/* Demo page layout */
.demo-page {
    padding: 2rem 0 0;
}

.demo-hero {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2rem;
    padding: 0 20px;
}

.demo-hero h1 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.demo-hero .subtitle {
    font-size: 1.1rem;
    color: #6b7280;
    margin-bottom: 1.5rem;
}

.demo-hero .demo-intro {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.demo-hero .version-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #f8fafc;
    border: 1px solid #e1e5e9;
    border-radius: 6px;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.version-badge .label {
    font-weight: 600;
    color: #374151;
}

.version-badge .value {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    color: #6b7280;
}

.version-badge.conservative {
    border-color: #fbbf24;
    background: #fffbeb;
}

.version-badge.permissive {
    border-color: #34d399;
    background: #ecfdf5;
}

/* Terminal container */
.terminal-container {
    max-width: 960px;
    margin: 0 auto 3rem;
    padding: 0 20px;
}

/* Act navigation tabs — hidden, single continuous stream used instead */
.act-tabs {
    display: none;
}

.act-tab {
    padding: 0.7rem 1.2rem;
    background: transparent;
    border: none;
    color: #6c7086;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.8rem;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.2s, background 0.2s;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.act-tab:hover {
    color: #cdd6f4;
    background: #313244;
}

.act-tab.active {
    color: #89b4fa;
    border-bottom-color: #89b4fa;
    background: #181825;
}

.act-tab .tab-num {
    color: #89b4fa;
    margin-right: 0.3rem;
}

.act-tab.active .tab-num {
    color: #89dceb;
}

/* Terminal window */
.terminal {
    background: #1e1e2e;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    position: relative;
}

/* Terminal toolbar */
.terminal-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    background: #181825;
    border-bottom: 1px solid #313244;
}

.terminal-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.terminal-btn {
    background: #313244;
    border: 1px solid #45475a;
    color: #cdd6f4;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.75rem;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.terminal-btn:hover {
    background: #45475a;
    border-color: #585b70;
}

.terminal-btn.playing {
    background: #1e3a2f;
    border-color: #a6e3a1;
    color: #a6e3a1;
}

.speed-control {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.speed-control label {
    color: #6c7086;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.7rem;
}

.speed-slider {
    width: 60px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: #313244;
    border-radius: 2px;
    outline: none;
}

.speed-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #89b4fa;
    cursor: pointer;
}

.speed-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #89b4fa;
    cursor: pointer;
    border: none;
}

.terminal-status {
    color: #6c7086;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.7rem;
}

/* Terminal output area — expands to full content, no internal scroll cap */
.terminal-output {
    padding: 1rem 1.5rem 2rem;
    overflow: visible;
}

/* Scrollbar */
.terminal-output::-webkit-scrollbar {
    width: 8px;
}

.terminal-output::-webkit-scrollbar-track {
    background: #1e1e2e;
}

.terminal-output::-webkit-scrollbar-thumb {
    background: #45475a;
    border-radius: 4px;
}

.terminal-output::-webkit-scrollbar-thumb:hover {
    background: #585b70;
}

/* Terminal lines */
.term-line {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
    font-size: 0.82rem;
    line-height: 1.5;
    white-space: pre;
    color: #cdd6f4;
    opacity: 0;
    transform: translateY(2px);
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.term-line.visible {
    opacity: 1;
    transform: translateY(0);
}

.term-line.instant {
    transition: none;
}

/* Line type coloring */
.term-line.line-header {
    color: #89b4fa;
    font-weight: bold;
}

.term-line.line-section {
    color: #89dceb;
}

.term-line.line-ok {
    color: #a6e3a1;
}

.term-line.line-fail {
    color: #f38ba8;
}

.term-line.line-warn {
    color: #f9e2af;
}

.term-line.line-diff-add {
    color: #a6e3a1;
}

.term-line.line-diff-remove {
    color: #f38ba8;
}

.term-line.line-highlight {
    color: #cba6f7;
}

.term-line.line-dimmed {
    color: #6c7086;
}

.term-line.line-table-header {
    color: #89dceb;
}

.term-line.line-divergent {
    color: #f9e2af;
    font-weight: bold;
}

.term-line.line-box {
    color: #9399b2;
}

.term-line .hash {
    color: #6c7086;
}

/* Cursor */
.cursor {
    display: inline-block;
    width: 8px;
    height: 1.1em;
    background: #cdd6f4;
    vertical-align: text-bottom;
    animation: blink 1s step-end infinite;
}

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

/* Key moment callout */
.key-moment {
    max-width: 960px;
    margin: 0 auto 3rem;
    padding: 0 20px;
}

.key-moment-card {
    background: linear-gradient(135deg, #fefce8 0%, #fff7ed 100%);
    border: 1px solid #fbbf24;
    border-radius: 8px;
    padding: 1.5rem 2rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.key-moment-card .icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.key-moment-card h3 {
    margin-bottom: 0.5rem;
    color: #92400e;
    font-size: 1.1rem;
}

.key-moment-card p {
    color: #78350f;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.key-moment-card code {
    background: rgba(146, 64, 14, 0.1);
    color: #92400e;
    font-size: 0.85rem;
}

/* How it works section */
.demo-explanation {
    max-width: 960px;
    margin: 0 auto 3rem;
    padding: 0 20px;
}

.demo-explanation h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: #fff;
    border: 1px solid #e1e5e9;
    border-radius: 8px;
    padding: 1.5rem;
}

.feature-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.feature-card p {
    font-size: 0.9rem;
    color: #6b7280;
    margin-bottom: 0;
}

.feature-card .act-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #89b4fa;
    margin-bottom: 0.5rem;
}

/* CTA section */
.demo-cta {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
    padding: 0 20px;
}

.demo-cta h2 {
    margin-bottom: 1rem;
}

.demo-cta p {
    color: #6b7280;
    margin-bottom: 1.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    padding: 0.6rem 1.5rem;
}

.btn-outline {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: transparent;
    color: #2563eb;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    border: 1px solid #2563eb;
    transition: background-color 0.2s, color 0.2s;
}

.btn-outline:hover {
    background: #2563eb;
    color: #fff;
    text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
    .demo-hero h1 {
        font-size: 1.6rem;
    }

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

    .act-tabs {
        border-radius: 0;
    }

    .act-tab {
        padding: 0.5rem 0.8rem;
        font-size: 0.7rem;
    }

    .terminal {
        border-radius: 0;
    }

    .terminal-output {
        padding: 0.75rem 1rem;
        min-height: 400px;
        max-height: 500px;
    }

    .term-line {
        font-size: 0.7rem;
    }

    .terminal-toolbar {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

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

    .key-moment-card {
        flex-direction: column;
        gap: 0.75rem;
    }
}

@media (max-width: 480px) {
    .terminal-container {
        padding: 0;
    }

    .act-tabs {
        justify-content: flex-start;
    }
}

/* ─── Scenario Card ─── */
.demo-scenario {
    max-width: 720px;
    margin: 1.5rem auto 0;
    padding: 0 1rem;
}

.scenario-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 1.75rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.scenario-header {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.scenario-icon {
    font-size: 1.6rem;
    line-height: 1;
    flex-shrink: 0;
}

.scenario-header h2 {
    font-size: 1.1rem;
    margin: 0 0 0.2rem;
    color: #1f2937;
}

.scenario-header p {
    font-size: 0.9rem;
    color: #6b7280;
    margin: 0;
}

.scenario-message {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: #f9fafb;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
}

.msg-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: #9ca3af;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.msg-bubble {
    font-size: 0.95rem;
    color: #374151;
    font-style: italic;
}

.scenario-responses {
    display: flex;
    align-items: stretch;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.scenario-response {
    flex: 1;
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.scenario-response.v1 {
    background: #fffbeb;
    border: 1px solid #fbbf24;
}

.scenario-response.v2 {
    background: #f0fdf4;
    border: 1px solid #34d399;
}

.response-badge {
    font-size: 0.72rem;
    font-weight: 700;
    font-family: monospace;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.v1 .response-badge { color: #b45309; }
.v2 .response-badge { color: #065f46; }

.response-icon {
    font-size: 1.3rem;
}

.response-action {
    font-weight: 600;
    font-size: 0.95rem;
}

.v1 .response-action { color: #92400e; }
.v2 .response-action { color: #064e3b; }

.response-reason {
    font-size: 0.8rem;
    color: #6b7280;
    font-family: monospace;
}

.scenario-vs {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: #9ca3af;
    font-weight: 600;
    padding: 0 0.25rem;
    flex-shrink: 0;
}

.scenario-footer {
    font-size: 0.875rem;
    color: #4b5563;
    line-height: 1.6;
    border-top: 1px solid #e5e7eb;
    padding-top: 1rem;
}

.demo-intro {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1.25rem auto 0;
    flex-wrap: wrap;
    max-width: 720px;
    padding: 0 1rem;
}

@media (max-width: 600px) {
    .scenario-responses {
        flex-direction: column;
    }

    .scenario-vs {
        justify-content: center;
    }
}

/* ─── Works With Your Stack ─── */
.demo-compat {
    max-width: 960px;
    margin: 0 auto 3rem;
    padding: 0 20px;
    text-align: center;
}

.demo-compat h2 {
    font-size: 1.5rem;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.compat-subtitle {
    color: #6b7280;
    font-size: 0.95rem;
    max-width: 580px;
    margin: 0 auto 1.5rem;
    line-height: 1.6;
}

.compat-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
    margin-bottom: 1.75rem;
}

.compat-chip {
    padding: 0.35rem 0.9rem;
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    border-radius: 999px;
    font-size: 0.85rem;
    color: #374151;
    font-weight: 500;
}

.compat-code {
    background: #1e1e2e;
    border-radius: 8px;
    text-align: left;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.compat-code .code-bar {
    background: #181825;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    border-bottom: 1px solid #313244;
}

.compat-code .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.compat-code .dot.r { background: #f38ba8; }
.compat-code .dot.y { background: #f9e2af; }
.compat-code .dot.g { background: #a6e3a1; }

.compat-code .fname {
    font-size: 0.75rem;
    color: #6c7086;
    font-family: monospace;
    margin-left: 0.25rem;
}

.compat-code pre {
    margin: 0;
    padding: 1.25rem 1.5rem;
    overflow-x: auto;
}

.compat-code code {
    color: #cdd6f4;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.8rem;
    line-height: 1.7;
}

.compat-code .c { color: #6c7086; }
.compat-code .k { color: #cba6f7; }
.compat-code .s { color: #a6e3a1; }

/* ─── Built for Production pillars ─── */
.demo-pillars {
    max-width: 960px;
    margin: 0 auto 3rem;
    padding: 0 20px;
    text-align: center;
}

.demo-pillars h2 {
    font-size: 1.5rem;
    color: #1f2937;
    margin-bottom: 1.5rem;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    text-align: left;
}

.pillar {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.pillar-icon { font-size: 1.4rem; }
.pillar-title { font-weight: 600; font-size: 0.95rem; color: #1f2937; }
.pillar-desc { font-size: 0.85rem; color: #6b7280; line-height: 1.5; }

@media (max-width: 768px) {
    .pillars-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .pillars-grid { grid-template-columns: 1fr; }
    .compat-chips { gap: 0.4rem; }
}