/* Cosmetics Home Variant */
:root {
  --cos-cream: #fdf9f5;
  
  --cos-dark: #1a1a1a;
  --cos-text: #555;
  --cos-border: #f0e8de;
}

/* ── SHARED SECTION STYLES ── */
.cos-section-header { text-align: center; margin-bottom: 36px; }
.cos-section-label {
  display: block; font-style: italic; font-size: 14px;
  color: var(--molla-accent); margin-bottom: 6px; letter-spacing: .5px;
}
.cos-section-title {
  font-size: 26px; font-weight: 700; letter-spacing: 1px;
  color: var(--cos-dark); margin: 0 0 10px;
  text-transform: uppercase;
}
.cos-section-title::after {
  content: ''; display: block; width: 50px; height: 2px;
  background: var(--molla-accent); margin: 10px auto 0;
}

/* ── HERO SLIDER ── */
.cos-hero-slider {
  position: relative; overflow: hidden;
  height: 500px; background: var(--cos-cream);
}
.cos-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transition: opacity .6s ease;
}
.cos-slide.active { opacity: 1; }
.cos-slide-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(253,249,245,.85) 40%, rgba(253,249,245,.2) 100%);
}
.cos-slide-inner {
  position: relative; z-index: 1; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  max-width: 520px; padding-top: 0;
}
.cos-slide-label {
  display: inline-block; font-style: italic; font-size: 14px;
  color: var(--molla-accent); border-bottom: 1px solid var(--molla-accent);
  padding-bottom: 3px; margin-bottom: 14px; letter-spacing: .5px;
}
.cos-slide-title {
  font-size: 36px; font-weight: 800; color: var(--cos-dark);
  line-height: 1.2; margin-bottom: 20px; letter-spacing: .5px;
}
.cos-slide-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--cos-dark); color: #fff;
  padding: 13px 28px; font-size: 13px; font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase; text-decoration: none;
  transition: background .2s; align-self: flex-start;
}
.cos-slide-btn:hover { background: var(--molla-accent); color: #fff; }

/* Arrows */
.cos-slider-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 10; background: rgba(255,255,255,.7); border: none;
  width: 40px; height: 40px; font-size: 16px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.cos-slider-arrow:hover { background: var(--molla-accent); color: #fff; }
.cos-slider-prev { left: 16px; }
.cos-slider-next { right: 16px; }

/* Dots */
.cos-slider-dots {
  position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 10;
}
.cos-slider-dot {
  width: 8px; height: 8px; border-radius: 50%; border: none;
  background: rgba(201,160,32,.4); cursor: pointer; padding: 0;
  transition: background .2s, transform .2s;
}
.cos-slider-dot.active { background: var(--molla-accent); transform: scale(1.3); }

/* ── ABOUT ── */
.cos-about {
  background: #fff;
  padding: 80px 0;
}
.cos-about-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.cos-about-img img {
  width: 100%; height: 420px; object-fit: cover;
  border-radius: 2px;
}
.cos-about-content .cos-section-title { text-align: left; }
.cos-about-content .cos-section-title::after { margin-left: 0; }
.cos-about-text { font-size: 14px; color: var(--cos-text); line-height: 1.75; margin: 20px 0 30px; }
.cos-services { display: flex; gap: 24px; flex-wrap: wrap; }
.cos-service-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; color: var(--cos-dark);
}
.cos-service-item i { font-size: 20px; color: var(--molla-accent); }

/* ── PRODUCTS SECTION ── */
.cos-products-section {
  background: var(--cos-cream);
  padding: 60px 0;
}
.cos-top-collection { background: #fff; }
.cos-products-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px;
}

/* Product card: transparent bg để thừa hưởng màu section */
.cos-products-section .molla-product-card {
  background: transparent;
}
/* Section nền trắng thì card vẫn trắng */
.cos-top-collection .molla-product-card {
  background: #fff;
}

/* ── TUTORIAL ── */
.cos-tutorial {
  background: var(--cos-dark);
  padding: 80px 0;
}
.cos-tutorial .cos-section-title { color: #fff; }
.cos-tutorial .cos-section-label { color: #d4a940; }
.cos-tutorial-wrap {
  position: relative; border-radius: 4px; overflow: hidden;
  max-width: 900px; margin: 0 auto; cursor: pointer;
}
.cos-tutorial-thumb {
  width: 100%; height: 480px; object-fit: cover; display: block;
  filter: brightness(.8);
}
.cos-play-btn {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 70px; height: 70px; border-radius: 50%;
  background: rgba(255,255,255,.15); border: 2px solid rgba(255,255,255,.8);
  color: #fff; font-size: 28px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, transform .2s;
}
.cos-play-btn:hover { background: rgba(255,255,255,.3); transform: translate(-50%,-50%) scale(1.1); }

/* Tutorial video modal */
.cos-video-modal {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
}
.cos-video-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.85); cursor: pointer; }
.cos-video-wrap {
  position: relative; z-index: 1; width: 90vw; max-width: 900px;
  background: #000;
}
.cos-video-wrap iframe { width: 100%; height: 506px; }
.cos-video-close {
  position: absolute; top: -36px; right: 0;
  background: none; border: none; color: #fff; font-size: 20px; cursor: pointer;
}

/* ── BLOG ── */
.cos-blog {
  background: var(--cos-cream);
  padding: 60px 0;
}
.cos-blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cos-blog-card { display: block; text-decoration: none; color: inherit; }
.cos-blog-img { position: relative; overflow: hidden; border-radius: 2px; }
.cos-blog-img img {
  width: 100%; height: 220px; object-fit: cover;
  transition: transform .4s;
}
.cos-blog-card:hover .cos-blog-img img { transform: scale(1.04); }
.cos-blog-date {
  position: absolute; bottom: 10px; left: 14px;
  background: var(--molla-accent); color: #fff;
  font-size: 11px; padding: 3px 8px; letter-spacing: .5px;
}
.cos-blog-body { padding: 18px 0 0; }
.cos-blog-title { font-size: 15px; font-weight: 700; color: var(--cos-dark); margin-bottom: 8px; line-height: 1.4; }
.cos-blog-excerpt { font-size: 13px; color: var(--cos-text); line-height: 1.6; margin-bottom: 10px; }
.cos-blog-author { font-size: 12px; color: var(--molla-accent); font-style: italic; }

/* ── INSTAGRAM ── */
.cos-instagram { background: #fff; padding: 60px 0; text-align: center; }
.cos-insta-title {
  font-size: 22px; font-weight: 800; letter-spacing: 2px;
  color: var(--cos-dark); margin-bottom: 4px;
}
.cos-insta-handle { font-size: 14px; color: var(--molla-accent); font-style: italic; margin-bottom: 28px; }
.cos-insta-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.cos-insta-item { position: relative; overflow: hidden; }
.cos-insta-item img {
  width: 100%; aspect-ratio: 1; object-fit: cover; display: block;
  transition: transform .4s;
}
.cos-insta-item:hover img { transform: scale(1.06); }
.cos-insta-overlay {
  position: absolute; inset: 0; background: rgba(201,160,32,.5);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 24px;
  opacity: 0; transition: opacity .3s;
}
.cos-insta-item:hover .cos-insta-overlay { opacity: 1; }

/* ── NEWSLETTER BAR ── */
.cos-newsletter-bar {
  background: #fff;
  border-top: 1px solid #f0e8de;
  border-bottom: 1px solid #f0e8de;
  padding: 36px 0;
}
.cos-nl-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
}
.cos-nl-title {
  font-size: 18px; font-weight: 800; color: var(--cos-dark); letter-spacing: 1px;
  text-transform: uppercase; margin: 0;
}
.cos-nl-desc { font-size: 13px; color: #888; margin: 4px 0 0; }
.cos-nl-form { flex-shrink: 0; }
.cos-nl-group { display: flex; border: 1px solid #ddd; }
.cos-nl-input {
  padding: 11px 16px; border: none; background: #fff;
  color: var(--cos-dark); font-size: 13px; width: 260px; outline: none;
}
.cos-nl-input::placeholder { color: #bbb; }
.cos-nl-btn {
  padding: 11px 22px; background: var(--molla-accent); color: #fff;
  border: none; font-size: 12px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; cursor: pointer; transition: background .2s; white-space: nowrap;
}
.cos-nl-btn:hover { background: #b08a18; }

/* ── RESPONSIVE ── */
@media (max-width: 1199px) {
  .cos-slide-title { font-size: 28px; }
  .cos-products-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 991px) {
  .cos-hero-slider { height: 380px; }
  .cos-slide-title { font-size: 24px; }
  .cos-about-inner { grid-template-columns: 1fr; gap: 40px; }
  .cos-about-img img { height: 300px; }
  .cos-products-grid { grid-template-columns: repeat(3, 1fr); }
  .cos-blog-grid { grid-template-columns: repeat(2, 1fr); }
  .cos-insta-grid { grid-template-columns: repeat(3, 1fr); }
  .cos-nl-inner { flex-direction: column; text-align: center; gap: 24px; }
  .cos-nl-input { width: 240px; }
}
@media (max-width: 767px) {
  .cos-hero-slider { height: 300px; }
  .cos-slide-title { font-size: 20px; }
  .cos-products-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .cos-blog-grid { grid-template-columns: 1fr; }
  .cos-insta-grid { grid-template-columns: repeat(3, 1fr); }
}