@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Barlow:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Bellefair&display=swap');

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

:root{
    /* colors */
    --dark: hsl(230 35% 7%);
    --light: hsl(231 77% 90%);
    --white: hsl(0 0% 100%);
    --white-10: hsl(0 0% 100% / 0.1);
    --mobile-nav: hsl(0 0 100% 4%);
    --title-color: hsl(0 0% 100% / .25);
;

    /* font-sizes */
    --fs-900: 9.375rem;
    --fs-800: 6.25rem;
    --fs-700: 3.5rem;
    --fs-600: 2rem;
    --fs-500: 1.75rem;
    --fs-400: 1.125rem;
    --fs-300: 1rem;
    --fs-200: 0.875rem;
    
    /* font-families */
    --belle: "Bellefair", serif;
    --condensed: "Barlow Condensed", sans-serif;
    --barlow: "Barlow", sans-serif;
}

img,
picture {
    display: block;
    max-width: 100%;
}

button {
    font: inherit;
}

@media (prefers-reduced-motion: reduce) {  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
    transition-duration: 0.01ms;
    scroll-behavior: auto;
  }
}

.flex{
    display: flex;
}

body{
    position: relative;
    padding: 1rem 1.5rem;
    font-family: var(--barlow);
    font-weight: 400;
    color: var(--light);
    width: 100%;
    min-height: 100vh;
    background: url(../assets/home/background-home-mobile.jpg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    text-align: center;
}

/* Navigation section */

.nav__menu{
    position: fixed;
    top: 0;
    right: -18rem;
    width: 18rem;
    height: 100%;
    padding: 2rem;
    background-color: var(--mobile-nav);
    backdrop-filter: blur(1.25rem);
    -webkit-backdrop-filter: blur(1.25rem);
    display: flex;
    flex-direction: column;
    gap: 3rem;
    z-index: 10;
    transition: right 0.5s ease-in-out;
}

.nav__menu.active{
    right: 0;
}

.nav__list{
    display: inline-block;
    list-style-type: none;
    text-align: start;
}

.nav__list a > span {
    font-weight: 700;
    margin-inline-end: 0.5rem;
}

.nav__item{
    margin-block-end: 3rem;
}

.nav__link{
    padding-block: 1rem;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 2.7px;
    text-transform: uppercase;
    font-family: var(--condensed);
    width: 100%;
    position: relative;
}

.nav__link::after{
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0%;
    height: 2px;
    background-color: var(--white);
    transition: width 0.3s ease;
}

.nav__link.active::after,
.nav__link:hover::after{
    width: 100%;
}

.nav__link:hover::after{
    background-color: var(--light);
}

/* Menu icons */
.hamburger{
    background-color: transparent;
    border: none;
    outline: none;
}

.open__btn{
    display: block;
}

.close__btn {
    justify-content: flex-end;
}

/* visible header */
.logo__img{
    width: 2.5rem;
}
.space__logo{
    justify-content: space-between;
    align-items: center;
}

.space__line{
    display: none;
}

/* main text */
.space__texts{
    margin-block-start: 2rem;
}

.space__heading {
    display: block;
    font-size: clamp(1rem, 2vw, 1.75rem);
    font-weight: 500;
    font-family: var(--condensed);
    letter-spacing: 4.5px;
    text-transform: uppercase;
    line-height: 1.5;
}

.space__span{
    font-size: clamp(5rem, 8vw + 1rem, 9.375rem); 
    font-family: var(--belle);
    letter-spacing: 2.7px;
    color: var(--white);
}

.space__paragraph,
.tab__description,
.tech__description,
.tab__para{
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.7;
    max-width: 28rem;
    margin-inline: auto;
}

.space__heading span {
  display: block;
}

.large__btn {
    position: relative;
    font-family: var(--belle);
    font-size: var(--fs-500);
    display: inline-grid;
    place-items: center;
    padding: 0 2rem;
    border-radius: 50%;
    aspect-ratio: 1;
    text-decoration: none;
    z-index: 1;
    background-color: var(--white);
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 1.25px;
}

.large__btn::after{
    content: "";
    position: absolute;
    z-index: -1;
    width: 100%;
    height: 100%;
    background-color: var(--white-10);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.5s linear, transform 0.75s ease-in-out;
}

.large__btn:hover::after,
.large__btn:focus::after {
    opacity: 1;
    transform: scale(1.5);
}

.space__main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5rem;
}

/* Number Heading on pages */
.title {
    font-family: var(--condensed);
    font-size: clamp(1rem, 2vw, 1.75rem);
    text-transform: uppercase;
    font-weight: 400;
    letter-spacing: 2.7px;
    color: var(--light);
}

.title span{
    color: var(--title-color);
    font-weight: 700;
}

/* control buttons */
.crew__tabs,
.tech__tabs,
.tabs{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.crew__tab[aria-selected="false"]{
    background-color: var(--white-10);
}

.crew__tab[aria-selected="true"],
.tech__tab[aria-selected="true"] {
  background-color: var(--white);
  color: var(--dark);
}

/* texts */
.tab__subheading,
.tab__heading,
.tech__subheading,
.tech__heading {
    text-transform: uppercase;
    font-family: var(--belle);
}

.tab__subheading {
    font-family: var(--condensed);
    font-size: clamp(1.3rem, 2vw, 2rem);
    color: var(--white-10);
    font-weight: 600;
}

.tab__heading,
.tech__heading{
    font-size: clamp(1.5rem, 5vw, 3.5rem);
    color: var(--white);
    font-weight: 500;
    margin-block-start: 0.5rem;
    margin-block-end: 1rem;
}

/* slide animation */
.fade-in{
    opacity: 0;
    transform: translateY(10px);
    animation: fade 0.6s forwards;
}

@keyframes fade {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
/* main mobile margin */
.tech__main,
.main__crew,
.destination__main{
    margin-block: 2rem;
}

.sr-only{
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    white-space: nowrap;
    border: 0;
    clip: rect(0, 0, 0, 0);
}

/* Keyframes */
@keyframes slideIn {
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideRight {
    to {
        transform: translateX(0);
        opacity: 1;
    }
}


/* Break points for 700px */
@media (min-width: 43.55rem){
    body {
        background: url(../assets/home/background-home-tablet.jpg);
        background-repeat: no-repeat;
        background-position: center;
        background-size: cover;
        text-align: start;
        padding: 0;
        
    }

    .open__btn,
    .close__btn{
        display: none;
    }

    .nav__menu{
        position: relative;
        right: 0;
        width: 35rem;
        height: auto;
        padding: 0;
        transition: none;
    }

    .nav__list{
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        padding-block: 2.5rem;
    }

    .nav__item{
        margin-block-end: 0;
    }

    .nav__link{
        padding-block: 2.5rem;
    }

    .space__header{
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        margin-block-start: 2rem;
    }

    .space__paragraph{
        margin-inline: 0;
    }

    .space__main,
    .crew,
    .tech__container,
    .destination__tab {
        grid-template-columns: 1fr auto;
        align-items: flex-end;
        width: 100%;
        max-width: 70rem;
        margin-inline: auto;
        margin-block: 4rem;
        padding-inline: 3rem;
    }

    .space__large-btn{
        display: flex;
        justify-content: flex-end;
    } 


    .logo__img{
        margin-inline: 2rem 0;
    }

    .fade-in{
    opacity: 0;
    transform: translateX(-10px);
    animation: fade 0.6s forwards;
}

@keyframes fade {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}
}

/* Break points for 900px */
@media (min-width: 56.05rem){
    body {
        background: url(../assets/home/background-home-desktop.jpg);
        background-repeat: no-repeat;
        background-position: center;
        background-size: cover;
        
    }

    .nav__menu{
        width: 50rem;
    }


    .space__line {
        content: "";
        display: block;
        position: relative;
        width: 35%;
        height: 1px;
        background-color: var(--white);
        z-index: -1;
    }

    .logo__img{
        margin-inline: 3rem;
    }
}