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

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

  /*========== Colors ==========*/
  /*Color mode HSL(hue, saturation, lightness)*/
  /*
        Purple: hsl(250, 66%, 75%)
        Blue: hsl(207, 90%, 72%)
        Pink: hsl(356, 66%, 75%)
        Teal: hsl(174, 63%, 62%)
  */
  --first-hue: 207;
  --sat: 90%;
  --lig: 45%;
  --second-hue: 219;
  --first-color: hsl(var(--first-hue), var(--sat), var(--lig));
  --first-color-alt: hsl(var(--first-hue), var(--sat), 40%);
  --title-color: hsl(var(--second-hue), 15%, 15%);
  --text-color: hsl(var(--second-hue), 8%, 35%);
  --text-color-light: hsl(var(--second-hue), 4%, 55%);
  --body-color: hsl(var(--second-hue), 100%, 99%);
  --container-color: #fff;

  /*========== Font and typography ==========*/
  /*.5rem = 8px | 1rem = 16px ...*/
  --body-font: 'Poppins', sans-serif;
  --biggest-font-size: 1.75rem;
  --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;
  --tiny-font-size: .625rem;

  /*========== Font weight ==========*/
  --font-medium: 500;
  --font-semibold: 600;

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

/* Responsive typography */
@media screen and (min-width: 968px) {
  :root {
    --biggest-font-size: 2.5rem;
    --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;
}

body,
button,
input,
textarea {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
}

body {
  background-color: var(--body-color);
  color: var(--text-color);
  transition: .4s; /* for light mode animation */
}

h1, h2, h3 {
  color: var(--title-color);
  font-weight: var(--font-semibold);
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
}

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

/*=============== THEME ===============*/
.change-theme{
  font-size: 1.25rem;
  cursor: pointer;
  transition: .3s;
}

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

/*========== Variables Dark theme ==========*/
body.dark-theme{
  --title-color: hsl(var(--second-hue), 15%, 95%);
  --text-color: hsl(var(--second-hue), 8%, 75%);
  --body-color: hsl(var(--second-hue), 48%, 8%);
  --container-color: hsl(var(--second-hue), 32%, 12%);
  --lig: 61%;
}

/*==========
    Color changes in some parts of
    the website, in light theme
==========*/


.dark-theme .nav__menu{
  background-color: hsl(var(--second-hue), 32%, 16%, .8);
}

.section__subtitle{
  color: var(--text-color-light);
}




.button,
.button:hover{
  color: #fff;
}

::-webkit-scrollbar{
  background-color: hsl(var(--second-hue), 8%, 66%);
}

::-webkit-scrollbar-thumb{
  background-color: hsl(var(--second-hue), 8%, 54%);
}

::-webkit-scrollbar-thumb:hover{
  background-color: hsl(var(--second-hue), 8%, 44%);
}

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
  max-width: 968px;
  margin-left: 1rem;
  margin-right: 1rem;
}

.grid {
  display: grid;
  gap: 1.25rem;
}

.main {
  overflow: hidden;
}

.section {
  padding: 4.5rem 0 1rem;
}

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

.section__title {
  font-size: var(--h2-font-size);
  color: var(--first-color);
  margin-bottom: 2rem;
}

.section__subtitle {
  display: block;
  font-size: var(--smaller-font-size);
  color: var(--text-color-light);
}

.logo__img{
  width: 150px;
}

/*===============NAV===============*/

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

.nav__logo{
  color: var(--first-color);
  font-weight: var(--font-medium);
  transition: .4s;
}

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

.nav__menu{
  position: fixed;
  bottom: 1rem;
  background-color: hsl(var(--second-hue), 32%, 90%, .8);
  width: 90%;
  border-radius: 4rem;
  padding: 1rem 2.25rem;
  backdrop-filter: blur(10px);
}

.nav__list{
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__link{
  color: var(--text-color);
  font-size: 1.25rem;
  padding: .4rem;
  display: flex;
  border-radius: 5rem;
}

/* Active link */
.active-link{
  background: linear-gradient(180deg,
              hsla(var(--first-hue), var(--sat), var(--lig), 1),
              hsla(var(--first-hue), var(--sat), var(--lig), .1)
            );
  box-shadow: 0 0 16px hsla(var(--first-hue), var(--sat), var(--lig), .3);
  color: var(--title-color);
}

/* Change background header */
.scroll-header{
  box-shadow: 0 4px 4px hsla(0, 0%, 4%, .3);
}

/*=============== BUTTONS ===============*/
.button{
  display: inline-block;
  background-color: var(--first-color);
  color: #fff;
  padding: .75rem;
  border-radius: .5rem;
  font-weight: var(--font-medium);
  transition: .4s;
}

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

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

/*=============== SCROLL BAR ===============*/
.dark-theme::-webkit-scrollbar{
  width: .6rem;
  border-radius: .5rem;
  background-color: hsla(var(--second-hue), 8%, 38%);
}

.dark-theme::-webkit-scrollbar-thumb{
  background-color: hsl(var(--second-hue), 8%, 26%);
  border-radius: .5rem;
}

.dark-theme::-webkit-scrollbar-thumb:hover{
  background-color: hsl(var(--second-hue), 8%, 20%);
}

/*=============== BREAKPOINTS ===============*/
/* For small devices */
@media screen and (max-width: 320px) {
  .nav__menu{
    padding: 1rem 1.5rem;
  }
}

/* For medium devices */
@media screen and (min-width: 576px) {
  .nav__menu{
    width: 328px;
    left: 0;
    right: 0;
    margin: 0 auto;
  }
}

@media screen and (min-width: 767px) {

}

/* For large devices */
@media screen and (min-width: 992px) {
  .container{
    margin-left: auto;
    margin-right: auto;
  }
  .section{
    padding: 6.5rem 0 1rem;
  }
  .section__title{
    margin-bottom: 3.5rem;
  }
  .nav{
    height: calc(var(--header-height) + 1rem);
  }
}

.iframe__Footer{
  width: 100%;
  height: 400px;
  display: block;
}

/*=============== PANTALLAS GRANDES: contenedor más ancho ===============*/
@media screen and (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

@media screen and (min-width: 1440px) {
  .container {
    max-width: 1320px;
  }
}