@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed&family=Bellefair&display=swap');

body {
    box-sizing: border-box;
    background: url(../assets/technology/background-technology-desktop.jpg) no-repeat center;
    font-family: var(--barlow);
}

* {
    margin: 0;
    font-family: var(--barlow);
}

:root {
    --dark-blue: #0B0D17;
    --light-blue: #D0D6F9;
    --white: #FFFFFF;
    --heading1: 150px;
    --heading2: 100px;
    --heading3: 56px;
    --heading4: 32px;
    --heading5: 28px;
    --sub-heading1: 28px;
    --sub-heading2: 14px;
    --nav-text: 16px;
    --body-text: 18px;
    --barlow: 'Barlow Condensed', sans-serif;
    --bellefair: 'Bellefair', serif;
}

nav {
    display: flex;
    align-items: center;
    padding: 60px 0 40px 90px;
    font-size: var(--nav-text);
    letter-spacing: 2.7px;
    position: relative;
}

hr {
    width: 29.5%;
    border-style: none;
    border-top-style: solid;
    border-color: #979797;
    position: absolute;
    left: 200px;
    opacity: 0.3;
}

.nav-tabs {
    background-color: rgba(151, 151, 151, 0.3);
    width: 53%;
    padding: 25px 0px 25px 60px;
    position: absolute;
    right: 0;
    text-transform: uppercase;
}

.nav-tabs li {
    list-style-type: none;
    display: inline-block;
    padding: 0 0 0 25px;
}

.nav-tabs a {
    text-decoration: none;
    color: var(--white);
}

.nav-tabs .active {
    border-bottom: 2px solid var(--white);
    padding-bottom: 25px;
}

.nav-tabs a:active {
    border-bottom: 2px solid var(--white);
    padding-bottom: 25px;
}

.nav-tabs a:hover {
    border-bottom: 2px solid rgba(255, 255, 255, 0.5);
    padding-bottom: 25px;
}

span {
    color: #979797;
    padding-right: 1em;
}

h5 {
    color: var(--white);
    font-size: var(--heading5);
    letter-spacing: 4.75px;
    text-transform: uppercase;
    margin-left: 6em;
}

main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2em 1em 0 9em;
    margin: 0;
}

.tech-btns {
    display: flex;
    flex-direction: column;
}

.tech-btns .active {
    background-color: rgb(255, 255, 255);
    border: none;
}

.tech-btns .active a {
    color: var(--dark-blue);
}

.tech-btns button {
    padding: 15px 25px;
    border-radius: 50%;
    background-color: inherit;
    border-color: rgba(255, 255, 255, 0.5);
    font-family: var(--bellefair);
    font-size: var(--heading4);
    margin: 10px 0 ;
}

.tech-btns button:hover {
    border-color: var(--white);
}

.tech-btns button a {
    text-decoration: none;
    color: var(--white);
}

h4 {
    font-size: var(--nav-text);
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    padding-bottom: 0.5em;
    letter-spacing: 2.7px;
}

h3 {
    font-family: var(--bellefair);
    font-size: var(--heading3);
    color: var(--white);
    text-transform: uppercase;
    padding-bottom: 0.3em;
}

p {
    text-transform: none;
    width: 351px;
    font-size: var(--body-text);
    color: var(--light-blue);
    line-height: 1.4;
}