@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap');

/* Variables CSS */
:root {
    --header-height: 3.5rem;

    /* Color mode HSL(hue, saturation, lightness) */
    --first-color: hsl(0, 42%, 24%);
    --first-color-alt: hsl(0, 0%, 22%);
    --second-color: hsl(55, 50%, 47%);
    --second-color: hsl(55, 20%, 27%);
    --title-color: hsl(0, 0%, 100%);
    --text-color: hsl(0, 0%, 53%);
    --body-color: hsl(0, 0%, 13%);

    /* .5rem = 8px / 1rem = 16px */
    --body-font: "Montserrat", sans-serif;
    --biggest-font-size: 2rem;
    --normal-font-size: .938rem;
    --small-font-size: .813rem;

    /* Font weight */
    --font-medium: 500;
    --font-semi-bold: 600;
    --font-bold: 700;

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

/* Responsive typography */
@media screen and (min-width: 1152px) {
    :root {
        --biggest-font-size: 4rem;
        --h3-font-size: 1.125rem;
        --normal-font-size: 1rem;
        --small-font-size: .875rem;
    }
}

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

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

/* Navigation for mabile devices */
@media screen and (max-width: 1023px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        background-color: var(--body-color);
        width: 80%;
        height: 100%;
        box-shadow: 0 0 16px hsla(268, 58%, 4%, .2);
        padding: 6rem 3rem;
        display: flex;
        flex-direction: column;
        row-gap: 2.5rem;
        transition: right .4s;
    }
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Reusable css classes */

.nav-container,
.container {
    max-width: 1120px;
    margin-inline: 1.5rem;
}

.main {
    overflow: hidden;
    /* for animation */
}

/* Header & Nav */

.header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    background-color: var(--body-color);
    z-index: var(--z-fixed);
}

.nav-container {
    position: relative;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo,
.nav-toggle,
.nav-close {
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav-logo {
    color: var(--text-color);
    column-gap: .5rem;
    font-weight: var(--font-semi-bold);
}

.nav-logo img {
    font-size: 1.25rem;
    font-weight: initial;

}

.nav-toggle,
.nav-close {
    background-color: var(--first-color-alt);
    width: 1.8rem;
    height: 1.8rem;
    border-radius: 20%;
    font-size: 1.25rem;
    cursor: pointer;
    /* margin: 1rem; */
}

.nav-list {
    display: flex;
    flex-direction: column;
    row-gap: 2.5rem;
}

.nav-link {
    color: var(--text-color);
    font-weight: var(--font-semi-bold);
    transition: color .4s;
}

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

.nav-button {
    display: inline-block;
    width: max-content;
    background-color: var(--body-color);
    border: 1px solid var(--text-color);
    padding: .5rem 2rem;
    border-radius: 4rem;
    color: var(--title-color);
    font-weight: var(--font-semi-bold);
}

.nav-close {
    position: absolute;
    top: 1rem;
    right: 1.45rem;
}

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

/* Home */

.home {
    position: relative;
    height: 100vh;

}

.home-container {
    padding-top: 7rem;
    display: grid;
    row-gap: 3rem;
}

.home-content {
    text-align: center;
}

.home-subtitle {
    font-size: var(--biggest-font-size);
    margin-bottom: 3rem;
    letter-spacing: 5px;
}

.home-title {
    position: relative;
    width: max-content;
    margin: 0 auto .75rem;
    font-size: var(--biggest-font-size);
    color: var(--title-color);
}

.home-title img {
    position: absolute;
    right: 0;
    bottom: 0;
}

.home-title span {
    position: relative;
    z-index: 5;
}

.home-description {
    line-height: 1.5;
    margin-bottom: 1.75rem;
}

.home-button {
    display: inline-block;
    color: var(--title-color);
    border: 1px solid var(--text-color);
    padding: 1.125rem 3rem;
    border-radius: 4rem;
    font-weight: var(--font-semi-bold);
    box-shadow: 0 8px 32px hsla(0, 0%, 32%, 0.3),
        inset 0 4px 8px hsla(0, 0%, 44%, 0.4);
}

.home-images {
    position: relative;
    display: flex;
    justify-content: center;
    height: 250px;
}

.home-images img {
    position: absolute;
}

.home-frame {
    width: 256px;
    top: -1rem;
}

.home-sphere {
    width: 256px;
}

.home-triangle {
    width: 256px;
}

.home-r {
    width: 256px;
}

.home-l {
    width: 256px;
}

/* .home-text-render,
.home-text-line {
    width: 256px;
} */

.footer {
    display: block;
    margin-inline: 3rem;
    border-top: .2px solid var(--text-color);
}


.footer-copyright {
    display: flex;
    justify-content: left;
    width: 100%;
    padding-left: 1.5rem;
    margin-top: 1rem;
    font-weight: var(--font-semi-bold);
}

.footer-list {
    display: flex;
    align-items: center;
    column-gap: 4.5rem;
    padding: 1.5rem;
    color: var(--title-color);
    font-size: var(--small-font-size);
    font-weight: var(--font-medium);
}








/* For small devices */
@media screen and (max-width: 300px) {
    .nav-container {
        margin-inline: 1rem;
    }

    .home-title {
        font-size: 1.75rem;
    }

    .footer-list {
        column-gap: .5rem;
    }
}

/* Samsung Z Fold 5 */
@media screen and (min-width: 344px) and (min-height: 882px) {
    .home-container {
        padding-top: 10rem;
    }

    .home-title {
        font-size: 1.75rem;
    }

    .footer {
        margin-top: 8rem;
        margin-inline: 1rem;
    }

    .footer-list {
        column-gap: 1rem;
    }
}

/* Samsung S8+ */
@media screen and (min-width: 360px) and (min-height: 740px) {
    .home-container {
        padding-top: 10rem;
    }

    .home-title {
        font-size: 1.75rem;
    }

    .footer {
        margin-top: 8rem;
        margin-inline: 1rem;
    }

    .footer-list {
        column-gap: 1rem;
    }
}

/* iPhone SE */
@media screen and (min-width: 375px) and (min-height: 667px) {
    .home-container {
        padding-top: 8rem;
    }

    .home-title {
        font-size: 1.75rem;
    }

    .footer {
        margin-top: 15rem;
        margin-inline: 1rem;
    }

    .footer-list {
        column-gap: 1rem;
    }
}


@media screen and (min-width: 376px) and (min-height: 800px) {
    .home-container {
        padding-top: 10rem;
    }

    .footer-list {
        column-gap: 1rem;
    }
}


@media screen and (min-width: 576px) {
    .home-container {
        grid-template-columns: 400px;
        justify-content: center;
    }

    .nav-menu {
        width: 50%;
    }
}

@media screen and (min-width: 767px) {
    .home {
        display: grid;
        place-content: center;
    }

    .home-container {
        grid-template-columns: repeat(2, 350px);
        padding-top: 0;
    }

    .home-content {
        text-align: initial;
    }

    .home-title {
        margin-inline: 0;
    }

    .home-frame,
    .home-sphere,
    .home-triangle,
    .home-r,
    .home-l {
        margin-left: 4rem;
    }
}

@media screen and (min-width: 1023px) {
    .nav {
        height: calc(--header-height) + 2rem;
    }

    .nav-toggle,
    .nav-close {
        display: none;
    }

    .nav-menu {
        width: 100%;
        display: flex;
        align-items: center;
        column-gap: 4.5rem;
    }

    .nav-list {
        margin-left: auto;
        flex-direction: row;
        column-gap: 4.5rem;
    }

}

@media screen and (min-width: 1152px) {
    .nav-container {
        margin-inline: auto;
    }

    .home-container {
        grid-template-columns: 460px 650px;
        align-items: center;
        z-index: 5;
    }

    .home-subtitle {
        font-size: var(--normal-font-size);
        margin-bottom: .75rem;
    }

    .home-title {
        /* letter-spacing: -3px; */
        margin-bottom: 1rem;
    }

    .home-title img {
        width: 100px;
        right: -.5rem;
    }

    .home-description {
        font-size: var(--h3-font-size);
        margin-bottom: 3rem;
    }

    .home-frame,
    .home-sphere,
    .home-triangle,
    .home-r,
    .home-l {
        width: 350px;
        margin-left: 8rem;
    }

}