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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: #444;
    background: #fafafa;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 60px 24px;
}

/* Header */
header {
    margin-bottom: 48px;
    text-align: center;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.tagline {
    font-size: 1.25rem;
    color: #666;
    font-style: italic;
}

/* Main content */
main {
    background: #fff;
    border-radius: 12px;
    padding: 48px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

section {
    margin-bottom: 40px;
}

section:last-child {
    margin-bottom: 0;
}

h2 {
    font-size: 1.5rem;
    color: #1a1a1a;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid #f0f0f0;
}

p {
    margin-bottom: 16px;
}

/* Blockquotes */
blockquote {
    padding: 16px 24px;
    border-radius: 8px;
    margin: 20px 0;
    font-style: italic;
}

blockquote.bad {
    background: #fff5f5;
    border-left: 4px solid #e53935;
    color: #c62828;
}

/* Timeline */
.timeline {
    margin: 24px 0;
    padding: 20px;
    border-radius: 8px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.9rem;
}

.bad-timeline {
    background: linear-gradient(to bottom, #fff5f5, #ffebee);
    border: 1px solid #ffcdd2;
}

.good-timeline {
    background: linear-gradient(to bottom, #f1f8e9, #e8f5e9);
    border: 1px solid #c8e6c9;
}

.event {
    padding: 8px 0;
    border-bottom: 1px dashed rgba(0, 0, 0, 0.1);
}

.event:last-child {
    border-bottom: none;
}

.time {
    display: inline-block;
    width: 50px;
    font-weight: 600;
    color: #666;
}

/* Punchlines */
.punchline {
    font-size: 1.1rem;
    font-weight: 600;
    color: #c62828;
    text-align: center;
    margin-top: 20px;
}

.win {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2e7d32;
    text-align: center;
    margin-top: 20px;
}

/* Lists */
ul {
    margin: 16px 0;
    padding-left: 24px;
}

li {
    margin-bottom: 12px;
}

/* Flowchart */
.flowchart {
    list-style: none;
    padding-left: 0;
}

.flowchart li {
    padding: 12px 16px;
    background: #f5f5f5;
    border-radius: 6px;
    margin-bottom: 8px;
}

.arrow {
    color: #2196f3;
    font-weight: bold;
    margin: 0 8px;
}

/* Response suggestions */
.responses {
    list-style: none;
    padding-left: 0;
}

.responses li {
    padding: 12px 16px;
    background: #e3f2fd;
    border-radius: 6px;
    margin-bottom: 8px;
    font-style: italic;
}

.responses li:before {
    content: '"';
}

.responses li:after {
    content: '"';
}

.responses li:last-child {
    background: #fff3e0;
    font-style: normal;
}

.responses li:last-child:before,
.responses li:last-child:after {
    content: '';
}

/* CTA */
.cta {
    text-align: center;
    padding: 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    margin-top: 40px;
}

.cta h2 {
    color: #fff;
    border-bottom: none;
}

.summary {
    font-size: 1.2rem;
    color: #fff;
    line-height: 1.8;
    margin-bottom: 0;
}

/* Footer */
footer {
    margin-top: 48px;
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

footer a {
    color: #667eea;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.footer-note {
    margin-top: 12px;
    font-style: italic;
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 32px 16px;
    }

    h1 {
        font-size: 2.5rem;
    }

    main {
        padding: 24px;
    }

    .timeline {
        font-size: 0.8rem;
    }

    .time {
        display: block;
        margin-bottom: 4px;
    }
}