workflow-step {
    flex: 1;
    display: flex;
    justify-content: center;
}

.step-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 0;
    width: 100%;
    max-width: 300px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.step-card:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 20px 40px rgba(88, 166, 255, 0.2);
    transform: translateY(-8px);
}

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

.step-header {
    background: var(--bg-tertiary);
    padding: 24px 24px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    box-shadow: 0 4px 15px rgba(88, 166, 255, 0.3);
    position: relative;
    z-index: 2;
}

.step-icon {
    color: var(--accent-purple);
    opacity: 0.7;
}

.step-content {
    padding: 24px;
}

.step-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 600;
}

.step-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.code-snippet {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin-bottom: 16px;
    position: relative;
}

.code-header {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.code-snippet code {
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 13px;
    color: var(--accent-green);
    font-weight: 500;
}

.step-highlight {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    padding: 8px 12px;
    background: rgba(88, 166, 255, 0.05);
    border: 1px solid rgba(88, 166, 255, 0.1);
    border-radius: var(--radius-sm);
}

.highlight-icon {
    font-size: 14px;
}

.workflow-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    margin: 0 20px;
    position: relative;
    z-index: 1;
}

.connector-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent-blue), var(--accent-purple));
    opacity: 0.3;
}

.connector-arrow {
    color: var(--accent-blue);
    margin-top: 10px;
    opacity: 0.6;
}

.workflow-summary {
    margin-top: 80px;
    display: flex;
    justify-content: center;
}

.summary-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    align-items: center;
    gap: 24px;
    max-width: 600px;
    transition: all 0.3s ease;
}

.summary-card:hover {
    border-color: var(--accent-green);
    box-shadow: 0 10px 30px rgba(63, 185, 80, 0.2);
    transform: translateY(-2px);
}

.summary-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.summary-content h3 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.summary-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Architecture Diagram */
.architecture-diagram {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-top: 60px;
}

.diagram-title {
    text-align: center;
    font-size: 24px;
    margin-bottom: 32px;
    color: var(--accent-green);
}

.architecture-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

.arch-layer {
    width: 100%;
    max-width: 600px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
}

.layer-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 16px;
}

.layer-components {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.component {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-primary);
}

.arch-arrow {
    font-size: 24px;
    color: var(--accent-blue);
}

/* ========================================
   API Cards
   ======================================== */
.api-providers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.api-card {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
    position: relative;
}

.api-card:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 0 30px var(--glow-blue);
    transform: translateY(-5px);
}

.api-card.recommended {
    border-color: var(--accent-green);
}

.card-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--accent-green);
    color: var(--bg-primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 0 15px var(--glow-green);
}

.api-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-primary);
}

.api-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    box-shadow: 0 0 20px var(--glow-blue);
}

.groq-icon {
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-red));
}

.openrouter-icon {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
}

.huggingface-icon {
    background: linear-gradient(135deg, var(--accent-yellow), var(--accent-orange));
}

.api-info h3 {
    font-size: 24px;
    margin-bottom: 4px;
}

.api-tagline {
    font-size: 14px;
    color: var(--text-tertiary);
}

.api-features {
    margin-bottom: 24px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.feature-item svg {
    color: var(--accent-green);
    flex-shrink: 0;
}

.api-setup-steps {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 24px;
}

.api-setup-steps h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--accent-blue);
}

.api-setup-steps ol {
    margin-left: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}

.api-setup-steps li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.api-setup-steps code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 12px;
    color: var(--accent-purple);
}

/* ========================================
   Comparison Table
   ======================================== */
.comparison-table {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 32px;
    overflow-x: auto;
}

.comparison-table h3 {
    font-size: 24px;
    margin-bottom: 24px;
    color: var(--accent-blue);
    text-align: center;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-primary);
}

.comparison-table th {
    background: var(--bg-secondary);
    color: var(--accent-blue);
    font-weight: 600;
}

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

.comparison-table .best {
    color: var(--accent-green);
    font-weight: 500;
}

/* ========================================
   Features Grid
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 0 20px var(--glow-blue);
    transform: translateY(-5px);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 0 15px var(--glow-blue);
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.1), rgba(188, 140, 255, 0.1));
    border-top: 1px solid var(--border-primary);
    border-bottom: 1px solid var(--border-primary);
}

.cta-content h2 {
    font-size: 42px;
    margin-bottom: 16px;
    color: var(--accent-blue);
    text-shadow: 0 0 10px var(--glow-blue);
}

.cta-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* ========================================
   Footer - DevLearn Style
   ======================================== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-primary);
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(88, 166, 255, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(188, 140, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

/* ========================================
   Footer Brand Section
   ======================================== */
.footer-brand {
    margin-bottom: 24px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 15px rgba(88, 166, 255, 0.3);
}

.brand-name {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.brand-tagline {
    font-size: 12px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    margin: 0;
}

.footer-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 400px;
}

/* Tech Section */
.tech-section {
    margin-bottom: 32px;
}

.tech-section h6 {
    font-size: 12px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    font-weight: 500;
}

.tech-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tech-icon {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    transition: all 0.3s ease;
}

.tech-icon:hover {
    border-color: var(--accent-blue);
    background: rgba(88, 166, 255, 0.05);
    transform: translateY(-2px);
}

.tech-label {
    font-size: 12px;
    color: var(--text-primary);
    font-weight: 500;
}

/* Instructor Section */
.instructor-section h6 {
    font-size: 12px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    font-weight: 500;
}

.instructor-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.instructor-card:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 4px 15px rgba(88, 166, 255, 0.1);
    transform: translateY(-2px);
}

.instructor-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(88, 166, 255, 0.3);
}

.instructor-info h5 {
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-weight: 600;
}

.instructor-info p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 0;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(88, 166, 255, 0.3);
}

/* ========================================
   Module Sections
   ======================================== */
.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.section-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 15px rgba(88, 166, 255, 0.3);
}

.section-header h4 {
    font-size: 18px;
    color: var(--text-primary);
    font-weight: 600;
    margin: 0;
}

.module-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.module-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    padding: 8px 0;
    border-radius: var(--radius-sm);
}

.module-list li:hover {
    color: var(--accent-blue);
    background: rgba(88, 166, 255, 0.05);
    padding-left: 8px;
}

.chevron {
    color: var(--accent-blue);
    font-weight: 600;
    font-size: 16px;
}


/* ========================================
   Footer Bottom
   ======================================== */
.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-primary);
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--text-tertiary);
    margin: 0;
}

/* ========================================
   Animations
   ======================================== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

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

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

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .workflow {
        flex-direction: column;
        gap: 40px;
    }
    
    .workflow-connector {
        transform: rotate(90deg);
        margin: 20px 0;
    }
    
    .connector-line {
        height: 2px;
        width: 60px;
    }
    
    .step-card {
        max-width: 400px;
    }
    
    .summary-card {
        flex-direction: column;
        text-align: center;
    }
    
    .nav-links {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 16px;
    }
    
    .btn-hero {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .chat-preview {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .chat-messages {
        min-height: 250px;
        padding: 16px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .api-providers {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .feature-badge {
        font-size: 13px;
        padding: 10px 14px;
    }
    
    .chat-header {
        padding: 16px;
    }
    
    .chat-messages {
        padding: 12px;
        min-height: 200px;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    .instructor-info {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 12px;
    }
    
    .instructor-avatar {
        width: 40px;
        height: 40px;
    }
    
    .instructor-details h5 {
        font-size: 15px;
    }
    
    .instructor-details p {
        font-size: 13px;
    }
    
    .instructor-social {
        justify-content: center;
    }
    
    .social-link {
        width: 28px;
        height: 28px;
    }
}

/* ========================================
   Footer Responsive Design
   ======================================== */
@media (max-width: 968px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-section:first-child {
        grid-column: 1 / -1;
        margin-bottom: 20px;
    }
    
    .footer-brand {
        text-align: center;
    }
    
    .footer-description {
        max-width: 100%;
        text-align: center;
    }
    
    .tech-icons,
    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 60px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-section:first-child {
        grid-column: 1;
        margin-bottom: 0;
    }
    
    .section-header {
        justify-content: center;
    }
    
    
    .tech-icons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .instructor-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
        gap: 8px;
    }
    
    .instructor-avatar {
        width: 36px;
        height: 36px;
    }
    
    .instructor-info h5 {
        font-size: 13px;
    }
    
    .instructor-info p {
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        gap: 24px;
    }
    
    .brand-name {
        font-size: 24px;
    }
    
    .footer-description {
        font-size: 14px;
    }
    
    .section-header h4 {
        font-size: 16px;
    }
    
    .module-list li {
        font-size: 13px;
        margin-bottom: 8px;
    }
    
    
    .tech-icon {
        padding: 6px 10px;
    }
    
    .tech-label {
        font-size: 11px;
    }
    
    .social-icon {
        width: 36px;
        height: 36px;
    }
}

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

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

@keyframes floatChat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-10px) rotate(1deg);
    }
    50% {
        transform: translateY(-5px) rotate(-1deg);
    }
    75% {
        transform: translateY(-8px) rotate(0.5deg);
    }
}

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

@keyframes typingDot {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

.workflow-step,
.api-card,
.feature-card {
    animation: fadeInUp 0.6s ease-out;
}