style.css

@import './reset.css';
@import url('https://fonts.googleapis.com/css2?family=Montserrat&family=Poppins&display=swap');
:root {
    --primary-color: #ed008c;
    --primary-variant: #97045a;
    --secondary-color: #00adef;
    --on-primary: rgb(250, 250, 250);
    --on-background: rgb(66, 66, 66);
    --on-background-alt: rgb(66, 66, 66, 0.7);
    --background: rgb(255, 255, 255);
    --box-shadow: 0 5px 20px 1px rgba(0, 0, 0, 0.5);
}

[data-theme='dark'] {
    --primary-color: #00adef;
    --primary-variant: #36b6e9;
    --secondary-color: #bf00ef;
    --on-primary: #444;
    --on-background: rgba(255, 255, 255, 0.9);
    --on-background-alt: rgba(255, 255, 255, 0.7);
    --background: #121212;
}

html {
    scroll-behavior: smooth;
}

body {
    font-size: 1.3rem;
    display: flex;
    flex-direction: column;
    color: var(--on-background);
    font-family: Poppins, sans-serif;
    background: var(--background);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 90%;
    position: relative;
}

a {
    text-decoration: none;
    font-family: 'Poppins', sans-serif;
    color: var(--primary-color);
    cursor: pointer;
}

a:hover,
a:focus {
    color: var(--on-background);
}

p {
    font-family: Poppins, sans-serif;
    color: var(--on-background-alt);
}

h1,
h2 {
    font-family: Montserrat, sans-serif;
}

header {
    background: rgb(255 255 255 / 50%);
    padding: 1em;
    letter-spacing: 3px;
    width: 100%;
    border-bottom: 1px solid var(--on-background);
    /* position: fixed;
  z-index: 10; */
}

.nav-toggle {
    position: absolute;
    cursor: pointer;
    background: none;
    height: 3em;
    width: 3em;
    padding: 0;
    border: 0;
    outline: 1px solid transparent;
    transition: outline 0.3s ease;
    right: 0;
}

.nav-toggle:active {
    outline: 3px solid red;
}

.nav-toggle:focus,
.nav-toggle:hover {
    opacity: 0.7;
}

.hamburger {
    position: relative;
}

.hamburger:before,
.hamburger:after {
    content: '';
    display: block;
    margin: 0 auto;
    height: 3px;
    background: var(--on-background);
    transition: transform 0.3s ease;
    width: 70%;
}

.hamburger:before {
    transform: translateY(-6px);
}

.hamburger:after {
    transform: translateY(3px);
}

.header__left img {
    width: 25%;
}

.nav {
    visibility: hidden;
    margin-top: 1em;
    height: 0;
    position: absolute;
}

.nav--visible {
    height: auto;
    visibility: visible;
    position: relative;
}

.nav__item a {
    text-transform: capitalize;
}

.nav__item+.nav__item {
    margin-top: 1em;
}

section {
    padding: 1.5em 0;
    text-align: center;
}


/* .section-one {
  margin-top: 150px;
} */

.col {
    width: 100%;
    border: 1px solid var(--secondary-color);
    padding: 0.625em 1.25em;
    background: var(--background);
    box-shadow: var(--box-shadow);
}

.col p {
    margin-top: 0.625em;
    text-transform: capitalize;
    font-size: 1rem;
}

.col+.col {
    margin-top: 1.5em;
}

.section-three h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.7em;
}

.section-three p {
    font-size: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.75em 2em;
    border-radius: 0.625em;
    text-transform: uppercase;
    border: 1px solid var(--secondary-color);
    font-size: 1rem;
    margin-top: 1em;
    color: var(--on-background);
    transition: all 0.3s ease;
}

.btn:hover,
.btn:focus {
    border: 0;
    background: var(--secondary-color);
}

footer {
    border-top: 1px solid var(--on-background);
    background: var(--background);
    padding: 1.5em 0;
    text-align: center;
}

.footer__logo img {
    width: 40%;
}

.footer__logo p {
    font-size: 0.85rem;
    margin-bottom: 1.5em;
    color: var(--on-background-alt);
}

footer h2 {
    margin: 1em 0;
}

.footer__item {
    text-transform: capitalize;
    font-size: 1rem;
}

.footer__item+.footer__item {
    margin-top: 1em;
}

.desktop {
    display: none;
}

.mobile {
    font-size: 0.85rem;
    margin-top: 1.5em;
}

.theme-switch-wrapper {
    display: none;
}

main {
    position: relative;
}

@media screen and (min-width: 768px) {
    .row {
        display: flex;
        justify-content: space-between;
    }
    header .row {
        align-items: center;
    }
    .nav-toggle {
        display: none;
    }
    .header__left {
        display: flex;
        align-items: center;
        /* width: 100%; */
    }
    .header__left img {
        display: inline-block;
        width: 20%;
        margin-right: 1em;
    }
    .nav {
        visibility: visible;
        position: relative;
        margin: 0;
        height: auto;
    }
    .nav__list {
        display: flex;
        align-items: center;
    }
    .nav__item {
        font-size: 1rem;
    }
    .nav__item+.nav__item {
        margin: 0 0 0 1em;
    }
    .col+.col {
        margin: 0 0 0 2em;
    }
    .section-three {
        width: 100%;
    }
    .section-three h1 {
        font-size: 3rem;
    }
    .section-three p {
        font-size: 1.5rem;
        text-align: left;
    }
    .section-four img {
        width: 65%;
        box-shadow: var(--box-shadow);
    }
    .section-four .btn {
        align-self: center;
    }
    footer {
        text-align: left;
    }
    .desktop {
        display: block;
    }
    .mobile {
        display: none;
    }
    /* Dark Mode Toggle */
    .theme-switch-wrapper {
        display: flex;
        align-items: center;
        /* z-index: 100; */
        /* position: absolute; */
        /* width: 100%; */
        /* right: 25px;
    top: 30px; */
    }
    .theme-switch-wrapper span {
        margin-right: 10px;
        font-size: 0.85rem;
    }
    .toggle-text {
        position: relative;
        top: -4px;
        right: 5px;
        color: var(--on-background);
    }
    .theme-switch {
        display: inline-block;
        height: 34px;
        position: relative;
        width: 60px;
    }
    .theme-switch input {
        display: none;
    }
    .slider {
        background: #ccc;
        bottom: 0;
        cursor: pointer;
        left: 0;
        position: absolute;
        right: 0;
        top: 0;
        transition: 0.4s;
    }
    .slider::before {
        background: #fff;
        bottom: 4px;
        content: '';
        height: 26px;
        left: 4px;
        position: absolute;
        transition: 0.4s;
        width: 26px;
    }
    input:checked+.slider {
        background: var(--primary-color);
    }
    input:checked+.slider::before {
        transform: translateX(26px);
    }
    .slider.round {
        border-radius: 34px;
    }
    .slider.round::before {
        border-radius: 50%;
    }
    .fas {
        font-size: 30px;
        margin-right: 5px;
    }
}