:root {
  --white: hsl(0, 0%, 100%);
  --black: hsl(0, 0%, 0%);
  --amaranth: hsl(349, 69%, 53%);
  --xiketic-1: hsl(272, 55%, 6%);
  --xiketic-2: hsl(256, 100%, 3%);
  --nsu-purple: hsl(270, 55%, 31%);
  --silver-sand: hsl(220, 10%, 76%);
  --purple-violet: hsl(266, 55%, 15%);
  --battleship-gray: hsl(0, 0%, 70%);
  --light-periwinkle: hsl(240, 30%, 83%);
  --maximum-blue-perple: hsl(231, 50%, 77%);

  --ff-poppins: "Poppins", sans-serif;

  --fs-1: 32px;
  --fs-2: 28px;
  --fs-3: 22px;
  --fs-4: 18px;
  --fs-5: 16px;
  --fs-6: 14px;

  --fw-500: 500;
  --fw-600: 600;

  --transition: 0.15s ease-in-out;
}

.light-mode {
  --white: hsl(0, 0%, 100%);
  --black: hsl(0, 0%, 0%);
  --amaranth: hsl(274, 40%, 10%);
  --xiketic-1: hsl(0, 0%, 100%);
  /*--xiketic-1: hsl(349, 69%, 40%); */
  /* --xiketic-2: hsl(0, 0%, 100%); */
  --xiketic-2: hsl(349, 69%, 40%);
  --nsu-purple: hsl(270, 55%, 31%);
  --silver-sand: hsl(220, 10%, 76%);
  --purple-violet: hsl(266, 55%, 15%);
  --battleship-gray: hsl(0, 0%, 70%);
  --light-periwinkle: hsl(240, 30%, 83%);
  --maximum-blue-perple: hsl(231, 50%, 77%);
}

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

li {
  list-style: none;
}

a {
  text-decoration: none;
}

img,
span,
button,
a,
ion-icon {
  display: block;
}

button {
  background: none;
  border: none;
  font: inherit;
  cursor: pointer;
}

html {
  font-family: var(--ff-poppins);
  color: var(--white);
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--xiketic-1);
}

::-webkit-scrollbar-thumb {
  background: var(--amaranth);
  border-radius: 10px;
}

::-webkit-scrollbar-button {
  height: 10px;
  background: var(--xiketic-1);
}

.container {
  padding: 30px 15px;
  padding-right: 8px;
}

.btn-primary {
  background: var(--amaranth);
  color: var(--white);
  font-size: var(--fs-6);
  font-weight: var(--fw-500);
  text-transform: capitalize;
  padding: 12px 40px;
  border-radius: 25px;
}

.btn-primary:hover {
  --amaranth: hsl(349, 69%, 43%);
}

.h1,
.h2,
.h3,
.h5 {
  font-weight: var(--fw-500);
  line-height: 1.3;
}

.h1 {
  font-size: var(--fs-1);
}

.h2 {
  font-size: var(--fs-2);
}

.h3 {
  font-size: var(--fs-3);
}

.h5 {
  font-size: var(--fs-5);
  font-weight: var(--fw-600);
}

header {
  position: relative;
  background: var(--xiketic-1);
}

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

.navbar {
  background: var(--purple-violet);
  position: fixed;
  bottom: 100%;
  left: 0;
  width: 100%;
  padding: 20px 10px;
  box-shadow: 0 2px 5px hsla(0, 0%, 0%, 0.5);
  visibility: hidden;
  transition: var(--transition);
  z-index: 1;
}

.light-mode .navbar {
  background: var(--xiketic-1);
}

.navbar.active {
  transform: translateY(100%);
  visibility: visible;
}

.navbar-link {
  width: max-content;
  color: var(--white);
  font-size: var(--fs-6);
  font-weight: var(--fw-500);
  padding: 10px 20px;
  transition: var(--transition);
  border-radius: 8px;
}

.navbar-link:hover {
  background: var(--nsu-purple);
}

.light-mode .navbar-link {
  color: var(--black);
}

.navbar .btn-primary {
  display: none;
}

.nav-open-btn,
.nav-close-btn {
  background: var(--white);
  color: var(--black);
  font-size: 30px;
  padding: 3px;
  border-radius: 8px;
}

.nav-close-btn {
  position: absolute;
  top: 20px;
  right: 15px;
}

#language-selector {
  background-color: var(--xiketic-1);
  color: var(--white);
  padding: 8px 12px;
  border: none;
  font-size: 14px;
  margin-left: 10px;
  outline: none;
  cursor: pointer;
}

.light-mode #language-selector {
  background-color: var(--xiketic-1);
  color: var(--black);
}

main {
  background: var(--xiketic-1);
}

.hero {
  min-height: 80vh;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0px 0 130px;
}

.light-mode .hero {
  color: var(--black);
}

.hero-title {
  margin-bottom: 50px;
}

.hero-title span {
  display: inline;
}

.hero-title .bold {
  color: var(--amaranth);
}

.light-mode .hero-title .bold {
  color: var(--xiketic-2);
}

.download {
  padding: 80px 0;
}

.download-list {
  display: grid;
  grid-template-columns: 1fr;
  place-items: center;
  gap: 40px;
}

.download-link {
  max-width: 150px;
  color: var(--white);
  font-size: var(--fs-4);
  text-align: center;
}

.light-mode .download-link {
  color: var(--black);
}

.download-link ion-icon {
  margin: auto;
  font-size: 65px;
  margin-bottom: 15px;
}

.features {
  padding: 80px 0;
  display: grid;
  grid-template-columns: 1fr;
  place-items: center;
  gap: 60px;
}

.features-item:not(:last-child) {
  margin-bottom: 50px;
}

.features-item-title {
  margin-bottom: 20px;
}

.features-item-text {
  color: var(--light-periwinkle);
}

.light-mode .features-item-text {
  color: var(--purple-violet);
}
.light-mode .features-item-title {
  color: var(--black);
}

.feature-banner {
  position: relative;
}

.feature-banner-bg {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(calc(-50% - 3px));
  width: 125%;
}

.banner-img {
  position: relative;
  left: 5px;
  width: 100%;
  margin: auto;
}

.overview {
  padding: 80px 0;
}

.overview-card {
  background: var(--xiketic-2);
  border-radius: 12px;
  box-shadow: 0 2px 4px hsla(0, 0%, 0%, 0.5);
}

.overview-banner {
  padding: 40px 40px;
}

.overview-banner img {
  width: 100%;
  max-width: 320px;
  margin: auto;
}

.overview-content {
  padding: 0 25px 40px;
}

.overview-title {
  margin-bottom: 20px;
}

.overview-text {
  margin-bottom: 40px;
  color: var(--light-periwinkle);
}

.light-mode .overview-text,
.light-mode h2.overview-title {
  color: var(--white);
}

.overview-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.overview-item:not(:last-child) {
  margin-bottom: 20px;
}

.overview-item ion-icon {
  color: var(--amaranth);
  font-size: 20px;
}

.overview-item span {
  font-size: var(--fs-6);
  width: calc(100% - 30px);
}

.overview-input {
  border: 2px solid var(--white);
  color: var(--white);
  font-size: 1rem;
  border-radius: 1rem;
  width: 100%;
  padding: 0.8rem 1rem;
  outline: none;
  background-color: transparent;
}

.light-mode .overview-input::placeholder {
  color: var(--white);
}

.overview-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.overview-container .btn-primary {
  width: 100%;
  max-width: 200px;
}

.light-mode .overview-container .btn-primary {
  background-color: var(--white);
  color: var(--xiketic-2);
}

.blog {
  padding: 80px 0;
}

.blog-title {
  text-align: center;
  margin-bottom: 60px;
}

.blog-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
}

.blog-banner {
  position: relative;
  height: 250px;
  margin-bottom: 40px;
}

.blog-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
}

.blog-banner time {
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--amaranth);
  color: var(--white);
  font-size: var(--fs-6);
  font-weight: var(--fw-600);
  text-align: center;
  min-width: 130px;
  padding: 8px 0;
  border-radius: 20px;
}

.blog-post-title {
  color: var(--white);
  margin-bottom: 10px;
}

.blog-post:hover .blog-post-title {
  text-decoration: underline;
}

.blog-post-text {
  color: var(--silver-sand);
  font-size: var(--fs-6);
  padding-right: 50px;
}

footer {
  background: var(--xiketic-2);
}

footer .container {
  padding: 80px 15px;
}

.footer-brand {
  margin-bottom: 40px;
}

.footer-logo {
  margin-bottom: 30px;
  margin-left: -40px;
}

.footer-brand p {
  font-size: var(--fs-6);
  font-weight: 400;
  margin-bottom: 20px;
}

.social-list {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-link {
  color: var(--maximum-blue-perple);
  font-size: 20px;
}

.social-link:hover {
  color: var(--white);
}

.footer-item-title {
  margin-bottom: 20px;
}

.footer-link {
  width: max-content;
  color: var(--maximum-blue-perple);
  font-size: var(--fs-6);
  margin-bottom: 8px;
}

.footer-link:hover {
  text-decoration: underline;
}

.footer-btn-group > a {
  width: max-content;
}

.footer-btn-group img:first-of-type {
  margin-bottom: 20px;
}

.copyright {
  color: var(--maximum-blue-perple);
  padding: 20px 15px;
  text-align: center;
  font-size: var(--fs-6);
  border-top: 1px solid hsla(240, 30%, 83%, 0.1);
  display: flex;
  justify-content: center;
  gap: 0.4rem;
}

.go-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--amaranth);
  color: var(--white);
  font-size: 20px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  box-shadow: 0 1px 3px hsla(0, 0%, 0%, 0.5);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease-in;
}

.go-top:hover {
  --amaranth: hsl(349, 69%, 43%);
}

.go-top.active {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}

@media (max-width: 1024px) {
  .navbar-list {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
  }

  .downbtns {
    display: flex;
    gap: 1.5rem;
  }

  .hero {
    padding: 0px;
  }
}

@media (min-width: 320px) {
  :root {
    --fs-1: 38px;
    --fs-2: 30px;
  }

  .feature-banner-bg {
    width: 100%;
  }
  .banner-img {
    left: 0;
  }

  .header .container {
    padding: 15px !important;
  }
}

@media (min-width: 450px) {
  :root {
    --fs-1: 42px;
    --fs-2: 30px;
    --fs-3: 24px;
  }

  .feature-banner-bg {
    width: 100%;
  }

  .overview-content {
    padding: 0 40px 50px;
  }

  .blog-title {
    --fs-2: 32px;
  }

  .blog-post-title {
    --fs-3: 22px;
  }
}

@media (min-width: 600px) {
  :root {
    --fs-1: 48px;
  }

  .container {
    max-width: 520px;
    margin: auto;
  }

  .blog-banner {
    height: 300px;
  }

  .blog-title {
    --fs-2: 42px;
  }

  .footer-brand {
    margin-bottom: 40px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 700px;
  }

  .download-list {
    grid-template-columns: repeat(2, 1fr);
    max-width: fit-content;
    margin: auto;
    gap: 80px;
  }

  .features-item {
    max-width: 450px;
    margin-inline: auto;
    text-align: center;
  }

  .feature-banner-bg {
    width: 160%;
  }

  .blog-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 970px;
  }

  .navbar {
    position: static;
    visibility: visible;
    background: none;
    padding: 0;
    box-shadow: none;
  }

  .nav-open-btn,
  .nav-close-btn {
    display: none;
  }

  .navbar-list {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0;
  }

  .navbar-link {
    position: relative;
  }

  .navbar-link:hover {
    background: none;
  }

  .navbar-link::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 25%;
    background: transparent;
    width: 50%;
    height: 2px;
  }

  .navbar-link:hover::before {
    background: var(--white);
  }

  .navbar .btn-primary {
    display: block;
    margin-left: 15px;
  }

  .hero {
    position: relative;
  }

  .hero-content {
    width: 50%;
  }

  .hero-banner {
    position: absolute;
    top: 50%;
    right: -100px;
    transform: translateY(-50%);
    background: url("../images/hero-2.png") no-repeat;
    background-size: contain;
    width: 40%;
    padding-bottom: 50%;
  }

  /**
   * FEATURES
   */

  .features {
    grid-template-columns: repeat(3, 1fr);
    gap: 100px;
  }

  .features-list:first-child li {
    text-align: right;
  }

  .features-list:last-child li {
    text-align: left;
  }

  /**
   * OVERVIEW
   */

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

  .overview-banner img {
    max-width: 380px;
  }

  .overview-content {
    width: 55%;
    padding: 40px;
  }

  .blog-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .blog-banner {
    height: 200px;
  }

  footer .container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
  }

  .footer-btn-group {
    margin-left: 20px;
  }
}

/* termos e condicoes */

.link_A {
  color: var(--white);
  text-decoration: none;
  margin-bottom: 20px;
}

.terms_container {
  display: flex;
  padding-bottom: 100px;
  padding-top: 50px;
  gap: 20px;
  flex-direction: column;
}
.light-mode .terms_container h1 {
  color: var(--black);
}

.terms_container h2 {
  color: var(--amaranth);
  margin-bottom: 20px;
}

.light-mode .terms_container h2 {
  color: var(--xiketic-2);
}

.terms_container p {
  color: var(--white);
  font-size: var(--fs-5);
  line-height: 1.8;
}

.light-mode .terms_container p {
  color: var(--black);
}
.light-mode .email {
  color: var(--amaranth);
  font-size: large;
}

/*  */

@media (min-width: 1200px) {
  :root {
    --fs-1: 46px;
  }

  .container {
    max-width: 1140px;
  }

  .hero {
    padding-top: 20px;
    padding-bottom: 150px;
  }

  .hero-banner {
    top: 55%;
    right: -50px;
  }

  .blog {
    padding-bottom: 150px;
  }

  footer .container {
    padding: 100px 15px;
  }

  .downbtns {
    display: flex;
    gap: 2rem;
  }
}