/* ============================================
   CSS Variables & Reset
   ============================================ */

/* Skip Link - Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent);
    color: var(--bg-primary);
    padding: 8px 16px;
    z-index: 10000;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0 0 4px 0;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

:root {
    /* Colors - Dark Orange Theme */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #141414;
    --bg-card: #0d0d0d;
    --bg-card-hover: #1a1a1a;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    
    --accent: #f97316;
    --accent-hover: #ea580c;
    --accent-muted: rgba(249, 115, 22, 0.15);
    
    --border: #1f1f1f;
    --border-hover: #2a2a2a;
    
    --badge-bg: #1c1007;
    --badge-text: #fdba74;
    
    --success: #22c55e;
    --warning: #fbbf24;
    --error: #ef4444;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --container-max: 1200px;
    --section-padding: 80px;
    --card-padding: 24px;
    --card-radius: 12px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================
   Layout
   ============================================ */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: var(--section-padding) 0;
}

.section-alt {
    background-color: var(--bg-secondary);
}

.section-title {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 8px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* ============================================
   Header
   ============================================ */

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.logo:hover {
    color: var(--accent);
}

.role {
    font-size: 14px;
    color: var(--text-secondary);
}

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

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: width var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.email-link {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.email-link:hover {
    color: var(--accent);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 12px;
    cursor: pointer;
    background: none;
    border: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    z-index: 101;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav {
    display: none;
    flex-direction: column;
    padding: 16px 24px 24px;
    border-top: 1px solid var(--border);
    background-color: var(--bg-primary);
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav-link {
    padding: 12px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.mobile-nav-link:hover {
    color: var(--text-primary);
}

.mobile-nav-contact {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Force hide mobile nav on desktop */
@media (min-width: 769px) {
    .mobile-nav {
        display: none !important;
    }
    
    .hamburger {
        display: none !important;
    }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--accent);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-outline {
    border: 1px solid var(--border);
    color: var(--text-primary);
    background-color: transparent;
}

.btn-outline:hover {
    border-color: var(--border-hover);
    background-color: var(--bg-secondary);
}

.btn-small {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-large {
    padding: 14px 28px;
    font-size: 16px;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    padding: 60px 0;
}

.hero-headline {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 16px;
    max-width: 800px;
}

.hero-tagline {
    font-size: clamp(18px, 2vw, 22px);
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 700px;
}

/* ============================================
   Flagship Cards
   ============================================ */

.flagship-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.flagship-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.flagship-card:hover {
    border-color: var(--border-hover);
    background-color: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.card-lane {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.card-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
    flex-grow: 1;
}

.card-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 500;
    background-color: var(--badge-bg);
    color: var(--badge-text);
    border-radius: 4px;
}

.badge::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
    margin-right: 2px;
}

.badge-muted {
    opacity: 0.6;
    background-color: var(--bg-tertiary);
}

.badge-muted::before {
    content: '◷';
    color: var(--text-secondary);
}

.card-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ============================================
   Filter Chips
   ============================================ */

.filter-chips {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.chip {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: transparent;
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: all var(--transition-fast);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.chip:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.chip.active {
    background-color: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* Badge Legend */
.badge-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
    padding: 12px 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.badge-legend span {
    white-space: nowrap;
}

.badge-legend strong {
    color: var(--badge-text);
    font-weight: 600;
}

/* ============================================
   Projects Grid
   ============================================ */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.project-card.hidden {
    display: none;
}

.project-card .card-lane {
    color: var(--text-muted);
}

/* ============================================
   Proof Grid
   ============================================ */

.proof-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.proof-tile {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 20px;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: block;
}

.proof-tile:hover {
    border-color: var(--accent);
    transform: scale(1.02);
    background-color: var(--bg-card-hover);
}

.proof-icon {
    font-size: 24px;
    margin-bottom: 12px;
}

.proof-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.proof-description {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.proof-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent);
    margin-top: 12px;
}

/* ============================================
   Writing Grid
   ============================================ */

.writing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.writing-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.writing-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.writing-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.writing-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.writing-summary {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
    flex-grow: 1;
}

.writing-lesson {
    font-size: 13px;
    color: var(--text-muted);
    padding: 12px;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    margin-bottom: 16px;
}

.writing-lesson strong {
    color: var(--text-secondary);
}

.writing-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition-fast);
}

.writing-link:hover {
    gap: 8px;
}

/* ============================================
   Resume Section
   ============================================ */

.resume-content {
    max-width: 800px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.skill-category {
    background-color: var(--bg-tertiary);
    border-radius: var(--card-radius);
    padding: 20px;
}

.skill-category-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    font-size: 13px;
    color: var(--text-secondary);
    background-color: var(--bg-secondary);
    padding: 4px 10px;
    border-radius: 4px;
}

.experience-section {
    margin-bottom: 40px;
}

.experience-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.experience-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.experience-list li {
    font-size: 15px;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
}

.experience-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* ============================================
   Contact Section
   ============================================ */

.contact-content {
    max-width: 600px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-value {
    font-size: 15px;
    color: var(--text-primary);
}

.contact-value a {
    color: var(--accent);
    transition: color var(--transition-fast);
}

.contact-value a:hover {
    color: var(--accent-hover);
}

.contact-cta {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    padding: 16px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

@media (max-width: 640px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
    .flagship-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .flagship-grid .flagship-card:last-child {
        grid-column: span 2;
        max-width: 50%;
        justify-self: center;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .proof-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .writing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .nav {
        display: none;
    }
    
    .email-link {
        display: none;
    }
    
    .hamburger {
        display: flex !important;
        flex-direction: column;
        gap: 5px;
        align-items: center;
        justify-content: center;
    }
    
    .header-right .btn-outline {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: 40px 0 60px;
    }
    
    .flagship-grid {
        grid-template-columns: 1fr;
    }
    
    .flagship-grid .flagship-card:last-child {
        grid-column: auto;
        max-width: 100%;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .proof-grid {
        grid-template-columns: 1fr;
    }
    
    .writing-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .header-left {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }
    
    .role {
        font-size: 12px;
    }
    
    .card-buttons {
        flex-direction: column;
    }
    
    .card-buttons .btn {
        width: 100%;
    }
}

/* ============================================
   Focus States (Accessibility)
   ============================================ */

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.flagship-card,
.project-card,
.proof-tile,
.writing-card {
    animation: fadeInUp 0.5s ease forwards;
}

.flagship-card:nth-child(1) { animation-delay: 0.1s; }
.flagship-card:nth-child(2) { animation-delay: 0.2s; }
.flagship-card:nth-child(3) { animation-delay: 0.3s; }

/* ============================================
   Multi-Page Styles
   ============================================ */

.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    width: 100%;
}

/* Page Content */
.page-content {
    padding: 40px 0 80px;
    min-height: calc(100vh - 70px - 80px);
}

.page-header {
    margin-bottom: 40px;
}

.page-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 8px;
}

.page-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

.proof-consistency {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 8px;
    font-style: italic;
}

.section-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    margin-top: 48px;
}

.section-label:first-of-type {
    margin-top: 0;
}

/* Hero CTA - Above fold */
.hero-cta-top {
    margin-top: 24px;
    margin-bottom: 32px;
}

/* Hero CTA - Below projects */
.hero-cta {
    display: flex;
    gap: 16px;
    margin-top: 40px;
}

/* Quick Proof */
.quick-proof {
    text-align: center;
    padding: 20px 0;
}

.quick-proof-title {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.proof-badges-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.proof-badge {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border-radius: 6px;
}

/* Card Tagline */
.card-tagline {
    font-size: 14px;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 8px;
}

/* ============================================
   Proof Page - Large Tiles
   ============================================ */

.proof-grid-large {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.proof-tile-large {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 28px;
    display: flex;
    gap: 20px;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.proof-tile-large:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    background-color: var(--bg-card-hover);
}

.proof-tile-large .proof-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.proof-tile-large .proof-content {
    flex: 1;
}

.proof-tile-large .proof-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.proof-tile-large .proof-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.proof-details {
    list-style: none;
    margin-bottom: 16px;
}

.proof-details li {
    font-size: 13px;
    color: var(--text-muted);
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
}

.proof-details li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* ============================================
   Writing Page - Large Cards
   ============================================ */

.writing-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.writing-card-large {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 32px;
}

.writing-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.writing-date {
    font-size: 13px;
    color: var(--text-muted);
}

.writing-tag {
    font-size: 12px;
    font-weight: 500;
    color: var(--accent);
    background-color: var(--accent-muted);
    padding: 2px 8px;
    border-radius: 4px;
}

.writing-read-time {
    font-size: 13px;
    color: var(--text-muted);
    margin-left: auto;
}

.writing-title-large {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 4px;
}

.writing-subtitle-large {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.writing-excerpt {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.writing-takeaway {
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.writing-takeaway strong {
    color: var(--accent);
}

.writing-lesson-large {
    font-size: 14px;
    color: var(--text-muted);
    padding: 16px;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 3px solid var(--accent);
}

.writing-lesson-large strong {
    color: var(--text-secondary);
}

/* ============================================
   Resume Page
   ============================================ */

.resume-layout {
    max-width: 900px;
}

.resume-section {
    margin-bottom: 48px;
}

.resume-section-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.experience-list-large {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.experience-list-large li {
    display: flex;
    gap: 12px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.experience-bullet {
    color: var(--accent);
    flex-shrink: 0;
}

.experience-list-large strong {
    color: var(--text-primary);
}

.about-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 700px;
}

.resume-download {
    margin-top: 40px;
}

/* ============================================
   Contact Page
   ============================================ */

.contact-layout {
    max-width: 600px;
}

.contact-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 32px;
    margin-bottom: 32px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-value {
    font-size: 15px;
    color: var(--text-primary);
}

.contact-value-link {
    font-size: 15px;
    color: var(--accent);
    transition: color var(--transition-fast);
}

.contact-value-link:hover {
    color: var(--accent-hover);
}

.contact-cta-box {
    padding: 20px;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    margin-bottom: 24px;
}

.contact-cta-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.contact-roles {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.role-tag {
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    border-radius: 4px;
}

.btn-full {
    width: 100%;
}

.contact-note {
    text-align: center;
}

.contact-note p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.link-arrow {
    font-size: 14px;
    color: var(--accent);
    transition: color var(--transition-fast);
}

.link-arrow:hover {
    color: var(--accent-hover);
}

/* ============================================
   Case Study Pages
   ============================================ */

.case-study {
    padding: 40px 0 80px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.breadcrumb a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.case-hero {
    margin-bottom: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--border);
}

.case-lane {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.case-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.case-tagline {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    max-width: 700px;
}

.case-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.case-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.case-content {
    max-width: 800px;
}

.case-section {
    margin-bottom: 48px;
}

.case-section h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.case-section h3 {
    font-size: 18px;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.case-section p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.case-section ul {
    margin-bottom: 16px;
}

.case-section ul li {
    font-size: 15px;
    color: var(--text-secondary);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.case-section ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.case-section ul li strong {
    color: var(--text-primary);
}

/* Architecture Diagram */
.architecture-diagram {
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 24px;
    overflow-x: auto;
    margin-bottom: 24px;
}

.architecture-diagram pre {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-secondary);
    margin: 0;
}

/* Constraints Grid */
.constraints-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.constraint {
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}

.constraint-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.constraint-value {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Eval Table */
.eval-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
}

.eval-table th,
.eval-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.eval-table th {
    font-weight: 600;
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.eval-table td {
    color: var(--text-secondary);
}

.eval-table tr.highlight td {
    background-color: var(--accent-muted);
    color: var(--text-primary);
    font-weight: 500;
}

.eval-note {
    font-size: 13px;
    color: var(--text-muted);
    font-style: italic;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.metric-card {
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
}

.metric-label {
    font-size: 13px;
    color: var(--text-muted);
}

/* Residual Risk */
.residual-risk {
    background-color: rgba(245, 158, 11, 0.1);
    border-left: 3px solid var(--warning);
    padding: 16px;
    border-radius: 4px;
    margin-top: 16px;
}

.residual-risk strong {
    color: var(--warning);
}

/* Incident Box */
.incident-box {
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 24px;
}

.incident-box h3 {
    margin-top: 0 !important;
}

.incident-box h3:not(:first-child) {
    margin-top: 20px !important;
}

/* Artifacts Grid */
.artifacts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.artifact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    transition: all var(--transition-fast);
    text-decoration: none;
    color: var(--text-primary);
}

.artifact-link:hover {
    background-color: var(--bg-card-hover);
    transform: translateX(4px);
}

.artifact-icon {
    font-size: 20px;
}

/* Case Navigation */
.case-nav {
    display: flex;
    justify-content: space-between;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    margin-top: 48px;
}

.case-nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--accent);
    transition: color var(--transition-fast);
}

.case-nav-link:hover {
    color: var(--accent-hover);
}

/* Feature List */
.feature-list {
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 20px 24px;
}

.feature-list li {
    padding: 8px 0 !important;
}

/* Negative Results */
.negative-results {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.negative-item {
    background-color: rgba(239, 68, 68, 0.05);
    border-left: 3px solid var(--error);
    padding: 16px;
    border-radius: 4px;
}

.negative-item h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.negative-item p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* Limitations */
.limitations-list {
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 20px 24px;
}

.limitations-list li {
    padding: 8px 0 !important;
}

.limitations-list li strong {
    color: var(--warning);
}

/* ============================================
   Responsive - Additional
   ============================================ */

@media (max-width: 1024px) {
    .proof-grid-large {
        grid-template-columns: 1fr;
    }
    
    .constraints-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .artifacts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 32px;
    }
    
    .case-title {
        font-size: 32px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .case-links {
        flex-direction: column;
    }
    
    .case-links .btn {
        width: 100%;
    }
    
    .proof-tile-large {
        flex-direction: column;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .constraints-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .artifacts-grid {
        grid-template-columns: 1fr;
    }
    
    .eval-table {
        font-size: 13px;
    }
    
    .eval-table th,
    .eval-table td {
        padding: 8px 12px;
    }
}

/* ============================================
   FraudShield Enhancements
   ============================================ */

.case-credibility {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
    padding: 12px 16px;
    background: var(--accent-muted);
    border-left: 3px solid var(--accent);
    border-radius: 0 8px 8px 0;
}

.case-credibility strong {
    color: var(--text-primary);
}

.try-it-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
}

.try-it-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.try-it-item {
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.try-it-item h4 {
    margin-bottom: 8px;
    font-size: 15px;
}

.try-it-item p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.code-block {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 16px;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
}

.code-block code {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.problem-facts {
    margin-bottom: 20px;
}

.problem-facts li {
    margin-bottom: 12px;
    padding-left: 0;
}

.problem-facts li::before {
    display: none;
}

.why-different-box {
    background: var(--accent-muted);
    border-left: 3px solid var(--accent);
    border-radius: 0 8px 8px 0;
    padding: 16px 20px;
    margin-top: 20px;
}

.why-different-box h4 {
    color: var(--accent);
    margin-bottom: 8px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.why-different-box p {
    margin: 0;
    color: var(--text-secondary);
}

.constraint-note {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

.how-measured {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}

.how-measured strong {
    color: var(--text-primary);
}

.how-measured ul {
    margin-top: 8px;
    margin-bottom: 8px;
}

.how-measured ul li {
    padding-left: 16px;
    margin-bottom: 6px;
}

.how-measured ul li::before {
    content: "•";
    position: absolute;
    left: 0;
}

.how-measured p {
    margin: 8px 0 0 0;
    font-style: italic;
}

.assumptions-box {
    background: var(--bg-secondary);
    border: 1px dashed var(--border);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
}

.assumptions-box h2 {
    font-size: 18px;
    margin-bottom: 16px;
}

.assumptions-box ul li {
    font-size: 14px;
    color: var(--text-secondary);
}

.assumptions-box ul li strong {
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .try-it-grid {
        grid-template-columns: 1fr;
    }
    
    .try-it-buttons {
        flex-direction: column;
    }
    
    .reconciliation-flow {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Try It Buttons */
.try-it-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.try-it-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.try-it-btn:hover {
    border-color: var(--accent);
    background: var(--accent-muted);
}

.try-it-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.try-it-label {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 4px;
}

.try-it-desc {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
}

/* Reconciliation Flow */
.reconciliation-flow {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 16px 0 24px;
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    overflow-x: auto;
}

.flow-step {
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 13px;
    white-space: nowrap;
}

.flow-arrow {
    color: var(--accent);
    font-size: 18px;
}

/* Reason Codes */
.reason-codes {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0;
}

.reason-code {
    padding: 6px 12px;
    background: var(--accent-muted);
    border: 1px solid var(--accent);
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 12px;
    color: var(--accent);
}

/* Eval note small */
.eval-note-small {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* CI Evidence box */
.ci-evidence {
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--success);
    border-radius: 8px;
    font-size: 14px;
}

.ci-evidence code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 12px;
}

.ci-evidence a {
    color: var(--accent);
    text-decoration: none;
}

.ci-evidence a:hover {
    text-decoration: underline;
}

/* Ownership note */
.ownership-note {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 8px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
}

/* Reason code explanation */
.reason-code-explain {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 12px 0 8px;
    padding-left: 8px;
    border-left: 2px solid var(--accent);
}

.reason-code-explain code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
}

/* Threshold note */
.threshold-note {
    margin-bottom: 12px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 14px;
}

/* Why different box simplified */
.why-different-box h4 {
    display: none;
}

/* ============================================
   Credibility Gap Patch - New Components
   ============================================ */

/* Truth Anchor - the single line that kills the "lie" interpretation */
.hero-truth-anchor,
.page-truth-anchor {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 8px;
    font-style: italic;
}

.hero-truth-anchor {
    margin-bottom: 24px;
}

.page-truth-anchor {
    margin-top: 12px;
}

/* Validation Context Box - reads like engineering, not insecurity */
.validation-context {
    margin-top: 20px;
    padding: 14px 18px;
    background: rgba(249, 115, 22, 0.06);
    border: 1px solid rgba(249, 115, 22, 0.15);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.validation-context strong {
    color: var(--accent);
}

.validation-context a {
    color: var(--accent);
    text-decoration: none;
}

.validation-context a:hover {
    text-decoration: underline;
}

/* Benchmark Methodology Box */
.benchmark-methodology {
    margin-bottom: 20px;
    padding: 14px 18px;
    background: var(--bg-tertiary);
    border-left: 3px solid var(--accent);
    border-radius: 0 8px 8px 0;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.benchmark-methodology strong {
    color: var(--text-primary);
}

/* Visual Proof Gallery */
.proof-intro {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.proof-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.proof-figure {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    overflow: hidden;
    margin: 0;
}

.proof-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 140px;
    padding: 20px;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    text-align: center;
    gap: 8px;
}

.proof-placeholder .placeholder-icon {
    font-size: 32px;
    opacity: 0.7;
}

.proof-placeholder .placeholder-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.proof-placeholder code {
    font-size: 11px;
    color: var(--text-muted);
    background: var(--bg-card);
    padding: 3px 8px;
    border-radius: 4px;
}

.proof-figure figcaption {
    padding: 12px 14px;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
    border-top: 1px solid var(--border);
}

.proof-note {
    font-size: 13px;
    color: var(--text-muted);
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border-radius: 6px;
}

.proof-note code {
    background: var(--bg-card);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    color: var(--accent);
}

/* Profile Photo & About Section */
.profile-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent);
    box-shadow: 0 4px 20px rgba(249, 115, 22, 0.3);
}

.profile-photo-large {
    width: 160px;
    height: 160px;
}

.profile-photo-small {
    width: 80px;
    height: 80px;
}

.hero-intro {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-bottom: 32px;
}

.hero-intro-text {
    flex: 1;
}

.about-section {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    padding: 48px 0;
}

.about-photo {
    flex-shrink: 0;
}

.about-content {
    flex: 1;
}

.about-content h2 {
    font-size: 28px;
    margin-bottom: 16px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
}

.contact-profile {
    text-align: center;
    margin-bottom: 32px;
}

.contact-profile .profile-photo {
    margin-bottom: 16px;
}

.contact-profile h2 {
    font-size: 24px;
    margin-bottom: 4px;
}

.contact-profile p {
    color: var(--text-secondary);
}

/* Interactive Demo Enhancements */
.demo-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    overflow: hidden;
    margin: 24px 0;
}

.demo-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
}

.demo-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.demo-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.demo-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.demo-body {
    padding: 20px;
}

.demo-input-group {
    margin-bottom: 20px;
}

.demo-input-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.demo-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: border-color var(--transition-fast);
}

.demo-input:focus {
    outline: none;
    border-color: var(--accent);
}

.demo-input::placeholder {
    color: var(--text-muted);
}

.demo-input-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.demo-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.demo-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.demo-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.demo-btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
}

.demo-btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
}

.demo-result {
    margin-top: 20px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.demo-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.demo-result-title {
    font-weight: 600;
    font-size: 14px;
}

.demo-result-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.demo-result-badge.allow {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.demo-result-badge.review {
    background: rgba(251, 191, 36, 0.2);
    color: var(--warning);
}

.demo-result-badge.block {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.demo-json {
    background: var(--bg-tertiary);
    padding: 16px;
    border-radius: 6px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 13px;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre-wrap;
}

.demo-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.demo-metric {
    text-align: center;
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.demo-metric-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
}

.demo-metric-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Chat Demo */
.chat-container {
    max-height: 400px;
    overflow-y: auto;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    margin-bottom: 16px;
}

.chat-message {
    margin-bottom: 16px;
    display: flex;
    gap: 12px;
}

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

.chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.chat-message.user .chat-avatar {
    background: var(--accent);
}

.chat-bubble {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
}

.chat-message.user .chat-bubble {
    background: var(--accent);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-message.assistant .chat-bubble {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.chat-input-row {
    display: flex;
    gap: 12px;
}

.chat-input-row .demo-input {
    flex: 1;
}

.security-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: 4px;
    font-size: 11px;
    color: var(--success);
    margin-left: 8px;
}

.security-badge.warning {
    background: rgba(251, 191, 36, 0.1);
    border-color: rgba(251, 191, 36, 0.3);
    color: var(--warning);
}

.security-badge.blocked {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--error);
}

/* Responsive */
@media (max-width: 768px) {
    .proof-gallery {
        grid-template-columns: 1fr;
    }
    
    .validation-context,
    .benchmark-methodology {
        font-size: 13px;
        padding: 12px 14px;
    }
    
    .hero-truth-anchor,
    .page-truth-anchor {
        font-size: 13px;
    }
    
    .hero-intro {
        flex-direction: column;
        text-align: center;
    }
    
    .about-section {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-photo-large {
        width: 120px;
        height: 120px;
    }
    
    .demo-input-row {
        grid-template-columns: 1fr;
    }
}

/* Loading states for demos */
.demo-btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.demo-btn.loading::after {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    top: 50%;
    left: 50%;
    margin-left: -9px;
    margin-top: -9px;
    border: 2px solid transparent;
    border-top-color: var(--bg-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.chat-typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    color: var(--text-muted);
    font-style: italic;
}

.chat-typing-dots {
    display: flex;
    gap: 3px;
}

.chat-typing-dots span {
    width: 6px;
    height: 6px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.chat-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 100% { opacity: 0.3; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1); }
}