/********** Template CSS **********/
:root {
    --primary: #06A3DA;
    --secondary: #06A3DA;
    --light: #EEF9FF;
    --dark: #091E3E;
}

.back-to-top {
    position: fixed;
    display: none;
    right: 30px;
    bottom: 30px;
    z-index: 99;
}

h1,
.h1,
h2,
.h2,
.fw-bold {
    font-weight: 700 !important;
}

h3,
.h3,
h4,
.h4,
.fw-medium {
    font-weight: 600 !important;
}

h5,
.h5,
h6,
.h6,
.fw-semi-bold {
    font-weight: 500 !important;
}


/*** Spinner ***/
#spinner {
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s ease-out, visibility 0s linear .5s;
    z-index: 99999;
}

#spinner.show {
    transition: opacity .5s ease-out, visibility 0s linear 0s;
    visibility: visible;
    opacity: 1;
}


/*** Button ***/
.btn {
    transition: .5s;
    font-weight: 500;
}

.btn-primary,
.btn-outline-primary:hover {
    color: var(--light);
}

.btn-square {
    width: 38px;
    height: 38px;
}

.btn-sm-square {
    width: 32px;
    height: 32px;
}

.btn-lg-square {
    width: 48px;
    height: 48px;
}

.btn-square,
.btn-sm-square,
.btn-lg-square {
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: normal;
}







/*** Project Portfolio ***/
#portfolio-flters {
    display: inline-block;
    background: var(--light);
    padding: 10px 15px;
}

#portfolio-flters li {
    display: inline-block;
    font-weight: 500;
    color: var(--primary);
    cursor: pointer;
    transition: .5s;
    border-bottom: 2px solid transparent;
}

#portfolio-flters li:hover,
#portfolio-flters li.active {
    color: var(--dark);
    border-color: var(--dark);
}

.portfolio-inner {
    position: relative;
    overflow: hidden;
}

.portfolio-inner::before,
.portfolio-inner::after {
    position: absolute;
    content: "";
    width: 0;
    height: 100%;
    top: 0;
    left: 0;
    background: #77b4caa9;
    transition: .5s;
}

.portfolio-inner::after {
    left: auto;
    right: 0;
}

.portfolio-inner:hover::before,
.portfolio-inner:hover::after {
    width: 50%;
}

.portfolio-inner .portfolio-text {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: .5s;
    z-index: 3;
    opacity: 0;
}

.portfolio-inner:hover .portfolio-text {
    transition-delay: .3s;
    opacity: 1;
}

.portfolio-inner .portfolio-text .btn {
    background: var(--light);
    color: var(--primary);
}

.portfolio-inner .portfolio-text .btn:hover {
    background: var(--primary);
    color: var(--light);
}