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

/* ==================== VARIABLES ==================== */
:root {
    --header-height: 3rem;

    /* Colors */
    --hue-color: 210; /* Blue: 210, Green: 142, Purple: 250 */
    --primary-color: hsl(var(--hue-color), 69%, 61%);
    --primary-color-alt: hsl(var(--hue-color), 57%, 53%);
    --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%);

    /* Font and Typography */
    --body-font: 'Poppins', 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 Weight */
    --font-medium: 500;
    --font-semi-bold: 600;

    /* Margins */
    --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;

    /* Z-index */
    --z-tooltip: 10;
    --z-fixed: 100;
    --z-modal: 1000;
}

@media screen and (min-width: 968px) {
    :root {
        --big-font-size: 3rem;
        --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 ==================== */
* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

html {
    scroll-behavior: smooth;
    /* Offset for fixed header */
    scroll-padding-top: var(--header-height);
}

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; }

/* ==================== REUSABLE CSS CLASSES ==================== */
.section {
    padding: 2rem 0 4rem;
}

.section__title {
    font-size: var(--h1-font-size);
    text-align: center;
}

.section__subtitle {
    display: block;
    font-size: var(--small-font-size);
    margin-bottom: var(--mb-2);
    text-align: center;
}

.container {
    max-width: 768px;
    margin-left: var(--mb-1-5);
    margin-right: var(--mb-1-5);
}

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

.button {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 1rem;
    border-radius: .5rem;
    font-weight: var(--font-medium);
    transition: .3s;
}

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

.button__icon {
    font-size: 1.25rem;
    margin-left: var(--mb-0-5);
    transition: .3s;
}

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

.button--ghost {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.button--ghost:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.button--small {
    padding: 0.75rem 1rem;
}

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

.nav {
    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-medium);
}
.nav__logo:hover { color: var(--primary-color); }
.nav__toggle { font-size: 1.1rem; cursor: pointer; }
.nav__toggle:hover { color: var(--primary-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 4rem;
        box-shadow: 0 -1px 4px rgba(0,0,0,.15);
        border-radius: 1.5rem 1.5rem 0 0;
        transition: .3s;
    }
}

.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(--primary-color); }
.nav__close { position: absolute; right: 1.3rem; bottom: .5rem; font-size: 1.5rem; cursor: pointer; color: var(--primary-color); }
.nav__close:hover { color: var(--primary-color-alt); }
.show-menu { bottom: 0; }
.active-link { color: var(--primary-color); }

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

/* ==================== HOME ==================== */
.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(--primary-color); }
.home__social-icon:hover { color: var(--primary-color-alt); }

.home__blob { width: 200px; fill: var(--primary-color); }
.home__blob-img { width: 170px; }
.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__buttons { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ==================== ABOUT ==================== */
.about__img { width: 200px; border-radius: .5rem; justify-self: center; align-self: center; }
.about__description { text-align: center; margin-bottom: var(--mb-2-5); }
.about__skills { margin-top: var(--mb-2); }
.skills__title { text-align: center; margin-bottom: var(--mb-1-5); font-size: var(--h3-font-size); }
.skills__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 1rem; }
.skills__item { background-color: var(--container-color); padding: 1rem; border-radius: .5rem; text-align: center; border: 1px solid rgba(0,0,0,0.1); font-weight: var(--font-medium); }
.skills__item i { font-size: 1.5rem; color: var(--primary-color); display: block; margin-bottom: var(--mb-0-5); }

/* ==================== PROJECTS ==================== */
.project__card { background-color: var(--container-color); border-radius: .75rem; box-shadow: 0 4px 8px rgba(0,0,0,0.1); overflow: hidden; transition: transform .3s; }
.project__card:hover { transform: translateY(-5px); }
.project__img { width: 100%; height: 180px; object-fit: cover; }
.project__data { padding: 1.5rem; }
.project__title { font-size: var(--h3-font-size); margin-bottom: var(--mb-0-5); }
.project__description { margin-bottom: var(--mb-1); }
.project__stack { font-size: var(--small-font-size); margin-bottom: var(--mb-1-5); }
.project__buttons { display: flex; gap: 1rem; }
.project__buttons .button i { margin-left: var(--mb-0-25); }

/* ==================== RESUME ==================== */
.resume__container { background-color: var(--container-color); padding: 2rem; border-radius: .5rem; border: 1px solid rgba(0,0,0,0.1); }
.resume__download-btn { display: block; width: fit-content; margin: 0 auto 2rem auto; }
.resume__section { margin-bottom: var(--mb-2); }
.resume__section:last-child { margin-bottom: 0; }
.resume__section-title { font-size: var(--h2-font-size); margin-bottom: var(--mb-1); display: flex; align-items: center; gap: .5rem; }
.resume__item-title { font-size: var(--normal-font-size); font-weight: var(--font-medium); }
.resume__item-subtitle { font-size: var(--small-font-size); color: var(--text-color-light); margin-bottom: var(--mb-0-25); }
.resume__item-date { font-size: var(--smaller-font-size); color: var(--text-color-light); }
.resume__item-bullets { padding-left: 1.5rem; margin-top: var(--mb-1); }
.resume__item-bullets li { margin-bottom: var(--mb-0-5); }
.skills__data { gap: 1rem; }
.skills__data div { background-color: var(--body-color); padding: .5rem; border-radius: .25rem; }

/* ==================== CONTACT ==================== */
.contact__container { row-gap: 3rem; }
.contact__information { display: flex; align-items: center; margin-bottom: var(--mb-2); }
.contact__icon { font-size: 2rem; color: var(--primary-color); margin-right: var(--mb-0-75); }
.contact__title { font-size: var(--h3-font-size); }
.contact__subtitle { font-size: var(--small-font-size); color: var(--text-color-light); }
.contact__inputs { gap: 1rem; }
.contact__content { position: relative; }
.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: 1.5rem; border-radius: .5rem; }
.contact__label { position: absolute; top: .75rem; left: 1.5rem; font-size: var(--smaller-font-size); color: var(--title-color); pointer-events: none; transition: .3s; }
.contact__input:focus + .contact__label,
.contact__input:not(:placeholder-shown) + .contact__label { top: -.75rem; left: 1.25rem; font-size: var(--smaller-font-size); background-color: var(--body-color); padding: 0 .25rem; }
textarea.contact__input { resize: vertical; }
.contact__message { font-size: var(--small-font-size); margin-top: var(--mb-1); }

/* ==================== FOOTER ==================== */
.footer { padding-top: 2rem; }
.footer__bg { background-color: var(--primary-color); padding: 2rem 0 3rem; }
.footer__container { row-gap: 3.5rem; }
.footer__title { font-size: var(--h1-font-size); margin-bottom: var(--mb-0-25); color: #fff; }
.footer__subtitle { font-size: var(--small-font-size); color: #fff; }
.footer__links { display: flex; flex-direction: column; row-gap: 1.5rem; }
.footer__link { color: #fff; }
.footer__link:hover { color: var(--title-color); }
.footer__social { font-size: 1.25rem; margin-right: var(--mb-1-5); color: #fff; }
.footer__social:hover { color: var(--title-color); }
.footer__copy { font-size: var(--smaller-font-size); text-align: center; color: var(--text-color-light); margin-top: 3rem; }

/* ==================== SCROLL UP ==================== */
.scrollup { position: fixed; right: 1rem; bottom: -20%; background-color: var(--primary-color); opacity: .8; padding: 0 .3rem; border-radius: .4rem; z-index: var(--z-tooltip); transition: .4s; }
.scrollup:hover { background-color: var(--primary-color-alt); }
.scrollup__icon { font-size: 1.5rem; color: #fff; }
.show-scroll { bottom: 5rem; }

/* ==================== SCROLL BAR ==================== */
::-webkit-scrollbar { width: .60rem; 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); }

/* Animated Sections */
.section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.section.visible {
    opacity: 1;
    transform: translateY(0);
}


/* ==================== MEDIA QUERIES ==================== */
@media screen and (min-width: 568px) {
    .home__content { grid-template-columns: max-content 1fr 1fr; }
    .home__data { grid-column: initial; }
    .home__img { order: 1; justify-self: center; }
    .about__container, .projects__container, .contact__container { grid-template-columns: repeat(2, 1fr); }
}

@media screen and (min-width: 767px) {
    .container { margin-left: auto; margin-right: auto; }
    body { margin: 0; }
    .header { top: 0; bottom: initial; }
    .header, .main, .footer__container { padding: 0 1rem; }
    .nav { height: calc(var(--header-height) + 1.5rem); column-gap: 1rem; }
    .nav__list { display: flex; column-gap: 2rem; }
    .nav__menu { margin-left: auto; }
    .nav__toggle, .nav__close { display: none; }
    .home__container { row-gap: 5rem; }
    .home__content { padding-top: 5.5rem; column-gap: 2rem; }
    .home__blob { width: 270px; }
    .section { padding: 6rem 0 2rem; }
    .section__subtitle { margin-bottom: 4rem; }
    .about__img { width: 250px; }
    .about__description { text-align: left; }
    .resume__download-btn { margin: 0 0 2rem 0; }
    .footer__container { grid-template-columns: repeat(3, 1fr); }
    .footer__bg { padding: 3rem 0 3.5rem; }
    .footer__links { flex-direction: row; column-gap: 2rem; }
    .footer__socials { justify-self: flex-end; }
    .footer__copy { margin-top: 4.5rem; }
}

@media screen and (min-width: 1024px) {
    .header, .main, .footer__container { padding: 0; }
    .home__blob { width: 320px; }
    .home__social { transform: translateX(-6rem); }
}