/* Hollow Oak Labs — site styles. No external requests. */
@font-face {
  font-family: "Fraunces";
  src: url("/fonts/fraunces-latin.woff2") format("woff2");
  font-weight: 300 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Fraunces";
  src: url("/fonts/fraunces-italic-latin.woff2") format("woff2");
  font-weight: 300 600;
  font-style: italic;
  font-display: swap;
}

:root {
  color-scheme: light dark;
  --bg: #f6f3ec;
  --bg-raised: #efebe2;
  --ink: #1d2420;
  --ink-soft: #3b443e;
  --muted: #5b645e;
  --line: #dcd6ca;
  --accent: #2f4a3a;
  --accent-ink: #f6f3ec;
  --ring: #2f4a3a;
  --ring-opacity: .3;
  --focus: #2f4a3a;

  --serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --wrap: 72rem;
  --gutter: clamp(1.375rem, 4.5vw, 3rem);
  --section: clamp(5rem, 9vw, 8.5rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111513;
    --bg-raised: #171c19;
    --ink: #ece7dc;
    --ink-soft: #cfcabf;
    --muted: #a2aaa4;
    --line: #29302c;
    --accent: #a9c7b0;
    --accent-ink: #111513;
    --ring: #a9c7b0;
    --ring-opacity: .2;
    --focus: #a9c7b0;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, p, ol, ul, dl, dd, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }
img, svg { display: block; }

a { color: inherit; text-decoration-color: color-mix(in srgb, currentColor 35%, transparent); text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-color: currentColor; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 3px; }

.skip {
  position: absolute; left: var(--gutter); top: -3rem;
  padding: .5rem .875rem; background: var(--ink); color: var(--bg);
  border-radius: 6px; font-size: .875rem; text-decoration: none; z-index: 10;
}
.skip:focus { top: 1rem; }

.wrap { width: 100%; max-width: calc(var(--wrap) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }

/* Header */
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 5rem; padding-top: .5rem;
}
.brand {
  display: inline-flex; align-items: center; gap: .625rem;
  text-decoration: none; color: var(--ink);
}
.brand svg { width: 1.625rem; height: 1.625rem; color: var(--accent); flex: none; }
.brand-name {
  font-family: var(--serif); font-size: 1.1875rem; font-weight: 500;
  font-variation-settings: "opsz" 36; letter-spacing: -.01em; line-height: 1;
}
.site-nav { display: none; gap: 2rem; font-size: .9375rem; }
.site-nav a { color: var(--muted); text-decoration: none; transition: color .15s ease; }
.site-nav a:hover { color: var(--ink); }
@media (min-width: 40rem) { .site-nav { display: flex; } }

/* Shared type */
.eyebrow {
  font-family: var(--mono); font-size: .75rem; line-height: 1.4;
  letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
}
.display {
  font-family: var(--serif); font-weight: 400; letter-spacing: -.022em;
  font-optical-sizing: auto; color: var(--ink);
  text-wrap: balance;
}
.display em { font-style: italic; font-weight: 350; color: var(--accent); }

/* Hero */
.hero { position: relative; padding-block: clamp(3.5rem, 9vw, 8rem) clamp(4.5rem, 9vw, 7.5rem); overflow: hidden; }
.hero-grid { display: grid; gap: 3rem; align-items: center; }
.hero h1 {
  margin-top: 1.5rem;
  font-size: clamp(2.75rem, 1.5rem + 5.4vw, 5.25rem);
  line-height: 1.02; max-width: 12ch;
}
.lede {
  text-wrap: pretty;
  margin-top: 1.75rem; max-width: 35rem;
  font-size: clamp(1.125rem, 1.05rem + .3vw, 1.25rem); line-height: 1.6; color: var(--ink-soft);
}
.status {
  display: inline-flex; align-items: center; gap: .625rem;
  margin-top: 2.5rem; padding: .5rem .875rem .5rem .75rem;
  border: 1px solid var(--line); border-radius: 999px;
  font-size: .875rem; line-height: 1.3; color: var(--muted);
}
.status::before {
  content: ""; width: .5rem; height: .5rem; border-radius: 50%; flex: none;
  background: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.rings { width: min(100%, 22rem); justify-self: center; color: var(--ring); opacity: var(--ring-opacity); }
.rings path { fill: none; stroke: currentColor; stroke-width: 1.15; vector-effect: non-scaling-stroke; }
@media (max-width: 47.99rem) {
  .rings { position: absolute; width: 24rem; right: -12.5rem; top: .5rem; opacity: calc(var(--ring-opacity) * .6); z-index: -1; }
  .hero-copy { position: relative; }
}
@media (min-width: 48rem) {
  .hero-grid { grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); gap: 4rem; }
  .rings { width: 100%; max-width: 28rem; justify-self: end; }
}

/* Sections */
.section { padding-block: var(--section); border-top: 1px solid var(--line); }
.section-grid { display: grid; gap: 2.5rem; }
.section-head h2 { margin-top: 1rem; font-size: clamp(2rem, 1.6rem + 1.6vw, 2.75rem); line-height: 1.1; }
.section-head p { margin-top: 1.125rem; max-width: 26rem; color: var(--muted); }
@media (min-width: 60rem) {
  .section-grid { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 4rem; }
  .section-head { position: sticky; top: 2.5rem; align-self: start; }
}

/* Focus areas */
.focus-list { border-top: 1px solid var(--line); counter-reset: focus; }
.focus-item {
  display: grid; grid-template-columns: 2.75rem minmax(0, 1fr); gap: .25rem 1rem;
  padding-block: 2rem; border-bottom: 1px solid var(--line);
}
.focus-num { font-family: var(--mono); font-size: .8125rem; color: var(--muted); padding-top: .5rem; letter-spacing: .04em; }
.focus-item h3 { font-family: var(--serif); font-weight: 450; font-size: 1.5rem; line-height: 1.25; letter-spacing: -.012em; font-variation-settings: "opsz" 48; }
.focus-item p { grid-column: 2; margin-top: .5rem; max-width: 34rem; color: var(--ink-soft); }
@media (min-width: 40rem) {
  .focus-item { grid-template-columns: 4rem minmax(0, 1fr); padding-block: 2.25rem; }
}

/* Principles */
.principles { display: grid; gap: 0; }
.principle { padding-block: 1.875rem 2rem; border-top: 1px solid var(--line); }
.principle dt {
  display: flex; align-items: baseline; gap: .75rem;
  font-family: var(--serif); font-weight: 450; font-size: 1.3125rem; line-height: 1.3;
  letter-spacing: -.01em; font-variation-settings: "opsz" 36;
}
.principle dt::before {
  content: ""; width: .4375rem; height: .4375rem; flex: none; border-radius: 50%;
  border: 1.5px solid var(--accent); transform: translateY(-.15em);
}
.principle dd { margin-top: .625rem; padding-left: 1.1875rem; max-width: 30rem; color: var(--ink-soft); }
@media (min-width: 40rem) {
  .principles { grid-template-columns: 1fr 1fr; column-gap: 3rem; }
}

/* Closing */
.closing { padding-block: var(--section); border-top: 1px solid var(--line); }
.closing .display { font-size: clamp(1.875rem, 1.3rem + 2.4vw, 3.25rem); line-height: 1.15; max-width: 22ch; }
.closing p:not(.display) { margin-top: 1.5rem; max-width: 34rem; color: var(--muted); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); }
.site-footer .wrap {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem;
  padding-block: 2.25rem 2.5rem; font-size: .875rem; color: var(--muted);
}
.site-footer .foot-brand { display: inline-flex; align-items: center; gap: .625rem; }
.site-footer svg { width: 1.125rem; height: 1.125rem; color: var(--accent); }

/* 404 */
.notfound { padding-block: clamp(5rem, 14vw, 10rem); min-height: 62vh; }
.notfound h1 { margin-top: 1.25rem; font-size: clamp(2.5rem, 1.6rem + 4vw, 4.25rem); line-height: 1.05; max-width: 14ch; }
.notfound p:not(.eyebrow) { margin-top: 1.5rem; max-width: 32rem; font-size: 1.125rem; color: var(--ink-soft); }
.button {
  display: inline-flex; align-items: center; gap: .5rem; margin-top: 2.5rem;
  padding: .75rem 1.25rem; border-radius: 999px; background: var(--accent); color: var(--accent-ink);
  font-size: .9375rem; font-weight: 500; text-decoration: none; transition: opacity .15s ease;
}
.button:hover { opacity: .9; }

::selection { background: color-mix(in srgb, var(--accent) 25%, transparent); }
.hero { isolation: isolate; }
body { min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; }
main { flex: 1 0 auto; }
.notfound { min-height: 0; }