/* ===================================================================
   Field Notes — design tokens
   Palette grounded in the field-journal subject: paper white, ink,
   a moss accent (the world being catalogued), a small ochre flag
   for interactive/active states — not a generic warm-cream/terracotta
   default.
   =================================================================== */
:root {
  --paper: #fbfbf9;
  --paper-dim: #f2f1ec;
  --ink: #1c1c1a;
  --ink-soft: #55554e;
  --line: #e3e1d8;
  --moss: #3f4f34;
  --moss-soft: #6b7a5c;
  --ochre: #a8752f;

  --font-display: "Fraunces", serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --gap: clamp(1rem, 2vw, 1.75rem);
  --max-width: 1280px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

button {
  font-family: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
}

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

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* Focus visibility */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 251, 249, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.1rem var(--gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-mark {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  border: 1px solid var(--ink);
  border-radius: 3px;
  padding: 0.2rem 0.4rem;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  gap: 1.75rem;
  align-items: center;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  padding-bottom: 3px;
}

.nav-link.is-active,
.nav-link:hover {
  color: var(--ink);
}

.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: var(--moss);
}

.nav-link-instagram { color: var(--moss-soft); }
.nav-link-instagram:hover { color: var(--moss); }

/* ============ HERO ============ */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5rem) var(--gap) clamp(1.5rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--moss-soft);
  margin: 0 0 0.75rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 1.1rem;
  max-width: 18ch;
}

.hero-sub {
  font-size: 1.02rem;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0;
}

.hero-image-wrap {
  position: relative;
  aspect-ratio: 5 / 4;
  overflow: hidden;
  border-radius: 2px;
  background: var(--paper-dim);
}

.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.1s ease;
}

.hero-slide.is-active { opacity: 1; z-index: 1; }

/* ============ FILTER BAR ============ */
.filter-bar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap) 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.75rem;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.filter-row-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-right: 0.35rem;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.chip:hover {
  border-color: var(--moss-soft);
  color: var(--ink);
}

.chip.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.chip-sub.is-active,
.chip-type.is-active { background: var(--moss); border-color: var(--moss); }

/* ============ GALLERY ============ */
.gallery {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(1.5rem, 3vw, 2.5rem) var(--gap) 4rem;
  columns: 3;
  column-gap: var(--gap);
}

@media (max-width: 900px) {
  .gallery { columns: 2; }
}
@media (max-width: 560px) {
  .gallery { columns: 1; }
}

.card {
  cursor: pointer;
  display: block;
  break-inside: avoid;
  margin-bottom: var(--gap);
}

.card-meta { margin-top: 0.65rem; }


.card-image-wrap {
  position: relative;
  overflow: hidden;
  background: var(--paper-dim);
  border-radius: 2px;
  line-height: 0;
}

.card-image-wrap img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.card:hover .card-image-wrap img { transform: scale(1.035); }

.card-format-tag {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(28, 28, 26, 0.72);
  color: var(--paper);
  padding: 0.22rem 0.5rem;
  border-radius: 2px;
}

.card-meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  margin: 0;
}

.card-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  margin: 0;
}

.empty-state {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem var(--gap) 6rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-align: center;
}

/* ============ ABOUT PANEL ============ */
.about-panel {
  border-top: 1px solid var(--line);
  background: var(--paper-dim);
}

.about-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 5.5rem) var(--gap);
  display: grid;
  grid-template-columns: minmax(220px, 360px) 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

@media (max-width: 800px) {
  .about-inner { grid-template-columns: 1fr; }
}

.about-photo-wrap {
  aspect-ratio: 4 / 5;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-photo-placeholder {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  text-align: center;
  padding: 1.5rem;
  margin: 0;
}

.about-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--moss-soft);
  margin: 0 0 0.6rem;
}

.about-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 1.25rem;
}

.about-body {
  font-size: 1.02rem;
  color: var(--ink-soft);
  line-height: 1.7;
  white-space: pre-line;
}

.about-instagram {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--moss);
  color: var(--moss);
  padding-bottom: 2px;
}

.about-instagram:hover { color: var(--ochre); border-color: var(--ochre); }

/* ============ DETAIL OVERLAY ============ */
.detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--paper);
  overflow-y: auto;
}

.detail-close {
  position: fixed;
  top: 1.25rem;
  right: 1.5rem;
  z-index: 51;
  width: 2.4rem;
  height: 2.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
}

.detail-close span {
  position: absolute;
  width: 14px;
  height: 1px;
  background: var(--ink);
}
.detail-close span:first-child { transform: rotate(45deg); }
.detail-close span:last-child { transform: rotate(-45deg); }

.detail-content {
  max-width: 980px;
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 6rem) var(--gap) 5rem;
}

.detail-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--moss-soft);
  margin: 0 0 0.75rem;
}

.detail-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 1rem;
  max-width: 22ch;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 0;
  margin-bottom: 2.5rem;
}

.detail-meta span b {
  color: var(--ink);
  font-weight: 500;
}

.detail-image-wrap {
  margin-bottom: 2rem;
  background: var(--paper-dim);
}

.detail-image-wrap img { width: 100%; height: auto; }

.detail-story {
  max-width: 68ch;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--ink);
}

.detail-story p { margin: 0 0 1.2em; }

.series-entry {
  margin-bottom: 3rem;
}

.series-entry-caption {
  margin-top: 0.85rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
  max-width: 60ch;
}

.series-entry-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--moss-soft);
  margin-top: 0.85rem;
  display: block;
}

/* ============ FOOTER ============ */
.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem var(--gap) 3rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}