:root {
            --pastel-bg: linear-gradient(135deg, #fff0f5 0%, #f0f8ff 100%);
            --card-bg: #ffffff;
            --text-main: #2c3e50;
            --text-muted: #7f8c8d;
            --accent-red: #ff4757;
            --accent-black: #2f3542;
            --accent-yellow: #ffeaa7;
            --accent-blue: #74b9ff;
            --accent-green: #55efc4;
        }

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

        body2 {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: var(--pastel-bg);
            color: var(--text-main);
            line-height: 1.6;
            padding: 20px;
            min-height: 100vh;
        }

        .container2 {
            max-width: 1400px;
            margin: 0 auto;
            background: var(--card-bg);
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        /* Header */
        .header {
            background: linear-gradient(135deg, #ff4757 0%, #ff6b81 100%);
            color: white;
            padding: 50px 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: repeating-linear-gradient(
                45deg,
                transparent,
                transparent 20px,
                rgba(255, 255, 255, 0.1) 20px,
                rgba(255, 255, 255, 0.1) 40px
            );
            animation: moveStripes 20s linear infinite;
        }

        @keyframes moveStripes {
            0% { transform: translate(0, 0); }
            100% { transform: translate(40px, 40px); }
        }

        .main-title {
            font-size: clamp(2.5rem, 7vw, 4.5rem);
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            position: relative;
            z-index: 1;
            margin-bottom: 15px;
            text-shadow: 3px 3px 0px rgba(0,0,0,0.2);
            line-height: 1.1;
        }

        .main-title span {
            display: block;
        }
        
        .main-title .red-text { color: #fff; } /* Inverted for contrast on red bg */
        .main-title .black-text { color: #2f3542; background: white; display: inline-block; padding: 0 10px; border-radius: 5px;}

        .subtitle {
            font-size: 1.2rem;
            font-weight: 600;
            position: relative;
            z-index: 1;
            opacity: 0.95;
            max-width: 600px;
            margin: 0 auto;
        }

        .credits {
            font-size: 0.8rem;
            position: relative;
            z-index: 1;
            margin-top: 20px;
            opacity: 0.8;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Content Layout */
        .content {
            padding: 40px 20px;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        /* Model Info Box */
        .model-info {
            background: #f1f2f6;
            padding: 20px;
            border-radius: 10px;
            border-left: 5px solid var(--accent-red);
            margin-bottom: 20px;
            font-size: 0.9rem;
        }
        
        .model-info strong { display: block; margin-bottom: 5px; color: var(--accent-red); text-transform: uppercase;}

        /* Intro Text */
        .intro-text {
            background: linear-gradient(135deg, #fff5f5 0%, #f0f4ff 100%);
            padding: 20px;
            border-radius: 15px;
            border-left: 5px solid var(--accent-red);
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }

        .intro-text p {
            font-size: 1.1rem;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .intro-text p:first-child::first-letter {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--accent-red);
            float: left;
            margin-right: 10px;
            line-height: 0.8;
        }

        /* Workout Section */
        .workout-section {
            background: #fff;
            border: 2px solid #f1f2f6;
            border-radius: 15px;
            padding: 20px;
        }

        .workout-header {
            font-size: 1.5rem;
            font-weight: 900;
            text-transform: uppercase;
            color: var(--accent-black);
            margin-bottom: 10px;
            border-bottom: 3px solid var(--accent-red);
            padding-bottom: 10px;
            display: inline-block;
        }

        .workout-instructions {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 30px;
            font-style: italic;
        }

        /* Sets Grid */
        .sets-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 600px) {
            .sets-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .set-card {
            background: #f8f9fa;
            border-radius: 12px;
            padding: 20px;
            border-top: 5px solid;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            transition: transform 0.2s;
        }

        .set-card:hover {
            transform: translateY(-3px);
        }

        /* Alternating colors for sets */
        .set-card:nth-child(1) { border-color: #ff7675; background: #fff0f0; }
        .set-card:nth-child(2) { border-color: #74b9ff; background: #f0f8ff; }
        .set-card:nth-child(3) { border-color: #55efc4; background: #f0fff4; }
        .set-card:nth-child(4) { border-color: #ffeaa7; background: #fffdf0; }
        .set-card:nth-child(5) { border-color: #a29bfe; background: #f8f0ff; }
        .set-card:nth-child(6) { border-color: #fd79a8; background: #fff0f5; }
        .set-card:nth-child(7) { border-color: #00cec9; background: #f0ffff; }

        .set-title {
            font-weight: 900;
            font-size: 1.2rem;
            margin-bottom: 15px;
            text-transform: uppercase;
            color: var(--accent-black);
        }

        .exercise-item {
            margin-bottom: 10px;
            font-size: 0.95rem;
        }

        .exercise-name {
            font-weight: 700;
            color: #2d3436;
        }

        .exercise-detail {
            color: #636e72;
            font-size: 0.9rem;
        }

        .do-twice {
            display: inline-block;
            background: var(--accent-red);
            color: white;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: bold;
            text-transform: uppercase;
            margin-top: 5px;
        }

        .active-recovery {
            margin-top: 15px;
            padding-top: 10px;
            border-top: 1px dashed #b2bec3;
            font-size: 0.9rem;
            color: #636e72;
        }

        .active-recovery strong {
            color: var(--accent-black);
        }

        /* Footer */
        .footer {
            background: #f1f2f6;
            padding: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 600;
            letter-spacing: 1px;
            border-top: 1px solid #dfe6e9;
        }

        @media (max-width: 600px) {
            .content { padding: 10px; }
            .header { padding: 30px 20px; }
        }

 .header2 {
            background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 99%, #fecfef 100%);
            padding: 40px 30px;
            text-align: center;
        }

        .header h1 {
            font-size: 2.5rem;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
            margin-bottom: 10px;
        }

        .header2 p {
            font-size: 1.1rem;
            color: #ff4757;
            font-weight: 600;
        }

  .exercise-card {
            background: #fff;
            border-radius: 0px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            border-left: 4px solid;
            position: relative;
            overflow: hidden;
        }

        .exercise-card::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 150px;
            height: 150px;
            border-radius: 50%;
            opacity: 0.1;
            transform: translate(30%, -30%);
        }

        /* Specific Card Styles */
        .card-1 {
            border-color: var(--accent-purple);
            background: linear-gradient(to bottom right, #ffffff, #f3e5f5);
        }
        .card-1::before { background: var(--pastel-purple); }
        .card-1 h2 { color: var(--accent-purple); }

        .card-2 {
            border-color: var(--accent-red);
            background: linear-gradient(to bottom right, #ffffff, #ffebee);
        }
        .card-2::before { background: var(--pastel-pink); }
        .card-2 h2 { color: var(--accent-red); }

        .card-3 {
            border-color: var(--accent-blue);
            background: linear-gradient(to bottom right, #ffffff, #e3f2fd);
        }
        .card-3::before { background: var(--pastel-blue); }
        .card-3 h2 { color: var(--accent-blue); }

        /* Typography inside cards */
        h2 {
            font-size: 1.8rem;
            text-transform: uppercase;
            margin-bottom: 20px;
            letter-spacing: 1px;
            position: relative;
            z-index: 1;
        }

        .instructions {
            list-style: none;
            position: relative;
            z-index: 1;
        }

        .instructions li {
            margin-bottom: 15px;
            font-size: 1.05rem;
            color: var(--text-main);
            padding-left: 20px;
            position: relative;
        }

        .instructions li::before {
            content: '➤';
            position: absolute;
            left: 0;
            color: inherit;
            font-size: 0.8rem;
            top: 5px;
        }

        .card-1 .instructions li::before { color: var(--accent-purple); }
        .card-2 .instructions li::before { color: var(--accent-red); }
        .card-3 .instructions li::before { color: var(--accent-blue); }

        .highlight {
            font-weight: 700;
            background: rgba(255,255,255,0.6);
            padding: 2px 5px;
            border-radius: 4px;
        }

  @media (max-width: 600px) {
            .header h1 { font-size: 1.8rem; }
            .content { padding: 10px; }
            .exercise-card { padding: 10px; }
            h2 { font-size: 1.4rem; }
        }

 .tip-box {
            background: linear-gradient(135deg, #f76236 0%, #fda085 100%);
            padding: 25px;
            border-radius: 15px;
            color: white;
            text-align: center;
            font-weight: 700;
            font-size: 1.2rem;
            text-transform: uppercase;
            box-shadow: 0 5px 15px rgba(246, 211, 101, 0.4);
            margin-top: 20px;
        }

 @media (max-width: 600px) {
           
            .tip-box { font-size: 1rem; }
        }