@import url("https://fonts.googleapis.com/css2?family=Overpass:ital,wght@0,100..900;1,100..900&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Ubuntu:ital,wght@0,300;0,400;0,500;0,700;1,300;1,400;1,500;1,700&display=swap");
:root {
  /* Colors */
  --LightRed: hsl(356, 100%, 66%); /* CTA text */
  --VeryLightRed: hsl(355, 100%, 74%); /* CTA hover background */
  --VeryDarkBlue: hsl(208, 49%, 24%); /* headings */

  --White: hsl(0, 0%, 100%); /* text */
  --GrayishBlue: hsl(240, 2%, 79%); /* footer text */
  --VeryDarkGrayishBlue: hsl(207, 13%, 34%); /* body copy */
  --VeryDarkBlackBlue: hsl(240, 10%, 16%); /* footer background */

  --GradientIntro: linear-gradient(
    to right,
    hsl(13, 100%, 72%),
    hsl(353, 100%, 62%)
  );
  --GradientBody: linear-gradient(
    to right,
    hsl(237, 17%, 21%),
    hsl(237, 23%, 32%)
  );

  /* Font */
  --fsH1: 37.5px;
  --fsH2: 27.5px;
  --fsH3: 22.5px;
  --fsP: 16px;
  --fw600: 500;
  --fw300: 300;
  --ffOverpass: "Overpass", sans-serif;
  --ffUbuntu: "Ubuntu", sans-serif;

  /* Others */
  --paddingInlineApp: 10%;
  --sectionRadius: 80px;
}

* > *,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-size: var(--fsP);
  font-weight: var(--fw300);
  font-family: var(--ffUbuntu);
}
h1,
h2,
h3 {
  font-family: var(--ffOverpass);
}
h1 {
  font-size: var(--fsH1);
  font-weight: var(--fw600);
}
h2 {
  font-size: var(--fsH2);
  font-weight: var(--fw600);
}
h3 {
  font-size: var(--fsH3);
  font-weight: var(--fw600);
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

/* Header */
.header {
  --paddingBtn: 10px 20px;
  padding: 40px var(--paddingInlineApp) 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 120px;
  background-image: url(./images/bg-pattern-intro-desktop.svg);
  background-size: 120%;
  background-position: center left;
  background-repeat: no-repeat;
  position: relative;
  border-bottom-left-radius: var(--sectionRadius);
}
.header::before {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-image: var(--GradientIntro);
  z-index: -1;
  border-bottom-left-radius: inherit;
}

.navigation {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.nav_main {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav_list {
  display: flex;
  align-items: center;
  gap: 25px;
  list-style-type: none;
}

.nav_item {
  --paddingLink: 5px;
  position: relative;
}
.nav_item:hover .nav_link {
  text-decoration: underline;
  opacity: 1;
}
.nav_item:hover .nav_link_arrow {
  transform: translate(2px, -2px) rotate(180deg);
}
.nav_item:hover .nav_link_dropdown {
  display: flex;
}

.nav_link {
  color: var(--White);
  text-decoration: none;
  font-weight: var(--fw600);
  opacity: 0.8;
  padding-bottom: var(--paddingLink);
}

.nav_link_arrow {
  transform: translate(2px, -2px);
}

.nav_link_dropdown {
  width: 130px;
  padding: 20px;
  position: absolute;
  top: calc(100% + var(--paddingLink));
  left: -10px;
  display: none;
  flex-direction: column;
  gap: 15px;
  background-color: var(--White);
  list-style-type: none;
  border-radius: 8px;
  --shW: 0.25px;
  --shB: 2px;
  --color: rgb(49, 49, 49);
  box-shadow: calc(-1 * var(--shW)) calc(-1 * var(--shW)) var(--shB)
      var(--color),
    calc(-1 * var(--shW)) calc(1 * var(--shW)) var(--shB) var(--color),
    calc(1 * var(--shW)) calc(-1 * var(--shW)) var(--shB) var(--color),
    calc(1 * var(--shW)) calc(1 * var(--shW)) var(--shB) var(--color);
}

.nav_dropdown_link {
  color: var(--VeryDarkBlackBlue);
  text-decoration: none;
  font-weight: 400;
}
.nav_dropdown_link:hover {
  font-weight: var(--fw600);
}

.nav_auth {
  display: flex;
  align-items: center;
  gap: 12.5px;
}

#log_in_btn {
  padding: var(--paddingBtn);
  font-weight: var(--fw600);
  color: var(--White);
  background-color: transparent;
  border: none;
  cursor: pointer;
}

#sign_up_btn {
  padding: var(--paddingBtn);
  font-weight: var(--fw600);
  color: var(--LightRed);
  background-color: var(--White);
  border: none;
  border-radius: 50px;
  cursor: pointer;
}
#sign_up_btn:hover {
  background-color: var(--VeryLightRed);
  color: var(--White);
}

#open_menu_btn,
#close_menu_btn {
  display: none;
  background-color: transparent;
  border: none;
  cursor: pointer;
}

.nav_menu {
  --spacing: 20px;
  --paddingMenu: 20px;
  width: 100%;
  height: max-content;
  padding: var(--paddingMenu);
  position: absolute;
  top: calc(100% + 50px);
  left: 50%;
  transform: translateX(-50%);
  display: none;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing);
  background-color: var(--White);
  border-radius: 6px;
  --shW: 0.1px;
  --shB: 2px;
  --color: hsl(0, 0%, 48%);
  box-shadow: var(--shW) var(--shW) var(--shB) var(--color),
    calc(var(--shW) * -1) var(--shW) var(--shB) var(--color),
    var(--shW) calc(var(--shW) * -1) var(--shB) var(--color),
    calc(var(--shW) * -1) calc(var(--shW) * -1) var(--shB) var(--color);
  z-index: 1000;
}
.nav_menu.active {
  display: flex;
}

.nav_menu_list {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  list-style-type: none;
  padding-bottom: calc(var(--spacing) / 2);
  border-bottom: 1px solid hsl(240, 2%, 95%);
}

.menu_nav_item {
  width: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.menu_nav_link {
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: var(--fw600);
  color: var(--VeryDarkBlackBlue);
  text-decoration: none;
}

.menu_nav_link_dropdown {
  width: inherit;
  padding: var(--paddingMenu);
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background-color: hsl(240, 2%, 95%);
  border-radius: 6px;
  list-style-type: none;
}
.menu_nav_link_dropdown.active {
  display: flex;
}

.menu_nav_dropdown_link {
  font-weight: var(--fw600);
  color: var(--VeryDarkGrayishBlue);
  text-decoration: none;
}
.menu_nav_dropdown_link:hover {
  color: var(--VeryDarkBlackBlue);
}

.nav_menu_auth {
  display: grid;
  grid-template-rows: 1fr 1fr;
  align-items: center;
  gap: 5px;
}

#menu_log_in_btn {
  padding: var(--paddingBtn);
  font-weight: var(--fw600);
  color: var(--VeryDarkBlue);
  background-color: transparent;
  border: none;
  cursor: pointer;
}
#menu_sign_up_btn {
  padding: var(--paddingBtn);
  font-weight: var(--fw600);
  color: var(--White);
  background-image: var(--GradientIntro);
  border: none;
  border-radius: 50px;
  cursor: pointer;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--White);
  text-align: center;
}

.hero_desc {
  opacity: 0.8;
  margin-bottom: 12px;
}

.hero_btn_wrapper {
  display: flex;
  gap: 12.5px;
}

#start_btn {
  padding: var(--paddingBtn);
  font-weight: var(--fw600);
  color: var(--LightRed);
  background-color: var(--White);
  border: none;
  border-radius: 50px;
  cursor: pointer;
}
#start_btn:hover {
  background-color: var(--VeryLightRed);
  color: var(--White);
}
#more_btn {
  padding: var(--paddingBtn);
  font-weight: var(--fw600);
  color: var(--White);
  background-color: transparent;
  border: 1px solid var(--White);
  border-radius: 50px;
  cursor: pointer;
}
#more_btn:hover {
  background-color: var(--White);
  color: var(--VeryLightRed);
}

/* Purpose Article */
.purpose_article {
  padding: 90px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 70px;
}

.purpose_title {
  color: var(--VeryDarkBlackBlue);
  text-align: center;
}

.purpose_content_wrapper {
  padding-left: var(--paddingInlineApp);
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr;
  gap: 140px;
  align-items: center;
}

.purpose_text_section {
  display: flex;
  flex-direction: column;
  gap: 65px;
}

.purpose_fragment_title {
  color: var(--VeryDarkBlackBlue);
  margin-bottom: 20px;
}

.purpose_fragment_desc {
  color: var(--VeryDarkGrayishBlue);
  line-height: 1.75rem;
}

.purpose_image_section {
  width: 100%;
  position: relative;
}

.purpose_img_desktop {
  width: 800px;
  max-width: 150%;
  position: absolute;
  top: 50%;
  right: -25%;
  transform: translateY(-50%);
}
.purpose_img_mobile {
  max-width: 120%;
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* State Article */
.state_article {
  width: 100%;
  margin-top: 190px;
  background-image: var(--GradientBody);
  --radius: 80px;
  border-radius: 0 var(--sectionRadius) 0 var(--sectionRadius);
}

.state_wrapper {
  width: 100%;
  height: 100%;
  padding: 100px var(--paddingInlineApp);
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr;
  align-items: center;
  gap: 80px;
  background-image: url(./images/bg-pattern-circles.svg);
  background-position: -50% 100%;
  background-size: 70%;
  background-repeat: no-repeat;
}

.state_image_section {
  position: relative;
}

.state_img {
  max-width: 140%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.state_text_section {
  display: flex;
  flex-direction: column;
  gap: 30px;
  color: var(--White);
}

.state_desc {
  line-height: 1.75rem;
}

/* Advantages Aside */
.advantages_aside {
  width: 100%;
  padding-right: var(--paddingInlineApp);
  margin-top: 340px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 200px;
  grid-template-rows: 1fr;
}

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

.advantage_img_desktop {
  max-width: 200%;
  position: absolute;
  inset: 50%;
  transform: translate(-50%, -50%);
}

.advantage_img_mobile {
  max-width: 140%;
  display: none;
}

.advantages_text_section {
  display: flex;
  flex-direction: column;
  --spacing: 60px;
  gap: var(--spacing);
}

.advantage {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing) / 2);
}

.advantage_title {
  color: var(--VeryDarkBlackBlue);
}

.advantage_desc {
  color: var(--VeryDarkGrayishBlue);
  line-height: 1.75rem;
}

/* Footer */
.footer {
  width: 100%;
  padding: 60px var(--paddingInlineApp);
  margin-top: 300px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 1fr;
  gap: 100px;
  background-color: var(--VeryDarkBlackBlue);
  border-top-right-radius: var(--sectionRadius);
}

.footer_column:not(:first-of-type) {
  display: flex;
  flex-direction: column;
  --spacing: 30px;
  gap: var(--spacing);
}

.footer_header {
  font-weight: var(--fw600);
  color: var(--White);
}

.footer_list {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing) / 2);
  list-style-type: none;
}

.footer_link {
  color: var(--GrayishBlue);
  text-decoration: none;
}
.footer_link:hover {
  text-decoration: underline;
}

/* Media Queries */
@media (max-width: 900px) {
  .header {
    background-image: url(./images/bg-pattern-intro-mobile.svg);
  }
  .nav_list,
  #log_in_btn,
  #sign_up_btn {
    display: none;
  }
  #open_menu_btn {
    display: block;
  }

  .purpose_content_wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-inline: var(--paddingInlineApp);
    margin-top: 140px;
  }
  .purpose_text_section {
    order: 2;
    text-align: center;
  }
  .purpose_image_section {
    margin-bottom: 70px;
  }
  .purpose_img_desktop {
    display: none;
  }
  .purpose_img_mobile {
    display: block;
  }

  .state_wrapper {
    padding: 100px var(--paddingInlineApp);
    display: flex;
    flex-direction: column;
    background-image: url(./images/bg-pattern-circles.svg);
    background-position: center -100px;
    background-size: 70%;
  }
  .state_image_section {
    width: 100%;
    height: max-content;
    margin-bottom: 70px;
  }
  .state_img {
    width: 400px;
    max-width: 100%;
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translate(-50%, -60%);
  }
  .state_text_section {
    text-align: center;
  }

  .advantages_aside {
    margin-top: 100px;
    padding-inline: var(--paddingInlineApp);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    text-align: center;
  }
  .advantage_img_desktop {
    display: none;
  }
  .advantage_img_mobile {
    display: inline-block;
  }

  .footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 50px;
    text-align: center;
  }
}
@media (max-width: 360px) {
  .hero_btn_wrapper {
    flex-direction: column;
    align-items: center;
  }
}