/* ============================================================
   BEMORI – LANDING PAGE STYLES
   Brand: #FF4D8D | Font: Inter | BG: #F0F2F5
   ============================================================ */

/* ---------- RESET & BASE ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --brand:       #FF4D8D;
  --brand-dark:  #E63975;
  --brand-light: #ff8fb3;
  --accent:      #00A8E8;
  --bg:          #F0F2F5;
  --bg-dark:     #1A1A2E;
  --text:        #1A1A1A;
  --text-light:  #555;
  --white:       #FFFFFF;
  --shadow:      0 4px 24px rgba(0,0,0,.12);
  --radius:      16px;
  --radius-sm:   10px;
  --transition:  .3s cubic-bezier(.4,0,.2,1);
  --max-w:       480px;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', sans-serif;
  background: #ffffff;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

img, video { display: block; width: 100%; max-width: 100%; }

a { text-decoration: none; color: inherit; }

/* ---- MOBILE-FIRST WRAPPER ---- */
.page-wrap {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
}

/* ============================================================
   SHARED BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  letter-spacing: .5px;
}

.btn--hero {
  background: var(--white);
  color: var(--brand);
  padding: 14px 32px;
  font-size: 1.05rem;
  box-shadow: 0 8px 32px rgba(0,0,0,.25);
}
.btn--hero:hover { background: var(--brand); color: var(--white); transform: translateY(-2px); }

/* SITE HEADER – white sticky bar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,.08);
  max-width: var(--max-w);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  gap: 12px;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-header__logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  display: block;
}

.btn--header-cta {
  background: #FF4D8D;
  color: var(--white);
  padding: 10px 20px;
  font-size: .83rem;
  font-weight: 800;
  border-radius: 999px;
  letter-spacing: .4px;
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(255,77,141,.35);
  transition: var(--transition);
  text-decoration: none;
}
.btn--header-cta:hover { background: #e63975; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(255,77,141,.5); }



.btn--primary {
  width: 100%;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: var(--white);
  padding: 18px 24px;
  font-size: 1.1rem;
  box-shadow: 0 8px 24px rgba(255,77,141,.4);
  animation: pulse-btn 2.2s infinite;
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(255,77,141,.55); }

.btn--submit {
  width: 100%;
  background: linear-gradient(135deg, #FF4D8D, #E63975);
  color: var(--white);
  padding: 20px 24px;
  font-size: 1.15rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(255,77,141,.4);
  margin-top: 8px;
}
.btn--submit:hover { transform: translateY(-2px); }
.btn--submit:active { transform: scale(.98); }

.btn__arrow { width: 20px; height: 20px; flex-shrink: 0; }

@keyframes pulse-btn {
  0%, 100% { box-shadow: 0 8px 24px rgba(255,77,141,.4); }
  50%       { box-shadow: 0 8px 36px rgba(255,77,141,.7); }
}

/* ============================================================
   STICKY BOTTOM CTA
   ============================================================ */
.sticky-bottom {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 1000;
  background: #fff;
  box-shadow: 0 -2px 16px rgba(0,0,0,.12);
  display: flex;
  justify-content: center;
}

.sticky-sale {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  max-width: var(--max-w);
  padding: 10px 16px 14px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

.sticky-sale__left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sticky-sale__badge {
  display: inline-block;
  background: linear-gradient(90deg, #ff4d8d, #ff8c42);
  color: #fff;
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
  line-height: 1.4;
  width: fit-content;
}

.sticky-sale__saving {
  display: flex;
  align-items: baseline;
  gap: 5px;
  font-size: .75rem;
  font-weight: 600;
  color: #666;
  line-height: 1;
}
.sticky-sale__saving strong {
  color: #e63975;
  font-size: 1.55rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.5px;
}



.sticky-sale__btn {
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: var(--white);
  font-weight: 800;
  font-size: .88rem;
  text-align: center;
  padding: 13px 20px;
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(255,77,141,.4);
  white-space: nowrap;
  animation: pulse-btn 2s infinite;
  flex-shrink: 0;
}


/* ============================================================
   FLOATING BUTTONS
   ============================================================ */
.float-btns {
  position: fixed;
  right: 16px;
  bottom: 88px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.float-btn {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
  transition: transform .25s;
}
.float-btn:hover { transform: scale(1.1); }
.float-btn svg { width: 24px; height: 24px; }

.float-btn--phone { background: #27ae60; animation: ring 2.5s infinite; }
.float-btn--zalo  { background: #0068FF; }

@keyframes ring {
  0%, 100% { transform: scale(1); }
  10%, 30%  { transform: scale(1.1) rotate(-8deg); }
  20%       { transform: scale(1.1) rotate(8deg); }
  40%       { transform: scale(1); }
}

/* ============================================================
   SECTION 1 – HERO
   ============================================================ */
.hero {
  position: relative;
  max-width: var(--max-w);
  margin-inline: auto;
  overflow: hidden;
}

/* ── Product image ── */
.hero__img-area {
  position: relative;
  width: 100%;
}
.hero__product-img {
  width: 100%;
  height: auto;
  display: block;
}

/* ── Sale badge – bottom left overlay ── */
.hero__sale-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: #fff;
  border-radius: 14px;
  padding: 0 14px 10px;
  min-width: 110px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.18);
  overflow: hidden;
  z-index: 4;
}
.hero__sale-badge-top {
  background: linear-gradient(135deg, #e63975, #ff4d8d);
  color: #fff;
  font-size: .68rem;
  font-weight: 800;
  padding: 5px 8px;
  margin: 0 -14px 8px;
  letter-spacing: .3px;
}
.hero__sale-old {
  font-size: .88rem;
  font-weight: 700;
  color: #aaa;
  text-decoration: line-through;
  margin-bottom: 1px;
}
.hero__sale-label {
  font-size: .62rem;
  font-weight: 700;
  color: #e63975;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 1px;
}
.hero__sale-new {
  font-size: 2rem;
  font-weight: 900;
  color: #e63975;
  line-height: 1;
}
.hero__sale-new span { font-size: 1rem; }

/* ── Countdown overlay on hero white card ── */
.hero__countdown-overlay {
  position: absolute;
  top: 40%;
  right: 5%;
  transform: none;
  z-index: 10;
  text-align: center;
  pointer-events: none;
}

.hero__countdown-overlay-label {
  font-size: .75rem;
  font-weight: 700;
  color: #4e82ce;
  text-transform: uppercase;
  letter-spacing: .3px;
  line-height: 1.3;
  margin-bottom: 4px;
}

.hero__countdown-timer-overlay {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 2px;
}

.hcd-block-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 30px;
}
.hcd-block-overlay span {
  font-size: 1.15rem;
  font-weight: 900;
  color: #ec5990;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.hcd-block-overlay small {
  font-size: .42rem;
  font-weight: 700;
  color: #8a9ab0;
  text-transform: uppercase;
  letter-spacing: .3px;
  margin-top: 1px;
}

.hcd-sep-overlay {
  color: #e63975;
  font-weight: 900;
  font-size: 1.05rem;
  line-height: 1;
  margin-top: 1px;
}




/* ============================================================
   SECTION 2 – SOCIAL PROOF
   ============================================================ */
.social-proof {
  background: var(--white);
  max-width: var(--max-w);
  margin-inline: auto;
  overflow: hidden;
}

.social-proof__img-wrap {
  position: relative;
  overflow: hidden;
  display: block;
}
.social-proof__img { 
  width: 100%; 
  height: auto; 
  display: block;
  transition: transform .5s ease; 
}
.social-proof__img-wrap:hover .social-proof__img { transform: scale(1.02); }

.social-proof__badge {
  position: absolute;
  bottom: 16px; left: 16px;
  background: rgba(255,77,141,.92);
  backdrop-filter: blur(6px);
  color: var(--white);
  border-radius: 12px;
  padding: 10px 16px;
  line-height: 1.2;
}
.badge-number { display: block; font-size: 1.6rem; font-weight: 900; }
.badge-label  { font-size: .78rem; font-weight: 500; opacity: .9; }

.social-proof__body {
  padding: 24px 20px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.features-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.features-list__item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .95rem;
  font-weight: 500;
  color: var(--text);
}
.features-list__icon {
  width: 36px; height: 36px;
  background: var(--bg);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ============================================================
   SECTION 3 – VIDEO
   ============================================================ */
.video-section {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  background: var(--white);
}

.video-wrap {
  position: relative;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  background: #000;
}

.video-main {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.video-main:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: -3px;
}

.video-status {
  position: absolute;
  left: 50%; top: 50%;
  width: 68px; height: 68px;
  display: grid;
  place-items: center;
  color: #fff;
  background: rgba(0,0,0,.58);
  border: 2px solid rgba(255,255,255,.9);
  border-radius: 50%;
  opacity: 0;
  transform: translate(-50%, -50%) scale(.85);
  transition: opacity .18s ease, transform .18s ease;
  pointer-events: none;
  z-index: 2;
}
.video-status.is-visible { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.video-status__play {
  display: block;
  margin-left: 4px;
  font-size: 30px;
  line-height: 1;
}

.video-overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,.25);
  cursor: pointer;
  transition: background .3s;
}
.video-overlay.playing { background: transparent; }
.video-overlay.playing:hover { background: rgba(0,0,0,.1); }

.play-btn {
  width: 72px; height: 72px;
  background: rgba(255,255,255,.9);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
}
.play-btn svg { width: 32px; height: 32px; color: var(--brand); margin-left: 4px; }
.play-btn.hidden { opacity: 0; pointer-events: none; }

/* ============================================================
   SECTION 4–8, 10 – IMAGE SECTIONS
   ============================================================ */
.img-section {
  max-width: var(--max-w);
  margin-inline: auto;
  overflow: hidden;
  background: var(--white);
}

.img-section__inner {
  width: 100%;
  overflow: hidden;
  position: relative;
  display: block;
}
.img-section__inner img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform .6s ease;
  cursor: zoom-in;
}
.img-section__inner:hover img { transform: scale(1.02); }

/* ============================================================
   SECTION 9 – REVIEWS
   ============================================================ */
.reviews {
  background: var(--white);
  max-width: var(--max-w);
  margin-inline: auto;
  padding: 20px 0 32px;
}

.reviews__header-img {
  width: 100%;
  margin-bottom: 24px;
}
.reviews__header-img img {
  width: 100%;
  height: auto;
  display: block;
}

.section-eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 8px;
}

.reviews__header { text-align: center; margin-bottom: 32px; }
.reviews__title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 10px;
}
.reviews__stars-row { font-size: .9rem; color: var(--text-light); }
.reviews__stars-row span { margin-left: 6px; }

.reviews__grid { display: flex; flex-direction: column; gap: 16px; }

.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 14px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}
.review-card.is-visible { opacity: 1; transform: translateY(0); }
.review-card:nth-child(2) { transition-delay: .1s; }
.review-card:nth-child(3) { transition-delay: .2s; }
.review-card:nth-child(4) { transition-delay: .3s; }

.review-card__avatar {
  width: 44px; height: 44px; min-width: 44px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem; color: var(--white);
}

.review-card__body { flex: 1; }
.review-card__name { font-weight: 700; font-size: .9rem; margin-bottom: 2px; }
.verified { font-size: .75rem; font-weight: 500; color: var(--accent); margin-left: 6px; }
.review-card__stars { font-size: .85rem; margin-bottom: 8px; }
.review-card__text { font-size: .92rem; color: var(--text-light); line-height: 1.55; font-style: italic; }
.review-card__photo {
  margin-top: 12px;
  border-radius: 8px;
  width: 80px;
  height: 80px;
  object-fit: cover;
  cursor: zoom-in;
  border: 1px solid #eaeaea;
}

.reviews__cta { margin-top: 32px; }

/* ============================================================
   ORDER SECTION
   ============================================================ */
.order-section {
  background: linear-gradient(180deg, #fff0f5 0%, var(--white) 100%);
  max-width: var(--max-w);
  margin-inline: auto;
}

#order-form-top {
  margin: 16px;
  border-radius: 16px;
  overflow: hidden;
  border: 1.5px solid #ffd6e7;
  box-shadow: 0 6px 24px rgba(255, 77, 141, 0.12), 0 2px 8px rgba(0,0,0,0.06);
}
@media (min-width: 500px) {
  #order-form-top {
    margin: 24px auto;
    width: calc(100% - 48px);
  }
}

.order-section__inner { padding: 40px 20px 48px; }

.countdown-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
.countdown-label { font-size: .85rem; font-weight: 600; color: var(--text-light); }
.countdown {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-dark);
  padding: 12px 24px;
  border-radius: 12px;
}
.countdown__block { text-align: center; }
.countdown__block span { display: block; font-size: 1.8rem; font-weight: 900; color: var(--white); line-height: 1; }
.countdown__block small { font-size: .65rem; color: #aaa; text-transform: uppercase; letter-spacing: 1px; }
.countdown__sep { font-size: 1.8rem; font-weight: 900; color: var(--brand); line-height: 1; }

.order-section__badge {
  display: inline-block;
  background: linear-gradient(135deg, #ff6b35, #ff4d8d);
  color: var(--white);
  font-size: .8rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: .5px;
  margin-bottom: 12px;
}

.order-section__title {
  font-size: clamp(1.6rem, 5vw, 2rem);
  font-weight: 900;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 16px;
}
.order-section__title span { color: var(--brand); }

.order-section__price-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.price-new { font-size: 1.8rem; font-weight: 900; color: var(--brand); }
.price-old { font-size: 1rem; color: #aaa; text-decoration: line-through; }
.price-save {
  background: #fff0f5;
  color: var(--brand);
  font-size: .78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--brand-light);
}

/* FORM */
.order-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-margin-top: 20px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: .9rem; font-weight: 600; color: var(--text); }
.required { color: var(--brand); }

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid #e0e0e0;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  color: var(--text);
  background: var(--white);
  transition: border-color .25s, box-shadow .25s;
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(255,77,141,.15);
}
.form-group input.is-error { border-color: #e63975; }

.form-error { font-size: .8rem; color: #e63975; margin-top: 2px; }
.form-error:empty { display: none; }

/* Qty Control */
.qty-control {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1.5px solid #e0e0e0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--white);
}
.qty-btn {
  width: 48px; height: 52px;
  border: none;
  background: var(--bg);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--brand);
  cursor: pointer;
  transition: background .2s;
  flex-shrink: 0;
}
.qty-btn:hover { background: #ffe0ed; }
.qty-control input {
  flex: 1;
  text-align: center;
  border: none !important;
  box-shadow: none !important;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  padding: 0 !important;
}

/* Order Total */
.order-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: #fff0f5;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--brand-light);
  font-size: 1rem;
  font-weight: 600;
}
.order-total strong { color: var(--brand); font-size: 1.3rem; font-weight: 900; }

/* Loader */
.loader {
  width: 22px; height: 22px;
  border: 3px solid rgba(255,255,255,.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.form-guarantee {
  text-align: center;
  font-size: .8rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-top: 4px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-dark);
  color: var(--white);
  max-width: var(--max-w);
  margin-inline: auto;
}

.footer__inner {
  padding: 40px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.footer__logo { height: 36px; width: auto; margin-bottom: 10px; filter: brightness(0) invert(1); }
.footer__slogan { font-size: .9rem; color: rgba(255,255,255,.6); margin-bottom: 14px; }

.footer__social { display: flex; gap: 12px; }
.social-link {
  width: 40px; height: 40px;
  background: rgba(255,255,255,.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 800;
  transition: background .25s, transform .25s;
}
.social-link svg { width: 20px; height: 20px; }
.social-link:hover { background: var(--brand); transform: scale(1.1); }

.footer__heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.store-city { margin-bottom: 16px; }
.store-city__name { font-size: .88rem; font-weight: 600; color: var(--brand-light); margin-bottom: 8px; }

.store-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.store-list li { font-size: .83rem; color: rgba(255,255,255,.65); padding-left: 12px; border-left: 2px solid var(--brand); }
.store-list li small { opacity: .7; }

.contact-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.contact-list li {
  display: flex; align-items: center; gap: 10px;
  font-size: .88rem; color: rgba(255,255,255,.75);
}
.contact-list li svg { width: 18px; height: 18px; flex-shrink: 0; opacity: .8; }
.contact-list a { transition: color .2s; }
.contact-list a:hover { color: var(--brand-light); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  text-align: center;
  font-size: .78rem;
  color: rgba(255,255,255,.4);
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  display: none;
  position: fixed; inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,.92);
  align-items: center;
  justify-content: center;
  padding: 20px;
  cursor: zoom-out;
}
.lightbox.is-open { display: flex; }
.lightbox img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: 12px;
  object-fit: contain;
}
.lightbox__close {
  position: absolute;
  top: 16px; right: 16px;
  width: 44px; height: 44px;
  border: 2px solid rgba(255,255,255,.4);
  border-radius: 50%;
  background: transparent;
  color: var(--white);
  font-size: 1.6rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.lightbox__close:hover { background: var(--brand); border-color: var(--brand); }

/* ============================================================
   ANIMATION UTILITIES
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.is-visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   RESPONSIVE TWEAKS (>= 480px centers content)
   ============================================================ */
@media (min-width: 481px) {
  body { background: #d8dce0; }

  .hero,
  .social-proof,
  .video-section,
  .img-section,
  .reviews,
  .order-section,
  .footer {
    max-width: var(--max-w);
    margin-inline: auto;
    box-shadow: 0 0 40px rgba(0,0,0,.15);
  }

  .sticky-bottom {
    max-width: var(--max-w);
    left: 50%;
    transform: translateX(-50%);
  }

  .float-btns {
    right: calc(50% - (var(--max-w) / 2) + 16px);
  }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}
/* ============================================================
   CAROUSEL
   ============================================================ */
.carousel-section {
  max-width: var(--max-w);
  margin-inline: auto;
  position: relative;
  background: var(--white);
  overflow: hidden;
}

.carousel__track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; /* Firefox */
}
.carousel__track::-webkit-scrollbar {
  display: none; /* Safari and Chrome */
}

.carousel__slide {
  flex: 0 0 100%;
  width: 100%;
  scroll-snap-align: start;
}

.carousel__slide img {
  width: 100%;
  height: auto;
  display: block;
  cursor: zoom-in;
}

.carousel__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 16px 0;
  background: var(--white);
}

.carousel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ddd;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s;
}

.carousel__dot.active {
  background: var(--brand);
}

/* Combo Dropdown Accordion UI */
.combo-dropdown {
  position: relative;
  user-select: none;
}

.combo-dropdown__trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border: 2px solid #ff4d8d;
  border-radius: 10px;
  background: #fff5f8;
  cursor: pointer;
  transition: all 0.2s ease;
}
.combo-dropdown__trigger:hover {
  background: #ffe8f0;
}

.combo-dropdown__trigger-left {
  font-weight: 700;
  font-size: 15px;
  color: #333;
}

.combo-dropdown__trigger-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.combo-dropdown__trigger-price {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
}

.combo-dropdown__trigger-price-new {
  font-weight: 800;
  color: #ff4d8d;
  font-size: 17px;
  line-height: 1;
}

.combo-dropdown__trigger-price-old {
  text-decoration: line-through;
  color: #999;
  font-size: 12px;
}

.combo-dropdown__trigger-save {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid #ff4d8d;
  border-radius: 12px;
  color: #ff4d8d;
  font-size: 11px;
  font-weight: 600;
  background: #fff;
  white-space: nowrap;
}

.combo-dropdown__arrow {
  font-size: 12px;
  color: #ff4d8d;
  transition: transform 0.25s ease;
  flex-shrink: 0;
  margin-left: 8px;
}
.combo-dropdown.is-open .combo-dropdown__arrow {
  transform: rotate(180deg);
}

.combo-dropdown__panel {
  display: none;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
  animation: comboFadeIn 0.2s ease;
}
.combo-dropdown.is-open .combo-dropdown__panel {
  display: flex;
}

@keyframes comboFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.combo-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 16px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  transition: all 0.15s ease;
}
.combo-option:hover {
  border-color: #ffb3cc;
  background: #fff9fb;
}
.combo-option.is-selected {
  border-color: #ff4d8d;
  background: #fff5f8;
}

.combo-option__name {
  font-weight: 700;
  font-size: 15px;
  color: #333;
}
.combo-option__name-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}
.combo-option__badge {
  display: inline-block;
  background: linear-gradient(90deg, #ff4d8d, #ff8c42);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 99px;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 4px rgba(255, 77, 141, 0.2);
}
.combo-option__badge--sieu-hoi {
  background: linear-gradient(90deg, #ff3366, #ff0044);
}
.combo-option__left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.combo-option__radio {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid #ccc;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.combo-option.is-selected .combo-option__radio {
  border-color: #ff4d8d;
}
.combo-option.is-selected .combo-option__radio::after {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ff4d8d;
  display: block;
}
.combo-option__right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
}
.combo-option__price-wrap {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.combo-option__price-new {
  font-weight: 800;
  color: #ff4d8d;
  font-size: 17px;
}
.combo-option__price-old {
  text-decoration: line-through;
  color: #999;
  font-size: 12px;
  font-weight: 500;
}
.combo-option__save {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid #ff4d8d;
  border-radius: 12px;
  color: #ff4d8d;
  font-size: 11px;
  font-weight: 600;
  background: #fff;
  line-height: 1;
}