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

        body {
            font-family: 'Source Sans Pro', sans-serif;
            background: linear-gradient(135deg, #0a0a1a 0%, #0d1528 30%, #0a0a1a 100%);
            min-height: 100vh;
            color: #E6EDF3;
            position: relative;
            overflow-x: hidden;
        }

        /* Stars background */
        .stars {
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            overflow: hidden;
            z-index: 0;
            pointer-events: none;
        }
        .stars::before, .stars::after {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background-image:
                radial-gradient(1.5px 1.5px at 20px 30px, rgba(255,255,255,1), transparent),
                radial-gradient(1.2px 1.2px at 40px 70px, rgba(200,220,255,0.9), transparent),
                radial-gradient(2px 2px at 50px 160px, rgba(255,255,255,1), transparent),
                radial-gradient(1.2px 1.2px at 90px 40px, rgba(255,240,220,1), transparent),
                radial-gradient(1.5px 1.5px at 130px 80px, rgba(200,220,255,0.8), transparent),
                radial-gradient(2.5px 2.5px at 160px 120px, rgba(255,255,255,1), transparent),
                radial-gradient(1px 1px at 200px 50px, rgba(255,255,255,0.7), transparent),
                radial-gradient(1.5px 1.5px at 220px 150px, rgba(200,220,255,1), transparent),
                radial-gradient(1.2px 1.2px at 260px 90px, rgba(255,240,220,0.9), transparent),
                radial-gradient(2px 2px at 300px 20px, rgba(255,255,255,1), transparent),
                radial-gradient(1.2px 1.2px at 350px 130px, rgba(200,220,255,0.8), transparent),
                radial-gradient(1.5px 1.5px at 400px 60px, rgba(255,255,255,1), transparent),
                radial-gradient(1.2px 1.2px at 450px 170px, rgba(255,240,220,1), transparent),
                radial-gradient(2.5px 2.5px at 500px 100px, rgba(255,255,255,1), transparent),
                radial-gradient(1px 1px at 550px 40px, rgba(200,220,255,0.7), transparent),
                radial-gradient(1.5px 1.5px at 600px 140px, rgba(255,255,255,0.9), transparent),
                radial-gradient(1.2px 1.2px at 650px 80px, rgba(255,240,220,1), transparent),
                radial-gradient(2px 2px at 700px 30px, rgba(255,255,255,1), transparent),
                radial-gradient(1.2px 1.2px at 750px 110px, rgba(200,220,255,0.8), transparent),
                radial-gradient(1.5px 1.5px at 800px 160px, rgba(255,255,255,1), transparent);
            background-repeat: repeat;
            background-size: 850px 250px;
            animation: twinkle 8s ease-in-out infinite;
        }
        .stars::after {
            background-image:
                radial-gradient(1px 1px at 15px 45px, rgba(255,255,255,0.8), transparent),
                radial-gradient(1.5px 1.5px at 75px 120px, rgba(200,220,255,1), transparent),
                radial-gradient(1px 1px at 110px 20px, rgba(255,240,220,0.9), transparent),
                radial-gradient(2px 2px at 180px 180px, rgba(255,255,255,1), transparent),
                radial-gradient(1px 1px at 240px 60px, rgba(200,220,255,0.7), transparent),
                radial-gradient(1.5px 1.5px at 320px 140px, rgba(255,255,255,1), transparent),
                radial-gradient(1px 1px at 380px 30px, rgba(255,240,220,0.8), transparent),
                radial-gradient(2px 2px at 440px 100px, rgba(255,255,255,1), transparent),
                radial-gradient(1px 1px at 520px 170px, rgba(200,220,255,0.9), transparent),
                radial-gradient(1.5px 1.5px at 580px 50px, rgba(255,255,255,1), transparent),
                radial-gradient(1px 1px at 630px 130px, rgba(255,240,220,0.8), transparent),
                radial-gradient(1.5px 1.5px at 700px 90px, rgba(200,220,255,1), transparent),
                radial-gradient(1px 1px at 770px 170px, rgba(255,255,255,0.9), transparent),
                radial-gradient(2px 2px at 830px 40px, rgba(255,255,255,1), transparent),
                radial-gradient(1px 1px at 480px 200px, rgba(255,240,220,0.7), transparent);
            background-size: 870px 280px;
            animation-delay: -4s;
            animation-duration: 12s;
            opacity: 0.9;
        }
        @keyframes twinkle {
            0%, 100% { opacity: 0.8; }
            50% { opacity: 1; }
        }
        @keyframes twinkle2 {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 1; }
        }

        /* Shooting stars */
        .shooting-star {
            position: fixed;
            width: 100px; height: 2px;
            background: linear-gradient(90deg, #00D4FF, transparent);
            border-radius: 50%;
            animation: shoot 8s ease-in-out infinite;
            opacity: 0;
        }
        .shooting-star::before {
            content: '';
            position: absolute;
            width: 6px; height: 6px;
            background: white;
            border-radius: 50%;
            box-shadow: 0 0 10px #00D4FF, 0 0 20px #00D4FF;
            left: 0; top: -2px;
        }
        .shooting-star:nth-child(1) { top: 10%; left: 80%; animation-delay: 2s; }
        .shooting-star:nth-child(2) { top: 40%; left: 60%; animation-delay: 14s; animation-duration: 10s; }
        @keyframes shoot {
            0% { transform: translateX(0) translateY(0) rotate(-35deg); opacity: 0; }
            2% { opacity: 1; }
            10% { transform: translateX(-250px) translateY(120px) rotate(-35deg); opacity: 0; }
            100% { transform: translateX(-250px) translateY(120px) rotate(-35deg); opacity: 0; }
        }

        /* Main content */
        .content {
            position: relative;
            z-index: 1;
            max-width: 860px;
            margin: 0 auto;
            padding: 3rem 2rem;
            background: #0a0c14;
            background-image:
                linear-gradient(rgba(255,255,255,0.006) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.006) 1px, transparent 1px),
                radial-gradient(ellipse at 20% 50%, rgba(25,25,28,0.3) 0%, transparent 70%),
                radial-gradient(ellipse at 80% 50%, rgba(22,22,25,0.2) 0%, transparent 70%);
            background-size: 80px 80px, 80px 80px, 100% 100%, 100% 100%;
            border-radius: 0;
            border-left: 12px solid #3a3a3a;
            border-right: 12px solid #3a3a3a;
            box-shadow: inset 0 0 80px rgba(0,0,0,0.3), 0 0 60px rgba(0,0,0,0.5);
            color: #e8e4d8;
        }
        /* ===== CHALK ON BLACKBOARD ===== */
        .content .prose { color: #e0dcd0; }
        .content .prose strong { color: #ffffff; }
        .content .prose em { color: #f5e6a0; font-style: italic; }
        .content .prose .cyan { color: #a0d8ef; }
        .content .section-title { color: #f5e6a0; text-shadow: 0 0 8px rgba(245,230,160,0.15); }
        .content .key-concept { border-left-color: rgba(245,230,160,0.4); }
        .content .key-concept p { color: #d8d4c8; }
        .content .key-concept strong { color: #ffffff; }
        .content .error-caption { color: #c8c4b8; }
        .content .error-bar-label { color: #d0ccc0; }
        .content .error-bar-value { color: #b0aca0; }
        .content .golden-box { border-color: rgba(245,230,160,0.25); box-shadow: 0 0 15px rgba(245,230,160,0.05); }
        .content .golden-box p { color: #d8d4c8; }
        .content .golden-box strong { color: #ffffff; }
        .content .golden-box-title { color: #f5e6a0; }
        .content .cyan-box p { color: #d8d4c8; }
        .content .cyan-box strong { color: #ffffff; }
        .content .sigma-note { border-color: rgba(245,230,160,0.25); }
        .content .sigma-note p { color: #d8d4c8; }
        .content .sigma-note strong { color: #f5e6a0; }
        .content .formula-box { border-color: rgba(245,230,160,0.2); }
        .content .formula-box .formula-label { color: #a0d8ef; }
        .content .formula-box .formula-explain { color: #c8c4b8; }
        .content .formula-box .formula-explain strong { color: #ffffff; }
        .content .step-table th { background: rgba(245,230,160,0.06); color: #a0d8ef; border-bottom-color: rgba(160,216,239,0.2); }
        .content .step-table td { color: #e0dcd0; border-bottom-color: rgba(255,255,255,0.06); }
        .content .step-table td:first-child { color: #f5e6a0; }
        .content .comparison-table th { background: rgba(245,230,160,0.06); color: #a0d8ef; border-bottom-color: rgba(160,216,239,0.2); }
        .content .comparison-table td { color: #e0dcd0; border-bottom-color: rgba(255,255,255,0.05); }
        .content .comparison-table .highlight-row td { color: #a0d8ef; }
        .content .timeline-name { color: #d0ccc0; }
        .content .timeline-year { color: #a0a090; }
        .content .timeline-arrow { color: #a0d8ef; }
        .content .timeline-item.current .timeline-name { color: #f5e6a0; text-shadow: 0 0 6px rgba(245,230,160,0.2); }
        .content .timeline-item.current .timeline-year { color: #f5e6a0; }
        .content .big-number { color: #a0d8ef; text-shadow: 0 0 10px rgba(160,216,239,0.2); }
        .content .big-subtitle { color: #f5e6a0; }
        .content .back-link { color: #a0a090; }
        .content .back-link:hover { color: #f5e6a0; }
        .content .closing-quote { color: #f5e6a0; }
        .content .closing-author { color: #a0a090; }
        .content .ip-notice { border-color: rgba(245,230,160,0.15); }
        .content .ip-notice-text { color: #b8b4a8; }
        .content .ip-notice-text strong { color: #e0dcd0; }
        .content .ip-notice-email { color: #a0d8ef; }
        .content .ip-notice-email:hover { color: #f5e6a0; }
        .content .home-btn { background: rgba(160,216,239,0.1); border-color: rgba(160,216,239,0.4); color: #a0d8ef; }
        .content .home-btn:hover { background: rgba(160,216,239,0.2); color: #ffffff; }
        .content .page-footer { color: #8a8a7a; }
        .content .divider { background: linear-gradient(90deg, transparent, rgba(245,230,160,0.4), transparent); }
        .content .prologue-quote { color: #f5e6a0; }
        .content .cover-caption { color: #f5e6a0; }
        .content .formula-hero { border-color: rgba(180,170,130,0.12); background: rgba(16,16,18,0.5); }
        .content .formula-hero-label { color: #b0a878; }
        .content .formula-hero-subtitle { color: #7a7870; }
        .content .formula-hero-math { color: #d0ccc0; }
        .content .formula-hero-result { color: #b0a878; text-shadow: none; }
        .content .formula-hero-badge { color: #0a0c14; background: linear-gradient(135deg, #a09870 0%, #b0a878 50%, #a09870 100%); box-shadow: none; }
        .content .formula-hero-legend span { color: #908c80; background: rgba(255,255,255,0.02); border-color: rgba(255,255,255,0.05); }
        .content .formula-hero-legend span strong { color: #b0a878; }
        .content .formula-hero-author { color: #6a6a60; }

        /* Back link */
        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: #8B949E;
            text-decoration: none;
            font-size: 0.9rem;
            margin-bottom: 2.5rem;
            transition: color 0.3s;
        }
        .back-link:hover { color: #00D4FF; }

        /* Cover image section */
        .cover-section {
            text-align: center;
            margin-bottom: 2rem;
        }
        .cover-section img {
            max-width: 440px;
            width: 100%;
            border-radius: 12px;
            box-shadow:
                0 8px 40px rgba(0, 0, 0, 0.6),
                0 0 60px rgba(0, 212, 255, 0.1),
                0 0 120px rgba(251, 191, 36, 0.05);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
        }
        .cover-section img:hover {
            transform: scale(1.02);
            box-shadow:
                0 12px 50px rgba(0, 0, 0, 0.7),
                0 0 80px rgba(0, 212, 255, 0.15),
                0 0 150px rgba(251, 191, 36, 0.08);
        }
        .cover-caption {
            font-family: 'Cormorant Garamond', serif;
            font-size: 1.15rem;
            font-style: italic;
            color: #FBBF24;
            margin-top: 1.2rem;
            opacity: 0.85;
        }

        /* Section titles */
        .section-title {
            font-family: 'Cormorant Garamond', serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: #00D4FF;
            text-align: center;
            margin-bottom: 1.8rem;
            text-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
        }

        /* Divider */
        .divider {
            width: 150px;
            height: 2px;
            background: linear-gradient(90deg, transparent, #00D4FF, transparent);
            margin: 3rem auto;
        }

        /* Prose paragraphs - divulgative text */
        .prose {
            font-size: 1.05rem;
            color: #b0b8c2;
            line-height: 2;
            max-width: 720px;
            margin: 0 auto 1.5rem;
            text-align: left;
        }
        .prose strong { font-weight: 600; }
        .prose em { font-style: italic; }

        /* Key concept boxes */
        .key-concept {
            max-width: 680px;
            margin: 2rem auto;
            padding: 1.5rem 1.8rem;
            border-left: 5px solid #00D4FF;
            background: rgba(0, 212, 255, 0.02);
            border-radius: 4px;
        }
        .key-concept p { margin: 0; }

        /* Golden boxes */
        .golden-box {
            max-width: 680px;
            margin: 2rem auto;
            padding: 1.8rem 2rem;
            border: 1px solid rgba(251, 191, 36, 0.2);
            border-radius: 8px;
            background: transparent;
            box-shadow: 0 0 25px rgba(251, 191, 36, 0.05);
        }
        .golden-box-title {
            font-family: 'Cormorant Garamond', serif;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .golden-box p { margin: 0 0 1rem 0; }
        .golden-box p:last-child { margin-bottom: 0; }

        /* Cyan boxes */
        .cyan-box {
            max-width: 680px;
            margin: 2rem auto;
            padding: 1.8rem 2rem;
            border: 1px solid rgba(0, 212, 255, 0.15);
            border-radius: 8px;
            background: rgba(0, 212, 255, 0.02);
        }
        .cyan-box p { margin: 0 0 1rem 0; }
        .cyan-box p:last-child { margin-bottom: 0; }

        /* Sigma note */
        .sigma-note {
            max-width: 680px;
            margin: 2rem auto;
            padding: 1.5rem 1.8rem;
            border-left: 5px solid rgba(245, 230, 160, 0.5);
            background: rgba(245, 230, 160, 0.02);
            border-radius: 4px;
        }
        .sigma-note p { margin: 0; }

        /* Formula boxes */
        .formula-box {
            max-width: 720px;
            margin: 2rem auto;
            padding: 1.8rem 2rem;
            border: 1px solid rgba(160, 216, 239, 0.2);
            border-radius: 8px;
            background: rgba(0, 212, 255, 0.01);
        }
        .formula-label {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }
        .formula-explain {
            margin-top: 1rem;
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* Step tables */
        .step-table {
            width: 100%;
            max-width: 720px;
            margin: 2rem auto;
            border-collapse: collapse;
        }
        .step-table th {
            background: rgba(251, 191, 36, 0.06);
            color: #00D4FF;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.8rem 1rem;
            text-align: center;
            letter-spacing: 1px;
            text-transform: uppercase;
            border-bottom: 1px solid rgba(0, 212, 255, 0.2);
        }
        .step-table td {
            padding: 0.7rem 1rem;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.95rem;
            color: #c0c8d2;
        }
        .step-table tr:last-child td { border-bottom: none; }

        /* Error visualization */
        .error-viz {
            max-width: 720px;
            margin: 2.5rem auto;
        }
        .error-bars {
            display: flex;
            justify-content: center;
            align-items: flex-end;
            gap: 3rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
        .error-bar-group {
            display: flex;
            flex-direction: column;
            align-items: center;
            flex: 1;
            max-width: 180px;
        }
        .error-bar-label {
            font-size: 0.85rem;
            color: #8B949E;
            margin-bottom: 0.5rem;
            text-align: center;
            font-weight: 600;
        }
        .error-bar-value {
            font-size: 0.75rem;
            color: #586069;
            margin-bottom: 0.5rem;
            text-align: center;
        }
        .error-bar {
            width: 80px;
            border-radius: 4px 4px 0 0;
            position: relative;
        }
        .error-bar-newton {
            height: 300px;
            background: linear-gradient(180deg, #ef4444 0%, #991b1b 100%);
            box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
        }
        .error-bar-einstein {
            height: 36px;
            background: linear-gradient(180deg, #FBBF24 0%, #b45309 100%);
            box-shadow: 0 0 15px rgba(251, 191, 36, 0.3);
        }
        .error-bar-haquaris {
            height: 1px;
            background: #00D4FF;
            box-shadow: 0 0 15px rgba(0, 212, 255, 0.8), 0 0 30px rgba(0, 212, 255, 0.4);
            position: relative;
        }
        .error-bar-haquaris::after {
            content: '~0';
            position: absolute;
            bottom: 8px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 0.9rem;
            color: #00D4FF;
            font-weight: 700;
            white-space: nowrap;
        }
        .error-bar-name {
            margin-top: 0.8rem;
            font-family: 'Cormorant Garamond', serif;
            font-size: 1.1rem;
            font-weight: 600;
        }
        .error-bar-name.newton { color: #ef4444; }
        .error-bar-name.einstein { color: #FBBF24; }
        .error-bar-name.haquaris { color: #00D4FF; }

        .error-caption {
            text-align: center;
            font-size: 0.9rem;
            color: #8B949E;
            font-style: italic;
            line-height: 1.6;
        }

        /* Comparison table */
        .comparison-table {
            width: 100%;
            max-width: 720px;
            margin: 2rem auto;
            border-collapse: collapse;
        }
        .comparison-table th {
            background: rgba(251, 191, 36, 0.06);
            color: #00D4FF;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.8rem 1rem;
            text-align: center;
            letter-spacing: 1px;
            text-transform: uppercase;
            border-bottom: 1px solid rgba(0, 212, 255, 0.2);
        }
        .comparison-table td {
            padding: 0.7rem 1rem;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.95rem;
            color: #c0c8d2;
        }
        .comparison-table tr:last-child td { border-bottom: none; }
        .comparison-table .highlight-row td {
            color: #00D4FF;
            font-weight: 600;
            background: transparent;
        }

        /* Timeline */
        .timeline {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            max-width: 900px;
            margin: 2.5rem auto;
            padding: 0 1rem;
        }
        .timeline-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .timeline-name {
            font-family: 'Cormorant Garamond', serif;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.3rem;
        }
        .timeline-year {
            font-size: 0.8rem;
            opacity: 0.7;
        }
        .timeline-item.current {
            background: rgba(0, 212, 255, 0.1);
            padding: 0.8rem 1.2rem;
            border-radius: 6px;
            border: 1px solid rgba(0, 212, 255, 0.3);
        }
        .timeline-arrow {
            font-size: 1.2rem;
            opacity: 0.5;
        }
        @media (max-width: 768px) {
            .timeline-arrow {
                transform: rotate(90deg);
                margin: 0.5rem 0;
            }
        }

        /* Big numbers */
        .big-number {
            font-family: 'Cormorant Garamond', serif;
            font-size: 3.5rem;
            font-weight: 700;
            text-align: center;
            margin: 1.5rem 0 0.5rem;
            line-height: 1.2;
        }
        .big-subtitle {
            font-family: 'Cormorant Garamond', serif;
            font-size: 1.4rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 2rem;
        }

        /* Closing section */
        .closing {
            text-align: center;
            margin: 3rem auto;
            max-width: 680px;
        }
        .closing-quote {
            font-family: 'Cormorant Garamond', serif;
            font-size: 1.4rem;
            font-style: italic;
            line-height: 2;
            margin-bottom: 1.5rem;
        }
        .closing-author {
            font-family: 'Cormorant Garamond', serif;
            font-size: 1rem;
            letter-spacing: 3px;
            text-transform: uppercase;
        }

        /* Home button */
        .home-btn {
            display: inline-block;
            padding: 0.9rem 2.2rem;
            background: rgba(160, 216, 239, 0.1);
            border: 1px solid rgba(160, 216, 239, 0.4);
            border-radius: 6px;
            color: #a0d8ef;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s;
            cursor: pointer;
        }
        .home-btn:hover {
            background: rgba(160, 216, 239, 0.2);
            color: #ffffff;
        }

        /* IP Notice */
        .ip-notice {
            max-width: 720px;
            margin: 2.5rem auto;
            padding: 1.5rem 1.8rem;
            border: 1px solid rgba(245, 230, 160, 0.15);
            border-radius: 8px;
            background: rgba(0, 0, 0, 0.3);
        }
        .ip-notice-text {
            font-size: 0.85rem;
            line-height: 1.7;
            margin: 0;
        }
        .ip-notice-email {
            color: #a0d8ef;
            text-decoration: none;
            transition: color 0.3s;
        }
        .ip-notice-email:hover {
            color: #f5e6a0;
        }

        /* Page footer */
        .page-footer {
            text-align: center;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-family: 'Cormorant Garamond', serif;
            font-size: 1.2rem;
            font-style: italic;
            opacity: 0.7;
        }

        /* Prologue */
        .prologue {
            text-align: center;
            margin: 1.5rem 0;
        }
        .prologue-quote {
            font-family: 'Cormorant Garamond', serif;
            font-size: 1.4rem;
            font-style: italic;
            color: #f5e6a0;
            line-height: 2;
        }

        /* Formula hero section */
        .formula-hero {
            max-width: 680px;
            margin: 2.5rem auto;
            padding: 2.5rem 2rem;
            border: 1px solid rgba(180, 170, 130, 0.12);
            border-radius: 12px;
            background: rgba(16, 16, 18, 0.5);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .formula-hero::before {
            content: '';
            position: absolute;
            top: -50%; left: -50%;
            width: 200%; height: 200%;
            background: conic-gradient(from 0deg, transparent 0%, rgba(201,162,39,0.03) 25%, transparent 50%, rgba(201,162,39,0.02) 75%, transparent 100%);
            animation: heroGlow 20s linear infinite;
            pointer-events: none;
        }
        @keyframes heroGlow {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        .formula-hero-label {
            font-family: 'Source Sans Pro', sans-serif;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 4px;
            text-transform: uppercase;
            color: #FBBF24;
            margin-bottom: 0.3rem;
            position: relative;
        }
        .formula-hero-subtitle {
            font-family: 'Cormorant Garamond', serif;
            font-size: 0.95rem; font-style: italic;
            color: #b0b8c2; margin-bottom: 1.5rem;
            letter-spacing: 1px; position: relative;
        }
        .formula-hero-math { font-size: 1.15rem; color: #E6EDF3; margin: 1rem 0; position: relative; }
        .formula-hero-result {
            font-family: 'Cormorant Garamond', serif;
            font-size: 2.2rem; font-weight: 700;
            color: #FDE68A; margin: 1rem 0 0.5rem;
            text-shadow: 0 0 30px rgba(201,162,39,0.4), 0 0 60px rgba(201,162,39,0.15);
            position: relative;
        }
        .formula-hero-badge {
            display: inline-block;
            font-family: 'Source Sans Pro', sans-serif;
            font-size: 1.15rem; font-weight: 700;
            color: #0a0a1a;
            background: linear-gradient(135deg, #FBBF24 0%, #FDE68A 50%, #FBBF24 100%);
            padding: 0.6rem 1.8rem; border-radius: 50px;
            margin: 1rem 0; letter-spacing: 1px;
            box-shadow: 0 0 25px rgba(201,162,39,0.4), 0 4px 15px rgba(0,0,0,0.3);
            position: relative;
        }
        .formula-hero-legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.2rem; margin-top: 1.2rem; position: relative; }
        .formula-hero-legend span {
            font-size: 0.78rem; color: #b0b8c2;
            background: rgba(255,255,255,0.03); padding: 0.3rem 0.7rem;
            border-radius: 20px; border: 1px solid rgba(255,255,255,0.06);
        }
        .formula-hero-legend span strong { color: #FBBF24; }
        .formula-hero-author {
            font-family: 'Cormorant Garamond', serif;
            font-size: 0.9rem; font-style: italic;
            color: rgba(251, 191, 36, 0.15);
            margin-top: 1.2rem;
            letter-spacing: 1px;
            position: relative;
        }

/* ===== PROTECTIONS ===== */
html, body {
    overflow-x: hidden;
}
body {
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    user-select: none !important;
}

@media print {
    body { display: none !important; }
}