:root {
    /* LocEssentials Brand Colors */
    --pink: #ef91c6;
    --light-blue: #50A5E6;
    --medium-blue: #2b7bb9;
    --dark-blue: #1c6399;
    --neon-green: #60ff6c;
    --alabaster: #F5F7F9;
    
    /* Typography */
    --heading-font: 'Arial', 'Arial', sans-serif;
    --body-font: 'Arial', 'Arial', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Layout */
    --max-width: 1200px;
    --border-radius: 8px;
}

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

body {
    font-family: var(--body-font);
    font-size: 18px;
    line-height: 1.7;
    color: #2c3e50;
    background-color: var(--alabaster);
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark-blue);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.3rem; }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--medium-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--light-blue);
}

/* Header */
.site-header {
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--medium-blue) 100%);
    padding: var(--spacing-md) 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-logo {
    width: 60px;
    height: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.site-title {
    color: white;
    font-size: 1.6rem;
    margin: 0;
}

.search-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.outline-button {
    padding: 0.5rem 1rem;
    background-color: #FF69B4;
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    white-space: nowrap;
    transition: background-color 0.2s ease;
}

.outline-button:hover {
    background-color: #FF1493;
        color: white;
}

.search-input {
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.9);
    font-family: var(--body-font);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--pink);
    background: white;
    box-shadow: 0 4px 12px rgba(239, 145, 198, 0.3);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: var(--spacing-xs);
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
}

.search-result-item {
    display: block;
    padding: var(--spacing-sm);
    color: var(--dark-blue);
    border-bottom: 1px solid var(--alabaster);
    transition: background 0.2s ease;
}

.search-result-item:hover {
    background: var(--alabaster);
    color: var(--medium-blue);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-no-results {
    padding: var(--spacing-sm);
    color: #999;
    text-align: center;
}

/* Main Content */
.main-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

section {
    margin-bottom: var(--spacing-xl);
}

/* Hero Section */
.hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.welcome-text .section-title {
    color: var(--dark-blue);
    margin-bottom: var(--spacing-sm);
}

.lead-text {
    font-size: 1.3rem;
    color: #555;
    line-height: 1.6;
}

.course-cover {
    text-align: center;
}

.course-cover img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* Content Sections */
.course-description,
.learning-outcomes,
.target-audience,
.cta-section {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.outcomes-list,
.audience-list,
.lesson-list {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.outcomes-list li,
.audience-list li,
.lesson-list li {
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.outcomes-list li::before,
.audience-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--pink);
    font-weight: bold;
    font-size: 1.2rem;
}

.audience-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--alabaster);
    border-left: 4px solid var(--pink);
    border-radius: 4px;
    font-style: italic;
}

/* CTA Section */
.cta-section {
    text-align: center;
    background: linear-gradient(135deg, var(--pink), var(--light-blue));
    color: white;
}

.cta-section h3,
.cta-section p {
    color: white;
}

.cta-button {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: white;
    color: var(--dark-blue);
    font-family: var(--heading-font);
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background: var(--dark-blue);
    color: white;
}

/* Lesson Outline Cards */
.lesson-list {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.lesson-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--light-blue);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.lesson-card:hover {
    transform: translateX(8px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    border-left-color: var(--pink);
}

.lesson-card h4 {
    color: var(--medium-blue);
    margin-bottom: var(--spacing-xs);
}

.lesson-card p {
    margin: 0;
    color: #666;
}

.lesson-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.lesson-link:hover h4 {
    color: var(--pink);
}

/* Page Content */
.page-content {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.page-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-xs);
    border-bottom: 3px solid var(--pink);
}

.page-nav {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--alabaster);
}

.nav-button {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--light-blue);
    color: white;
    border-radius: var(--border-radius);
    font-family: var(--heading-font);
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-button:hover {
    background: var(--dark-blue);
    color: white;
    transform: translateY(-2px);
}

.nav-button.disabled {
    background: #ccc;
    cursor: not-allowed;
    pointer-events: none;
}

/* Video Container */
.video-container {
    margin: var(--spacing-lg) 0;
    text-align: center;
}

.video-placeholder {
    background: var(--alabaster);
    border: 2px dashed var(--light-blue);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    margin: 0 auto;
    max-width: 800px;
}

.video-placeholder .video-label {
    font-family: var(--heading-font);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--medium-blue);
    margin-bottom: var(--spacing-xs);
}

.video-placeholder .video-note {
    color: #666;
    font-style: italic;
    margin: 0;
}

.video-container iframe {
    max-width: 100%;
    width: 800px;
    height: 450px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Quote Box */
.quote-box {
    background: linear-gradient(135deg, rgba(239, 145, 198, 0.1), rgba(80, 165, 230, 0.1));
    border-left: 4px solid var(--pink);
    border-radius: var(--border-radius);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.quote-text {
    font-size: 1.5rem;
    line-height: 1.6;
    color: var(--dark-blue);
    margin-bottom: var(--spacing-sm);
}

.quote-attribution {
    display: block;
    font-size: 1rem;
    font-style: normal;
    font-weight: 600;
    color: var(--medium-blue);
    text-align: right;
    margin-top: var(--spacing-sm);
}

/* Lesson-Specific Components */

/* Learning Objectives Box */
.learning-objectives-box {
    background: linear-gradient(135deg, rgba(80, 165, 230, 0.1), rgba(239, 145, 198, 0.1));
    border: 2px solid var(--light-blue);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.learning-objectives-box h3 {
    color: var(--medium-blue);
    margin-bottom: var(--spacing-sm);
}

/* Warning Box */
.warning-box {
    background: #fff9e6;
    border-left: 4px solid #ffa500;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    box-shadow: 0 2px 8px rgba(255, 165, 0, 0.1);
}

.warning-box h4 {
    color: #cc8400;
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.warning-box p {
    margin: 0;
    color: #666;
}

/* Future Courses Callout */
.future-courses-callout {
    background: linear-gradient(135deg, rgba(96, 255, 108, 0.1), rgba(80, 165, 230, 0.1));
    border: 2px solid var(--neon-green);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    box-shadow: 0 2px 8px rgba(96, 255, 108, 0.2);
}

.future-courses-callout h4 {
    color: var(--dark-blue);
    margin-bottom: var(--spacing-sm);
}

.future-courses-callout p {
    color: #555;
}

.future-courses-callout .outcomes-list {
    margin-top: var(--spacing-sm);
}

.future-courses-callout .outcomes-list li {
    color: #555;
}

.future-courses-callout .outcomes-list li::before {
    color: var(--neon-green);
}

/* Challenge Box */
.challenge-box {
    background: linear-gradient(135deg, rgba(96, 255, 108, 0.08), rgba(80, 165, 230, 0.08));
    border: 2px solid var(--neon-green);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: 0 4px 16px rgba(96, 255, 108, 0.15);
}

.challenge-box h4 {
    color: var(--dark-blue);
    margin-bottom: var(--spacing-sm);
}

.challenge-box p {
    color: #555;
}

.challenge-box strong {
    color: var(--dark-blue);
    font-weight: 700;
}

.challenge-box ol {
    margin-left: var(--spacing-md);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.challenge-box ol li {
    margin-bottom: var(--spacing-xs);
    color: #555;
}

.challenge-box .outcomes-list {
    margin-top: var(--spacing-sm);
}

.challenge-box .outcomes-list li {
    color: #555;
}

.challenge-box .outcomes-list li::before {
    color: var(--neon-green);
}

/* Checklist Introduction */
.checklist-intro {
    background-color: var(--alabaster, #F5F7F9);
    padding: var(--spacing-md, 2rem);
    border-radius: 8px;
    margin-bottom: var(--spacing-lg, 3rem);
    border-left: 4px solid var(--pink, #ef91c6);
}

.checklist-intro p {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.6;
}

/* Checklist Sections */
.checklist-section {
    margin-bottom: var(--spacing-xl, 4rem);
}

.checklist-section h3 {
    color: var(--dark-blue, #1c6399);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md, 2rem);
    padding-bottom: var(--spacing-sm, 1rem);
    border-bottom: 2px solid var(--light-blue, #50A5E6);
}

/* Proficiency Cards */
.proficiency-card {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: var(--spacing-md, 2rem);
    margin-bottom: var(--spacing-md, 2rem);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.proficiency-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.proficiency-card h4 {
    color: var(--medium-blue, #2b7bb9);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm, 1rem);
}

.proficiency-description {
    font-size: 1.05rem;
    margin-bottom: var(--spacing-sm, 1rem);
    line-height: 1.6;
}

.proficiency-example {
    font-style: italic;
    color: #555;
    margin-bottom: var(--spacing-md, 2rem);
    padding: var(--spacing-sm, 1rem);
    background-color: var(--alabaster, #F5F7F9);
    border-radius: 4px;
}

.proficiency-example strong {
    font-style: normal;
    color: var(--dark-blue, #1c6399);
}

.indicators-label {
    font-weight: 400;
    color: var(--dark-blue, #1c6399);
    margin-bottom: var(--spacing-xs, 0.5rem);
}

/* Transition Box */
.transition-box {
    background: var(--light-blue);
    color: #ffffff;
    padding: var(--spacing-lg, 3rem);
    border-radius: 8px;
    margin: var(--spacing-xl, 4rem) 0;
    box-shadow: 0 4px 12px rgba(43, 123, 185, 0.3);
}

.transition-box h3 {
    color: #ffffff;
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md, 2rem);
}

.transition-box p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm, 1rem);
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .checklist-intro {
        padding: var(--spacing-sm, 1rem) var(--spacing-md, 2rem);
    }
    
    .proficiency-card {
        padding: var(--spacing-sm, 1rem) var(--spacing-md, 2rem);
    }
    
    .transition-box {
        padding: var(--spacing-md, 2rem);
    }
    
    .checklist-section h3 {
        font-size: 1.5rem;
    }
    
    .proficiency-card h4 {
        font-size: 1.2rem;
    }
}

/* Two-Column Section Layout */
.two-column-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.column-item {
    text-align: center;
}

.product-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius);
}

.column-item h4 {
    margin: var(--spacing-sm) 0 var(--spacing-xs) 0;
    color: var(--medium-blue);
}

.column-item h4 a {
    color: var(--medium-blue);
    text-decoration: none;
}

.column-item h4 a:hover {
    color: var(--pink);
}

/* Author Section Specific Styles */
.author-section {
    grid-template-columns: 25% 75%;
    align-items: start;
    gap: var(--spacing-lg);
}

.author-image-column {
    text-align: center;
}

.author-image {
    width: 100%;
    max-width: 250px;
    height: auto;
    border-radius: var(--border-radius);
}

.author-bio-column p {
    margin-bottom: var(--spacing-sm);
    padding-right: var(--spacing-lg)
}

/* Footer */
.site-footer {
    background: linear-gradient(135deg, var(--dark-blue), var(--medium-blue));
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.footer-column h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.footer-column:first-child h4:first-child {
    margin-top: 0;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    transition: color 0.3s ease;
}

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

.footer-right {
    text-align: right;
}

.footer-logo {
    width: 80px;
    height: auto;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.footer-brand {
    display: block;
    color: white;
    font-family: var(--heading-font);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.footer-brand:hover {
    color: var(--neon-green);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 2.5rem;
        --spacing-lg: 2rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .site-title {
        font-size: 1.3rem;
        text-align: center;
    }
    
    .search-container {
        flex: 1;
        width: 100%;
    }
    
    .hero-section {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-right {
        text-align: left;
    }
    
    .page-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .video-container iframe {
        height: 250px;
    }
    
    .quote-text {
        font-size: 1.1rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.5rem; }

    .two-column-section {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .author-section {
        grid-template-columns: 1fr;
    }
    
    .product-image {
        max-width: 300px;
    }
    
    .author-image {
        max-width: 200px;
    }
}

/* Print Styles */
@media print {
    .site-header,
    .search-container,
    .cta-section,
    .page-nav,
    .site-footer {
        display: none;
    }
    
    body {
        background: white;
    }
    
    .main-content {
        max-width: 100%;
    }
}