/* =========================================================
   steezy.wav — shared styles for every page
   Change the font, colors or gray level here once.
   ========================================================= */

/* Helvetica Now Display, hosted with the site
   500 Medium = body text · 700 Bold = cards, stats, bold words
   800 ExtraBold = page titles, section titles + headings */
@font-face {
  font-family: "Helvetica Now Display";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/HelveticaNowDisplay-Medium.woff2") format("woff2");
}
@font-face {
  font-family: "Helvetica Now Display";
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/HelveticaNowDisplay-MedIta.woff2") format("woff2");
}
@font-face {
  font-family: "Helvetica Now Display";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/HelveticaNowDisplay-Bold.woff2") format("woff2");
}
@font-face {
  font-family: "Helvetica Now Display";
  font-style: italic;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/HelveticaNowDisplay-BoldIta.woff2") format("woff2");
}
@font-face {
  font-family: "Helvetica Now Display";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("fonts/HelveticaNowDisplay-ExtraBold.woff2") format("woff2");
}
@font-face {
  font-family: "Helvetica Now Display";
  font-style: italic;
  font-weight: 800;
  font-display: swap;
  src: url("fonts/HelveticaNowDisplay-ExtBdIta.woff2") format("woff2");
}

:root {
  --bg: #fbfaf6;         /* warm off-white page */
  --ink: #221e1a;        /* warm graphite text = 100% */
  --accent: #eba644;     /* cursor */
  --dim: 0.62;           /* gray = ink at this opacity (matches Notion gray on white) */
  --callout: #f2f0ea;    /* boxes: one step darker than the page */
  --line: rgba(34, 30, 26, 0.14);
  --line-focus: rgba(34, 30, 26, 0.32);
  --ease: 0.22s ease;
  --page: 708px;         /* content width */
}

* { box-sizing: border-box; }

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

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Helvetica Now Display", "Helvetica Neue", Helvetica, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

strong { font-weight: 700; }

main {
  max-width: calc(var(--page) + 48px);
  margin: 0 auto;
  padding: 120px 24px 160px;
}

/* gray = opacity shift of the ink, never a separate color */
.d { opacity: var(--dim); transition: opacity var(--ease); }

/* ---------- page title ---------- */
.title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 24px;
}

/* blinking block cursor after every page title */
.cursor {
  display: inline-block;
  width: 0.5em;
  height: 0.78em;
  margin-left: 0.1em;
  vertical-align: -0.04em;
  background: var(--accent);
  animation: blink 1.1s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ---------- clickable callout card ---------- */
.card {
  display: block;
  background: var(--callout);
  border-radius: 10px;
  padding: 23px 22px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
  color: inherit;
  text-decoration: none;
  transition: transform var(--ease);
  will-change: transform;
}
.card:hover,
.card:focus-visible { transform: scale(1.03); }

/* on hover: gray parts go full, full parts (.b) go gray */
.card:hover .d,
.card:focus-visible .d { opacity: 1; }
.card .b { transition: opacity var(--ease); }
.card:hover .b,
.card:focus-visible .b { opacity: var(--dim); }

.card:focus-visible { outline: 2px solid var(--line-focus); outline-offset: 3px; }

/* ---------- breadcrumb (subpages) ---------- */
.crumbs {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  height: 45px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  background: var(--bg);
  font-size: 14px;
  line-height: 1.2;
  white-space: nowrap;
}
.crumb {
  display: inline-block;
  padding: 2px 6px;
  color: inherit;
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity var(--ease), transform var(--ease);
}
a.crumb:hover,
a.crumb:focus-visible { opacity: 1; transform: scale(1.06); }
.crumb:focus-visible { outline: 2px solid var(--line-focus); outline-offset: 1px; border-radius: 4px; }
.crumbs .sep { opacity: 0.3; padding: 0 1px; }

/* ---------- long-form text in boxes (subpages) ---------- */
.sub main { padding-top: 150px; }

.prose {
  display: flex;
  flex-direction: column;
  gap: 17px;
}
.box {
  display: flex;
  flex-direction: column;
  gap: 15px;
  background: var(--callout);
  border-radius: 10px;
  padding: 20px 22px;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.01em;   /* Display cut is tight; open it up a touch for small text */
}
.box p {
  margin: 0;
  min-height: 1.5em;          /* an empty box still shows one line, like Notion */
  white-space: pre-wrap;      /* keep the source text's spacing exactly */
}
.box .gap { height: 1.5em; }  /* a blank line from the source */
.prose > .gap { height: 1.5em; margin: 0; }

/* headings inside boxes (Notion H1–H4 become h2–h5 on the site) */
.box h2, .box h3, .box h4, .box h5 {
  margin: 0;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0;
  white-space: pre-wrap;
}
.box h2 { font-size: 30px; margin-top: 18px; }
.box h3 { font-size: 24px; margin-top: 12px; }
.box h4 { font-size: 20px; margin-top: 6px; }
.box h5 { font-size: 18px; margin-top: 2px; }
.box > :first-child { margin-top: 0; }

/* bullet points inside boxes */
.box ul { margin: 0; padding-left: 1.7em; }
.box li { white-space: pre-wrap; padding-left: 0.1em; }

/* side-by-side columns + images inside boxes (stacked on phones) */
.cols { display: flex; gap: 16px; }
.col { flex: 1 1 0; min-width: 0; display: flex; flex-direction: column; gap: 15px; }
.img { margin: 0; }
.img img { display: block; width: 100%; height: auto; }

/* ---------- small screens ---------- */
@media (max-width: 600px) {
  main { padding: 72px 20px 120px; }
  .sub main { padding-top: 100px; }
  .title { font-size: 34px; }
  .card { font-size: 18px; }
  .box { padding: 18px 18px; }
  .box h2 { font-size: 26px; }
  .box h3 { font-size: 21px; }
  .crumbs { padding: 0 8px; }
  .cols { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .card, .crumb, .d, .card .b { transition: none; }
  .card:hover, .card:focus-visible,
  a.crumb:hover, a.crumb:focus-visible { transform: none; }
}