:root {
    --bg-base: #03060c;
    --bg-surface: rgba(13, 22, 36, 0.7);
    --bg-card: #0a1120;
    --card-border: rgba(255, 255, 255, 0.05);
    --card-border-hover: rgba(56, 189, 248, 0.3);
    --shadow-base: 0 4px 10px rgba(0, 0, 0, 0.2);
    --shadow-lift: 0 15px 40px rgba(0, 0, 0, 0.4);
    
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    
    /* Perfecting the Blue -> Orange gradient from your logo */
    --accent: #38bdf8; /* Blue top */
    --accent-glow: rgba(56, 189, 248, 0.25);
    --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #fb923c 100%);
    --accent-orange: #f97316; /* Orange bottom */
    
    --code-bg: #010408;
    --alert-bg: rgba(251, 146, 60, 0.08); /* Derived from logo orange */
    --alert-border: rgba(251, 146, 60, 0.3);
    --alert-text: #fef3c7;
    
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    /* Subtle background grid */
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    background-attachment: fixed;
}

.main-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1rem 1.5rem 4rem 1.5rem;
}

/* Header & Hero Section - Restructured Stack */
.hero-container {
    text-align: center;
    padding: 6rem 1rem 5rem 1rem;
    background: radial-gradient(circle at center top, rgba(13, 22, 36, 1) 0%, var(--bg-base) 70%);
    border-bottom: 1px solid var(--card-border);
    margin-bottom: 2rem;
}

.logo-stack { margin-bottom: 2rem; }

/* Centered image logo with depth */
.eger-logo {
    display: block;
    max-width: 260px; /* Reduced slightly for premium feel */
    margin: 0 auto 1.5rem auto;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.1));
}

.hero-subtitle {
    color: var(--text-primary);
    font-size: 1.6rem;
    font-weight: 800;
    max-width: 720px;
    margin: 0 auto 1.25rem auto;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    color: var(--text-secondary);
    font-size: 1.15rem;
    max-width: 660px;
    margin: 0 auto 2.5rem auto;
    line-height: 1.7;
}

/* Badges and Actions Stacked below */
.header-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.badge-wrapper {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.badge {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent);
    border: 1px solid rgba(56, 189, 248, 0.25);
    padding: 0.35rem 1.1rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.1);
}

.badge.win-only {
    background: rgba(0, 120, 212, 0.15);
    color: #60a5fa;
    border-color: rgba(96, 165, 250, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

/* Nav Bar: Clear Separation and Better Hovers */
nav.nav-bar {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0.25rem;
    border-radius: 999px;
    background: var(--bg-surface);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.6rem 1.25rem;
    border-radius: 999px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.github-link { color: var(--text-primary); font-weight: 700; }
.github-link:hover { color: white; background: rgba(56, 189, 248, 0.08); }

/* Tactile Download Button */
.cta-container { margin-top: 1rem; }

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--accent-gradient);
    color: #03060c;
    padding: 1rem 2.75rem;
    border-radius: 0.85rem;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.1rem;
    box-shadow: 0 10px 30px var(--accent-glow);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 45px rgba(56, 189, 248, 0.4);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Alert Banner - More Integrated Orange */
.alert-banner {
    background-color: var(--alert-bg);
    border: 1px solid var(--alert-border);
    color: var(--alert-text);
    padding: 1.75rem;
    border-radius: 0.9rem;
    margin: 0rem 0 3.5rem 0;
    display: flex;
    gap: 1rem;
    box-shadow: var(--shadow-base);
    align-items: flex-start;
}

.alert-icon {
    color: var(--accent-orange);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.alert-content h3 {
    margin-bottom: 0.6rem;
    color: #fbbf24;
    font-weight: 800;
}

.alert-content p { font-size: 0.95rem; line-height: 1.6; color: rgba(254, 243, 199, 0.8); }

/* Architecture Cards - Improved grid and depth */
.section-grid-layout { margin: 5rem 0; }

.section-title {
    font-size: 2.1rem;
    font-weight: 800;
    margin-bottom: 1.75rem;
    border-left: 4px solid var(--accent);
    padding-left: 1rem;
    display: inline-block;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.75rem;
}

.card {
    background-color: var(--bg-card);
    padding: 2.25rem 2.25rem 2.5rem 2.25rem;
    border-radius: 0.9rem;
    border: 1px solid var(--card-border);
    transition: var(--transition);
    box-shadow: var(--shadow-base);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--card-border-hover);
    box-shadow: var(--shadow-lift);
}

.card:hover::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--accent-gradient);
}

.card-icon {
    font-size: 2.1rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.card h3 { margin-bottom: 0.9rem; font-weight: 700; font-size: 1.25rem; }
.card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; }

/* Code Syntax Preview - Full IDE Feel */
.premium-terminal {
    background-color: var(--code-bg);
    border-radius: 0.9rem;
    border: 1px solid var(--card-border);
    overflow: hidden;
    box-shadow: var(--shadow-lift);
}

.code-header {
    background-color: rgba(255, 255, 255, 0.03);
    padding: 0.8rem 1.25rem;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.dots { display: flex; gap: 0.45rem; }
.dot { width: 11px; height: 11px; border-radius: 50%; opacity: 0.8; }
.dot-red { background-color: #f87171; }
.dot-yellow { background-color: #fbbf24; }
.dot-green { background-color: #4ade80; }

.copy-button {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    padding: 0.35rem 0.8rem;
    border-radius: 0.35rem;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.copy-button:hover { background: rgba(255, 255, 255, 0.1); color: var(--text-primary); }

pre { padding: 1.75rem; overflow-x: auto; }
code { font-family: 'Fira Code', monospace; font-size: 0.9rem; color: #e2e8f0; line-height: 1.8; }

/* Refining Syntax highlighting for premium look */
.code-keyword { color: #f472b6; font-weight: 600; }
.code-var { color: var(--accent); }
.code-num { color: #fbbf24; }
.code-string { color: #34d399; }
.code-comment { color: #64748b; font-style: italic; opacity: 0.7; }

/* Footer */
.premium-footer {
    text-align: center;
    padding: 5rem 0 2rem 0;
    color: var(--text-secondary);
    border-top: 1px solid var(--card-border);
    font-size: 0.9rem;
}
.premium-footer p { margin-bottom: 0.5rem; }