/* ===================================
   אבולוציה של התודעה - CSS Styles
   Academic, Minimal, Professional
   =================================== */

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

:root {
    --color-bg: #ffffff;
    --color-bg-subtle: #fafafa;
    --color-text: #2c2c2c;
    --color-text-light: #666666;
    --color-border: #e0e0e0;
    --color-accent: #4a4a4a;
    --color-hover: #f5f5f5;
    --font-main: 'Assistant', 'Heebo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --spacing-unit: 1rem;
    --max-width: 1200px;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
    background-color: var(--color-bg);
    direction: rtl;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 1rem;
    color: var(--color-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; margin-top: 2rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1.2rem;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation */
.site-header {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.site-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
}

.main-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.main-nav li {
    display: inline-block;
}

.main-nav a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--color-text);
    font-size: 0.95rem;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

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

/* Main Content */
.main-content {
    padding: 3rem 0;
    min-height: calc(100vh - 200px);
}

/* Hero Section */
.hero-section {
    text-align: center;
    margin-bottom: 3rem;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

/* Video Container */
.video-container {
    position: relative;
    padding-bottom: 42%;
    height: 0;
    overflow: hidden;
    max-width: 100%;
    margin: 2rem auto;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Executive Summary */
.executive-summary {
    background-color: var(--color-bg-subtle);
    padding: 2.5rem;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    margin: 3rem 0;
}

.executive-summary h3 {
    margin-top: 0;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.summary-content p {
    text-align: justify;
    line-height: 1.9;
}

.summary-content strong {
    font-weight: 600;
    color: var(--color-accent);
}

/* Key Concepts Grid */
.key-concepts {
    margin: 4rem 0;
}

.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.concept-card {
    background-color: var(--color-bg-subtle);
    padding: 1.5rem;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    transition: box-shadow 0.3s ease;
}

.concept-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.concept-card h4 {
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 0.5rem;
}

.concept-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 0;
}

/* Page Navigation (Next/Previous) */
.page-navigation {
    display: flex;
    justify-content: space-between;
    margin: 4rem 0 2rem 0;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.nav-prev,
.nav-next {
    display: flex;
    flex-direction: column;
    padding: 1rem 1.5rem;
    background-color: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all 0.3s ease;
    min-width: 150px;
}

.nav-prev {
    text-align: right;
    margin-left: auto;
}

.nav-next {
    text-align: left;
    margin-right: auto;
}

.nav-prev:hover,
.nav-next:hover {
    border-color: var(--color-accent);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.nav-label {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.nav-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-accent);
}

/* Content Page Styling */
.content-page {
    max-width: 900px;
    margin: 0 auto;
}

.content-section {
    margin: 3rem 0;
}

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

/* Special Boxes */
.highlight-box,
.insight-box,
.example-box {
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 4px;
    border-right: 4px solid var(--color-accent);
}

.highlight-box {
    background-color: #f9f9f9;
}

.insight-box {
    background-color: #fafaf5;
    border-right-color: #8b7355;
}

.example-box {
    background-color: #f5f9fa;
    border-right-color: #4a7c8b;
}

.highlight-box h4,
.insight-box h4,
.example-box h4 {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

/* Academic Quote */
.academic-quote {
    font-style: italic;
    border-right: 3px solid var(--color-border);
    padding-right: 1.5rem;
    margin: 2rem 0;
    color: var(--color-text-light);
    font-size: 1.05rem;
}

/* Properties Grid */
.properties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.property-card {
    padding: 1.25rem;
    background-color: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: 4px;
}

.property-card h4 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

/* Feature Lists */
.feature-list,
.universal-list,
.importance-list {
    list-style: none;
    padding-right: 0;
    margin: 1.5rem 0;
}

.feature-list li,
.universal-list li,
.importance-list li {
    padding: 0.75rem 0;
    padding-right: 1.5rem;
    position: relative;
    border-bottom: 1px solid var(--color-border);
}

.feature-list li:last-child,
.universal-list li:last-child,
.importance-list li:last-child {
    border-bottom: none;
}

.feature-list li::before,
.universal-list li::before,
.importance-list li::before {
    content: "←";
    position: absolute;
    right: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* Roadmap */
.roadmap {
    background-color: var(--color-bg-subtle);
    padding: 2rem;
    border-radius: 4px;
    margin: 2rem 0;
}

.roadmap h4 {
    margin-top: 0;
    text-align: center;
    margin-bottom: 1.5rem;
}

.roadmap-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.roadmap-step {
    background-color: var(--color-bg);
    padding: 1rem 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    border-right: 3px solid var(--color-accent);
}

.roadmap-step strong {
    display: block;
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    color: var(--color-accent);
}

.roadmap-step p {
    margin: 0;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* Comparison Table */
.comparison-table-container {
    overflow-x: auto;
    margin: 2rem 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    background-color: var(--color-bg);
}

.comparison-table th,
.comparison-table td {
    padding: 0.75rem;
    text-align: right;
    border: 1px solid var(--color-border);
}

.comparison-table th {
    background-color: var(--color-bg-subtle);
    font-weight: 600;
    position: sticky;
    top: 0;
}

.comparison-table tbody tr:hover {
    background-color: var(--color-hover);
}

/* Placeholder Notice */
.placeholder-notice {
    background-color: #fffbf0;
    border: 2px dashed var(--color-border);
    border-radius: 4px;
    padding: 2rem;
    margin: 3rem 0;
    text-align: center;
}

.placeholder-notice h3 {
    margin-top: 0;
    color: #8b7355;
}

.placeholder-notice ul {
    text-align: right;
    max-width: 600px;
    margin: 1.5rem auto;
    list-style-position: inside;
}

.placeholder-notice li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
}

.placeholder-notice li:last-child {
    border-bottom: none;
}

/* Footer */
.site-footer {
    background-color: var(--color-bg-subtle);
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-content p {
    margin: 0;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .page-title {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: stretch;
    }

    .main-nav a {
        text-align: center;
    }

    .video-container {
        padding-bottom: 56.25%;
    }

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

    .page-navigation {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-prev,
    .nav-next {
        margin: 0;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.35rem; }
}

@media (max-width: 480px) {
    body {
        font-size: 15px;
    }

    .executive-summary {
        padding: 1.5rem;
    }

    .concept-card {
        padding: 1.25rem;
    }
}

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .main-nav {
        display: none;
    }

    .main-content {
        padding: 0;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }
}