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

body {
    font-family: "Helvetica", "Arial", sans-serif;
    line-height: 1.6;
    color: #1d1d1f;
    background-color: #fff;
}

.section-A, .m-section-A, .o-section-A, .d-section-A, .e-section-A, .l-section-A, .s-section-A {
    margin-top: 50px;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background-size: cover;
    background-position: center;
    color: #fff;
}

.section-A {
    background-image: url('../backgrounds/model.png');
}

.m-section-A, .section-A {
    background-image: url('../backgrounds/model.png');
}

.o-section-A {
    background-image: url('../backgrounds/optimization.png');
}

.d-section-A {
    background-image: url('../backgrounds/development.png');
}

.e-section-A {
    background-image: url('../backgrounds/evaluation.png');
}

.l-section-A {
    background-image: url('../backgrounds/libraries.png');
}

.s-section-A {
    background-image: url('../backgrounds/software.png');
}

.section-A h1 {
    font-size: 64px;
    font-weight: 600;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.section-A p {
    font-size: 24px;
    margin-bottom: 30px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: #0071e3;
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 500;
    border: 2px solid #fff;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #005bb5;
    border-color: #000;
}

.button-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.checkbox-grid {
    all: unset;
    display: block !important;
    text-align: left;
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 10px;
    width: 10%;
    font-weight: normal;
    text-align: left; /* Explicitly set alignment on the flex container */
}

.checkbox-label span {
    white-space: nowrap; /* Forces text to stay on a single line */
}

.checkbox-label input[type="checkbox"] {
    flex-shrink: 0;
}

.application-form .checkbox-grid,
.application-form .checkbox-label {
    text-align: left !important;
}

.section-B {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.section-B h2 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 20px;
}

.section-B p {
    font-size: 20px;
    color: #6e6e73;
    margin-bottom: 40px;
}