:root {
    --ancient-gold: #D4AF37;
    --stone-gray: #8B7355;
    --papyrus-cream: #F5E6D3;
    --hieroglyph-blue: #0A2463;
    --ruin-red: #B22222;
}

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

body {
    font-family: 'Raleway', sans-serif;
    background: linear-gradient(135deg, #2C1810 0%, #1A120B 100%);
    color: var(--papyrus-cream);
    line-height: 1.8;
    min-height: 100vh;
    overflow-x: hidden;
}

.history-container {
    max-width: 1400px;
    margin: 0 auto;
    background: rgba(26, 18, 11, 0.95);
    position: relative;
    overflow: hidden;
}

/* Ancient Papyrus Texture Background */
.papyrus-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><path d="M0,50 Q25,40 50,50 T100,50" stroke="%238B7355" fill="none" opacity="0.05"/></svg>'),
linear-gradient(90deg, rgba(139,115,85,0.03) 1px, transparent 1px),
linear-gradient(rgba(139,115,85,0.03) 1px, transparent 1px);
    background-size: 100% 100%, 50px 50px, 50px 50px;
    z-index: -1;
    pointer-events: none;
}

/* Hieroglyph Animation */
.hieroglyph-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.05;
}

.hieroglyph {
    position: absolute;
    font-size: 2rem;
    color: var(--ancient-gold);
    opacity: 0;
    animation: floatHieroglyph 20s linear infinite;
}

@keyframes floatHieroglyph {
    0% {
transform: translateY(100vh) rotate(0deg);
opacity: 0;
    }
    10% {
opacity: 0.3;
    }
    90% {
opacity: 0.3;
    }
    100% {
transform: translateY(-100px) rotate(360deg);
opacity: 0;
    }
}

/* Header Styles */
.history-header {
    background: 
linear-gradient(rgba(10, 36, 99, 0.9), rgba(26, 18, 11, 0.95)),
url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M20,20 L80,20 L80,80 L20,80 Z" fill="none" stroke="%23D4AF37" stroke-width="2"/></svg>');
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    border-bottom: 8px solid var(--ancient-gold);
    margin-bottom: 3rem;
}

.history-title {
    font-family: 'Cinzel', serif;
    font-size: clamp(2.5rem, 5vw, 5rem);
    color: var(--ancient-gold);
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.8);
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
    line-height: 1.2;
}

.history-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.8rem);
    color: var(--papyrus-cream);
    max-width: 900px;
    margin: 0 auto;
    opacity: 0.9;
    font-weight: 300;
}

/* Main Content Layout */
.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
    padding: 0 2rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Timeline Feature */
.timeline-container {
    background: rgba(139, 115, 85, 0.1);
    border: 2px solid var(--ancient-gold);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 3rem;
    position: sticky;
    top: 2rem;
    height: fit-content;
}

.timeline-item {
    position: relative;
    padding: 1.5rem 0 1.5rem 2.5rem;
    border-left: 3px solid var(--ancient-gold);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 2rem;
    width: 16px;
    height: 16px;
    background: var(--ancient-gold);
    border-radius: 50%;
    border: 3px solid var(--stone-gray);
}

/* Article Content */
.article-content {
    background: rgba(245, 230, 211, 0.05);
    border-radius: 20px;
    padding: 3rem;
    backdrop-filter: blur(10px);
}

.section-title {
    font-family: 'Cinzel', serif;
    color: var(--ancient-gold);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin: 3rem 0 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid var(--ancient-gold);
    position: relative;
}

.section-title::after {
    content: '𓀀';
    position: absolute;
    right: 0;
    bottom: -5px;
    font-size: 1.5rem;
    opacity: 0.7;
}

/* Civilization Cards */
.civilization-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.civ-card {
    background: linear-gradient(145deg, rgba(212, 175, 55, 0.1), rgba(139, 115, 85, 0.1));
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.civ-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--ancient-gold), var(--hieroglyph-blue));
}

.civ-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--ancient-gold);
}

/* Interactive Elements */
.discovery-tool {
    background: rgba(10, 36, 99, 0.1);
    border: 2px dashed var(--hieroglyph-blue);
    border-radius: 15px;
    padding: 2.5rem;
    margin: 3rem 0;
    text-align: center;
}

.artifact-display {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.artifact {
    background: rgba(245, 230, 211, 0.1);
    border: 2px solid var(--stone-gray);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.artifact:hover {
    transform: scale(1.05);
    border-color: var(--ancient-gold);
    background: rgba(212, 175, 55, 0.1);
}

/* Quote Styling */
.ancient-quote {
    font-family: 'Cinzel', serif;
    font-size: 1.4rem;
    color: var(--ancient-gold);
    padding: 2.5rem;
    margin: 3rem 0;
    background: rgba(139, 115, 85, 0.1);
    border-left: 5px solid var(--ancient-gold);
    border-radius: 0 15px 15px 0;
    position: relative;
}

.ancient-quote::before {
    content: '"';
    font-size: 5rem;
    color: rgba(212, 175, 55, 0.2);
    position: absolute;
    left: 1rem;
    top: 0.5rem;
}

/* Responsive Design Improvements */
@media (max-width: 1200px) {
    .content-wrapper {
grid-template-columns: 1fr;
gap: 2rem;
    }
    
    .timeline-container {
position: static;
margin: 2rem auto;
max-width: 800px;
    }
}

@media (max-width: 768px) {
    .history-header {
padding: 3rem 1rem;
    }
    
    .content-wrapper {
padding: 0 1rem 3rem;
gap: 1.5rem;
    }
    
    .article-content {
padding: 2rem 1.5rem;
    }
    
    .civilization-grid {
grid-template-columns: 1fr;
gap: 1.5rem;
    }
    
    .artifact-display {
grid-template-columns: repeat(2, 1fr);
    }
    
    .discovery-tool {
padding: 1.5rem;
    }
    
    .section-title {
font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .history-title {
font-size: 2.2rem;
    }
    
    .history-subtitle {
font-size: 1.1rem;
    }
    
    .artifact-display {
grid-template-columns: 1fr;
    }
    
    .civ-card {
padding: 1.5rem;
    }
    
    .ancient-quote {
padding: 1.5rem;
font-size: 1.2rem;
    }
}

/* Print Styles */
@media print {
    body {
background: white;
color: black;
    }
    
    .history-container {
background: white;
    }
    
    .timeline-container,
    .discovery-tool,
    .artifact-display {
display: none;
    }
}

/* Dark/Light Mode Support */
@media (prefers-color-scheme: light) {
    body {
background: linear-gradient(135deg, #E6D5B8 0%, #F5E6D3 100%);
color: #2C1810;
    }
    
    .history-container {
background: rgba(245, 230, 211, 0.95);
    }
    
    .history-header {
background: linear-gradient(rgba(212, 175, 55, 0.9), rgba(245, 230, 211, 0.95));
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .hieroglyph,
    .civ-card,
    .artifact {
animation: none;
transition: none;
    }
    
    .civ-card:hover {
transform: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
--ancient-gold: #FFD700;
--stone-gray: #000000;
--papyrus-cream: #FFFFFF;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .civ-card:hover {
transform: none;
    }
    
    .artifact {
padding: 2rem;
margin: 1rem 0;
    }
}