/* ============================================================== *
 *  landing.css — the chooser, styled as a museum exhibit directory
 * ============================================================== */

.landing {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: clamp(1.6rem, 4vw, 3rem);
  overflow: hidden;
  isolation: isolate;
}

/* flat tonal field — no glow blobs */
.landing__aura {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, #0d0d11, var(--ink-950) 60%);
}

/* ---- masthead ---- */
.landing__intro {
  text-align: center;
  max-width: 920px;
  margin: clamp(1rem, 6vh, 3.4rem) auto clamp(1.4rem, 3vh, 2rem);
}
.landing__est {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-lo);
  margin-bottom: 1.4rem;
}
.landing__est span { color: var(--accent); }
.landing__title {
  font-size: clamp(3rem, 11vw, 8rem);
  font-weight: 500;
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.landing__title span {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.landing__sub {
  margin: 1.4rem auto 0;
  max-width: 54ch;
  color: var(--text-mid);
  font-size: clamp(1rem, 1.4vw, 1.14rem);
}
.landing__stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem clamp(1.4rem, 4vw, 2.8rem);
  margin-top: 1.8rem;
}
.landing__stats li {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-lo);
}
.landing__stat-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  letter-spacing: -0.02em;
  color: var(--accent);
  text-transform: none;
  margin-bottom: 0.15rem;
}

/* ---- "choose an exhibit" cue ---- */
.chooser-cue {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 460px;
  margin: 0 auto clamp(1.4rem, 3vh, 2rem);
  color: var(--text-lo);
}
.chooser-cue::before,
.chooser-cue::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.chooser-cue span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

/* ---- exhibit panels ---- */
.chooser {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(0.8rem, 1.6vw, 1.2rem);
  min-height: clamp(340px, 48vh, 560px);
}

.chooser__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  padding: clamp(1.5rem, 3vw, 2.6rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(168deg, color-mix(in srgb, var(--accent) 7%, var(--ink-900)), var(--ink-950) 72%);
  isolation: isolate;
  transition: transform var(--t-med) var(--ease-out), border-color var(--t-med);
}
.chooser__panel--evo { --accent: #d8a566; --accent-2: #efc78c; }
.chooser__panel--brands { --accent: #7aa7e6; --accent-2: #bcd6ff; }

/* a hairline accent that grows along the top edge on hover */
.chooser__panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-slow) var(--ease-out);
}
.chooser__panel:hover,
.chooser__panel:focus-visible {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
}
.chooser__panel:hover::before,
.chooser__panel:focus-visible::before { transform: scaleX(1); }
.chooser__panel:active { transform: translateY(-3px) scale(0.997); }

/* glow removed — the panel keeps a flat tint + the growing top hairline accent */
.chooser__glow { display: none; }

.chooser__num {
  position: absolute;
  top: clamp(1rem, 2.4vw, 1.7rem);
  right: clamp(1.2rem, 3vw, 2rem);
  z-index: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 500;
  color: transparent;
  -webkit-text-stroke: 1px color-mix(in srgb, var(--accent) 30%, transparent);
  letter-spacing: -0.03em;
}

/* fleet motif (evolution panel) */
.landing-fleet {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  gap: clamp(0.4rem, 1.5vw, 1.2rem);
  margin-bottom: auto;
  padding: clamp(1rem, 4vw, 2.6rem) 0 1.2rem;
}
.landing-fleet__car { width: clamp(58px, 14vw, 104px); }
.landing-fleet__car:nth-child(1) { opacity: 0.45; }
.landing-fleet__car:nth-child(2) { opacity: 0.62; }
.landing-fleet__car:nth-child(3) { opacity: 0.8; }
.landing-fleet__road {
  position: absolute;
  left: 0; right: 14%;
  bottom: 0.9rem;
  height: 1px;
  background: repeating-linear-gradient(90deg, color-mix(in srgb, var(--accent) 60%, transparent) 0 12px, transparent 12px 22px);
}
.chooser__panel--evo:hover .landing-fleet__car,
.chooser__panel--evo:focus-visible .landing-fleet__car {
  animation: float-soft 2.6s var(--ease-in-out) infinite;
  animation-delay: calc(var(--i) * 0.18s);
}

/* badge motif (brands panel) */
.landing-badges {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: auto;
  padding: clamp(1rem, 4vw, 2.2rem) 0 1.4rem;
  max-width: 100%;
}
.landing-badge {
  padding: 0.42rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: var(--text-mid);
  background: color-mix(in srgb, var(--ink-900) 86%, transparent);
  transition: transform var(--t-med) var(--ease-out), color var(--t-med), border-color var(--t-med);
}
.landing-badge--more {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, var(--ink-900));
}
.chooser__panel--brands:hover .landing-badge {
  color: var(--text-hi);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}
.landing-badge:hover { transform: translateY(-3px); }

/* panel content */
.chooser__content { position: relative; z-index: 1; max-width: 44ch; }
.chooser__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.8rem;
}
.chooser__h {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 4.6vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.chooser__p {
  display: block;
  margin-top: 0.8rem;
  color: var(--text-mid);
  font-size: clamp(0.96rem, 1.3vw, 1.06rem);
}
.chooser__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--paper);
}
.chooser__cta svg { width: 18px; height: 18px; color: var(--accent); transition: transform var(--t-med) var(--ease-out); }
.chooser__panel:hover .chooser__cta svg { transform: translateX(6px); }

@media (max-width: 820px) {
  .chooser { grid-template-columns: 1fr; }
}