/* Reseting */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Root styling */
:root {
  /* fonts*/
  --space-ff: "Bellefair" , serif;
  --travel-ff: "Barlow Condensed", sans-serif;
  --normal-ff: "Barlow, serif";

  /* colors */
  --dark-clr: hsl(230, 35%, 7%);
  --dark-clrr: 230 35% 7%;
  --milk-clr: hsl(231, 77%, 90%);
  --white-clr: hsl(0, 0%, 100%);
  --white-clrr: 0 0% 100%;
  --dark-clrrr: hsl(230, 40%, 12%);
}

/* BODY SYTLE */
body {
  font-family: var(--normal-ff);
  font-size: 1.125rem;
  background-color: var(--dark-clr);
  background-position: bottom center;
  color: var(--white-clr);
  line-height: 1.5; /* default line-height is 1.4 */
  min-height: 100vh;
  display: grid;
  grid-template-rows: min-content 1fr;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

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


/* HOME STYLING */
#home {
  background: url("../assets/home/background-home-desktop.jpg") no-repeat center center/cover;
}

.primary_header {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  position: relative;
  top: 40px;
}

.primary_header::after {
  content: '';
  display: block;
  position: relative;
  height: 1px;
  background: hsl(var(--white-clrr)/0.25);
  width: 110%;
  order: 1;
  margin-left: -3rem;
}

.logo { 
  margin: 1.5rem clamp(1.5rem, 5vw, 3.5rem);
  position: relative;
  left: 0;
}

/* the toggle button for the mobile sreeen */
.mobile-nav-toggle {
  display: none;
}

nav {
  order: 2;
}

.primary_nav, 
.dest_nav {
  gap: clamp(1.5rem, 3vw, 3.5rem);
  list-style-type: none;
  margin: 0;
  /* background: hsl(var(--dark-clrr)/0.5); */
  background: hsla(0, 0%, 100%, 0.04);
  background-blend-mode: normal;
  backdrop-filter: blur(35px);
  --underline-gap: 2em;
  --margin-block: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 130px 0 60px;
  width: 100%;
}

.primary_nav a, 
.dest_nav a {
  text-decoration: none;
  color: var(--white-clr);
  text-transform: uppercase;
  letter-spacing: 2.7px;
  font-family: var(--travel-ff);
  margin: auto;
  padding: 0 10px;
  font-size: 15px;
  display: flex;
  align-items: center;
  text-align: center;
  min-width: 0;
}

.primary_nav a > span {
  margin-right: 1.2em;
  font-weight: 700;
  
}

.underline_indicator > * {
  padding: var(--underline-gap, 1rem) 0;
  border-bottom: 0.15rem solid hsl(var(--white-clrr) / 0);
  cursor: pointer;
}

.underline_indicator > *:hover, 
.underline_indicator > *:focus {
  border-color: hsl(var(--white-clrr) / .5);
}

.underline_indicator > *.active, 
.underline_indicator > *[aria-selected="true"]{
  border-color: hsl(var(--white-clrr)/1);
  color: hsl(var(--white-clrr) / 1);
}

.main_container {
  display: grid;
  grid-template-columns: minmax(1rem, 1fr) minmax(0, 40rem) minmax(0, 40rem) minmax(1rem, 1fr);
  text-align: left;
  column-gap: 8rem;
  place-items: center;
  margin: auto;
}

.main_container * {
  max-width: 50ch
}

.main_container > *:first-child {
  grid-column: 2;
}

.main_container > *:last-child {
  grid-column: 3;
}

.main_home {
  padding-bottom: max(6rem 20vh);
  align-items: end;
}

.main_home h1,   
.head_dest, 
.head_crew, 
.head_tech {
  text-transform: uppercase;
  letter-spacing: 4.75px;
  font-size: 1.75rem;
  font-family: var(--travel-ff);
  color: var(--milk-clr);
}

.main_home h1 > span,
.head_dest > span, 
.dest_right_p p > span,
.head_crew > span, 
.head_tech > span {
  color: var(--white-clr);
  display: block;
  text-transform: uppercase;
  font-family: var(--space-ff); 
  font-size: clamp(5rem, 7vw + 1rem,9.375rem);
}

.main_home p, 
.dest_right_p p {
  font-family: var(--normal-ff);
}

.large-button  { 
  position:  relative; 
  display:  inline-grid;  /* prevents button from overlapping other content */ 
  z-index:   1 ; 
  place-items:  center;  /* short hand for align-items and justify-content */ 
  padding:  0 2em ; 
  aspect-ratio:   1 ; 
  background-color: var(--white-clr);
  color: var(--dark-clr);
  border-radius:   50% ;  /* 50% for perfect circle */ 
  text-decoration:  none; 
  font-size:   2rem ; 
  text-transform: uppercase;
  font-family: var(--space-ff);
  outline: none;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
} 

.large-button::after { 
  content:   "" ;  /* critical for pseudo elements */ 
  position:  absolute; 
  z-index:  -1 ; 
  background:  hsl(var(--white-clrr) / 0.15);
  width:   100% ; 
  height:   100% ; 
  border-radius:   50%; 
  opacity:  0 ; 
  transition:  opacity  300ms  linear ,  transform  700ms  ease-in-out; 
  outline: none;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
} 

.large-button:hover::after, 
.large-button:focus::after  { 
  opacity:  1; 
  transform:   scale(1.3);
}


/*DESTINATION PAGE STYLING*/
#destination {
  background: url("../assets/destination/background-destination-desktop.jpg") no-repeat center center/cover;
}

.destination_main_container, 
.crew_main_container {
  display: flex;
  align-items: center;
  align-content: center;
  justify-content: center;
  gap: 10%;
 }

.heading_dest, 
.heading_crew,
.heading_tech {
  margin: 5rem 9rem;
  line-height: 34px;
  font-weight: 400;
  letter-spacing: 4.74px;
  /* margin-bottom: 5%; */
}

.head_dest > span, 
.head_crew > span, 
.head_tech > span{
  font-size: 28px;
  display: inline;
  padding-right: 1rem;
  background: transparent;
}

.dest_right, 
.crew_left{ 
  width: 100%;
  width: 445px;
  align-items: center;
  justify-content: center;
  margin-top: -40px;
  margin-bottom: 5%;
}

.dest_nav {
  align-items: center;
  justify-content: flex-start;
  padding-left: 0 ;
  gap: 0.988rem;
  margin: 3rem 0 ;
  background: transparent;
  backdrop-filter: blur(0);
}

.dest_nav a {
  padding-left: 0;
  background-color: transparent;
  color: var(--milk-clr);
}

.dest_nav a.activee{
  color: var(--white-clr);
}

.dest_right_p p,
.crew_left_info p, 
.tech_info p {
  letter-spacing: .1rem;
  font-family: var(--normal-ff);
  font-size: 1rem;
  padding-bottom: 2rem;
  color: var(--milk-clr);
}

.dest_right_p p > span {
  font-size: clamp(5rem, 7vw + 1rem, 5.375rem);
  margin: 0;
  padding: 0;
  margin-top: -30px;
}

hr {
  border: none;
  height: 1px;
  background-color: rgb(84, 84, 84);
  margin-bottom: 1rem;
}

.dest_info {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.dest_info > * {
  font-size: .7rem;
  text-transform: uppercase;
  font-family: var(--travel-ff);
  color: var(--milk-clr);
  letter-spacing: 2.36px;
}

.dest_info > * span {
  font-size: 1.2rem;
  display: block;
  font-family: var(--space-ff) !important;
  color: var(--white-clr);
}


/* CREW PAGE STYLING*/
#Crew {
  background: url("../assets/crew/background-crew-desktop.jpg") no-repeat center center/cover;
}

.crew_main_container {
  height: 79%;
  gap: 15%;
 }

 .crew_left {
   margin-bottom: 0;
   width: 510px;
 }

.crew_left_info h1{
  font-family: var(--space-ff);
  text-transform: uppercase;
  font-size: 2rem;
  font-weight: 400;
  color: var(--milk-clr);
}

.crew_left_info h1 > span, 
.tech_info h1 > span {
 display: block; 
 padding: 0rem 0;
 margin-bottom: 1rem;
 font-size: 46.5px;
 min-width: 490px;
 color: var(--white-clr);
}

.crew_buttons {
  margin: 5rem 0 0 0;
}

.crew_buttons button {
  width: 1rem;
  aspect-ratio: 1;
  border-radius: 50%;
  margin-right: 1rem;
  background-color: var(--milk-clr);
  opacity: 0.2;
  border: none;
  outline: none;
  cursor: pointer;
}

.crew_buttons > *:hover, 
.crew_buttons > *:focus {
  background-color: var(--milk-clr);
  opacity: 0.5;
}

.crew_buttons button.active {
  background-color: var(--white-clr);
  opacity: 1;
}

.crew_image{
  display: grid;
  align-self: end;
}

/* TECHNOLOGY PAGE STYLING */
#Technology {
  background: url("../assets/technology/background-technology-desktop.jpg") no-repeat center center/cover;
}

.tech_container {
  display: grid;
  grid-template-columns: 1fr 2fr 2fr;
  align-items: center;
  justify-content: center;
}

.tech_buttons {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding: 2rem;
  gap: 2rem;
}

.tech_buttons button {
  width: 4.6rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: transparent;
  border: 1px solid hsl(var(--white-clrr) / .2) ;
  color: hsl(var(--white-clrr) / 1);
  font-size: 2rem;
  outline: none;
  cursor: pointer;
}

.tech_buttons > *:hover, 
.tech_buttons > *:focus {
  border: 1px solid hsl(var(--white-clrr) / 1);
}

.tech_buttons button.active {
  background-color: hsl(var(--white-clrr) / 1);
  color: hsl(var(--dark-clrr) / .7);
}

.tech_info{
  width: 75%;
  padding: 0 1rem 0 2.2rem;
  margin-top: 2rem;
} 

.tech_info h1{
  font-family: var(--space-ff);
  text-transform: uppercase;
  font-size: 1rem;
  font-weight: 400;
  color: var(--milk-clr);
}

.tech_info h1 > span {
  display: block; 
  padding: 0;
  margin-bottom: 1rem;
  font-size: 56px;
  min-width: 490px;
  color: var(--white-clr);
}

.tech_image{
  display: flex;
  flex-direction: column;
  align-self: flex-end;
}

.image_landscape {
  display: none;
}
/* , */
/* , */
/* , */

/* MEDIA QUERIES FOR LARGER SCREENS AND TABLETS */
@media screen and (max-width: 81.25rem) {
  #home {
    background: url("../assets/home/background-home-tablet.jpg") no-repeat bottom center/cover;
  }
  
  .primary_header {
    top: 0;
    justify-content: space-between;
    align-items: initial;
  }

  .primary_header::after {
    display: none;
  }

  .primary_nav {
    padding: 0 35px 0 40px;
    background: var(--dark-clrrr);
    /* --underline-gap: 1.2em; */
  }

  .primary_nav a {
    font-size: 12px;
    padding: 0;
    font-weight: 500;
  }

  .primary_nav a > span {
    display: none;
  }

  .main_container {
    display: flex;
    flex-direction: column;
    place-items: center;
    gap: 50px;
    min-width: 0;
  }

  .main_container * {
    max-width: 450px;
  }

  .main_home {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: 0;
  }

  .main_home h1 {
    font-size: 1.0rem;
    letter-spacing: 0.5109rem;
  }

  .main_home h1 > span {
    font-size: 9.075rem;
    line-height: 9.375rem;
    height: 9rem;
    padding: 10px 0;
  }

  .main_home p {
    font-size: 1.025rem;
    line-height: 1.75rem;
    font-size: 1rem;
    display: inline-block;
    width: max-content;
    margin-top: 30px;
    color: var(--milk-clr);
    text-align: center;
    max-width: 25rem;
  }

  .large-button  { 
    font-weight: 400;
    font-size:  1.8rem;
    margin-top: 100px;
  } 


  /* Destination page media query */
  #destination {
    background: url("../assets/destination/background-destination-tablet.jpg") no-repeat center center/cover;
  }

  .heading_dest, 
  .heading_crew, 
  .heading_tech {
    margin: 2% 9%;
    color: var(--white-clr);
    font-family: var(--travel-ff);
  }

  .heading_dest h3, 
  .heading_crew h3, 
  .heading_tech h3 {
    color: var(--white-clr);
  }

  .head_dest > span, 
  .head_crew > span, 
  .head_tech > span {
    color: hsl(var(--white-clrr) /.4);
    font-weight: bold;
  }

  .destination_main_container{
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0;
  }

  .dest_right {
    width: 573px;
    text-align: center;
  }

  .dest_nav {
    padding-right: 0;
    justify-content: center;
  }

  /* Crew page media query */
  #crew {
     height: 1024px;
  }

  #crew {
    background: url("../assets/crew/background-crew-tablet.jpg") no-repeat center center/cover;
  }

  .crew_main_container {
    display: flex;
    flex-direction: column;
    justify-content: start;
    margin: 0;
    padding: 0;
    height: 70%;
  }

  .crew_left {
    text-align: center;
    z-index: 3;
    position: absolute;
    top: 25%;
  }
  .crew_left_info h1 {
    margin: 0;
    padding: 0;
    font-size: 23px;
  }

  .crew_left_info h1 > span {
    font-size: 30px;
    padding: 0;
  }

  .crew_buttons {
    margin: 1rem 0 0 0;
  }

  .crew_image {
    position: absolute;
    bottom: 0;
    left: 35%;
  }
  .crew_image img {
    max-width: 50%;
  }

  /* TECHNOLOGY PAGE MEDIA QUERY */
#Technology {
  background: url("../assets/technology/background-technology-tablet.jpg") no-repeat center center/cover;
}

  .tech_container {
    grid-template-columns: 1fr;
    justify-content: center;
    align-content: center;
  }

  .tech_buttons {
    order: 2;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
  }

  .tech_info {
    display: flex;
    flex-direction: column;
    width: auto;
    min-width: 80%;
    align-items: center;
    justify-content: center;
    text-align: center;
    order: 3;
  }

  .tech_info p {
    padding: 0 .1rem;
    max-width: 469px;
  }

  .tech_image {
    order: 1;
    margin: 1.2rem 0;
  }

  .image_portrait {
    display: none;
  }

  .image_landscape {
    display: flex;
  }
}

/* , */
/* , */
/* , */
/* , */
/* , */
/* , */
/* , */
/* , */
/* , */

/* MOBILE DEVICE MEDIA QUERY (LARGE SCREENS) */
@media screen and (max-width: 720px) {
  body {
    min-height: 100vh;
  }

  #home {
    background-image: url("../assets/home/background-home-mobile.jpg");
    background-repeat: no-repeat;
    background-position: center center;
  }

  .primary_nav {
    background: hsla(0, 0%, 100%, 0.03);
    background-blend-mode: normal;
    backdrop-filter: blur(30px);
    align-items: flex-start;
    width: 85%;
    height: 100vh;
    --underline-gap: 0.5rem;
    position: fixed;
    z-index: 500;
    inset: 0 0 0 30%; /* shorthand for top left bottom right */
    list-style: none;
    padding: min(20rem, 15vh) 2rem;
    margin: 0;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 800ms ease-in-out;
    --padding-inline: clamp(2rem, 10vw, 8rem);
    
  }

  .primary_nav[data-visible="true"] {
    transform: translateX(0);
  }


  .underline_indicator > * {
    border: 0;
  }

  .primary_nav a {
    font-size: 1.25rem;
  }

  .primary_nav a > span{
    display: block !important;
  }

  /* styling the button(open an dclose toggle) in general */
  .mobile-nav-toggle {
    display: block;
    position: fixed;
    z-index: 2000;
    right: 1rem;
    top: 2rem;
    background: transparent;
    background-image: url("../assets/shared/icon-hamburger.svg");
    background-repeat: no-repeat;
    background-position: center;
    width: 2rem;
    aspect-ratio: 1;   /* to fit the width and set it to square*/
    border: 0;
    cursor: pointer;
    outline: none !important;
  }

  /* styling of button if nav menu is open */
   .mobile-nav-toggle[aria-expanded='true'] {
    background-image: url("../assets/shared/icon-close.svg");
    z-index: 5000;
  }

  .main_home {
    margin-top: 20px;
  }

  .large-button  { 
    font-size:  1.5rem;
    margin: 0;
  } 



  /* DESTININATION PAGE FOR MOBILE LARGE SCCREEN*/
  #destination {
    background: url("../assets/destination/background-destination-mobile.jpg") no-repeat center center/cover;
  }

  .heading_dest, 
  .heading_crew,
  .heading_tech {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: auto;
  }

  .head_dest, 
  .head_crew, 
  .head_tech{
    font-size: 21px;
    text-align: center;
    width: 475px;
    padding-bottom: 9%;
  }
  
  .head_dest > span, 
  .head_crew > span,  
  .head_tech > span{
    font-size: 21px;
    padding-right: .9rem;
    color: hsl(var(--white-clrr) /.56);
    font-weight: bold;
  }

  .dest_image,
  .crew_image{
    align-items: center;
    justify-content: center;
    display: flex;
  }

  .dest_image img, 
  .crew_image img {
    max-width: 75%;
  }

  .dest_right, 
  .crew_left {
    width: 500px;
  }

  .dest_nav.underline_indicator > * {
    padding: .4em 0;
    border-bottom: 0.15rem solid hsl(var(--white-clrr) / 0);
    cursor: pointer;
    margin-bottom: 2rem;
  }
  
  .dest_nav.underline_indicator > *:hover, 
  .dest_nav.underline_indicator > *:focus {
    border-color: hsl(var(--white-clrr) / .5);
  }
  
  .dest_nav.underline_indicator > *.active{
    border-color: hsl(var(--white-clrr)/1);
    color: hsl(var(--white-clrr) / 1);
  }

  .dest_right_p p, 
  .crew_left_info p {
    padding-left: 8%;
    padding-right: 8%;
  }

  .dest_right_p p > span {
    margin-top: -60px;
  }

  hr {
    margin-left: 8%;
    margin-right: 8%;
  }

  /* CREW STYLING FOR MOBILE LARGE SCREENS */
  #crew {
    background: url("../assets/crew/background-crew-mobile.jpg");
  }

  .crew_main_container {
    display: flex;
    flex-flow: column-reverse;
  }

  .crew_left {
    display: flex;
    flex-direction: column;
    flex-flow: column-reverse;
    margin-top: -4rem;
    margin-bottom: 20%;
    text-align: center;
    position: static;
    z-index: 50;
  }

  .crew_left_info p {
    font-size: .9rem;
  }

  .crew_image {
    display: flex;
    align-self: center;
    position: relative;
    left: auto;
  }

  .crew_image img{
    max-width: 45%;
    padding: 0 2em;
    margin: 0 -1em;
    border-bottom: 2px solid hsl(var(--white-clrr) / 0.3);
  }

  .crew_buttons {
    margin-bottom: 2rem;
  }

  .crew_buttons button {
    width: .9rem;
    aspect-ratio: 1;
    margin-right: 1 rem .8rem;
  }


  /* TECHNOLOGY STYLING FOR MOBILE LARGE SCREENS */
  #technology {
    background: url("../assets/technology/background-technology-mobile.jpg") no-repeat center center/cover;
  }

  .tech_buttons {
    margin-top: 3rem;
  }

  .tech_buttons button {
    width: 4rem;
  }

  .tech_image {
   display: flex;
   justify-content: center;
   margin: auto;
  }

  .tech_info {
    margin-left: 0;
    margin-right: 0;
    padding-right: 0;
    padding-left: 0;
  }

  .tech_info h1{
    font-size: .9rem;
  }
  
  .tech_info h1 > span {
    padding: 0;
    margin-bottom: 1rem;
    font-size: 2.5rem;
    min-width: 470px;
  }

  .tech_info p {
    font-size: .9rem;
    margin-bottom: 2rem
  }
}

/* , */
/* , */
/* , */
/* , */
/* , */
/* , */
/* , */
/* , */
/* , */

/* SMALLER SCREENS MOBILE DEVICES */
@media screen and (max-width: 470px) {
  .main_home {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: 90%;
  }
  .main_home h1 {
    font-size: 0.8rem;
    letter-spacing: 0.2109rem;
  }

  .main_home h1 > span {
    font-size: 5.075rem;
    line-height: 9.375rem;
    height: 7rem;
    margin-top: -30px;
    padding: 1px 0;
  }

  .main_home p {
    line-height: 1.45rem;
    font-size: 0.8rem;
    display: inline-block;
    width: max-content;
    margin-top: 19px;
    color: var(--milk-clr);
    text-align: center;
    max-width: 15rem;
    padding: 0;
    margin: 0;
  }

  .large-button  { 
    font-weight: 400;
    font-size:  1.5rem;
    margin-top: -10px;
  } 

  /* DESTINATION */

  .head_dest, 
  .head_crew, 
  .head_tech {
    font-size: 16px;
    text-align: center;
    width: 355px;
    padding-bottom: 9%;
  }
  
  .head_dest > span,
  .head_crew > span,
  .head_tech > span {
    font-size: 16px;
    padding-right: 1rem;
  }
  
  .dest_image img, 
  .crew_image img {
    max-width: 55%;
  }

  .dest_right,
  .crew_left {
    width: 366px;
  }

  .dest_right_p, 
  .crew_left_info {
    font-size: 13px;
    padding-left: 5%;
    padding-right: 5%;
  }

  .dest_right_p p > span {
    font-size: 4rem;

  }

  hr {
    margin-left:15%;
    margin-right: 15%;
  }

  .dest_info {
    display: grid;
    grid-template-columns: 1fr;
  }
  
  .dest_info > * {
    font-size: 1rem;
    letter-spacing: 2.36px;
  }
  
  .dest_info > * span {
    font-size: 1.5rem;
    margin-bottom: 7%;
  }

  /* CREW PAGE FOR MOBILE SMALLER SCREENS */
  .crew_left_info{
    width: 340px;
  }

  .crew_left_info h1, 
  .tech_info h1 {
    font-size: 1.1rem;
  }

  .crew_left_info h1 > span, 
  .tech_info h1 > span {
    font-size: 1.8rem;
    min-width: 0;
  }

  .crew_left_info p,
  .tech_info p {
    font-size: .7rem;
    line-height: 1.9;
    padding-bottom: 8rem;
  }

  .crew_buttons button {
    width: .7rem;
    aspect-ratio: 1;
    margin: 1 rem .8rem;
  }

  /* TECHNOLOGY PAGE FOR MOBILE SMALLER SCREEN */
  .tech_buttons button {
    width: 3.5rem;
  }

  .tech_info p {
    margin: 0 2rem;
  }  





}