/* StillHere - CSS with Soul */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --text-light: #f1f5f9;
    --text-muted: #94a3b8;
    --border: #334155;
    --success: #10b981;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
}

/* Navigation */
.nav {
    gap: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    flex-shrink: 0;
}

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

.nav-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

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

/* Hero Section with Background Image */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: url('/static/images/overlayprice.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.hero .nav {
    position: relative;
    z-index: 10;
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem 5%;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 5;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: white;
    text-shadow: 0 4px 20px rgba(0,0,0,0.7);
}

.tagline {
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.7);
}

.subtitle {
    font-size: 1.1rem;
    color: white;
    margin-bottom: 2rem;
    max-width: 600px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.7);
}

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    border: 2px solid transparent;
}

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

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

.cta-button.secondary {
    background: var(--bg-card);
    color: var(--text-light);
    border-color: var(--border);
}

.cta-button.secondary:hover {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
}

/* Sections */
section {
    padding: 5rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.pricing-subtitle, .subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

/* How It Works */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step h3 {
    margin-bottom: 0.5rem;
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.pricing-card.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
}

.badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.price {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    word-wrap: break-word;
    line-height: 1.2;
}

.tier-description {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.features {
    list-style: none;
    margin-bottom: 2rem;
}

.features li {
    padding: 0.5rem 0;
    color: var(--text-muted);
}

.pricing-card .cta-button {
    width: 100%;
    text-align: center;
}

/* Testimonials */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary);
}

.quote {
    font-style: italic;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.author {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Mission */
.mission {
    text-align: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    border-radius: 16px;
    padding: 4rem 2rem;
}

.mission p {
    max-width: 700px;
    margin: 1rem auto;
    color: var(--text-muted);
}

.css-tagline {
    margin-top: 2rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.2rem;
}

/* Footer */
footer {
    background: var(--bg-card);
    padding: 3rem 5%;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--primary);
}

.footer-section p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    section {
        padding: 3rem 5%;
    }

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


/* ============================================================================
   ARTHUR INTELLIGENT CHAT INTERFACE
   ============================================================================ */

#arthur-chat-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 400px;
    height: 600px;
    background: rgba(15, 23, 42, 0.98);
    border: 2px solid var(--primary);
    border-radius: 20px;
    display: none;
    flex-direction: column;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

#arthur-chat-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
}

#arthur-chat-header h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--primary);
}

#arthur-chat-header p {
    margin: 0.5rem 0 0 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

#personality-indicator {
    display: none;
    margin-top: 0.5rem;
}

.personality-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.personality-badge .confidence {
    background: var(--primary);
    padding: 0.2rem 0.5rem;
    border-radius: 10px;
    font-weight: 600;
}

#arthur-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-message {
    display: flex;
    gap: 0.75rem;
    animation: fadeInUp 0.3s ease-out;
}

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

.arthur-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.message-content {
    max-width: 75%;
    padding: 1rem;
    border-radius: 12px;
    line-height: 1.6;
}

.arthur-message .message-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.user-message .message-content {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    margin-left: auto;
}

.typing-dots {
    display: flex;
    gap: 0.4rem;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: typingDot 1.4s infinite;
}

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

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

@keyframes typingDot {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
    30% { transform: translateY(-10px); opacity: 1; }
}

#arthur-chat-input-container {
    padding: 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 0.75rem;
}

#arthur-chat-input {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    color: var(--text-light);
    font-size: 0.95rem;
    resize: none;
    font-family: inherit;
}

#arthur-chat-input:focus {
    outline: none;
    border-color: var(--primary);
}

#send-arthur-message {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

#send-arthur-message:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

#start-arthur-chat {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: 60px;
    padding: 1.25rem 2rem;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
    transition: all 0.3s;
    z-index: 999;
}

#start-arthur-chat:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.6);
}

@media (max-width: 768px) {
    #arthur-chat-container {
        bottom: 0;
        right: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        border-radius: 0;
    }
    
    #start-arthur-chat {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        width: calc(100% - 2rem);
    }
}