/* GLOBAL */

html {
  font-size: 62.5%;
}

.page {
  background-color: var(--background-page-color);
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  justify-content: center;
  overflow-x: hidden;
  padding: 1.6rem;
}

/* PAGE BACKGROUND */

.background {
  content: url(../assets/images/pattern-light.svg);
  position: absolute;
  z-index: -1;
}

.background.before {
  top: 22.7rem;
  left: -21.2rem;
}

.background.after {
  top: 0rem;
  right: -21.1rem;
}

/* MAIN BORDER */

.main::before {
  content: "";
  position: absolute;
  top: calc(-1 * clamp(3.2rem, 1.371rem + 2.381vw, 4.8rem));
  left: 1rem;
  width: 0.1rem;
  height: calc(
    100% + 3.8rem + 1.6rem + clamp(0rem, -0.563rem + 1.502vw, 1.6rem) +
      calc(2 * clamp(3.2rem, 1.371rem + 2.381vw, 4.8rem))
  );
  background-color: var(--border-color);
}

.main::after {
  content: "";
  position: absolute;
  top: calc(-1 * clamp(3.2rem, 1.371rem + 2.381vw, 4.8rem));
  right: 1rem;
  width: 0.1rem;
  height: calc(
    100% + 3.8rem + 1.6rem + clamp(0rem, -0.563rem + 1.502vw, 1.6rem) +
      calc(2 * clamp(3.2rem, 1.371rem + 2.381vw, 4.8rem))
  );
  background-color: var(--border-color);
}

/* HEADER */

.header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0.6rem;
  border-radius: 1rem;
  border: 0.1rem solid var(--border-color);
  background-color: var(--background-header-color);
  margin: clamp(0rem, -0.382rem + 1.018vw, 0.4rem) auto
    clamp(3.2rem, 1.371rem + 2.381vw, 4.8rem);
  max-width: 64rem;
  width: 100%;
  box-shadow: 0rem 0.6rem 1rem 0rem rgba(123, 123, 123, 3%);
}

.header__avatar-link {
  margin-right: auto;
}

.header__avatar {
  width: 4rem;
  border-radius: 1rem;
}

#hamburger-button {
  display: none;
  margin-right: 0.6rem;
  padding: 1rem;
  border-radius: 1rem;
}

.header__list {
  display: flex;
  gap: 2.4rem;
  margin-right: 2rem;
}

.header__item {
  color: var(--text-title);
  font-family: var(--text-8-family);
  font-size: var(--text-8-size);
  font-weight: var(--text-8-weight);
  line-height: var(--text-8-height);
  letter-spacing: var(--text-8-spacing);
}

.header__item-link.active {
  text-decoration: underline var(--underline-color) 0.3rem;
}

.header__toggle {
  padding: 1.167rem;
  border-radius: 0.8rem;
  border: 0.1rem solid var(--border-color);
  background-color: var(--background-page-color);
}

/* MAIN */

.main {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  max-width: 64rem;
  padding: 0rem 2rem;
  background-color: var(--background-page-color);
}

/* INTRO */

.intro {
  max-width: 60rem;
  margin-bottom: clamp(3.2rem, 1.371rem + 2.381vw, 4.8rem);
  position: relative;
}

.intro::after {
  content: "";
  width: 100%;
  height: 0.1rem;
  background-color: var(--border-color);
  position: absolute;
  bottom: calc(-1 * clamp(3.2rem, 1.371rem + 2.381vw, 4.8rem));
  left: 0rem;
}

.intro__title {
  color: var(--text-title);
  font-family: var(--text-2-family);
  font-size: var(--text-2-size);
  font-weight: var(--text-2-weight);
  line-height: var(--text-2-height);
  letter-spacing: var(--text-2-spacing);
  margin-bottom: 2.4rem;
  position: relative;
  width: fit-content;
  z-index: 1;
}

.intro__title::before {
  content: "";
  position: absolute;
  bottom: 0.4rem;
  left: 0rem;
  height: 0.8rem;
  width: 100%;
  background-color: var(--underline-color);
  z-index: -1;
}

.intro__text {
  color: var(--text-body);
  font-family: var(--text-7-family);
  font-size: var(--text-7-size);
  font-weight: var(--text-7-weight);
  line-height: var(--text-7-height);
  letter-spacing: var(--text-7-spacing);
  margin-bottom: 2.4rem;
}

.intro__list {
  display: flex;
  gap: 1.2rem;
}

.intro__social {
  background-color: var(--background-btn-color);
  border-radius: 1rem;
  border: 0.1rem solid var(--border-color);
  padding: 1.2rem;
}

/* ARTICLES */

.articles {
  max-width: 60rem;
  width: 100%;
  margin-top: clamp(3.2rem, 1.371rem + 2.381vw, 4.8rem);
}

.articles__title {
  color: var(--text-title);
  font-family: var(--text-2-family);
  font-size: var(--text-2-size);
  font-weight: var(--text-2-weight);
  line-height: var(--text-2-height);
  letter-spacing: var(--text-2-spacing);
  margin-bottom: 3.2rem;
  position: relative;
  width: fit-content;
  z-index: 1;
}

.articles__title::before {
  content: "";
  position: absolute;
  bottom: 0.8rem;
  right: calc(-1rem + -4rem);
  height: 0.3rem;
  width: 4rem;
  background-color: var(--underline-color);
  z-index: -1;
}

.articles__list {
  margin-bottom: 3.2rem;
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
}

.articles__latest {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
  margin-bottom: 3.2rem;
}

.articles__article-title {
  color: var(--text-title);
  font-family: var(--text-5-family);
  font-size: var(--text-5-size);
  font-weight: var(--text-5-weight);
  line-height: var(--text-5-height);
  letter-spacing: var(--text-5-spacing);
  margin-bottom: 0.8rem;
}

.articles__article-date {
  color: var(--text-body);
  font-family: var(--text-8-family);
  font-size: var(--text-8-size);
  font-weight: var(--text-8-weight);
  line-height: var(--text-8-height);
  letter-spacing: var(--text-8-spacing);
  font-style: var(--text-8-italic-style);
}

.articles__text {
  color: var(--text-title);
  font-family: var(--text-6-family);
  font-size: var(--text-6-size);
  font-weight: var(--text-6-weight);
  line-height: var(--text-6-height);
  letter-spacing: var(--text-6-spacing);
  text-decoration: underline var(--underline-color) 0.3rem;
}

/* BLOG */

.blog {
  max-width: 60rem;
}

.blog__title {
  color: var(--text-title);
  font-family: var(--text-2-family);
  font-size: var(--text-2-size);
  font-weight: var(--text-2-weight);
  line-height: var(--text-2-height);
  letter-spacing: var(--text-2-spacing);
  position: relative;
  width: fit-content;
  margin-bottom: 0.6rem;
}

.blog__title::before {
  content: "";
  position: absolute;
  bottom: 0.8rem;
  right: calc(-1rem + -4rem);
  height: 0.3rem;
  width: 4rem;
  background-color: var(--underline-color);
}

.blog__text {
  color: var(--text-body);
  font-family: var(--text-7-family);
  font-size: var(--text-7-size);
  font-weight: var(--text-7-weight);
  line-height: var(--text-7-height);
  letter-spacing: var(--text-7-spacing);
  margin-bottom: 2.4rem;
}

.blog__articles {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  padding-top: 2rem;
}

.blog__article-title {
  color: var(--text-title);
  font-family: var(--text-5-family);
  font-size: var(--text-5-size);
  font-weight: var(--text-5-weight);
  line-height: var(--text-5-height);
  letter-spacing: var(--text-5-spacing);
  margin-bottom: 0.8rem;
}

.blog__article-date {
  color: var(--text-body);
  font-family: var(--text-8-family);
  font-size: var(--text-8-size);
  font-weight: var(--text-8-weight);
  line-height: var(--text-8-height);
  letter-spacing: var(--text-8-spacing);
  font-style: var(--text-8-italic-style);
  margin-bottom: 0.8rem;
}

.blog__article-description {
  color: var(--text-body);
  font-family: var(--text-7-family);
  font-size: var(--text-7-size);
  font-weight: var(--text-7-weight);
  line-height: var(--text-7-height);
  letter-spacing: var(--text-7-spacing);
}

/* ABOUT */

.about {
  max-width: 60rem;
}

.about__title {
  color: var(--text-title);
  font-family: var(--text-2-family);
  font-size: var(--text-2-size);
  font-weight: var(--text-2-weight);
  line-height: var(--text-2-height);
  letter-spacing: var(--text-2-spacing);
  margin-bottom: 2.4rem;
  position: relative;
  width: fit-content;
  z-index: 1;
}

.about__title::before {
  content: "";
  position: absolute;
  bottom: 0.4rem;
  left: 0rem;
  height: 0.8rem;
  width: 100%;
  background-color: var(--underline-color);
  z-index: -1;
}

.about__text {
  color: var(--text-body);
  font-family: var(--text-7-family);
  font-size: var(--text-7-size);
  font-weight: var(--text-7-weight);
  line-height: var(--text-7-height);
  letter-spacing: var(--text-7-spacing);
  margin-bottom: 2.4rem;
}

.about__list {
  color: var(--text-body);
  font-family: var(--text-7-family);
  font-size: var(--text-7-size);
  font-weight: var(--text-7-weight);
  line-height: var(--text-7-height);
  letter-spacing: var(--text-7-spacing);
  margin-bottom: 2.4rem;
  padding-left: 2.5rem;
}

.about__list span {
  font-weight: var(--text-7-semibold-weight);
}

.about__item {
  list-style: disc;
}

.about__item::marker {
  color: var(--text-body);
  font-family: var(--text-7-family);
  font-size: var(--text-7-size);
  font-weight: var(--text-7-semibold-weight);
  line-height: var(--text-7-height);
  letter-spacing: var(--text-7-spacing);
}

.about__img {
  border-radius: 1.2rem;
  margin-bottom: 2.4rem;
}

.about__socials {
  color: var(--text-title);
  font-family: var(--text-4-family);
  font-size: var(--text-4-size);
  font-weight: var(--text-4-weight);
  line-height: var(--text-4-height);
  letter-spacing: var(--text-4-spacing);
  margin-bottom: 1.6rem;
}

.about__socials-list {
  display: flex;
  gap: 1.2rem;
}

.about__social {
  background-color: var(--background-btn-color);
  border-radius: 1rem;
  border: 0.1rem solid var(--border-color);
  padding: 1.2rem;
}

/* NEWSLETTER */

.newsletter {
  max-width: 60rem;
}

.newsletter__title {
  color: var(--text-title);
  font-family: var(--text-2-family);
  font-size: var(--text-2-size);
  font-weight: var(--text-2-weight);
  line-height: var(--text-2-height);
  letter-spacing: var(--text-2-spacing);
  margin-bottom: 1.6rem;
}

.newsletter__text {
  color: var(--text-body);
  font-family: var(--text-7-family);
  font-size: var(--text-7-size);
  font-weight: var(--text-7-weight);
  line-height: var(--text-7-height);
  letter-spacing: var(--text-7-spacing);
  margin-bottom: 1.6rem;
}

.newsletter__your-journey {
  color: var(--text-title);
  font-family: var(--text-5-family);
  font-size: var(--text-5-size);
  font-weight: var(--text-5-weight);
  line-height: var(--text-5-height);
  letter-spacing: var(--text-5-spacing);
  margin-bottom: 2.4rem;
}

.newsletter__form {
  display: flex;
  flex-direction: column;
}

.newsletter__label {
  color: var(--text-label);
  font-family: var(--text-7-family);
  font-size: var(--text-7-size);
  font-weight: var(--text-7-weight);
  line-height: var(--text-7-height);
  letter-spacing: var(--text-7-spacing);
  margin-bottom: 0.6rem;
}

.newsletter__email {
  margin-bottom: 1.6rem;
  width: 100%;
}

.newsletter__input {
  background-color: var(--background-input-color);
  padding: 1.2rem 1.6rem;
  color: var(--text-input);
  font-family: var(--text-7-family);
  font-size: var(--text-7-size);
  font-weight: var(--text-7-weight);
  line-height: var(--text-7-height);
  letter-spacing: var(--text-7-spacing);
  border-radius: 1rem;
  border: 0.1rem solid var(--border-input-color);
  width: 100%;
}

.newsletter__input.success {
  border: 0.1rem solid var(--border-success-color);
}

.newsletter__input.error {
  border: 0.1rem solid var(--border-error-color);
}

.newsletter__text-success {
  display: none;
  color: var(--text-success);
  font-family: var(--text-8-family);
  font-size: var(--text-8-size);
  font-weight: var(--text-8-weight);
  line-height: var(--text-8-height);
  letter-spacing: var(--text-8-spacing);
  margin-top: 0.6rem;
}

.newsletter__text-success.visible {
  display: block;
}

.newsletter__text-success::before {
  content: url(../assets/images/icon-success.svg);
  margin-right: 0.8rem;
}

.newsletter__text-error {
  display: none;
  color: var(--text-error);
  font-family: var(--text-8-family);
  font-size: var(--text-8-size);
  font-weight: var(--text-8-weight);
  line-height: var(--text-8-height);
  letter-spacing: var(--text-8-spacing);
  margin-top: 0.6rem;
}

.newsletter__text-error.visible {
  display: block;
}

.newsletter__text-error::before {
  content: url(../assets/images/icon-error.svg);
  margin-right: 0.8rem;
}

.newsletter__input::placeholder {
  color: var(--text-placeholder);
  font-family: var(--text-7-family);
  font-size: var(--text-7-size);
  font-weight: var(--text-7-weight);
  line-height: var(--text-7-height);
  letter-spacing: var(--text-7-spacing);
}

#newsletter__submit {
  color: var(--text-news-btn);
  font-family: var(--text-6-family);
  font-size: var(--text-6-size);
  font-weight: var(--text-6-weight);
  line-height: var(--text-6-height);
  letter-spacing: var(--text-6-spacing);
  padding: 1.2rem 2.4rem;
  align-self: flex-start;
  background-color: var(--background-btn-news-color);
  border-radius: 1rem;
  margin-bottom: 0.8rem;
}

.newsletter__form-text {
  color: var(--text-body);
  font-family: var(--text-8-family);
  font-size: var(--text-8-size);
  font-weight: var(--text-8-weight);
  line-height: var(--text-8-height);
  letter-spacing: var(--text-8-spacing);
}

/* FOOTER */

.footer {
  position: relative;
  max-width: 64rem;
  padding: 0 2rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin: calc(1.6rem + clamp(3.2rem, 1.371rem + 2.381vw, 4.8rem)) auto
    clamp(0rem, -0.563rem + 1.502vw, 1.6rem);
}

.footer::before {
  content: "";
  position: absolute;
  bottom: calc(1.6rem + 2.1rem);
  left: 50%;
  transform: translateX(-50%);
  height: 0.1rem;
  width: calc(100% - 4rem);
  background-color: var(--border-color);
}

.footer__text {
  color: var(--text-body);
  font-family: var(--text-8-family);
  font-size: var(--text-8-size);
  font-weight: var(--text-8-weight);
  line-height: var(--text-8-height);
  letter-spacing: var(--text-8-spacing);
  margin-right: auto;
}

.footer__list {
  display: flex;
  gap: 1.6rem;
}

/* ATTRIBUTION */

.attribution {
  font-size: 1.1rem;
  color: var(--text-body);
  text-align: center;
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  background-color: hsla(0, 0%, 100%, 40%);
  padding: 1rem;
  border-radius: 1rem;
  z-index: 2;
}

.attribution__link {
  color: var(--blue-500);
}

.attribution__link:hover,
.attribution__link:focus {
  color: var(--blue-700);
}

.attribution__link:focus {
  box-shadow: 0rem 0rem 0rem 0.2rem #fbf9f7, 0rem 0rem 0rem 0.4rem #5792c0;
  border-radius: 0.4rem;
}