@font-face {
  font-family: "Barlow Semi Condensed";
  src: url("fonts/barlow-semi-condensed-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Barlow Semi Condensed";
  src: url("fonts/barlow-semi-condensed-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Barlow Semi Condensed";
  src: url("fonts/barlow-semi-condensed-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

:root {
  --film: #eef3f5;
  --film-deep: #e3eaee;
  --ink: #15191c;
  --ink-2: #48525b;
  --pencil: #6ea8d8;
  --pencil-text: #2b6697;
  --pencil-wash: rgb(110 168 216 / 0.12);
  --attn: #e8761f;
  --attn-text: #a84c0a;
  --c-green: #34c759;
  --c-brown: #a2845e;
  --c-teal: #30b0c7;
  --c-blue: #007aff;
  --c-purple: #af52de;
  --c-none: #8e8e93;
  --track: rgb(21 25 28 / 0.06);

  --lettering: "Barlow Semi Condensed", "Arial Narrow", sans-serif;
  --prose: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --band: 26px;
  --pad: clamp(16px, 4vw, 56px);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --film: #111518;
    --film-deep: #181d21;
    --ink: #e6ecef;
    --ink-2: #a2adb5;
    --pencil: #5e9fd4;
    --pencil-text: #8fc2ec;
    --pencil-wash: rgb(94 159 212 / 0.14);
    --attn: #ff9f45;
    --attn-text: #ffad66;
    --c-green: #30d158;
    --c-brown: #ac8e68;
    --c-teal: #40c8e0;
    --c-blue: #0a84ff;
    --c-purple: #bf5af2;
    --c-none: #8e8e93;
    --track: rgb(230 236 239 / 0.07);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --film: #111518;
  --film-deep: #181d21;
  --ink: #e6ecef;
  --ink-2: #a2adb5;
  --pencil: #5e9fd4;
  --pencil-text: #8fc2ec;
  --pencil-wash: rgb(94 159 212 / 0.14);
  --attn: #ff9f45;
  --attn-text: #ffad66;
  --c-green: #30d158;
  --c-brown: #ac8e68;
  --c-teal: #40c8e0;
  --c-blue: #0a84ff;
  --c-purple: #bf5af2;
  --c-none: #8e8e93;
  --track: rgb(230 236 239 / 0.07);
  color-scheme: dark;
}

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

html {
  background: var(--film);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scrollbar-color: var(--pencil) var(--film);
}

body {
  margin: 0;
  background: var(--film);
  color: var(--ink);
  font: 400 1.0625rem/1.55 var(--prose);
  caret-color: var(--pencil-text);
  overflow-x: hidden;
}

::selection { background: color-mix(in oklab, var(--pencil) 38%, transparent); color: var(--ink); }

a { color: inherit; text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--pencil-text);
  outline-offset: 3px;
}



h1, h2, h3 {
  font-family: var(--lettering);
  font-weight: 500;
  margin: 0;
  text-wrap: balance;
}

.sheet {
  position: relative;
  margin: 14px;
  border: 2px solid var(--ink);
  padding: 0 var(--band);
}
.sheet::before {
  content: "";
  position: absolute;
  inset: var(--band);
  border: 1px solid var(--ink);
  pointer-events: none;
}

.zones {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  height: var(--band);
  font: 500 0.75rem/var(--band) var(--lettering);
  color: var(--ink-2);
  text-align: center;
}
.zones span { position: relative; }
.zones span + span::before {
  content: "";
  position: absolute;
  left: 0;
  width: 1px;
  background: var(--ink);
  height: 8px;
}
.zones-top span + span::before { bottom: 0; }
.zones-bottom span + span::before { top: 0; }

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px var(--pad);
  border-bottom: 1px solid var(--ink);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font: 600 1.375rem/1 var(--lettering);
  letter-spacing: 0.01em;
}
.nav { display: flex; align-items: center; gap: clamp(14px, 2.4vw, 32px); }
.nav a {
  font: 500 0.9375rem/1 var(--lettering);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-2);
}
.nav a:hover { color: var(--ink); text-decoration: underline; }
.nav .nav-cta {
  color: var(--ink);
  border: 1.5px solid var(--ink);
  padding: 9px 14px;
}
.nav .nav-cta:hover { background: var(--ink); color: var(--film); text-decoration: none; }

main > section {
  position: relative;
  padding: clamp(40px, 6vw, 88px) var(--pad);
  border-bottom: 1px solid var(--ink);
}
main > section::before {
  content: attr(data-zone);
  position: absolute;
  top: clamp(40px, 6vw, 88px);
  left: calc(-1 * var(--band));
  width: var(--band);
  font: 500 0.75rem/1 var(--lettering);
  color: var(--ink-2);
  text-align: center;
}
main > section::after {
  content: "";
  position: absolute;
  top: 0;
  left: calc(-1 * var(--band));
  width: 8px;
  border-top: 1px solid var(--ink);
}

[data-c="green"] { --hue: var(--c-green); }
[data-c="brown"] { --hue: var(--c-brown); }
[data-c="teal"] { --hue: var(--c-teal); }
[data-c="blue"] { --hue: var(--c-blue); }
[data-c="purple"] { --hue: var(--c-purple); }
[data-c="none"] { --hue: var(--c-none); }