@layer reset, base, layout, components, utilities, general;

@layer reset {
  :root {
    --hsl-primary-100: 220, 96%, 46%;
    --hsl-primary-400: 220, 96%, 18%;

    --hsl-secondary-200: 146, 96%, 48%;

    --hsl-neutral-100: 0, 0%, 100%;

    --clr-primary-100: hsl(var(--hsl-primary-100));
    --clr-primary-200: #0339a6;
    --clr-primary-300: #022366;
    --clr-primary-400: hsl(var(--hsl-primary-400));
    --clr-primary-500: #011640;

    --clr-secondary-200: hsl(var(--hsl-secondary-200));
    --clr-secondary-300: #04b34f;
    --clr-secondary-400: #03a64a;
    --clr-secondary-500: #038c3e;
    --clr-secondary-600: #02662d;

    --clr-neutral-100: hsl(var(--hsl-neutral-100));
    --clr-neutral-200: hsl(0, 0%, 95%);
    --clr-neutral-300: hsl(0, 0%, 90%);
    --clr-neutral-900: hsl(0, 0%, 20%);
    --clr-neutral-950: hsl(0, 0%, 0%);

    --fs-small: clamp(0.5rem, 5vw, 0.75rem);
    --fs-regular: clamp(0.75rem, 5vw, 1rem);
    --fs-large: clamp(1.25rem, 4vw, 1.5rem);
    --fs-xl: clamp(1.75rem, 5vw, 2rem);
    --fs-2xl: clamp(1.75rem, 5vw, 2.5rem);
    --fs-3xl: clamp(1.75rem, 5vw, 3rem);
    --fs-4xl: clamp(1.75rem, 5vw, 3.5rem);

    --global-space: 1em;

    --shadow-sm: 1px 1px 10px hsl(0, 0%, 0%, 0.1);

    --border-radius: 0.25em;

    --z-header: 500;
  }

  html {
    scroll-behavior: smooth;
  }

  * {
    margin: 0;
    padding: 0;
  }

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

  a[class] {
    color: inherit;
    text-decoration: none;
  }

  img,
  picture {
    display: block;
    max-width: 100%;
  }

  button,
  input,
  select,
  textarea {
    font: inherit;
  }

  button {
    cursor: pointer;
  }

  address {
    word-break: break-all;
  }
}

@layer base {
  body {
    --text-color-main: var(--clr-neutral-950);
    --text-color-alternative: var(--clr-neutral-100);

    color: var(--text-color-main);

    font-family: sans-serif;

    text-rendering: optimizeSpeed;

    isolation: isolate;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    font-family: serif;
  }

  main {
    min-height: 100vh;
  }
}

@layer layout {
  #main-header {
    position: relative;

    isolation: isolate;

    z-index: var(--z-header);
  }
  #main-header .wrapper {
    display: flex;
    flex-flow: row wrap;
    align-items: center;
    justify-content: flex-start;
  }
  #main-header .call-to-action {
    display: flex;
  }
  #main-header :where(.geo, .cta) {
    align-items: center;
  }
  #primary-navigation-toggle {
    display: none;
  }
  #main-header [data-with-dropdown] {
    position: relative;
  }
  #main-header [data-with-dropdown] button {
    display: none;
  }
  #main-header :where(.sub-menu, .sub-menu a) {
    grid-column-start: 1;
    grid-column-end: -1;
  }
  @media screen and (width >= 768px) {
    #main-header .call-to-action {
      display: none;
    }
    #main-header .sub-menu {
      display: none;

      position: absolute;
      top: 100%;
      left: 0%;

      width: max-content;
    }
    #main-header [data-with-dropdown]:hover .sub-menu {
      display: block;
    }
  }
  @media screen and (width < 768px) {
    #main-header {
      position: sticky;
      inset-inline: 0px;
      inset-block-start: 0px;
    }

    #main-header :where(.geo, .cta) {
      display: none !important;
    }
    #primary-navigation-toggle {
      display: block;
    }
    #primary-navigation.shown {
      position: absolute;
      top: 100%;
      inset-inline: 0;
    }
    #primary-navigation.shown .main-menu {
      display: flex;
      flex-flow: column nowrap;
      align-items: stretch;
    }
    #main-header [data-with-dropdown] button {
      display: block;
    }
    :where(#primary-navigation, #main-header .sub-menu) li {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      grid-template-rows: auto;
    }
    :where(#primary-navigation, #main-header .sub-menu).hidden {
      display: none;
    }
    :where(#primary-navigation, #main-header .sub-menu).shown {
      display: block;
    }
  }

  #main-footer .columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--global-space);
  }
  #main-footer .columns > * {
    flex: 1 1 auto;
  }
  #copyright-notice {
    text-align: center;
  }
}

@layer components {
  .logo {
    --text-color-main: var(--clr-primary-400);
    --text-color-alternative: var(--clr-neutral-100);

    font-size: var(--fs-2xl);
    line-height: 1;
  }
  .logo img {
    max-width: 1.75em;
    width: 100%;

    margin-inline: auto;
  }
  .logo h1 {
    font-size: inherit;
    text-transform: uppercase;
    color: var(--text-color-main);
  }
  .logo h1 span {
    color: var(--clr-secondary-400);
  }
  .logo p {
    font-size: clamp(0.8rem, 25%, 1.5rem);
    font-family: "Comic Neue", cursive;
  }
  .logo:hover {
    filter: brightness(1.2);
  }

  .image-loader {
    --image-position: center;

    position: relative;

    background-size: cover;
    background-position: var(--image-position);

    overflow: hidden;
    isolation: isolate;
  }
  .image-loader:not(.loaded) {
    background-blend-mode: overlay;
    animation: pulse 1.5s ease-in-out infinite alternate;
  }
  .image-loader img {
    position: absolute;
    inset: 0;

    object-fit: cover;
    object-position: var(--image-position);

    width: 100%;
    height: 100%;

    opacity: 0;
    transition: opacity 200ms ease-in-out;
  }
  .image-loader.loaded img {
    opacity: 1;
  }
  @keyframes pulse {
    from {
      background-color: hsl(0, 0%, 0%, 0);
    }

    to {
      background-color: hsl(0, 0%, 0%, 0.3);
    }
  }

  .page-header {
    padding-block: calc(var(--global-space) * 2);
  }

  .page-title {
    font-size: var(--fs-3xl);
    color: var(--clr-primary-400);
  }

  .button {
    display: inline-block;

    --button-border-size: 2px;
    --button-border-color: var(--clr-primary-400);
    --buton-background-color: var(--clr-primary-400);
    --button-border-color-hover: var(--clr-secondary-400);
    --buton-background-color-hover: var(--clr-secondary-400);

    border-radius: var(--border-radius);
    border: var(--button-border-size) solid var(--button-border-color);
    box-shadow: var(--shadow-sm);

    padding-block: calc(var(--global-space) - var(--button-border-size));
    padding-inline: calc((var(--global-space) - var(--button-border-size)) * 2);

    font-weight: bold;
    font-size: var(--fs-regular);

    background-color: var(--buton-background-color);
  }
  .button:hover {
    border-color: var(--button-border-color-hover);
    background-color: var(--buton-background-color-hover);
  }
}

@layer utilities {
  .sr-only {
    clip: rect(1px, 1px, 1px, 1px) !important;
    border: 0 !important;
    -webkit-clip-path: inset(50%) !important;
    clip-path: inset(50%) !important;
    height: 1px !important;
    margin: -1px !important;
    overflow: hidden !important;
    padding: 0 !important;
    position: absolute !important;
    white-space: nowrap !important;
    width: 1px !important;
  }

  .wrapper {
    width: min(
      var(--max-width, 1200px),
      calc(100% - (var(--inline-margin, 2em) * 2))
    );
    margin-inline: auto;
  }
  .pulsing {
    animation: pulse 1s ease-in-out infinite alternate;
  }

  .flow > * + * {
    margin-top: var(--flow-spacer, 1em);
  }

  .flex {
    display: flex;
  }

  .ml-auto {
    margin-inline-start: auto;
  }
  .mr-auto {
    margin-inline-end: auto;
  }

  .fs-small {
    font-size: var(--fs-small);
  }
  .fs-regular {
    font-size: var(--fs-regular);
  }
  .fs-large {
    font-size: var(--fs-large);
  }
  .fs-xl {
    font-size: var(--fs-xl);
  }
  .fs-2xl {
    font-size: var(--fs-2xl);
  }
}