/* Bitter (variable) */
@font-face {
  font-family: 'Bitter';
  src: url('fonts/Bitter-VariableFont_wght.woff2') format('woff2');
  font-weight: 300 900;
  font-style: normal;
  font-display: swap;
}

/* Montserrat (variable) */
@font-face {
  font-family: 'Montserrat';
  src: url('fonts/Montserrat-VariableFont_wght.woff2') format('woff2');
  font-weight: 400 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --dark: #180726;
  --dark-purple: #380951;
  --light: #f9fcfc;
  --pink: #f593c5;
  --pink-darker: #d03594;
  --lilac: #ae9ed8;
  --light-lilac: #cfc6e8;

  --bg-color: var(--light);
  --text-color: var(--dark);
  --border-color: var(--dark);
  --highlight-color: var(--lilac);

  --link-bg: var(--light-lilac);
  --link-color: var(--dark);

  --font-family-heading: 'Bitter', serif;
  --font-family-body: 'Montserrat', serif;
  --font-family-subtitles: 'Montserrat', sans-serif;
  --font-size: 16px;
  --small-font-size: 0.8rem;

  --body-bold: 700;
  --body-light: 300;

  --dark-btn-weight: var(--body-light);
  --light-btn-weight: var(--body-bold);

  --content-max-width: clamp(20ch, 80vw, 100ch);
  --element-margin: clamp(1rem, 5vw, 2rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: var(--dark);
    --text-color: var(--light);
    --border-color: var(--lilac);
    --highlight-color: var(--lilac);
    --dark-btn-weight: var(--body-bold);
    --light-btn-weight: var(--body-light);
  }
}

.dark-theme {
  --bg-color: var(--dark);
  --text-color: var(--light);
  --border-color: var(--lilac);
  --highlight-color: var(--lilac);
  --dark-btn-weight: var(--body-bold);
  --light-btn-weight: var(--body-light);

  .logo-light-mode {
    display: none;
  }
}
.light-theme {
  --bg-color: var(--light);
  --text-color: var(--dark);
  --border-color: var(--dark);
  --highlight-color: var(--pink-darker);
  --dark-btn-weight: var(--body-light);
  --light-btn-weight: var(--body-bold);
  
  .logo-dark-mode {
    display: none;
  }
}

html, body {
  height: 100%;
  margin: 0;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-family-body);
  font-size: var(--font-size);
  font-weight: var(--body-light);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.site-wrapper {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 100vh;
}

h1 {
  font-family: var(--font-family-heading);
  font-size: clamp(3rem, 10vw, 5rem);
  letter-spacing: 1px;
  line-height: 1;
  margin: 0;
  margin-bottom: var(--element-margin);
}

h2 {
  font-family: var(--font-family-heading);
  font-weight: 700;
  letter-spacing: 1px;
  margin-top: 3rem;
}

p {
  line-height: 1.5;
}

.ingress {
  font-weight: var(--body-bold);
  font-size: clamp(0.9rem, 5vw, 1.2rem);
  line-height: 1.6;
}

main,
footer {
  a {
    background-color: var(--link-bg);
    font-weight: 600;
    text-decoration: underline;
    color: var(--link-color);
    padding: 1px 5px;
    transition: background-color 0.1s ease, color 0.1s ease;
  }

  a:is(:hover, :focus, :active) {
    background-color: var(--dark);
    color: var(--light);
  }
  a:focus-within {
    outline: 2px solid var(--border-color);
  }

  .footer-links {
    font-size: 0.8rem;
  }
}

header {
    border-bottom: 1px solid var(--border-color);
}

.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: auto;
  max-width: var(--content-max-width);
}

.logo {
  display: flex;
  align-items: center;

  a {
    text-decoration: none;

    &:is(:hover, :focus, :active, :focus-visible) .logo-company {
      outline: 2px solid var(--border-color);
    }
  }

  .logo-company {
    color: var(--text-color);
    font-family: var(--font-family-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-right: 1rem;
    padding: 0.5rem;
    text-transform: lowercase;
  }
}

.header-tags {
  display: none;
}

.header-tags-mobile {
    background-color: var(--background-color);
    color: var(--highlight-color);
    font-size: var(--small-font-size);
    font-weight: var(--body-bold);
    letter-spacing: 1px;
    line-height: 1.8;
    padding: 0.5rem;
    margin-bottom: var(--element-margin);
}

@media (min-width: 1024px) {
  .header-tags-mobile {
    display: none;
  }

  .header-tags {
    display: flex;
    text-transform: uppercase;
    color: var(--pink-darker);
    font-size: var(--small-font-size);
    font-weight: var(--body-bold);
    letter-spacing: 1px;
    margin: var(--element-margin) 0;

    .tag {
      margin: 1rem;
      padding: 0.5rem;
      background-color: var(--background-color);
      color: var(--highlight-color);
    }

    .tag:first-child {
      margin-left: 0;
      padding-left: 0.4rem;
    }

    .tag::before {
      content: '';
      display: inline-block;
      background-color: var(--highlight-color);
      border-radius: 50%;
      height: 1.2rem;
      width: 1.2rem;
      margin-right: 5px;
      vertical-align: middle;
    }
  }
}

main {
  flex: 1;

  header,
  section {
    margin: var(--element-margin) 0;
  }
}

main,
.footer-content {
  container-type: inline-size;
  container-name: content-wrapper;
  margin-inline: auto;
  max-width: var(--content-max-width);
  width: 100%;
}

main header {
  border: none;
}

.two-column {
  display: grid;
  gap: 2rem;
  container-type: inline-size;
  container-name: main-layout;
}
.two-column aside {
  display: flex;
  flex-flow: row wrap;
  text-align: center;

  p {
    margin-top: 0;
  }
}

.two-column section,
.two-column aside {
  grid-column: 1;
}

hr {
  border: none;
  border-top: 1px solid var(--highlight-color);
  margin: var(--element-margin) 0;
}

section, aside {
  h2, p {
    &:first-child {
      margin-top: 0;
    }
  }
  p:last-child {
    margin-bottom: 0;
  }
}

@container main-layout (min-width: 600px) {
  .two-column {
    grid-template-columns: 2fr 1fr;
  }

  .two-column section {
    grid-column: 1;
    min-width: 40vw;
  }

  .two-column aside {
    grid-column: 2;
    min-width: 20vw;
    padding: 1rem 0 0 1rem; 
  }
}

button {
  background-color: transparent;
  border: none;
  border-radius: 0;
  color: var(--text-color);
  cursor: pointer;
  font-family: var(--font-family-subtitles);
  font-size: var(--small-font-size);
  font-weight: var(--body-light);
  padding: 0 0.5rem;

  &:is(:hover, :focus, :active) {
    text-decoration: underline;
  }

  &#theme-toggle-light {
    font-weight: var(--light-btn-weight);
  }
   &#theme-toggle-dark {
    font-weight: var(--dark-btn-weight);
  }
}

.highlight {
  background-color: var(--background-color);
  color: var(--text-color);
  font-weight: var(--body-bold);
  line-height: 1.5;
  margin: 2rem 0;
}

/* Footer */
footer {
  background-color: var(--dark);
  border-top: 1px solid var(--lilac);
  color: var(--light);
  margin-top: var(--element-margin);
  padding-top: var(--element-margin);
}

footer span {
  display: block;
  margin: 1rem 0;

  &:first-of-type {
    padding-left: 0;
  }

  &:last-of-type {
    border-right: none;
  }
}

.footer-links {
  display: flex;
  flex-flow: row wrap;
  align-items: center;
  gap: 1rem;
  padding-block: 1rem;
  margin-top: 4rem;

  img {
    object-fit: contain;
  }

  img.invert {
    filter: invert(1);
  }

  p {
    max-width: 500px;
  }
}

footer a {
  background-color: transparent;
  color: var(--pink);
  font-weight: normal;
  text-decoration: none;

  &:is(:hover, :focus, :active) {
    color: var(--light);
    background-color: var(--pink-darker);
  }

  &:focus-visible {
    outline: 2px solid var(--pink);
  }
}

@media (min-width: 600px) {
  footer {
    padding-top: 0;
  }

  footer span {
    border-right: 1px solid var(--light);
    display: inline-block;
    padding: 0 1rem;
  }
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--bg-color, #fff);
  color: var(--text-color, #000);
  padding: 0.5rem 1rem;
  z-index: 100;
  text-decoration: none;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

/* Theme toggle */
.theme-toggle {
  display: inline-block;
  position: relative;

  .moon, .sun {
    height: 22px;
    width: 22px;
  }

  &:is(:hover, :focus, :active) .theme-toggle-label {
    outline: 2px solid var(--border-color);
  }
}

.theme-toggle svg {
  stroke: var(--dark);
}

.light-theme .theme-toggle svg {
  stroke: var(--light);
}

.theme-toggle-checkbox {
  opacity: 0;
  position: absolute;

  &:is(:focus-visible, :hover, :active, :focus) + .theme-toggle-label {
    outline: 2px solid var(--pink);
    outline-offset: 2px;
  }
}

.theme-toggle-label {
  background-color: var(--text-color);
  width: 55px;
  height: 20px;
  border-radius: 60px;
  position: relative;
  padding: 5px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.theme-toggle-label .ball {
  background-color: var(--bg-color);
  width: 24px;
  height: 24px;
  position: absolute;
  left: 4px;
  top: 3px;
  border-radius: 50%;
  transition: transform 0.2s linear;
}

.theme-toggle-checkbox:checked + .theme-toggle-label .ball {
  transform: translateX(35px);
}

/* Contact info */
.contact-image {
  img {
    border-radius: 50%;
    width: 100%;
    height: auto;
    min-width: 300px;
    max-width: 600px;
    object-fit: contain;
    display: block;
    margin: auto;
  }
}

/* Screen readers only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}