/* Zerø landing — single stylesheet, no build step */

@font-face {
  font-family: "Bricolage Grotesque";
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url("/fonts/bricolage-grotesque-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: "Departure Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/departure-mono.woff2") format("woff2");
}

:root {
  --paper: #f3ece0;
  --paper-2: #ece3d2;
  --ink: #1a120c;
  --ink-soft: #4a3a2c;
  --rule: #c9bda6;
  --accent: #d9d200;
  --accent-ink: #1a120c;
  --grid: rgba(26, 18, 12, 0.045);

  --display: "Bricolage Grotesque", ui-serif, Georgia, serif;
  --mono: "Departure Mono", ui-monospace, Menlo, monospace;

  --max: 1180px;
  --pad-x: clamp(1.25rem, 4vw, 3rem);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --pad-inline-start: max(var(--pad-x), var(--safe-left));
  --pad-inline-end: max(var(--pad-x), var(--safe-right));
}

:root[data-theme="dark"] {
  --paper: #17120d;
  --paper-2: #211a14;
  --ink: #f2e7d5;
  --ink-soft: #b9a78f;
  --rule: #3a2e22;
  --grid: rgba(242, 231, 213, 0.06);
}

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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--display);
  font-feature-settings: "ss01", "ss02", "kern";
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  position: relative;
  overflow-x: hidden;
  overscroll-behavior-y: auto;
}

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

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  left: var(--pad-x);
  top: 0.5rem;
  transform: translateY(-220%);
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 0.7rem;
  z-index: 4;
}

.skip-link:focus-visible {
  transform: translateY(0);
}

/* faint 8x8 grid lurking in the bottom-right corner, like a watermark */
.board {
  position: fixed;
  right: -6vw;
  bottom: -6vw;
  width: min(70vw, 720px);
  height: min(70vw, 720px);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 12.5% 12.5%;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(circle at 80% 80%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(
    circle at 80% 80%,
    #000 30%,
    transparent 75%
  );
}

/* paper grain */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.10  0 0 0 0 0.07  0 0 0 0 0.05  0 0 0 0 0.18 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

.topbar,
.page,
.footbar {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad-inline-start);
  padding-right: var(--pad-inline-end);
}

/* TOP BAR */
.topbar {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding-top: calc(clamp(1.25rem, 2.5vw, 2rem) + var(--safe-top));
  padding-bottom: 0.5rem;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  line-height: 1;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.36rem;
  color: var(--ink);
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.05rem;
  letter-spacing: 0;
  line-height: 1;
  text-transform: none;
}
.brand img {
  width: 22px;
  height: 22px;
  opacity: 0.92;
  flex: 0 0 auto;
}

.logo-white {
  display: none;
}

:root[data-theme="dark"] .logo-black {
  display: none;
}

:root[data-theme="dark"] .logo-white {
  display: block;
}

.brand-text {
  display: inline-block;
  transform: translateY(0);
}

.brand .o {
  color: var(--ink);
}
.status {
  line-height: 1;
  transform: translateY(1px);
}
.topbar .sep {
  color: var(--rule);
}
.topbar .status::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  margin-right: 0.55em;
  transform: translateY(-1px);
  border-radius: 1px;
}

.theme-toggle {
  margin-left: auto;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  line-height: 1;
  min-height: 2rem;
  min-width: 8ch;
  width: 8ch;
  padding-block: 0.42rem;
  padding-inline: 0;
  text-align: center;
  touch-action: manipulation;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 6px;
  cursor: pointer;
  transition:
    border-color 180ms ease,
    color 180ms ease;
}

.theme-toggle::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 220ms ease;
  z-index: -1;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: var(--ink-soft);
  color: var(--accent-ink);
}

.theme-toggle:hover::before,
.theme-toggle:focus-visible::before {
  transform: scaleX(1);
}

.theme-toggle[aria-pressed="true"] {
  color: var(--ink);
  border-color: var(--ink-soft);
}

.theme-toggle[aria-pressed="true"]:hover,
.theme-toggle[aria-pressed="true"]:focus-visible {
  color: var(--accent-ink);
}

/* PAGE */
.page {
  padding-top: clamp(3rem, 9vw, 7rem);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  row-gap: clamp(2.5rem, 6vw, 5rem);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  row-gap: clamp(1.25rem, 2.5vw, 2rem);
}

.wordmark {
  margin: 0;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(4.5rem, 16vw, 12rem);
  line-height: 0.92;
  letter-spacing: -0.018em;
  font-feature-settings: "kern";
  font-variant-ligatures: none;
  color: var(--ink);
}
.wordmark .o {
  color: var(--accent);
}

.wordmark::selection,
.wordmark *::selection {
  background: var(--accent);
  color: var(--accent-ink);
}

.tagline {
  margin: 0;
  max-width: 30ch;
  font-size: clamp(1.05rem, 1.8vw, 1.4rem);
  line-height: 1.35;
  font-weight: 400;
  color: var(--ink);
  justify-self: end;
  text-align: right;
}

/* CONTENT BLOCKS */
.block {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  column-gap: clamp(1.5rem, 4vw, 4rem);
  row-gap: 0.8rem;
  padding-top: clamp(1.25rem, 2vw, 1.75rem);
  border-top: 1px solid var(--rule);
}

.label {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  text-transform: uppercase;
  padding-top: 0.4rem;
}

.prose {
  margin: 0;
  font-size: clamp(1.1rem, 1.6vw, 1.45rem);
  line-height: 1.5;
  font-weight: 400;
  width: auto;
  color: var(--ink);
  margin-left: auto;
  text-align: right;
}

html.js-layout .block .prose {
  visibility: hidden;
}

html.js-layout.js-layout-ready .block .prose {
  visibility: visible;
}

.prose + .prose {
  margin-top: 0.7rem;
}

/* FOOTER */
.footbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 1.25rem;
  padding-bottom: calc(clamp(1.25rem, 2.5vw, 2rem) + var(--safe-bottom));
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.foot-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
}
.foot-brand img {
  width: auto;
  height: 18px;
  opacity: 0.85;
}
.footbar .mono {
  display: inline-block;
}
.footbar .dim {
  color: var(--ink-soft);
}

.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;
}

/* small screens */
@media (max-width: 1024px) {
  :root {
    --pad-x: clamp(1rem, 3.2vw, 2rem);
    --pad-inline-start: max(var(--pad-x), var(--safe-left));
    --pad-inline-end: max(var(--pad-x), var(--safe-right));
  }

  .topbar {
    gap: 0.7rem;
    font-size: 10px;
    letter-spacing: 0.14em;
  }

  .page {
    padding-top: clamp(2.2rem, 7vw, 4.5rem);
    row-gap: clamp(2rem, 5vw, 3.6rem);
  }

  .wordmark {
    font-size: clamp(4rem, 18vw, 9rem);
  }

  .block {
    grid-template-columns: 9.5rem minmax(0, 1fr);
    column-gap: clamp(1.1rem, 3.4vw, 2.6rem);
  }

  .prose {
    font-size: clamp(1.02rem, 1.8vw, 1.3rem);
  }

  .board {
    right: -14vw;
    bottom: -14vw;
    width: min(84vw, 620px);
    height: min(84vw, 620px);
  }
}

@media (max-width: 720px) {
  :root {
    --pad-x: clamp(0.9rem, 4vw, 1.25rem);
    --pad-inline-start: max(var(--pad-x), var(--safe-left));
    --pad-inline-end: max(var(--pad-x), var(--safe-right));
  }

  .topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 0.65rem;
    row-gap: 0.6rem;
    padding-bottom: 0.75rem;
  }
  .topbar .sep {
    display: none;
  }
  .brand {
    min-width: 0;
    font-size: 1rem;
  }
  .status {
    grid-column: 1 / -1;
    font-size: 10px;
    letter-spacing: 0.14em;
    line-height: 1.25;
  }
  .theme-toggle {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    margin-left: 0;
  }
  .page {
    padding-top: clamp(1.6rem, 7.5vw, 2.4rem);
    row-gap: clamp(1.7rem, 6vw, 2.5rem);
  }
  .hero {
    row-gap: 1rem;
  }
  .tagline {
    padding-right: 0;
    max-width: 34ch;
    font-size: clamp(1rem, 4.6vw, 1.25rem);
    line-height: 1.4;
    justify-self: start;
    text-align: left;
  }
  .block {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 0.65rem;
    padding-top: 1rem;
  }
  .prose {
    width: auto;
    margin-left: 0;
    font-size: clamp(1rem, 4.8vw, 1.2rem);
    line-height: 1.55;
    text-align: left;
  }
  .label {
    font-size: 10px;
    letter-spacing: 0.14em;
    padding-top: 0;
  }
  .footbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.55rem;
  }
  .board {
    display: none;
  }
}

@media (pointer: coarse) {
  .theme-toggle {
    min-height: 44px;
    min-width: 9ch;
    width: 9ch;
    padding-block: 0.5rem;
    padding-inline: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .theme-toggle::before {
    transform: none;
  }
}