/* ===========================
   SUPER ROADMAP (Modern 3D)
   Works with your light/dark vars
=========================== */

.rm3 {
  padding: 78px 0 90px;
}

.rm3__head {
  text-align: center;
  margin-bottom: 26px;
}

.rm3__head h2 {
  margin: 0 0 10px;
  font-size: clamp(28px, 3.2vw, 44px);
  letter-spacing: -0.03em;
}

.rm3__head p {
  margin: 0 auto;
  max-width: 60ch;
  color: var(--muted);
  line-height: 1.7;
}

/* Wrap */
.rm3__wrap {
  position: relative;
  border-radius: 26px;
  border: 1px solid var(--border);
  background: var(--bg2);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.08);
  padding: 34px 18px;
  overflow: hidden;
}

/* Center line (glow + depth) */
.rm3__wrap::before {
  content: "";
  position: absolute;
  top: 22px;
  bottom: 22px;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(6, 182, 212, 0.55),
    rgba(168, 85, 247, 0.35),
    transparent
  );
  filter: drop-shadow(0 0 12px rgba(6, 182, 212, 0.22));
  opacity: 0.9;
}

/* Rows: compact, grid-based, no absolute positioning */
.rm3__row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 64px 1fr;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
}

/* Dot aligned naturally at the center column */
.rm3__dot {
  grid-column: 2;
  justify-self: center;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: rgba(6, 182, 212, 0.9);
  border: 1px solid rgba(6, 182, 212, 0.28);
  box-shadow:
    0 0 0 6px rgba(6, 182, 212, 0.10),
    0 10px 24px rgba(0, 0, 0, 0.12);
}

/* Card placement left/right */
.rm3__row--left .rm3__card { grid-column: 1; justify-self: end; }
.rm3__row--right .rm3__card { grid-column: 3; justify-self: start; }

/* 3D card look (glass + gradient border) */
.rm3__card {
  width: min(520px, 100%);
  border-radius: 18px;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--bg2), var(--bg2)) padding-box,
    linear-gradient(135deg,
      rgba(6, 182, 212, 0.35),
      rgba(168, 85, 247, 0.22),
      rgba(34, 197, 94, 0.18)
    ) border-box;
  box-shadow:
    0 14px 34px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  padding: 16px 16px 14px;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.18s ease, box-shadow 0.2s ease;
}

/* subtle shine */
.rm3__card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.18), transparent 55%);
  transform: translateZ(1px);
  pointer-events: none;
}

/* hover pop */
.rm3__card:hover {
  transform: translateY(-6px);
  box-shadow:
    0 22px 52px rgba(0, 0, 0, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

/* Card content */
.rm3__cap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.rm3__badge {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg2) 90%, rgba(6, 182, 212, 0.10));
  font-size: 12px;
  font-weight: 1000;
}

.rm3__badge--cyan { color: color-mix(in srgb, var(--a2) 90%, black); }
.rm3__badge--green { color: color-mix(in srgb, var(--a3) 90%, black); }
.rm3__badge--purple { color: color-mix(in srgb, var(--a1) 90%, black); }

.rm3__time {
  color: var(--muted2);
  font-weight: 800;
  font-size: 12px;
}

.rm3__card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.rm3__card p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 14px;
}

/* Mobile: single column timeline */
@media (max-width: 980px) {
  .rm3__wrap::before { left: 18px; transform: none; }
  .rm3__row { grid-template-columns: 34px 1fr; }
  .rm3__dot { grid-column: 1; }
  .rm3__row--left .rm3__card,
  .rm3__row--right .rm3__card { grid-column: 2; justify-self: stretch; }
}