/* Manticore Field Node — ported from wildatlas-prototype, scoped to .fn-page */
.fn-page .site-header {
  position: relative;
  z-index: 40;
  background: color-mix(in srgb, #0a0c0e 92%, transparent);
  border-bottom: 1px solid rgba(238, 243, 239, 0.08);
}
.fn-page .site-footer {
  background: #0a0c0e;
  color: #9aa39c;
  border-top: 1px solid rgba(238, 243, 239, 0.1);
}
.fn-page .site-footer a { color: #6dff9a; }
.fn-page .fn-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem clamp(1rem, 4vw, 2rem);
  background: #0a0c0e;
  border-bottom: 1px solid rgba(238, 243, 239, 0.1);
  font-family: "Source Sans 3", var(--font-sans), sans-serif;
}
.fn-page .fn-subnav .brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: #eef3ef;
  line-height: 1.15;
}
.fn-page .fn-subnav .brand strong {
  font-family: "Bricolage Grotesque", var(--font-display), sans-serif;
  font-size: 1.05rem;
}
.fn-page .fn-subnav .brand span {
  font-size: 0.78rem;
  color: #6dff9a;
  letter-spacing: 0.04em;
}
.fn-page .fn-subnav nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  align-items: center;
}
.fn-page .fn-subnav a {
  color: #9aa39c;
  text-decoration: none;
  font-size: 0.92rem;
}
.fn-page .fn-subnav a:hover { color: #eef3ef; }
.fn-page .fn-subnav .nav-cta {
  background: #6dff9a;
  color: #0a0c0e !important;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
}
.fn-page .fn-main {
  background: #0a0c0e;
  color: #eef3ef;
}
.fn-page .hero-visual img {
  max-width: min(100%, 720px);
}

.fn-page {
  --bg: #0a0c0e;
  --bg-elev: #12161a;
  --ink: #eef3ef;
  --muted: #9aa39c;
  --line: rgba(238, 243, 239, 0.12);
  --accent: #6dff9a;
  --accent-dim: rgba(109, 255, 154, 0.16);
  --gold: #c9a46a;
  --shadow: 0 40px 100px rgba(0, 0, 0, 0.55);
  --font-display: "Bricolage Grotesque", "Avenir Next", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --pad: clamp(1.25rem, 4vw, 3.5rem);
  --max: 1120px;
  color-scheme: dark;
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

.fn-main a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #06110a;
  padding: 0.6rem 1rem;
  z-index: 100;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

/* —— Nav —— */
.nav {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding:
    max(0.75rem, env(safe-area-inset-top))
    max(var(--pad), env(safe-area-inset-right))
    0.75rem
    max(var(--pad), env(safe-area-inset-left));
  background: linear-gradient(180deg, rgba(10, 12, 14, 0.92), rgba(10, 12, 14, 0.55) 70%, transparent);
  pointer-events: none;
}

.nav > * {
  pointer-events: auto;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.1rem;
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  flex-shrink: 0;
}

.brand strong {
  font-size: clamp(1.15rem, 2.4vw, 1.75rem);
  font-weight: 800;
  line-height: 1;
}

.brand span {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--accent);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.4rem 0.85rem;
  align-items: center;
  font-size: 0.84rem;
  font-weight: 600;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links .nav-cta {
  color: #06110a;
  background: var(--accent);
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
}

.nav-links .nav-cta:hover {
  color: #06110a;
  filter: brightness(1.05);
}

@media (max-width: 720px) {
  .nav-links a:not(.nav-cta) {
    display: none;
  }
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  isolation: isolate;
  overflow: hidden;
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% 42%;
  transform: scale(1.04);
  animation: heroDrift 18s ease-in-out infinite alternate;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 12, 14, 0.35) 0%, rgba(10, 12, 14, 0.15) 35%, rgba(10, 12, 14, 0.72) 68%, rgba(10, 12, 14, 0.96) 100%),
    radial-gradient(ellipse 70% 55% at 70% 40%, rgba(109, 255, 154, 0.12), transparent 60%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 var(--pad) clamp(2.5rem, 7vh, 4.5rem);
  animation: riseIn 900ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero-copy h1 {
  margin: 0 0 0.85rem;
  max-width: 14ch;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 5rem);
  font-weight: 780;
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.hero-copy h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-lead {
  margin: 0 0 1.5rem;
  max-width: 36ch;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.85rem 1.25rem;
  font: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #06110a;
}

.btn-primary:hover {
  filter: brightness(1.06);
}

.btn-ghost {
  background: rgba(10, 12, 14, 0.45);
  border-color: var(--line);
  color: var(--ink);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  color: var(--accent);
}

/* —— Sections —— */
.section {
  padding: clamp(4rem, 10vh, 7rem) var(--pad);
}

.section-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.section-kicker {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.section h2 {
  margin: 0 0 0.85rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 750;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.section-lead {
  margin: 0;
  max-width: 48ch;
  color: var(--muted);
  font-size: 1.12rem;
}

.band {
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(109, 255, 154, 0.07), transparent 55%),
    var(--bg);
}

.band-alt {
  background:
    linear-gradient(180deg, #0e1215 0%, #0a0c0e 100%);
  border-block: 1px solid var(--line);
}

.split {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

@media (min-width: 900px) {
  .split {
    grid-template-columns: 1fr 1.15fr;
  }

  .split.reverse {
    grid-template-columns: 1.15fr 1fr;
  }

  .split.reverse .split-copy {
    order: 2;
  }
}

.schema-frame {
  position: relative;
  min-width: 0;
}

.schema-frame img {
  width: 100%;
  height: auto;
  max-height: min(72vh, 720px);
  object-fit: contain;
  object-position: center;
  border-radius: 4px;
  background:
    linear-gradient(180deg, rgba(18, 22, 26, 0.9), rgba(10, 12, 14, 0.95));
  box-shadow: var(--shadow);
  animation: fadeUp 900ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.point-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.point-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
  color: var(--muted);
}

.point-list strong {
  display: block;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.point-mark {
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px var(--accent-dim);
}

/* —— Paths —— */
.paths {
  display: grid;
  gap: 1px;
  margin-top: 2.5rem;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 800px) {
  .paths {
    grid-template-columns: 1fr 1fr;
  }
}

.path {
  background: var(--bg-elev);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 100%;
  transition: background 200ms ease;
}

.path:hover {
  background: #161b20;
}

.path h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.path p {
  margin: 0;
  color: var(--muted);
  flex: 1;
}

.path .btn {
  align-self: flex-start;
  margin-top: 0.5rem;
}

.path-tag {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

/* —— Values —— */
.values {
  display: grid;
  gap: 1.75rem;
  margin-top: 2.5rem;
}

@media (min-width: 720px) {
  .values {
    grid-template-columns: repeat(3, 1fr);
  }
}

.value h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 750;
}

.value p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.value-rule {
  width: 2rem;
  height: 2px;
  background: var(--accent);
  margin-bottom: 0.85rem;
}

/* —— 3D configurator —— */
.configure {
  --nav-offset: calc(4.25rem + env(safe-area-inset-top));
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 0;
  background: var(--bg);
  overflow: clip;
}

.configurator {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: minmax(48dvh, 1fr) auto;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  padding-top: var(--nav-offset);
}

@media (min-width: 900px) {
  .configurator {
    grid-template-columns: minmax(0, 1fr) min(22rem, 34vw);
    grid-template-rows: 1fr;
    height: 100vh;
    height: 100dvh;
    min-height: 0;
  }
}

@media (min-width: 1200px) {
  .configurator {
    grid-template-columns: minmax(0, 1fr) min(24rem, 28vw);
  }
}

/* Phones / short landscape: keep viewer + panel side-by-side */
@media (max-height: 560px) and (orientation: landscape) {
  .configurator {
    grid-template-columns: minmax(0, 1fr) min(17rem, 40vw);
    grid-template-rows: 1fr;
    height: 100vh;
    height: 100dvh;
  }

  .viewer-stage,
  .viewer-stage canvas {
    min-height: 0;
  }

  .config-panel {
    max-height: calc(100dvh - var(--nav-offset));
    height: 100%;
  }

  .viewer-intro h2 {
    font-size: 1.1rem;
  }
}

.viewer-stage {
  position: relative;
  min-height: 48dvh;
  min-width: 0;
  height: 100%;
  background:
    radial-gradient(ellipse 55% 45% at 50% 48%, rgba(109, 255, 154, 0.08), transparent 60%),
    linear-gradient(180deg, #12171b 0%, #0a0c0e 100%);
  overflow: hidden;
  touch-action: none;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 900px) {
  .viewer-stage {
    min-height: 0;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }
}

.viewer-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 48dvh;
  cursor: grab;
}

@media (min-width: 900px) {
  .viewer-stage canvas {
    min-height: 0;
  }
}

.viewer-stage canvas:active {
  cursor: grabbing;
}

.viewer-chrome {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.viewer-intro {
  position: absolute;
  top: 0.85rem;
  left: max(0.85rem, env(safe-area-inset-left));
  max-width: min(70%, 20rem);
}

.viewer-intro h2 {
  margin: 0;
  max-width: none;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 780;
  letter-spacing: -0.02em;
  line-height: 1;
}

.viewer-status {
  position: absolute;
  left: max(0.75rem, env(safe-area-inset-left));
  bottom: 0.75rem;
  margin: 0;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--line);
  background: rgba(8, 10, 12, 0.72);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  backdrop-filter: blur(8px);
}

.viewer-badges {
  position: absolute;
  top: 0.85rem;
  right: max(0.75rem, env(safe-area-inset-right));
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.3rem;
  max-width: min(46%, 16rem);
}

@media (max-width: 560px) {
  .viewer-badges {
    display: none;
  }

  .viewer-status {
    font-size: 0.68rem;
  }
}

.viewer-badges span {
  padding: 0.22rem 0.45rem;
  border: 1px solid var(--line);
  background: rgba(8, 10, 12, 0.65);
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.35;
  transition: opacity 160ms ease, color 160ms ease, border-color 160ms ease;
}

#configure[data-camera="on"] .viewer-badges [data-mod="camera"],
#configure[data-mic="on"] .viewer-badges [data-mod="mic"],
#configure[data-env="on"] .viewer-badges [data-mod="env"],
#configure[data-gps="on"] .viewer-badges [data-mod="gps"],
#configure[data-lora="on"] .viewer-badges [data-mod="lora"],
#configure[data-ethernet="on"] .viewer-badges [data-mod="ethernet"] {
  opacity: 1;
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}

.config-panel {
  position: relative;
  z-index: 3;
  width: 100%;
  max-height: none;
  overflow: auto;
  display: grid;
  gap: 0.75rem;
  padding:
    1rem
    max(1rem, env(safe-area-inset-right))
    max(1.15rem, env(safe-area-inset-bottom))
    max(1rem, env(safe-area-inset-left));
  border: 0;
  background: var(--bg-elev);
  align-content: start;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 900px) {
  .config-panel {
    height: 100%;
    max-height: calc(100dvh - var(--nav-offset));
    padding: 1.1rem 1.15rem 1.25rem;
    border-left: 0;
  }
}

.panel-kicker {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.config-block {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}

.config-row {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}

@media (min-width: 420px) {
  .config-row {
    grid-template-columns: 1fr 1fr;
  }
}

.config-block label,
.label-like {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
}

.config-block .hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

@media (max-width: 560px) {
  .config-block .hint {
    display: none;
  }
}

.config-panel select {
  appearance: none;
  width: 100%;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  background:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%) right 0.85rem center / 0.35rem 0.35rem no-repeat,
    linear-gradient(135deg, transparent 50%, var(--muted) 50%) right 0.55rem center / 0.35rem 0.35rem no-repeat,
    #0d1114;
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.65rem 2rem 0.65rem 0.75rem;
}

.config-panel select:focus {
  outline: 1px solid color-mix(in srgb, var(--accent) 55%, transparent);
}

.check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 0.65rem;
}

.check-grid.leds {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 420px) {
  .check-grid.leds {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.check-grid label,
.inline-check label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
  color: var(--muted);
  cursor: pointer;
  min-width: 0;
}

.check-grid input,
.inline-check input {
  accent-color: var(--accent);
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.inline-check {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
}

.btn-small {
  padding: 0.5rem 0.8rem;
  font-size: 0.8rem;
}

.config-summary {
  margin: 0;
  padding: 0.65rem 0.75rem;
  border-left: 2px solid var(--accent);
  background: rgba(109, 255, 154, 0.06);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.35;
  word-break: break-word;
}

.config-panel .cta-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
}

.config-panel .cta-row .btn {
  justify-content: center;
  width: 100%;
  text-align: center;
}

@media (min-width: 420px) and (max-width: 899px) {
  .config-panel .cta-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .config-panel .cta-row {
    grid-template-columns: 1fr;
  }
}

/* —— Closing —— */
.closing {
  text-align: left;
  background:
    radial-gradient(ellipse 70% 80% at 80% 20%, rgba(109, 255, 154, 0.1), transparent 50%),
    var(--bg);
}

.closing .section-inner {
  display: grid;
  gap: 1.5rem;
}

.closing h2 {
  max-width: 16ch;
}

.footer {
  padding: 1.5rem var(--pad) calc(1.5rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  align-items: center;
}

.footer a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
}

.footer a:hover {
  color: var(--accent);
}

@keyframes heroDrift {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.08) translate3d(-1.2%, 1%, 0); }
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-visual img,
  .hero-copy,
  .schema-frame img {
    animation: none !important;
  }
  .btn:hover {
    transform: none;
  }
}