style.css

/* Google Fonts */
@import url("https://fonts.googleapis.com/css2?family=Dancing+Script:wght@600&family=Lora:wght@500;600&family=Poppins:wght@400;500&display=swap");
@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@500&display=swap');

/* CSS Variables */
:root {

    --header-height: 4rem;

    /* Colors */
    --body-color: #191e26;
    --text-color: #fff;
    --title-color: #00b28a;
    --menu-shadow: rgba(255, 255, 255, 0.15);
    --subtitle: #b6b5b5;
    --title-color-alt: #53d1b615;
    /* --title-color-alt: ; */

    /* Fonts */
    --body-font: "Poppins", sans-serif;
    --title-font: "Lora", serif;
    --subtitle-font: "Roboto Mono", sans-serif;
    --biggest-font-size: 2.25rem;
    --h1-font-size: 1.5rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1rem;
    --normal-font-size: .938rem;
    --small-font-size: .813rem;
    --smaller-font-size: .75rem;

    /* Font Weight */
    --font-medium: 500;
    --font-semi-bold: 600;

    /* Z index */
    --z-tooltip: 10;
    --z-fixed: 100;
}

::selection {
    color: var(--text-color);
    background-color: var(--title-color);
}

@media screen and (min-width: 1024px) {
    :root {
        --biggest-font-size: 4rem;
        --h1-font-size: 2.25rem;
        --h2-font-size: 1.5rem;
        --h3-font-size: 1.25rem;
        --normal-font-size: 1rem;
        --small-font-size: .875rem;
        --smaller-font-size: .813rem;
    }
}

/* Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
    cursor: pointer;
    color: var(--text-color);
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--body-color);
    color: var(--text-color);
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
}

ul {
    list-style: none;
}

img {
    width: 100%;
    height: auto;
}

button {
    cursor: pointer;
}

/* Reusable CSS */
.container {
    max-width: 1024px;
    margin-inline: 1.5rem;
}

.grid {
    display: grid;
    gap: 1.5rem;
}

.section {
    padding-block: 5rem 1rem;
}

.section__title {
    font-size: var(--h1-font-size);
    margin-bottom: 1.5rem;
}

.section__subtitle {
    display: block;
    font-size: var(--h2-font-size);
    margin-bottom: .5rem;
}

.section__title,
.section__subtitle {
    text-align: center;
}

.main {
    overflow: hidden;
}



/* Header */
.header {
    width: 100%;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: inherit;
    background-color: var(--body-color);
}

.nav {
    max-width: 968px;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo,
.nav__toggle {
    color: var(--text-color);
    font-weight: var(--font-medium);
    letter-spacing: 1px;
    transition: all .3s;
}

.nav__logo {
    font-size: 23px;
}

.nav__logo span {
    color: var(--title-color);
}

.nav__logo:hover {
    color: var(--title-color);
}

.nav__toggle {
    font-size: 1.1rem;
    cursor: pointer;
}

.nav__toggle:hover {
    color: var(--title-color);
}

@media screen and (max-width: 768px) {
    .nav__menu {
        position: fixed;
        bottom: -100%;
        left: 0;
        width: 100%;
        background: none;
        backdrop-filter: blur(24px);
        padding: 1.5rem 5rem 2.5rem;
        box-shadow: 0 -2px 10px var(--menu-shadow);
        border-radius: 1.5rem 1.5rem 0 0;
        transition: all .3s;
    }
}

.nav__item a {
    transition: all .3s;
    font-size: 19px;
    letter-spacing: 3px;
}

.nav__item a:focus,
.nav__item a:hover {
    color: var(--title-color);
}

.nav__list {
    text-align: center;
    gap: 2rem;
}

.nav__close {
    position: absolute;
    right: 1.5rem;
    bottom: .75rem;
    font-size: 1.5rem;
    transition: all .3s;
}

.nav__close:hover,
.change__theme:hover {
    color: var(--title-color);
    cursor: pointer;
}

.nav__btns {
    display: flex;
    gap: 1.2rem;
}

.change__theme {
    font-size: 1.1rem;
    transition: all .3s;
}

/* Show Menu */
.show-menu {
    bottom: 0;
}


/* Home Section */
.home {
    padding: 5rem 2rem;
    text-align: center;
    width: 100%;
}


.home__subtitle {
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.home__subtitle span {
    color: var(--title-color);
    letter-spacing: 3px;
    font-size: 20px;
}

.home__title {
    font-size: 30px;
    letter-spacing: 5px;
}

.home__title {
    color: var(--title-color);
    font-weight: 800;
    margin-bottom: 40px;
}

.home_description {
    font-weight: 500;
    letter-spacing: 4px;
    font-size: 17px;
    margin-bottom: 45px;
}

.contact__buttons {
    margin-top: 60px;
    font-size: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
}

.contact__buttons a {
    background: var(--title-color);
    padding: 5px 10px;
    border-radius: 50%;
    text-align: center;
    font-size: 25px;
    transition: all .3s;
}

.contact__buttons a:hover {
    box-shadow: 0 3px 20px var(--title-color);
}



/* About Section */
.about {
    padding-bottom: 4rem;
    text-align: center;
}

.about__title {
    color: var(--title-color);
    font-size: 30px;
    letter-spacing: 5px;
}

.about__subtitle {
    color: var(--subtitle);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 1px;
}

.about__description {
    margin-top: 50px;
}



/* Contact Section */
.contact__buttons_container {
    text-align: center;
    display: grid;
    gap: 5rem;
    padding: 5rem 1rem;
    place-items: center;
}

.contact__buttons_container a {
    background-color: var(--body-color);
    outline: none;
    padding: 15px 30px;
    border: 5px solid var(--title-color);
    border-radius: 25px;
    font-size: 20px;
    color: var(--text-color);
    transition: all .3s;
    font-weight: 600;
    letter-spacing: 5px;
    text-align: center;
}

.contact__buttons_container a:hover {
    background-color: var(--title-color-alt);
}

.contact__buttons_container a:focus {
    background: var(--body-color);
    transform: translateY(.5rem);
    box-shadow: none;
    box-shadow: 10px 10px 60px 10px var(--body-color);
}

.contact__buttons_container i {
    margin: 15px;
    font-size: 20px;
    transition: all .3s;
}

.contact__buttons_container a:hover i {
    color: var(--title-color);
}

.contact__title {
    color: var(--title-color);
    font-size: 30px;
    letter-spacing: 5px;
}

.contact__subtitle {
    color: var(--subtitle);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 1px;
}


/* Media Querries */
/* For PC */
@media screen and (min-width: 769px) {
    .header {
        top: 0;
        bottom: initial;
    }

    .nav {
        height: calc(var(--header-height) + 1.5rem);
        column-gap: 1rem;
        margin: auto;
    }

    .nav__toggle,
    .nav__close {
        display: none;
    }

    .nav__list {
        display: flex;
        column-gap: 2rem;
    }

    .nav__menu {
        margin-left: auto;
    }

    .change__theme {
        margin: 0;
    }

    .nav__logo {
        font-size: 35px;
        font-weight: 800;
        letter-spacing: 5px;
    }

    .nav__item {
        margin-right: 10px;
    }

    .nav__item a {
        font-size: 22px;
        font-weight: var(--font-medium);
        letter-spacing: 3px;
    }

    .change__theme {
        font-size: 20px;
    }

    .section {
        padding: 10rem;
    }

    .home__subtitle,
    .home__subtitle span {
        font-size: 30px;
        letter-spacing: 5px;
    }

    .home__title,
    .about__title,
    .contact__title {
        font-size: 50px;
        letter-spacing: 6px;
        margin-bottom: 60px;
    }

    .home_description,
    .about__description {
        font-size: 20px;
        letter-spacing: 4px;
        margin-bottom: 60px;
    }

    .about__subtitle,
    .contact__subtitle {
        font-size: 20px;
        letter-spacing: 3px;
    }

    .contact__buttons_container {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .contact__buttons_container a {
        background-color: var(--body-color);
        outline: none;
        padding: 45px 100px;
        border: 5px solid var(--title-color);
        border-radius: 35px;
        font-size: 30px;
        color: var(--text-color);
        transition: all .3s;
        font-weight: 600;
        letter-spacing: 5px;
        text-align: center;
    }

    .contact__buttons_container a:hover {
        background-color: var(--title-color-alt);
    }

    .contact__buttons_container a:active {
        background: var(--body-color);
        transform: translateY(.5rem);
        box-shadow: none;
        box-shadow: 10px 10px 60px 10px var(--body-color);
    }

    .contact__buttons_container i {
        margin: 15px;
        font-size: 28px;
        transition: all .3s;
    }

    .contact__buttons_container a:hover i {
        color: var(--title-color);
    }
}

/* For Tab */
@media screen and (min-width: 426px) and (max-width: 768px) {
    .nav__logo {
        font-size: 40px;
        font-weight: var(--font-semi-bold);
        letter-spacing: 5px;
    }

    .nav__toggle,
    .change__theme {
        font-size: 20px;
    }

    .nav__item a {
        font-size: 20px;
        font-weight: var(--font-medium);
        letter-spacing: 3px;
    }

    .section {
        padding: 6rem;
    }

    .home__subtitle,
    .home__subtitle span {
        font-size: 30px;
        letter-spacing: 5px;
    }

    .home__title,
    .about__title,
    .contact__title {
        font-size: 60px;
    }

    .about__subtitle,
    .contact__subtitle {
        font-size: 25px;
    }

    .about__description {
        font-size: 20px;
    }

    .contact__buttons_container a {
        background-color: var(--body-color);
        outline: none;
        padding: 45px 100px;
        border: 5px solid var(--title-color);
        border-radius: 35px;
        font-size: 30px;
        color: var(--text-color);
        transition: all .3s;
        font-weight: 600;
        letter-spacing: 5px;
        text-align: center;
    }

    .contact__buttons_container a:hover {
        background-color: var(--title-color-alt);
    }

    .contact__buttons_container a:active {
        background: var(--body-color);
        transform: translateY(.5rem);
        box-shadow: none;
        box-shadow: 10px 10px 60px 10px var(--body-color);
    }

    .contact__buttons_container i {
        margin: 15px;
        font-size: 28px;
        transition: all .3s;
    }

    .contact__buttons_container a:hover i {
        color: var(--title-color);
    }
}

.colorise-buttons {
    color: var(--title-color);
}


/* Light Mode */
.light-theme {
    --body-color: #dfdddd;
    --text-color: #000;
    --title-color: #00b28a;
    --menu-shadow: rgba(19, 17, 17, 0.15);
    --subtitle: #5a5757;
}


/* Navbar Shadow */
.shadow {
    box-shadow: 0 -1px 30px var(--menu-shadow);
    transition: all .4s;
}