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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f0f3f7;
            color: #1e2b38;
            line-height: 1.6;
            padding: 2rem 1rem;
        }

        .coin-guide {
            max-width: 1000px;
            margin: 0 auto;
            background: white;
            border-radius: 2.5rem;
            box-shadow: 0 25px 40px -15px rgba(25, 45, 55, 0.25);
            overflow: hidden;
            padding: 2.8rem 3.2rem;
            border: 1px solid rgba(175, 140, 95, 0.15);
        }

        h1 {
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: #1e3b4f;
            border-left: 8px solid #b87c4b; /* antique bronze */
            padding-left: 1.5rem;
            margin-bottom: 0.6rem;
        }

        .subhead {
            font-size: 1.3rem;
            color: #3a566b;
            margin-bottom: 2.3rem;
            font-weight: 400;
            border-bottom: 2px solid #e0d9cf;
            padding-bottom: 1.2rem;
        }

        h2 {
            font-size: 2.1rem;
            font-weight: 650;
            margin: 2.8rem 0 1.5rem 0;
            color: #1f4059;
            border-bottom: 3px solid #dbc9b5;
            padding-bottom: 0.5rem;
        }

        h3 {
            font-size: 1.6rem;
            font-weight: 600;
            margin: 2rem 0 1rem 0;
            color: #2c5a4f; /* subtle military green hint */
        }

        .section-card {
            background: #f9f7f4;
            border-radius: 2rem;
            padding: 1.8rem 2.2rem;
            margin: 2rem 0;
            border: 1px solid #ddd2c5;
            box-shadow: 0 6px 12px rgba(80, 65, 45, 0.05);
        }

        .section-card h3 {
            margin-top: 0;
            border-bottom: 1px dashed #bbaa99;
            padding-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #2b4f3b;
        }

        ul, ol {
            margin: 1rem 0 1rem 1.8rem;
        }

        li {
            margin-bottom: 0.4rem;
        }

        .mil-note {
            background: #ebe1d5;
            border-left: 6px solid #9b7e62;
            padding: 1.2rem 2rem;
            border-radius: 1.2rem;
            margin: 1.8rem 0;
            font-weight: 500;
            color: #2b3e4a;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }

        .feature-tag {
            background: #e6ded5;
            padding: 0.8rem 1.2rem;
            border-radius: 3rem;
            font-weight: 500;
            color: #1d3e44;
            text-align: center;
            border: 1px solid #bba88c;
        }

        .table-wrap {
            overflow-x: auto;
            margin: 2rem 0;
            border-radius: 1.5rem;
            background: #f4efe9;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            background: #fcfaf7;
        }

        th {
            background: #806d5a;
            color: white;
            font-weight: 600;
            padding: 0.9rem 1.2rem;
            text-align: left;
        }

        td {
            padding: 0.9rem 1.2rem;
            border-bottom: 1px solid #dacfc4;
        }

        .badge-icon {
            background: #8a7b66;
            color: white;
            border-radius: 30px;
            padding: 0.2rem 1rem;
            font-size: 0.9rem;
            display: inline-block;
            margin-right: 0.5rem;
        }

        .faq-item {
            margin: 1.8rem 0;
            border-bottom: 1px solid #cfc3b6;
            padding-bottom: 1.5rem;
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.2rem;
            color: #1e4a5c;
            margin-bottom: 0.4rem;
        }

        hr {
            border: none;
            border-top: 2px solid #cfc1b2;
            margin: 2.5rem 0 1.5rem;
        }

        .footer-note {
            text-align: center;
            color: #5b6f7e;
            font-size: 0.95rem;
            margin-top: 2rem;
        }

        @media (max-width: 650px) {
            .coin-guide { padding: 1.8rem; }
            h1 { font-size: 2.2rem; }
        }