.light-theme {
  /**
   * light theme colors 
   */

  --background-primary: hsl(0, 0%, 100%);
  --background-secondary: hsl(0, 0%, 97%);

  --action-primary: hsl(214, 32%, 91%);
  --action-secondary: hsl(210, 38%, 95%);

  --foreground-primary: hsl(218, 23%, 23%);
  --foreground-secondary: hsl(216, 15%, 52%);
  --foreground-tertiary: hsl(214, 20%, 69%);

  --accent: hsl(0, 0%, 0%);
}

.dark-theme {
  /**
   * dark theme colors 
   */

  --background-primary: hsl(218, 23%, 23%);
  --background-secondary: hsl(220, 26%, 14%);

  --action-primary: hsl(216, 15%, 52%);
  --action-secondary: hsl(218, 23%, 23%);

  --foreground-primary: hsl(210, 38%, 95%);
  --foreground-secondary: hsl(211, 25%, 84%);
  --foreground-tertiary: hsl(214, 20%, 69%);

  --accent: hsl(0, 0%, 0%);
}

:root {
  /**
   * color
   */

  --white: hsl(0, 0%, 100%);

  /**
   * typography 
   */

  --fs-base: 0.85rem;
  --fs-1: 1.875rem;
  --fs-2: 1.5rem;
  --fs-3: 1.25rem;
  --fs-4: 0.875rem;
  --fs-5: 0.75rem;

  /**
   * spacing 
   */

  --py: 5rem;
}

/*-----------------------------------*\ 
  #RESET
\*-----------------------------------*/

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

a {
  text-decoration: none;
}

li {
  list-style: none;
}

img,
button {
  display: block;
}

a,
span {
  display: inline-block;
}

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

html {
  font-family: "Inter", sans-serif;
  font-size: var(--fs-base); /* base font-size (0.85rem = 13.6px) */
  line-height: 1.8;
}

:focus {
  outline-offset: 4px;
}

.instagram {
  color: rgb(0, 68, 255);
}
/**
 * scrollbar style
 */

::-webkit-scrollbar {
  width: 16px;
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 20px;
  border: 4px solid;
}

.light-theme::-webkit-scrollbar-thumb {
  border-color: hsl(0, 0%, 90%);
}

.dark-theme::-webkit-scrollbar-thumb {
  border-color: hsl(219, 27%, 20%);
}

.light-theme::-webkit-scrollbar-track {
  background: hsl(0, 0%, 90%);
}

.dark-theme::-webkit-scrollbar-track {
  background: hsl(219, 27%, 20%);
}

/*-----------------------------------*\ 
  #BASE STYLE
\*-----------------------------------*/

.h1,
.h2,
.h3,
.h4 {
  display: block;
  color: var(--foreground-primary);
}

.h1 {
  font-size: var(--fs-1);
  font-weight: 900;
}

.h2 {
  font-size: var(--fs-2);
  font-weight: 700;
}

.h3 {
  font-size: var(--fs-3);
  font-weight: 700;
}

.h4 {
  font-size: var(--fs-4);
  font-weight: 700;
}

.text-sm {
  font-size: var(--fs-4);
}

.text-tiny {
  font-size: var(--fs-5);
}

/*-----------------------------------*\ 
  #REUSED STYLE
\*-----------------------------------*/

.container {
  margin-inline: auto;
  margin: auto; /* fallback for margin-inline */
  grid: 1 / 2 span;
  padding: 0 15px;
}

.btn {
  min-width: 10rem;
  border-radius: 100px;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  padding: 0.6875rem 1.1875rem;
}

.btn-primary:hover {
  background: var(--foreground-secondary);
  color: var(--action-primary);
}

.btn-secondary {
  background: var(--action-secondary);
  color: var(--foreground-secondary);
  padding: 0.5rem 1rem;
  border: 3px solid var(--foreground-tertiary);
}

.btn-secondary:hover {
  border-color: var(--accent);
}

/*-----------------------------------*\ 
  #Extra style for dark theme
\*-----------------------------------*/

.dark-theme .btn-primary:hover {
  color: var(--background-primary);
}

.dark-theme .blog-topic {
  background: var(--action-primary);
  color: var(--foreground-secondary);
}

.dark-theme .blog-topic:hover {
  background: var(--foreground-primary);
  color: var(--action-primary);
}
.load-more {
  background-color: #333;
}
.load-more:hover {
  background-color: #444;
}

.dark-theme .aside .h2 {
  color: var(--foreground-primary);
}

/*-----------------------------------*\ 
  #HEADER
\*-----------------------------------*/

header {
  background: var(--background-primary);
}

header .flex-wrapper {
  display: none;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  padding: 15px 0;
}

.logo-light,
.logo-dark {
  display: none;
}

.light-theme .logo-light,
.dark-theme .logo-dark {
  display: block;
}

header .btn-group {
  display: flex;
  align-items: center;
  gap: 15px;
}

.theme-btn-mobile,
.nav-menu-btn,
.nav-close-btn {
  background: var(--action-secondary);
  color: var(--foreground-tertiary);
  width: 40px;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  font-size: 25px;
}

:is(.theme-btn-mobile, .nav-menu-btn, .nav-close-btn):hover {
  background: var(--accent);
  color: var(--white);
}

.theme-btn-mobile ion-icon {
  display: none;
}

.theme-btn-mobile.light .sun,
.theme-btn-mobile.dark .moon {
  display: block;
}

.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--background-primary);
  padding: 70px 20px;
  overflow: auto;
  overscroll-behavior: contain;
  transform: translateX(100%);
  visibility: hidden;
  transition: 0.5s cubic-bezier(1, 0, 0.3, 0.7);
  z-index: 10;
}

.mobile-nav.active {
  transform: translateX(0);
  visibility: visible;
}

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

.mobile-nav .wrapper {
  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--action-primary);
}

.mobile-nav .nav-title {
  margin-bottom: 1rem;
}

.mobile-nav .nav-item {
  margin-bottom: 0.5rem;
}

.mobile-nav .nav-link {
  font-size: var(--fs-3);
  color: var(--foreground-secondary);
}

.mobile-nav .nav-link:hover {
  color: var(--accent);
}

/*-----------------------------------*\ 
  #HERO SECTION
\*-----------------------------------*/

.hero {
  background: var(--background-primary);
  /* filter: blur(4px); */
  padding-top: 2rem;
  padding-bottom: var(--py);
  /* text-align: center; */
  /* background-repeat: no-repeat; */
  /* background-size: 100% 100%; */
}

.hero .h1 {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.hero b {
  color: var(--accent);
  font-weight: inherit;
}

.hero .h3 {
  color: var(--foreground-secondary);
  margin-bottom: 2rem;
}

.hero .btn-group {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  text-align: center;
}

.hero .right {
  display: none;
}

/*-----------------------------------*\ 
  #BLOG SECTION
\*-----------------------------------*/

.main {
  background: var(--background-secondary);
  padding: var(--py) 0;
}

.blog .h2 {
  line-height: 1.3;
  margin-bottom: 3rem;
  text-align: center;
}

.blog-card-group {
  margin-bottom: 3rem;
}

.blog-card {
  background: var(--background-primary);
  padding: 10px;
  height: 15rem;
  margin-bottom: 1rem;
  border-radius: 10px;
  box-shadow: 0 10px 10px hsla(0, 0%, 0%, 0.05);
  transition: 0.25s ease;
}

.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 10px hsla(0, 0%, 0%, 0.1);
}

.blog-card-banner {
  display: none;
}

.blog-content-wrapper {
  padding: 10px 5px;
}

.blog-topic {
  background: var(--action-secondary);
  color: var(--foreground-secondary);
  font-weight: 600;
  padding: 0.25rem 1rem;
  border-radius: 5px;
  margin-bottom: 1rem;
}

.blog-topic:hover {
  background: var(--foreground-secondary);
  color: var(--action-secondary);
}

.blog-card .h3 {
  line-height: 1.4;
  margin-bottom: 1rem;
}

.blog-card .h3:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.blog-text,
.profile-wrapper {
  display: none;
}

.blog .wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.blog .h4 {
  color: var(--foreground-secondary);
}

.blog .h4:hover {
  color: var(--accent);
}

.blog .text-sm {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--foreground-tertiary);
}

.blog .separator {
  background: var(--foreground-tertiary);
  margin-inline: 3px;
  margin: 0 3px; /* fallback for margin-inline */
  width: 3px;
  height: 3px;
  border-radius: 3px;
}

.blog ion-icon {
  --ionicon-stroke-width: 50px;
}

.load-more {
  /* margin-inline: auto; */
  margin: auto; /* fallback for margin-inline */
  padding: 1rem 2rem;
}

/*-----------------------------------*\ 
  #ASIDE
\*-----------------------------------*/

.aside {
  display: block;
  align-self: stretch;
  align-items: flex-end;
  float: right;
  right: 2px;
}

.aside .h2 {
  color: var(--foreground-secondary);
  margin-bottom: 3rem;
  text-align: center;
  line-height: 1.3;
}

.aside .wrapper {
  background: var(--background-primary);
  border-radius: 10px;
  padding: 40px;
  box-shadow: 0 5px 5px hsla(0, 0%, 0%, 0.05);
}

.topics {
  margin-bottom: 3rem;
}

.topic-btn {
  display: flex;
  align-items: stretch;
  background: var(--background-primary);
  border-radius: 10px;
  box-shadow: 0 5px 5px hsla(0, 0%, 0%, 0.05);
  overflow: hidden;
}

.topic-btn:not(:last-child) {
  margin-bottom: 1rem;
}

.topic-btn .icon-box {
  font-size: 22px;
  width: 70px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--action-primary);
  color: var(--foreground-secondary);
}

.topic-btn:hover .icon-box {
  background: var(--accent);
  color: var(--white);
}

.topic-btn ion-icon {
  --ionicon-stroke-width: 40px;
}

.topic-btn p {
  padding: 15px;
  color: var(--foreground-secondary);
  font-weight: 700;
}

.tags {
  margin-bottom: 3rem;
}

.tags .wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
}

.tags .hashtag {
  background: var(--action-primary);
  color: var(--foreground-secondary);
  padding: 5px 10px;
  font-size: var(--fs-5);
  font-weight: 700;
  border-radius: 5px;
}

.tags .hashtag:hover {
  background: var(--foreground-secondary);
  color: var(--action-primary);
}

.contact {
  margin-bottom: 3rem;
}

.contact p {
  color: var(--foreground-secondary);
  margin-bottom: 1rem;
}

.social-link {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.social-link .icon-box {
  width: 45px;
  height: 45px;
  background: var(--action-secondary);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 22px;
}

.social-link .discord {
  color: hsl(235, 86%, 65%);
}

.social-link .twitter {
  color: hsl(203, 89%, 53%);
}

.social-link .facebook {
  color: hsl(220, 46%, 48%);
}

.social-link .icon-box:hover {
  background: var(--accent);
  color: var(--white);
}

/*-----------------------------------*\ 
  #FOOTER
\*-----------------------------------*/

footer {
  background: var(--background-primary);
}

footer .container {
  padding: var(--py) 15px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

footer .wrapper {
  text-align: center;
}

.footer-logo {
  margin-bottom: 10px;
}

.footer-text {
  color: var(--foreground-secondary);
  max-width: 300px;
  margin-inline: auto;
  margin: auto; /* fallback for margin-inline */
}

.footer-title {
  color: var(--foreground-primary);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.footer-link {
  color: var(--foreground-secondary);
}

.footer-link:hover {
  color: var(--accent);
}

.copyright {
  color: var(--foreground-secondary);
  font-size: var(--fs-4);
  text-align: center;
  padding: 1rem;
  border-top: 1px solid var(--action-primary);
}

.copyright a {
  color: var(--accent);
  font-weight: 500;
}

.copyright a:hover {
  text-decoration: underline;
}

/*-----------------------------------*\ 
  #MEDIA QUERIES
\*-----------------------------------*/

/**
 * responsive for larger than 550px screen
 */

@media (min-width: 550px) {
  :root {
    /**
     * typography 
     */

    --fs-base: 0.9rem;
  }

  /**
   * BLOG 
   */

  .blog-card {
    display: grid;
    grid-template-columns: 3fr 4fr;
    gap: 20px;
  }

  .blog-card-banner {
    display: block;
    overflow: hidden;
    border-radius: 5px;
  }

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

/**
 * responsive for larger than 650px screen
 */

@media (min-width: 650px) {
  :root {
    /**
     * typography 
     */

    --fs-1: 2.25rem;
  }

  /**
   * REUSED STYLE 
   */

  .container {
    padding: 0 30px;
  }

  /**
   * HEADER 
   */

  .navbar {
    padding: 30px 0;
  }

  /**
   * BLOG 
   */

  .blog .h2 {
    position: relative;
    text-align: left;
    padding-left: 2rem;
  }

  .blog .h2::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    background: var(--action-primary);
    width: 5px;
    height: 100%;
    border-radius: 5px;
  }

  .blog-text,
  .profile-wrapper {
    display: block;
  }

  .blog-text {
    color: var(--foreground-secondary);
    font-size: var(--fs-4);
    display: -webkit-box;
    line-clamp: 3;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
  }

  .blog .wrapper-flex {
    display: flex;
    justify-content: start;
    align-items: center;
    gap: 10px;
  }

  .profile-wrapper {
    width: 56px;
    height: 56px;
    background: var(--action-primary);
    padding: 3px;
    border-radius: 50%;
  }

  .profile-wrapper img {
    border-radius: 50%;
  }

  .blog .wrapper {
    flex-direction: column;
    align-items: start;
    gap: 0;
  }

  /**
   * FOOTER 
   */

  footer .container {
    padding: var(--py) 30px;
    grid-template-columns: 2fr 1fr 1fr;
  }

  footer .wrapper {
    text-align: left;
  }

  .footer-text {
    margin: 0;
  }
}

/**
 * responsive for larger than 768px screen
 */

@media (min-width: 768px) {
  /**
   * REUSED STYLE 
   */

  .container {
    max-width: 800px;
  }
}

/**
 * responsive for larger than 1024px screen
 */

@media (min-width: 1024px) {
  :root {
    /**
     * typography 
     */

    --fs-base: 1rem;
    --fs-1: 3rem;
  }

  /**
   * REUSED STYLE 
   */

  .container {
    max-width: 1150px;
  }

  /**
   * HEADER 
   */

  header .btn-group {
    display: none;
  }

  header .flex-wrapper {
    display: flex;
    gap: 30px;
  }

  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 30px;
  }

  .desktop-nav .nav-link {
    color: var(--foreground-secondary);
    font-weight: 700;
  }

  .desktop-nav .nav-link:hover {
    color: var(--accent);
  }

  .theme-btn-desktop {
    position: relative;
    background: var(--background-secondary);
    color: var(--white);
    width: 52px;
    height: 26px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    border-radius: 100px;
  }

  .theme-btn-desktop.light {
    background: linear-gradient(45deg, hsl(7, 100%, 71%), hsl(46, 100%, 65%));
  }

  .theme-btn-desktop.dark {
    background: linear-gradient(45deg, hsl(225, 100%, 60%), hsl(296, 80%, 40%));
  }

  .theme-btn-desktop::before {
    content: "";
    position: absolute;
    background: var(--white);
    width: 21px;
    height: 21px;
    border-radius: 30px;
    top: 50%;
    left: 3px;
    transform: translateY(-50%);
    box-shadow: 0 2px 10px -2px hsl(0, 0%, 0%);
    z-index: 2;
  }

  .theme-btn-desktop.dark::before {
    left: calc(100% - 24px);
  }

  /**
   * HERO 
   */

  .hero {
    text-align: left;
  }

  .hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 50px;
  }

  .hero .btn-group {
    justify-content: start;
    gap: 30px;
  }

  .hero .right {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .hero .pattern-bg {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    height: 200px;
    background: url(../images/pattern.png);
    background-size: contain;
    opacity: 0.2;
  }

  .hero .img-box {
    position: relative;
    z-index: 2;
  }

  .hero-img {
    width: 100%;
    height: 70vh;
    object-fit: contain;
    border-radius: 20px;
    transform: translate(10px, -10px);
  }

  .hero .shape {
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 50%;
    transform: translate(-50%, -42%) rotate(-20deg);
  }

  .hero .shape-1 {
    background: var(--accent);
    width: 90%;
    height: 90%;
    z-index: -1;
  }

  .hero .shape-2 {
    width: 92%;
    height: 92%;
    box-shadow: inset 0 -30px 0 var(--action-primary);
    z-index: 2;
  }

  /**
   * MAIN 
   */

  .main .container {
    display: grid;
    grid-template-columns: 5fr 2fr;
    gap: 60px;
  }

  /**
   * ASIDE 
   */

  .aside {
    display: block;
    align-self: stretch;
    align-items: flex-end;
    float: right;
    right: 2px;
  }

  .aside .h2 {
    color: var(--foreground-secondary);
    margin-bottom: 3rem;
    text-align: center;
    line-height: 1.3;
  }

  .aside .wrapper {
    background: var(--background-primary);
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 5px 5px hsla(0, 0%, 0%, 0.05);
  }

  .topics {
    margin-bottom: 3rem;
  }

  .topic-btn {
    display: flex;
    align-items: stretch;
    background: var(--background-primary);
    border-radius: 10px;
    box-shadow: 0 5px 5px hsla(0, 0%, 0%, 0.05);
    overflow: hidden;
  }

  .topic-btn:not(:last-child) {
    margin-bottom: 1rem;
  }

  .topic-btn .icon-box {
    font-size: 22px;
    width: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--action-primary);
    color: var(--foreground-secondary);
  }

  .topic-btn:hover .icon-box {
    background: var(--accent);
    color: var(--white);
  }

  .topic-btn ion-icon {
    --ionicon-stroke-width: 40px;
  }

  .topic-btn p {
    padding: 15px;
    color: var(--foreground-secondary);
    font-weight: 700;
  }

  .tags {
    margin-bottom: 3rem;
  }

  .tags .wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem;
  }

  .tags .hashtag {
    background: var(--action-primary);
    color: var(--foreground-secondary);
    padding: 5px 10px;
    font-size: var(--fs-5);
    font-weight: 700;
    border-radius: 5px;
  }

  .tags .hashtag:hover {
    background: var(--foreground-secondary);
    color: var(--action-primary);
  }

  .contact {
    margin-bottom: 3rem;
  }

  .contact p {
    color: var(--foreground-secondary);
    margin-bottom: 1rem;
  }

  .social-link {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
  }

  .social-link .icon-box {
    width: 45px;
    height: 45px;
    background: var(--action-secondary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 22px;
  }

  .social-link .discord {
    color: hsl(235, 86%, 65%);
  }

  .social-link .twitter {
    color: hsl(203, 89%, 53%);
  }

  .social-link .facebook {
    color: hsl(220, 46%, 48%);
  }

  .social-link .icon-box:hover {
    background: var(--accent);
    color: var(--white);
  }

  .newsletter {
    position: sticky;
    top: 3rem;
    margin-bottom: 98px;
  }

  .newsletter p {
    color: var(--foreground-secondary);
    margin-bottom: 1rem;
  }

  .newsletter input {
    border: none;
    background: var(--action-primary);
    display: block;
    width: 100%;
    padding: 0.5rem 1rem;
    font: inherit;
    color: var(--foreground-secondary);
    border-radius: 5px;
    margin-bottom: 1rem;
  }

  .newsletter input::placeholder {
    color: inherit;
  }

  .newsletter input:focus {
    outline: 2px solid;
    outline-offset: 0;
  }

  .newsletter .btn-primary {
    margin-inline: auto;
    margin: auto; /* fallback for margin-inline */
  }

  /**
   * FOOTER 
   */

  .footer-title {
    font-size: 1.125rem;
  }

  .footer-link {
    margin-bottom: 0.3rem;
  }
}
.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 60rem;
  background-color: #ffffff;
  padding: 5rem 6rem;
  box-shadow: 0 4rem 6rem rgba(0, 0, 0, 0.753);
  z-index: 1000;
  transition: all 0.5s;
  border-radius: 2rem;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(1px);
  z-index: 100;
  transition: all 0.5s;
}

.modal__header {
  font-size: 3.25rem;
  margin-bottom: 4.5rem;
  line-height: 1.5;
}

.modal__form {
  margin: 0 3rem;
  display: grid;
  grid-template-columns: 1fr 2fr;
  align-items: center;
  gap: 2.5rem;
}

.modal__form label {
  font-size: 1.7rem;
  font-weight: 500;
}

.modal__form input {
  font-size: 1.7rem;
  padding: 1rem 1.5rem;
  border: 1px solid #ddd;
  border-radius: 0.5rem;
}

.modal__form button {
  grid-column: 1 / span 2;
  justify-self: center;
  margin-top: 1rem;
}

.btn--close-modal {
  font-family: inherit;
  color: inherit;
  position: absolute;
  top: 0.5rem;
  right: 2rem;
  font-size: 4rem;
  cursor: pointer;
  border: none;
  background: none;
}

.hidden {
  visibility: hidden;
  opacity: 0;
}
.section--sign-up {
  background-color: var(--white);
  border-top: none;
  border-bottom: 1px solid #444;
  text-align: center;
  padding: 10rem 3rem;
}

.section--sign-up .section__header {
  color: rgb(0, 0, 0);
  text-align: center;
}

.section--sign-up .section__title {
  margin-bottom: 6rem;
}

.section--sign-up .btn {
  font-size: 1.9rem;
  padding: 2rem 5rem;
}
input[type="tel"],
input[type="email"],
input[type="text"],
select {
  width: 100%;
  padding: 12px 20px;
  margin: 8px 0;
  display: inline-block;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

input[type="submit"] {
  border-radius: 20rem;
  width: 100%;
  background-color: #4caf50;
  color: white;
  padding: 14px 20px;
  margin: 8px 0;
  border: none;
  cursor: pointer;
  /* border-radius: 2rem; */
}

input[type="submit"]:hover {
  background-color: #45a049;
}

.wrap-form {
  border-radius: 5px;
  background-color: #f2f2f2;
  padding: 20px;
}
.card {
  width: 380px;
  perspective: 1000px;
  cursor: pointer;
}
.card-i {
  width: 100%;
  position: relative;
  text-align: center;
  transform-style: preserve-3d;
  transition: all 1s;
}
.front {
  backface-visibility: hidden;
}
.front img {
  /* width: 20rem; */
  height: 75vh;
  /* width: 100%; */
  border-radius: 10px;
}
.back {
  transform: rotateY(180deg);
  backface-visibility: hidden;
  background-color: rgb(255, 22, 22);
  color: rgb(255, 255, 255);
  position: absolute;
  height: 75vh;
  width: 100%;
  top: 0;
  left: 0;
  border-radius: 10px;
  display: flex;
  justify-content: center;
  flex-direction: column;
}
.back h1 {
  font-size: 50px;
  margin-top: 10px;
  font-weight: 600;
}
.back p {
  font-size: 25px;
  font-weight: 300;
}
.social i {
  color: white;
  width: 80px;
  height: 80px;
  line-height: 80px;
  font-size: 36px;
  background-color: rgba(170, 12, 12, 0.678);
  border-radius: 50%;
  margin: 25px 6px;
}
.social i:hover {
  background-color: rgba(87, 0, 0, 0.623);
}
a {
  text-decoration: none;
}
.btn {
  color: #333;
  font-size: 20px;
  text-decoration: none;
  background-color: white;
  padding: 10px 50px;
  border-radius: 25px;
  margin: 80px auto 0;
}
.card-i:hover {
  transform: rotateY(180deg);
}
@keyframes example {
  from {
    background-color: red;
  }
  to {
    background-color: yellow;
  }
}
.top {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  font-size: 26px;
  width: 50px;
  background-color: #fff;
  color: #333;
  cursor: pointer;
  outline: none;
  border: 3px solid #333;
  border-radius: 50%;
  transition-duration: 0.2s;
  transition-timing-function: ease-in-out;
  transition-property: background-color;
  text-align: center;
}
.top:hover {
  color: var(--white);
  background-color: #333;
}
.left {
  animation: ease 6s slidetext;
}
@keyframes slidetext {
  0% {
    transform: translate(-800px);
  }
  50% {
    transform: rotate(180deg);
  }
}