/* Umbelditta Letter Atelier — A23 lagoon teal + driftwood · T05 mono + serif · prefix umbd- */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,600;1,8..60,400&display=swap');

:root {
  --umbd-teal: #1a6b6a;
  --umbd-teal-deep: #0f4544;
  --umbd-lagoon: #2a8f8c;
  --umbd-mist: #e8f2f1;
  --umbd-drift: #8b7355;
  --umbd-wood: #5c4a36;
  --umbd-sand: #f4efe6;
  --umbd-ink: #1c1a17;
  --umbd-muted: #5a554c;
  --umbd-paper: #faf7f2;
  --umbd-line: rgba(28, 26, 23, 0.12);
  --umbd-radius: 2px;
  --umbd-font-display: 'IBM Plex Mono', ui-monospace, monospace;
  --umbd-font-body: 'Source Serif 4', 'Georgia', serif;
  --umbd-measure: 62ch;
  --umbd-sidebar: 28%;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--umbd-font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--umbd-ink);
  background:
    radial-gradient(ellipse 120% 80% at 10% 0%, rgba(42, 143, 140, 0.08), transparent 50%),
    linear-gradient(165deg, var(--umbd-paper) 0%, var(--umbd-sand) 55%, #efe8dc 100%);
  min-height: 100vh;
}

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

a {
  color: var(--umbd-teal-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--umbd-lagoon);
}

.umbd-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* H11 — brand-only chrome + menu for N04 */
.umbd-top {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background: rgba(250, 247, 242, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--umbd-line);
}

.umbd-brand {
  font-family: var(--umbd-font-display);
  font-weight: 600;
  font-size: clamp(0.95rem, 2.2vw, 1.15rem);
  letter-spacing: 0.04em;
  color: var(--umbd-teal-deep);
  text-decoration: none;
}

.umbd-brand:hover {
  color: var(--umbd-lagoon);
}

.umbd-menu-btn {
  font-family: var(--umbd-font-display);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--umbd-teal);
  color: var(--umbd-teal-deep);
  padding: 0.45rem 0.85rem;
  cursor: pointer;
}

.umbd-menu-btn:hover,
.umbd-menu-btn:focus-visible {
  background: var(--umbd-mist);
  outline: none;
}

/* N04 — left drawer */
.umbd-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 69, 68, 0.35);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s ease, visibility 0.28s;
  z-index: 50;
}

.umbd-drawer-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.umbd-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(20rem, 88vw);
  background: var(--umbd-sand);
  border-right: 1px solid var(--umbd-line);
  padding: 1.5rem 1.25rem 2rem;
  transform: translateX(-105%);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.umbd-drawer.is-open {
  transform: translateX(0);
}

.umbd-drawer-close {
  align-self: flex-start;
  font-family: var(--umbd-font-display);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: none;
  border: none;
  color: var(--umbd-muted);
  cursor: pointer;
  padding: 0.25rem 0;
}

.umbd-drawer nav {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.umbd-drawer a {
  font-family: var(--umbd-font-display);
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--umbd-ink);
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, opacity 0.2s;
}

.umbd-drawer a:hover,
.umbd-drawer a[aria-current="page"] {
  border-bottom-color: var(--umbd-teal);
  color: var(--umbd-teal-deep);
}

/* L09 — sticky brand column + scrolling main */
.umbd-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

@media (min-width: 900px) {
  .umbd-shell {
    grid-template-columns: var(--umbd-sidebar) 1fr;
    gap: 2.5rem;
    padding: 1.5rem 2rem 4rem;
    align-items: start;
  }

  .umbd-side {
    position: sticky;
    top: 4.5rem;
    padding-top: 1rem;
  }
}

.umbd-side {
  padding: 1.5rem 0 0.5rem;
}

.umbd-side-mark {
  font-family: var(--umbd-font-display);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--umbd-teal-deep);
  letter-spacing: 0.02em;
  margin: 0 0 0.75rem;
}

.umbd-side-note {
  font-size: 0.95rem;
  color: var(--umbd-muted);
  margin: 0 0 1.25rem;
  max-width: 22ch;
}

.umbd-page-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.umbd-page-index a {
  font-family: var(--umbd-font-display);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--umbd-wood);
}

.umbd-page-index a:hover {
  color: var(--umbd-teal);
}

.umbd-main {
  min-width: 0;
  padding-top: 0.5rem;
}

/* Y14 — story open, no hero */
.umbd-story-open {
  max-width: var(--umbd-measure);
  margin: 0 0 2.5rem;
}

.umbd-story-open h1 {
  font-family: var(--umbd-font-display);
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
  color: var(--umbd-ink);
}

.umbd-story-open p {
  margin: 0 0 1rem;
  color: var(--umbd-ink);
}

.umbd-lede {
  font-size: 1.15rem;
}

/* C03 numbered chapters + S06 margin ticks */
.umbd-chapters {
  position: relative;
  margin: 0;
  padding: 0;
}

.umbd-chapter {
  position: relative;
  padding: 2rem 0 2.25rem 0;
  margin: 0;
  border: none;
}

@media (min-width: 700px) {
  .umbd-chapter {
    padding-left: 3.25rem;
  }

  .umbd-chapter::before {
    content: attr(data-tick);
    position: absolute;
    left: 0;
    top: 2.15rem;
    font-family: var(--umbd-font-display);
    font-size: 0.65rem;
    letter-spacing: 0.06em;
    color: var(--umbd-lagoon);
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    opacity: 0.85;
  }
}

.umbd-chapter-num {
  font-family: var(--umbd-font-display);
  font-size: clamp(3.5rem, 10vw, 5.5rem);
  font-weight: 600;
  line-height: 0.85;
  color: rgba(26, 107, 106, 0.18);
  margin: 0 0 0.35rem;
  letter-spacing: -0.04em;
}

.umbd-chapter h2 {
  font-family: var(--umbd-font-display);
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  font-weight: 600;
  margin: 0 0 0.85rem;
  color: var(--umbd-teal-deep);
  letter-spacing: 0.02em;
}

.umbd-chapter p {
  max-width: var(--umbd-measure);
  margin: 0 0 1rem;
}

.umbd-figure {
  margin: 1.25rem 0 0;
  max-width: 36rem;
}

.umbd-figure figcaption {
  font-family: var(--umbd-font-display);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--umbd-muted);
  margin-top: 0.5rem;
}

.umbd-figure img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.umbd-figure--wide img {
  aspect-ratio: 16 / 9;
}

.umbd-figure--tall {
  max-width: 22rem;
}

.umbd-figure--tall img {
  aspect-ratio: 3 / 4;
}

/* M20 route-like fade for in-page anchors */
.umbd-fade-target {
  transition: opacity 0.45s ease;
}

.umbd-fade-target.is-fading {
  opacity: 0.15;
}

/* Inner page prose */
.umbd-prose {
  max-width: var(--umbd-measure);
}

.umbd-prose h1 {
  font-family: var(--umbd-font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  margin: 0 0 1rem;
  color: var(--umbd-teal-deep);
}

.umbd-prose h2 {
  font-family: var(--umbd-font-display);
  font-size: 1.05rem;
  margin: 2rem 0 0.75rem;
  color: var(--umbd-wood);
}

.umbd-prose p {
  margin: 0 0 1rem;
}

.umbd-prose ul {
  margin: 0 0 1.25rem;
  padding-left: 1.2rem;
}

.umbd-prose li {
  margin-bottom: 0.4rem;
}

/* K16 Call | Write panels */
.umbd-contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--umbd-line);
  border: 1px solid var(--umbd-line);
  margin: 2rem 0 1.5rem;
}

@media (min-width: 640px) {
  .umbd-contact-split {
    grid-template-columns: 1fr 1fr;
  }
}

.umbd-panel {
  background: var(--umbd-paper);
  padding: 1.75rem 1.5rem;
}

.umbd-panel h2,
.umbd-panel h3 {
  font-family: var(--umbd-font-display);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 0.85rem;
  color: var(--umbd-teal-deep);
}

.umbd-panel p {
  margin: 0 0 0.75rem;
  font-size: 0.98rem;
}

.umbd-panel a.umbd-big {
  font-family: var(--umbd-font-display);
  font-size: 1.05rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--umbd-ink);
  display: inline-block;
  margin-top: 0.35rem;
  border-bottom: 2px solid var(--umbd-lagoon);
  transition: opacity 0.2s;
}

.umbd-panel a.umbd-big:hover {
  opacity: 0.75;
}

/* Forms */
.umbd-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 28rem;
  margin-top: 1rem;
}

.umbd-form label {
  font-family: var(--umbd-font-display);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--umbd-muted);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.umbd-form input,
.umbd-form textarea,
.umbd-form select {
  font-family: var(--umbd-font-body);
  font-size: 1rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--umbd-line);
  background: #fff;
  color: var(--umbd-ink);
  border-radius: var(--umbd-radius);
}

.umbd-form input:focus,
.umbd-form textarea:focus {
  outline: 2px solid var(--umbd-lagoon);
  outline-offset: 1px;
}

.umbd-form button[type="submit"] {
  font-family: var(--umbd-font-display);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  align-self: flex-start;
  padding: 0.7rem 1.25rem;
  background: var(--umbd-teal);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.umbd-form button[type="submit"]:hover {
  background: var(--umbd-teal-deep);
}

.umbd-form-success {
  display: none;
  font-family: var(--umbd-font-display);
  font-size: 0.9rem;
  color: var(--umbd-teal-deep);
  padding: 0.85rem 0;
  border-left: 3px solid var(--umbd-lagoon);
  padding-left: 0.85rem;
  margin-top: 1rem;
}

.umbd-form-success.is-visible {
  display: block;
}

.umbd-hours {
  font-family: var(--umbd-font-display);
  font-size: 0.85rem;
  color: var(--umbd-wood);
  margin: 1rem 0;
}

.umbd-visit-meta {
  margin: 1.5rem 0;
  max-width: var(--umbd-measure);
}

.umbd-visit-meta p {
  margin: 0 0 0.5rem;
}

/* F01 centered colophon + link row */
.umbd-footer {
  text-align: center;
  padding: 2.75rem 1.25rem 2rem;
  border-top: 1px solid var(--umbd-line);
  background: rgba(232, 242, 241, 0.45);
  margin-top: 2rem;
}

.umbd-footer-colophon {
  font-family: var(--umbd-font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--umbd-teal-deep);
  margin: 0 0 0.5rem;
}

.umbd-footer-contact {
  font-size: 0.92rem;
  color: var(--umbd-muted);
  margin: 0 0 1.25rem;
  line-height: 1.65;
}

.umbd-footer-contact a {
  color: var(--umbd-teal-deep);
  text-decoration: none;
}

.umbd-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem 1.1rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.umbd-footer-links a {
  font-family: var(--umbd-font-display);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--umbd-wood);
}

.umbd-footer-links a:hover {
  color: var(--umbd-teal);
}

.umbd-footer-copy {
  font-size: 0.78rem;
  color: var(--umbd-muted);
  margin: 0;
}

/* CB12 soft translucent blur cookie panel */
.umbd-cookie {
  position: fixed;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  max-width: 26rem;
  z-index: 80;
  padding: 1.15rem 1.2rem;
  background: rgba(250, 247, 242, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(26, 107, 106, 0.22);
  box-shadow: 0 12px 40px rgba(28, 26, 23, 0.12);
  display: none;
}

.umbd-cookie.is-visible {
  display: block;
}

.umbd-cookie p {
  font-size: 0.88rem;
  margin: 0 0 0.85rem;
  color: var(--umbd-ink);
  line-height: 1.55;
}

.umbd-cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.umbd-cookie-actions button {
  font-family: var(--umbd-font-display);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  border: 1px solid var(--umbd-teal);
  background: transparent;
  color: var(--umbd-teal-deep);
}

.umbd-cookie-actions button.umbd-accept {
  background: var(--umbd-teal);
  color: #fff;
  border-color: var(--umbd-teal);
}

.umbd-cookie-settings {
  display: none;
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--umbd-line);
}

.umbd-cookie-settings.is-open {
  display: block;
}

.umbd-cookie-settings label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  margin-bottom: 0.45rem;
  color: var(--umbd-muted);
}

body.umbd-nav-open {
  overflow: hidden;
}

.umbd-list-plain {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
}

.umbd-list-plain li {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--umbd-line);
  font-size: 0.98rem;
}

.umbd-list-plain strong {
  font-family: var(--umbd-font-display);
  font-weight: 500;
  font-size: 0.85rem;
  display: block;
  margin-bottom: 0.15rem;
  color: var(--umbd-teal-deep);
}