/* ============================================================
   Quántica Express · "La Ruta" — cartográfico editorial
   Tipografía monumental, papel de atlas, la línea Quito→Guayaquil.
   Variables en estilos.php. Interacciones con jQuery (common.js + página).
   ============================================================ */

/* ---------- base ---------- */
html { scroll-behavior: smooth; }
body {
  font-family: var(--qt-font-body);
  color: var(--qt-ink);
  background-color: var(--qt-papel);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--qt-accent); color: #fff; }

.qt-mono {
  font-family: var(--qt-font-mono);
  font-variant-numeric: tabular-nums;
}
.qt-paper {
  background-color: var(--qt-papel);
}

/* ---------- tipografía ---------- */
.qt-display {
  font-family: var(--qt-font-display);
  font-weight: 900;
  font-stretch: 82%;
  text-transform: uppercase;
  line-height: .86;
  letter-spacing: -.015em;
}
.qt-title {
  font-family: var(--qt-font-heading);
  font-weight: 800;
  text-transform: uppercase;
  line-height: .92;
  letter-spacing: -.02em;
  color: var(--qt-ink);
}
.qt-num {
  font-family: var(--qt-font-display);
  font-weight: 900;
  font-stretch: 82%;
  font-variant-numeric: tabular-nums;
  line-height: .8;
  letter-spacing: -.02em;
  color: var(--qt-ink);
}
.qt-kicker {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--qt-font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--qt-accent-text);
}
[data-theme="qt-tinta"] .qt-kicker { color: var(--qt-accent); }
.qt-kicker::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: currentColor;
}
.qt-lede {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--qt-muted);
}
.qt-sec-head { max-width: 46rem; }

/* wordmark */
.qt-wordmark {
  font-family: var(--qt-font-display);
  font-weight: 900;
  font-stretch: 80%;
  font-size: 1.4rem;
  line-height: .9;
  letter-spacing: -.01em;
  text-transform: uppercase;
  color: var(--qt-ink);
}
.qt-wordmark-accent { color: var(--qt-accent); }
.qt-wordmark-sub {
  font-family: var(--qt-font-mono);
  font-size: .58rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--qt-muted);
  margin-top: .3rem;
}
[data-theme="qt-tinta"] .qt-wordmark-sub { color: var(--qt-ink-clara); }

/* ---------- navbar ---------- */
.qt-topbar {
  background: var(--qt-ink-deep);
  color: var(--qt-papel);
}
.qt-nav {
  background: var(--qt-papel);
  border-bottom: 1px solid var(--qt-linea);
  transition: box-shadow .2s ease;
}
.qt-nav.is-scrolled {
  box-shadow: 0 12px 30px -24px rgba(6,21,31,.5);
}
.qt-nav-link {
  position: relative;
  display: inline-flex;
  padding: .5rem .8rem;
  font-family: var(--qt-font-heading);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--qt-ink);
  transition: color .15s ease;
}
.qt-nav-link::after {
  content: "";
  position: absolute;
  left: .8rem;
  right: .8rem;
  bottom: .15rem;
  height: 2px;
  background: var(--qt-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .18s ease;
}
.qt-nav-link:hover { color: var(--qt-accent-text); }
.qt-nav-link.is-active { color: var(--qt-accent-text); }
.qt-nav-link.is-active::after { transform: scaleX(1); }

/* ---------- botones ---------- */
.qt-btn-accent {
  background: var(--qt-accent);
  color: var(--qt-ink);
  border: 1px solid var(--qt-accent);
  border-radius: 0;
  font-family: var(--qt-font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.qt-btn-accent:hover { background: var(--qt-accent-deep); border-color: var(--qt-accent-deep); color: #fff; }
.qt-btn-ghost {
  background: transparent;
  color: inherit;
  border: 1px solid currentColor;
  border-radius: 0;
  font-family: var(--qt-font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ---------- línea de ruta ---------- */
.qt-route {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}
.qt-route-track {
  position: relative;
  height: 2px;
  flex: 1;
  background: var(--qt-linea);
  overflow: visible;
}
.qt-route-track.is-drawn::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 2px;
  width: var(--qt-route-progress, 100%);
  background: var(--qt-accent);
}
.qt-route-node {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .4rem;
  min-width: 0;
}
.qt-route-node--end { align-items: flex-end; text-align: right; }
.qt-route-dot {
  width: .65rem;
  height: .65rem;
  border-radius: 9999px;
  background: var(--qt-ink);
}
.qt-route-node--accent .qt-route-dot { background: var(--qt-accent); }

/* ---------- índice editorial ---------- */
.qt-ledger { border-top: 1px solid var(--qt-linea); }
.qt-ledger-item {
  display: grid;
  grid-template-columns: 6rem 1fr auto;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--qt-linea);
}
.qt-ledger-num {
  font-family: var(--qt-font-display);
  font-weight: 900;
  font-stretch: 82%;
  font-size: 2.25rem;
  line-height: .8;
  color: var(--qt-muted);
}
.qt-ledger-item:hover .qt-ledger-num { color: var(--qt-accent-text); }
.qt-ledger-title {
  font-family: var(--qt-font-heading);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -.01em;
  font-size: 1.35rem;
  color: var(--qt-ink);
}
.qt-ledger-body { margin-top: .4rem; font-size: .95rem; line-height: 1.55; color: var(--qt-muted); }
.qt-ledger-tag {
  font-family: var(--qt-font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--qt-muted);
  white-space: nowrap;
}
@media (max-width: 640px) {
  .qt-ledger-item { grid-template-columns: 3rem 1fr; }
  .qt-ledger-tag { display: none; }
}

/* ---------- formulario ---------- */
.qt-field {
  background: var(--qt-papel);
  border: 1px solid var(--qt-linea);
  border-radius: 0;
  color: var(--qt-ink);
  padding: .75rem .9rem;
  font-family: var(--qt-font-body);
  font-size: .95rem;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.qt-field::placeholder { color: var(--qt-muted); }
.qt-field:focus {
  outline: none;
  border-color: var(--qt-accent);
  box-shadow: 0 0 0 1px var(--qt-accent);
}
.qt-label {
  font-family: var(--qt-font-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--qt-muted);
}

/* ---------- pie de página ---------- */
.qt-drawer { background: var(--qt-ink-deep); }
.qt-footer { background: var(--qt-ink-deep); color: var(--qt-papel); }
.qt-footer-title {
  font-family: var(--qt-font-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--qt-accent);
}
.qt-footer-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .9rem;
  color: var(--qt-ink-clara);
  transition: color .15s ease;
}
.qt-footer-link:hover { color: var(--qt-accent); }

/* ---------- FAB ---------- */
.qt-fab {
  position: fixed;
  right: 1.1rem;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 9999px;
  box-shadow: 0 12px 30px -12px rgba(6,21,31,.5);
  transition: transform .15s ease, opacity .15s ease;
}
.qt-fab:hover { transform: translateY(-3px); }
.qt-fab-wa { bottom: 1.1rem; background: #25D366; color: #fff; }
.qt-fab-top {
  bottom: 4.9rem;
  background: var(--qt-ink);
  color: var(--qt-papel);
  opacity: 0;
  pointer-events: none;
}
.qt-fab-top.show { opacity: 1; pointer-events: auto; }

/* ---------- reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1);
}
[data-reveal].revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- ruta svg ---------- */
.qt-route-map { position: relative; width: 100%; }
.qt-truck {
  position: absolute;
  top: 0;
  left: 0;
  transform: translate(-50%, -50%);
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 9999px;
  background: var(--qt-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 22px -8px rgba(198,74,24,.7);
  opacity: 0;
  transition: opacity .3s ease;
}
.qt-truck.is-placed { opacity: 1; }
.qt-elevation { width: 100%; height: auto; display: block; }
.qt-elevation .route-path {
  fill: none;
  stroke: var(--qt-ink);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.qt-elevation .route-fill {
  fill: var(--qt-ruta);
  opacity: .14;
}
.qt-elevation .route-grid { stroke: var(--qt-linea); stroke-width: 1; }
.qt-elevation .route-label {
  font-family: var(--qt-font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  fill: var(--qt-muted);
}
.qt-elevation .route-point { fill: var(--qt-ink); }
.qt-elevation .route-point--accent { fill: var(--qt-accent); }

/* ---------- galería / lightbox ---------- */
.qt-g-item { cursor: pointer; }
.qt-lightbox img { background: #000; }