:root {
/* color */
    --color-primary: #151718;
    --color-secondary: #ededee;
    --color-accent-main: #53a9ff;
    --color-accent-sec: #1a3244;
    --color-card-header: #1b1d1e;
    --color-border: #2b2f30;
    --color-btn-head-hover: #26292a;
    --color-btn-foot: #697176;
    --color-btn-foot-hover: #9b9b9b;
    --color-badge: #9ae6b4;
    --color-badge-background: #2a3831;
    
/* font */
    --font-head: "Sora", system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-head-medium: 400;
    --font-head-semibold: 600;
    --font-p: "IBM Plex Sans", system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-p-medium: 500;
    --font-p-regular: 400;
    --font-p-300: 300;
    --font-size-head: 3rem;
    --font-size-head-card: 1.8rem;
    --font-size-btn: 1.6rem;
    --font-size-p: 2.2rem;
    --font-size-p-small: 1.8rem;
    --font-size-detail: 1.4rem;

/* radius */
    --border-radius: 1rem;
    --border-radius-max: 100%;

/* other */
    --transition: all 0.15s ease-in-out;
    --border: 1px #2b2f30 solid;
}

/* Typography & General */
html {
    font-size: 62.5%;
    color: var(--color-secondary);
    margin-top: 10rem;
    margin-bottom: 5rem;
    font-style: normal;
}

@media screen and (max-width: 720px) {
    html {
        margin-top: 6rem;
        margin-bottom: 3rem;
    }
}

body {
    background-color: var(--color-primary);
}

::selection {
    background-color: var(--color-accent-main);
    color: var(--color-primary);
}

* {
    -webkit-tap-highlight-color: transparent;
}





/* btn */
.btn {
    border: none;
    outline: none;
    background-color: transparent;
    border-radius: var(--border-radius);
    font-family: var(--font-p);
    font-weight: var(--font-p-regular);
    font-style: normal;
    padding: 1rem 1.5rem;
    transition: var(--transition);
    cursor: pointer;
    font-size: var(--font-size-btn);
    text-transform: capitalize;
    margin-left: 0.;
    margin-right: 0;
    text-decoration: none;
}

.btn-head {
    color: var(--color-secondary);
}

.btn-foot {
    color: var(--color-btn-foot);
    
}

.btn-head:hover {
    background-color: var(--color-btn-head-hover);
}

.btn-foot:hover {
    color: var(--color-btn-foot-hover);
}





/* img */
.img {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: var(--border-radius-max);

}





/* icon */
.ico-head {
    background-color: var(--color-btn-head-hover);
    padding: 1rem;
    font-size: 2rem;
    font-family: var(--font-head);
    border-radius: var(--border-radius-max);
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: default;

}





/* header */
.header {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    background-color: var(--color-card-header);
    border-bottom: var(--border);
    padding-bottom: 1rem;
    padding-top: 1rem;
    width: 100%;
    height: 4rem;
    position: fixed;
    top: 0;
}

.header-content {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    width: 56rem;
    margin-left: 2.6rem;
    margin-right: 4rem;
}

.header-btn {
    cursor: default;
}





/* main */
.main {
    display: flex;
    justify-content: center;
    align-items: center;
}

.main-sub {
    width: 56rem;
    display: flex;
    flex-direction: column;
    gap: 4rem;
    margin-left: 4rem;
    margin-right: 4rem;
}

.main-sub-sub {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}





/* text */
.h1-all {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

.h1-group {
    display: inline-block; /* 🔑 this is the key */
}

h1 {
    font-family: var(--font-head);
    text-transform: capitalize;
    font-weight: var(--font-head-semibold);
    font-size: var(--font-size-head);
    margin-bottom: 1rem;
}

.h1-line {
    height: 2px;
    background-color: var(--color-border);
    width: 100%; /* match parent width */
}

p {
    font-family: var(--font-p);
    font-weight: var(--font-p-300);
    font-size: var(--font-size-p);
    line-height: 1.5;
    margin-bottom: 0;
    margin-top: 0;
}

.p-small {
    font-size: var(--font-size-p-small);
}





/* card */
.cards {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 1rem;
}

.card {
    background-color: var(--color-card-header);
    border-radius: var(--border-radius);
    border: var(--border);
    padding: 2rem;
    color: var(--color-secondary);
    display: block;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}

.card:hover {
    scale: 1.02;
}

.card-social {
    display: flex;
    flex-direction: row;
    align-items: center;
}

h2 {
    margin: 0;
    margin-bottom: 1rem;
    font-family: var(--font-head);
    font-weight: var(--font-head-medium);
    font-size: var(--font-size-head-card);
}

.card-social h2 {
    margin-bottom: 0rem;
    margin-left: 3rem;
}

.card-detail {
    font-family: var(--font-head);
    font-weight: var(--font-p-300);
    font-size: var(--font-size-detail);
    color: var(--color-btn-foot);
    display: flex;
    flex-direction: row;
    align-items: center;
}

.card-detail-item-2 {
    width: 2px;
    height: 2px;
    background-color: var(--color-btn-foot);
    border-radius: var(--border-radius-max);
    margin-left: 10px;
    margin-right: 10px;
}





/* link */
.link {
    color: var(--color-accent-main);
    text-decoration: none;
}




/* footer */
.footer {
    margin-top: 10rem;
    display: flex;
    justify-content: space-between;
}





/* badge */
.badge-pack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    cursor: default;
}

.badge {
    font-family: var(--font-head);
    font-weight: var(--font-head-semibold);
    font-size: var(--font-size-detail);
    padding: 1rem;
    background-color: var(--color-accent-sec);
    color: var(--color-accent-main);
    border-radius: var(--border-radius);
    text-transform: capitalize;
}





/* logo */
.card img {
    width: 3rem;
}