:root {
    --bg-color: #1b1913;
    --text-color: #edecec;
    --hover-color:#d7d6d5; 
    --font-family: -apple-system,'Segoe UI','Open Sans', 'Helvetica Neue', sans-serif;
    --accent: #f54300;
}

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    text-decoration: none;
    list-style-type: none;
    font-family: var(--font-family);
}

.red {
    color: var(--accent);
    font-size: 18px;
    display: block;
    width: fit-content;
    padding: 10px 0;
}

.red:hover {
    opacity: 0.8;
}


.box {
    box-shadow: 0 0 1px 0.35px rgba(255, 255, 255, 0.06), 1px 2px 2px rgba(0, 0, 0, 0.25);
    border-radius: 5px;
}



body {
    width: 100%;   
    background-color: #14120B;
}

.container {
    max-width: 1340px;
    margin: 0 auto;
    padding-inline:20px;
}

/* header */

header {
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 1;
    background-color: #14120B;
}

nav {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    place-items: center;
    height: 3.4em;
    width: 100%;    
    color: var(--text-color); 
}

nav .logo {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3px;
    margin-right: 46px;
}

.logo span {
    font-size: 17px;
    font-weight: bold;
    font-family:'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}

.nav-menu .nav-links{
    display: flex;
    justify-content: center;
    align-items: center;
    padding-left: 20px;
}

.nav-menu li a, nav .btns a {
    font-size: 0.879rem;
}

.nav-links > li {
    padding: 15px;
    letter-spacing: 0.2px;
}

.nav-menu li a {
    color: var(--text-color);
}

.nav-menu li a:hover {
    color: var(--hover-color);
}

.dropdown {
    position: relative; 
}

.dropdown-menu {
    display: none;
    position:absolute;
    background-color: var(--bg-color);
    color: var(--text-color);
    width: 19em;
    top: 3.1em;
    left: -5px;
}

.dropdown-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    padding: 20px;
    gap: 16px;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.btn {
    padding: 5px 12px;
    border-radius: 30px;
}


nav .signin {
    border: 0.1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-color);
    background-color: var(--bg-color);
}
.download ,.btn{
    background-color: var(--text-color);
    border: 0.1px solid rgba(255, 255, 255, 0.3);
    color: var(--bg-color);
}

/* main */

main {
    padding-top: 5em;
}


/* hero section  */

.hero {
    height: auto;
    background-color: #14120B;
}

.hero .heading h2{
    color: var(--text-color);
    width: 23em;
    margin-bottom: 30px;
}

.hero .download {
    padding: 13px 20px;
    font-size: 17px;
}

.download:hover{
    background-color: rgb(209, 206, 206);
}

.hero .media-container {
    margin-top: 70px;
}

/* company-logo section */

.company-logos {
    margin: 70px auto;
    text-align: center;
    color: var(--text-color);
}
.company-logos h3 {
    margin-bottom: 40px;
    font-weight: lighter;
}

.company-logos .logos-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px ,1fr));
    place-items: center;
}

.logos-container .logo-child img{
    width: 6.5rem;
    height: 100px;
}

.logos-container .logo-child {
    background-color: var(--bg-color);
    padding: 0 25px;
    border-radius: 5px;
}


/* feature section */

.feature-container {
    background-color: var(--bg-color);
    display: flex;
    align-items: center;
    color: var(--text-color);
    font-size: 20px;
    line-height: 1.5;
    margin: 100px 0;
    padding: 10px 10px 4px 10px;
    border-radius: 5px;
    box-shadow: 0 0 1px 0.35px rgba(255, 255, 255, 0.06), 1px 2px 2px rgba(0, 0, 0, 0.25);
}

.feature-container .desc {
    padding: 0 50px;
}

.feature-container p {
    opacity: 0.7;
}

/* testimonial section */

.testimonials {
    color: var(--text-color);

}

.testimonials h2 {
    text-align: center;
    padding: 20px 0;
    font-size: 40px;
    margin-bottom: 30px;
    font-weight: 400;
}

.testimonials .card-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.testimonials .card{
    min-height: 250px;
    height: 275px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    line-height: 1.5;
    background-color: var(--bg-color);
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 0 1px 0.35px rgba(255, 255, 255, 0.06), 1px 2px 2px rgba(0, 0, 0, 0.25);
}

.testimonials .card .profile {
    display: flex;
    align-items: center;
    gap: 10px;
}

.testimonials .card .profile img{
   border-radius: 10px;
}

.testimonials .card .profile span {
    opacity: 0.7;
}

/* use-cases section  */

.use-cases {
    color: var(--text-color);
    margin-top: 10em;
    padding-bottom: 20px;
}

.use-cases .heading {
    padding-bottom: 3em;
}

.use-cases .heading h2 {
    font-weight: lighter;
    font-size: 28px;
}

.use-cases .case-container {
    display: flex;
    gap: 10px;
}

.case-card {
    background-color: var(--bg-color);
    padding: 15px;
    width: 430px;
}

.case-card .desc {
    line-height: 1.4;
}

.case-card .desc p{
    opacity: 0.7;
}

.case-card .desc h3{
    font-weight: 200;
}

.case-card .desc a {
    padding: 17px 0 12px 0;
}

.case-card .example-container {
    background-color: #423932;
    padding: 0 33px;
    border-radius: 5px;
    height: 400px;
    display: flex;
    justify-content: center;
    flex-direction: column;
}
.example-container .case-example {
    background-color: var(--bg-color);
    padding: 8px;
    border-radius: 7px;
    gap: 15px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    line-height: 2;
    width: 100%;
    font-size: small;
}

.opt .model-opt{
    opacity: 0.7;
}


.example-container .opt {
    padding: 10px 0;
    line-height: 2.5;
    font-size: 12.5px;
    color: #b3b3b2;
}

.case-card .code-gen {
    background-color: #3a3a3a;
}

.case-example .mark {
    margin-left: 14em;
}

/* changelog section  */

.changelog {
    color: var(--text-color);
    margin-top: 10em;
}

.changelog .heading {
    padding: 20px 0;
}

.changelog .log-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.changelog-card {
    padding: 10px 17px 20px 17px;
    background-color: var(--bg-color);
}

.changelog-card .date {
    opacity: 0.7;
    padding: 17px 0;
}
.changelog-card span{
    border: 0.1px solid rgba(255, 255, 255, 0.7);
    color: var(--text-color);
    padding: 3px 10px;
    border-radius: 12px;
}

.changelog-card .change-desc {
   width:80%;
}

.changelog a {
    color: var(--accent);
    font-size: 16px;
    display: block;
    padding: 30px 0;
}


/* about section */

.about {
    color: var(--text-color);
    margin-top: 100px;
}

.about img {
    margin-top: 20px;
}
.about h1 {
    width: 43%;
    font-weight: 400;
    font-size: 36px;
}

.about .btn {
    padding: 12px 17px;
}

.about div {
    margin: 30px 0;
}


/* highlight section  */

.highlights {
    color: var(--text-color);
    margin-top: 13em;
    background-color: var(--bg-color);
    padding-inline: 0;
    padding: 5em;
    max-width: 100%;
}

.highlights .highlights-container {
    display: flex;
    padding: 15px 0;
}
.highlights .side {
    flex-grow: 2;

}

.highlights .articles {
    flex-grow:3; 
    display: flex;
    flex-direction: column;
    gap: 10px;
    line-height: 1.4;
    font-size: 16px;
}
.highlights article {
    width: 65%;
    background-color: #201E18;
    padding: 18px;
}
.articles .desc {
    opacity: 0.7;
}

.articles .date {
    padding-top: 20px;
    opacity: 0.7;
}

.articles a {
    padding: 30px 0;
}

/* CTA section  */

.cta {
    color: var(--text-color);
    text-align: center;
    margin: 10em auto;
}

.cta h1 {
    font-size: 70px;
    margin-bottom: 30px;
    font-weight: 300;
}

.cta .download {
    padding: 13px 20px;
    font-size: 17px;
    border-radius: 25px;
}


/* footer */


footer {
    color: var(--text-color);
    line-height: 1.8;
    padding-top: 50px;
    background-color: var(--bg-color);
}

.links {

  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.links a {
      color: var(--text-color);
}

.end {
    display: flex;
    justify-content: space-between;
    padding: 6em 1em;
}

.end .toggles {
    display: flex;
    gap: 15px;
    align-items: center;
    transform: translate(-90%);
}

.end .theme {
    padding: 5px 15px 5px 20px;
    border-radius: 10px;
    letter-spacing: 10px;
    background-color: #26241E;
    border-radius: 35px;
}

footer p , .copyright, .theme{
    opacity: 0.7;
}

footer select {
    background-color: var(--bg-color);
    color: var(--text-color);
    outline: none;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    padding: 5px;
}