:root {
            --primary-color: #ff3366;
            --secondary-color: #990033;
            --accent-color: #ffd700; /* Gold */
            --bg-color: #0b0205;     /* Very dark, near black-red */
            --bg-surface: #1a050a;
            --text-color: #e5c8cf;
            --text-bright: #fee8ed;
            --card-bg: rgba(40, 5, 12, 0.85);
            --card-border: rgba(255, 51, 102, 0.2);
            --glow-primary: rgba(255, 51, 102, 0.35);
            --glow-accent: rgba(255, 215, 0, 0.25);
        }

        * { box-sizing: border-box; }

        body {
            font-family: 'Lora', serif;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            background-color: var(--bg-color);
            color: var(--text-color);
            background-image:
                radial-gradient(ellipse at 20% 50%, rgba(153, 0, 51, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(255, 51, 102, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(255, 215, 0, 0.04) 0%, transparent 50%);
            background-attachment: fixed;
            min-height: 100vh;
        }

        /* Animated particles (flames/sparkles) */
        body::before {
            content: '';
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background-image:
                radial-gradient(1.5px 1.5px at 15% 25%, rgba(255, 51, 102, 0.5), transparent),
                radial-gradient(1px 1px at 35% 70%, rgba(255, 215, 0, 0.4), transparent),
                radial-gradient(2px 2px at 55% 15%, rgba(153, 0, 51, 0.6), transparent),
                radial-gradient(1px 1px at 75% 85%, rgba(255, 51, 102, 0.4), transparent),
                radial-gradient(1.5px 1.5px at 85% 45%, rgba(255, 215, 0, 0.3), transparent),
                radial-gradient(1px 1px at 45% 90%, rgba(200, 20, 60, 0.4), transparent);
            z-index: 0;
            pointer-events: none;
            animation: twinkle 6s ease-in-out infinite alternate;
        }

        @keyframes twinkle {
            0% { opacity: 0.5; }
            100% { opacity: 1; }
        }

        @keyframes slideUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes headerGlow {
            0%, 100% { text-shadow: 0 0 20px rgba(255, 51, 102, 0.5), 0 0 40px rgba(153, 0, 51, 0.4); }
            50% { text-shadow: 0 0 30px rgba(255, 51, 102, 0.8), 0 0 60px rgba(255, 51, 102, 0.6), 0 0 80px rgba(255, 215, 0, 0.3); }
        }

        /* Header / Hero Section */
        header {
            background: linear-gradient(135deg, #0a0103 0%, #2b040e 40%, #4a0715 70%, #1f030a 100%);
            color: #fff;
            padding: 6rem 2rem;
            text-align: center;
            margin-bottom: -3rem;
            position: relative;
            z-index: 1;
            border-bottom: 1px solid rgba(255, 51, 102, 0.2);
            overflow: hidden;
        }

        header::before {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background:
                linear-gradient(45deg, transparent 49%, rgba(255, 51, 102, 0.03) 50%, transparent 51%),
                linear-gradient(-45deg, transparent 49%, rgba(255, 51, 102, 0.03) 50%, transparent 51%);
            background-size: 40px 40px;
            pointer-events: none;
        }

        header::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0;
            width: 100%; height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary-color), var(--accent-color), var(--primary-color), transparent);
            box-shadow: 0 0 20px var(--primary-color);
        }

        header h1 {
            margin: 0;
            font-family: 'Cinzel', serif;
            font-size: 4rem;
            font-weight: 900;
            letter-spacing: 3px;
            animation: headerGlow 4s ease-in-out infinite;
            background: linear-gradient(135deg, #ff3366, #ffffff, #ffd700);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
            z-index: 1;
        }

        header p {
            font-size: 1.2rem;
            font-weight: 400;
            opacity: 0.9;
            max-width: 700px;
            margin: 1.2rem auto 0;
            letter-spacing: 1px;
            color: rgba(255, 220, 230, 0.85);
            position: relative;
            z-index: 1;
        }

        /* Main container */
        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 2;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        /* Cards (Sections) */
        section {
            background: var(--card-bg);
            margin: 30px 0;
            padding: 2.5rem;
            border-radius: 16px;
            border: 1px solid var(--card-border);
            box-shadow: 0 0 15px var(--glow-primary), inset 0 0 15px rgba(255, 51, 102, 0.05);
            transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
            animation: slideUp 0.6s ease-out backwards;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }

        section:hover {
            transform: translateY(-5px);
            box-shadow: 0 0 30px var(--glow-primary), 0 0 40px rgba(153, 0, 51, 0.2), inset 0 0 20px rgba(255, 51, 102, 0.1);
            border-color: rgba(255, 51, 102, 0.5);
        }

        /* Section titles */
        h2 {
            font-family: 'Cinzel', serif;
            color: var(--primary-color);
            font-size: 1.8rem;
            font-weight: 700;
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 12px;
            letter-spacing: 1px;
            text-shadow: 0 0 12px rgba(255, 51, 102, 0.4);
        }

        h2::after {
            content: '';
            flex: 1;
            height: 1px;
            background: linear-gradient(to right, var(--primary-color), transparent);
            margin-left: 15px;
            box-shadow: 0 0 8px rgba(255, 51, 102, 0.3);
        }

        h3 {
            font-family: 'Cinzel', serif;
            letter-spacing: 0.5px;
            color: #ff6680;
        }

        /* Lists */
        ul {
            list-style: none;
            padding: 0;
        }

        li {
            background: rgba(30, 5, 10, 0.6);
            padding: 15px 20px;
            margin-bottom: 12px;
            border-radius: 10px;
            border-left: 3px solid var(--primary-color);
            border-top: 1px solid rgba(255, 51, 102, 0.05);
            transition: all 0.3s ease;
        }

        li:hover {
            background: rgba(60, 10, 20, 0.6);
            border-left-color: var(--accent-color);
            transform: translateX(5px);
            box-shadow: 0 0 15px rgba(255, 51, 102, 0.15);
        }

        li b {
            color: var(--primary-color);
            font-family: 'Cinzel', serif;
            font-size: 1.1rem;
        }

        /* Highlight */
        .highlight {
            color: var(--accent-color);
            font-weight: 600;
            text-shadow: 0 0 8px rgba(255, 215, 0, 0.3);
        }

        a {
            color: var(--primary-color);
            text-decoration: none;
            border-bottom: 1px solid rgba(255, 51, 102, 0.3);
            transition: all 0.2s;
        }

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

        /* Tables */
        table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin: 1.5rem 0;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid rgba(255, 51, 102, 0.2);
            box-shadow: 0 0 20px rgba(153, 0, 51, 0.2);
        }

        thead {
            background: linear-gradient(135deg, rgba(60, 5, 20, 0.9), rgba(100, 10, 30, 0.9));
            color: #fff;
        }

        th {
            padding: 14px 18px;
            font-family: 'Cinzel', serif;
            font-weight: 600;
            text-align: left;
            border-bottom: 1px solid rgba(255, 51, 102, 0.3);
        }

        td {
            padding: 12px 18px;
            border-bottom: 1px solid rgba(255, 51, 102, 0.1);
        }

        tbody tr {
            background: rgba(20, 5, 10, 0.5);
            transition: background 0.3s;
        }

        tbody tr:hover {
            background: rgba(60, 10, 20, 0.4);
        }

        tbody tr:nth-child(even) {
            background: rgba(30, 5, 12, 0.5);
        }

        /* Mineral shapes (Hexagons for corundum) */
        .gem-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 2rem 0;
        }

        .gem-card {
            background: linear-gradient(145deg, rgba(40, 5, 12, 0.9), rgba(20, 2, 5, 0.9));
            border: 1px solid rgba(255, 51, 102, 0.3);
            border-radius: 8px; /* Could be a pentagon/hexagon, but let's keep it readable */
            padding: 20px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .gem-card::before {
            content: '';
            position: absolute;
            top: 2px; left: 2px; right: 2px; bottom: 2px;
            border: 1px solid rgba(255, 215, 0, 0.1);
            border-radius: 6px;
            pointer-events: none;
        }

        .gem-card .icon {
            font-size: 2.5rem;
            margin-bottom: 10px;
            display: block;
        }

        .gem-card .title {
            font-family: 'Cinzel', serif;
            color: var(--accent-color);
            font-size: 1.2rem;
            margin-bottom: 8px;
            font-weight: 700;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding: 20px 0;
            margin-top: 2rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0; bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, transparent, var(--primary-color), var(--accent-color), var(--primary-color), transparent);
            transform: translateX(-50%);
        }

        .timeline-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 30px;
            position: relative;
        }

        .timeline-item:nth-child(odd) { flex-direction: row-reverse; }

        .timeline-content {
            width: 44%;
            background: rgba(30, 5, 10, 0.8);
            border: 1px solid rgba(255, 51, 102, 0.2);
            border-radius: 8px;
            padding: 15px 20px;
        }

        .timeline-dot {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary-color);
            border: 3px solid var(--bg-color);
            box-shadow: 0 0 10px rgba(255, 51, 102, 0.8);
        }

        .timeline-year {
            font-family: 'Cinzel', serif;
            color: var(--accent-color);
            font-weight: 700;
            font-size: 1.2rem;
        }

        /* Navigation */
        .nav-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin: 2rem 0 0;
        }

        .nav-links a {
            font-family: 'Cinzel', serif;
            font-size: 0.8rem;
            letter-spacing: 1px;
            padding: 8px 18px;
            border: 1px solid rgba(255, 51, 102, 0.3);
            border-radius: 30px;
            color: #fff;
        }

        .nav-links a:hover {
            background: rgba(255, 51, 102, 0.15);
            border-color: var(--accent-color);
            color: var(--accent-color);
        }

        /* Quality bar (Pigeon blood color) */
        .color-bar {
            height: 25px;
            border-radius: 12px;
            background: linear-gradient(90deg, #ff99aa, #ff3366, #cc0033, #800020, #4d0013);
            margin: 10px 0;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* Footer */
        footer {
            text-align: center;
            padding: 3rem 20px;
            color: rgba(255, 51, 102, 0.5);
            font-family: 'Cinzel', serif;
            border-top: 1px solid rgba(255, 51, 102, 0.2);
        }

        @media (max-width: 768px) {
            .grid-2 { grid-template-columns: 1fr; }
            .timeline::before { left: 20px; }
            .timeline-item, .timeline-item:nth-child(odd) { flex-direction: column; padding-left: 45px; }
            .timeline-content { width: 100%; }
            .timeline-dot { left: 20px; }
            header h1 { font-size: 2.5rem; }
        }