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

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

  /*========== Colors ==========*/
  /* Change favorite color */
  --hue-color: 225;
  /*Purple 250 - Green 142 - Blue 230 - Pink 340*/

  /* HSL color mode */
  --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%);

  /*========== Font and typography ==========*/
  --body-font: 'Poppins', sans-serif;

  /* .5rem = 8px, 1rem = 16px, 1.5rem = 24px ... */
  --big-font-size: 2rem;
  --h1-font-size: 1.5rem;
  --section_title_font_size: 1.45rem;
  --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;

  /*========== Margenes Bottom ==========*/
  /* .25rem = 4px, .5rem = 8px, .75rem = 12px ... */
  --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 index ==========*/
  --z-tooltip: 10;
  --z-fixed: 100;
  --z-modal: 1000;
}

/* Font size for large devices */
@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;
  }
}

/*========== Variables Dark theme ==========*/
body.dark-theme {
  /* HSL color mode */
  --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%);
}

/*========== Button Dark/Light ==========*/
.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);
}




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

html {
  scroll-behavior: smooth;
}

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 {
  color: #2563eb; /* Light mode default */
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

@media (prefers-color-scheme: li) {
  a {
    color: #2563eb ;
  }
}

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

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

.section__title {
  font-size: var(--section_title_font_size);
  color: var(--title-color);
  text-align: left;
}

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

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

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

/*==================== NAV ====================*/
.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-medium);
}

.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%;
    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(--first-color);
}

.nav__icon {
  font-size: 1.2rem;
}

.nav__close {
  position: absolute;
  right: 1.3rem;
  bottom: .5rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--first-color);
}

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

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

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

/* Change background header */
.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(--first-color);
}

.home__social-icon:hover {
  color: var(--first-color-alt);
  transform: translateY(-.25rem);
  transition: 1.5s;
}

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

.home__blob-img {
  width: 300px;
}

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

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

.home__subtitle {
  font-size: var(--h4-font-size);
  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: .3s;
}

.home__scroll-button:hover {
  transform: translateY(0.25rem)
}

.home__scroll-mouse {
  font-size: 2rem;
}

.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;
}

/*==================== BUTTONS ====================*/
.button {
  display: inline-block;
  background-color: var(--first-color);
  color: #fff;
  padding: 1rem;
  border-radius: .5rem;
  font-weight: var(--font-medium);
}

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

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

.button--white {
  background-color: #fff;
  color: var(--first-color);
}

.button--white:hover {
  background-color: #fff;
}

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

.button--small {
  padding: .75rem 1rem;
}

.button--link {
  padding: 0;
  background: transparent;
  color: var(--first-color);
}

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

/*==================== 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_info {
  display: flex;
  justify-content: space-evenly;
  margin-bottom: var(--mb-2-5);
}

.about__info-title {
  font-size: var(--h2-font-size);
  font-weight: var(--font-semi-bold);
  color: var(--title-color);
}

.about__info-name {
  font-size: var(--smaller-font-size);
}

.about__info-title,
.about__info-name {
  display: block;
  text-align: center;
}

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

/*==================== NEWS ====================*/
.news__container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.news__item {
  background-color: var(--container-color);
  padding: 1rem 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.news__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.news__text {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.news_button {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  background-color: var(--first-color);
  color: white;
  border-radius: 0.5rem;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

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

/* ========== RESEARCH SECTION ========== */
.research {
  padding: 2rem 0;
  background-color: var(--container-color); /* Adjust if needed */
}

.research .section__title {
  font-size: 2rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 2rem;
}

.research .section__subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 2rem 0 1rem 0;
  color: var(--title-color); /* Optional */
  text-align: left;
  padding-left: 1rem;
}

.research p,
.research li {
  font-size: 1rem;
  line-height: 1.6;
  margin-left: 2rem;
  margin-bottom: 0.5rem;
}

.research h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-left: 1rem;
  color: var(--title-color); /* Optional */
}

/* Optional enhancements */
.research__item {
  margin-bottom: 1rem;
  padding-left: 2rem;
}

/*==================== CONTACT ME ====================*/
.contact__container {
  row-gap: 3rem;
}

.contact__information {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.contact__icon {
  font-size: 1.5rem;
  color: var(--first-color, #4CAF50);
  margin-right: 0.75rem;
  flex-shrink: 0;
}

.contact__title {
  font-size: var(--h3-font-size, 1.25rem);
  font-weight: var(--font-medium, 500);
  margin: 0;
}

.contact__text {
  color: var(--text-color, #333);
  text-decoration: none;
}

.contact__text:hover {
  text-decoration: underline;
}

/*========== SCROLL UP ==========*/
.scrollup {
  position: fixed;
  right: 1rem;
  bottom: -20%;
  background-color: var(--first-color);
  opacity: .8;
  padding: 0 .3rem;
  border-radius: .4rem;
  z-index: var(--z-tooltip);
  transition: .4s;
}

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

.scrollup__icon {
  font-size: 1.5rem;
  color: #fff;
}

/* Show scroll */
.show-scroll {
  bottom: 5rem;
}

/*========== SCROLL BAR ==========*/
::-webkit-scrollbar {
  width: 0.6rem;
  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 QUERIES ====================*/
/* For small devices */
@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 {
    width: 180px;
  }

  .skills__title {
    font-size: var(--normal-font-size);
  }

  .services__container {
    grid-template-columns: max-content;
    justify-content: center;
  }

  .services__content {
    padding-right: 3.5rem;
  }

  .services__modal {
    padding: 0 .5rem;
  }

  .project__img {
    width: 200px;
  }

  .swiper-error{
    visibility: hidden;
  }

  .testimonial__data,
  .testimonial__header {
    flex-direction: column;
    align-items: center;
  }

  .testimonial__img {
    margin-right: 0;
    margin-bottom: var(--mb-0-25);
  }

  .testimonial__data,
  .testimonial__description {
    text-align: center;
  }
}

/* For medium devices */
@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,
  .skills__container,
  .portfolio__content,
  .project__container,
  .contact__container,
  .footer__container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (min-width: 768px) {
  .container {
    margin-left: auto;
    margin-right: auto;
  }

  body {
    margin: 0;
  }

  .section {
    padding: 6rem 0 2rem;
  }

  .section__subtitle {
    margin-top: 1rem;
    margin-bottom: 4rem;
    font-size: 1.1rem;
  }

  .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;
  }

  .change-theme {
    margin: 0;
  }

  .home__container {
    row-gap: 5rem;
  }

  .home__content {
    padding-top: 5.5rem;
    column-gap: 2rem;
  }

  .home__blob {
    padding-top: 5.5rem;
  }

  .home {
    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;
  }

  .services__container {
    grid-template-columns: repeat(3, 218px);
    justify-content: center;
  }

  .services__icon {
    font-size: 2rem;
  }

  .services__content {
    padding: 6rem 0 2rem 2.5rem;
  }

  .services__modal-content {
    width: 450px;
  }

  .swiper-error{
    visibility: hidden;
  }

  .portfolio__img {
    width: 320px;
  }

  .portfolio__content {
    align-items: center;
  }

  .project {
    text-align: initial;
  }

  .project__bg {
    background: none;
  }

  .project__container {
    background-color: var(--first-color-second);
    border-radius: 1rem;
    padding: 3rem 2.5rem 0;
    grid-template-columns: 1fr max-content;
    column-gap: 3rem;
  }

  .project__data {
    padding-top: .8rem;
  }

  .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;
  }
}



/* For large devices */
@media screen and (min-width: 1024px) {

  .header,
  .main,
  .footer__container {
    padding: 0;
  }

  .home__blob {
    width: 320px;
  }

  .home__social {
    transform: translateX(-6rem);
  }

  .services__container {
    grid-template-columns: repeat(3, 238px);
  }

  .swiper-error{
    visibility: visible;
  }

  .portfolio__content {
    column-gap: 5rem;
  }

  .swiper-portfolio-icon {
    font-size: 3.5rem;
  }

  .swiper-button-prev {
    left: -3.5rem;
  }

  .swiper-button-next {
    right: -3.5rem;
  }

  .swiper-container-horizontal>.swiper-pagination-bullets {
    bottom: -4.5rem;
  }

  .contact__form {
    width: 460px;
  }

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

/*==================== Waving hand  ====================*/
.wave {
  animation-name: wave-animation;
  /* Refers to the name of your @keyframes element below */
  animation-duration: 2.5s;
  /* Change to speed up or slow down */
  animation-iteration-count: infinite;
  /* Never stop waving :) */
  transform-origin: 70% 70%;
  /* Pivot around the bottom-left palm */
  display: inline-block;
}

@keyframes wave-animation {
  0% {
    transform: rotate(0.0deg)
  }

  10% {
    transform: rotate(14.0deg)
  }

  /* The following five values can be played with to make the waving more or less extreme */
  20% {
    transform: rotate(-8.0deg)
  }

  30% {
    transform: rotate(14.0deg)
  }

  40% {
    transform: rotate(-4.0deg)
  }

  50% {
    transform: rotate(10.0deg)
  }

  60% {
    transform: rotate(0.0deg)
  }

  /* Reset for the last half to pause */
  100% {
    transform: rotate(0.0deg)
  }
}

/*==================== Skills logo ====================*/
.skills__logo:hover{
  transform: translateY(-.25rem);
  transition: 1s;
}