@import '../css/vars.css';
@import '../css/grid.css';

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

html, body {
    height: 100%;
    background-color: #2B474B;
    color: var(--white-color);
}

/* fonts */ 

@font-face {
    font-family: montserrat-g;
    src: url(../fonts/Montserrat-Regular.woff2);
}

@font-face {
    font-family: montserrat-g;
    src: url(../fonts/Montserrat-Bold.woff2);
    font-weight: 700;
}

@font-face {
    font-family: montserrat-g;
    src: url(../fonts/Montserrat-Black.woff2);
    font-weight: 900;
}

@font-face {
    font-family: montserrat-g;
    src: url(../fonts/Montserrat-SemiBold.woff2);
    font-weight: 600;
}

body {
    font-size: 16px;
    font-family: montserrat-g, sans-serif;
}

/* Swiper Slider */

.slider {
    height: 100%;

}

.slider__layer {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    will-change: transform;
}

.slider__item {
    overflow: hidden;
    transform: scale(1.25)!important;
    transition: 2s ease!important;
}

.slider__item:not(.swiper-slide-active) {
    transform: scale(1)!important;
}

/* elem for ui */

.slider-ui {
    position: absolute;
    z-index: 10;
    inset: 0;
    pointer-events: none;
}

.top-line {
    padding: 3.2em 0;
}

.logo {
    display: block;
}

.logo img {
    display: block;
    width: 15.5em;
}

.main-menu li {
    list-style-type: none;
    display: inline-block;
}

.main-menu li > * {
    color: var(--gray-color);
    text-transform: uppercase;
    font-weight: 700;
    text-decoration: none;
    font-size: 0.725em;
    letter-spacing: .25em;
    position: relative;
    transition: .4s ease;
}

.main-menu li > *:before,
.main-menu li > *:after {
    content: '';
    display: inline-block;
    transition: .2s ease;
    height: 2px;
    background-color: var(--green-color);
    width: 11.25px;
    vertical-align: middle;
    top: -1px;
    left: -1.5px;
    position: relative;
    border-radius: 10em;
    margin: 0 7.25px;
    visibility: hidden;
}

.main-menu li.active > *,
.main-menu li:hover > * {
    color: var(--white-color);
}

.main-menu li.active > *::before,
.main-menu li:hover > *::before,
.main-menu li.active > *::after,
.main-menu li:hover > *::after {
    visibility: visible;
}

.logo, .main-menu, .button, .submenu {
    pointer-events: auto; /* кликабельность на touch devices */  
}

/* button */

.button {
    padding: 1.05em 2.6em;
    color: var(--white-color);
    background-color: var(--green-color);
    border: 1.5px solid transparent;
    border-radius: 10em 0 10em 10em;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: .21em;
    text-transform: uppercase;
    font-size: 0.65em;
    cursor: pointer;
    transition: .6s ease;
}

.button--top {
    background-color: transparent;
    border-color: var(--green-color);
    margin: 0 2em 0 3em;
}

.button:hover {
    background-color: var(--green-color);
    transition: .5s ease;
}

.submenu {
    --anim-menu-btn-color: var(--gray-color);
    --anim-menu-btn-gap: .195em;
    --anim-menu-btn-width: 1.08em;
}

.submenu {
    --anim-menu-btn--state-b-color: var(--green-color);
}

.anim-menu-btn--state-b {
    z-index: 100;
}

/* title */

.header-wripper {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.header-content {
    flex: 1;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    line-height: 1;
    flex-direction: column;
}

.header-content__slide {
    position: absolute;
}

.header-content h1 {
    font-size: calc(var(--index) * 11.95);
    text-transform: uppercase;
    font-weight: 900;
}

.header-content p {
    max-width: 560px;
    font-weight: 600;
    line-height: 1.4;
    display: inline-block;
}

.header-bottom {
    min-height: 120px;
}

.letters .letter {
    text-shadow: 25px 0 35px rgba(0 0 0 / .4);
    position: relative;
    margin-left: calc(var(--index) * -2.65);
    right: calc(var(--index) * -2.65);
    opacity: 0;
    top: -5em;
    transition: opacity var(--transition), top var(--transition);
}

.header-content__slide.active .letter{
    opacity: 1;
    top: 0;
}

.header-content__slide.active + * .letter {
    top: 5em;
}

.header-content__info {
    top: -18em;
    position: relative;
    opacity: 0;
    transition: opacity 1s ease, top 1.25s ease;
}

.header-content__slide.active .header-content__info {
    opacity: 1;
    top: 0;
}

.header-content__slide:has(* + .active .header-content__info),
.header-content__slide.active + * + .header-content__info {
    top: 18em;
}

/*styles for overlay and close button */

.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white-color);
    z-index: 10;
}

.mobile-menu-overlay.show {
    display: block;
    background-color: var(--black-color);
}

.mobile-main-menu {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    top: 35%;
}

.mobile-main-menu ul {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.mobile-main-menu ul li {
    text-transform: uppercase;
    list-style-type: none;
    padding: .9em;
}

.mobile-main-menu ul li a {
    text-decoration: none;
    font-size: 1.01em;
    font-weight: 700;
}

.mobile-main-menu ul li span {
    font-size: 1.01em;
    font-weight: 700;
}


.mobile-main-menu li > * {
    color: var(--gray-color);
    text-transform: uppercase;
    transition: .4s ease;
}

.mobile-main-menu li > *:before,
.mobile-main-menu li > *:after {
    content: '';
    display: inline-block;
    transition: .2s ease;
    height: 2px;
    background-color: var(--green-color);
    width: 11.25px;
    vertical-align: middle;
    top: -1px;
    left: -1.5px;
    position: relative;
    border-radius: 10em;
    margin: 0 7.25px;
    visibility: hidden;
}

.mobile-main-menu li.active > *,
.mobile-main-menu li:hover > * {
    color: var(--white-color);
    font-size: 1.01em;
    font-weight: 700;
}

.mobile-main-menu li.active > *::before,
.mobile-main-menu li:hover > *::before,
.mobile-main-menu li.active > *::after,
.mobile-main-menu li:hover > *::after {
    visibility: visible;
}

a.button.buttom--bottom {
    display: flex;
    position: fixed;
    top: 65%;
    right: 41.5%;
    align-items: center;
    max-width: 15em;
}

.mobile-main-menu, .button.buttom--bottom, .submenu {
    pointer-events: auto; /* кликабельность на touch devices */  
}

.close-menu {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
}

/* preloader */

.loader {
    background: none repeat scroll 0 0 #ffffff;
    /*box-shadow: inset 0 0 250px rgb(0 0 0 / .3);*/
    bottom: 0;
    height: 100%;
    left: 0;
    position: fixed;
    right: 0;
    top: 0;
    width: 100%;
    z-index: 9999; 
}
  
.loader_inner {
    background-image: url("../img/preloader/preloader.gif");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    background-color: transparent;
    height: 300px;
    width: 300px;
    margin-top: -150px;
    margin-left: -150px;
    left: 50%;
    top: 50%;
    position: absolute; 
}

/* media mobile */

@media all and (max-width: 889px) {
    .main-menu li {
        display: none;
    }
}

@media all and (max-width: 768px) {
    a.button.buttom--bottom {
        right: 39.5%;
    }
}

@media all and (max-width: 560px) {
    .button--top {
        display: none;
    }
    a.button.buttom--bottom {
        right: 35%;
    }
}

@media all and (max-width: 480px) {
    .logo img {
        width: 11em;
    }
    i.anim-menu-btn__icon.anim-menu-btn__icon--close {
        right: .2em;
    }
    .header-content h1 {
        font-size: calc(var(--index) * 10.5);
    }
    .letters .letter {
        right: calc(var(--index) * -1.25)
    }
    a.button.buttom--bottom {
        right: 31%;
    }
}

@media all and (max-width: 320px) {
    i.anim-menu-btn__icon.anim-menu-btn__icon--close {
        right: .5em;
    }
    a.button.buttom--bottom {
        right: 27.5%;
    }
}

@media all and (min-width: 889px) {
    .anim-menu-btn {
        display: none;
    }
}