.cgg-tl {
  --cgg-red: rgb(199, 23, 35);
  --cgg-red-dark: rgb(158, 17, 27);
  --cgg-gray-900: #2c2c2c;
  --cgg-gray-600: #6b6b6b;
  --cgg-gray-200: #e7e7e7;
  --cgg-gray-100: #f4f4f4;

  position: relative;
  width: 100%;
  overflow: hidden;
  background: #ffffff;
  padding: 28px 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  box-sizing: border-box;
}
.cgg-tl *, .cgg-tl *::before, .cgg-tl *::after { box-sizing: border-box; }

.cgg-tl-rail {
  position: relative;
  overflow: hidden;
  width: 100%;
  touch-action: pan-y;
}

.cgg-tl-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 83px;
  height: 3px;
  background: var(--cgg-red);
  z-index: 0;
}

.cgg-tl-track {
  display: flex;
  align-items: flex-start;
  width: max-content;
  will-change: transform;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}
.cgg-tl-track.cgg-tl-dragging {
  cursor: grabbing;
}
.cgg-tl-track img {
  -webkit-user-drag: none;
  pointer-events: none;
}

/* ---- tarjeta de año ---- */
.cgg-tl-card {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  width: 240px;
  margin: 0 14px;
  padding-top: 106px;
}

.cgg-tl-dot {
  position: absolute;
  top: 84px;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--cgg-red);
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 2px var(--cgg-red);
}

.cgg-tl-year {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 26px;
  font-weight: 800;
  color: var(--cgg-red);
  letter-spacing: 0.5px;
}

.cgg-tl-img-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 6px;
  background: var(--cgg-gray-100);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}
.cgg-tl-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.cgg-tl-desc {
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--cgg-gray-900);
  text-align: left;
}
.cgg-tl-desc ul {
  margin: 0;
  padding-left: 18px;
}
.cgg-tl-desc li + li {
  margin-top: 6px;
}

/* ---- separador de etapa ---- */
.cgg-tl-phase {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  width: 150px;
  margin: 0 14px;
  padding-top: 106px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.cgg-tl-phase-bar {
  width: 4px;
  height: 180px;
  background: var(--cgg-gray-200);
  border-radius: 2px;
}
.cgg-tl-phase-label {
  margin-top: 14px;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--cgg-gray-600);
  background: var(--cgg-gray-100);
  border: 1px solid var(--cgg-gray-200);
  border-radius: 4px;
  padding: 8px 10px;
}
.cgg-tl-phase-years {
  margin-top: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--cgg-red);
}

@media (max-width: 640px) {
  .cgg-tl-card { width: 190px; margin: 0 10px; padding-top: 90px; }
  .cgg-tl-year { font-size: 21px; }
  .cgg-tl-dot { top: 66px; }
  .cgg-tl-line { top: 64.5px; }
  .cgg-tl-phase { width: 120px; margin: 0 10px; padding-top: 90px; }
  .cgg-tl-desc { font-size: 12.5px; }
}