/* ==========================================================================
  EusebieDev portfolio — Swiss Industrial Print
  Vanilla CSS, no build step.
  Uses: @layer, nesting, subgrid, container query units, clamp(), text-wrap,
  logical properties.
  Search for "TODO" across the project to find everything still to fill in.
   ========================================================================== */

@layer reset, tokens, base, layout, components, effects;

/* --------------------------------------------------------------------------
  Fonts: self-hosted woff2 files in /assets/fonts (all OFL licensed). If one fails
  to load, the fallback stacks below are used.
   -------------------------------------------------------------------------- */
@font-face {
  font-family: 'Archivo Black';
  src:
    local('Archivo Black'),
    url('../fonts/ArchivoBlack-Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src:
    local('JetBrains Mono'),
    url('../fonts/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src:
    local('JetBrains Mono Bold'),
    url('../fonts/JetBrainsMono-Bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: 'Playfair Display';
  src:
    local('Playfair Display Black'),
    url('../fonts/PlayfairDisplay-Black.woff2') format('woff2');
  font-weight: 900;
  font-display: swap;
}

@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  * {
    margin: 0;
  }
  html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
  }
  img,
  svg {
    display: block;
    max-inline-size: 100%;
  }
  ul[role='list'],
  ol[role='list'] {
    list-style: none;
    padding: 0;
  }
  address {
    font-style: normal;
  }
  dd {
    margin: 0;
  }
}

@layer tokens {
  :root {
    color-scheme: light;

    --paper: #d9dfdc;
    --ink: #080808;
    --oxblood: #812938; /* the one accent, all sizes (about 6.7:1 on paper) */

    --font-display: 'Archivo Black', 'Arial Black', Impact, sans-serif;
    --font-mono:
      'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    --font-serif: 'Playfair Display', Georgia, serif;

    --pad: clamp(1rem, 2.5vw, 2rem);
    --rule: 1px solid var(--ink);
    --rule-heavy: 2px solid var(--ink);

    --noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }
}

@layer base {
  html {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-mono);
    font-size: 80%;
    scroll-padding-block-start: 4rem;
  }

  body {
    min-block-size: 100dvh;
    display: grid;
    grid-template-rows: auto 1fr auto;
    font-size: 0.875rem;
    line-height: 1.6;
    letter-spacing: 0.02em;
  }

  h1,
  h2,
  h3 {
    text-wrap: balance;
    font-weight: 400;
  }
  p,
  dd,
  li {
    text-wrap: pretty;
  }

  a {
    color: inherit;
    text-decoration-thickness: 2px;
    text-underline-offset: 0.25em;
  }

  :focus-visible {
    outline: 3px solid var(--oxblood);
    outline-offset: 3px;
  }

  code {
    font-family: var(--font-mono);
    font-weight: 700;
    letter-spacing: 0;
  }

  ::selection {
    background: var(--ink);
    color: var(--paper);
  }
}

@layer layout {
  /* The 1px "blueprint" grid: parent is ink, children are paper. */
  .cells {
    display: grid;
    gap: 1px;
    background: var(--ink);
    border-block-end: var(--rule-heavy);

    > * {
      background: var(--paper);
    }
  }

  /* ---------- header ---------- */
  .site-header {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    border-block-end: var(--rule-heavy);

    > * {
      display: flex;
      align-items: center;
      min-block-size: 3.5rem;
      padding-inline: var(--pad);
    }

    > * + * {
      border-inline-start: var(--rule);
    }

    .brand {
      font-size: 1.375rem;
      letter-spacing: -0.04em;
      text-decoration: none;
      flex: 1 1 auto;
    }

    nav ul {
      display: flex;
      flex-wrap: wrap;
      gap: 0;
      margin: 0;
      padding: 0;
      margin-inline: calc(var(--pad) * -1);
    }

    nav a {
      display: flex;
      align-items: center;
      min-block-size: 3.5rem;
      padding-inline: 1.25rem;
      text-decoration: none;

      &:hover {
        background: var(--ink);
        color: var(--paper);
      }
    }

    .rev {
      margin-inline-start: auto;

      a {
        text-decoration: none;
      }
    }

    @media (max-width: 40rem) {
      .rev {
        display: none;
      }
      .brand {
        flex-basis: 100%;
        border-block-end: var(--rule);
      }
      nav {
        flex: 1 1 100%;
      }
    }
  }

  /* ---------- section bar ---------- */
  .bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    min-block-size: 2.75rem;
    padding-inline: var(--pad);
    background: var(--ink);
    color: var(--paper);

    :is(h2, p) {
      font-family: var(--font-mono);
      font-size: 0.75rem;
      font-weight: 400;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }
  }

  /* ---------- hero (terminal) ---------- */
  .hero {
    padding: 1.5rem var(--pad) 2rem;
    border-block-end: 0.75rem solid var(--oxblood);

    .hero__meta {
      display: flex;
      justify-content: space-between;
      gap: 1rem;
    }

    h1 {
      margin-block: clamp(1.5rem, 3vw, 2.5rem) clamp(1rem, 2vw, 1.5rem);
      font-size: clamp(2rem, 1rem + 4vw, 4rem);
      line-height: 0.9;
      letter-spacing: -0.06em;
    }

    .hero__lines {
      display: grid;
      gap: 0.5rem;
      font-size: clamp(0.875rem, 0.7rem + 0.6vw, 1.25rem);
      letter-spacing: 0;

      > div {
        display: flex;
        inline-size: fit-content;
        max-inline-size: 100%;
      }

      dt {
        flex: 0 0 11ch;

        &::before {
          content: '$ ';
          content: '$ ' / '';
          color: var(--oxblood);
          font-weight: 700;
        }
      }
    }

    .hero__prompt {
      margin-block-start: 0.5rem;
      font-size: clamp(0.875rem, 0.7rem + 0.6vw, 1.25rem);
      line-height: 1;

      &::before {
        content: '$ ';
        content: '$ ' / '';
        color: var(--oxblood);
        font-weight: 700;
      }
    }

    .hero__cursor {
      display: inline-block;
      inline-size: 0.6ch;
      block-size: 1.1em;
      vertical-align: text-bottom;
      background: var(--oxblood);
    }
  }

  /* ---------- work index (subgrid) ---------- */
  .work {
    display: grid;
    grid-template-columns:
      [num] 5rem
      [main stack info] minmax(0, 1fr);
    margin: 0;
    border-block-end: var(--rule-heavy);

    @media (min-width: 56rem) {
      grid-template-columns:
        [num] clamp(6rem, 9vw, 9rem)
        [main] minmax(0, 1fr)
        [stack] clamp(10rem, 18vw, 18rem)
        [info] clamp(11rem, 18vw, 16rem);
    }

    > li {
      display: grid;
      grid-template-columns: subgrid;
      grid-column: 1 / -1;
      border-block-start: var(--rule);

      &:first-child {
        border-block-start: 0;
      }
    }

    article {
      display: grid;
      grid-template-columns: subgrid;
      grid-column: 1 / -1;

      > * {
        padding: 1.25rem var(--pad);
        border-inline-start: var(--rule);
      }
    }

    .entry__num {
      grid-column: num;
      grid-row: 1 / span 3;
      border-inline-start: 0;
      padding-inline: 0.75rem;
      font-family: var(--font-display);
      font-size: 2rem;
      line-height: 1;
      letter-spacing: -0.06em;
      color: transparent;
      -webkit-text-stroke: 1.5px var(--ink);

      @media (min-width: 56rem) {
        grid-row: auto;
        align-self: center;
        padding-inline: 1.5rem;
        font-size: 4rem;
        -webkit-text-stroke-width: 2px;
      }
    }

    .entry__main {
      grid-column: main;
    }
    .entry__stack {
      grid-column: stack;
      align-self: center;
      border-block-start: var(--rule);
    }
    .entry__info {
      grid-column: info;
      align-self: center;
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
      border-block-start: var(--rule);
    }

    @media (min-width: 56rem) {
      .entry__stack,
      .entry__info {
        border-block-start: 0;
      }
    }

    .entry__main {
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 0.5rem;
    }

    h3 {
      font-family: var(--font-display);
      font-size: clamp(1.25rem, 1rem + 1vw, 1.875rem);
      line-height: 1;
      letter-spacing: -0.03em;
      text-transform: uppercase;
    }

    /* featured entry: same row, oxblood numeral */
    .is-featured .entry__num {
      color: var(--oxblood);
      -webkit-text-stroke: 0;
    }
  }

  /* ---------- inventory ---------- */
  .inventory {
    margin: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));

    @media (min-width: 64rem) {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    > li {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 1.5rem;
      min-block-size: 7rem;
      padding: 1rem var(--pad);

      @media (min-width: 64rem) {
        min-block-size: 9.5rem;
      }
    }

    .inventory__name {
      font-family: var(--font-display);
      font-size: clamp(1.125rem, 0.9rem + 1vw, 2.125rem);
      line-height: 0.95;
      letter-spacing: -0.04em;
      text-transform: uppercase;
    }
  }

  /* ---------- contact ---------- */
  .contact {
    display: grid;
    gap: 1px;
    background: var(--ink);
    border-block-end: var(--rule-heavy);

    @media (min-width: 56rem) {
      grid-template-columns: 3fr 1fr 2fr;
      grid-template-rows: auto 1fr;

      .contact__cta {
        grid-column: 1;
        grid-row: 1 / 3;
      }

      address {
        grid-column: 3;
        grid-row: 1;
      }

      .contact__colophon {
        grid-column: 2 / -1;
        grid-row: 2;
      }
    }

    > * {
      background: var(--paper);
    }

    .contact__cta {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 1.5rem;
      padding: 1.75rem var(--pad);
      overflow: hidden;

      .contact__heading {
        font-size: clamp(2.5rem, 2rem + 3vw, 4rem);
        line-height: 0.95;
        letter-spacing: -0.06em;

        span {
          color: var(--oxblood);
        }
      }
    }

    .contact__halftone {
      display: none;
    }

    @media (min-width: 56rem) {
      .contact__halftone {
        display: block;
        grid-column: 2;
        grid-row: 1;
      }
    }

    address dl {
      display: grid;
      block-size: 100%;
    }

    address dl > div {
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 0.5rem;
      min-block-size: 4.5rem;
      padding: 1rem var(--pad);

      & + div {
        border-block-start: var(--rule);
      }
    }

    address dd {
      font-family: var(--font-display);
      font-size: clamp(1.125rem, 1rem + 0.6vw, 1.5rem);
      letter-spacing: -0.03em;
      text-transform: uppercase;
      overflow-wrap: anywhere;
    }

    .contact__colophon {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      align-content: center;
      gap: 1.5rem;
      padding-block: 1.75rem;
      padding-inline: var(--pad);
    }

    .contact__portrait {
      display: grid;
      gap: 1rem;
      flex: 0 0 auto;
      margin: 0;
    }

    .contact__avatar {
      inline-size: 6rem;
      block-size: 6rem;
      object-fit: cover;
      transform: rotate(-3deg);
    }

    .contact__colophon-copy {
      flex: 1 1 12rem;
      display: grid;
      gap: 0.75rem;
    }

    @media (min-width: 56rem) {
      .contact__colophon {
        gap: 2rem;
      }

      .contact__avatar {
        inline-size: clamp(8rem, 12vw, 12rem);
        block-size: auto;
      }

      .contact__colophon-copy {
        font-size: clamp(1rem, 0.75rem + 0.5vw, 1.375rem);
        gap: 1rem;
      }

      .contact__colophon-copy .label {
        font-size: 0.875rem;
      }
    }
  }

  /* ---------- footer ---------- */
  .site-footer {
    .hazard {
      block-size: 1.75rem;
      border-block-end: var(--rule-heavy);
    }

    .site-footer__grid {
      display: grid;
      gap: 1px;
      background: var(--ink);

      @media (min-width: 48rem) {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      > * {
        background: var(--paper);
        padding: 1.5rem var(--pad);
      }
    }

    .barcode {
      margin-block-end: 0.75rem;
    }

    .display {
      font-size: clamp(1.25rem, 1rem + 1vw, 1.875rem);
      line-height: 1;
      letter-spacing: -0.04em;
    }
  }
}

@layer components {
  .contact-form {
    display: grid;
    gap: 1rem;

    fieldset {
      display: grid;
      gap: 0.75rem;
      min-inline-size: 0;
      margin: 0;
      padding: 0;
      border: 0;
    }

    input,
    textarea,
    button {
      min-inline-size: 0;
      inline-size: 100%;
      padding-block: 0.75rem;
      padding-inline: 1rem;
      border: var(--rule);
      background: var(--paper);
      color: var(--ink);
      font: inherit;
    }

    textarea {
      resize: vertical;
    }

    button {
      min-block-size: 2.75rem;
      background: var(--ink);
      color: var(--paper);
      font-weight: 700;
      text-transform: uppercase;
    }

    :disabled {
      cursor: not-allowed;
      opacity: 1;
    }
  }

  .skip-link {
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 0;
    z-index: 10;
    padding: 0.75rem 1rem;
    background: var(--ink);
    color: var(--paper);

    &:not(:focus) {
      inline-size: 1px;
      block-size: 1px;
      padding: 0;
      overflow: hidden;
      clip-path: inset(50%);
      white-space: nowrap;
    }
  }

  .vh {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
  }

  .display {
    font-family: var(--font-display);
    font-weight: 400;
    text-transform: uppercase;
  }

  .label {
    font-size: 0.75rem;
    line-height: 1.4;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  /* [ BRACKETED ] labels. The "/ ''" part gives the generated text an empty
     accessible name so screen readers skip the brackets. */
  .bracketed {
    &::before {
      content: '[ ';
      content: '[ ' / '';
    }
    &::after {
      content: ' ]';
      content: ' ]' / '';
    }
  }

  .tag {
    color: var(--oxblood);
    font-weight: 700;
  }

  .entry__info a {
    display: inline-flex;
    align-items: center;
    min-block-size: 2.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .barcode {
    inline-size: min(100%, 16rem);
    block-size: 3.5rem;
    background-image:
      repeating-linear-gradient(90deg, var(--ink) 0 3px, transparent 3px 6px),
      repeating-linear-gradient(90deg, var(--ink) 0 1px, transparent 1px 11px),
      repeating-linear-gradient(90deg, var(--ink) 0 5px, transparent 5px 17px);
  }

  .hazard {
    background: repeating-linear-gradient(
      -45deg,
      var(--ink) 0 14px,
      var(--paper) 14px 28px
    );
  }

  /* 1-bit halftone glyph: dots clipped to the shape of a serif character */
  .contact__halftone {
    position: relative;
    overflow: hidden;

    .halftone-glyph {
      position: absolute;
      inset-inline: 0;
      inset-block-start: -1rem;
      text-align: center;
      font-family: var(--font-serif);
      font-weight: 900;
      font-size: 15rem;
      line-height: 1;
      background: radial-gradient(
          circle at center,
          var(--ink) 1.8px,
          transparent 2.3px
        )
        0 0 / 6px 6px;
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .label {
      position: absolute;
      inset-inline-start: 1rem;
      inset-block-end: 0.875rem;
    }
  }
}

@layer effects {
  /* Paper grain. One fixed layer; if scrolling ever feels heavy on a weak
     phone, delete this rule first. */
  body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 5;
    pointer-events: none;
    background-image: var(--noise);
    opacity: 0.12;
    mix-blend-mode: multiply;
  }

  /* Hero: each line types in once, then the cursor blinks. Only runs when
     the visitor has not asked for reduced motion; otherwise it is all static. */
  @media (prefers-reduced-motion: no-preference) {
    .hero__lines > div {
      animation: type calc(var(--n) * 8ms) steps(var(--n)) var(--d) both;

      &:nth-child(1) {
        --n: 30;
        --d: 0.2s;
      }
      &:nth-child(2) {
        --n: 49;
        --d: 0.52s;
      }
      &:nth-child(3) {
        --n: 47;
        --d: 0.992s;
      }
      &:nth-child(4) {
        --n: 38;
        --d: 1.448s;
      }
    }

    .hero__prompt {
      opacity: 0;
      animation: appear 0s 1.832s both;
    }

    .hero__cursor {
      animation: blink 1.06s steps(1, end) infinite;
    }
  }

  @keyframes type {
    from {
      clip-path: inset(0 100% 0 0);
    }
    to {
      clip-path: inset(0);
    }
  }
  @keyframes appear {
    to {
      opacity: 1;
    }
  }
  @keyframes blink {
    50% {
      opacity: 0;
    }
  }

  @media (prefers-contrast: more) {
    body::after {
      display: none;
    }
  }
}