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

body {
    font-family: 'Roboto', sans-serif;
    background: #077DFF;
    min-height: 100vh;
    padding: 40px 20px;
    color: #333;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 60px 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

header {
    text-align: center;
    margin-bottom: 60px;
}

h1 {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    color: #077DFF;
    margin-bottom: 10px;
}

.subtitle {
    text-align: center;
    font-size: 18px;
    font-weight: 400;
    color: #666;
    margin-top: 10px;
}

main {
    margin-bottom: 40px;
}

.section {
    margin-bottom: 60px;
    padding-bottom: 60px;
    border-bottom: 2px solid #e0e0e0;
}

.section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

h2 {
    font-size: 24px;
    font-weight: 700;
    color: #077DFF;
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 3px solid #077DFF;
}

h3 {
    font-size: 22px;
    font-weight: 700;
    color: #077DFF;
    margin-bottom: 20px;
    margin-top: 40px;
}

h4 {
    font-size: 18px;
    font-weight: 700;
    color: #4a3428;
    margin-bottom: 10px;
}

.design-comps {
    margin-bottom: 60px;
}

.image-container {
    background: #f8f9fa;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin: 30px 0;
}

.image-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.image-container img {
    width: 100%;
    height: auto;
    display: block;
}

.image-caption {
    text-align: center;
    font-size: 14px;
    color: #666;
    font-style: italic;
    margin-top: 10px;
    padding: 10px;
}

.description p {
    font-size: 18px;
    line-height: 1.8;
    color: #4a3428;
    margin-bottom: 20px;
    text-align: justify;
}

/* Usability Testing Specific Styles */
.usability-testing {
    margin-top: 80px;
}

.subsection {
    margin-bottom: 50px;
}

.subsection:last-child {
    margin-bottom: 0;
}

.subsection p {
    font-size: 18px;
    line-height: 1.8;
    color: #4a3428;
    margin-bottom: 20px;
}

.participants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.participant-card {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid #077DFF;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.participant-card p {
    font-size: 16px;
    margin-bottom: 10px;
}

.participant-card strong {
    color: #077DFF;
}

.finding {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 25px;
    border-left: 4px solid #077DFF;
}

.finding h4 {
    font-size: 20px;
    margin-bottom: 15px;
}

.finding ul {
    margin-left: 20px;
    margin-top: 15px;
}

.finding li {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 12px;
    color: #4a3428;
}

.finding strong {
    color: #077DFF;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.metric-card {
    background: #077DFF;
    color: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.metric-card h4 {
    color: white;
    font-size: 16px;
    margin-bottom: 15px;
}

.metric-value {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 10px;
}

.metric-description {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 0;
}

blockquote {
    background: #fff3cd;
    border-left: 4px solid #FFA040;
    padding: 20px 25px;
    margin: 20px 0;
    font-style: italic;
    font-size: 16px;
    color: #4a3428;
    border-radius: 8px;
}

ul {
    margin-left: 20px;
    margin-top: 15px;
}

ul li {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 10px;
    color: #4a3428;
}

ol {
    margin-left: 20px;
    margin-top: 15px;
}

ol li {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 10px;
    color: #4a3428;
}

@media (max-width: 768px) {
    .container {
        padding: 40px 20px;
    }

    h1 {
        font-size: 32px;
    }

    h2 {
        font-size: 20px;
    }

    h3 {
        font-size: 18px;
    }

    .subtitle {
        font-size: 16px;
    }

    .description p,
    .subsection p,
    ul li,
    ol li {
        font-size: 16px;
    }

    .participants-grid,
    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .metric-value {
        font-size: 36px;
    }

    footer a {
        font-size: 16px;
        padding: 10px 25px;
    }
}