/* ============================================================
   AERO Lifts — Section Transitions & About
   ============================================================ */

/* ── Shared section base ── */
section {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

/* ── Door-reveal animation per section ── */
.section-doors {
  position: absolute;
  inset: 0;
  display: flex;
  z-index: 100;
  pointer-events: none;
}

.section-door-left,
.section-door-right {
  flex: 1;
  background: var(--dark);
  transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.section-door-left {
  border-right: 1px solid rgba(255, 77, 0, 0.2);
  transform: translateX(0);
}

.section-door-right {
  border-left: 1px solid rgba(255, 77, 0, 0.2);
  transform: translateX(0);
}

.section-revealed .section-door-left  { transform: translateX(-100%); }
.section-revealed .section-door-right { transform: translateX(100%); }

/* ── Shared typography ── */
.section-label {
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::before {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--orange);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 6vw, 88px);
  line-height: 0.9;
  color: var(--white);
  margin-bottom: 30px;
  letter-spacing: 2px;
}

.section-title span { color: var(--orange); }

.section-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--light);
  font-weight: 300;
  margin-bottom: 24px;
}

/* ── About section ── */
#about {
  background: var(--dark);
  display: flex;
  align-items: center;
}

.about-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 80% 50%, rgba(255, 77, 0, 0.04) 0%, transparent 70%);
}

.about-content {
  position: relative;
  z-index: 10;
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

/* ── Stats grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 50px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 52px;
  color: var(--orange);
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--silver);
  text-transform: uppercase;
  margin-top: 4px;
}

/* ── About visual / elevator preview ── */
.about-visual {
  position: relative;
}

.about-elevator-preview {
  width: 100%;
  aspect-ratio: 3/4;
  position: relative;
  border: 1px solid rgba(255, 77, 0, 0.15);
  overflow: hidden;
}

.about-elev-inner {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #1a1614 0%, #0f0d0c 100%);
  display: flex;
  flex-direction: column;
}

.about-elev-top {
  height: 50px;
  background: rgba(255, 248, 230, 0.9);
  margin: 20px 30px 0;
  border-radius: 2px;
  box-shadow: 0 0 30px rgba(255, 248, 230, 0.5), 0 10px 40px rgba(255, 248, 230, 0.2);
}

.about-elev-walls {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 6px 1fr 6px 1fr;
  padding: 20px;
  align-items: stretch;
}

.about-wall-panel {
  background: linear-gradient(180deg, #1e1a18, #161210);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.about-wall-sep {
  background: rgba(0, 0, 0, 0.5);
}

.about-elev-rail {
  height: 8px;
  margin: 0 20px;
  background: linear-gradient(to bottom, #3a3a3a, #222);
  border-radius: 4px;
}

.about-elev-floor {
  height: 40px;
  margin-top: auto;
  background: linear-gradient(to top, rgba(255, 77, 0, 0.2), transparent);
}

.about-elev-logo {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 8px;
}

/* ── About real photo ── */
.about-real-image {
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
  border: 1px solid rgba(255, 77, 0, 0.15);
  position: relative;
}

.about-real-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform .8s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-real-image:hover img {
  transform: scale(1.04);
}

/* ── Material tags ── */
.material-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid rgba(255, 77, 0, 0.3);
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--orange);
  text-transform: uppercase;
  margin: 6px 4px;
  transition: all .3s;
}

.material-tag:hover {
  background: rgba(255, 77, 0, 0.1);
  border-color: var(--orange);
}