/* ==============================================
   Observations — Narrative-First Layout
   Uses site tokens from blend.css :root
   ============================================== */

/* Very long animated fragment jumps can be interrupted during cold loading.
   Keep native anchors/history, but make section navigation immediate. */
html:has(body.observations-page) {
  scroll-behavior: auto;
}

/* Dark theme scoped to the gallery page only.
   Override the shared light tokens so text stays readable
   against a black background. Astro images look better on black. */
.observations-page {
  --bg: #000000;
  --surface: #0b0b0d;
  --surface-2: #131317;
  --surface-3: #0f0f12;
  --surface-dark: #000000;
  --ink: #f4f4f5;
  --ink-muted: #a7a7ad;
  --ink-faint: #6a6a70;
  --line: rgba(255,255,255,0.10);
  --line-strong: rgba(255,255,255,0.20);
  background: #000000;
  color: #f4f4f5;
}

.observations-page .site-nav,
.observations-page .site-foot {
  background: #000000;
  color: #f4f4f5;
  border-color: rgba(255,255,255,0.10);
}
.observations-page .site-nav a,
.observations-page .site-foot a { color: #f4f4f5; }
.observations-page .site-nav a:hover,
.observations-page .site-foot a:hover { color: var(--accent); }

/* Jumpnav uses rgba(255,255,255,0.96) which is opaque white — flip to dark */
.observations-page .obs-jumpnav__summary,
.observations-page .obs-jumpnav__links {
  background: rgba(20,20,24,0.96);
  color: #f4f4f5;
  border-color: rgba(255,255,255,0.14);
}
.observations-page .obs-jumpnav__links a { color: #e5e5e7; border-left-color: transparent; }
.observations-page .obs-jumpnav__links a:hover,
.observations-page .obs-jumpnav__links a:focus {
  background: rgba(0,193,207,0.10);
  color: var(--accent);
  border-left-color: var(--accent);
}

/* Match the shared Back to top control to the gallery jump-menu pill. */
.observations-page .back-to-top {
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  background: rgba(20,20,24,0.96);
  color: #f4f4f5;
  border-color: rgba(255,255,255,0.14);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  box-shadow: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition:
    opacity 0.2s ease,
    transform 0.22s ease,
    background-color 0.15s,
    border-color 0.15s,
    color 0.15s;
}
.observations-page .back-to-top:hover,
.observations-page .back-to-top:focus-visible {
  background: rgba(20,20,24,0.96);
  color: var(--accent);
  border-color: var(--accent);
}
@media (max-width: 600px) {
  .observations-page .back-to-top {
    gap: 0.5rem;
    padding: 0.5rem 0.9rem;
  }
  .observations-page .back-to-top__label {
    display: inline-block;
  }
}

/* Tile images look cleaner with a subtle border on black */
.observations-page .obs-tile img { border: 1px solid rgba(255,255,255,0.08); }

.observations-narrative {
  background: var(--bg);
  color: var(--ink);
}

.obs-main {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-6) 6rem;
}

/* ---------- Hero ---------- */
.obs-hero {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 3rem;
}
.obs-hero__inner {
  max-width: 780px;
}
.obs-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.obs-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  line-height: 1.05;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
}
.obs-hero__lede {
  font-family: var(--font-body);
  font-size: 1.125rem;
  color: var(--ink);
  opacity: 0.72;
  margin: 0;
  line-height: 1.55;
}

/* ---------- Intro ---------- */
.obs-intro {
  margin-bottom: 3.5rem;
}
.obs-intro__inner {
  display: grid;
  gap: 3rem;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}
@media (max-width: 900px) {
  .obs-intro__inner { grid-template-columns: 1fr; }
}
.obs-intro__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.75rem;
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
}
.obs-intro__text p {
  font-family: var(--font-body);
  line-height: 1.65;
  margin: 0 0 1rem;
  color: var(--ink);
}
.obs-intro__setup {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 720px;
  gap: 0.75rem;
  margin-bottom: var(--space-6);
}
@media (max-width: 600px) {
  .obs-intro__setup { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.obs-intro__setup .obs-tile img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
}
.obs-intro__organization {
  margin-top: 2.5rem;
}

/* ---------- Jump Nav (dropdown) ---------- */
.observations-page .site-header {
  /* This page's jump control occupies the top edge once the header scrolls away. */
  position: relative;
  top: auto;
}
.obs-jumpnav {
  position: sticky;
  top: 0;
  z-index: 5;
  margin: 0 0 2.5rem;
  /* details closes to a compact bar */
}
.obs-jumpnav__summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink);
  user-select: none;
  transition: border-color 0.15s, color 0.15s;
}
.obs-jumpnav__summary::-webkit-details-marker { display: none; }
.obs-jumpnav__summary::marker { content: ""; }
.obs-jumpnav__summary:hover,
.obs-jumpnav__summary:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  outline: none;
}
.obs-jumpnav__chev {
  font-size: 0.85rem;
  transition: transform 0.15s;
  line-height: 1;
}
.obs-jumpnav[open] .obs-jumpnav__chev {
  transform: rotate(180deg);
}
.obs-jumpnav__links {
  position: absolute;
  top: 100%;
  left: 0;
  width: min(360px, 100%);
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 0.5rem;
  padding: 0.5rem 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  max-width: 360px;
  max-height: 60vh;
  overflow-y: auto;
}
.obs-jumpnav__links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  opacity: 0.82;
  text-decoration: none;
  padding: 0.55rem 1rem;
  border-left: 2px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s, opacity 0.15s;
}
.obs-jumpnav__links a:hover,
.obs-jumpnav__links a:focus {
  color: var(--accent);
  background: rgba(0, 193, 207, 0.06);
  border-left-color: var(--accent);
  opacity: 1;
  outline: none;
}

/* ---------- Section ---------- */
.obs-section {
  padding: 2.5rem 0 3.5rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 64px;
}
.obs-section__header { margin-bottom: 2.5rem; max-width: 780px; }
.obs-section__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: -0.015em;
  margin: 0 0 0.5rem;
  text-transform: capitalize;
}
.obs-section__subheading {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  opacity: 0.85;
  margin: 0;
}
.obs-section__entries {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

/* ---------- Entry (one narrative object) ---------- */
.obs-entry {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  align-items: start;
  scroll-margin-top: 64px;
}
@media (max-width: 800px) {
  .obs-entry { grid-template-columns: 1fr; gap: 1.25rem; }
}

/* Alternate layout: image left, text right on every other entry for rhythm */
.obs-section__entries .obs-entry:nth-child(even) {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
}
.obs-section__entries .obs-entry:nth-child(even) .obs-entry__body { order: 2; }
.obs-section__entries .obs-entry:nth-child(even) .obs-entry__tiles,
.obs-section__entries .obs-entry:nth-child(even) .obs-entry__tile-solo { order: 1; }
@media (max-width: 800px) {
  .obs-section__entries .obs-entry:nth-child(even) { grid-template-columns: 1fr; }
  .obs-section__entries .obs-entry:nth-child(even) .obs-entry__body,
  .obs-section__entries .obs-entry:nth-child(even) .obs-entry__tiles,
  .obs-section__entries .obs-entry:nth-child(even) .obs-entry__tile-solo { order: initial; }
}

.obs-entry__body {
  min-width: 0;
}

/* Text-only entries: no tile column, body spans full width in a two-column readable layout. */
.obs-entry--textonly {
  grid-template-columns: 1fr;
}
.obs-entry--textonly .obs-entry__body {
  max-width: 68ch;
}
.obs-entry__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
  color: var(--ink);
  overflow-wrap: anywhere;
}
.obs-entry__note {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0 0 0.5rem;
  color: var(--ink);
  opacity: 0.85;
  overflow-wrap: anywhere;
}
.obs-entry__facts {
  margin: 1rem 0 0;
  display: grid;
  gap: 0.4rem;
  grid-template-columns: 1fr;
}
.obs-entry__fact {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.35;
  align-items: baseline;
}
.obs-entry__fact-key {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.55;
  color: var(--ink);
}
.obs-entry__fact-val {
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- Tiles ---------- */
.obs-entry__tile-solo .obs-tile {
  aspect-ratio: 1 / 1;
}
.obs-entry--album-addition .obs-tile,
.obs-entry--album-addition .obs-tile img {
  aspect-ratio: auto;
  height: auto;
  object-fit: contain;
}
.obs-entry__tiles {
  display: grid;
  min-width: 0;
  gap: 0.6rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.obs-entry__tiles--wide {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}
.obs-entry__tiles--stacked {
  grid-template-columns: minmax(0, 1fr);
}
.obs-entry__tiles--stacked .obs-tile {
  aspect-ratio: auto;
}
.obs-entry__tiles--stacked .obs-tile img {
  height: auto;
  object-fit: contain;
}
.obs-entry__no-image {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  opacity: 0.35;
  padding: 1rem;
  border: 1px dashed var(--line);
  border-radius: 4px;
  text-align: center;
  align-self: center;
}
.obs-tile {
  all: unset;
  display: block;
  position: relative;
  cursor: zoom-in;
  overflow: hidden;
  border-radius: 3px;
  background: #0a0a0a;
  aspect-ratio: 1 / 1;
  width: 100%;
  transition: transform 0.2s ease-out;
}
.obs-tile:hover,
.obs-tile:focus-visible { transform: translateY(-2px); outline: none; }
.obs-tile:focus-visible { box-shadow: 0 0 0 2px var(--accent); }
.obs-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease-out;
}
.obs-tile:hover img { transform: scale(1.03); }

/* ---------- Outro ---------- */
.obs-outro {
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  opacity: 0.7;
  line-height: 1.6;
  text-align: center;
}
.obs-outro a { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(0,193,207,0.4); }
.obs-outro a:hover { border-bottom-color: var(--accent); }

/* ---------- Extras section ---------- */
.obs-section--extras {
  border-top: 1px solid var(--line);
}

/* ==============================================
   LIGHTBOX
   ============================================== */
.obs-lightbox {
  position: fixed;
  inset: 0;
  background: #060608;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity 0.2s;
}
.obs-lightbox[data-open="true"] {
  opacity: 1;
}
.obs-lightbox[hidden] { display: none; }
.obs-lightbox__close,
.obs-lightbox__prev,
.obs-lightbox__next {
  position: absolute;
  background: rgba(255,255,255,0.06);
  color: #f6f6f6;
  border: 1px solid rgba(255,255,255,0.15);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s;
}
.obs-lightbox__close:hover,
.obs-lightbox__prev:hover,
.obs-lightbox__next:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.35);
}
.obs-lightbox__close { top: 1.5rem; right: 1.5rem; }
.obs-lightbox__prev  { left:  1.5rem; top: 50%; transform: translateY(-50%); }
.obs-lightbox__next  { right: 1.5rem; top: 50%; transform: translateY(-50%); }
.obs-lightbox__counter {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: rgba(255,255,255,0.72);
}
.obs-lightbox__figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 100%;
  max-height: 100%;
  gap: 1.25rem;
}
.obs-lightbox__img {
  max-width: min(88vw, 1400px);
  max-height: 72vh;
  object-fit: contain;
  background: #000;
  border-radius: 2px;
}
.obs-lightbox__caption {
  color: #f6f6f6;
  max-width: min(88vw, 900px);
  text-align: center;
}
.obs-lightbox__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: #fff;
  margin-bottom: 0.75rem;
}
.obs-lightbox__facts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.75rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.obs-lightbox__facts .lb-fact {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}
.obs-lightbox__facts .lb-fact-key {
  opacity: 0.5;
  color: rgba(255,255,255,0.85);
}
.obs-lightbox__facts .lb-fact-val {
  color: #fff;
}

@media (max-width: 640px) {
  .obs-lightbox { padding: 0.75rem; }
  .obs-lightbox__close,
  .obs-lightbox__prev,
  .obs-lightbox__next { width: 40px; height: 40px; font-size: 1.35rem; }
  .obs-lightbox__close { top: 0.75rem; right: 0.75rem; }
  .obs-lightbox__prev  { left: 0.5rem; }
  .obs-lightbox__next  { right: 0.5rem; }
  .obs-lightbox__counter { top: 0.85rem; left: 0.75rem; font-size: 0.75rem; }
  .obs-lightbox__img { max-height: 60vh; }
  .obs-lightbox__title { font-size: 1.2rem; }
  .obs-lightbox__facts { font-size: 0.7rem; gap: 0.4rem 1rem; }
}

/* Prevent body scroll when lightbox open */
body.obs-lightbox-open { overflow: hidden; }