body {
    font-family: 'Open Sans', sans-serif;
}

/* ========== button welcome ========== */
.btn {
    padding: 1.1em 2em;
    background: none;
    border: 2px solid #fff;
    font-size: 15px;
    color: #131313;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
    border-radius: 30px;
    background-color: #ffd900;
    font-weight: bolder;
}

.btn:before {
    content: "";
    position: absolute;
    width: 100px;
    height: 120%;
    background-color: #ffa600;
    top: 50%;
    transform: skewX(30deg) translate(-150%, -50%);
    transition: all 0.5s;
}

.btn:hover {
    background-color: #4cc9f0;
    color: #fff;
}

.btn:hover::before {
    transform: skewX(30deg) translate(150%, -50%);
    transition-delay: 0.1s;
}

.btn:active {
    transform: scale(0.9);
}

/* ========== navbar ========== */
.navbar {
    transition: opacity 0.5s ease, visibility 0.5s ease;
    opacity: 0;
    visibility: hidden;
}

.navbar.visible {
    opacity: 1;
    visibility: visible;
}

/* ========== testimoni ========== */
.carousel-item {
    transition: transform 0.5s ease-in-out;
}

/* ========== carousel ============= */
[data-carousel-slide-to][aria-current="true"] {
    background-color: #3fa0fa; /* Warna biru */
}

[data-carousel-slide-to][aria-current="false"] {
    background-color: #d1d5db; /* Warna abu-abu */
}