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

body {
    font-family: 'Inter', sans-serif;
    background: #f8fafc;
    color: #1e293b;
    line-height: 1.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navegación */
nav {
    background: white;
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text .legal {
    color: #3b82f6;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: #475569;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: #3b82f6;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.2);
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 0.875rem;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 24px;
    line-height: 1.2;
}

.highlight {
    color: #3b82f6;
}

.hero p {
    font-size: 1.25rem;
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-primary {
    background: #3b82f6;
    color: white;
}

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    border: 1px solid #cbd5e1;
    color: #475569;
}

.btn-outline:hover {
    border-color: #3b82f6;
    color: #3b82f6;
}

/* Features */
.features {
    padding: 80px 0;
    background: white;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 48px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.feature-card {
    text-align: center;
    padding: 32px;
    background: #f8fafc;
    border-radius: 16px;
    transition: all 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.05);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    margin-bottom: 12px;
}

.feature-card p {
    color: #64748b;
}

/* Pricing */
.pricing {
    padding: 80px 0;
    background: #f1f5f9;
}

.pricing h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 48px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: 24px;
    padding: 32px;
    text-align: center;
    position: relative;
    transition: all 0.2s;
}

.pricing-card.featured {
    border: 2px solid #3b82f6;
    transform: scale(1.02);
}

.popular {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #3b82f6;
    color: white;
    padding: 4px 16px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: #64748b;
}

.pricing-card p {
    color: #64748b;
    margin-bottom: 24px;
}

.pricing-card ul {
    list-style: none;
    text-align: left;
    margin: 24px 0;
}

.pricing-card ul li {
    padding: 8px 0;
    color: #475569;
}

/* Footer */
footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 48px 0;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 24px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
}

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

/* Chat Page */
.chat-page {
    background: #f1f5f9;
}

.chat-main {
    height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.chat-container {
    width: 100%;
    max-width: 900px;
    height: 85vh;
    background: white;
    border-radius: 24px;
    box-shadow: 0 24px 48px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    padding: 20px 24px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.chat-header-info h2 {
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.chat-header-info p {
    font-size: 0.875rem;
    color: #64748b;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: #10b981;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    display: inline-block;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    display: flex;
    gap: 12px;
    max-width: 80%;
}

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

.message-content {
    padding: 12px 16px;
    border-radius: 16px;
    line-height: 1.5;
}

.message.bot .message-content {
    background: #f1f5f9;
    color: #1e293b;
}

.message.user .message-content {
    background: #3b82f6;
    color: white;
}

.chat-input-container {
    padding: 20px 24px;
    border-top: 1px solid #e2e8f0;
    background: white;
}

.chat-input-wrapper {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

textarea {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 24px;
    font-family: inherit;
    font-size: 1rem;
    resize: none;
    outline: none;
    transition: border-color 0.2s;
}

textarea:focus {
    border-color: #3b82f6;
}

.send-btn {
    width: 44px;
    height: 44px;
    background: #3b82f6;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    transition: background 0.2s;
}

.send-btn:hover {
    background: #2563eb;
}

.chat-info {
    text-align: center;
    font-size: 0.75rem;
    color: #94a3b8;
    margin-top: 12px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .message {
        max-width: 95%;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}