/* Crystaldawn Consulting - Main Stylesheet
   ========================================== */

/* CSS Custom Properties */
:root {
    /* Colors - Dawn-inspired palette */
    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-primary-dark: #4f46e5;
    --color-secondary: #8b5cf6;
    --color-accent: #f472b6;
    --color-success: #22c55e;
    --color-warning: #eab308;
    --color-error: #ef4444;
    
    /* Neutrals */
    --color-bg: #0a0a0f;
    --color-bg-elevated: #111118;
    --color-bg-card: #1a1a24;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-dim: #64748b;
    --color-border: #2d2d3a;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    
    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    
    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-text);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
    margin-bottom: var(--space-md);
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

ul, ol {
    padding-left: var(--space-lg);
}

li {
    margin-bottom: var(--space-sm);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md) 0;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text);
    font-weight: 600;
    font-size: 1.25rem;
}

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

.logo-icon {
    width: 40px;
    height: 40px;
}

.main-nav ul {
    display: flex;
    gap: var(--space-xl);
    list-style: none;
    padding: 0;
    margin: 0;
}

.main-nav a {
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: var(--space-sm) 0;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-text);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    position: relative;
    transition: var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-fast);
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

/* Hero Section */
.hero {
    padding: var(--space-4xl) 0;
    background: var(--gradient-subtle);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-content h1 {
    margin-bottom: var(--space-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-lead {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-illustration {
    width: 100%;
    max-width: 400px;
    height: auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    font-size: 0.9375rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    color: white;
}

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

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-light);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Highlights Section */
.highlights {
    padding: var(--space-4xl) 0;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.highlight-card {
    background: var(--color-bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.highlight-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-lg);
}

.highlight-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--color-primary);
}

.highlight-card h3 {
    margin-bottom: var(--space-sm);
}

.highlight-card p {
    color: var(--color-text-muted);
    margin-bottom: 0;
    font-size: 0.9375rem;
}

/* Stats Section */
.stats {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Services Preview */
.services-preview {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

.section-header p {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.service-card {
    background: var(--color-bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-primary);
}

.service-card h3 {
    margin-bottom: var(--space-sm);
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.service-link {
    font-weight: 500;
    font-size: 0.875rem;
}

/* CTA Section */
.cta-section {
    padding: var(--space-4xl) 0;
    background: var(--gradient-subtle);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: var(--space-md);
}

.cta-content p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

/* Page Header */
.page-header {
    padding: var(--space-4xl) 0 var(--space-3xl);
    background: var(--gradient-subtle);
    text-align: center;
}

.page-header h1 {
    margin-bottom: var(--space-md);
}

.page-lead {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* About Page */
.about-intro {
    padding: var(--space-4xl) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.profile-placeholder {
    width: 100%;
    border-radius: var(--radius-lg);
}

.about-content h2 {
    margin-bottom: var(--space-xs);
}

.about-content .role {
    color: var(--color-primary-light);
    font-size: 1.125rem;
    margin-bottom: var(--space-xl);
}

.about-contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-muted);
}

.contact-item .icon {
    width: 20px;
    height: 20px;
}

/* Timeline */
.experience-timeline {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-elevated);
}

.experience-timeline h2 {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-left: var(--space-3xl);
    padding-bottom: var(--space-3xl);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -5px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid var(--color-bg-elevated);
}

.timeline-date {
    display: inline-block;
    color: var(--color-primary-light);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.timeline-content h3 {
    margin-bottom: var(--space-xs);
}

.timeline-role {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin-bottom: var(--space-md);
}

.timeline-content p:last-child {
    margin-bottom: 0;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

/* Skills Section */
.skills-section {
    padding: var(--space-4xl) 0;
}

.skills-section h2 {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.skill-category {
    background: var(--color-bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.skill-category h3 {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.skill-list {
    list-style: none;
    padding: 0;
}

.skill-list li {
    color: var(--color-text-muted);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9375rem;
}

.skill-list li:last-child {
    border-bottom: none;
}

/* Personal Section */
.personal-section {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-elevated);
}

.personal-section h2 {
    margin-bottom: var(--space-lg);
}

.personal-section p {
    color: var(--color-text-muted);
    max-width: 800px;
    margin-bottom: 0;
}

/* Services Detail */
.services-detail {
    padding: var(--space-4xl) 0;
}

.services-detail.alt {
    background: var(--color-bg-elevated);
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.service-detail-grid.reverse {
    grid-template-columns: 1fr 150px;
}

.service-detail-grid.reverse .service-icon-large {
    order: 2;
}

.service-icon-large svg {
    width: 120px;
    height: 120px;
}

.service-detail-content h2 {
    margin-bottom: var(--space-lg);
}

.service-detail-content h3 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    color: var(--color-primary-light);
    font-size: 1rem;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--color-text-muted);
}

.service-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* Engagement Section */
.engagement-section {
    padding: var(--space-4xl) 0;
}

.engagement-section h2 {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.engagement-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.engagement-card {
    background: var(--color-bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    text-align: center;
}

.engagement-card h3 {
    margin-bottom: var(--space-md);
}

.engagement-card p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* Work Page */
.work-grid-section {
    padding: var(--space-4xl) 0;
}

.work-grid {
    display: grid;
    gap: var(--space-xl);
}

.work-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.work-card.featured {
    border-color: var(--color-primary);
}

.work-card-content {
    padding: var(--space-xl);
}

.work-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary-light);
    margin-bottom: var(--space-sm);
}

.work-card h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.work-summary {
    color: var(--color-text-muted);
    font-size: 1rem;
}

.work-stats {
    display: flex;
    gap: var(--space-xl);
    margin: var(--space-xl) 0;
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.work-stat .stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-light);
}

.work-stat .stat-desc {
    font-size: 0.75rem;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.work-details h3 {
    font-size: 1rem;
    color: var(--color-primary-light);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.work-details p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.work-details ul {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.work-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.work-tech span {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary-light);
    border-radius: var(--radius-sm);
}

/* Work Card Image Gallery */
.work-gallery {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.work-thumb {
    width: 120px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid var(--color-border);
    cursor: pointer;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.work-thumb:hover {
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.work-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
}

/* Lightbox Modal */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    overflow: auto;
}

.lightbox.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox-content {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    width: auto;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    background: #111;
}

.lightbox-caption {
    text-align: center;
    color: #fff;
    margin-top: 15px;
    font-size: 0.9rem;
}

.lightbox-close {
    position: fixed;
    top: 20px;
    right: 30px;
    background: none;
    border: none;
    color: #fff;
    font-size: 40px;
    font-weight: 300;
    cursor: pointer;
    padding: 10px;
    line-height: 1;
    z-index: 10000;
    transition: color 0.2s;
}

.lightbox-close:hover {
    color: var(--color-primary);
}

.lightbox-nav {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #fff;
    font-size: 40px;
    font-weight: 300;
    cursor: pointer;
    padding: 20px 15px;
    border-radius: 4px;
    z-index: 10000;
    transition: background 0.2s;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.3);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

@media (max-width: 768px) {
    .work-thumb {
        width: 100px;
        height: 65px;
    }
    
    .lightbox-nav {
        padding: 15px 10px;
        font-size: 30px;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
    
    .lightbox-close {
        top: 10px;
        right: 15px;
        font-size: 35px;
    }
    
    .lightbox-content img {
        max-height: 70vh;
    }
}

/* Talks Section */
.talks-section {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-elevated);
}

.talks-section h2 {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.talks-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.talk-card {
    background: var(--color-bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.talk-event {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary-light);
    margin-bottom: var(--space-sm);
}

.talk-card h3 {
    margin-bottom: var(--space-md);
}

.talk-card p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* Contact Page */
.contact-section {
    padding: var(--space-4xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
}

.contact-info h2 {
    margin-bottom: var(--space-lg);
}

.contact-info > p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-method {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.contact-method .icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-method h3 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.contact-method a,
.contact-method span {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    display: block;
}

.contact-method a:hover {
    color: var(--color-primary-light);
}

.location-note {
    font-size: 0.8125rem !important;
    color: var(--color-text-dim) !important;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-weight: 500;
    font-size: 0.9375rem;
}

.form-group .required {
    color: var(--color-accent);
}

.form-group .optional {
    color: var(--color-text-dim);
    font-weight: 400;
    font-size: 0.8125rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group select {
    cursor: pointer;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Honeypot field - hidden */
.hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

/* Form messages */
.form-success {
    text-align: center;
    padding: var(--space-3xl);
}

.success-icon {
    width: 64px;
    height: 64px;
    color: var(--color-success);
    margin-bottom: var(--space-lg);
}

.form-success h2 {
    margin-bottom: var(--space-md);
}

.form-success p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.form-error-message {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--color-error);
    border-radius: var(--radius-md);
    color: var(--color-error);
    margin-bottom: var(--space-lg);
}

.error-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Turnstile widget */
.turnstile-wrapper {
    display: flex;
    justify-content: flex-start;
}

/* Footer */
.site-footer {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    padding: var(--space-4xl) 0 var(--space-xl);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

.footer-brand .logo-icon {
    width: 32px;
    height: 32px;
}

.footer-brand .logo-text {
    font-size: 1rem;
}

.footer-tagline {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: 0;
}

.footer-contact h4,
.footer-links h4,
.footer-connect h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
    color: var(--color-text);
}

.footer-contact ul,
.footer-links ul,
.footer-connect ul {
    list-style: none;
    padding: 0;
}

.footer-contact li,
.footer-links li,
.footer-connect li {
    margin-bottom: var(--space-md);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-contact .icon {
    width: 16px;
    height: 16px;
    color: var(--color-text-dim);
}

.footer-contact a,
.footer-contact span,
.footer-links a,
.footer-connect a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-connect a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-connect .icon {
    width: 16px;
    height: 16px;
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--color-text-dim);
    font-size: 0.8125rem;
    margin: 0;
}

.footer-credit {
    font-style: italic;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-lead {
        margin: 0 auto var(--space-xl);
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-illustration {
        max-width: 300px;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-photo {
        max-width: 200px;
        margin: 0 auto;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .service-detail-grid,
    .service-detail-grid.reverse {
        grid-template-columns: 1fr;
    }
    
    .service-detail-grid.reverse .service-icon-large {
        order: 0;
    }
    
    .service-icon-large {
        display: flex;
        justify-content: center;
    }
    
    .engagement-grid {
        grid-template-columns: 1fr;
    }
    
    .talks-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 73px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-bg);
        padding: var(--space-xl);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        z-index: 99;
    }
    
    .main-nav.is-open {
        transform: translateX(0);
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .main-nav a {
        font-size: 1.25rem;
    }
    
    body.menu-open {
        overflow: hidden;
    }
    
    .mobile-menu-toggle[aria-expanded="true"] .hamburger {
        background: transparent;
    }
    
    .mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
        top: 0;
        transform: rotate(45deg);
    }
    
    .mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
        top: 0;
        transform: rotate(-45deg);
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .work-stats {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}