/* Five Mistakes
   Identity carried forward from the original 2025 site: Anton display, IBM Plex
   Mono body, black ink on paper. The same lockup drives the book covers, so any
   change here has to be mirrored in the cover templates. */

:root {
  --paper: #e8e6e1;
  --paper-deep: #dedbd4;
  --ink: #1a1a1a;
  --ink-soft: #4a4744;
  --rule: #1a1a1a;

  /* Pillar accents. One per pillar, fixed once set. */
  --people: #b03a1a;
  --body: #2d6a4f;
  --mind: #3d348b;
  --money: #9a6b0f;

  --accent: var(--ink);

  --measure: 34rem;
  --gap: clamp(1rem, 4vw, 2rem);
  --section: clamp(3.5rem, 9vw, 7rem);
}

* { box-sizing: border-box; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: clamp(1rem, .96rem + .2vw, 1.0625rem);
  line-height: 1.75;
  color: var(--ink);
  background-color: var(--paper);
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239C92AC' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, .display {
  font-family: Anton, Impact, "Haettenschweiler", sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: .03em;
  line-height: .95;
  margin: 0 0 .5em;
  overflow-wrap: break-word;
}

h1 { font-size: clamp(2.75rem, 11vw, 6rem); }
h2 { font-size: clamp(1.85rem, 6vw, 3rem); }
h3 { font-size: clamp(1.25rem, 3.6vw, 1.75rem); }

p { margin: 0 0 1.35em; max-width: var(--measure); }

a { color: inherit; text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }

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

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

.wrap { width: min(64rem, 100% - 2.5rem); margin-inline: auto; }
.narrow { width: min(44rem, 100% - 2.5rem); margin-inline: auto; }

section { padding-block: var(--section); }

.rule { border: 0; border-top: 2px solid var(--rule); margin: 0; }

/* Small caps label above a heading. */
.eyebrow {
  font-size: .75rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--ink-soft);
  margin: 0 0 1rem;
}

.lede { font-size: clamp(1.15rem, 2.6vw, 1.4rem); line-height: 1.6; }

/* ---------- masthead ---------- */

.masthead { padding-block: clamp(3rem, 9vw, 6rem) clamp(2rem, 6vw, 4rem); }

.masthead h1 { margin-bottom: .25em; }

.masthead .tagline {
  font-size: clamp(.95rem, 2.4vw, 1.15rem);
  letter-spacing: .12em;
  text-transform: uppercase;
  border-top: 2px solid var(--rule);
  border-bottom: 2px solid var(--rule);
  padding-block: .75rem;
  margin: 0;
  max-width: none;
}

/* ---------- nav ---------- */

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: baseline;
  justify-content: space-between;
  padding-block: 1.25rem;
  border-bottom: 2px solid var(--rule);
}

.topbar .brand {
  font-family: Anton, Impact, sans-serif;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 1.1rem;
  text-decoration: none;
}

.topbar nav { display: flex; gap: 1.25rem; flex-wrap: wrap; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; }

/* ---------- cards ---------- */

.card {
  border: 2px solid var(--rule);
  padding: clamp(1.35rem, 4vw, 2.25rem);
  background-color: var(--paper);
}

.card h3 { margin-bottom: .4em; }
.card p:last-child { margin-bottom: 0; }

/* Numbered mistake card. The numeral is the ornament. */
.mistake { position: relative; margin-bottom: 1.25rem; }

.mistake .num {
  font-family: Anton, Impact, sans-serif;
  font-size: clamp(2.5rem, 8vw, 4rem);
  line-height: 1;
  color: var(--accent);
  display: block;
  margin-bottom: .25rem;
}

.mistake .verdict {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .78rem;
  color: var(--accent);
  margin-bottom: .75rem;
}

/* ---------- grids ---------- */

.grid { display: grid; gap: 1.25rem; }
@media (min-width: 46rem) { .grid.two { grid-template-columns: 1fr 1fr; } }
@media (min-width: 58rem) { .grid.four { grid-template-columns: repeat(4, 1fr); } }

/* ---------- pillar shelf ---------- */

.pillar { border: 2px solid var(--rule); padding: 1.5rem; display: flex; flex-direction: column; }
.pillar h3 { color: var(--accent); }
.pillar[data-pillar="body"] { --accent: var(--body); }
.pillar[data-pillar="mind"] { --accent: var(--mind); }
.pillar[data-pillar="people"] { --accent: var(--people); }
.pillar[data-pillar="money"] { --accent: var(--money); }

.pillar ul { list-style: none; margin: 0; padding: 0; font-size: .9rem; line-height: 2; }
.pillar li::before { content: "5 "; font-weight: 600; color: var(--accent); }
.pillar .status { margin-top: auto; padding-top: 1rem; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-soft); }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  border: 2px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-family: Anton, Impact, sans-serif;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 1.05rem;
  padding: .85rem 1.75rem;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease;
}

.btn:hover { background: var(--paper); color: var(--ink); }

.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); }

.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- capture form ---------- */

.capture { border: 3px solid var(--rule); padding: clamp(1.5rem, 5vw, 2.75rem); background: var(--paper-deep); }

.capture h2 { margin-bottom: .3em; }

.field { display: block; margin-bottom: 1rem; }

.field span {
  display: block;
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: .4rem;
}

.field input {
  width: 100%;
  font: inherit;
  padding: .8rem .9rem;
  border: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  border-radius: 0;
}

/* Honeypot. Never shown, never announced. */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.consent { display: flex; gap: .65rem; align-items: flex-start; font-size: .82rem; line-height: 1.5; margin-bottom: 1.25rem; }
.consent input { margin-top: .3rem; flex: none; width: 1.1rem; height: 1.1rem; accent-color: var(--ink); }
.consent span { max-width: none; }

.form-note { font-size: .78rem; color: var(--ink-soft); margin-top: 1rem; }

.form-msg { margin-top: 1rem; font-weight: 600; font-size: .9rem; }
.form-msg[data-state="error"] { color: var(--people); }
.form-msg[data-state="ok"] { color: var(--body); }

/* ---------- book ---------- */

.book-hero { display: grid; gap: clamp(1.5rem, 5vw, 3rem); align-items: start; }
@media (min-width: 52rem) { .book-hero { grid-template-columns: minmax(0, 18rem) 1fr; } }

/* Cover rendered in CSS so there is no image to wait for and the lockup stays
   identical to the print template. */
.cover {
  aspect-ratio: 1600 / 2560;
  border: 2px solid var(--ink);
  background: var(--paper-deep);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.cover .ghost5 {
  position: absolute;
  font-family: Anton, Impact, sans-serif;
  font-size: 22rem;
  line-height: .8;
  right: -3rem;
  bottom: -4rem;
  color: var(--ink);
  opacity: .06;
  pointer-events: none;
  user-select: none;
}

.cover .lockup { font-family: Anton, Impact, sans-serif; text-transform: uppercase; font-size: clamp(1.4rem, 4.5vw, 1.9rem); line-height: .92; letter-spacing: .02em; }
.cover .topic { font-family: Anton, Impact, sans-serif; text-transform: uppercase; font-size: clamp(2.6rem, 9vw, 3.6rem); line-height: .88; color: var(--accent); margin-top: auto; }
.cover .sub { font-size: .68rem; line-height: 1.45; margin: .6rem 0 0; max-width: none; }
.cover .byline { font-family: Anton, Impact, sans-serif; text-transform: uppercase; font-size: .95rem; letter-spacing: .06em; margin-top: 1.25rem; padding-top: .6rem; border-top: 2px solid var(--ink); }

/* ---------- footer ---------- */

footer { border-top: 2px solid var(--rule); padding-block: 2.5rem 3rem; font-size: .82rem; }
footer p { max-width: none; }
footer .fine { color: var(--ink-soft); font-size: .75rem; }

/* ---------- misc ---------- */

.skip {
  position: absolute; left: -9999px;
  background: var(--ink); color: var(--paper); padding: .75rem 1rem; z-index: 10;
}
.skip:focus { left: 1rem; top: 1rem; }

.stack > * + * { margin-top: 1.25rem; }

blockquote {
  border-left: 4px solid var(--accent);
  margin: 2rem 0;
  padding-left: 1.25rem;
  font-size: 1.1rem;
}

/* Long content must scroll inside itself, never the page. */
.scroll-x { overflow-x: auto; }