body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #10192c;
    color: white;
    text-align: center;
}

.header-section {
    background-color: #10192c;
    padding: 40px 20px;
    max-width: 1100px;
    margin: auto;
    margin-top: 50px;
    margin-bottom: 50px;
}

h1 {
    font-size: 80px;
    margin-bottom: 40px;
    margin-top: 0;
    letter-spacing: 5px;
    color: #facc14;
    /* to make the logo aligned in the middle of the line */
    display: flex; 
    align-items: center;
    justify-content: center;
}

h1 > img {
    height: 80px;
    width: auto;
    margin-right: 15px;
}

h1 > #logo-gradient {
    background-image: linear-gradient(90deg, #fffefb 0%, #facc14 60%, #feedae 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

h2 {
    color: #f6c918;
    font-size: 35px;
    margin-bottom: 20px;
}

.subtitle {
    margin: auto;
    max-width: 50%;
    font-size: 18px;
    color: #ccc;
    margin-bottom: 30px;
}



/* problem section */
.problem-section {
    background-color: #1e283a;
    padding: 100px 0;
}

.problem-main-title {
    font-size: 36px;
    color: white;
    margin-top: 0;
    margin-bottom: 20px;
}

.problem-subtitle {
    font-size: 42px;
    color: #facc14;
    font-weight: 700;
    margin-bottom: 15px;
}

.problem-description {
    font-size: 18px;
    color: #94a3b8;
    margin-bottom: 60px;
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;

    padding: 0 20px;
}

.problem-box {
    background-color: #141b2e;
    border: 2px solid #ef4444;
    border-radius: 20px;
    padding: 30px 25px;
    text-align: left;
}

.problem-icon {
    height: 40px;
    margin-bottom: 15px;
}

.problem-box-title {
    font-size: 24px;
    color: #facc14;
    font-weight: 700;
    margin-bottom: 15px;
    margin-top: 0;
}

.problem-text {
    font-size: 15px;
    color: #e2e8f0;
    line-height: 1.5;
    margin: 0;
}



/* solution section */
.solution-section {
    background-color: #10192c;
    padding: 100px 0;
}

.solution-main-title {
    font-size: 48px;
    color: #facc14;
    margin-top: 0;
    margin-bottom: 30px;
    font-weight: 700;
}

.solution-subtitle {
    font-size: 20px;
    color: white;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.solution-grid {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    justify-content: center;
    align-items: stretch;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;

    padding: 0 20px;
}

.solution-box {
    background-color: #1a2238;
    border: 2px solid #facc14;
    border-radius: 20px;
    padding: 40px 30px;
    flex: 1 1 0;
    text-align: left;
    display: flex;
    flex-direction: column;
}

.solution-box-title {
    font-size: 28px;
    color: #facc14;
    font-weight: 700;
    margin-bottom: 20px;
    margin-top: 0;
    text-align: center;
}

.solution-description {
    font-size: 16px;
    color: #e2e8f0;
    margin-bottom: 30px;
    text-align: center;
    line-height: 1.5;
}

.solution-improvements-title {
    font-size: 20px;
    color: #facc14;
    font-weight: 700;
    margin-bottom: 15px;
    margin-top: 0;
}

.solution-results-title {
    font-size: 20px;
    color: #facc14;
    font-weight: 700;
    margin-bottom: 15px;
    margin-top: 0;
}

.solution-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
}

.solution-list li {
    font-size: 15px;
    color: #e2e8f0;
    margin-bottom: 12px;
    line-height: 1.4;
    position: relative;
    padding-left: 15px;
}

.solution-list li:before {
    content: "•";
    color: #facc14;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.results-list li {
    color: #22c55e;
}

.results-list li:before {
    content: "•";
    color: #22c55e;
}



/* comparison section */
.comparison-section {
    background-color: #1a2238;
    padding: 100px 0;
}

.comparison-title {
    font-size: 36px;
    font-weight: 700;
    color: white;
    margin-top: 0;
    margin-bottom: 20px;
}

.comparison-subtitle {
    font-size: 18px;
    color: #94a3b8;
    margin-bottom: 40px;
}

.comparison-grid {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    justify-content: center;
    align-items: stretch;

    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
}

.comparison-box {
    background-color: #141b2e;
    border-radius: 20px;
    padding: 30px 20px;
    flex: 1 1 0;
    max-width: 500px;
    text-align: left;
    display: flex;
    flex-direction: column;
}

.traditional-box {
    border: 2px solid #ef4444;
}

.predictive-box {
    border: 2px solid #facc14;
    transform: none;
}

.box-title {
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 25px;
}

.traditional-box .box-title {
    color: #fca5a5;
}

.predictive-box .box-title {
    color: #facc14;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
    font-size: 15px;
    line-height: 1.5;
    min-height: 24px;
}

.feature-icon {
    font-size: 18px;
    margin-right: 15px;
}

.traditional-box .feature-icon {
    color: #ef4444;
}

.predictive-box .feature-icon {
    color: #22c55e;
}

.feature-text {
    color: #e2e8f0;
}



/* contact section */
.contact-section {
    background-color: #10192c;
    padding: 100px 20px;
}

.contact-box {
    background-color: #1e293b;
    border: 2px solid #facc14;
    border-radius: 20px;
    padding: 50px 40px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.contact-title {
    font-size: 40px;
    color: #facc14;
    margin-bottom: 30px;
    font-weight: 700;
}

.contact-description {
    font-size: 20px;
    color: #e2e8f0;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

.contact-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-btn {
    background-color: #facc14;
    color: #1a2238;
    border: none;
    border-radius: 10px;
    padding: 15px 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    min-width: 160px;
    justify-content: center;
    text-decoration: none;
}

.contact-btn:hover {
    background-color: #f59e0b;
    transform: translateY(-2px);
}

.contact-btn img {
    height: 18px;
}

@media (max-width: 768px) {

    .header-section, .problem-section, .comparison-section, .solution-section, .contact-section {
        padding: 30px 20px;
    }

    body{
        padding-bottom: 30px;
    }

    #logo{
        max-width: 90%;
        margin-bottom: 35px;
    }
    
    h1 {
        font-size: 26px;
    }

    .subtitle {
        max-width: 90%;
        font-size: 16px;
    }




    .comparison-grid {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    
    .comparison-box {
        max-width: 90%;
    }

    .predictive-box {
        transform: none;
    }

    .comparison-title {
        font-size: 28px;
        line-height: 1.2;
    }

    .comparison-subtitle {
        font-size: 16px;
    }

    .box-title {
        font-size: 22px;
    }

    .feature-item {
        font-size: 15px;
    }





    .problem-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 0 20px;
    }
    
    .problem-subtitle {
        font-size: 28px;
    }
    
    .problem-description {
        font-size: 16px;
    }
    
    .problem-box-title {
        font-size: 20px;
    }




    .solution-grid {
        flex-direction: column;
        align-items: center;
        gap: 30px;
        padding: 0 20px;
    }
    
    .solution-box {
        max-width: 90%;
    }

    .solution-main-title {
        font-size: 36px;
    }

    .solution-subtitle {
        font-size: 18px;
        max-width: 90%;
    }

    .solution-box-title {
        font-size: 24px;
    }




    .contact-box {
        padding: 40px 20px;
    }

    .contact-title {
        font-size: 28px;
    }

    .contact-description {
        font-size: 18px;
        max-width: 90%;
    }

    .contact-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .contact-btn {
        min-width: 200px;
    }
}