:root {
  --auno-ink: #141b1f;
  --auno-slate: #1d2b2f;
  --auno-paper: #f2efe9;
  --auno-paper-deep: #e7e2d8;
  --auno-green: #2f6f62;
  --auno-sienna: #b4552d;
  --auno-rule: rgba(20, 27, 31, 0.16);
  --auno-muted: rgba(20, 27, 31, 0.64);
  --auno-gutter: 20px;
  --auno-measure: 1140px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--auno-paper);
  color: var(--auno-ink);
  font-family: "Lexend", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 1.62;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: "IBM Plex Serif", Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -0.012em;
  line-height: 1.16;
  margin: 0;
}

p { margin: 0; }

a { color: inherit; }

.auno-shell {
  width: 100%;
  max-width: var(--auno-measure);
  margin: 0 auto;
  padding-left: var(--auno-gutter);
  padding-right: var(--auno-gutter);
}

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

.auno-masthead {
  background: var(--auno-ink);
  color: var(--auno-paper);
  position: sticky;
  top: 0;
  z-index: 10;
}

.auno-masthead-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 18px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.auno-wordmark {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: 1.22rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  display: inline-flex;
  gap: 7px;
}

.auno-wordmark-a { font-weight: 600; }

.auno-wordmark-b {
  font-weight: 400;
  color: var(--auno-paper);
  border-bottom: 2px solid var(--auno-sienna);
  padding-bottom: 1px;
}

.auno-strap {
  font-size: 0.73rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(242, 239, 233, 0.62);
  flex: 1 1 100%;
}

.auno-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  flex: 1 1 100%;
  padding-top: 4px;
}

.auno-nav a {
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: rgba(242, 239, 233, 0.82);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  min-height: 32px;
}

.auno-nav a:hover,
.auno-nav a:focus-visible { color: #fff; border-bottom-color: var(--auno-green); }

/* ---------- opening ---------- */

.auno-opening {
  background: var(--auno-ink);
  color: var(--auno-paper);
  padding: 34px 0 48px;
}

.auno-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--auno-sienna);
  margin-bottom: 20px;
}

.auno-opening h1 {
  font-size: clamp(1.95rem, 7.2vw, 3.5rem);
  max-width: 17ch;
  margin-bottom: 24px;
}

.auno-lede {
  font-size: 1.04rem;
  color: rgba(242, 239, 233, 0.84);
  max-width: 56ch;
}

.auno-office {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid rgba(242, 239, 233, 0.22);
  font-size: 0.84rem;
  letter-spacing: 0.02em;
  color: rgba(242, 239, 233, 0.66);
}

/* ---------- shared section furniture ---------- */

section[id] { scroll-margin-top: 108px; }

.auno-registers,
.auno-year,
.auno-handover,
.auno-intake,
.auno-record { padding: 52px 0; }

.auno-registers h2,
.auno-year h2,
.auno-handover h2,
.auno-intake h2,
.auno-record h2 {
  font-size: clamp(1.5rem, 5.4vw, 2.1rem);
  margin-bottom: 14px;
}

.auno-section-note {
  color: var(--auno-muted);
  max-width: 62ch;
  margin-bottom: 32px;
}

/* ---------- three registers ---------- */

.auno-registers { border-top: 1px solid var(--auno-rule); }

.auno-register-set {
  display: grid;
  gap: 2px;
  background: var(--auno-rule);
  border: 1px solid var(--auno-rule);
}

.auno-register {
  background: var(--auno-paper);
  padding: 26px 22px 30px;
}

.auno-register-code {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: 0.86rem;
  letter-spacing: 0.16em;
  color: var(--auno-green);
  margin-bottom: 12px;
}

.auno-register h3 {
  font-size: 1.22rem;
  margin-bottom: 12px;
}

.auno-register p { color: var(--auno-muted); font-size: 0.95rem; }

/* ---------- the standing year ---------- */

.auno-year { background: var(--auno-paper-deep); }

.auno-spine {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--auno-rule);
  border: 1px solid var(--auno-rule);
  margin-bottom: 0;
}

.auno-quarter {
  appearance: none;
  background: var(--auno-paper-deep);
  border: 0;
  border-top: 3px solid transparent;
  cursor: pointer;
  font: inherit;
  color: var(--auno-ink);
  text-align: left;
  padding: 16px 16px 14px;
  min-height: 72px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: background 0.16s ease, border-color 0.16s ease;
}

.auno-quarter:hover { background: #ded8cc; }

.auno-quarter-mark {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1.5px solid var(--auno-muted);
  margin-bottom: 8px;
}

.auno-quarter-label {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: 1.1rem;
  font-weight: 500;
}

.auno-quarter-months {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--auno-muted);
}

.auno-quarter[aria-selected="true"] {
  background: var(--auno-paper);
  border-top-color: var(--auno-sienna);
}

.auno-quarter[aria-selected="true"] .auno-quarter-mark {
  background: var(--auno-sienna);
  border-color: var(--auno-sienna);
}

.auno-quarter:focus-visible {
  outline: 2px solid var(--auno-green);
  outline-offset: -4px;
}

.auno-panels {
  background: var(--auno-paper);
  border: 1px solid var(--auno-rule);
  border-top: 0;
  padding: 26px 20px 30px;
}

.auno-panel h3 {
  font-size: 1.3rem;
  color: var(--auno-green);
  margin-bottom: 18px;
}

.auno-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.auno-panel li {
  padding-left: 18px;
  border-left: 2px solid var(--auno-rule);
  color: var(--auno-muted);
  font-size: 0.95rem;
}

.auno-panel li b { color: var(--auno-ink); font-weight: 500; }

/* ---------- handover ---------- */

.auno-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--auno-rule);
}

.auno-items li {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--auno-rule);
}

.auno-items span {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: 0.86rem;
  color: var(--auno-sienna);
  letter-spacing: 0.08em;
  flex: 0 0 auto;
  min-width: 2.2em;
}

.auno-items p { color: var(--auno-muted); font-size: 0.95rem; }

.auno-items b { color: var(--auno-ink); font-weight: 500; }

/* ---------- intake ---------- */

.auno-intake {
  background: var(--auno-slate);
  color: var(--auno-paper);
}

.auno-intake h2 { color: var(--auno-paper); }

.auno-intake p { color: rgba(242, 239, 233, 0.8); max-width: 48ch; }

.auno-intake-grid { display: grid; gap: 34px; }

.auno-mail {
  margin-top: 22px;
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: clamp(1.1rem, 4.6vw, 1.45rem);
  word-break: break-word;
}

.auno-mail a {
  color: var(--auno-paper);
  text-decoration: none;
  border-bottom: 2px solid var(--auno-sienna);
  padding-bottom: 2px;
}

.auno-mail a:hover { border-bottom-color: var(--auno-paper); }

.auno-intake-head {
  font-size: 0.73rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(242, 239, 233, 0.58);
  margin-bottom: 14px;
}

.auno-intake-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.auno-intake-list li {
  color: rgba(242, 239, 233, 0.82);
  font-size: 0.95rem;
  padding-left: 16px;
  position: relative;
}

.auno-intake-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--auno-green);
}

/* ---------- company record ---------- */

.auno-record { border-top: 1px solid var(--auno-rule); }

.auno-dl { margin: 0; display: grid; gap: 0; }

.auno-dl > div {
  display: grid;
  gap: 2px;
  padding: 14px 0;
  border-bottom: 1px solid var(--auno-rule);
}

.auno-dl dt {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--auno-green);
}

.auno-dl dd { margin: 0; font-size: 0.97rem; }

.auno-dl a { color: var(--auno-ink); }

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

.auno-foot {
  background: var(--auno-ink);
  color: rgba(242, 239, 233, 0.66);
  padding: 26px 0;
  font-size: 0.82rem;
}

.auno-foot-row { display: grid; gap: 10px; }

.auno-foot a { color: var(--auno-paper); }

/* ---------- wider viewports ---------- */

@media (min-width: 620px) {
  :root { --auno-gutter: 32px; }

  .auno-masthead-row { gap: 6px 26px; }
  .auno-strap { flex: 0 1 auto; }
  .auno-nav { flex: 1 1 100%; }
  .auno-spine { grid-template-columns: repeat(4, 1fr); }
  .auno-panels { padding: 32px 28px 36px; }
  .auno-panel ul { grid-template-columns: 1fr 1fr; gap: 20px 26px; }
  .auno-register { padding: 30px 26px 34px; }
  .auno-foot-row { grid-template-columns: 1fr auto; align-items: baseline; }
}

@media (min-width: 900px) {
  :root { --auno-gutter: 44px; }

  .auno-masthead-row { flex-wrap: nowrap; gap: 28px; }
  .auno-nav { flex: 0 0 auto; margin-left: auto; padding-top: 0; }
  .auno-strap { flex: 0 1 auto; }

  .auno-opening { padding: 70px 0 84px; }
  .auno-registers,
  .auno-year,
  .auno-handover,
  .auno-intake,
  .auno-record { padding: 76px 0; }

  .auno-register-set { grid-template-columns: repeat(3, 1fr); }
  .auno-intake-grid { grid-template-columns: 1.05fr 0.95fr; gap: 56px; }
  .auno-items li { gap: 26px; }
  .auno-dl { grid-template-columns: repeat(2, 1fr); gap: 0 56px; }
}

@media (prefers-reduced-motion: reduce) {
  .auno-quarter { transition: none; }
}