/* =============================================================
   Advertisement Ribbon
   Sitewide — placed between main content and site footer.
   Full-width gold banner. Shows 2 ads at a time; auto-slides
   every 5.5 s with a slow, smooth transition.
   ============================================================= */

.ad-ribbon {
  background: var(--color-accent);   /* Dharma Gold #D4A843 */
  padding: var(--space-sm) 0 var(--space-md);
  margin-top: 0;
  margin-bottom: 0;
  margin-block: 0;
  position: relative;
  overflow: hidden;
}

/* subtle diagonal texture overlay */
.ad-ribbon::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(255, 255, 255, 0.04) 0px,
    rgba(255, 255, 255, 0.04) 1px,
    transparent 1px,
    transparent 8px
  );
  pointer-events: none;
}

/* ── "Sponsored" label ── */
.ad-ribbon__meta {
  padding: 0 var(--space-md);
  margin-bottom: var(--space-xs);
  position: relative;
}

.ad-ribbon__tag {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(30, 35, 40, 0.55);
}

/* ── Sliding viewport — clips horizontal overflow, full-width ── */
.ad-ribbon__viewport {
  overflow: hidden;
  padding: 0 var(--space-md);
  box-sizing: border-box;
  position: relative;
}

.ad-ribbon__track {
  display: flex;
  will-change: transform;
  /* transform & transition injected by JS */
}

.ad-ribbon__slide {
  flex: 0 0 50%;
  padding: 0 calc(var(--space-sm) / 2);
  box-sizing: border-box;
}

/* ── Ad card — semi-transparent white on gold ── */
.ad-ribbon__card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-left: 4px solid rgba(30, 35, 40, 0.30);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  height: 100%;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.ad-ribbon__card:hover {
  background: rgba(255, 255, 255, 0.32);
  border-color: rgba(255, 255, 255, 0.5);
}

/* ── Full-cover image mode ── */
.ad-ribbon__card--has-image {
  background: #111827; /* dark fallback if image fails */
  border-left-color: transparent;
  border-color: rgba(255, 255, 255, 0.12);
}
.ad-ribbon__card--has-image:hover {
  background: #111827;
  border-color: rgba(255, 255, 255, 0.25);
}

/* Image stretched to fill the entire card */
.ad-ribbon__card--has-image .ad-ribbon__img-wrap {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  background: none;
  border: none;
  border-radius: 0;
  z-index: 0;
}

.ad-ribbon__card--has-image .ad-ribbon__img {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* Dim overlay — sits between image and text */
.ad-ribbon__card--has-image .ad-ribbon__img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(8, 14, 28, 0.55);
  z-index: 1;
}

/* Content floats above the overlay */
.ad-ribbon__card--has-image .ad-ribbon__card-body,
.ad-ribbon__card--has-image .ad-ribbon__cta {
  position: relative;
  z-index: 2;
}

/* White text over the dimmed image */
.ad-ribbon__card--has-image .ad-ribbon__badge {
  color: rgba(255, 255, 255, 0.62);
}
.ad-ribbon__card--has-image .ad-ribbon__title {
  color: #ffffff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}
.ad-ribbon__card--has-image .ad-ribbon__desc {
  color: rgba(255, 255, 255, 0.80);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}
.ad-ribbon__card--has-image .ad-ribbon__cta {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.45);
  color: #ffffff;
}
.ad-ribbon__card--has-image .ad-ribbon__cta:hover,
.ad-ribbon__card--has-image .ad-ribbon__cta:focus-visible {
  background: rgba(255, 255, 255, 0.32);
  border-color: rgba(255, 255, 255, 0.70);
  color: #ffffff;
  gap: 9px;
}

/* Gold — warm translucent on the gold ribbon */
.ad-ribbon__card--gold {
  background: rgba(255, 255, 255, 0.28);
  border-left-color: rgba(30, 35, 40, 0.45);
}
.ad-ribbon__card--gold:hover { background: rgba(255, 255, 255, 0.40); }

/* Navy — deep Himalayan blue */
.ad-ribbon__card--navy {
  background: rgba(30, 58, 95, 0.93);
  border-left-color: #0d1e33;
  border-color: rgba(255, 255, 255, 0.10);
}
.ad-ribbon__card--navy:hover { background: rgba(30, 58, 95, 1); border-color: rgba(255,255,255,.22); }
.ad-ribbon__card--navy .ad-ribbon__badge { color: rgba(255, 255, 255, 0.55); }
.ad-ribbon__card--navy .ad-ribbon__title { color: #ffffff; }
.ad-ribbon__card--navy .ad-ribbon__desc  { color: rgba(255, 255, 255, 0.72); }
.ad-ribbon__card--navy .ad-ribbon__cta   {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.30);
  color: #ffffff;
}
.ad-ribbon__card--navy .ad-ribbon__cta:hover {
  background: rgba(255, 255, 255, 0.26);
  border-color: rgba(255, 255, 255, 0.55);
  color: #ffffff;
}

/* Crimson — Tamang red */
.ad-ribbon__card--crimson {
  background: rgba(178, 34, 52, 0.92);
  border-left-color: #6b0f1b;
  border-color: rgba(255, 255, 255, 0.10);
}
.ad-ribbon__card--crimson:hover { background: rgba(178, 34, 52, 1); border-color: rgba(255,255,255,.22); }
.ad-ribbon__card--crimson .ad-ribbon__badge { color: rgba(255, 255, 255, 0.55); }
.ad-ribbon__card--crimson .ad-ribbon__title { color: #ffffff; }
.ad-ribbon__card--crimson .ad-ribbon__desc  { color: rgba(255, 255, 255, 0.72); }
.ad-ribbon__card--crimson .ad-ribbon__cta   {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.30);
  color: #ffffff;
}
.ad-ribbon__card--crimson .ad-ribbon__cta:hover {
  background: rgba(255, 255, 255, 0.26);
  border-color: rgba(255, 255, 255, 0.55);
  color: #ffffff;
}

/* Green — Sagarmatha */
.ad-ribbon__card--green {
  background: rgba(74, 124, 89, 0.92);
  border-left-color: #2a5238;
  border-color: rgba(255, 255, 255, 0.10);
}
.ad-ribbon__card--green:hover { background: rgba(74, 124, 89, 1); border-color: rgba(255,255,255,.22); }
.ad-ribbon__card--green .ad-ribbon__badge { color: rgba(255, 255, 255, 0.55); }
.ad-ribbon__card--green .ad-ribbon__title { color: #ffffff; }
.ad-ribbon__card--green .ad-ribbon__desc  { color: rgba(255, 255, 255, 0.72); }
.ad-ribbon__card--green .ad-ribbon__cta   {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.30);
  color: #ffffff;
}
.ad-ribbon__card--green .ad-ribbon__cta:hover {
  background: rgba(255, 255, 255, 0.26);
  border-color: rgba(255, 255, 255, 0.55);
  color: #ffffff;
}

.ad-ribbon__card-body {
  flex: 1;
  min-width: 0;
}

.ad-ribbon__badge {
  display: block;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(30, 35, 40, 0.65);
  margin-bottom: 2px;
}

.ad-ribbon__title {
  font-family: var(--font-display);
  font-size: var(--font-size-md);
  font-weight: 700;
  color: #1E2328;
  line-height: 1.2;
  margin: 0 0 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ad-ribbon__desc {
  font-size: 0.78rem;
  color: rgba(30, 35, 40, 0.48);
  margin: 0;
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── CTA button ── */
.ad-ribbon__cta {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.55);
  border: 1.5px solid rgba(30, 35, 40, 0.25);
  border-radius: var(--radius-full);
  padding: 5px 13px;
  white-space: nowrap;
  transition:
    background      var(--transition-fast),
    border-color    var(--transition-fast),
    color           var(--transition-fast),
    gap             var(--transition-fast);
}

.ad-ribbon__cta:hover,
.ad-ribbon__cta:focus-visible {
  background: #fff;
  border-color: rgba(30, 35, 40, 0.4);
  color: var(--color-primary);
  gap: 9px;
}

.ad-ribbon__cta:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ── Navigation dots ── */
.ad-ribbon__dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: var(--space-sm);
  padding: 0 var(--space-md);
  position: relative;
}

.ad-ribbon__dot {
  width: 7px;
  height: 7px;
  border-radius: 4px;
  border: none;
  padding: 0;
  background: rgba(30, 35, 40, 0.25);
  cursor: pointer;
  transition:
    width      var(--transition-base),
    background var(--transition-base);
}

.ad-ribbon__dot.is-active {
  width: 22px;
  background: var(--color-primary);
}

.ad-ribbon__dot:hover:not(.is-active) {
  background: rgba(30, 35, 40, 0.45);
}

.ad-ribbon__dot:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ── Sponsor / ad image ── */
.ad-ribbon__img-wrap {
  flex-shrink: 0;
  width: 96px;
  height: 64px;
  border-radius: 6px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  box-sizing: border-box;
}

.ad-ribbon__img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

/* On dark cards the image bg matches the card */
.ad-ribbon__card--navy    .ad-ribbon__img-wrap { background: rgba(255,255,255,0.10); border-color: rgba(255,255,255,0.16); }
.ad-ribbon__card--crimson .ad-ribbon__img-wrap { background: rgba(255,255,255,0.10); border-color: rgba(255,255,255,0.16); }
.ad-ribbon__card--green   .ad-ribbon__img-wrap { background: rgba(255,255,255,0.10); border-color: rgba(255,255,255,0.16); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .ad-ribbon__slide     { flex: 0 0 100%; }
  .ad-ribbon__desc      { display: none; }
  .ad-ribbon__img-wrap  { display: none; }
  .ad-ribbon__cta       { padding: 4px 10px; font-size: 0.72rem; }
}

@media (max-width: 480px) {
  .ad-ribbon__viewport,
  .ad-ribbon__meta,
  .ad-ribbon__dots {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }
}