@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;500;600;700;800&display=swap');

:root{
    --color-400: #EDE0D4;
    --color-500: #E6CCB2;
    --color-600: #DDB892;
    --color-700: #B08968;
    --color-800: #7F5539;
    --color-black: #38322E;
    --color-disabled: #504c49;
    --color-white: #F5F2F0;
    --color-success: #2e382e;
    --bg-success: #92dd92;
    --color-danger: #38302e;
    --bg-danger: #dda192;
    --base-font-size: 1rem;
    --base-menu-size: 2rem;
    --base-transition: 300ms;
}

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

html{
    overflow-x: hidden;
}

body{
    color: var(--color-black);
    font-size: var(--base-font-size);
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}

h1{
    font-size: calc(var(--base-font-size) * 4);
}

h2{
    font-size: calc(var(--base-font-size) * 3);
}

h3{
    font-size: calc(var(--base-font-size) * 2.5);
}

h4{
    font-size: calc(var(--base-font-size) * 2);
}

h5{
    font-size: calc(var(--base-font-size) * 1.5);
}

main{
    margin-top: 3.5rem;
}

section{
    position: relative;
}

footer{
    color: var(--color-white);
    background-color: var(--color-700);
}

.btn:active, .btn:focus, .btn:focus-visible{
    box-shadow: none !important;
}

.btn-primary{
    color: var(--color-white);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 400;
    background-color: var(--color-600);
    border: 0.125rem solid var(--color-600);
    border-radius: 0;
    padding: 0.5rem 1rem;
    box-shadow: 0 0 0.25rem rgba(0,0,0,0.2);
    transition: var(--base-transition);
}

.btn-primary:hover, .btn-primary:active, .btn-primary:focus{
    background-color: var(--color-700);
    border: 0.125rem solid var(--color-700);
}

.btn-secondary{
    color: var(--color-600);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 400;
    background: none;
    border: 0.125rem solid var(--color-600);
    border-radius: 0;
    padding: 0.5rem 1rem;
    box-shadow: 0 0 0.25rem rgba(0,0,0,0.2);
    transition: var(--base-transition);
}

.btn-secondary:hover, .btn-secondary:active, .btn-secondary:focus{
    color: var(--color-white);
    border: 0.125rem solid var(--color-600);
    background-color: var(--color-600) !important;
}

.form-control, .form-check-input{
    box-shadow: none !important;
    border-radius: 0 !important;
}

.form-control:active, .form-control:focus, .form-check-input:active, .form-check-input:focus{
    border: 1px solid var(--color-600);
}

.form-check-input:checked{
    background-color: var(--color-600) !important;
    border: 1px solid var(--color-600) !important;
}

.alert{
    display: block;
    position: fixed;
    width: max-content;
    transform: translateY(-4rem);
    top: 4rem;
    left: 0;
    right: 0;
    opacity: 0;
    margin-inline: auto;
    max-width: 30rem;
    background-color: var();
    z-index: 1 !important;
    transition: var(--base-transition) ease-out;
    padding: 0.5rem 1rem;
    box-shadow: 0 0 0.25rem rgba(0,0,0,0.2);
    border: none !important;
}

.alert.alert-danger{
    opacity: 1;
    background-color: var(--bg-danger);
    color: var(--color-danger);
    transform: translateY(0);
}

.alert.alert-success{
    opacity: 1;
    background-color: var(--bg-success);
    color: var(--color-success);
    transform: translateY(0);
}

.navbar{
    background-color: var(--color-white);
    box-shadow: 0 0 0.25rem rgba(0,0,0,0.2);
    z-index: 2 !important;
}

.nav-icon{
    max-width: 40px;
}

.nav-link, .nav-link:focus, .nav-lin:visited, .nav-link:active{
    color: var(--color-disabled);
    position: relative;
    transition: var(--base-transition);
    max-width: min-content;
}

.nav-link:hover{
    color: var(--color-black);
}

.nav-link.active{
    color: var(--color-black) !important;
}

.nav-link::after{
    content: '';
    display: block;
    position: absolute;
    bottom: 0.2rem;
    left: 0.4rem;
    width: 0;
    height: 0.25rem;
    background-color: var(--color-600);
    transition: var(--base-transition);
}

.nav-link:hover::after{
    width: calc(100% - .8rem);
}

.navbar-toggler{
    box-shadow: none !important;
    width: var(--base-menu-size);
    height: calc(var(--base-menu-size)/1.333333);
    position: relative;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: var(--base-transition) ease-in-out;
    -moz-transition: var(--base-transition) ease-in-out;
    -o-transition: var(--base-transition) ease-in-out;
    transition: var(--base-transition) ease-in-out;
    cursor: pointer;
}
.navbar-toggler span{
    display: block;
    position: absolute;
    height: calc(var(--base-menu-size)/12);
    width: 100%;
    background: var(--color-600);
    opacity: 1;
    left: 0;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: var(--base-transition) ease-in-out;
    -moz-transition: var(--base-transition) ease-in-out;
    -o-transition: var(--base-transition) ease-in-out;
    transition: var(--base-transition) ease-in-out;
}


.navbar-toggler span:nth-child(1) {
    top: 0;
}

.navbar-toggler span:nth-child(2) {
    top: calc(var(--base-menu-size)/3.333333);
}

.navbar-toggler span:nth-child(3) {
    top: calc(var(--base-menu-size)/1.666666);
}

.navbar-toggler.open span:nth-child(1) {
    top: calc(var(--base-menu-size)/3.333333);
    -webkit-transform: rotate(135deg);
    -moz-transform: rotate(135deg);
    -o-transform: rotate(135deg);
    transform: rotate(135deg);
}

.navbar-toggler.open span:nth-child(2) {
    opacity: 0;
    left: calc(var(--base-menu-size)*-1);
}

.navbar-toggler.open span:nth-child(3) {
    top: calc(var(--base-menu-size)/3.333333);
    -webkit-transform: rotate(-135deg);
    -moz-transform: rotate(-135deg);
    -o-transform: rotate(-135deg);
    transform: rotate(-135deg);
}

.header-wrapper{
    padding-top: 3.5rem;
    position: relative;
    color: var(--color-white);
    min-height: 30rem;
    background-image: url('../IMG/header.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

.header-title{
    margin-bottom: 1rem;
    font-weight: 300;
    font-size: 2.5rem;
}

.aboutme-img{
    max-width: 480px;
    width: 100%;
    border-radius: 50%;
    box-shadow: 0 0 0.25rem rgba(0,0,0,0.2);
    border: 0.25rem solid var(--color-600);
}

.anchor{
    position: absolute;
    top: -3.5rem;
}

.gallery-grid{
    display: grid;
    gap: 1rem;
    margin-bottom: 1rem;
}

.gallery-grid:first-child{
    grid-template-columns: repeat(12, 1fr);
}


.gallery{
    background-repeat: no-repeat;
    background-size: cover;
    height: 24rem;
    background-position: center;
    box-shadow: 0 0 0.25rem rgba(0,0,0,0.2);
}

#kep_1{
    background-image: url('../IMG/kep_1.jpg');
    grid-column-start: 1;
    grid-column-end: 4;
}

#kep_2{
    background-image: url('../IMG/kep_2.jpg');
    grid-column-start: 4;
    grid-column-end: 10;
}

#kep_3{
    background-image: url('../IMG/kep_3.jpg');
    grid-column-start: 10;
    grid-column-end: 13;
}

#kep_4{
    background-image: url('../IMG/kep_4.jpg');
    grid-column-start: 1;
    grid-column-end: 7;
}

#kep_5{
    background-image: url('../IMG/kep_5.jpg');
    grid-column-start: 7;
    grid-column-end: 13;
}

#kep_6{
    background-image: url('../IMG/kep_6.jpg');
    grid-column-start: 1;
    grid-column-end: 4;
}

#kep_7{
    background-image: url('../IMG/kep_7.jpg');
    grid-column-start: 4;
    grid-column-end: 10;
}

#kep_8{
    background-image: url('../IMG/kep_8.jpg');
    grid-column-start: 10;
    grid-column-end: 13;
}

#kep_9{
    background-image: url('../IMG/kep_9.jpg');
    grid-column-start: 1;
    grid-column-end: 4;
}

#kep_10{
    background-image: url('../IMG/kep_10.jpg');
    grid-column-start: 4;
    grid-column-end: 10;
}

#kep_11{
    background-image: url('../IMG/kep_11.jpg');
    grid-column-start: 10;
    grid-column-end: 13;
}

#kep_12{
    background-image: url('../IMG/kep_12.jpg');
    grid-column-start: 1;
    grid-column-end: 7;
}

#kep_13{
    background-image: url('../IMG/kep_13.jpg');
    grid-column-start: 7;
    grid-column-end: 13;
}

#kep_14{
    background-image: url('../IMG/kep_14.jpg');
    grid-column-start: 1;
    grid-column-end: 4;
}

#kep_15{
    background-image: url('../IMG/kep_15.jpg');
    grid-column-start: 4;
    grid-column-end: 10;
}

#kep_16{
    background-image: url('../IMG/kep_16.jpg');
    grid-column-start: 10;
    grid-column-end: 13;
}

.footer-link, .footer-link:active, .footer-link:focus, .footer-link:hover, .footer-link:visited{
    color: var(--color-white);
    width: max-content;
}

.fadein{
    transition: calc(var(--base-transition)*2);
    opacity: 0;
}

.fadein-top{
    transform: translateY(-10%);
    transition: calc(var(--base-transition)*2);
    opacity: 0;
}

.fadein-bottom{
    transform: translateY(10%);
    transition: calc(var(--base-transition)*2);
    opacity: 0;
}

.fadein-left{
    transition: calc(var(--base-transition)*2);
    transform: translateX(-10%);
    opacity: 0;
}

.fadein-right{
    transition: calc(var(--base-transition)*2);
    transform: translateX(10%);
    opacity: 0;
}

.fadein-delay-left{
    transition: calc(var(--base-transition)*2);
    transform: translateX(-10%);
    opacity: 0;
}

.fadein-delay{
    transition: calc(var(--base-transition)*2);
    opacity: 0;
}

.showed{
    transform: translate(0%);
    opacity: 1;
}

@media only screen and (max-width: 992px) {

    .header-wrapper{
        min-height: 24rem;
        background-position: center;
    }

    .header-title{
        font-weight: 500;
        font-size: 2rem;
    }

    .nav-link::after{
        left: 0;
        
    }

    .nav-link:hover::after{
        width: 100%;
    }

    .gallery-grid{
        grid-template-columns: 50% 50% !important;
    }

    .gallery{
        grid-column-start: auto !important;
        grid-column-end: auto !important;
    }
}

@media only screen and (max-width: 768px) {

    .header-wrapper{
        padding-top: 2rem;
        background-image: url('../IMG/header_mobile.jpg');
        min-height: 20rem;
    }

    .header-title{
        font-size: 1.5rem;
    }

    .gallery-grid{
        grid-template-columns: 100% !important;
    }
}