/* ==========================================================================
   RADAR SPEED DISPLAY SYSTEMS — page sections + interactive model builder
   Loaded after css/styles.css. Inherits its custom properties.
   All configurator classes are namespaced .rc-* to avoid collisions.
   ========================================================================== */

:root {
  --rc-panel: var(--dark-2);
  --rc-panel-2: var(--dark-3);
  --rc-line: var(--gray-dark);
  --rc-accent: var(--yellow);
  --rc-accent-soft: rgba(245, 166, 35, 0.13);
  --rc-success: #2ecc71;
  --rc-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  --rc-shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
  --rc-radius: 14px;
  --rc-mono: "SF Mono", "JetBrains Mono", "Courier New", monospace;
}

/* Anchor targets sit below the sticky navbar rather than under it. */
#range, #models, #builder { scroll-margin-top: 96px; }

/* ==========================================================================
   1. RANGE OVERVIEW — "four choices" axis cards
   ========================================================================== */
.r-range {
  padding: 60px 0;
  background: var(--dark-2);
  border-top: 1px solid var(--dark-3);
}
.r-axes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.r-axis {
  background: var(--dark);
  border: 1px solid var(--gray-dark);
  border-radius: 6px;
  padding: 24px 22px 20px;
  position: relative;
  overflow: hidden;
}
.r-axis::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--yellow);
}
.r-axis-step {
  font-family: var(--rc-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 10px;
  display: block;
}
.r-axis h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}
.r-axis > p {
  font-size: 0.85rem;
  color: var(--gray-light);
  margin-bottom: 18px;
  line-height: 1.55;
}
/* Caveat under a choice list — sits last, so it loses the trailing margin. */
.r-axis-note {
  font-size: 0.78rem;
  color: var(--gray);
  line-height: 1.55;
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--gray-dark);
}
.r-choice {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 0;
  border-top: 1px solid var(--dark-3);
}
.r-choice svg {
  flex: none;
  color: var(--yellow);
  margin-top: 2px;
}
.r-choice b {
  display: block;
  color: var(--white);
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.r-choice span {
  font-size: 0.8rem;
  color: var(--gray-light);
  line-height: 1.5;
  display: block;
}
.r-choice code {
  font-family: var(--rc-mono);
  font-size: 0.72rem;
  color: var(--yellow-dim);
  background: rgba(245, 166, 35, 0.08);
  padding: 1px 6px;
  border-radius: 3px;
  margin-left: 6px;
}

/* ---- Part-number decoder ---- */
.r-decoder {
  background: var(--dark);
  border: 1px solid var(--gray-dark);
  border-radius: 6px;
  padding: 32px 28px 26px;
}
.r-decoder h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}
.r-decoder > p {
  font-size: 0.88rem;
  color: var(--gray-light);
  margin-bottom: 26px;
}
.r-pn {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 8px;
}
.r-pn-seg {
  flex: 1 1 96px;
  min-width: 92px;
  background: var(--dark-2);
  border: 1px solid var(--gray-dark);
  border-top: 3px solid var(--gray-dark);
  border-radius: 4px;
  padding: 12px 12px 14px;
  transition: border-color 0.2s, background 0.2s;
}
.r-pn-seg:hover { border-color: var(--yellow-dim); background: var(--dark-3); }
.r-pn-seg.is-key { border-top-color: var(--yellow); }
.r-pn-code {
  display: block;
  font-family: var(--rc-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.r-pn-seg.is-key .r-pn-code { color: var(--yellow); }
.r-pn-what {
  display: block;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 4px;
}
.r-pn-val {
  display: block;
  font-size: 0.76rem;
  color: var(--gray-light);
  line-height: 1.45;
}

/* ==========================================================================
   3. COMPARISON — 2-Digit vs 3-Digit
   ========================================================================== */
.r-compare { padding: 60px 0; background: var(--dark-2); }
.r-compare-wrap { overflow-x: auto; border: 1px solid var(--gray-dark); border-radius: 6px; }
.r-compare-table { width: 100%; border-collapse: collapse; min-width: 680px; }
.r-compare-table th {
  padding: 18px 20px;
  text-align: left;
  border-bottom: 1px solid var(--gray-dark);
  background: var(--dark);
  vertical-align: bottom;
}
.r-compare-table th:first-child { width: 30%; }
.r-col-name {
  display: block;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 3px;
}
.r-col-sub {
  display: block;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--yellow);
}
.r-compare-table th.r-col-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
}
.r-compare-table td {
  padding: 13px 20px;
  font-size: 0.88rem;
  color: var(--off-white);
  border-bottom: 1px solid var(--dark-3);
}
.r-compare-table td:first-child {
  color: var(--gray-light);
  font-weight: 600;
  font-size: 0.83rem;
}
.r-compare-table tbody tr:last-child td { border-bottom: none; }
.r-compare-table tbody tr:hover td { background: rgba(245, 166, 35, 0.035); }
.r-compare-table tr.r-group td {
  background: var(--dark);
  color: var(--yellow);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 10px 20px;
}
.r-compare-table tr.r-group:hover td { background: var(--dark); }
.r-same { color: var(--gray); font-size: 0.8rem; }

/* ==========================================================================
   4. ADD-ON MODULES (ANPR / LPU / solar)
   ========================================================================== */
.r-modules { padding: 60px 0; background: var(--dark); }
.r-module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.r-module {
  background: var(--dark-2);
  border: 1px solid var(--gray-dark);
  border-radius: 6px;
  padding: 26px 24px;
}
.r-module-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.r-module-head svg { color: var(--yellow); flex: none; }
.r-module h3 { font-size: 1.05rem; }
.r-module > p {
  font-size: 0.85rem;
  color: var(--gray-light);
  line-height: 1.6;
  margin-bottom: 18px;
}
.r-module dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; font-size: 0.8rem; }
.r-module dt { color: var(--gray); font-weight: 600; }
.r-module dd { color: var(--off-white); }
.r-module-tag {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--yellow);
  background: rgba(245, 166, 35, 0.1);
  padding: 3px 8px;
  border-radius: 3px;
  margin-bottom: 14px;
}

/* ---- Software split ---- */
.r-software { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
.r-soft-card {
  background: var(--dark-2);
  border: 1px solid var(--gray-dark);
  border-left: 3px solid var(--yellow);
  border-radius: 6px;
  padding: 26px 24px;
}
.r-soft-card h3 { font-size: 1rem; margin-bottom: 4px; }
.r-soft-card .r-soft-where {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 16px;
  display: block;
}
.r-soft-card ul { display: flex; flex-direction: column; gap: 10px; }
.r-soft-card li {
  font-size: 0.85rem;
  color: var(--off-white);
  padding-left: 20px;
  position: relative;
  line-height: 1.55;
}
.r-soft-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border: 1.5px solid var(--yellow);
  border-radius: 50%;
}

/* ==========================================================================
   5. VIDEO SECTION
   ========================================================================== */
.r-videos { padding: 60px 0; background: var(--dark-2); }
.r-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.r-video-card {
  background: var(--dark);
  border: 1px solid var(--gray-dark);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s;
}
.r-video-card:hover { border-color: var(--yellow-dim); }
.r-video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: radial-gradient(circle at center, var(--dark-3) 0%, var(--black) 100%);
}
.r-video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.r-video-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--gray-light);
  font-size: 0.8rem;
  text-align: center;
  padding: 16px;
  text-decoration: none;
}
.r-play-badge {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s;
}
.r-video-fallback:hover .r-play-badge { transform: scale(1.08); }
.r-video-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }
.r-video-body h3 { font-size: 0.98rem; margin-bottom: 6px; }
.r-video-body p { font-size: 0.83rem; color: var(--gray-light); margin-bottom: 14px; flex: 1; line-height: 1.55; }
.r-video-link { font-size: 0.8rem; font-weight: 700; color: var(--yellow); }
.r-video-link:hover { color: var(--yellow-bright); text-decoration: underline; }

/* ==========================================================================
   6. CONFIGURATOR (.rc-*)
   ========================================================================== */
.r-builder { padding: 60px 0; background: var(--dark); border-top: 1px solid var(--dark-3); }

.rc {
  --rc-text: var(--white);
  --rc-soft: var(--gray-light);
  color: var(--off-white);
}
.rc *, .rc *::before, .rc *::after { box-sizing: border-box; }

/* Sits directly under the choice cards, so the model number resolves itself
   as the visitor answers. Hidden until a digit family is picked. */
.rc-pn-strip {
  background: var(--rc-panel);
  border: 1px solid var(--yellow-dim);
  border-radius: var(--rc-radius);
  padding: 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.rc-pn-strip.hidden-step { display: none; }
.rc-pn-hint {
  width: 100%;
  text-align: center;
  font-size: 0.76rem;
  color: var(--gray-light);
  margin: 10px 0 0;
  min-height: 1em;
}
.rc-pn-label {
  width: 100%;
  text-align: center;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 4px;
}
.rc-pn-segs { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; justify-content: center; }
.rc-seg {
  font-family: var(--rc-mono);
  font-weight: 800;
  font-size: 1rem;
  padding: 7px 12px;
  border-radius: 8px;
  border: 2px dashed var(--rc-line);
  color: var(--gray);
  background: var(--rc-panel-2);
  transform: scale(0.92);
  transition: all 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.rc-seg.filled { border-style: solid; transform: scale(1); }
.rc-seg.c-slate.filled { background: var(--gray-dark); color: var(--white); border-color: var(--gray-dark); }
.rc-seg.c-accent.filled { background: var(--yellow); color: var(--black); border-color: var(--yellow); }
.rc-slash { color: var(--gray); font-weight: 700; opacity: 0.6; }

.rc-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 24px; align-items: start; }
.rc-panel-left { display: flex; flex-direction: column; gap: 16px; }
.rc-panel-right {
  position: sticky;
  top: 88px;
  background: var(--rc-panel);
  border: 1px solid var(--rc-line);
  border-radius: var(--rc-radius);
  padding: 14px 14px 18px;
  overflow: hidden;
}

.rc-stepper { display: flex; gap: 8px; }
.rc-dot { flex: 1; height: 5px; border-radius: 4px; background: var(--rc-line); overflow: hidden; position: relative; }
.rc-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}
.rc-dot.done::after { transform: scaleX(1); }

.rc-card {
  background: var(--rc-panel);
  border: 1px solid var(--rc-line);
  border-radius: var(--rc-radius);
  padding: 22px;
}
.rc-card.hidden-step { display: none; }
.rc-head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.rc-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--gray-dark);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
  flex: none;
}
.rc-title { font-size: 1.05rem; font-weight: 800; color: var(--white); margin: 0; }
.rc-sub { color: var(--gray-light); font-size: 0.83rem; margin: 2px 0 16px 36px; }
.rc-change {
  background: none;
  border: none;
  color: var(--yellow);
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.78rem;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
}
.rc-change:hover { text-decoration: underline; }

.rc-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.rc-opt {
  position: relative;
  text-align: left;
  cursor: pointer;
  border: 2px solid var(--rc-line);
  background: var(--rc-panel-2);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.22s ease;
  font-family: var(--font);
  color: inherit;
  width: 100%;
}
.rc-opt:hover { transform: translateY(-3px); border-color: var(--yellow); box-shadow: var(--rc-shadow); }
.rc-opt:focus-visible { outline: 2px solid var(--yellow); outline-offset: 2px; }
.rc-opt.selected { border-color: var(--yellow); background: var(--rc-accent-soft); }
.rc-opt-icon { color: var(--gray-light); height: 28px; display: flex; align-items: center; }
.rc-opt.selected .rc-opt-icon { color: var(--yellow); }
.rc-opt-label { font-weight: 800; font-size: 0.92rem; color: var(--white); }
.rc-opt-sub { font-size: 0.78rem; color: var(--gray-light); line-height: 1.45; }
.rc-check {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--black);
  font-size: 0.72rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.4);
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.rc-opt.selected .rc-check { opacity: 1; transform: scale(1); }
.rc-note {
  font-size: 0.79rem;
  color: var(--gray-light);
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--rc-line);
}
.rc-note code {
  font-family: var(--rc-mono);
  font-size: 0.94em;
  font-weight: 700;
  color: var(--yellow);
  background: var(--rc-accent-soft);
  padding: 1px 5px;
  border-radius: 4px;
}

/* Multi-select accessories: a square tick reads as "any number of these",
   where the round tick on family/power reads as "pick exactly one". */
.rc-opt--toggle .rc-check { border-radius: 5px; }

/* The on-device logging add-on — set apart so it reads as a sub-question of
   the accessory step, and pulled from the DOM entirely on ANPR builds. */
.rc-optional {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--rc-line);
}
.rc-optional.hidden-step { display: none; }
.rc-optional-tag {
  display: inline-block;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yellow);
  background: var(--rc-accent-soft);
  border: 1px solid var(--yellow-dim);
  padding: 3px 9px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.rc-result { display: none; }
.rc-result.show { display: block; animation: rcPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1); }
@keyframes rcPop {
  from { opacity: 0; transform: translateY(14px) scale(0.97); }
  to { opacity: 1; transform: none; }
}
.rc-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--rc-success);
  color: #0c0c0c;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 6px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.rc-result-sku {
  font-family: var(--rc-mono);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--yellow);
  margin: 4px 0 0;
  word-break: break-all;
}
.rc-spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; margin: 18px 0; }
.rc-spec { font-size: 0.85rem; color: var(--off-white); }
.rc-spec b {
  display: block;
  color: var(--gray);
  font-weight: 700;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 3px;
}
.rc-boq-title { font-size: 0.92rem; font-weight: 800; color: var(--white); margin: 20px 0 8px; }
.rc-boq { display: flex; flex-direction: column; }
.rc-boq li {
  display: flex;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--rc-line);
  font-size: 0.86rem;
  align-items: flex-start;
  color: var(--off-white);
}
.rc-boq li:last-child { border-bottom: none; }
.rc-boq-num {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gray-dark);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.rc-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.rc-btn {
  border: none;
  border-radius: 4px;
  padding: 12px 18px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.83rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all 0.18s ease;
}
.rc-btn--primary { background: var(--yellow); color: var(--black); }
.rc-btn--primary:hover { background: var(--yellow-bright); }
.rc-btn--secondary { background: transparent; color: var(--off-white); border: 1px solid var(--gray-dark); }
.rc-btn--secondary:hover { border-color: var(--yellow); color: var(--yellow); }
.rc-btn--ghost { background: transparent; color: var(--gray); text-decoration: underline; padding: 12px 4px; }
.rc-btn--ghost:hover { color: var(--gray-light); }

/* ---- WhatsApp block ---- */
.rc-wa {
  background: var(--rc-panel);
  border: 1px solid var(--rc-line);
  border-radius: var(--rc-radius);
  padding: 20px;
  margin-top: 16px;
}
.rc-wa-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.rc-wa-head h3 { font-size: 0.98rem; margin: 0; }
.rc-wa p { font-size: 0.8rem; color: var(--gray-light); margin-bottom: 14px; line-height: 1.55; }
.rc-wa-row { display: flex; gap: 8px; flex-wrap: wrap; }
.rc-wa-input {
  flex: 1;
  min-width: 180px;
  padding: 12px 14px;
  border-radius: 4px;
  border: 1px solid var(--gray-dark);
  background: var(--rc-panel-2);
  color: var(--white);
  font-size: 0.9rem;
  font-family: var(--font);
}
.rc-wa-input:focus { outline: none; border-color: var(--yellow); }
.rc-wa-btn {
  background: #25d366;
  color: #0c0c0c;
  border: none;
  border-radius: 4px;
  padding: 12px 20px;
  font-family: var(--font);
  font-weight: 800;
  font-size: 0.83rem;
  cursor: pointer;
  transition: filter 0.18s;
}
.rc-wa-btn:hover { filter: brightness(1.08); }
.rc-wa-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.rc-wa-status { font-size: 0.8rem; margin-top: 10px; display: none; }
.rc-wa-status.show { display: block; }
.rc-wa-status.ok { color: var(--rc-success); }
.rc-wa-status.err { color: var(--red); }

/* ---- Animated stage ---- */
.rc-stage { perspective: 1000px; display: flex; align-items: center; justify-content: center; padding-top: 6px; }
.rc-rig { width: 100%; max-width: 320px; transition: transform 0.25s ease-out; will-change: transform; animation: rcFloat 4.5s ease-in-out infinite; }
@keyframes rcFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.rc-rig svg { width: 100%; height: auto; display: block; overflow: visible; }
.rc-sign {
  opacity: 0;
  transform: scale(0.9);
  transform-origin: center;
  transform-box: fill-box;
  transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.rc-sign.active { opacity: 1; transform: scale(1); }
/* Empty state — a ghosted 2-Digit sign standing in for the unconfigured unit. */
.rc-stage.rc-empty #rcSign2 { opacity: 0.14; transform: scale(1); filter: grayscale(1); }
.rc-stage.rc-empty .rc-digits { animation: none; }
.rc-acc {
  opacity: 0;
  transform: translateY(6px) scale(0.85);
  transform-origin: center;
  transform-box: fill-box;
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
}
.rc-acc.show { opacity: 1; transform: none; }
.rc-pulse { animation: rcPulse 1.6s ease-out infinite; transform-origin: center; transform-box: fill-box; }
@keyframes rcPulse { 0% { opacity: 0.9; transform: scale(0.6); } 100% { opacity: 0; transform: scale(1.9); } }
.rc-pulse-slow { animation: rcPulse 2.2s ease-out infinite; transform-origin: center; transform-box: fill-box; }
.rc-shine { animation: rcShine 3.2s ease-in-out infinite; }
@keyframes rcShine {
  0% { transform: translateX(-30px); opacity: 0; }
  15% { opacity: 0.35; }
  45% { transform: translateX(150px); opacity: 0; }
  100% { opacity: 0; }
}
.rc-digits { animation: rcFlicker 2.6s ease-in-out infinite; }
@keyframes rcFlicker { 0%, 100% { opacity: 1; } 50% { opacity: 0.86; } }
.rc-caption { text-align: center; font-size: 0.8rem; color: var(--gray-light); margin-top: 10px; }
.rc-mini-row { display: flex; justify-content: center; gap: 18px; margin-top: 12px; flex-wrap: wrap; }
.rc-mini { font-size: 0.72rem; color: var(--gray); text-align: center; }
.rc-mini b { display: block; color: var(--white); font-size: 0.9rem; font-weight: 700; margin-bottom: 1px; }

.rc-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--black);
  border: 1px solid var(--gray-dark);
  color: var(--white);
  padding: 12px 20px;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  box-shadow: var(--rc-shadow-lg);
  z-index: 500;
}
.rc-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ==========================================================================
   7. STANDALONE BUILDER PAGE HERO
   ========================================================================== */
.r-builder-hero {
  padding: 120px 0 40px;
  background: linear-gradient(180deg, var(--dark-2) 0%, var(--dark) 100%);
  text-align: center;
}
.r-builder-hero .p-category { justify-content: center; }
.r-builder-hero h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); letter-spacing: -0.02em; margin-bottom: 12px; }
.r-builder-hero p { color: var(--gray-light); font-size: 1.02rem; max-width: 640px; margin: 0 auto; }

/* ==========================================================================
   8. RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .r-axes { grid-template-columns: repeat(2, 1fr); }
  .r-module-grid { grid-template-columns: 1fr; }
  .r-software { grid-template-columns: 1fr; }
  .rc-grid { grid-template-columns: 1fr; }
  .rc-panel-right { position: static; order: -1; }
}
@media (max-width: 768px) {
  .r-range, .r-compare, .r-modules, .r-videos, .r-builder { padding: 44px 0; }
  .r-decoder { padding: 24px 20px; }
  .rc-spec-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .r-pn-seg { flex: 1 1 100%; }
  .rc-actions { flex-direction: column; align-items: stretch; }
  .rc-btn { justify-content: center; }
}

/* ==========================================================================
   9. COMPACT COMPONENTS — added to cut page length
   ========================================================================== */

/* ---- Key-spec tiles: the six numbers that matter, above the fold of specs -- */
.r-keyspecs {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--gray-dark);
  border: 1px solid var(--gray-dark);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 20px;
}
.r-keyspec { background: var(--dark); padding: 18px 16px; text-align: center; }
.r-keyspec b {
  display: block;
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--yellow);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 4px;
}
.r-keyspec span {
  display: block;
  font-size: 0.7rem;
  color: var(--gray-light);
  line-height: 1.35;
}

/* ---- Disclosure: full spec tables stay collapsed until asked for ---------- */
.r-details {
  border: 1px solid var(--gray-dark);
  border-radius: 6px;
  background: var(--dark);
  margin-bottom: 12px;
}
.r-details > summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  user-select: none;
}
.r-details > summary::-webkit-details-marker { display: none; }
.r-details > summary::after {
  content: "+";
  margin-left: auto;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--yellow);
  line-height: 1;
  transition: transform 0.2s;
}
.r-details[open] > summary::after { content: "\2212"; }
.r-details > summary:hover { color: var(--yellow); }
.r-details > summary .r-sum-note {
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--gray);
}
.r-details-body { padding: 0 20px 20px; }

/* ---- Split: photo beside text, used for ANPR / solar ---------------------- */
.r-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
  margin-bottom: 24px;
}
.r-split:last-of-type { margin-bottom: 0; }
.r-split.is-flipped .r-split-media { order: 2; }
.r-split-media img {
  width: 100%;
  /* Source photos are phone portraits — crop to landscape so the split row
     stays the height of its text rather than the height of the image. */
  aspect-ratio: 4 / 3;
  max-height: 360px;
  object-fit: cover;
  object-position: center 35%;
  border-radius: 6px;
  border: 1px solid var(--gray-dark);
  display: block;
}
.r-split-body h3 { font-size: 1.25rem; margin-bottom: 8px; }
.r-split-body > p {
  font-size: 0.92rem;
  color: var(--gray-light);
  line-height: 1.65;
  margin-bottom: 16px;
}
.r-spec-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.r-spec-inline span {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--off-white);
  background: var(--dark-3);
  border: 1px solid var(--gray-dark);
  padding: 5px 11px;
  border-radius: 4px;
}

/* ---- Photo strip: three field shots in a row ----------------------------- */
.r-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; }
.r-strip figure { margin: 0; }
.r-strip img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--gray-dark);
  display: block;
}
.r-strip figcaption {
  font-size: 0.76rem;
  color: var(--gray);
  margin-top: 8px;
  line-height: 1.45;
}

@media (max-width: 1024px) {
  .r-keyspecs { grid-template-columns: repeat(3, 1fr); }
  .r-split, .r-split.is-flipped { grid-template-columns: 1fr; gap: 18px; }
  .r-split.is-flipped .r-split-media { order: 0; }
}
@media (max-width: 620px) {
  .r-axes { grid-template-columns: 1fr; }
  .r-keyspecs { grid-template-columns: repeat(2, 1fr); }
  .r-strip { grid-template-columns: 1fr; }
}