html {
    overflow-x: hidden;
    width: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    box-sizing: border-box;
    background-color: #f8f9fa;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

*, *:before, *:after {
    box-sizing: inherit;
}

.hero-section {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    background-image: url('../image/Sandfly surveillance.png');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 20px;
    width: 100%;
    max-width: 100vw;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.55);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 800px;
    box-sizing: border-box;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3rem;
    margin: 0;
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0,0,0,0.4);
    line-height: 1.2;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

main {
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
    box-sizing: border-box;
}

.content-section {
    max-width: 1250px;
    margin: 4rem auto;
    padding: 0 1rem;
    width: 100%;
    box-sizing: border-box;
}

.content-card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    padding: 2.5rem;
    margin-bottom: 2.5rem;
    width: 100%;
    box-sizing: border-box;
    max-width: 100%;
}

.content-card h2 {
    font-size: 2rem;
    font-weight: 600;
    color: rgb(5, 44, 0);
    margin-top: 0;
    margin-bottom: 1.25rem;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 0.75rem;
}

.content-card h2 .icon {
    margin-right: 12px;
    font-size: 1.75rem;
    color: rgb(5, 44, 0);
    opacity: 0.8;
}

.content-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #333;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.content-card h3:first-of-type {
    margin-top: 0;
}

.content-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: #555;
    margin-bottom: 1rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.content-card p:first-child {
    margin-top: 0;
}

.intro-card {
    border-left: 5px solid rgb(5, 44, 0);
    background: linear-gradient(135deg, #f2fbf4, #ffffff);
}

.intro-card h2 {
    border-bottom: none;
    margin-bottom: 0.5rem;
}

.intro-card p {
    font-size: 1.05rem;
    font-weight: 500;
    color: #0c2f40;
}

.content-card ul {
    list-style-type: none;
    padding-left: 0;
    margin-bottom: 1.5rem;
}

.content-card li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 0.8rem;
    line-height: 1.7;
    color: #555;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.content-card li::before {
    content: '\f111';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 10px;
    font-size: 0.5rem;
    color: rgb(5, 44, 0);
}

.two-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    width: 100%;
    box-sizing: border-box;
}

.highlight-box {
    border-left: 5px solid rgb(5, 44, 0);
    padding-left: 1.25rem;
    background-color: #f9fbf8;
    width: 100%;
    box-sizing: border-box;
    max-width: 100%;
}

@media (max-width: 600px) {
    .two-col {
        grid-template-columns: 1fr;
        min-width: 0;
    }
}

@media (max-width: 992px) {
    .content-section {
        margin: 3rem auto;
        padding: 0 1.5rem;
        width: 100%;
        box-sizing: border-box;
    }
    
    .content-card {
        padding: 2rem;
        width: 100%;
        box-sizing: border-box;
    }
    
    .two-col {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .hero-section {
        min-height: 400px;
        height: auto;
        padding: 15px;
    }

    .hero-content {
        padding: 0 10px;
    }

    .hero-content h1 {
        font-size: 2.2rem;
        line-height: 1.3;
    }
    
    .content-section {
        margin: 2rem auto;
        padding: 0 1rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .content-card {
        padding: 1.5rem;
        margin-bottom: 2rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .content-card h2 {
        font-size: 1.6rem;
        margin-bottom: 1rem;
    }
    
    .content-card h2 .icon {
        font-size: 1.4rem;
        margin-right: 8px;
    }
    
    .content-card h3 {
        font-size: 1.3rem;
        margin-top: 1.5rem;
    }

    .intro-card {
        padding: 1.5rem;
    }
    
    .intro-card p {
        font-size: 1rem;
    }

    .highlight-box {
        padding-left: 1rem;
        margin-bottom: 1rem;
    }

    .two-col {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        min-width: 0;
    }
    
    .content-card li {
        padding-left: 24px;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .hero-section {
        min-height: 350px;
        padding: 10px;
    }

    .hero-content {
        padding: 0 10px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
        line-height: 1.2;
    }
    
    .content-section {
        margin: 1.5rem auto;
        padding: 0 0.75rem;
    }

    .content-card {
        padding: 1.25rem;
        margin-bottom: 1.5rem;
        border-radius: 8px;
    }

    .content-card h2 {
        font-size: 1.4rem;
        margin-bottom: 0.875rem;
        padding-bottom: 0.5rem;
    }
    
    .content-card h2 .icon {
        font-size: 1.2rem;
        margin-right: 6px;
    }
    
    .content-card h3 {
        font-size: 1.15rem;
        margin-top: 1.25rem;
    }

    .content-card p {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .intro-card {
        padding: 1.25rem;
    }
    
    .intro-card h2 {
        font-size: 1.4rem;
    }
    
    .intro-card p {
        font-size: 0.95rem;
    }

    .highlight-box {
        padding-left: 0.875rem;
    }

    .two-col {
        gap: 1.25rem;
    }
    
    .content-card li {
        padding-left: 22px;
        font-size: 0.9rem;
        margin-bottom: 0.7rem;
    }
    
    .content-card li::before {
        font-size: 0.45rem;
        top: 8px;
    }
}