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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #1a1b1f;
    color: #e2e8f0;
    line-height: 1.6;
    padding: 40px 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 40px;
}

.title {
    font-size: 4rem;
    font-weight: 700;
    color: #cbd5e1;
    margin-bottom: 10px;
    letter-spacing: -2px;
}

.crossed-out {
    position: relative;
    text-decoration: none;
}

.crossed-out::after {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 4px;
    background-color: #e53e3e;
    transform: translateY(-50%);
}

.crossed-out-full {
    position: relative;
    text-decoration: none;
}

.crossed-out-full::after {
    content: '';
    position: absolute;
    left: 0;
    top: 60%;
    width: 100%;
    height: 4px;
    background-color: #e53e3e;
    transform: translateY(-50%);
}

.subtitle {
    font-size: 1.2rem;
    color: #94a3b8;
    margin-bottom: 60px;
    font-weight: 400;
}

.main-content {
    margin-top: 40px;
}

.main-text {
    font-size: 2.5rem;
    color: #e2e8f0;
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: -0.5px;
}

.main-text em {
    font-style: italic;
    color: #f1f5f9;
}

#typed-text {
    position: relative;
}

#typed-text::after {
    content: '|';
    animation: blink 1s infinite;
    color: #ffffff;
}

#title-typed-text {
    position: relative;
    min-height: 1.2em;
    display: inline-block;
}

#title-typed-text::after {
    content: '|';
    animation: blink 1s infinite;
    color: #1a1b1f;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Examples Section */
.examples-section {
    margin-top: 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.example-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 0;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.example-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-header {
    padding: 24px 32px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dont-do .card-header {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.05));
}

.do-this .card-header {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(22, 163, 74, 0.05));
}

.icon {
    font-size: 1.2rem;
}

.card-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #f1f5f9;
}

.chat-messages {
    padding: 24px 32px;
    background: rgba(0, 0, 0, 0.2);
}

.message {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.message:last-child {
    margin-bottom: 0;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ff0000, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    flex-shrink: 0;
}

.message-content {
    flex: 1;
}

.message-info {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.name {
    font-size: 0.875rem;
    font-weight: 600;
    color: #cbd5e1;
}

.time {
    font-size: 0.75rem;
    color: #64748b;
}

.text {
    font-size: 0.875rem;
    color: #e2e8f0;
    line-height: 1.4;
}

.explanation {
    padding: 24px 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.explanation p {
    margin-bottom: 16px;
    color: #cbd5e1;
    font-size: 0.9rem;
    line-height: 1.6;
}

.explanation p:last-child {
    margin-bottom: 0;
}

.explanation strong {
    color: #f1f5f9;
    font-weight: 600;
}

.bad-examples, .good-examples {
    margin-top: 20px;
}

.bad-examples ul, .good-examples ul {
    margin: 12px 0;
    padding-left: 20px;
}

.bad-examples li, .good-examples li {
    margin-bottom: 8px;
    color: #94a3b8;
    font-size: 0.85rem;
    line-height: 1.5;
}

.dont-do .bad-examples li {
    color: #fca5a5;
}

.do-this .good-examples li {
    color: #86efac;
}

/* Footer */
.footer {
    margin-top: 120px;
    background: #1a1b1f;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 40px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 80px;
}

.footer-brand {
    flex: 1;
    max-width: 400px;
}

.brand-info {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: #f1f5f9;
    background: linear-gradient(135deg, #ffffff, #e4e4e4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
}

.status-text {
    font-size: 0.85rem;
    color: #94a3b8;
}

.brand-description {
    color: #c9c9c9;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 32px;
}

.action-section {
    margin-top: 8px;
}

.tip-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(109, 106, 106, 0.1);
    border: 1px solid rgba(49, 49, 49, 0.2);
    border-radius: 8px;
    padding: 8px 12px;
    transition: all 0.3s ease;
}

.tip-badge:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(56, 56, 56, 0.3);
    transform: translateY(-1px);
}

.tip-icon {
    font-size: 1rem;
}

.tip-text {
    font-size: 0.85rem;
    color: #cbd5e1;
    font-weight: 500;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    flex: 0;
    max-width: 200px;
}

.link-column h4 {
    color: #f1f5f9;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.link-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.link-column li {
    margin-bottom: 12px;
}

.link-column a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.link-column a:hover {
    color: #cbd5e1;
}

.footer-bottom {
    border-top: 1px solid rgba(48, 48, 48, 0.08);
    padding: 24px 40px;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-bottom p {
    color: #cecece;
    font-size: 0.85rem;
    margin: 0;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 30px 20px;
    }
    
    .title {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .main-text {
        font-size: 1.8rem;
    }

    .examples-section {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 60px;
    }

    .card-header {
        padding: 20px 24px;
    }

    .chat-messages {
        padding: 20px 24px;
    }

    .explanation {
        padding: 20px 24px;
    }

    .footer {
        margin-top: 80px;
    }

    .footer-content {
        flex-direction: column;
        gap: 50px;
        padding: 40px 20px;
    }

    .brand-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        padding: 20px 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 20px 15px;
    }
    
    .title {
        font-size: 2rem;
        letter-spacing: -1px;
    }
    
    .subtitle {
        font-size: 0.9rem;
        margin-bottom: 40px;
    }
    
    .main-text {
        font-size: 1.5rem;
        line-height: 1.3;
    }
    
    .examples-section {
        margin-top: 50px;
        gap: 25px;
    }
    
    .card-header {
        padding: 16px 20px;
    }
    
    .card-header h3 {
        font-size: 1rem;
    }
    
    .chat-messages {
        padding: 16px 20px;
    }
    
    .explanation {
        padding: 16px 20px;
    }
    
    .message {
        margin-bottom: 12px;
    }
    
    .avatar {
        width: 28px;
        height: 28px;
        font-size: 0.7rem;
    }
    
    .name {
        font-size: 0.8rem;
    }
    
    .time {
        font-size: 0.7rem;
    }
    
    .text {
        font-size: 0.8rem;
    }
    
    .explanation p {
        font-size: 0.85rem;
    }
    
    .footer-content {
        padding: 30px 15px;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .action-section {
        margin-top: 16px;
    }
    
    .tip-badge {
        width: 100%;
        justify-content: center;
        padding: 10px 12px;
    }
    
    .tip-text {
        font-size: 0.8rem;
        text-align: center;
    }
    
    .footer-bottom {
        padding: 16px 15px;
    }
    
    .footer-bottom p {
        font-size: 0.8rem;
    }
}

/* Extra small mobile devices */
@media (max-width: 320px) {
    .title {
        font-size: 1.8rem;
    }
    
    .main-text {
        font-size: 1.3rem;
    }
    
    .container {
        padding: 15px 10px;
    }
    
    .footer-content {
        padding: 25px 10px;
    }
    
    .tip-badge {
        padding: 8px 10px;
    }
    
    .tip-text {
        font-size: 0.75rem;
    }
}