/* Shared tokens */
:root {
  --fr-font-sans: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  --fr-font-serif: Georgia, "Times New Roman", serif;
  --fr-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  --fr-max: 70rem;
  --fr-radius: 12px;
  --fr-radius-lg: 18px;
  --fr-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Dark — default */
:root,
[data-theme="dark"] {
  color-scheme: dark;
  --fr-ink: #eef2f6;
  --fr-paper: #141b24;
  --fr-paper-elev: #1c2633;
  --fr-copper: #d46a2e;
  --fr-copper-hover: #e88042;
  --fr-copper-soft: rgba(212, 106, 46, 0.14);
  --fr-line: #2a3644;
  --fr-line-bright: #3a4d61;
  --fr-muted: #8b9aab;
  --fr-chrome-bg: #0c1117;
  --fr-chrome-border: rgba(255, 255, 255, 0.08);
  --fr-chrome-text: rgba(255, 255, 255, 0.9);
  --fr-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  --fr-eyebrow-bg: rgba(255, 255, 255, 0.06);
  --fr-input-bg: #1a2330;
  --fr-input-border: #3a4d61;
  --fr-error: #f87171;
  --fr-logo-sheet-1: #2a3644;
  --fr-logo-sheet-2: #354555;
  --fr-logo-sheet-3: #425465;
  --fr-logo-stroke: #dce4ec;
  --fr-logo-accent: var(--fr-copper);
}

[data-theme="light"] {
  color-scheme: light;
  --fr-ink: #17212b;
  --fr-paper: #f5f7f9;
  --fr-paper-elev: #ffffff;
  --fr-copper: #a8460b;
  --fr-copper-hover: #8d3908;
  --fr-copper-soft: rgba(168, 70, 11, 0.12);
  --fr-line: #d7dee5;
  --fr-line-bright: #c5ced8;
  --fr-muted: #536271;
  --fr-chrome-bg: #17212b;
  --fr-chrome-border: rgba(255, 255, 255, 0.08);
  --fr-chrome-text: rgba(255, 255, 255, 0.92);
  --fr-shadow: 0 10px 40px rgba(23, 33, 43, 0.08);
  --fr-eyebrow-bg: rgba(255, 255, 255, 0.75);
  --fr-input-bg: #ffffff;
  --fr-input-border: #9aa8b5;
  --fr-error: #8d1b1b;
  --fr-logo-sheet-1: #e8ecf0;
  --fr-logo-sheet-2: #f0f2f5;
  --fr-logo-sheet-3: #ffffff;
  --fr-logo-stroke: #17212b;
  --fr-logo-accent: var(--fr-copper);
}

[data-theme="paper"] {
  color-scheme: light;
  --fr-ink: #1c2824;
  --fr-paper: #f7f5ef;
  --fr-paper-elev: #fffdf8;
  --fr-copper: #9a4a12;
  --fr-copper-hover: #7d3c0e;
  --fr-copper-soft: rgba(154, 74, 18, 0.1);
  --fr-line: #d9d4c8;
  --fr-line-bright: #c9c3b6;
  --fr-muted: #5a6b64;
  --fr-chrome-bg: #2a3530;
  --fr-chrome-border: rgba(255, 255, 255, 0.1);
  --fr-chrome-text: rgba(255, 255, 255, 0.92);
  --fr-shadow: 0 10px 36px rgba(28, 40, 36, 0.1);
  --fr-eyebrow-bg: rgba(255, 253, 248, 0.85);
  --fr-input-bg: #fffdf8;
  --fr-input-border: #b8b0a4;
  --fr-error: #8d1b1b;
  --fr-logo-sheet-1: #e5dfd4;
  --fr-logo-sheet-2: #f0ebe3;
  --fr-logo-sheet-3: #fffdf8;
  --fr-logo-stroke: #1c2824;
  --fr-logo-accent: var(--fr-copper);
}

[data-theme="forest"] {
  color-scheme: dark;
  --fr-ink: #e8f2ee;
  --fr-paper: #0f1a18;
  --fr-paper-elev: #152622;
  --fr-copper: #3d9b7a;
  --fr-copper-hover: #4db38f;
  --fr-copper-soft: rgba(61, 155, 122, 0.14);
  --fr-line: #243833;
  --fr-line-bright: #325046;
  --fr-muted: #8aa89c;
  --fr-chrome-bg: #0a1210;
  --fr-chrome-border: rgba(255, 255, 255, 0.08);
  --fr-chrome-text: rgba(255, 255, 255, 0.9);
  --fr-shadow: 0 10px 40px rgba(0, 0, 0, 0.38);
  --fr-eyebrow-bg: rgba(61, 155, 122, 0.1);
  --fr-input-bg: #152622;
  --fr-input-border: #325046;
  --fr-error: #f87171;
  --fr-logo-sheet-1: #1e332c;
  --fr-logo-sheet-2: #264038;
  --fr-logo-sheet-3: #2f4d44;
  --fr-logo-stroke: #c8ddd4;
  --fr-logo-accent: var(--fr-copper);
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: var(--fr-chrome-bg);
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--fr-font-sans);
  color: var(--fr-ink);
  background: var(--fr-chrome-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--fr-copper); text-decoration: none; }
a:hover { color: var(--fr-copper-hover); text-decoration: underline; }

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

/* —— Site header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
  background: var(--fr-chrome-bg);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--fr-chrome-border);
  color: var(--fr-chrome-text);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  max-width: var(--fr-max);
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: inherit;
  text-decoration: none;
  font: 700 1.05rem var(--fr-font-serif);
  flex-shrink: 0;
}

.site-brand:hover { text-decoration: none; opacity: 0.95; color: inherit; }

.fr-logo-mark {
  display: block;
  width: 2rem;
  height: auto;
  flex-shrink: 0;
}

.fr-logo-mark--hero {
  width: min(100%, 11rem);
  filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.18));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav__panel {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav__links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__links a {
  color: var(--fr-chrome-text);
  font-size: 0.9rem;
  text-decoration: none;
  white-space: nowrap;
  opacity: 0.9;
}

.site-nav__links a:hover { opacity: 1; color: inherit; text-decoration: underline; }

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.theme-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.theme-switcher label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.65;
  color: var(--fr-chrome-text);
}

.theme-switcher select {
  font: inherit;
  font-size: 0.8rem;
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--fr-chrome-border);
  background: rgba(0, 0, 0, 0.2);
  color: var(--fr-chrome-text);
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font: 600 0.875rem var(--fr-font-sans);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 160ms var(--fr-ease), background 160ms var(--fr-ease), border-color 160ms var(--fr-ease);
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  color: #fff;
  background: var(--fr-copper);
  border-color: var(--fr-copper);
}

.btn-primary:hover { background: var(--fr-copper-hover); border-color: var(--fr-copper-hover); color: #fff; }

.btn-ghost {
  color: var(--fr-chrome-text);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); color: inherit; }

.btn-on-surface {
  color: var(--fr-ink);
  border-color: var(--fr-line);
  background: transparent;
}

.btn-on-surface:hover {
  background: var(--fr-copper-soft);
  color: var(--fr-ink);
  border-color: var(--fr-line-bright);
}

.site-nav__toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--fr-chrome-border);
  color: inherit;
  border-radius: 8px;
  padding: 0.4rem 0.65rem;
  font: inherit;
  cursor: pointer;
}

/* —— Layout —— */
main {
  flex: 1 0 auto;
  width: 100%;
  padding: 0 1.25rem 3rem;
  max-width: var(--fr-max);
  margin: 0 auto;
  background: var(--fr-paper);
}

.page-title {
  font-family: var(--fr-font-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.15;
  margin: 2rem 0 0.75rem;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--fr-muted);
  border: 1px solid var(--fr-line);
  background: var(--fr-eyebrow-bg);
  margin-bottom: 1rem;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
}

/* —— Hero —— */
.hero {
  padding: 3.5rem 0 2.5rem;
  display: grid;
  gap: 2rem;
  align-items: center;
}

.hero h1 {
  font-family: var(--fr-font-serif);
  font-size: clamp(2.25rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.hero .tagline {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.55;
  color: var(--fr-muted);
  max-width: 38rem;
  margin: 0 0 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.hero-actions .btn-primary { color: #fff; }

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

@media (min-width: 56rem) {
  .hero { grid-template-columns: 1.1fr 0.9fr; padding: 4.5rem 0 3rem; }
  .hero-visual { justify-self: end; }
}

/* —— Stats strip —— */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 2rem 0 3rem;
  padding: 1.5rem;
  background: var(--fr-paper-elev);
  border: 1px solid var(--fr-line);
  border-radius: var(--fr-radius-lg);
}

.stat-item strong {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.stat-item span {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fr-muted);
}

@media (min-width: 40rem) {
  .stat-strip { grid-template-columns: repeat(4, 1fr); }
}

/* —— Cards —— */
.card-grid {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (min-width: 48rem) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}

.card {
  margin: 0;
  padding: 1.35rem 1.25rem;
  background: var(--fr-paper-elev);
  border: 1px solid var(--fr-line);
  border-radius: var(--fr-radius-lg);
  transition: transform 200ms var(--fr-ease), border-color 200ms var(--fr-ease), box-shadow 200ms var(--fr-ease);
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--fr-line-bright);
  box-shadow: var(--fr-shadow);
}

.card strong { display: block; margin-bottom: 0.35rem; font-size: 1rem; }
.card h2, .card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }

/* —— Quick actions —— */
.quick-actions {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0 2rem;
}

@media (min-width: 40rem) {
  .quick-actions { grid-template-columns: repeat(3, 1fr); }
}

.quick-action {
  display: block;
  padding: 1.1rem 1.15rem;
  background: var(--fr-paper-elev);
  border: 1px solid var(--fr-line);
  border-radius: var(--fr-radius);
  color: var(--fr-ink);
  text-decoration: none;
  transition: border-color 160ms var(--fr-ease), background 160ms var(--fr-ease);
}

.quick-action:hover {
  text-decoration: none;
  border-color: var(--fr-copper);
  background: var(--fr-copper-soft);
  color: var(--fr-ink);
}

.quick-action strong { display: block; margin-bottom: 0.25rem; }
.quick-action span { font-size: 0.875rem; color: var(--fr-muted); }

.home-records {
  display: grid;
  gap: 1.25rem;
  margin: 2rem 0 0;
}

@media (min-width: 48rem) {
  .home-records { grid-template-columns: repeat(2, 1fr); }
}

.home-records__section h2 {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
}

.home-records__section .record-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.home-records__section .record-list li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--fr-line);
}

.home-records__section .record-list li:last-child {
  border-bottom: 0;
}

/* —— About —— */
.about-hero {
  display: grid;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0 3rem;
}

.about-copy h1 {
  font-family: var(--fr-font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}

.about-copy p { margin: 0 0 1rem; line-height: 1.65; }
.about-points { display: grid; gap: 1rem; margin-top: 2rem; }

@media (min-width: 56rem) {
  .about-hero { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); }
}

/* —— Profile —— */
.profile-header {
  padding: 2rem 0 1rem;
  border-bottom: 1px solid var(--fr-line);
  margin-bottom: 1.5rem;
}

.profile-header h1 {
  font-family: var(--fr-font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0 0 0.5rem;
  line-height: 1.1;
}

.profile-meta { color: var(--fr-muted); line-height: 1.6; margin: 0.5rem 0 0; }

.section-label {
  font-family: var(--fr-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fr-muted);
  margin: 2rem 0 0.75rem;
}

/* —— Forms & lists —— */
form { display: grid; gap: 0.75rem; max-width: 44rem; }

input, textarea, select, button.raw {
  font: inherit;
  padding: 0.75rem;
  border: 1px solid var(--fr-input-border);
  border-radius: 0.35rem;
  background: var(--fr-input-bg);
  color: var(--fr-ink);
}

button.raw {
  color: #fff;
  background: var(--fr-copper);
  border: 0;
  cursor: pointer;
}

.record-list { list-style: none; padding: 0; margin: 1rem 0; }

.record-list li {
  padding: 0.85rem 1rem;
  border: 1px solid var(--fr-line);
  border-radius: var(--fr-radius);
  background: var(--fr-paper-elev);
  margin-bottom: 0.5rem;
}

.record-list li:last-child { margin-bottom: 0; }

table.data { width: 100%; border-collapse: collapse; margin: 1rem 0; }
table.data th, table.data td { text-align: left; padding: 0.6rem; border-bottom: 1px solid var(--fr-line); }

.record-detail h2 { margin-top: 2rem; }
code { overflow-wrap: anywhere; }
.muted { color: var(--fr-muted); }
.error { color: var(--fr-error); }

/* —— Search —— */
.search-layout { display: grid; gap: 1.5rem; margin-top: 1.5rem; }

.search-form {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: end;
  max-width: none;
}

.search-facets {
  padding: 1rem;
  background: var(--fr-paper-elev);
  border: 1px solid var(--fr-line);
  border-radius: var(--fr-radius-lg);
}

.facet-list { list-style: none; padding: 0; margin: 0 0 1rem; }
.facet-link { display: inline-block; padding: 0.25rem 0; }
.facet-link.active { font-weight: 600; }

.search-hit {
  padding: 1rem 1.1rem;
  border-radius: var(--fr-radius);
  border: 1px solid var(--fr-line);
  background: var(--fr-paper-elev);
  transition: border-color 200ms var(--fr-ease);
}

.search-hit:hover { border-color: var(--fr-copper); }
.search-hit h2 { margin: 0 0 0.35rem; font-size: 1.15rem; }

.pagination { display: flex; gap: 1rem; align-items: center; margin-top: 1rem; flex-wrap: wrap; }
.inline-form { display: inline; margin-left: 0.5rem; }
.inline-form button { padding: 0.35rem 0.65rem; font-size: 0.9rem; }

@media (min-width: 56rem) {
  .search-layout { grid-template-columns: 14rem minmax(0, 1fr); }
}

/* —— Footer —— */
.site-footer {
  flex-shrink: 0;
  width: 100%;
  margin-top: 0;
  padding: 2.5rem 1.25rem 2rem;
  background: var(--fr-chrome-bg);
  color: rgba(255, 255, 255, 0.75);
  border-top: 1px solid var(--fr-chrome-border);
}

.site-footer__inner {
  max-width: var(--fr-max);
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}

.site-footer a { color: rgba(255, 255, 255, 0.88); }
.site-footer a:hover { color: #fff; }

.site-footer__brand {
  font: 700 1.1rem var(--fr-font-serif);
  color: #fff;
  margin-bottom: 0.35rem;
}

.site-footer__brand a,
.site-footer__bottom a {
  color: #fff;
  text-decoration: none;
}

.site-footer__brand a:hover,
.site-footer__bottom a:hover {
  text-decoration: underline;
  color: #fff;
}

.site-footer__cols {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 48rem) {
  .site-footer__cols { grid-template-columns: repeat(4, 1fr); }
}

.site-footer__col h3 {
  font-family: var(--fr-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin: 0 0 0.75rem;
}

.site-footer__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
  font-size: 0.9rem;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.site-footer .theme-switcher label { color: rgba(255, 255, 255, 0.55); }
.site-footer .theme-switcher select {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}

/* —— Concept grid (dev) —— */
.concept-grid { display: grid; gap: 1.5rem; margin-top: 1.5rem; }
.concept-card img { margin-top: 0.75rem; border: 1px solid var(--fr-line); border-radius: 0.35rem; }

/* —— Mobile nav —— */
@media (max-width: 52rem) {
  .site-nav__toggle { display: inline-flex; }

  .site-nav__panel {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--fr-chrome-bg);
    border-bottom: 1px solid var(--fr-chrome-border);
    padding: 1rem 1.25rem 1.25rem;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .site-header.is-open .site-nav__panel { display: flex; }
  .site-nav { position: relative; }

  .site-nav__links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
  }

  .site-nav__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav__actions .btn { width: 100%; justify-content: center; }
}

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