/* ---------------------------------------------------------------
   krzysztofcybulski.github.io — cybulski.co
   Typography-first. One screen. No decoration.
   --------------------------------------------------------------- */

/* Fonts ------------------------------------------------------- */

@font-face {
  font-family: 'Instrument Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/instrument-serif-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Instrument Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/instrument-serif-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/ibm-plex-mono-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/ibm-plex-mono-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* Tokens ------------------------------------------------------ */

:root {
  --paper: #f4f1ec;
  --ink: #1a1917;
  /* 0.62 is the lightest this can go and still clear WCAG AA (4.8:1) on paper */
  --ink-soft: rgba(26, 25, 23, 0.62);
  --ink-faint: rgba(26, 25, 23, 0.16);

  --font-display: 'Instrument Serif', 'Times New Roman', Times, serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --pad-x: clamp(1.375rem, 5vw, 4.5rem);
  --pad-y: clamp(1.375rem, 4vh, 2.75rem);

  --micro: clamp(0.6875rem, 0.24vw + 0.63rem, 0.8125rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Reset ------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: var(--micro);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

/* Shell ------------------------------------------------------- */

.page {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: clamp(2.5rem, 7vh, 5rem);
  padding: var(--pad-y) var(--pad-x);
}

.page__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
}

.stage {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

/* Micro type -------------------------------------------------- */

.meta {
  margin: 0;
  font-size: var(--micro);
  letter-spacing: 0.07em;
  white-space: nowrap;
}

.meta--soft {
  color: var(--ink-soft);
}

.meta__sep {
  margin: 0 0.5em;
  color: var(--ink-soft);
}

.meta__time {
  font-variant-numeric: tabular-nums;
  color: var(--ink-soft);
}

/* Name -------------------------------------------------------- */

.name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  /* Width drives the size on phones, height drives it on desktop — so the
     name fills the measure everywhere without ever pushing the page taller. */
  font-size: clamp(3rem, min(25vw, 30vh), 22rem);
  line-height: 0.92;
  letter-spacing: -0.022em;
}

.name__mask {
  display: block;
  overflow: hidden;
  /* room for descenders, reclaimed so the mask stays optically tight */
  padding-bottom: 0.16em;
  margin-bottom: -0.16em;
}

.name__mask--indent {
  padding-left: 0.36em;
}

.name__word {
  display: block;
  will-change: transform;
}

/* Rule -------------------------------------------------------- */

.rule {
  width: clamp(3rem, 6vw, 5.5rem);
  height: 1px;
  margin: clamp(1.75rem, 4.5vh, 3rem) 0 clamp(1.25rem, 3vh, 2rem);
  border: 0;
  background: var(--ink);
  transform-origin: left center;
}

/* Lede -------------------------------------------------------- */

.lede {
  display: flex;
  flex-direction: column;
  gap: 0.35em;
  margin: 0;
  font-size: var(--micro);
  letter-spacing: 0.07em;
}

.lede__soft {
  color: var(--ink-soft);
}

/* Links ------------------------------------------------------- */

.links {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.25rem, 3.5vw, 2.75rem);
}

.link {
  position: relative;
  color: var(--ink-soft);
  font-size: var(--micro);
  letter-spacing: 0.07em;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.4s var(--ease);
}

.link__arrow {
  display: inline-block;
  margin-left: 0.3em;
  font-size: 0.85em;
  transition: transform 0.4s var(--ease);
}

.link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.45em;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.55s var(--ease);
}

.link:hover,
.link:focus-visible {
  color: var(--ink);
}

.link:hover::after,
.link:focus-visible::after {
  transform: scaleX(1);
}

.link:hover .link__arrow {
  transform: translate(0.15em, -0.15em);
}

:focus-visible {
  outline: 1px solid var(--ink);
  outline-offset: 0.5em;
  border-radius: 1px;
}

/* Grain ------------------------------------------------------- */

.grain {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Entrance ---------------------------------------------------- */
/* Held until fonts resolve, so the reveal happens once and cleanly. */

.name__word,
.rule,
.lede,
.links,
.page__row .meta {
  opacity: 0;
}

.name__word {
  transform: translateY(105%);
}

.rule {
  transform: scaleX(0);
}

.lede,
.links,
.page__row .meta {
  transform: translateY(0.5rem);
}

html.is-ready .name__word {
  opacity: 1;
  transform: translateY(0);
  transition: transform 1.15s var(--ease), opacity 0.8s var(--ease);
}

html.is-ready .name__mask:nth-of-type(2) .name__word {
  transition-delay: 0.09s;
}

html.is-ready .rule {
  opacity: 1;
  transform: scaleX(1);
  transition: transform 0.9s var(--ease) 0.42s, opacity 0.5s linear 0.42s;
}

html.is-ready .lede,
html.is-ready .links,
html.is-ready .page__row .meta {
  opacity: 1;
  transform: translateY(0);
  transition: transform 0.9s var(--ease), opacity 0.9s var(--ease);
}

html.is-ready .lede {
  transition-delay: 0.5s;
}

html.is-ready .page__row .meta {
  transition-delay: 0.68s;
}

html.is-ready .links {
  transition-delay: 0.6s;
}

/* Narrow ------------------------------------------------------ */

@media (max-width: 34rem) {
  .name__mask--indent {
    padding-left: 0.22em;
  }

  .page__row--footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .links {
    row-gap: 1rem;
  }
}

/* Very short viewports (landscape phones) --------------------- */

@media (max-height: 34rem) and (orientation: landscape) {
  .name {
    font-size: min(11vw, 20vh);
  }

  .rule {
    margin: 1rem 0 0.875rem;
  }
}

/* Preferences ------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .name__word,
  .rule,
  .lede,
  .links,
  .page__row .meta {
    opacity: 1;
    transform: none;
    transition: none !important;
  }

  .link::after {
    transition: none;
  }

  .link:hover .link__arrow {
    transform: none;
  }
}

/* Print ------------------------------------------------------- */

@media print {
  .grain {
    display: none;
  }

  body {
    background: #fff;
  }
}