@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@500&display=swap');

:root {
    --header-height: 3rem;

    --hue-color: 220; 

    --first-color: hsl(var(--hue-color), 69%, 61%);
    --first-color-second: hsl(var(--hue-color), 69%, 61%);
    --first-color-alt: hsl(var(--hue-color), 57%, 53%);
    --first-color-lighter: hsl(var(--hue-color), 92%, 85%);
    --title-color: hsl(var(--hue-color), 8%, 15%);
    --text-color: hsl(var(--hue-color), 8%, 45%);
    --text-color-light: hsl(var(--hue-color), 8%, 65%);
    --input-color: hsl(var(--hue-color), 70%, 96%);
    --body-color: hsl(var(--hue-color), 60%, 99%);
    --container-color: #fff;
    --scroll-bar-color: hsl(var(--hue-color), 12%, 90%);
    --scroll-thumb-color: hsl(var(--hue-color), 12%, 80%);

    --body-font: 'Quicksand', sans-serif;

    --big-font-size: 2rem;
    --h1-font-size: 1.5rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1.125rem;
    --normal-font-size: .938rem;
    --small-font-size: .813rem;
    --smaller-font-size: .75rem;

    --font-medium: 500;
    --font-semi-bold: 600;

    --mb-0-25: .25rem;
    --mb-0-5: .5rem;
    --mb-0-75: .75rem;
    --mb-1: 1rem;
    --mb-1-5: 1.5rem;
    --mb-2: 2rem;
    --mb-2-5: 2.5rem;
    --mb-3: 3rem;

    --z-tooltip: 10;
    --z-fixed: 100;
    --z-modal: 1000;
}

.nav_btns {
    display: flex;
    align-items: center;
}

.change-theme {
    font-size: 1.25rem;
    color: var(--title-color);
    margin-right: var(--mb-1);
    cursor: pointer;
}

.change-theme:hover {
    color: -var(--first-color);
}

body.dark-theme {
    --first-color-second: hsl(var(--hue-color), 30%, 8%);
    --title-color: hsl(var(--hue-color), 8%, 95%);
    --text-color: hsl(var(--hue-color), 8%, 75%);
    --input-color: hsl(var(--hue-color), 29%, 16%);
    --body-color: hsl(var(--hue-color), 28%, 12%);
    --container-color: hsl(var(--hue-color), 29%, 16%);
    --scroll-bar-color: hsl(var(--hue-color), 12%, 48%);
    --scroll-thumb-color: hsl(var(--hue-color), 12%, 36%);
}

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

html {
    scroll-behavior: smooth;
    font-size: 18px;
}

body {
    margin: 0 0 var(--header-height) 0;
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    background-color: var(--body-color);
    color: var(--text-color);
  }
  
h1, h2, h3, h4 {
    color: var(--title-color);
    font-weight: var(--font-semi-bold);
}
  
ul {
    list-style: none;
}
  
a {
    text-decoration: none;
}
  
img {
    max-width: 100%;
    height: auto;
}

.section {
    padding: 2rem 0 4rem;
}
  
.section_title {
    font-size: var(--h1-font-size);
    color: var(--title-color);
}
  
.section_subtitle {
    display: block;
    font-size: var(--small-font-size);
    margin-bottom: var(--mb-3);
}
  
.section_title, 
.section_subtitle {
    text-align: center;
}
  
.container {
    max-width: 768px;
    margin-left: var(--mb-1-5);
    margin-right: var(--mb-1-5);
}
  
.grid {
    display: grid;
    gap: 1rem;
}
  
.header {
    width: 100%;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: var(--z-fixed);
    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(--title-color);
    font-weight: var(--font-semi-bold);
}

.nav_logo:hover {
    color: var(--first-color);
}

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

.nav_toggle:hover {
    color: var(--first-color);
}

@media screen and (max-width: 767px) {
    .nav_menu {
        position:fixed;
        bottom: -100%;
        left:0;
        width:100%;
        background-color: var(--body-color);
        padding: 2rem 1.5rem 2rem;
        box-shadow: 0 -1px 4px rgba(0, 0, 0, 15);
        border-radius: 1.5rem 1.5rem 0 0;
        transition: transform .5s;   
        -webkit-transition: -webkit-transform .5s;
    }
}

.nav_list {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.nav_link {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: var(--small-font-size);
    color: var(--title-color);
    font-weight: var(--font-medium);
}

.nav_link:hover {
    color: var(--first-color);
}

.nav_icon {
    font-size: 1.2rem;
}

.nav_close {
    position: absolute;
    right: 1rem;
    bottom: .5rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--first-color);
}

.nav_close:hover {
    color: var(--first-color-alt);
}

.show-menu {
    bottom: 0;
}

.active-link {
    color: var(--first-color);
}

.home_container {
    gap: 1rem;
}

.home_content {
    grid-template-columns: .5fr 3fr;
    padding-top: 3.5rem;
    align-items: center;
}

.home_social {
    display: grid;
    grid-template-columns: max-content;
    row-gap: 1rem;
}

.home_social-icon {
    font-size: 1.25rem;
    color: var(--first-color);
}

.home_social-icon:hover {
    color: var(--first-color-alt);
}

.home_blob {
    width: 200px;
    fill: var(--first-color);
}

.home_blob-img {
    width: 170px;
    border-radius: 50%;
}

.home_data {
    grid-column: 1/3;
}

.home_title {
    font-size: var(--big-font-size);
}

.home_subtitle {
    font-size: var(--h3-font-size);
    color: var(--text-color);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-0-75);
}

.home_description {
    margin-bottom: var(--mb-2);
}


.home_scroll-button {
    color: var(--first-color);
    transition: transform .5s;
    -webkit-transition: -webkit-transform .5s;
}

.home_scroll-button {
    transform: translateY(.25rem);
}

.home_scroll-mouse {
    font-size: 1.5rem;
}

.home_scroll-name {
    font-size: var(--small-font-size);
    color: var(--title-color);
    font-weight: var(--font-medium);
    margin-right: var(--mb-0-25);
}

.home_scroll-arrow {
    font-size: 1.25rem;
}

.button {
    display: inline-block;
    background-color: var(--first-color);
    color: #FFF;
    padding: 1rem;
    border-radius: .5rem;
    font-weight: var(--font-medium);
    margin: auto;
}

.button:hover {
    background-color: var(--first-color-alt);
}

.button_icon {
    font-size: 1.25rem;
    margin-left: var(--mb-0-5);
    transition: transform .5s;
    -webkit-transition: -webkit-transform .5s;
}

.button--flex {
    display: inline-flex;
    align-items: center;
}

.about_description {
    text-align: center;
    margin-bottom: var(--mb-2-5);
}

.about_buttons {
    display: flex;
    justify-content: center;
}

.education_tabs {
    display: flex;
    justify-content: space-evenly;
    margin-bottom: var(--mb-2);
}

.education_button {
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
    cursor: pointer;
}

.education_button:hover {
    color: var(--first-color);
}

.education_icon {
    font-size: 1.8rem;
    margin-right: var(--mb-0-25);
}

.education_content {
    margin: 0 auto;
    margin-left: 50px;
}

.education_data {
    display: grid;
    grid-template-columns: 1fr max-content 1fr;
    column-gap: 1.3rem;
}

.education_title {
    font-size: var(--normal-font-size);
    font-weight: var(--font-medium);
}

.education_subtitle {
    display: inline-block;
    font-size: var(--small-font-size);
    margin-bottom: var(--mb-1);
}

.education_calendar {
    font-size: var(--smaller-font-size);
    color: var(--text-color-light);
}

.education_rounder {
    display: inline-block;
    width: 13px;
    height: 13px;
    background-color: var(--first-color);
    border-radius: 200%;
}

.education_line {
    display: block;
    width: 1px;
    height: 120%;
    background-color: var(--first-color);
    transform: translate(6px, -7px);
}

.experiences_data {
    margin: 0 auto;
    text-align: center;
}

.projects_container {
    overflow: initial;
}

.projects_content {
    padding: 0 1.5rem;
}

.projects_img {
    width: 265px;
    border-radius: .5rem;
    justify-self: center;
}

.projects_title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-0-5);
}

.projects_description {
    margin-bottom: var(--mb-0-75);
}

.projects_button:hover .button_icon {
    transform: translateX(.25rem);
}

.swiper-button-prev::after,.swiper-button-next::after {
    content: '';
}

.swiper-projects-icon {
    font-size: 2rem;
    color: var(--first-color);
}

.swiper-button-prev {
    left: -.5rem;
}

.swiper-button-next {
    right: -.5rem;
}

.swiper-horizontal > swiper-pagination-bullets {
    bottom: -2.5rem;
}

.swiper-pagination-bullet-active {
    background-color: var(--first-color);
}

.swiper-button-prev,
.swiper-button-next,
.swiper-pagination-bullet {
    outline: none;
}

.contact_information {
    display: flex;
    margin-bottom: var(--mb-2);
}

.contact_icon {
    font-size: 2rem;
    color: var(--first-color);
    margin-right: var(--mb-0-75);
}

.contact_title {
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
}

.contact_subtitle {
    font-size: var(--small-font-size);
    color: var(--text-color-light);
}

.contact_content {
    background-color: var(--input-color);
    border-radius: .5rem;
    padding: .75rem 1rem .25rem;
}

.contact_label {
    font-size: var(--smaller-font-size);
    color: var(--title-color);
}

.contact_input {
    width: 100%;
    background-color: var(--input-color);
    color: var(--text-color);
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    border: none;
    outline: none;
    padding: .25rem .5rem .5rem 0;
}

.footer {
    padding-top: 2rem;
}

.footer_container {
    row-gap: 3.5rem;
}

.footer_bg {
    background-color: var(--first-color-second);
    padding: 2rem 0 3rem;
}

.footer_title {
    font-size: var(--h1-font-size);
    margin-bottom: var(--mb-0-25);
}

.footer_subtitle {
    font-size: var(--small-font-size);
}
 
.footer_links {
    display: flex;
    flex-direction: column;
    row-gap: 1.5rem;
}

.footer_link:hover {
    color: var(--first-color-lighter);
}

.footer_title, .footer_subtitle, .footer_link {
    color: #FFF;
}

.scroll-header {
    box-shadow: 0 -1px 4px rgba(0, 0, 0, 15);
}

.scrollup {
    position: fixed;
    right: 1rem;
    bottom: -20%;
    background-color: var(--first-color);
    opacity: .7;
    padding: 0 .3rem;
    border-radius: .4rem;
    z-index: var(--z-tooltip);
    transition: transform .5s;
    -webkit-transition: -webkit-transform .4s;
}

.scrollup:hover {
    background-color: var(--first-color-alt);
}

.scrollup_icon {
    font-size: 1.5rem;
    color: #FFF;
}

.show-scroll {
    bottom: 5rem;
}

::-webkit-scrollbar {
    width: .55rem;
    background-color: var(--scroll-bar-color);
    border-radius: .5rem;
}

::-webkit-scrollbar-thumb {
    background-color: var(--scroll-thumb-color);
    border-radius: .5rem;
}

::webkit-scrollbar-thumb:hover {
    background-color: var(--text-color-light);
}

@media screen and (max-width: 350px){
    .container {
        margin-left: var(--mb-1);
        margin-right: var(--mb-1);
    }

    .nav_menu {
        padding: 2rem .25rem 4rem;
    }

    .nav_list {
        column-gap: 0;
    }

    .home_content {
        grid-template-columns: .25fr 3fr;
    }
    .home_blob-img {
        width: 180px;
    }
}

@media screen and (min-width: 568px) {
    .home_content {
        grid-template-columns: max-content 1fr 1fr;
    }
    .home_data {
        grid-column: initial;
    }
    .home_blob-img {
        order: 1;
        justify-self: center;
    }
    .about_container, .projects_container, .contact_container, .footer_container {
        grid-template-columns: repeat(2, 1fr);
    }
    .education_sections {
        display: grid;
        grid-template-columns: .6fr;
        justify-content: center;
    }
}

@media screen and (min-width: 768px) {
    .container {
        margin-left: auto;
        margin-right: auto;
    }
    body {
        margin: 0;
    }
    .section {
        padding: 6rem 0 2rem;
        margin: auto;
    }
    .section_subtitle {
        margin-bottom: 4rem;
    }
    .header {
        top: 0;
        bottom: initial;
    }
    .header, .main, .footer_container {
        padding: 0 1rem;
    }
    .nav {
        height: calc(var(--header-height) + 1.5rem);
        column-gap: 1rem;
    }
    .nav_icon, .nav_close, .nav_toggle {
        display: none;
    }
    .nav_list {
        display: flex;
        column-gap: 2rem;
    }
    .nav_menu {
        margin-left: auto;
    }
    .nav_link {
        font-size: 1.1rem;
    }
    .change-theme {
        margin: 0;
    }
    .home_container {
        row-gap: 5rem;
    }
    .home_content {
        padding-top: 5.5rem;
        column-gap: 2rem;
    }
    .home_blob-img {
        width: 10px;
    }
    .home_scroll {
        display: block;
    }
    .home_scroll-button {
        margin-left: 3rem;
    }
    .about_container {
        column-gap: 5rem;
    }
    .about_img {
        width: 350px;
    }
    .about_description {
        text-align: initial;
    }
    .about_info {
        justify-content: space-between;
    }
    .about_buttons {
        justify-content: initial;
    }
    .education_tabs {
        justify-content: center;
    }
    .education_button {
        margin: 0 var(--mb-1);
    }
    .education_sections {
        grid-template-columns: .5fr;
    }
    .projects_img {
        width: 500px;
        height: 300px;
        object-fit: contain;  /* ensures full image is visible */
        background-color: #fff; /* or whatever you want the empty space to be */
    }
    .projects_content {
        align-items: center;
    }
    .footer_container {
        grid-template-columns: repeat(3, 1fr);
    }
    .footer_bg {
        padding: 5rem 0 5rem;
    }
    .footer_links {
        flex-direction: row;
        column-gap: 2rem;
    }
}

@media screen and (min-width: 1024px) {
    .header, .main, .footer_container {
        padding: 0;
        /*font-size: var(--h2-font-size);*/
    }
    .home_blob-img {
        width: 295px;
    }
    .home_social-icon {
        font-size: 2rem;
    }
    .nav_logo {
        font-size: 1.1rem;
    }  
    .home_social {
        transform: translateX(-6rem);
    }
    .projects_content {
        column-gap: 5rem;
    }
    .swiper-projects-icon {
        font-size: 3.5rem;
    }
    .swiper-button-prev {
        left: -3.5rem;
    }
    .swiper-button-right {
        right: 3.5rem;
    }
    .swiper-container-horizontal > .swiper-pagination-bullets {
        bottom: -4.5rem;
    }
    .contact_form {
        width: 800px;
        margin: 0 auto;
    }

}