@layer global {
  @font-face {
    font-family: "Inter";
    src: url("/assets/fonts/inter-var.woff2") format("woff2");
    font-weight: 100 900;
    font-display: swap;
    font-style: normal;
  }

  /* text */
  :root {
    --line-height-body: 1.6;
    --line-height-heading: 1.2;

    --font-size-body-xs: calc(var(--font-size-body) * 0.88);
    --font-size-body: clamp(0.9rem, 0.8462rem + 0.2051vw, 1rem);
    --font-size-h3: calc(var(--font-size-body) * 1.2);
    --font-size-h2: calc(var(--font-size-body) * 1.6);
    --font-size-h1: calc(var(--font-size-body) * 2);

    --ch-width-body: 75ch;
  }

  /* Spacing */
  :root {
    --space-xxs: 0.25rem;
    --space-xs: 0.5rem;
    --space-s: 1rem;
    --space-m: 2rem;
    --space-l: 4rem;

    @media (width >= calc(600 / 16 * 1rem)) {
      --space-xxs: 0.5rem;
      --space-xs: 1rem;
      --space-s: 2rem;
      --space-m: 4rem;
      --space-l: 8rem;
    }
  }

  /* colors */
  :root {
    --color-error: oklch(66.198% 0.2246 25.107);

    --bg-dark: oklch(12% 0.00385 285.998);
    --bg-dark-shadow: oklch(from var(--bg-dark) 8% c h);
    --bg: oklch(from var(--bg-dark) 25% c h);
    --bg-light: oklch(from var(--bg-dark) 30% c h);

    --text: oklch(98% 0 0);
    --text-muted: oklch(from var(--text) l c h / 0.6);
  }

  /* Utilities */

  :root {
    /* shadows */
    --shadow-interactive:
      0 1px 3px oklch(0% 0 0 / 0.24), 0 1px 2px oklch(0% 0 0 / 0.36);

    /* transition */
    --transition: all 0.3s cubic-bezier(0.36, -0.05, 0.07, 1);
    --transition-long: all 2s cubic-bezier(0.25, 0.8, 0.25, 1);

    /* transform */
    --transform-scale-s: scale(1.05);
    --transform-scale-m: scale(1.15);

    /* border radius */
    --border-radius-out: 4px;
    --border-radius-in: 2px;
  }

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

  * {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 300;
    transition: var(--transition);
    font-size: var(--font-size-body);

    &:hover {
      color: var(--text);
      transform: var(--transform-scale-s);
    }
  }

  img,
  picture,
  svg,
  video {
    width: 100%;
    display: block;
    height: auto;
  }

  html,
  body {
    color: var(--text);
    font-family:
      "Inter",
      -apple-system,
      BlinkMacSystemFont,
      "Segoe UI",
      Roboto,
      sans-serif;
    line-height: var(--line-height-body);
    letter-spacing: 0.02em;
  }

  html {
    scrollbar-gutter: stable;
    background-color: var(--bg-dark);
    scroll-behavior: smooth;
  }

  body {
    display: grid;
    min-height: 100dvh;
    grid-template-rows: auto 1fr auto;
    gap: var(--space-m);
    padding-block: var(--space-m);
    overflow-x: clip;
  }

  h1,
  h2,
  h3 {
    font-weight: 600;
    line-height: var(--line-height-heading);
    text-wrap: balance;
  }

  h1 {
    font-size: var(--font-size-h1);
  }

  h2 {
    font-size: var(--font-size-h2);
  }

  h3 {
    font-size: var(--font-size-h3);
  }

  p {
    font-size: var(--font-size-body);
    text-wrap: pretty;
    font-weight: 300;
    max-width: var(--ch-width-body);
  }

  .wrapper {
    width: min(calc(100% - 64px), calc(1400 / 16 * 1rem));
    margin-inline: auto;
  }

  main {
    align-self: center;
  }

  form {
    .btn-primary {
      margin-block-start: var(--space-xs);
      &:focus {
        outline: none;
      }
    }

    @media (width >= calc(600 / 16 * 1rem)) {
      .btn-primary {
        width: fit-content;
      }
    }
  }

  input,
  button,
  select,
  textarea {
    font: inherit;
    color: inherit;
    appearance: none;
  }

  input,
  textarea {
    background-color: var(--bg);
    border: none;
    color: var(--text);
    padding: 0.8rem;
    border-radius: var(--border-radius-in);

    &:focus {
      outline: 2px solid var(--text-muted);
    }
  }

  input:user-invalid,
  textarea:user-invalid {
    outline: 2px solid var(--color-error);
    outline-offset: 2px;
  }

  textarea {
    resize: block;
    box-sizing: content-box;
    height: 3lh;
  }

  footer {
    color: var(--text-muted);

    .wrapper {
      display: grid;
      row-gap: var(--space-s);
      justify-items: center;
    }

    p {
      font-size: var(--font-size-body-xs);
      width: fit-content;
      text-align: center;
    }
  }

  .layout-spacing {
    display: grid;
    gap: var(--space-m);
  }

  .btn-primary {
    display: block;
    padding: 0.75rem 1.875rem;
    background-color: var(--text);
    color: var(--bg-dark);
    cursor: pointer;
    font-weight: 600;
    border-radius: var(--border-radius-in);
    border: 1px solid transparent;
    box-shadow:
      inset 0px 1px 1px rgba(255, 255, 255, 0.15),
      0 1px 5px var(--bg-dark-shadow);
    transition: var(--transition);

    &:active {
      background-color: transparent;
      color: var(--text);
      border-color: var(--text);
    }

    @media (hover: hover) {
      &:hover {
        transform: none;
        background-color: transparent;
        color: var(--text);
        border-color: var(--text);
      }
    }
  }
}

@layer components {
  .header__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .logo {
    font-weight: 600;
    color: var(--text);
    max-width: max(167px, 40vw);
    font-size: calc(var(--font-size-body) * 1.24);
    line-height: 1.2;
    transform: none;
    text-wrap: balance;
  }

  /* Desktop nav */
  .desktop-nav {
    display: none;
  }

  .nav__list {
    display: flex;
    gap: var(--space-s);
    align-items: center;
  }

  .nav__link {
    padding: 0.5rem 0;
    position: relative;
    display: inline-block;
  }

  /* Hamburger */
  .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 2rem;
    height: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 102;
    position: relative;
  }

  .hamburger__line {
    width: 1.5rem;
    height: 2px;
    background-color: var(--text);
    margin: 2px 0;
    transition: all 0.3s ease;
    transform-origin: center;
  }

  .hamburger.active > :first-child {
    transform: rotate(45deg) translate(4px, 4px);
  }

  .hamburger.active > :nth-child(2) {
    opacity: 0;
  }

  .hamburger.active > :last-child {
    transform: rotate(-45deg) translate(4px, -4px);
  }

  /* Mobile menu overlay */
  .mobile-menu {
    position: fixed;
    inset: 0;
    background-color: var(--bg-dark);
    z-index: 101;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;

    a {
      font-size: var(--font-size-h2);
    }
  }

  .mobile-menu.active {
    opacity: 1;
    visibility: visible;
  }

  .mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-l);
    text-align: center;
  }

  body.menu-open {
    position: fixed;
    width: 100%;
    height: 100%;
    overflow: hidden;
  }

  .projects {
    --min-col-size: 320px;

    display: grid;
    grid-template-columns: repeat(
      auto-fill,
      minmax(
        min(max(var(--min-col-size), (100% - 2 * var(--space-m)) / 3), 100%),
        1fr
      )
    );
    gap: var(--space-m);

    picture {
      overflow: hidden;
    }
  }

  /* .projects__card {
    padding: var(--space-s) var(--space-s) var(--space-l) var(--space-s);
    background-color: var(--bg-dark);
    border-radius: var(--border-radius-in);
    box-shadow:
      inset 0px 1px 1px rgba(255, 255, 255, 0.15),
      0 1px 50px 15px var(--bg-dark-shadow);

    background-color: var(--bg-dark);
    border-radius: var(--border-radius-in);
    box-shadow:
      inset 0px 1px 1px rgba(255, 255, 255, 0.15),
      0 1px 50px 15px var(--bg-dark-shadow);
  } */

  .projects__image {
    aspect-ratio: 4/5;
    object-fit: cover;
    object-position: center;
    transition: var(--transition);
    border-radius: var(--border-radius-in);

    @media (width >= calc(600 / 16 * 1rem)) {
      aspect-ratio: 2/1;
    }

    &:hover {
      transform: scale(1.05);
    }
  }

  .projects__description {
    margin-block-start: var(--space-s);
    display: grid;

    p {
      color: var(--text-muted);
      line-height: 1.8;
    }

    a {
      font-size: var(--font-size-h3);
      color: var(--text);
      width: fit-content;
      margin-block-start: var(--space-xxs);

      &:hover {
        font-weight: 600;
        transform: none;
      }
    }

    @media (width >= calc(600 / 16 * 1rem)) {
      margin-block-start: var(--space-xs);

      h3 {
        font-size: var(--font-size-body);
      }

      p {
        font-size: var(--font-size-body-xs);
      }

      a {
        font-size: var(--font-size-body);
      }
    }
  }

  .gallery {
    img {
      object-fit: cover;
      object-position: center;
      aspect-ratio: 4/5;
      border-radius: var(--border-radius-in);

      @media (width >= calc(600 / 16 * 1rem)) {
        aspect-ratio: 2/1;
      }
    }
  }

  .gallery__description {
    padding-block: var(--space-m);
    display: grid;
    gap: var(--space-xs);
  }

  .img-gallery {
    --min-col-size: 320px;

    display: grid;
    grid-template-columns: repeat(
      auto-fill,
      minmax(
        min(max(var(--min-col-size), (100% - 2 * var(--space-s)) / 3), 100%),
        1fr
      )
    );
    gap: var(--space-s);

    img {
      aspect-ratio: 4/5;
      object-position: center;
      object-fit: cover;
    }
  }

  .about__sections {
    display: grid;
    gap: var(--space-xxs);
    max-width: var(--ch-width-body);
  }

  .about__subtext {
    color: var(--text-muted);
    font-size: var(--font-size-body-xs);
  }

  .about__img {
    border-radius: var(--border-radius-in);

    @media (width >= calc(755 / 16 * 1rem)) {
      img {
        max-width: 50%;
        aspect-ratio: 1/1;
        object-position: center;
        object-fit: cover;
      }
    }
  }

  .contactform__intro {
    display: grid;
    gap: var(--space-xxs);
  }

  .contact-form {
    display: grid;
    max-width: var(--ch-width-body);
    gap: var(--space-xs);
  }

  .contact-form__name,
  .contact-form__email,
  .contact-form__message {
    display: grid;
    gap: var(--space-xs);
  }

  .contact-form__legal {
    color: var(--text-muted);
    font-size: var(--font-size-body-xs);
  }

  .contact-form__field-error {
    display: none;
    font-size: var(--font-size-body-xs);
    color: var(--color-error);

    input:user-invalid ~ &,
    textarea:user-invalid ~ & {
      display: block;
      animation: fadeIn 0.3s ease;
    }
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(-5px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .footer__icons {
    display: flex;
    gap: var(--space-s);
    /* justify-content: center; */
    align-items: center;

    a {
      color: var(--text-muted);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
    }

    a:hover {
      color: var(--text);
      transform: var(--transform-scale-m);
    }

    img,
    svg {
      width: calc(20 / 16 * 1rem);
      height: calc(20 / 16 * 1rem);
    }
  }

  .layout-spacing {
    display: grid;
    gap: var(--space-m);
  }

  /* Scroll to Top Button */
  .page-return {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--text);
    color: var(--bg-dark);
    border: none;
    cursor: pointer;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    padding: 0;
    box-shadow: var(--shadow-interactive);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
  }

  .page-return.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  @media (hover: hover) {
    .page-return:hover {
      background-color: var(--bg);
      color: var(--text);
      transform: translateY(-4px);
    }
  }

  .page-return__arrow {
    display: block;
    width: 20px;
    height: 20px;
  }

  /* Responsive adjustments */

  @media (width >= calc(755 / 16 * 1rem)) {
    .page-return {
      bottom: 1.5rem;
      right: 1.5rem;
      width: 44px;
      height: 44px;
      font-size: 1.25rem;
    }
  }

  @media (width >= calc(755 / 16 * 1rem)) {
    .desktop-nav {
      display: block;
    }

    .hamburger {
      display: none;
    }
  }
}

@layer utility {
  .animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);

    transition:
      opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
      transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .animate-on-scroll.show {
    opacity: 1;
    transform: translateY(0);
  }
}