.gradient-border-box {
    position: relative;
    background: #7fcdbf33;
    z-index: 1;
}

.gradient-border-box::before {
    content: "";
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 1px solid;
    border-image: linear-gradient(180deg, #1c5f7c, #7fcdbf) 1;
    z-index: -1;
}

.accordion .accordion-item {
    border: 1px solid #1c5f7c33;
    border-radius: 10px !important;
    margin-bottom: 10px;
    overflow: hidden;
}

.accordion-button {
    background-color: #fff;
    font-size: 18px;
    font-weight: 500;
    color: #1c5f7c;
    border-radius: 0 !important;
}

.accordion-button:not(.collapsed) {
    color: #1c5f7c !important;
    background-color: #81CBC133 !important;
    border-top-left-radius: 10px !important;
    border-top-right-radius: 10px !important;
}

.accordion-button::after {
    background-image: none !important;
    content: "+";
    font-size: 20px;
    color: #1c5f7c;
    margin-left: auto;
}

.accordion-button:not(.collapsed)::after {
    content: "−";
    color: #1c5f7c;
}

.accordion-button:focus,
.accordion-button:focus-visible {
    box-shadow: none !important;
    border: none !important;
}

.main-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.center-img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
    position: absolute;
    top: 40%;
    left: 40%;
    transform: translate(-50%, -50%);
}

.center-img img {
    max-width: 100%;
    max-height: 100%;
}

.features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 100px;
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    z-index: 3;
}

.feature-box {
    border-radius: 12px;
    padding: 20px;
    transition: transform 0.3s;
}

.feature-box h3 {
    margin-bottom: 10px;
    font-size: 18px;
    color: #111;
}

.feature-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-box ul li {
    margin-bottom: 8px;
    padding-left: 18px;
    position: relative;
}

.feature-box ul li::before {
    content: "✔";
    position: absolute;
    left: 0;
    color: #4caf50;
    font-size: 14px;
}