Add special-sale title with daily flip countdown.

Show a theme-colored (#c96) hour/minute/second flip clock on the left of the sale carousel that resets each Tehran day.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/globals.css

@@ -621,6 +621,169 @@ textarea {
   line-height: 1;
 }
 
+.section-title-with-aside {
+  align-items: flex-end;
+}
+
+.flip-countdown {
+  --flip-h: 42px;
+  --flip-w: 30px;
+  --flip-radius: 8px;
+  display: flex;
+  align-items: flex-end;
+  gap: 6px;
+  flex-shrink: 0;
+  direction: ltr;
+  color: #c96;
+}
+
+.flip-unit {
+  display: grid;
+  gap: 6px;
+  justify-items: center;
+}
+
+.flip-unit-digits {
+  display: flex;
+  gap: 4px;
+}
+
+.flip-digit {
+  position: relative;
+  width: var(--flip-w);
+  height: var(--flip-h);
+  perspective: 280px;
+  transform-style: preserve-3d;
+  border-radius: var(--flip-radius);
+  background: #c96;
+  box-shadow:
+    inset 0 1px 0 rgba(255, 255, 255, 0.18),
+    0 10px 22px rgba(204, 153, 102, 0.28);
+  font-family: var(--font-en);
+  font-size: 20px;
+  font-weight: 700;
+  font-variant-numeric: tabular-nums;
+  line-height: 1;
+  color: #fff;
+}
+
+.flip-half {
+  position: absolute;
+  inset-inline: 0;
+  height: 50%;
+  overflow: hidden;
+  pointer-events: none;
+}
+
+.flip-half-top,
+.flip-anim-top {
+  top: 0;
+  background: linear-gradient(180deg, #d9b087 0%, #c96 100%);
+  border-radius: var(--flip-radius) var(--flip-radius) 0 0;
+}
+
+.flip-half-bottom,
+.flip-anim-bottom {
+  bottom: 0;
+  background: linear-gradient(180deg, #bf8a55 0%, #a87440 100%);
+  border-radius: 0 0 var(--flip-radius) var(--flip-radius);
+}
+
+.flip-num {
+  position: absolute;
+  inset-inline: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  height: var(--flip-h);
+  color: #fff;
+}
+
+.flip-half-top .flip-num,
+.flip-anim-top .flip-num {
+  top: 0;
+}
+
+.flip-half-bottom .flip-num,
+.flip-anim-bottom .flip-num {
+  bottom: 0;
+}
+
+.flip-digit-hinge {
+  position: absolute;
+  top: 50%;
+  inset-inline: 0;
+  z-index: 6;
+  height: 1px;
+  background: rgba(0, 0, 0, 0.28);
+  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.16);
+  transform: translateY(-50%);
+  pointer-events: none;
+}
+
+.flip-anim {
+  z-index: 4;
+  backface-visibility: hidden;
+  -webkit-backface-visibility: hidden;
+}
+
+.flip-anim-top {
+  z-index: 5;
+  transform-origin: 50% 100%;
+  animation: flip-top-down 0.3s ease-in forwards;
+  will-change: transform;
+}
+
+.flip-anim-bottom {
+  z-index: 4;
+  transform-origin: 50% 0%;
+  transform: rotateX(90deg);
+  animation: flip-bottom-up 0.3s ease-out 0.3s forwards;
+  will-change: transform;
+}
+
+.flip-unit-label {
+  color: #c96;
+  font-family: var(--font-fa);
+  font-size: 11px;
+  font-weight: 700;
+}
+
+.flip-separator {
+  align-self: center;
+  margin-bottom: 18px;
+  color: #c96;
+  font-family: var(--font-en-title);
+  font-size: 22px;
+  font-weight: 700;
+  line-height: 1;
+}
+
+@keyframes flip-top-down {
+  0% {
+    transform: rotateX(0deg);
+  }
+  100% {
+    transform: rotateX(-90deg);
+  }
+}
+
+@keyframes flip-bottom-up {
+  0% {
+    transform: rotateX(90deg);
+  }
+  100% {
+    transform: rotateX(0deg);
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .flip-anim-top,
+  .flip-anim-bottom {
+    animation: none;
+  }
+}
+
 .grid {
   display: grid;
   gap: 20px;
@@ -1740,6 +1903,28 @@ a.article-card:hover .article-media img {
   .section-title {
     display: block;
   }
+
+  .section-title-with-aside {
+    display: flex;
+    flex-wrap: wrap;
+    align-items: flex-end;
+    justify-content: space-between;
+    gap: 16px;
+  }
+
+  .flip-countdown {
+    --flip-h: 36px;
+    --flip-w: 26px;
+  }
+
+  .flip-digit {
+    font-size: 16px;
+  }
+
+  .flip-separator {
+    font-size: 18px;
+    margin-bottom: 16px;
+  }
 }
 
 @media (max-width: 560px) {