live-site/style.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
    /* colors */
    --clr-dark: 230 35% 7%;
    --clr-light: 231 77% 90%;
    --clr-white: 0 0% 100%;
    
    /* font-sizes */
    --fs-900: clamp(5rem, 8vw + 1rem, 9.375rem);
    --fs-800: 3.5rem;
    --fs-700: 1.5rem;
    --fs-600: 1rem;
    --fs-500: 1rem;
    --fs-400: 0.9375rem;
    --fs-300: 1rem;
    --fs-200: 0.875rem;
    
    /* font-families */
    --ff-serif: "Bellefair", serif;
    --ff-sans-cond: "Barlow Condensed", sans-serif;
    --ff-sans-normal: "Barlow", sans-serif;
}

@media (min-width: 35em) {
    :root {
        --fs-800: 5rem;
        --fs-700: 2.5rem;
        --fs-600: 1.5rem;
        --fs-500: 1.25rem;
        --fs-400: 1rem;
    }
}

@media (min-width: 45em) {
    :root {
        /* font-sizes */
        --fs-800: 6.25rem;
        --fs-700: 3.5rem;
        --fs-600: 2rem;
        --fs-500: 1.75rem;
        --fs-400: 1.125rem;
    }
}
/* ------------------- */
/* Reset               */
/* ------------------- */

/* https://piccalil.li/blog/a-modern-css-reset/ */

/* Box sizing */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* Reset margins */
body,
h1,
h2,
h3,
h4,
h5,
p,
figure,
picture {
    margin: 0; 
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
    font-weight: 400;
}

/* set up the body */
body {
    color: hsl( var(--clr-white) );
    font-family: var(--ff-sans-normal);
    font-size: var(--fs-400);    
    background-color: hsl( var(--clr-dark) );    
    display: flex;
    justify-content: center;
    align-items: center;
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

.background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 100vh;
    background-image: url('Assets/background.jpg');
    background-repeat: no repeat;
    background-position: bottom center;
    background-size: cover;
    z-index: -1;
    filter:blur(5px) saturate(100%) brightness(75%);
}

/* primary-header */

.primary-header {
    display: flex;
    padding: 20px 100px;
    position: fixed;
    top: 0;
    height: auto;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    z-index: 99;
} 

.logo {
    width: auto;
    height: 90px;
    margin: 1.5rem clamp(1.5rem, 5vw, 3.5rem);
    user-select: none;
}


.primary-navigation {
    --gap: clamp(1.5rem, 5vw, 3.5rem);
    --underline-gap: 2rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.primary-navigation a {
    text-decoration: none;
}

.primary-navigation a > span {
    font-weight: 700;
    margin-right: .5em;
}

.mobile-nav-toggle {
    display: none;
}

@media (max-width: 35rem) {
    .primary-navigation {
        --underline-gap: .5rem;
        position: fixed;
        z-index: 1000;
        inset: 0 0 0 30%;
        list-style: none;
        padding: min(20rem, 15vh) 2rem;
        margin: 0;
        flex-direction: column;
        transform: translateX(100%);
        transition: transform 500ms ease-in-out;
    }
    
    .primary-navigation[data-visible="true"] {
        transform: translateX(0);
    }
    
    .primary-navigation.underline-indicators > .active {
       border: 0;
    }
    
    .mobile-nav-toggle {
        display: block;
        position: absolute;
        z-index: 2000;
        right: 1rem;
        top: 2rem;
        background: transparent;
        background-image: url(icon-hamburger.svg);
        background-repeat: no-repeat;
        background-position: center;
        width: 1.5rem;
        aspect-ratio: 1;
        border: 0;
    }
    
    .mobile-nav-toggle[aria-expanded="true"] {
        background-image: url(icon-close.svg);
    }
    
    .mobile-nav-toggle:focus-visible {
        outline: 5px solid white;
        outline-offset: 5px;
    }
    
}

@media (min-width: 35em) {
    .primary-navigation {
        padding-inline: clamp(3rem, 7vw, 7rem);
    }
}

@media (min-width: 35em) and (max-width: 44.999em) {
    .primary-navigation a > span {
        display: none;
    }
}

@media (min-width: 45em) {
    
     .primary-header::after {
         content: '';
         display: block;
         position: relative;
         height: 1px;
         width: 100%;
         margin-right: -2.5rem;
         background: hsl( var(--clr-white) / .25);
         order: 1;
     }
     
    nav {
        order: 2;
    }
    
    .primary-navigation {
        margin-block: 2rem;
    }
    
   
}


.primary-navigation a {
    position: relative;
    align-self: flex-end;
    align-items: center;
    font-size: 1.1em;
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    margin-left: 40px;
    margin: 0.5rem;
    margin-inline-end: 0.5rem;
}

.primary-navigation a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 3px;
    background: #fff;
    border-radius: 5px;
    transform-origin: right;
    transform: scaleX(0);
    transition: transform .5s;
}

.primary-navigation a:hover::after {
    transform-origin: right;
    transform: scaleX(1);
}


.content {
    display: flex;
    justify-content: center;
    text-align: center;
    width: 700px;
    height: 50vh;
    margin: 0 auto;
}

.content p {
    font-size: 25px;
    color: #000000;
    height: auto;
}


footer {
    position: fixed;
    display: flex;
    bottom: 0;
    align-items: center;
    justify-content: center;
    z-index: 99;
    min-height: 10vh;
    overflow-x: hidden;
}


.social-buttons {
    display: flex;
    align-self: center;
    position: relative;
    align-items: center;
    bottom: 0;
    margin: 0 auto;
}

.social-buttons a {
    position: relative;
    display: inline-block;
    width: 45px;
    height: 45px;
    background: transparent;
    box-shadow: 0 4px 4px rgba(0, 0, 0, .3);
    margin: 0 8px;
    z-index: 1;
    text-align: center;
    line-height: 45px;
    transition: .3s;
}

.social-buttons a:hover{
    background: rgb(63, 9, 126);
    transform: rotate(135deg);
    box-shadow: 0 0 5px rgb(63, 9, 126), 0 0 10px rgb(63, 9, 126);
}

.social-buttons a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: #929498;
    z-index: -1;
}

.social-buttons a i {
    font-size: 18px;
    color: #000;
    transition: .3s;
}

.social-buttons a i:hover {
    transform: rotate(225deg);
    color: rgb(63, 9, 126);

}

/* ------------------- */
/* Utility classes     */
/* ------------------- */

/* general */

.flex {
    display: flex;
    gap: var(--gap, .5rem)
}

.grid {
    display: grid;
    gap: var(--gap, 1rem);
}

.d-block {
    display: block;
}

.flow > *:where(:not(:first-child)) {
    margin-top: var(--flow-space, 1rem);
}

.flow--space-small {
    --flow-space: .75rem;
}

.container {
    padding-inline: 2em;
    margin-inline: auto;
    max-width: 80rem;
}

.sr-only {
  position: absolute; 
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px; 
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap; /* added line */
  border: 0;
}

.skip-to-content {
    position: absolute;
    z-index: 9999;
    background: hsl( var(--clr-white) );
    color: hsl( var(--clr-dark) ); 
    padding: .5em 1em;
    margin-inline: auto;
    transform: translateY(-100%);
    transition: transform 250ms ease-in;
}

.skip-to-content:focus {
    transform: translateY(0);
}

.grid-container {
    text-align: center;
    display: grid;
    place-items: center;
    padding-inline: 1rem;
    padding-bottom: 4rem;
}

.grid-container p:not([class]) {
    max-width: 50ch;
}

img,
picture {
    max-width: 100%;
    display: block;
}