.top-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            border-bottom: 2px solid #000;
            padding-bottom: 10px;
        }

        .male-muscle-label {
            background-color: #d32f2f; /* Red from original */
            color: #fff;
            padding: 5px 10px;
            font-weight: bold;
            font-size: 12px;
            text-transform: uppercase;
        }

        /* Main Title */
        .main-title {
            font-size: 48px;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 30px;
            text-transform: uppercase;
        }

        .big-number {
            color: #d32f2f;
            font-size: 100px;
            display: block;
            line-height: 0.8;
            margin-bottom: -20px;
        }

        /* Intro Text */
        .intro-text {
            font-size: 16px;
            margin-bottom: 30px;
            text-align: justify;
        }

        /* Key Principles Box */
        .key-principles {
            background-color: #f9f9f9;
            border-left: 5px solid #d32f2f;
            padding: 20px;
            margin-bottom: 30px;
        }

        .principle-item {
            margin-bottom: 15px;
        }

        .principle-title {
            font-weight: 900;
            font-size: 20px;
            text-transform: uppercase;
        }

        /* Content Sections */
        .content-section {
            margin-bottom: 40px;
        }

        .section-header {
            font-size: 24px;
            font-weight: 900;
            text-transform: uppercase;
            border-bottom: 3px solid #000;
            padding-bottom: 10px;
            margin-bottom: 20px;
        }

        .sub-section {
            margin-bottom: 20px;
        }

        .sub-title {
            font-weight: bold;
            font-size: 18px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        p {
            margin-bottom: 15px;
            text-align: justify;
        }

        /* Author Info */
        .author-info {
            font-size: 10px;
            color: #666;
            text-transform: uppercase;
            margin-bottom: 20px;
        }

        /* Responsive */
        @media (max-width: 600px) {
            .main-title {
                font-size: 36px;
            }
            .big-number {
                font-size: 72px;
            }
        }

 .content-section {
            margin-bottom: 40px;
        }

        .section-header {
            font-size: 24px;
            font-weight: 900;
            text-transform: uppercase;
            margin-bottom: 15px;
            color: #000;
        }

        .sub-section {
            margin-bottom: 25px;
            border-left: 4px solid #eee;
            padding-left: 15px;
        }

        .sub-title {
            font-weight: bold;
            font-size: 18px;
            text-transform: uppercase;
            margin-bottom: 10px;
            color: #d32f2f;
        }

        p {
            margin-bottom: 15px;
            text-align: justify;
        }

        ul {
            margin-bottom: 10px;
            padding-left: 20px;
        }

        li {
            margin-bottom: 5px;
        }

 .intro-text {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 30px;
            color: #000;
        }

        /* Subject Info */
        .subject-name {
            font-weight: 900;
            font-size: 20px;
            text-transform: uppercase;
            margin-bottom: 5px;
        }

        .subject-subtitle {
            font-size: 18px;
            font-weight: bold;
            line-height: 1.3;
            margin-bottom: 10px;
        }
.author-credit {
            font-size: 10px;
            color: #666;
            text-transform: uppercase;
            margin-bottom: 20px;
            display: block;
        }

        /* Yellow Box */
        .yellow-box {
            background-color: #fce300; /* Yellow original */
            padding: 20px;
            margin-bottom: 30px;
            font-weight: bold;
            line-height: 1.4;
        }
.article-body {
            font-size: 14px;
            line-height: 1.6;
            text-align: justify;
            margin-bottom: 30px;
        }

        .article-body p {
            margin-bottom: 15px;
        }

        /* Right Column Content (Objectives) */
        .objectives-list {
            margin: 20px 0;
            padding-left: 20px;
        }

        .objectives-list li {
            margin-bottom: 15px;
            font-weight: bold;
        }

        .objectives-list li span {
            font-weight: normal;
            display: block;
        }

        .number-highlight {
            color: #d32f2f;
            font-weight: 900;
            font-size: 1.2em;
        }
.main-quote {
            background-color: #fce300; /* Yellow from original */
            padding: 20px;
            margin-bottom: 30px;
            font-size: 24px;
            font-weight: bold;
            line-height: 1.3;
            text-transform: uppercase;
        }
.sub-header {
            font-weight: 900;
            font-size: 18px;
            text-transform: uppercase;
            margin-top: 30px;
            margin-bottom: 10px;
            color: #000;
        }

        .quote-text {
            font-style: italic;
            color: #333;
        }
 .highlight-phrase {
            font-weight: bold;
            text-transform: uppercase;
        }
 .yellow-box2 {
            background-color: #fce300;
            padding: 15px;
            margin: 20px 0;
            border-radius: 5px;
        }

        .yellow-box-title2 {
            font-weight: 900;
            text-transform: uppercase;
            font-size: 16px;
            margin-bottom: 5px;
        }

 .yellow-box2 ol {
            padding-left: 20px;
        }
        
        .yellow-box2 li {
            margin-bottom: 10px;
        }

 table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 14px;
        }

        th {
            background-color: #fce300;
            text-align: left;
            padding: 10px;
            text-transform: uppercase;
            font-weight: bold;
        }

        td {
            padding: 10px;
            border-bottom: 1px solid #ddd;
        }

        /* Responsive */
        @media (max-width: 600px) {
            .main-title {
                font-size: 36px;
            }
        }

  .circle-tip {
            background-color: var(--primary-yellow);
            border-radius: 50%;
            width: 200px;
            height: 200px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 20px;
            margin: 20px 0;
            font-weight: bold;
            font-size: 14px;
            line-height: 1.2;
        }

        .circle-tip strong {
            display: block;
            text-transform: uppercase;
            margin-bottom: 5px;
            font-size: 16px;
        }
.instruction-box {
            background-color: #f9f9f9;
            border-left: 5px solid var(--primary-red);
            padding: 20px;
            margin: 30px 0;
        }

        .instruction-title {
            background-color: var(--primary-red);
            color: white;
            display: inline-block;
            padding: 5px 10px;
            font-weight: bold;
            text-transform: uppercase;
            font-size: 14px;
            margin-bottom: 10px;
        }

        .instruction-header {
            font-weight: 900;
            font-size: 20px;
            text-transform: uppercase;
            margin-bottom: 15px;
        }
 .section-header {
            font-weight: 900;
            font-size: 20px;
            text-transform: uppercase;
            margin-bottom: 10px;
            color: #000;
        }

        

        .drop-cap {
            float: left;
            font-size: 60px;
            line-height: 0.8;
            padding-right: 10px;
            padding-top: 5px;
            font-weight: 900;
            font-family: 'Arial Black', sans-serif;
        }

 .instruction-box ol {
            padding-left: 20px;
        }

        .instruction-box li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .instruction-box li strong {
            text-transform: uppercase;
        }

 .instructions-section {
            margin-top: 40px;
        }

        .how-to-label {
            background-color: var(--primary-red);
            color: white;
            display: inline-block;
            padding: 5px 15px;
            font-weight: bold;
            text-transform: uppercase;
            font-size: 14px;
        }

        .exercise-name {
            background-color: #000;
            color: white;
            padding: 15px 20px;
            font-family: 'Arial Black', sans-serif;
            font-size: 32px;
            text-transform: uppercase;
            margin-bottom: 30px;
        }

        /* Steps Grid */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .step-item {
            border-left: 4px solid var(--primary-red);
            padding-left: 15px;
        }

        .step-number {
            font-size: 36px;
            font-weight: 900;
            color: var(--primary-red);
            line-height: 1;
            margin-bottom: 5px;
            display: block;
        }

        .step-header {
            font-weight: 900;
            text-transform: uppercase;
            font-size: 16px;
            margin-bottom: 5px;
            display: block;
        }

        .step-desc {
            font-size: 14px;
            line-height: 1.5;
        }
 @media (max-width: 600px) {
            .main-title {
                font-size: 42px;
            }
            .subtitle {
                font-size: 18px;
                max-width: 100%;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .quick-tip-container {
                justify-content: center;
            }
        }
 .reasons-list {
            list-style: none;
            padding: 0;
        }

        .reason-item {
            margin-bottom: 30px;
            border-left: 5px solid #000;
            padding-left: 15px;
        }

        .reason-number {
            font-family: 'Arial Black', sans-serif;
            font-size: 60px;
            line-height: 1;
            color: #000;
            float: left;
            margin-right: 15px;
            margin-top: -10px;
        }

        .reason-title {
            font-weight: 900;
            font-size: 20px;
            text-transform: uppercase;
            color: #d32f2f;
            display: block;
            margin-bottom: 10px;
            padding-top: 10px;
        }