/*=============== GOOGLE FONTS ===============*/
@import url("https://fonts.googleapis.com/css2?family=Montserrat+Alternates:wght@400;500&display=swap");

/*=============== VARIABLES CSS ===============*/
:root {
    --header-height: 3.5rem;

    /*========== Colors ==========*/
    /*Color mode HSL(hue, saturation, lightness)*/
    --white-color: hsl(0, 0%, 100%);
    --black-color: hsl(0, 0%, 0%);

    /*========== Font and typography ==========*/
    /*.5rem = 8px | 1rem = 16px ...*/
    --body-font: "Montserrat Alternates", sans-serif;
    --h1-font-size: 1.5rem;
    --normal-font-size: 0.938rem;

    /*========== Font weight ==========*/
    --font-regular: 400;
    --font-medium: 500;

    /*========== z index ==========*/
    --z-tooltip: 10;
    --z-fixed: 100;
}

/*========== Responsive typography ==========*/
@media screen and (min-width: 1150px) {
    :root {
        --normal-font-size: 1rem;
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    background-color: var(--white-color);
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
    max-width: 1120px;
    margin-inline: 1.5rem;
}

/*=============== HEADER & NAV ===============*/
.header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    background-color: var(--black-color);
    z-index: var(--z-fixed);
    transform: translateY(-100%);
    transition: transform 0.35s ease;
}

.nav {
    position: relative;
    /* height: var(--header-height); */
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    color: var(--white-color);
    font-weight: var(--font-medium);
}

.nav__close,
.nav__toggle {
    display: flex;
    color: var(--white-color);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Navigation for mobile devices */
@media screen and (max-width: 1150px) {
    .nav__menu {
        position: fixed;
        left: -100%;
        top: 0;
        background-color: var(--black-color);
        width: 100%;
        height: 100%;
        padding: 6rem 3.5rem 4.5rem;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        transition: left 0.4s;
    }

    .nav__item {
        transform: translateX(-150px);
        visibility: hidden;
        transition: transform 0.4s ease-out, visibility 0.4s;
    }

    .nav__item:nth-child(1) {
        transition-delay: 0.1s;
    }
    .nav__item:nth-child(2) {
        transition-delay: 0.2s;
    }
    .nav__item:nth-child(3) {
        transition-delay: 0.3s;
    }
    .nav__item:nth-child(4) {
        transition-delay: 0.4s;
    }
    .nav__item:nth-child(5) {
        transition-delay: 0.5s;
    }
    .nav__item:nth-child(6) {
        transition-delay: 0.6s;
    }
}

.nav__list,
.nav__social {
    display: flex;
}

.nav__list {
    flex-direction: column;
    row-gap: 3rem;
}

.nav__link {
    position: relative;
    color: var(--white-color);
    font-size: var(--h1-font-size);
    font-weight: var(--font-medium);
    display: inline-flex;
    align-items: center;
    transition: opacity 0.4s;
}

.nav__link i {
    font-size: 2rem;
    position: absolute;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s, visibility 0.4s;
}

.nav__link span {
    position: relative;
    transition: margin 0.4s;
}

.nav__link span::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    background-color: var(--white-color);
    transition: width 0.4s ease-out;
}

/* Animation link on hover */
.nav__link:hover span {
    margin-left: 2.5rem;
}

.nav__link:hover i {
    opacity: 1;
    visibility: visible;
}

.nav__link:hover span::after {
    width: 100%;
}

/* Sibling fade animation */
.nav__list:has(.nav__link:hover) .nav__link:not(:hover) {
    opacity: 0.4;
}

.nav__close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
}

.nav__social {
    column-gap: 1rem;
}

.nav__social-link {
    color: var(--white-color);
    font-size: 1.5rem;
    transition: transform 0.4s;
}

.nav__social-link:hover {
    transform: translateY(-0.25rem);
}

/* Show header after scrolling past carousel */
.header.show-header {
    transform: translateY(0);
}

/* Show menu */
.show-menu {
    left: 0;
}

/* Animation link when displaying menu */
.show-menu .nav__item {
    visibility: visible;
    transform: translateX(0);
}

/*=============== BREAKPOINTS ===============*/
/* For large devices */
@media screen and (min-width: 1150px) {
    .container {
        margin-inline: auto;
    }

    .nav {
        height: calc(var(--header-height) + 2rem);
    }

    .nav__toggle,
    .nav__close {
        display: none;
    }

    .nav__link {
        font-size: var(--normal-font-size);
    }

    .nav__link i {
        font-size: 1.5rem;
    }

    .nav__list {
        flex-direction: row;
        column-gap: 3.5rem;
    }

    .nav__menu {
        display: flex;
        align-items: center;
        column-gap: 3.5rem;
    }
}