/* ============================================================
   MARQUEE SECTION — Infinite auto-scroll, two rows
   ============================================================ */

.marquee-section {
  width: 100%;
  overflow: hidden;
  padding: 48px 0 56px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: linear-gradient(
    180deg,
    rgba(4, 14, 40, 0) 0%,
    rgba(4, 14, 40, 0.55) 20%,
    rgba(4, 14, 40, 0.55) 80%,
    rgba(4, 14, 40, 0) 100%
  );
  position: relative;
}

/* Soft top/bottom divider lines */
.marquee-section::before,
.marquee-section::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.18), transparent);
}
.marquee-section::before { top: 0; }
.marquee-section::after  { bottom: 0; }

/* ── Fade wrapper — full bleed, no edge fade ─────────────── */
.mq-fade-wrap {
  overflow: hidden;
}

/* ── Scrolling track ─────────────────────────────────────── */
.mq-track {
  display: flex;
  align-items: center;
  width: max-content;
  gap: 16px;
  will-change: transform;
}

/* Pause on hover */
.mq-track:hover { animation-play-state: paused; }

/* Direction variants */
.mq-left  { animation: mq-scroll-left  linear infinite; }
.mq-right { animation: mq-scroll-right linear infinite; }

/* Speed variants */
.mq-slow { animation-duration: 38s; }
.mq-fast { animation-duration: 28s; }

@keyframes mq-scroll-left {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes mq-scroll-right {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  .mq-track { animation-play-state: paused !important; }
}

/* ── Row 1: Course poster cards ──────────────────────────── */
.mq-poster {
  position: relative;
  flex-shrink: 0;
  width: 160px;
  height: 226px;          /* A4 portrait: 160 × 1.414 = 226 */
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(0, 229, 255, 0.18);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: default;
}

.mq-poster:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.55),
    0 0 24px rgba(0, 229, 255, 0.20),
    0 0 0 1px rgba(0, 229, 255, 0.28) inset;
}

.mq-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

/* Label at the bottom of poster */
.mq-poster > span {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 28px 10px 10px;
  background: linear-gradient(to top, rgba(0,0,0,0.88), transparent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.72rem;
  color: #fff;
  text-align: center;
  letter-spacing: 0.04em;
}

/* ── Row 2: Achievement badge pills ──────────────────────── */
.mq-badge {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  white-space: nowrap;
  transition: border-color 0.25s, background 0.25s;
}

.mq-badge:hover {
  background: rgba(0, 229, 255, 0.07);
  border-color: rgba(0, 229, 255, 0.25);
}

/* Cyan-accented variant */
.mq-badge--cyan {
  background: rgba(0, 229, 255, 0.06);
  border-color: rgba(0, 229, 255, 0.18);
}

.mq-b-icon {
  font-size: 1.15rem;
  line-height: 1;
  flex-shrink: 0;
}

.mq-b-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.05rem;
  background: linear-gradient(135deg, #00b4d8, #00e5ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.mq-b-label {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.65);
  font-weight: 500;
  line-height: 1.2;
}

/* ── Poster lightbox ─────────────────────────────────────── */
.mq-lightbox {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.mq-lightbox.open {
  opacity: 1;
  pointer-events: all;
}
.mq-lightbox img {
  max-width: min(90vw, 420px);
  max-height: 90vh;
  border-radius: 18px;
  box-shadow: 0 40px 100px rgba(0,0,0,0.80), 0 0 0 1px rgba(0,229,255,0.20);
  object-fit: contain;
  display: block;
}
.mq-lb-close {
  position: absolute;
  top: 20px; right: 24px;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.20);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.mq-lb-close:hover { background: rgba(255,255,255,0.20); }

.mq-lb-prev, .mq-lb-next {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.20);
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.mq-lb-prev { left: 20px; }
.mq-lb-next { right: 20px; }
.mq-lb-prev:hover, .mq-lb-next:hover { background: rgba(0,229,255,0.20); }

.mq-poster { cursor: pointer; }

/* ── Mobile tweaks ───────────────────────────────────────── */
@media (max-width: 768px) {
  .marquee-section {
    padding: 36px 0 40px;
    gap: 14px;
  }

  .mq-poster {
    width: 128px;
    height: 181px;
  }

  .mq-badge {
    padding: 10px 16px;
    gap: 8px;
  }

  .mq-b-num   { font-size: 0.95rem; }
  .mq-b-label { font-size: 0.72rem; }

  .mq-slow { animation-duration: 28s; }
  .mq-fast { animation-duration: 20s; }
}