:root{
    --clr-main: #00a130;
    --cls-mainclear: #046d24;
    --clr-white: #fff;
    --clr-back: #000000;
    --cls-grey: #969696;
    --cls-darkGrey: #252525;
}

*{
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    box-sizing: border-box;
}

html{
    scroll-behavior: smooth;
}

body{
    background: var(--clr-back);
    color: var(--clr-white);
}

#header{
    width: 100%;
    height: 100vh;
    background-image: url(img/background-.jpg);
    background-size: cover;
    background-position: center;
}

.container{
    padding: 10px 10%;
}

nav{
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.logo{
    width: 140px;
}

nav ul li{
    display: inline-block;
    list-style: none;
    margin: 10px 20px;
}

nav ul li a{
    color: var(--clr-white);
    text-decoration: none;
    font-size: 18px;
    position: relative;
}

nav ul li a::after{
    content: '';
    width: 0%;
    height: 3px;
    background: var(--clr-main);
    position: absolute;
    left: 0;
    bottom: -6px;
    transition: 0.5s;
}

nav ul li a:hover::after{
    width: 100%;
}

.header-text{
    margin-top: 20%;
    font-size: 40px;
}

.header-text h1{
    font-size: 80px;
    margin-top: 20px;
}

.header-text h1 span{
    color: var(--clr-main);
}

/* CLASES TO MODIFY WITH JS */
#floatingMenuBtn {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background-color: #111;
  color: #fff;
  border: none;
  padding: 10px 15px;
  font-size: 18px;
  border-radius: 5px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.menu-open {
    right: 0;
    background: var(--cls-mainclear);
    z-index: 2;
    position: fixed;
    border-top-left-radius: 30px;
    border-bottom-left-radius: 30px;
    top: 10px;
    width: 160px;
    height: min-content;
    padding-top: 15px;
    transition: right 0.5s;
    padding-bottom: 22px;
}

/* ABOUT SECTION */
#about{
    padding: 80px 0;
    color: var(--cls-grey);
}

.row{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.about-col-1{
    flex-basis: 35%;
}

.about-col-1 img{
    width: 100%;
    border-radius: 15px;
}

.about-col-2{
    flex-basis: 60%;
}

.sub-title{
    margin-bottom: 10px;
    font-size: 60px;
    font-weight: 600;
    color: var(--clr-white);
}

.about-col-2 .about-parr{
    margin-top: 30px;
    text-align: justify;
}

.tab-titles{
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 40px 0 30px 0;
}

.tab-links{
    margin-right: 50px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
}

.tab-links::after{
    content: '';
    width: 0;
    height: 3px;
    background: var(--clr-main);
    position: absolute;
    left: 0;
    bottom: -8px;
    transition: 0.5s;
}

.tab-links.active-link::after{
    width: 100%;
}

.tab-contents ul li{
    list-style: none;
    margin: 10px 0;
}

.tab-contents ul li span{
    color: var(--cls-mainclear);
    font-size: 14px;
}

.tab-contents{
    display: none;
}

.tab-contents.active-tab{
  display: flex;
  border-style: solid;
  border-color: #046d24;
  border-radius: 20px;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  padding: 1rem;
  box-sizing: border-box;
}

.boxes-inside {
  flex: 0 1 220px;
  background-color: var(--clr-back);
  border-radius: 8px;
  box-sizing: border-box;
  padding: 1rem;
}

@media (max-width: 600px) {
  .boxes-inside {
    flex: 1 1 100%;             /* cada caja toma todo el ancho */
  }
}

/* CERTIFIATIONS */
#certification-section{
    padding: 30px 0;
}

.certification-list{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: 40px;
    margin-top: 50px;
}

.certification-list div{
    background: var(--cls-darkGrey);
    padding: 40px;
    font-size: 13px;
    font-weight: 300;
    border-radius: 10px;
}

.cert-box{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.cert-box div{
    padding: 0px;
}

.certification-list div i{
    font-size: 50px;
    margin-bottom: 30px;
}

.certification-list div h2{
    font-size: 25px;
    font-weight: 500;
    margin-bottom: 15px;
}

.certification-list div p{
    font-size: 15px;
    font-weight: 200;
    margin-bottom: 15px;
}

/* RESUME */
#resume-section{
    padding: 30px 0;
}

.resume-list{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: 40px;
    margin-top: 50px;
}

.resume-list div{
    background: var(--cls-darkGrey);
    padding: 40px;
    font-size: 13px;
    font-weight: 300;
    border-radius: 10px;
    transition: background 0.5s, transform 0.5s;
}

.resume-list div i{
    font-size: 50px;
    margin-bottom: 30px;
}

.resume-list div h2{
    font-size: 30px;
    font-weight: 500;
    margin-bottom: 15px;
}

.resume-list div a{
    text-decoration: none;
    color: var(--clr-white);
    font-size: 12px;
    margin-top: 20px;
    display: block;
    text-align: right;
}

.resume-list div:hover{
    background: var(--clr-main);
    transform: translateY(-10px);
}

/* PORTFOLIO */
#portfolio-section{
    padding: 50px 0;
}

.portfolio-list{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: 40px;
    margin-top: 20px;
    margin-bottom: 20px;
}

.proyects{
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.proyects img{
    width: 100%;
    border-radius: 10px;
    display: block;
    transition: transform 0.5s;
}

.automation-img{
    width: 100%;
    border-radius: 10px;
    display: block;
}

.layer{
    width: 100%;
    height: 0;
    background: linear-gradient(rgba(0,0,0,0.6), var(--clr-main));
    border-radius: 10px;
    position: absolute;
    left: 0;
    bottom: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 40px;
    text-align: center;
    font-size: 14px;
    transition: height 0.5s;
}

.layer h3{
    font-weight: 500;
    margin-bottom: 20px;
}

.layer a{
    margin-top: 20px;
    color: var(--clr-main);
    text-decoration: none;
    font-size: 18px;
    line-height: 60px;
    background: var(--clr-white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
}

.proyects:hover img{
    transform: scale(1.1);
}

.proyects:hover .layer{
    height: 100%;
}

.btn{
    display: block;
    margin: 60px auto 20px;
    width: fit-content;
    border: 1px solid var(--clr-main);
    padding: 14px 50px;
    border-radius: 6px;
    text-decoration: none;
    color: var(--clr-white);
    transition: background 0.5s;
}

.btn.middle-box-btn{
    margin: 29px auto 20px;
}

.btn:hover{
    background: var(--clr-main);
}

/* CONTACT */
.contact-left{
    flex-basis: 35%;
}

.contact-right{
    flex-basis: 60%;
}

.contact-left p{
    margin-top: 30px;
}

.contact-left p i{
    color: var(--cls-mainclear);
    margin-right: 15px;
    font-size: 25px;
}

.social-icons{
    margin-top: 30px;
}

.social-icons a{
    text-decoration: none;
    font-size: 30px;
    margin-right: 15px;
    color: var(--cls-grey);
    display: inline-block;
    transition: transform 0.5s;
}

.social-icons a:hover{
    color: var(--clr-main);
    transform: translateY(-5px);
}

.btn.btn2{
    display: inline-block;
    background: var(--clr-main);
}

.contact-right form{
    width: 100%;
}

form input, form textarea{
    width: 100%;
    border: 0;
    outline: none;
    background: var(--cls-darkGrey);
    padding: 15px;
    margin: 15px 0;
    color: var(--clr-white);
    font-size: 18px;
    border-radius: 6px;
}

form .btn2{
    padding: 14px 60px;
    font-size: 18px;
    margin-top: 20px;
    cursor: pointer;
}

.copyright{
    width: 100%;
    text-align: left;
    padding: 10px 0;
    background: var(--cls-darkGrey);
    font-weight: 100;
    margin-top: 30px;
}

nav .fa-solid{
    display: none;
}

#closeBtn {
    font-size: large;
    margin-left: 100px;
    padding: 5px 20px 3px 20px;
}

#closeHmrgBtn {
    display: none;
}

/* CSS FOR SMALL SCREEN */
@media only screen and (max-width: 600px){
    #header{
        background-image: url(img/phone-background.jpg);
    }
    .header-text{
        margin-top: 35%;
        font-size: 16px;
    }
    .header-text h1{
        font-size: 30px;
    }

    #closeBtn {
    font-size: large;
    margin-left: 80px;
    padding: 5px 20px 3px 20px;
    }

    /*#closeHmrgBtn {
        display: block;
    }*/

    nav .fa-solid{
        display: block;
        font-size: 25px;
    }

    /*nav ul{                                           
        background: var(--cls-mainclear);
        z-index: 2;
        position: fixed;
        border-top-left-radius: 30px;
        border-bottom-left-radius: 30px;
        top: 0;
        right: -200px;
        width: 200px;
        height: 45vh;
        padding-top: 50px;
        transition: right 0.5s;
    }

    nav ul {
        right: 0;
        background: var(--cls-mainclear);
        z-index: 2;
        position: fixed;
        border-top-left-radius: 30px;
        border-bottom-left-radius: 30px;
        top: 0;
        width: 160px;
        height: 35vh;
        padding-top: 15px;
        transition: right 0.5s;
    }*/
    
    nav ul li{
        display: block;
        margin: 25px;
    }
    nav ul .fa-solid{
        position: absolute;
        top: 25px;
        left: 25px;
        cursor: pointer;
    }
    .sub-title{
        font-size: 40px;
    }
    .about-col-1, .about-col-2{
        flex-basis: 100%;
    }
    .about-col-1{
        margin-bottom: 30px;
    }
    .about-col-2{
        font-size: 14px;
        width: 100%;
    }
    .tab-links{
        font-size: 16px;
        margin-right: 20px;
        margin-right: 70%;
    }
    .tab-titles{
        display: block;
        justify-content: space-around;
    }
    .tab-titles p{
    padding: 12px 0;
    }
    .tab-links::after{
        content: '';
        width: 0;
        height: 3px;
        position: absolute;
        left: 0;
        bottom: 0;
        transition: 0.5s;
    }
    .tab-links.active-link::after{
        width: 100%;
    }
    .contact-left, .contact-right{
        flex-basis: 100%;
    }
    .copyright{
        font-size: 14px;
    }
}

/* CONTACT MESSAGE */
#msg{
    color: #006300;
    display: block;
}