:root {
            --pastel-bg: linear-gradient(135deg, #fff5f5 0%, #f0f4ff 100%);
            --card-bg: #ffffff;
            --text-main: #2c3e50;
            --text-muted: #7f8c8d;
            --accent-red: #ff6b6b;
            --accent-blue: #4ecdc4;
            --accent-yellow: #ffe66d;
        }

        * {
            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, #ff6b6b 0%, #ee5a6f 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(3rem, 8vw, 5rem);
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 3px;
            position: relative;
            z-index: 1;
            margin-bottom: 15px;
            text-shadow: 3px 3px 0px rgba(0,0,0,0.2);
            line-height: 1;
        }

        .subtitle {
            font-size: 1.2rem;
            font-weight: 600;
            position: relative;
            z-index: 1;
            opacity: 0.95;
            max-width: 500px;
            margin: 0 auto;
        }

        .author {
            font-size: 0.9rem;
            position: relative;
            z-index: 1;
            margin-top: 15px;
            opacity: 0.8;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        /* Content */
        .content {
            padding: 40px 20px;
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        /* 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;
            line-height: 1.8;
        }

        .intro-text p:last-child {
            margin-bottom: 0;
        }

        .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;
        }

        /* Highlight Box */
        .highlight-box {
            background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
            color: white;
            padding: 20px;
            border-radius: 15px;
            font-size: 1.1rem;
            font-weight: 600;
            text-align: center;
            box-shadow: 0 6px 20px rgba(78, 205, 196, 0.3);
        }

        /* Footer */
        .footer {
            background: #f8f9fa;
            padding: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 600;
            letter-spacing: 1px;
            border-top: 1px solid #eee;
        }

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

.intro {
            font-size: 1.2rem;
            color: #2d3436;
            margin-top: 10px;
            font-weight: 600;
        }

        .bar-card {
            background: #fff;
            border-radius: 15px;
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: var(--card-shadow);
            border-left: 5px solid;
            transition: transform 0.2s;
        }

        .bar-card:hover {
            transform: translateY(-5px);
        }

        /* Pastel Backgrounds for Cards */
        .bg-pink { background-color: #fff0f5; border-color: #ff7675; }
        .bg-blue { background-color: #f0f8ff; border-color: #0984e3; }
        .bg-green { background-color: #f0fff0; border-color: #00b894; }
        .bg-yellow { background-color: #fffaf0; border-color: #fdcb6e; }
        .bg-purple { background-color: #f8f0ff; border-color: #a29bfe; }
        .bg-orange { background-color: #fff5ee; border-color: #e17055; }
        .bg-cyan { background-color: #e0ffff; border-color: #00cec9; }
        .bg-lavender { background-color: #e6e6fa; border-color: #6c5ce7; }
        .bg-peach { background-color: #ffe5d9; border-color: #fab1a0; }

        h2 {
            font-size: 2rem;
            margin-top: 0;
            margin-bottom: 15px;
            text-transform: uppercase;
        }

        /* Bright Heading Colors */
        .text-red { color: #d63031; }
        .text-blue { color: #0984e3; }
        .text-green { color: #00b894; }
        .text-orange { color: #e17055; }
        .text-purple { color: #6c5ce7; }
        .text-dark { color: #2d3436; }
        .text-cyan { color: #00b894; } /* Reusing green-ish for contrast */
        .text-indigo { color: #4834d4; }
        .text-coral { color: #ff7675; }

        .description {
            font-size: 1.1rem;
            margin-bottom: 20px;
        }

        .section-title {
            font-weight: bold;
            text-transform: uppercase;
            font-size: 0.9rem;
            letter-spacing: 1px;
            margin-bottom: 5px;
            display: block;
            color: #636e72;
        }

        .usage-list {
            margin-bottom: 20px;
            font-weight: 600;
            color: #2d3436;
        }

        .expert-tip {
            background: rgba(255,255,255,0.6);
            padding: 15px;
            border-radius: 8px;
            border: 1px dashed #b2bec3;
            font-style: italic;
        }

        .expert-tip strong {
            color: #d63031;
            font-style: normal;
        }

        @media (max-width: 600px) {
            h1 { font-size: 2.5rem; }
            .bar-card { padding: 20px; }
        }

.terminology-section {
            background: #fff;
            border-radius: 15px;
            padding: 10px;
            margin-bottom: 30px;
            box-shadow: var(--card-shadow);
            border-top: 10px solid #fdcb6e;
        }

        .term-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-top: 20px;
        }

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

        .term-item {
            background: #fffdf0; /* Light yellow pastel */
            padding: 20px;
            border-radius: 50%; /* Make them look like circles/bubbles roughly */
            border-radius: 15px;
            border: 2px solid #fdcb6e;
            text-align: center;
        }

        .term-title {
            font-weight: 900;
            color: #d63031;
            text-transform: uppercase;
            font-size: 1.1rem;
            margin-bottom: 10px;
            display: block;
        }

        .term-desc {
            font-size: 0.95rem;
            color: #2d3436;
        }