/* AI-Themed Landing Page Styles */

:root {
    /* AI Color Palette */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-cyan: #00ffff;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --neon-blue: #00e5ff;
    --dark-bg: #0a0a0f;
    --darker-bg: #050508;
    --card-bg: rgba(15, 15, 25, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --border-color: rgba(139, 92, 246, 0.3);

    /* Typography */
    --font-heading: 'Orbitron', monospace;
    --font-body: 'Exo 2', sans-serif;

    /* Spacing */
    --container-padding: 2rem;
    --section-spacing: 5rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Effects */
.neural-bg, .matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.matrix-bg {
    z-index: 0;
    opacity: 0.1;
}

.neural-bg {
    z-index: 1;
    opacity: 0.3;
}

/* Container */
.container {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

.status-indicator {
    position: absolute;
    top: 2rem;
    right: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
    animation: pulse 2s infinite;
}

.status-dot.offline {
    background: #ef4444;
    box-shadow: 0 0 10px #ef4444;
}

.hero-title {
    font-family: var(--font-heading);
    margin-bottom: 2rem;
}

.title-main {
    display: block;
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    background: var(--primary-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    animation: glow 3s ease-in-out infinite alternate;
}

.title-sub {
    display: block;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 400;
    color: var(--accent-cyan);
    letter-spacing: 0.2em;
}

.hero-subtitle {
    margin-bottom: 3rem;
    height: 2rem;
}

.typing-container {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.typing-text {
    border-right: 2px solid var(--accent-cyan);
    animation: typing 3s steps(40) infinite;
}

.cursor {
    animation: blink 1s infinite;
    color: var(--accent-cyan);
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Buttons */
.btn {
    position: relative;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
    z-index: 1;
}

.btn span {
    position: relative;
    z-index: 2;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-cyan);
    border: 2px solid var(--accent-cyan);
}

.btn-secondary:hover {
    background: var(--accent-cyan);
    color: var(--dark-bg);
    box-shadow: 0 0 20px var(--accent-cyan);
}

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

.btn-outline:hover {
    border-color: var(--accent-purple);
    color: var(--accent-purple);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover .btn-glow {
    left: 100%;
}

/* Sections */
section {
    margin: var(--section-spacing) 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: 3rem;
    background: var(--primary-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(30px);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-purple);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-family: var(--font-heading);
    color: var(--accent-cyan);
    margin-bottom: 1rem;
}

/* Demo Section */
.api-key-container {
    max-width: 600px;
    margin: 0 auto 3rem auto;
    text-align: center;
}

.api-key-input {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

#api-key-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    outline: none;
    transition: all 0.3s ease;
}

#api-key-input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.api-key-hint {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.api-key-hint code {
    background: rgba(139, 92, 246, 0.2);
    color: var(--accent-cyan);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
}

.demo-container {
    max-width: 800px;
    margin: 0 auto;
}

.chat-interface {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.chat-messages {
    height: 400px;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.ai-message .message-avatar {
    background: var(--primary-gradient);
}

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

.user-message .message-avatar {
    background: var(--accent-cyan);
    color: var(--dark-bg);
}

.message-content {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 1rem;
    max-width: 80%;
}

.user-message .message-content {
    background: rgba(0, 255, 255, 0.1);
}

.chat-input-container {
    display: flex;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    gap: 1rem;
}

#chat-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    outline: none;
    transition: all 0.3s ease;
}

#chat-input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.send-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-gradient);
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.send-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.typing-indicator {
    display: none;
    padding: 1rem 1.5rem;
    align-items: center;
    gap: 0.5rem;
}

.typing-indicator .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-cyan);
    animation: typing-dots 1.4s infinite ease-in-out;
}

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

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

/* Upload Section */
.upload-container {
    max-width: 600px;
    margin: 0 auto;
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent-cyan);
    background: rgba(0, 255, 255, 0.05);
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.upload-zone h3 {
    font-family: var(--font-heading);
    color: var(--accent-cyan);
    margin-bottom: 1rem;
}

.upload-progress {
    margin-top: 2rem;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    width: 0%;
    transition: width 0.3s ease;
}

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

/* API Documentation */
.api-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.api-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.api-card h3 {
    font-family: var(--font-heading);
    color: var(--accent-cyan);
    margin-bottom: 1rem;
}

.api-endpoint {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.method {
    padding: 0.3rem 0.8rem;
    border-radius: 5px;
    font-weight: 600;
    font-size: 0.8rem;
}

.method.post {
    background: var(--accent-pink);
    color: white;
}

.method.get {
    background: var(--accent-cyan);
    color: var(--dark-bg);
}

.url {
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
}

.api-example {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    padding: 1rem;
}

.api-example pre {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.docs-link {
    text-align: center;
}

/* Footer */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: var(--section-spacing);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-cyan);
}

/* Floating Icons */
.floating-icons {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
}

.floating-icon {
    position: absolute;
    font-size: 2rem;
    opacity: 0.3;
    animation: float 8s infinite ease-in-out;
    animation-delay: var(--delay);
}

.floating-icon:nth-child(1) { top: 20%; left: 10%; }
.floating-icon:nth-child(2) { top: 60%; right: 15%; }
.floating-icon:nth-child(3) { bottom: 30%; left: 20%; }
.floating-icon:nth-child(4) { top: 40%; right: 25%; }

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --section-spacing: 3rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .status-indicator {
        position: static;
        margin-bottom: 2rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

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

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

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent-purple);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}