/* ============================================================
   AERO Lifts — 3D Spec Visualization
   Replaces flat tables with cinematic animated data display
   ============================================================ */

/* ── Spec 3D card container ── */
.spec-3d-card {
  background: var(--charcoal);
  border: 1px solid rgba(255,255,255,0.04);
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s, box-shadow 0.4s;
  transform-style: preserve-3d;
  perspective: 800px;
}

.spec-3d-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-lift);
}

.spec-3d-card:hover {
  border-color: rgba(255,77,0,0.2);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,77,0,0.08);
}

.spec-3d-card:hover::before {
  transform: scaleX(1);
}

/* ── Card header ── */
.s3d-header {
  padding: 36px 36px 28px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  position: relative;
}

.s3d-num {
  position: absolute;
  top: 16px; right: 20px;
  font-family: var(--font-display);
  font-size: 96px;
  color: rgba(255,77,0,0.05);
  line-height: 1;
  letter-spacing: 2px;
  pointer-events: none;
}

.s3d-tag {
  font-family: var(--font-label);
  font-size: 9px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.s3d-tag::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--orange);
}

.s3d-name {
  font-family: var(--font-display);
  font-size: clamp(26px, 2.5vw, 36px);
  color: var(--white);
  line-height: 1;
  margin-bottom: 6px;
}

.s3d-tagline {
  font-size: 12px;
  color: var(--silver);
  line-height: 1.5;
  max-width: 260px;
}

/* ── Visual metrics row ── */
.s3d-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.s3d-metric {
  padding: 24px 20px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.04);
  position: relative;
  overflow: hidden;
}

.s3d-metric:last-child { border-right: none; }

/* Scan line animation on hover */
.spec-3d-card:hover .s3d-metric::before {
  content: '';
  position: absolute;
  top: -100%; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, transparent, rgba(255,77,0,0.3), transparent);
  animation: scanDown 0.6s ease forwards;
}

@keyframes scanDown {
  from { top: -5%; }
  to   { top: 110%; }
}

/* SVG ring progress */
.s3d-ring-wrap {
  position: relative;
  width: 64px;
  height: 64px;
  margin: 0 auto 8px;
}

.s3d-ring-svg {
  width: 64px;
  height: 64px;
  transform: rotate(-90deg);
}

.s3d-ring-track {
  fill: none;
  stroke: rgba(255,255,255,0.06);
  stroke-width: 4;
}

.s3d-ring-fill {
  fill: none;
  stroke: var(--orange);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 170;
  stroke-dashoffset: 170;
  transition: stroke-dashoffset 1.2s cubic-bezier(0.4,0,0.2,1) 0.2s;
  filter: drop-shadow(0 0 4px rgba(255,77,0,0.5));
}

.s3d-ring-val {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--white);
  line-height: 1;
  text-align: center;
}

.s3d-metric-label {
  font-family: var(--font-label);
  font-size: 8px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--silver);
  margin-top: 4px;
}

/* ── Floor tower visualization ── */
.s3d-floor-tower {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 2px;
  height: 64px;
  margin: 0 auto 8px;
  width: 20px;
}

.s3d-floor-block {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.06);
  transition: background 0.1s;
}

.s3d-floor-block.lit {
  background: var(--orange);
  box-shadow: 0 0 4px rgba(255,77,0,0.6);
}

/* ── Spec detail tiles ── */
.s3d-details {
  padding: 20px 20px 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.s3d-tile {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.04);
  padding: 10px 12px;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
  opacity: 0;
  transform: translateY(8px);
}

.spec-3d-card.revealed .s3d-tile {
  opacity: 1;
  transform: translateY(0);
}

.spec-3d-card:hover .s3d-tile {
  background: rgba(255,77,0,0.03);
  border-color: rgba(255,77,0,0.08);
}

.s3d-tile-key {
  font-family: var(--font-label);
  font-size: 8px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 3px;
}

.s3d-tile-val {
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--light);
}

/* ── Stagger tile animation delays ── */
.spec-3d-card.revealed .s3d-tile:nth-child(1) { transition-delay: 0.05s; }
.spec-3d-card.revealed .s3d-tile:nth-child(2) { transition-delay: 0.10s; }
.spec-3d-card.revealed .s3d-tile:nth-child(3) { transition-delay: 0.15s; }
.spec-3d-card.revealed .s3d-tile:nth-child(4) { transition-delay: 0.20s; }
.spec-3d-card.revealed .s3d-tile:nth-child(5) { transition-delay: 0.25s; }
.spec-3d-card.revealed .s3d-tile:nth-child(6) { transition-delay: 0.30s; }

/* ── Use tag ── */
.s3d-use {
  padding: 14px 20px;
  border-top: 1px solid rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.s3d-use-label {
  font-family: var(--font-label);
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--silver);
}

.s3d-use-val {
  font-family: var(--font-label);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--orange);
  border: 1px solid rgba(255,77,0,0.3);
  padding: 3px 10px;
}

/* ── Speed bar ── */
.s3d-speed-bar {
  width: 60px;
  margin: 0 auto 6px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.s3d-speed-track {
  height: 3px;
  background: rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}

.s3d-speed-fill {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  background: linear-gradient(to right, var(--orange), #ff8833);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1s cubic-bezier(0.4,0,0.2,1) 0.4s;
  box-shadow: 0 0 6px rgba(255,77,0,0.6);
}

.s3d-speed-num {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--white);
  text-align: center;
  line-height: 1;
}

/* ── Activate rings / bars when card is revealed ── */
.spec-3d-card.revealed .s3d-ring-fill {
  stroke-dashoffset: var(--ring-offset, 50);
}

.spec-3d-card.revealed .s3d-speed-fill {
  transform: scaleX(var(--speed-scale, 0.5));
}

/* ── Model grid override for 3D cards ── */
.model-grid-3d {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
}

@media (max-width: 1200px) {
  .model-grid-3d { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .model-grid-3d { grid-template-columns: 1fr; }
  .s3d-metrics { grid-template-columns: repeat(3, 1fr); }
  .s3d-details { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .s3d-details { grid-template-columns: 1fr; }
}

/* ── Cabin preview image in spec card ── */
.s3d-cabin-preview {
  width: 100%;
  height: 220px;
  overflow: hidden;
  position: relative;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.s3d-cabin-preview::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, var(--charcoal) 100%);
  pointer-events: none;
}

.s3d-cabin-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.7s cubic-bezier(0.4,0,0.2,1);
  display: block;
}

.spec-3d-card:hover .s3d-cabin-preview img {
  transform: scale(1.05);
}


/* ── Speed metric v2 — cleaner readability ── */
.s3d-speed-v2 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  width: 72px;
  margin: 0 auto 8px;
}

.s3d-speed-v2-value {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--white);
  line-height: 1;
  text-align: center;
}

.s3d-speed-v2-unit {
  display: block;
  font-family: var(--font-label);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--silver);
  text-transform: uppercase;
  margin-top: -2px;
}

.s3d-speed-v2-bar {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 4px;
}

.s3d-speed-v2-fill {
  height: 100%;
  background: linear-gradient(to right, var(--orange), #ff8833);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1s cubic-bezier(0.4,0,0.2,1) 0.4s;
  box-shadow: 0 0 6px rgba(255,77,0,0.5);
  border-radius: 2px;
}

.spec-3d-card.revealed .s3d-speed-v2-fill {
  transform: scaleX(var(--speed-v2-scale, 0.5));
}

/* ── Floor metric v2 — cleaner readability ── */
.s3d-floor-v2 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  margin: 0 auto 8px;
}

.s3d-floor-v2-value {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--orange);
  line-height: 1;
  filter: drop-shadow(0 0 6px rgba(255,77,0,0.4));
}

.s3d-floor-v2-lbl {
  font-family: var(--font-label);
  font-size: 8px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--silver);
}

.s3d-floor-v2-blocks {
  display: flex;
  gap: 3px;
  margin-top: 6px;
}

.s3d-floor-v2-block {
  width: 7px;
  height: 14px;
  background: rgba(255,255,255,0.07);
  border-radius: 1px;
  transition: background 0.1s;
}

.s3d-floor-v2-block.lit {
  background: var(--orange);
  box-shadow: 0 0 5px rgba(255,77,0,0.6);
}