:root{
--primary-blue:#0455FA;
--deep-blue:#0455FA;
--mid-blue:#1D73FA;
--light-blue:#68AEFA;
--light-mid-blue:#3A94FB;
--shutdown-blue:#4979ED;
--light-blue-bg:#E6EEFF;
--light-gray-blue:#D1DAEC;
--deep-gray:#707481;
--light-gray:#848484;
--black:#131313;
--deep-black:#000101;
--white:#fff;

--text-64:4rem;
--text-62:3.75rem;
--text-32:2rem;
--text-48:2.8125rem;
--text-26:1.625rem;
--text-24:1.5rem;
--text-22:1.375rem;
--text-18:1.125rem;
--text-16:1rem;
--text-14:0.875rem;
--text-12:0.75rem;
--text-10:0.625rem;
--text-8:0.5rem;
}
html, body { overflow-x: hidden; }

body{
  font-family: "IBM Plex Sans", sans-serif;
  display: grid;
  grid-template-columns: minmax(0, 1fr); 
  margin: 0;
  font-size: var(--text-16);
 /* border: 1px solid red ;*/
  grid-template-areas:
    "header"
   "main"
    "footer";
    width: 100%; 
    max-width: 100%;
}
header{grid-area: header;}
main{grid-area: main;}
footer{grid-area: footer;}

header, main, footer {
  min-width: 0;   /* מאפשר להצטמצם בתוך ה־viewport */
}
main {
  display: grid;
    grid-template-columns: minmax(0, 1fr); 
  grid-template-areas:
    "hero"
    "intro"
    "skill"
    "projects"
    "exp_dev"
    "exp_design";
}
.hero,
.intro,
.skill,
.projects,
.exp.dev,
.exp.design {
  padding: 0 6.2vw;
}

section{
/*border: 1px solid yellow;*/
margin-bottom: 16vh;
}

a{
   text-decoration:none;
   color:var(--deep-black);
}
header{
     grid-area: header;
     display: flex;
     justify-content: space-between;
     align-items: center; 
     margin: 4.2vh 6.2vw;
}
  .logo{
    color: var(--primary-blue);
    font-size: 8.2vh ;
    display: flex;
    align-items: center;
    font-weight: 600;
    flex-wrap: wrap; max-width: 100%; 
}
  .logo span.square_black{
    color: var(--deep-black);
    padding:0.28rem 0.4rem;
    margin: auto 0.24rem;
    border: 2px solid var(--deep-black);
    border-radius: 4px;
    font-size: 28%;
    letter-spacing: 0.028rem;
    font-weight: 500;
    text-transform: uppercase;
      white-space: nowrap;
}
/* nav cv download and project naviftion in site */
nav.nav_site{
    display: flex;
    text-transform: uppercase;
}
nav.nav_site a{    
    margin: 0 1vw;
}
.projects_btn2nav {
  position: relative;
  padding-bottom: 0.5rem; 
}

nav.nav_projects {/* btn project on hover in home page project navigation appear */
  position: absolute;
  top: 100%;
  left: 0;
  display: none;
  z-index: 10;
    text-transform: uppercase;
    }


   nav.nav_projects a{
    border:1px solid var(--primary-blue);
    color:var(--primary-blue);
    margin: -0.12px;
    padding: 0.2rem;
      white-space: nowrap;
   } 
   
   .projects_btn2nav:hover nav.nav_projects,
   .projects_btn2nav:focus-within nav.nav_projects{/* btn project on hover in home page project navigation appear and get the hover focus for user interaction without disappearing */
    display: flex;
   }
   .projects_btn2nav:hover nav.nav_projects a{
    background-color: var(--white);
    color: var(--light-gray);
    border: 0.62px solid var(--light-gray);
    font-weight: 400;
   }
   .projects_btn2nav:hover nav.nav_projects a:hover{
    background-color: var(--primary-blue);
    color: var(--white);
    border: 0.62px solid var(--white);
    font-weight: 500;
   }
.projects_btn2nav:hover nav.nav_projects a.project_selected,
.projects_btn2nav:focus-within nav.nav_projects a.project_selected,
.nav_projects.show a.project_selected{
  background-color: var(--primary-blue);
  color: var(--white);
  border-color: var(--white);
  font-weight: 500;
}
/*nav projects in PROJECT PAGE*/
.header_project_page nav.nav_projects {
display:flex ;
}
.header_project_page nav.nav_projects a:hover {
  background-color: var(--primary-blue);
  color: var(--white);
  border-color: var(--white);
  font-weight: 500;
}


/*nav social link HEADER AREA COLOR BLUE*/
.nav_social_link a{    margin-left: 1vw;
    color: var(--shutdown-blue);
    text-decoration: underline;
}
/* hero section */
.hero{ 
    grid-area: hero;
}
.hero h1{
     font-size: var(--text-62);
     line-height: 1.32;
     margin: 14.4vh 0 4.2vh;
     color: var(--primary-blue);
}
.text_blue_bg{
     background-color: var(--deep-blue);
     color: var(--white);
}

.hero h2{font-size:var(--text-48);line-height: 132%;}
.text_square{
    border: 1px solid var(--deep-blue);
    padding: 0 0.2vw;
}
.hero_btn{
    margin-top: 4.2vh;
}
.hero_btn a{
    font-size: var(--text-24);
    margin-right: 1.4vw;
    text-transform: uppercase;
}

/* intro section */
.intro {
 grid-area:intro;
  display: grid;
  grid-template-columns: 3fr 1fr; /* 3/4 + 1/4 */
  gap: 2rem;
  align-items: start;
}
.intro_text{
   /*border: 1px solid pink;*/
}
.intro_text h2{
    font-size: var(--text-48);
    color: var(--primary-blue);
    text-transform: capitalize;
    margin-bottom: 3.8vh;
}
.intro_text p{
    font-size: var(--text-32);
    line-height: 138%;
margin-bottom: 1.32rem;
}
.intro_text p:last-of-type {
  margin-bottom: 0;
}
.text_blue{
    color: var(--primary-blue);
}
.intro aside{
  /* border: 1px solid greenyellow;*/
}

aside.icon_area{
    display: grid;
    grid-template-rows: repeat(5, minmax(40px, 1fr));
    gap: inherit;
    justify-items: center;
    align-content: space-evenly;
    height: 100%;
    grid-template-columns: 1fr;
}

/* skill section */
.skill {
  grid-area:skill;
  display: grid;
grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
   align-items: stretch; 
}
.skill > h2 {
  grid-column: 1 / -1; 
  font-size: var(--text-32);
  text-transform: capitalize;
}
.skill_tool{
  display: flex;
  flex-direction: column;
}
.skill_tool h3{
    flex: 0 0 auto;
    font-size: var(--text-32);
    text-transform: capitalize;
    line-height: 1.2;    
    min-height: 2lh; 
    margin-bottom: 3.2Vh;
}
.skill_tool li{
    font-size: var(--text-24);
    line-height: 1.38;
}
.skill_tool li:before {
  content: "|";
  color: var(--primary-blue);
  margin-right:0.12rem ;
}

/* projects section */
.projects {
    grid-area: projects;
}
.project a{ /*project grid design araea for each project*/
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;         
  grid-template-areas:
    "title  tools   preview"
    "desc   .       preview";
    grid-template-rows: auto auto;
  column-gap: 2rem;
  align-items: center;
  padding:5.6vh 0 4.8vh;
 min-width: 0; 
}
.projects article {
    padding: 0;
       border-bottom: 0.062rem dashed transparent;
   border-image: repeating-linear-gradient(
    to right,
    var(--light-blue) 0 4px,  
    transparent 4px 12px            
  ) 1;
}
.project > .summary     { grid-area: desc;  }
.project > .tools       {
     grid-area: tools; 
     align-self: end;}
.project > .preview     { grid-area: preview; }
.project > header       {
     grid-area: title; 
    display: flex; 
    align-items: baseline;
     gap: .75rem;
    justify-content: flex-start;
    margin: 3.2vh 0 0; 
}

.projects-header {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  padding-bottom: 0.8rem;
  border-bottom: 0.062rem dashed transparent;
   border-image: repeating-linear-gradient(
    to right,
    var(--light-blue) 0 4px,  
    transparent 4px 12px            
  ) 1;
  font-size: var(--text-14);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--deep-black);
}
.project > header  span.project-link{
    font-weight: 300;
    color: var(--deep-blue);
}
.project a header h3{
font-size: var(--text-18);
text-transform: capitalize;
}
.project a p{
    font-size: var(--text-18);
    align-self: self-start;
        line-height: 1.48;
    letter-spacing: 0.2px;
}
.project .tools li
 {         
  display: inline-block;
  background-color:var(--light-blue-bg) ;
  color: var(--deep-blue);
  font-size: var(--text-12);
  padding: 0.2rem 0.24rem;
  margin-right: 0.325rem;
 }
 .project .preview {
  margin: 0;                 
  display: grid;             
  place-items: center;
}
.project .preview img {
  max-width: 100%;
  height: auto;
}
.project a:hover{
    background-image: linear-gradient(0deg, var(--light-blue-bg),   transparent 8%);
}
.project a:hover header h3{
color: var(--shutdown-blue);
}
.project a:hover p{
    color:var(--deep-gray);
}
.project a:hover .tools li{
    background-color: var(--white);
    border: 0.1rem solid var(--light-gray);
    color: var(--deep-gray);
}     
.project a:hover  .preview img {
    opacity: 60%;
} 
.project a:hover header span{
    color: (var(--deep-black));
}

/* exp_dev section */
.exp.dev{grid-area: exp_dev;}
.exp h2{
    font-size: var(--text-32);
    font-weight: 500;
}
.exp h2 span.text_blue_bg{
    font-weight: 400;
}
.exp header{
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin:6.2vh 0 4.2vh;
}
.exp header h3{
    font-size: var(--text-48);
    font-weight: 300;
}

.exp header h3 time{
    font-size: var(--text-22);
}
/* footer section */
.exp header a{
    font-size: var(--text-12);
    color: var(--deep-blue);
    text-decoration: underline;
}
.exp h4{
    font-size: var(--text-32);
    text-transform: capitalize;
    margin-bottom: 4.8vh;
}
.exp ul{
  margin-inline-start: 3.6vw; 
  max-width: 68vw;
  list-style: square;     
  padding-inline-start: 1.2em;
}


.exp ul li::marker{
  color: var(--primary-blue);
  font-size: var(--text-22);   
  line-height: 1.42;  
}
.exp li {
    font-size: var(--text-26);
    line-height: 1.68;
    margin-bottom: 1.42vh;
}
.exp a{    
    display: block;
    text-align: end;
    font-size: var(--text-48);
    color: var(--primary-blue);
}
.exp a span{
    display: none;
       font-size: var(--text-28);
}
.exp a:hover{
    background-color: var(--primary-blue);
    color: var(--light-blue-bg);
}    
.exp a:hover span{
    display: inline;
    color: var(--light-blue-bg);
    font-size: var(--text-26);
    text-transform: capitalize;
}
/*design exp section */
.exp.design {grid-area:exp_design ;}
.exp.design h4{
    margin:4vh;
    line-height: 1.42;
    text-transform: lowercase;
}
dl{
  margin-inline-start: 3.6vw; 
  max-width: 68vw; 
}

 dd {

  margin: 0 0 2.8vh;
  margin-inline-start: 1.2em;
    font-size: var(--text-26);
    line-height: 1.42;
}
 dt{ 
   position: relative;
  padding-inline-start: 1.2em;   

    font-size: var(--text-26);
    line-height: 1.68;
    text-transform: uppercase;
}
 dt::before {
  content: "■";
  position: absolute;
  inset-inline-start: 0; 
 top: 0.28lh;    
 transform: translateY(-50%);
  width: 0.6em;
  height: 0.6em;

  color: var(--primary-blue);
  font-size: 0.8em;
  margin-right: 0.4em;
}

footer{
    grid-area: footer;
    padding: 4.2rem 6.2vw;
    background-color:var(--primary-blue) ;
    color: var(--white);
    text-align: left;
  }
footer .footer_site{
    margin-bottom: 6.2vh;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
footer .logo{
    color: var(--white);
    font-size: 5.2vh ;
    padding: 0.18rem 0.24rem;
}
footer .logo span.square_black{
color: var(--white);
border: 1px solid var(--white);
 font-weight: 600;
     letter-spacing: 0.048rem;
}
footer .nav_site a{
    color: var(--white);
    letter-spacing: 0.048rem;
    font-weight: 500;
}
footer  small.open_source{
  font-size: var(--text-14);
}
footer  small.open_source a{
  color: var(--white);
  text-decoration: underline;
}
/*nav social link HEADER AREA COLOR BLUE*/
footer .nav_social_link a{    
    color: var(--white);
    letter-spacing: 0.02rem;
  font-size: var(--text-14);
}


/*--------PROJECT PAGE---------*/

main.project_page > article{
  display: grid;
  grid-template-areas:
    "header"
    "short_description"
    "process_solution"
    "visual_presentation"
    "finish_line";
}


main.project_page > article > header{ 
    grid-area: header; 
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-top: 6.2vh;
    margin-bottom: 16vh;

}

main.project_page > article > .short_description{ grid-area: short_description; }
main.project_page > article > .process_solution{ grid-area: process_solution; }
main.project_page > article > .visual_presentation{ grid-area: visual_presentation; }
main.project_page > article > .finish_line{ grid-area: finish_line; }

main.project_page > article >
.short_description,
.process_solution,
.visual_presentation,
.finish_line {
  padding: 0 6.2vw;
}

/*project page header - project itro name + tools + url */
.project_page header h1{
font-size: var(--text-64);
font-weight: 600;
letter-spacing: -2px;
margin: 12vh 0 8.6vh;
}

.project_page ul {
    display: flex;
    margin: 2vh 0;
}
.project_page ul li{
font-size: var(--text-12);

padding: 0.24rem;
margin-right: var(--text-12);
}
.project_page ul.tool_dev_tags li{
    color: var(--white);
background-color: var(--primary-blue);
}
.project_page ul.tool_design_tags li{
    color: var(--primary-blue);
background-color: var(--light-blue-bg);
}
.project_page header p{
  margin: 4.2vh 0 0;
}
.project_page header a.project_link{
color: var(--mid-blue);
font-size: var(--text-12);
text-decoration: underline;
text-transform: uppercase;
}
.project_page .short_description h2{
    font-size: var(--text-48);
    line-height: 1.24;
        margin: 4.2vh 0 14.6vh;
}
.project_page .short_description dt{
    padding-inline-start:0;
}
.project_page .short_description dt::before {
  content: none;
}


.project_page .process_solution h2{
    font-size: var(--text-16);
    text-transform: uppercase;
    margin-bottom: 4.2vh;
}
.project_page  .visual_presentation h2{
font-size: var(--text-12);
    text-transform: uppercase;
    letter-spacing: 0.012rem;
    font-weight: 400;
    margin-bottom: 3.2vh;}

.project_page  .visual_presentation .vis_gallery{
     
      flex-direction: row;
 display: flex;
 flex-wrap: wrap;
}  
.project_page  .visual_presentation .vis_gallery img {
     
max-width: 16vw;
}  
.visuals {
  display: grid;
  gap: 1.25rem;
}

/* grid for visuals preview - title 1/4 - visuals 3/4 */
.visuals figure {
  display: grid;
  grid-template-columns: 1fr 3fr;
   grid-template-areas: "title vis";  
  align-items: start;
  gap: 1rem;
  margin-bottom: 6.8rem;
}

.visuals figure > figcaption {
    grid-area:title;
     grid-column: 1;   
     align-self: self-start;  }
.visuals figure > .vis       { 
    grid-area:vis;
    grid-column: 2; 
      align-self: center; 
display: flex;
    place-items: center;
    justify-content: center;
    flex-direction: row;
}
.visuals figure > .vis.vis_gallery,
.visuals figure > .vis.vis_palette,
.visuals figure > .vis.vis_type{
    justify-content: space-evenly;
}
figcaption{
    font-size: var(--text-18);
    text-transform: uppercase;
    line-height: 1.2;
}
.visuals img {
  max-height: 16.8rem; 
  height: auto;
  width: auto; 
  object-fit: contain; 
}
.visuals .vis_img.web img{
  max-height: 26.8rem; 
}


.visuals figure > .vis.vis_palette .color_tag{
  background-color: #262fd1;
  color: var(--white);
  padding: 0.375rem 0.24rem;  
  font-size: var(--text-14);
         margin-right: 1vh;
}

.visuals figure > .vis.vis_type{    
    flex-direction: column;
    align-items: flex-start;
}
.visuals figure > .vis.vis_type .font_example{
    margin-bottom: 1.8vh;
}
/* שם הגופן נשאר בגופן הבסיס של האתר (יורש מה-body) */
.vis_type .font_name {
  font-family: "IBM Plex Sans", sans-serif !important;
  font-weight: 300;
  line-height: 1.8;
  font-size: var(--text-14);
}

/* הדוגמה לא מקבלת גופן קבוע ב-CSS.
   ה-JS בלבד יגדיר כאן font-family דינאמי לפי הפרויקט. */
.vis_type .font_example {
  /* לא להגדיר כאן font-family */
}


/*finish line  section */
.finish_line{
font-size: var(--text-32);
line-height: 1.32;
}


/*------------ mpbile + tablet ------------*/
@media (max-width: 768px) {
    .hero,
.intro,
.skill,
.projects,
.exp.dev,
.exp.design {
  padding: 0 2.4vw;
}
header {
    margin: 4.2vh 2vw;
}
.logo{    
    font-size: 6.2vh;
}
.logo span.square_black {
    font-size: 22%;
}
nav.nav_projects{
    display: none;
    flex-direction: column;
    align-items: stretch;
}
 
.show {
    display: flex;
  }
.hide{
    display: none;
} 
.hero h1 {
    margin: 8.2vh 0 6.2vh;
  
}
.intro{
        grid-template-columns: 1fr;
}
.intro_text p {
    line-height: 152%;
    margin-bottom: 2.42rem;
}
.hero h2 {
    line-height: 152%;
}
.hero h2 :nth-child(2 of .text_square){
  border: none;
}
.exp header a {
    font-size: var(--text-16);
}
.exp > header {
    margin: 4.2vh 0;
    padding: 0;
}

  .projects-header {
    display: grid;
    grid-template-columns: 1fr;      
    gap: .5rem;
  }
  .exp a span {
    display: inline;
color: var(--shutdown-blue);
        font-size: var(--text-32);
}
  .projects-header span:nth-child(2),
  .projects-header span:nth-child(3) {
    display: none;                  
  }

 
  .project a{
    display: grid;
    grid-template-columns: 1fr 1fr; 
    grid-template-areas:
      "title   preview"
      "tools   preview"
      "desc    preview";
    grid-template-rows: auto auto auto;
    column-gap: 1rem;
    row-gap: .75rem;
    padding: 3.2vh 0 3.2vh;
    align-items: start;              
  }

  .project > header   { 
    grid-area: title;  
    margin: 0; 
    align-items: center;        
    align-self: center; }
  .project > .tools   { grid-area: tools;  align-self: start; }
  .project > .summary { grid-area: desc;   align-self: start; }
  .project > .preview { grid-area: preview; display: grid; place-items: center; }

  .project a header h3 { font-size: var(--text-18); }
  .project a p         { font-size: var(--text-16); line-height: 1.48; }
  .project .tools li   { font-size: var(--text-12); }

  .project a:hover{
    background-image: none;
  }

.exp ul{
        max-width: 92%;
}
 dl{
   max-width: 100%;
   margin-inline-start: 0.6vw;
}
/*PROJECT PAGE*/
main.project_page > article > header {
    margin-top: 0;
        margin-bottom: 8vh;
}
.project_page header h1{
       margin: 8vh 0 6.2vh; 
}

.project_page .short_description h2 {
  font-size: var(--text-32);
        line-height: 1.58;
    margin: 0 0 8.6vh;
}
.project_page  dt{
    font-size: var(--text-18);
}
.project_page dd{
font-size: var(--text-22);
}

.visuals figure > .vis.vis_palette{
     align-items: stretch;
    max-width: fit-content;
flex-direction: column;
}
.visuals figure > .vis.vis_palette .color_tag{
    margin-right: 0;
    margin-bottom: 1vh;
}

.project_page .finish_line p{
            font-size: var(--text-26);
        line-height: 1.62;
}
}

@media (max-width: 480px) { 
header {
  margin: 6.2vh 4vw;
  }
.hero,
.intro,
.skill,
.projects,
.exp.dev,
.exp.design {
  padding: 0 6.2vw;
}
section{
        margin-bottom: 16.6vh;
}
header{
    flex-wrap: wrap;
}
.logo{
        font-size: 4.8vh;
}
.logo span.square_black {
    padding: 0.18rem 0.14rem;
    }
header .nav_social_link{
    margin-top: 2.48vh;
    font-size: var(--text-12);
}    
header .nav_social_link a{
    margin-right: 2.8vw;
}   
nav.nav_projects {
  left: -6.2vw;
}
.hero h1 {
margin: 10.2vh 0 8.2vh;
      font-size: var(--text-32);
    }
 .hero h2 {
    font-size: var(--text-24);
 }   
.hero_btn {
    margin-top: 6.2vh;
}
.hero_btn a {
    margin-right: 4.2vw;
    font-size: var(--text-16);
}
.intro_text h2 {
    font-size: var(--text-32);
}
.intro_text p {
    font-size: var(--text-18);
    line-height: 142%;
}
.skill {
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 2.4rem;
}
.skill_tool h3 {
        font-size: var(--text-22);
}
.skill_tool li {
    font-size: var(--text-22);
    line-height: 1.52;
}
.project a{
    grid-template-columns: minmax(0, 1fr);
grid-template-areas:
  "title"
  "tools"
  "desc"
  "preview";
}
.project a p {
        font-size: var(--text-18);
        line-height: 1.48;
 }
.project a header h3 {
    font-size: var(--text-26);
     }
.project .tools li {
   font-size: var(--text-14);
   padding: 0.38rem 0.62rem;
   font-weight: 500;
   letter-spacing: 1px;
   margin-bottom: 1vh;
     }
.exp header a{
        margin-top: 1.2vh;
}
     .exp h2 {
    font-size: var(--text-22);
    line-height: 134%;
     }
     .exp h4 {
    font-size: var(--text-24);
    margin-bottom: 2.8vh;
    line-height: 1.32;
     }
.exp li {
    font-size: var(--text-18);
    line-height: 1.42;
}
.exp.design h4 {
    margin: 2.4vh 0vh;
}
dt{
    font-size: var(--text-12);
    font-weight: 500;
    line-height: 2.4;
    padding-inline-start: 0.8em; 
}
dd{
  font-size: var(--text-18);
}
footer .footer_site{
    flex-direction: column;
    align-items: flex-start;
   
}

footer .logo {
    font-size: 5.2vh;
    margin-bottom: 2.8vh;
}
footer .nav_social_link{
    margin-top: 1.6vh;
}

/*PROJECT PAGE*/
     .project_page ul {
        margin: 1vh 0;
        }
     .project_page .short_description h2 {
        font-size: var(--text-18);
        line-height: 1.48;
         }
    .project_page dt {
        font-size: var(--text-10);
        }
    .project_page dd {
        font-size: var(--text-16);
        margin-top: 1.8vh;
        margin-bottom: 5.4vh;        
        line-height: 1.68;
        }

    .project_page  .visual_presentation h2{
        font-size: var(--text-12);
        }
    .visuals img {
        max-height: 10.8rem;
        }
    figcaption {
        font-size: var(--text-12);
        }
    .project_page .finish_line p {
        font-size: var(--text-16);
        line-height: 1.62;
       }
}