@import url('https://fonts.googleapis.com/css2?family=Onest:wght@100..900&display=swap');

*
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    color: var(--clr-light-text-low);
    font-family: "Onest", sans-serif;
    letter-spacing: .02rem;
}

:root
{
   --clr-black-light:#151512;
   --clr-black-dark:#111;

   --clr-light-text-low: #888;
   --clr-light-text-strong:#E8E4DC;

   --clr-main: #4ADE80;
   --clr-main-opacity-low: #4ADE8020;
   --clr-main-opacity-mid: #4ADE8050;

   --clr-frontend:#4ADE80;
   --clr-frontend-opacity-low:#4ADE8020;
   --clr-backend:#08F0FF;
   --clr-backend-opacity-low:#08F0FF20;
   --clr-data:#F472B6;
   --clr-data-opacity-low:#F472B620;
   --clr-devops:#FACC15;
   --clr-devops-opacity-low:#FACC1520;
}

.frontend{--group-color:var(--clr-frontend);--group-color-opacity-low:var(--clr-frontend-opacity-low)}
.backend{--group-color:var(--clr-backend);--group-color-opacity-low:var(--clr-backend-opacity-low)}
.data{--group-color:var(--clr-data);--group-color-opacity-low:var(--clr-data-opacity-low)}
.devops{--group-color:var(--clr-devops);--group-color-opacity-low:var(--clr-devops-opacity-low)}

/* ELEMENTS */
section{padding: 4rem;}
section h2.section-title{position: relative;color: var(--clr-light-text-strong); font-weight: 900; font-size: 2.5rem; margin-bottom: 2rem;}
section h2.section-title::before
{
    content: attr(section-title);
    position: absolute;
    top: 0;
    transform: translateY(-100%);
    font-size: 1rem;
    font-weight: 400;
    color:var(--clr-main);
}
p.annotation
{
    width: fit-content;
    margin-bottom: 1rem;
    color: var(--clr-main);
    letter-spacing: .1rem;
    font-size: .8rem;
}
.btn-main
{
    background: var(--clr-main);
    color: var(--clr-black-dark);
    border-radius: 5px;
    border: 1px solid var(--clr-main);
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    text-decoration: none;
    box-shadow: 0 10px 22px var(--clr-main-opacity-low);
    transition: .2s;
    cursor: pointer;
}
.btn-main>i{color:var(--clr-black-light); margin-right: 8px; opacity: .8; font-size: .85rem;}
.btn-main:hover{box-shadow: 0 5px 40px var(--clr-main-opacity-mid);}

.btn-secondary
{
    border-radius: 5px;
    border: 1px solid #ffffff20;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    text-decoration: none;
    transition: .2s;
    cursor: pointer;
}
.btn-secondary>i{margin-right: 8px; opacity: .8; font-size: .85rem; transition: .2s;}
.btn-secondary:hover{box-shadow: 0 5px 20px #ffffff10; color: var(--clr-light-text-strong)}
.btn-secondary:hover>i{color:var(--clr-light-text-strong);}
/* END ELEMENTS */

body
{
    width: 100vw;
    display: grid;
    grid-template-columns: 16vw 84vw;
    height: 100vh;
}

/* SIDEBAR */
aside
{
    background: linear-gradient(to right, var(--clr-black-light), var(--clr-black-dark));
    width: 100%;
    height: 100vh;
    padding: 4rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
aside>.intro{
    border-bottom: 1px solid #ffffff20;
    padding-bottom: 2rem;
}
aside>.intro>h2{color:var(--clr-light-text-strong); font-size: 1.75rem; font-weight: 900;}
aside>.intro>h2>b{color:var(--clr-main);}
aside>.intro>p{font-size: 1rem;}
aside>nav
{
    display: flex;
    flex-direction: column;
    gap: 6px;
}
aside>nav>a
{
    width: 100%;
    text-decoration: none;
    height: 40px;
    line-height: 40px;
    border-radius: 5px;
    padding: 0 14px;
    transition: .2s;
    display: flex;
    align-items: center;
}
aside>nav>a.active
{
    background: #ffffff20; 
    border-left: 3px solid var(--clr-main);
    color: var(--clr-main);
}
aside>nav>a.active>i{color:var(--clr-main);}
aside>nav>a:hover{background: #ffffff10; transform: translateX(2px);}
aside>nav>a>i{margin-right: 10px; font-size: 1.05rem;}

/* Find me */
aside .contact{
    display: flex;
    flex-direction: column;
    align-items: center;
    border-top: 1px solid #ffffff20;
    padding-top: 2rem;
}
.social-media
{
    display: flex;
    align-items: center;
    justify-content: center;
    gap:10px;
    margin-bottom: 1rem;
}
.social-media>.btn-secondary
{
    height: 35px;
    aspect-ratio: 1/1;
    padding: 0;

}
.social-media>.btn-secondary>i{margin-right: 0; font-size: 1rem;}


/* MAIN */
main
{
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(to bottom right, var(--clr-black-light), var(--clr-black-dark));

    border-left: 1px solid #ffffff20;
    box-shadow: 0 -3px 10px #00000030;
    overflow-y: scroll;
    scroll-behavior: smooth;
}


/* SECTION ABOUT */
#about
{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-gap: 4rem;
    align-items: center;
    height: 100vh;
}
#about>.intro-column,
#about>.skills-column
{
    position: relative;
    z-index: 1;
}
h1
{
    font-size: 10rem;
    line-height: 140px; 
    cursor: default;
    color: var(--clr-main); 
    text-shadow: 0 5px 22px var(--clr-main-opacity-low); 
    transition: .2s;
    margin-bottom: 2rem;
    font-weight: 900;
}
h1:hover{ text-shadow: 0 5px 22px var(--clr-main-opacity-mid);}
#about p.subtitle{
    line-height: 2rem;
    font-size: 1.1rem;
}
#about .social-media
{
    margin-top: 2rem;
    display: flex;
    justify-content: flex-start;
}
#about .actions
{
    display: flex;
    gap:10px;
    margin-top: 1rem;
}

#about>.skills-column
{
    display: grid;
    grid-template-columns: repeat(2,1fr);
    grid-gap: 20px;
}
#about>.skills-column>.skill-group
{
    border: 1px solid #ffffff15;
    border-radius: 5px;
    background: linear-gradient(to bottom, var(--clr-black-light), var(--clr-black-dark));
    padding: 1rem;
    transition: .2s;
}
#about>.skills-column>.skill-group:hover{
    border: 1px solid #ffffff30;
    box-shadow: 0 5px 10px #ffffff10;
}
#about>.skills-column>.skill-group>.icon
{
    width: 40px;
    aspect-ratio: 1/1;
    border: 1px solid var(--group-color);
    background: var(--group-color-opacity-low);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}
#about>.skills-column>.skill-group>.icon>i{
    color: var(--group-color);
}
#about>.skills-column>.skill-group>h3{color: var(--clr-light-text-strong); margin-bottom: .5rem; font-weight: 400;}
.technologies
{
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.technologies>p
{
    border: 1px solid #ffffff20; 
    border-radius: 5px; 
    padding: 2px 6px; 
    font-size: .9rem;
    transition: .2s;
    cursor: default;
}

.technologies>p:hover,
.technologies>p.active
{
    border: 1px solid var(--group-color);
    background: var(--group-color-opacity-low);
    color: var(--group-color);
}


/* Experience */
.filters-title
{
    position: relative;
    width: 100%;
    text-align: center;
    margin: 4rem 0;
    font-weight: 300;
    color:var(--clr-main);
    color: var(--clr-light-text-low);
    font-size: .8rem;
    letter-spacing: .06rem;
    text-transform: uppercase;
}
.filters-title::before
{
    content: '';
    position: absolute;
    bottom: -.75rem;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 1px;
    background: #ffffff25;
    border-radius: 5px;
}
.filters
{
    display: grid;
    grid-template-columns: repeat(4,1fr);
    grid-gap: 2rem;
    margin-bottom: 2rem;
}
.filters>.skill-group
{
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 4rem 0 2rem 0;
    gap:8px;
}
.filters>.skill-group>p.overlay
{
    position: absolute;
    text-transform: uppercase;
    font-size: 12rem;
    font-weight: 900;
    top:50%;
    transform: translateY(-50%);
    left:0;
    color:transparent;
    -webkit-text-stroke: 1px var(--group-color-opacity-low);
    text-shadow: 0 0 100px var(--group-color-opacity-low);
    opacity: .9;
    pointer-events: none;
    user-select: none;
}
.filters>.skill-group::after
{
    content: attr(group-title);
    position: absolute;
    top:1rem;
    text-transform:capitalize;
    color:var(--clr-light-text-strong);
}
.filters>.skill-group:not(:last-child)::before
{
    content: '';
    position: absolute;
    right: -1rem;
    top:0;
    height: 100%;
    width: 1px;
    background: #ffffff30;
}
.filters>.skill-group>.checkbox-box
{
    position: relative;
    height: 30px;
    padding: 0 10px;
    border-radius: 15px;
    border: 1px solid #ffffff20;
    transition: .2s;

    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}
.filters>.skill-group>.checkbox-box>input
{
    appearance: none;
    position: absolute;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.filters>.skill-group>.checkbox-box:has(input:hover){box-shadow: 0 0 16px var(--group-color-opacity-low);}
.filters>.skill-group>.checkbox-box:has(input:hover) p {color:var(--clr-light-text-strong)}

.filters>.skill-group>.checkbox-box:has(input:checked)
{
    border: 1px solid var(--group-color);
    background: var(--group-color-opacity-low);
}
.filters>.skill-group>.checkbox-box:has(input:checked) p {color:var(--group-color)}

.experiences-list
{
    position: relative;
    display: grid;
    grid-template-columns: repeat(3,1fr);
    grid-gap: 20px;
    min-height: 25vh;
}
.experiences-list>span.no-experiences
{
    display: none;
    position: absolute;
    top:50%;
    left:50%;
    transform: translate(-50%, -50%);
}
.experiences-list>.experience
{
    border: 1px solid #ffffff20;
    border-radius: 5px;
    padding: 1rem;
}
.experiences-list>.experience>h3{color: var(--clr-light-text-strong); margin-bottom: .25rem;}
.experiences-list>.experience>h3>b{color: var(--clr-main); font-size: 1.6rem;}
.experiences-list>.experience>.experience-date{display: block; font-size: .75rem; margin-bottom: .8rem; opacity: .9;}
.experiences-list>.experience>.experience-modality{display: flex; align-items: center; gap: 5px; font-size: .75rem; margin-bottom: .75rem; opacity: .9;}
.experiences-list>.experience>.experience-modality>i{font-size: .7rem;}
.experiences-list>.experience>.technologies{margin-bottom: 1rem;}

@keyframes exp-exit {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(-16px); }
}
@keyframes exp-enter {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.exp-hiding { animation: exp-exit .2s ease forwards; }
.exp-showing { animation: exp-enter .2s ease forwards; }

@keyframes span-exp-exit {
    from { opacity: 1; transform: translate(-50%, -50%); }
    to   { opacity: 0; transform: translate(-50%, calc(- 16px - 50%)); }
}
@keyframes span-exp-enter {
    from { opacity: 0; transform: translate(-50%, calc(16px - 50%));; }
    to   { opacity: 1; transform: translate(-50%, -50%); }
}
span.exp-hiding { animation: span-exp-exit .2s ease forwards; }
span.exp-showing { animation: span-exp-enter .2s ease forwards; }

/* Projects */
.projects-list
{
    position: relative;
    display: grid;
    grid-template-columns: repeat(3,1fr);
    grid-gap: 20px;
    min-height: 25vh;
}
.projects-list>span.no-results
{
    display: none;
    position: absolute;
    top:50%;
    left:50%;
    transform: translate(-50%, -50%);
}
.projects-list>.project
{
    border: 1px solid #ffffff20;
    border-radius: 5px;
    padding: 1rem;

    display: flex;
    flex-direction: column;
}
.projects-list>.project>h3{color: var(--clr-light-text-strong); margin-bottom: .25rem;}
.projects-list>.project>h3>b{color: var(--clr-main); font-size: 1.6rem;}
.projects-list>.project>.project-type{display: flex; align-items: center; gap: 5px; font-size: .75rem; margin-bottom: .75rem; opacity: .9;}
.projects-list>.project>.project-type>i{font-size: .7rem;}
.projects-list>.project>p{margin-bottom: 2rem;}
.project-link{margin-top: auto; height: 34px; padding: 0 12px; font-size: 1rem; width: fit-content; align-self: end;}
.project-link>i{font-size: .9rem;}
.projects-list>.project>.technologies{margin-bottom: 1rem;}

/* Studies */
#studies .grid
{
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-gap: 4rem;
    align-items: start;
}
.studies
{
    display: flex;
    flex-direction: column;
    gap: 0;
}
.study
{
    padding: 1.25rem 0;
    border-bottom: 1px solid #ffffff10;
    display: grid;
    grid-template-columns: 50px 1fr;
    column-gap: 1.25rem;
    align-items: center;
}
.study:nth-child(2) { border-top: 1px solid #ffffff10; }
.study>.study-icon
{
    width: 44px;
    aspect-ratio: 1/1;
    border: 1px solid var(--group-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--group-color-opacity-low);
    margin-top: .1rem;
}
.study>.study-icon>i { color: var(--group-color); font-size: 1rem; }
.study>.study-content { display: flex; flex-direction: column; }
.study>.study-content>.study-year { font-size: .8rem; opacity: .75; margin-bottom: .2rem; }
.study>.study-content>h3 { color: var(--clr-light-text-strong); font-weight: 500; margin-bottom: .2rem; }
.study>.study-content>p  { font-size: .85rem; }
.study>.study-content>.study-description { font-size: 1rem; opacity: 1; margin-top: .3rem; line-height: 1.4rem; }

.languages
{
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    gap: 0;
    height: 100%;
    border-left: 1px solid #ffffff15;
    border-radius: 5px;
    overflow: hidden;
    padding-left: 2rem;
}
.language
{
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    padding: .85rem 1rem;
}
.language:last-child { border-bottom: none; }
.language-name { color: var(--clr-light-text-strong); font-size: 1.1rem; font-weight: 400;}
.language-level { font-size: .9rem; opacity: .7; color:var(--clr-main); font-weight: 300;}

.bar
{
    position: relative;
    width: 100%;
    height: 10px;
    border: 2px solid #ffffff20;
    border-radius: 5px;
}
.bar::before
{
    content: '';
    position: absolute;
    width: 0;
    height: 100%;
    background: var(--clr-main);
    border-top-right-radius: 3px;
    border-bottom-right-radius: 3px;
    transition: width .9s ease;
    transition-delay: .5s;
}
.bar.animated::before { width: var(--bar-width); }

/* CONTACT */
#contact h3{color: var(--clr-light-text-strong); font-weight: 500;}
#contact p {width: 35%; margin-bottom: .5rem; line-height: 1.8rem;}
#contact .actions { display: flex; gap: 10px;margin-top: 2rem;}

/* ===================================================
   RESPONSIVE
   =================================================== */

/* ---- Small laptop ---- */
@media (max-width: 1400px) {
    h1{font-size: 8rem; line-height: 120px; }
    #about>.skills-column{grid-gap: 10px;}
}
@media (max-width: 1200px) {
    h1{font-size: 6rem; line-height: 100px;}
    #about>.skills-column{grid-template-columns: repeat(1, 1fr);}
}
/* ---- Tablet & Mobile: sidebar → bottom nav ---- */
@media (max-width: 1024px)
{
    body { grid-template-columns: 1fr; }

    aside
    {
        position: fixed;
        bottom: 0; left: 0;
        z-index: 100;
        width: 100%;
        height: auto;
        padding: 0;
        flex-direction: row;
        background: var(--clr-black-dark);
        border-top: 1px solid #ffffff20;
        box-shadow: 0 -4px 20px #00000060;
    }
    aside>.intro  { display: none; }
    aside>.contact { display: none; }
    aside>nav
    {
        flex-direction: row;
        width: 100%;
        padding: .5rem 1rem;
        justify-content: space-around;
        gap: 0;
    }
    aside>nav>a
    {
        flex-direction: column;
        width: auto;
        height: auto;
        line-height: normal;
        padding: .4rem .75rem;
        gap: 4px;
        font-size: .65rem;
        letter-spacing: 0;
    }
    aside>nav>a>i { margin-right: 0; }
    aside>nav>a:hover { transform: none; }
    aside>nav>a.active
    {
        border-left: none;
        background: #ffffff15;
        color: var(--clr-main);
    }

    main { border-left: none; padding-bottom: 72px; }

    h1 { font-size: clamp(3.5rem, 7vw, 7rem); line-height: 1.05; }

    #about
    {
        grid-template-columns: 1fr;
        height: auto;
        min-height: calc(100vh - 72px);
        align-items: start;
        padding-top: 4rem;
    }
    
    #about>.skills-column{grid-template-columns: repeat(2, 1fr); grid-gap: 20px;}
    .experiences-list,
    .projects-list { grid-template-columns: repeat(2, 1fr); }

    .filters
    {
        grid-template-columns: repeat(2, 1fr);
        grid-gap: 1.5rem;
    }
    .filters>.skill-group:not(:nth-child(2n+1))::before { display: none; }

    #studies .grid { grid-template-columns: 1fr; gap: 3rem; }
    .languages
    {
        border-left: none;
        border-top: 1px solid #ffffff15;
        padding-left: 0;
        padding-top: 2rem;
        height: auto;
    }

    #contact p { width: 60%; }
}

/* ---- Mobile ---- */
@media (max-width: 640px)
{
    section { padding: 2rem; }
    #about { padding-top: 2.5rem; }
    #about .social-media{justify-content: center;}
    #about .actions {flex-direction: column;}
    #about>.skills-column{grid-template-columns: repeat(1, 1fr); grid-gap: 10px;}

    h1 { font-size: 3.5rem; }

    aside>nav>a { font-size: 0; padding: .75rem; gap: 0; }
    aside>nav>a>i { font-size: 1.15rem; }

    .experiences-list,
    .projects-list { grid-template-columns: 1fr; }

    .filters { grid-gap: .75rem; grid-template-columns: repeat(1, 1fr);}
    .filters>.skill-group { padding: 2rem 0 1rem; }
    
    .filters>.skill-group:not(:last-child)::before
    {
        display: block;
        width: 100%;
        height: 1px;
        right: unset;
        top:unset;
        bottom: 0;
        opacity: .5;
    }
    .filters>.skill-group::after {top:0rem}
    .filters-title { margin: 2rem 0; }
    .filters .overlay{display: none;}

    .study{grid-template-columns: repeat(1, 1fr); padding: 2rem 0; grid-gap: 20px;}
    
    #contact p { width: 100%; }
    #contact .actions {flex-direction: column;}
}