/* ==========================================================================
   PROMOTION PAGE STYLES
   ========================================================================== */

/* Base Layout */
.promo-page {
  background-color: var(--gray-100); /* Dùng màu xám nhạt từ reset */
  padding-bottom: 50px;
}

/* 2. HEADER SECTION */
.promo-header {
  /* Tận dụng dải màu thương hiệu từ Blue sang Green của reset */
  background: linear-gradient(
    135deg,
    var(--brand-color-1) 0%,
    var(--brand-color-3) 100%
  );
  padding: 40px 0 80px;
  color: var(--white);
  text-align: center;
}

.promo-header__title {
  font-size: 3rem;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.promo-header__desc {
  opacity: 0.9;
  font-size: 1.6rem;
  max-width: 700px;
  margin: 0 auto;
}

/* ==========================================================================
   HERO BANNER - FROSTED GLASS STYLE
   ========================================================================== */
.promo-hero {
  margin-top: -60px;
  margin-bottom: 50px;
  position: relative;
  z-index: 10;
}

.promo-hero__grid {
  display: grid;
  grid-template-columns: 2.5fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 20px;
  height: 450px;
}

.promo-hero__item {
  position: relative;
  border-radius: 20px; /* Bo góc mượt hơn phù hợp reset */
  overflow: hidden;
  display: block;
  border: 6px solid rgba(255, 255, 255, 0.4);
  background-clip: padding-box;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.promo-hero__item--main {
  grid-row: 1 / -1;
}

.promo-hero__item:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.8);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.promo-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.promo-hero__item:hover .promo-hero__img {
  transform: scale(1.1);
}

.promo-hero__badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background: var(--red-700); /* Dùng màu đỏ chuẩn từ reset */
  color: var(--white);
  padding: 6px 15px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 800; /* Cực đậm cho badge */
  z-index: 2;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.promo-hero__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 25px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
  color: var(--white);
  z-index: 2;
}

.promo-hero__cta {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 5px;
}

.promo-hero__subtext {
  font-size: 1.5rem;
  opacity: 0.9;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   VIP & PARTNER BENEFITS
   ========================================================================== */

.vip-benefits {
  padding: 60px 0;
  background-color: white;
}

.vip-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-50);
  color: var(--brand-color-1);
  padding: 10px 22px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 25px;
}

.vip-benefits .section-desc{
  text-align: left;
  font-size: 1.5rem;
  color: var(--gray-700);
  max-width: 600px;
}

.vip-benefits__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.vip-card {
  background: var(--white);
  padding: 25px;
  border-radius: 28px;
  border: 1px solid var(--gray-200);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  text-align: center;
  margin-bottom: 30px;
}

.vip-card__title {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 15px;
}

.vip-card__desc {
  font-size: 1.5rem;
  color: var(--gray-600);
  margin-bottom: 25px;
}


.vip-benefits__actions {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.vip-card:hover {
  transform: translateY(-15px);
  box-shadow: 0 20px 40px rgba(33, 103, 221, 0.1);
  border-color: var(--blue-200);
}

.vip-card__icon-wrap {
  width: 75px;
  height: 75px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  transition: all 0.4s ease;
}

.vip-card:hover .vip-card__icon-wrap {
  transform: scale(1.2) rotate(10deg);
}

.vip-card__icon-wrap--gold {
  background: #fff7e6;
  color: var(--brand-color-2);
}
.vip-card__icon-wrap--blue {
  background: var(--blue-50);
  color: var(--brand-color-1);
}
.vip-card__icon-wrap--green {
  background: #f6ffed;
  color: var(--brand-color-3);
}
.vip-card__icon-wrap--red {
  background: var(--red-200);
  color: var(--red-700);
}

/* END VIP & PARTNER BENEFITS */

/* ==========================================================================
   PROMOTION SECTION HEADER
   ========================================================================== */
.promo-section {
  padding: 60px 0;
}

.promo-section__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--gray-200);
}

.promo-section__title-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.promo-section__title-wrapper .title-icon {
  width: 32px;
  height: 32px;
  background: rgba(33, 103, 221, 0.1);
  color: var(--brand-color-1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.promo-section__title-wrapper h2 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--gray-900);
  margin: 0;
}

/* Đếm ngược */
.promo-countdown {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-600);
}

.countdown-timer {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--red-700);
}

.time-box {
  background: var(--red-700);
  color: #fff;
  padding: 4px 8px;
  border-radius: 6px;
  font-weight: 800;
  font-size: 1.5rem;
}

@media (max-width: 768px) {
  .promo-section__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
}

/* ==========================================================================
   DEAL CARDS
   ========================================================================== */
.deal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 25px;
}

.deal-card {
  background: #ffffff;
  border-radius: 20px;
  border: 1px solid var(--gray-200);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  overflow: hidden; /* Cắt góc tròn cho cẩn thận */
}

.deal-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  border-color: var(--brand-color-1);
}

/* --- BADGES --- */
.deal-card__badge {
  position: absolute;
  top: 15px;
  left: -5px;
  padding: 6px 12px 6px 15px;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  border-radius: 0 10px 10px 0;
  z-index: 10;
  box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.15);
}

/* Hiệu ứng nếp gấp của ruy-băng */
.deal-card__badge::before {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  border-width: 5px 5px 0 0;
  border-style: solid;
  filter: brightness(0.6); /* Làm màu đậm hơn để tạo khối */
}

.deal-card__badge--hot {
  background: var(--red-700);
}
.deal-card__badge--hot::before {
  border-color: var(--red-700) transparent transparent transparent;
}

.deal-card__badge--factory {
  background: var(--brand-color-3);
}
.deal-card__badge--factory::before {
  border-color: var(--brand-color-3) transparent transparent transparent;
}

.deal-card__badge--upcoming {
  background: var(--brand-color-2);
}
.deal-card__badge--upcoming::before {
  border-color: var(--brand-color-2) transparent transparent transparent;
}

.deal-card__badge--new {
  background: var(--brand-color-1);
}
.deal-card__badge--new::before {
  border-color: var(--brand-color-1) transparent transparent transparent;
}

/* --- IMAGE THUMBNAIL --- */
.deal-card__thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3; /* Tỉ lệ chuẩn cho ảnh sản phẩm quảng cáo */
  overflow: hidden;
  background-color: var(--gray-100);
}

.deal-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.deal-card:hover .deal-card__img {
  transform: scale(1.08);
}

.deal-card__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 10px;
  z-index: 2;
}

.deal-card__discount {
  background: rgba(240, 68, 56, 0.9);
  color: #fff;
  font-weight: 900;
  font-size: 0.9rem;
  padding: 4px 10px;
  border-radius: 8px;
  display: inline-block;
  backdrop-filter: blur(4px);
}

/* Lớp phủ mờ khi sản phẩm chưa mở bán */
.upcoming-layer {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(2px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  z-index: 3;
}

/* --- CONTENT & PRICING --- */
.deal-card__content {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.deal-card__title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.4;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 2.8em;
}

.deal-card__price-wrapper {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  margin-bottom: 15px;
}

.price-sale {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--red-700);
  line-height: 1;
}

.price-old {
  font-size: 1.3rem;
  color: var(--gray-400);
  text-decoration: line-through;
  font-weight: 500;
}

/* --- PROGRESS BAR (Khan hiếm) --- */
.deal-card__progress {
  margin-top: auto;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 6px;
}

.fire-text {
  color: var(--red-700);
  font-weight: 700;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background-color: var(--gray-200);
  border-radius: 10px;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, #ff9800, var(--red-700));
  border-radius: 10px;
}

.deal-card__schedule {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--gray-600);
  margin-top: auto;
  padding: 10px 0;
  border-top: 1px dashed var(--gray-200);
}

/* --- BUTTONS --- */
.deal-card__btn {
  width: 100%;
  padding: 16px;
  border: none;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.deal-card__btn--primary {
  background-color: var(--brand-color-1);
  color: #fff;
}

.deal-card:hover .deal-card__btn--primary {
  background-color: var(--blue-600);
}

.deal-card__btn--notify {
  background-color: var(--brand-color-2);
  color: #fff;
}

.deal-card:hover .deal-card__btn--notify {
  background-color: #e67e22; /* Cam đậm hơn */
}
/* END PROMOTION SECTION HEADER */

/* ==========================================================================
   PROMOTION CTA SECTION (Phần chuyển tiếp trước Footer)
   ========================================================================== */
.promo-cta-section {
  padding: 20px 0 60px; /* Tạo khoảng hở với phần Flash Sale ở trên */
}

.promo-cta-box {
  background: linear-gradient(135deg, var(--brand-color-1) 0%, #0037c1 100%);
  border-radius: 24px;
  padding: 50px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  color: #fff;
  box-shadow: 0 20px 40px rgba(33, 103, 221, 0.2);
  position: relative;
  overflow: hidden;
}

/* Hiệu ứng vòng tròn nổi mờ ảo làm nền (Background pattern) */
.promo-cta-box::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.promo-cta-box__content {
  flex: 1;
  max-width: 600px;
  position: relative;
  z-index: 2;
}

.promo-cta-box__content h2 {
  font-size: 3.6rem;
  font-weight: 800;
  margin-bottom: 15px;
  line-height: 1.2;
}

.promo-cta-box__content p {
  font-size: 1.6rem;
  line-height: 1.6;
  opacity: 0.9;
  margin-bottom: 30px;
}

.promo-cta-box__buttons {
  display: flex;
  gap: 15px;
}

.btn--large {
  padding: 14px 30px;
  font-size: 1.6rem;
  border-radius: 12px;
  font-weight: 800;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.btn--large:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.btn--outline-white {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.5);
  color: #fff;
}

.btn--outline-white:hover {
  background: #fff;
  color: var(--brand-color-1);
  border-color: #fff;
}

.promo-cta-box__image {
  flex-shrink: 0;
  width: 320px;
  position: relative;
  z-index: 2;
}

/* Hiệu ứng ảnh hơi nghiêng và zoom nhẹ khi di chuột */
.promo-cta-box__image img {
  width: 100%;
  border-radius: 16px;
  transform: rotate(4deg);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  object-fit: cover;
}

.promo-cta-box:hover .promo-cta-box__image img {
  transform: rotate(0deg) scale(1.05);
}

/* Responsive */
@media (max-width: 992px) {
  .promo-cta-box {
    flex-direction: column;
    text-align: center;
    padding: 40px 30px;
  }
  .promo-cta-box__content {
    max-width: 100%;
  }
  .promo-cta-box__buttons {
    justify-content: center;
  }
  .promo-cta-box__image {
    width: 100%;
    max-width: 320px;
  }
  .promo-cta-box__image img {
    transform: rotate(0deg);
  }
}

@media (max-width: 576px) {
  .promo-cta-box__buttons {
    flex-direction: column;
  }
  .promo-cta-box__content h2 {
    font-size: 1.8rem;
  }
  .promo-cta-box {
    padding: 30px 20px;
  }
}
/* END PROMOTION CTA SECTION */