:root {
    --primary: #995c3d;
    --dark: #020302;
    --white: #ffffff;
    --aqua: #E1E9F9;

    --speed: .25s ease-in-out;
}

#loader-wrapper {
    position: fixed;
    inset: 0;
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    pointer-events: none;
    user-select: none;
    background-color: var(--white);
    transition: 1s ease-in-out;
}

#loader-wrapper.hiding {
    animation: smoothHide 1s forwards;
}

@keyframes smoothHide {
    0% {
        background-color: rgb(from var(--white) r g b / 1);
    }
    33% {
        background-color: rgb(from var(--white) r g b / .25);
    }
    100% {
        background-color: rgb(from var(--white) r g b / 0);
        opacity: 0;
        visibility: hidden;
    }
}

#loader {
    width: 48px;
    height: 48px;
    border: 5px solid var(--dark);
    border-bottom-color: var(--primary);
    border-radius: 50%;
    display: inline-block;
    -webkit-animation: rotation 1s linear infinite;
    animation: rotation 1s linear infinite;
}

@-webkit-keyframes rotation {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}
@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

html {
    scroll-padding-top: var(--header-height);
}

body, html {
    font-size: 16px;
    line-height: 1.5;
    color: var(--dark);
    scrollbar-color: var(--dark) transparent;
    scrollbar-width: thin;
    font-family: Helvetica, sans-serif;
}

::-webkit-scrollbar {
    width: 4px;
    height: 4px;
    background-color: transparent
}

::-webkit-scrollbar-thumb {
    background-color: var(--dark);
    border-radius: 0;
    -webkit-border-radius: 0px;
    -moz-border-radius: 0;
    -ms-border-radius: 0px;
    -o-border-radius: 0
}

.container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 0 8px;
}

/* btn */

.button {
    appearance: none;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 12px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 4px;
    border: 1px solid transparent;
    outline: none;
    border-radius: 8px;
    padding: 24px;
    height: max-content;
    max-width: 100%;
    min-width: 300px;
    width: max-content;
    cursor: pointer;
    transition: var(--speed);
}

.button_transparent_white {
    color: var(--white);
}

.button_transparent_dark {
    color: var(--dark);
}

.button_dark {
    background-color: var(--dark);
    color: var(--white);
}

@media (hover: hover) {
    .button_dark:hover {
        background-color: var(--white);
        color: var(--dark);
        border-color: var(--dark);
    }
}

.button_white {
    background-color: var(--white);
    color: var(--dark);
}

@supports (backdrop-filter: url(#glass-distortion) blur(5px)) or
          (-webkit-backdrop-filter: url(#glass-distortion) blur(5px)) {
    .button_blur_white {
        backdrop-filter: url(#glass-distortion) blur(5px);
        -webkit-backdrop-filter: url(#glass-distortion) blur(5px);
    }
}

.button_blur_white {
    background-color: rgb(from var(--dark) r g b / 0.25);
    color: var(--white);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    border: 1px solid rgb(from var(--white) r g b / 0.25);
}

@media (hover: hover) {
    .button_blur_white:hover {
        background-color: rgb(from var(--dark) r g b / 0.35);
        border-color: rgb(from var(--dark) r g b / 0.35);
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
    }
}

.button_sm {
    padding: 12px 16px;
}

.button_md {
    padding: 24px 32px;
}

.button_lg {
    padding: 32px 48px;
}

/* inputs */
.input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.input-wrapper__label {
    font-size: 14px;
}

.input-wrapper__input,
.input-wrapper__textarea {
    display: block;
    padding: 12px 16px;
    border: 1px solid var(--dark);
    border-radius: 6px;
    user-select: none;
    transition: var(--speed);
}

.input-wrapper__textarea {
    min-height: 120px;
    resize: none;
}

@media (hover: hover) {
    .input-wrapper__input:hover,
    .input-wrapper__textarea:hover {
        background-color: var(--aqua);
        border-color: var(--primary);
    }
}

.input-wrapper__input:focus,
.input-wrapper__textarea:focus {
    background-color: var(--aqua);
    border-color: var(--primary);
    outline: none;
}

/* content */

.content {
    direction: ltr;
}

.content :where(h1, h2, h3, h4, h5, h6) {
    font-weight: bold;
}

.content h1 {
    font-size: 32px;
    margin-bottom: 20px;
}

.content h2 {
    font-size: 28px;
    margin-bottom: 18px;
}

.content h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

.content h4 {
    font-size: 20px;
    margin-bottom: 14px;
}

.content h5,
.content h6{
    font-size: 18px;
    margin-bottom: 12px;
}

.content :where(ul, ol) {
    list-style-position: inside;
}

.content p,
.content li {
    margin-bottom: 8px;
}

.content :where(strong, b) {
    font-weight: bold;
}

.text-center {
    text-align: center;
}

.text-white {
    color: var(--white);
}

.content__image {
    border-radius: 8px;
}

/* other */

/* header */

.header {
    position: sticky;
    top: 0;
    background-color: var(--white);
    z-index: 100;
}

.header__inner {
    padding: 16px 0;
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
}

.header__logo {
    display: block;
    width: 84px;
    height: auto;
}

.header__nav {
    display: flex;
    gap: 32px;
    align-items: center;
    justify-content: flex-end;
}

.header__nav__item {
    position: relative;
    display: block;
    text-decoration: none;
    color: var(--dark);
    font-size: 16px;
    text-transform: uppercase;
    transition: var(--speed);
}

.header__nav__item:before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    width: 100%;
    height: 3px;
    border-radius: 8px;
    background-color: var(--dark);
    transform-origin: top;
    scale: 1 0;
    transition: var(--speed);
}

@media (hover: hover) {
    .header__nav__item:hover {
        color: var(--primary);
    }

    .header__nav__item:hover:before {
        background-color: var(--primary);
        scale: 1 1;
    }
}

.header-button {
    width: 48px;
    height: 48px;
    border: none;
    outline: none;
    display: none;
}

.header-button__icon {
    width: 32px;
    height: 32px;
}

/* hero */

.hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
    max-height: 1080px;
    background: transparent url("../images/ship.png") center / cover no-repeat;
    margin-bottom: 96px;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--dark);
    opacity: .5;
    z-index: 10;
    pointer-events: none;
    user-select: none;
}

@media (hover: hover) and (pointer: fine) {
    .hero {
        background-attachment: fixed;
    }
}

.hero__inner {
    position: relative;
    z-index: 15;
}

.hero__text {
    display: flex;
    flex-direction: column;
    gap: 28px;
    text-align: center;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 32px;
}

.hero__text--title {
    font-size: 84px;
    letter-spacing: 16px;
}

.hero__text--subtitle {
    font-size: 32px;
    letter-spacing: 8px;
}

.hero__inner button {
    margin: 0 auto;
}

/* about */

.about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 96px;
}

/* services */

.services {
    margin-bottom: 96px;
}

.services__title {
    font-size: 64px;
    text-transform: uppercase;
    letter-spacing: 12px;
    text-align: center;
    margin-bottom: 32px;
}

.services__item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    direction: ltr;
    margin-bottom: 64px;
    padding: 48px 32px;
    border-radius: 12px;
    background-color: var(--dark);
    color: var(--white);
}

.services__item:nth-child(even) {
    direction: rtl;
    background-color: var(--aqua);
    color: var(--dark);
}

.services__item:last-child {
    margin-bottom: 48px;
}

.services button {
    margin: 0 auto;
}

/* footer */

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

.footer__list {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 8px;
    gap: 32px;
    margin-bottom: 32px;
}

.footer__list li {
    width: 32px;
    height: 32px;
}

.footer__contacts {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 8px;
    gap: 32px;
}

.footer__contacts a {
    color: var(--white);
}

/* popup form */

.popup-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.popup-form__title {
    font-size: 32px;
    margin-bottom: 16px;
}

.popup-form__fieldset {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.popup-form__legend {
    display: block;
    font-weight: bold;
    font-size: 18px;
}

.popup-form__payload-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* menu */

.menu__nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.menu__nav__item {
    color: var(--dark);
    font-size: 16px;
    text-transform: uppercase;
    text-decoration: none;
}