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

:root {
  --burg:        #6b1a2a;
  --burg-deep:   #4d1020;
  --burg-mid:    #852033;
  --burg-light:  #b0394e;
  --burg-pale:   #fdf0f2;
  --burg-50:     #fff5f6;
  --rose-acc:    #e05470;
  --silver:      #e8ecef;
  --silver-mid:  #d0d6db;
  --silver-dark: #9aa3ab;
  --slate:       #2c3540;
  --slate-mid:   #3d4e5c;
  --slate-light: #526170;
  --white:       #ffffff;
  --off-white:   #f9fafb;
  --gray-100:    #f3f4f6;
  --gray-200:    #e5e7eb;
  --gray-400:    #9ca3af;
  --gray-600:    #4b5563;
  --gray-700:    #374151;
  --gray-900:    #111827;
  --star:        #f59e0b;
  --teal:        #0f766e;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--off-white);
  color: var(--gray-900);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ════════ HEADER ════════ */
.site-header {
  background: var(--slate);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 14px rgba(44,53,64,.45);
}
.header-top {
  max-width: 1120px;
  margin: 0 auto;
  padding: .75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo-group { display: flex; align-items: center; gap: .65rem; }
.logo-badge {
  background: var(--burg);
  color: #fff;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .28rem .75rem;
  border-radius: 3px;
  flex-shrink: 0;
}
.logo-name {
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .03em;
  line-height: 1.35;
}
.logo-name span { color: var(--burg-light); }
.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}
.hdr-chip {
  font-size: .65rem;
  color: var(--silver);
  display: flex;
  align-items: center;
  gap: .3rem;
  font-weight: 600;
  letter-spacing: .06em;
}
.hdr-chip::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--rose-acc);
}
@media(max-width:500px){ .header-right { display: none; } }

/* accent line */
.header-line {
  height: 3px;
  background: linear-gradient(90deg, var(--burg) 0%, var(--burg-light) 50%, var(--silver-mid) 100%);
}

/* ════════ PAGE MAIN ════════ */
.page-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem 1rem 2.5rem;
}

/* ════════ PRODUCT CARD ════════ */
.product-card {
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 2px 20px rgba(44,53,64,.1);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 800px) {
  .product-card { grid-template-columns: 420px 1fr; }
}

/* ── GALLERY ── */
.gallery {
  background: var(--gray-100);
  padding: 1.5rem;
  border-bottom: 1px solid var(--gray-200);
}
@media (min-width: 800px) {
  .gallery { border-bottom: none; border-right: 1px solid var(--gray-200); }
}

.slider-inputs { display: none; }

.slides {
  border-radius: 8px;
  background: var(--white);
  aspect-ratio: 1 / 1;
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 8px rgba(44,53,64,.08);
}
.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .28s ease;
  pointer-events: none;
}
.slide img { width: 100%; height: 100%; object-fit: contain; display: block; }

#s1:checked ~ .slides .slide:nth-child(1),
#s2:checked ~ .slides .slide:nth-child(2),
#s3:checked ~ .slides .slide:nth-child(3),
#s4:checked ~ .slides .slide:nth-child(4) {
  opacity: 1;
  pointer-events: auto;
}

.thumbnails {
  display: flex;
  gap: .55rem;
  margin-top: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.thumb-label {
  width: 64px; height: 64px;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  background: var(--white);
  box-shadow: 0 1px 4px rgba(44,53,64,.1);
  transition: border-color .2s, box-shadow .2s;
  flex-shrink: 0;
}
.thumb-label img { width: 100%; height: 100%; object-fit: cover; display: block; }

#s1:checked ~ .thumbnails .tl1,
#s2:checked ~ .thumbnails .tl2,
#s3:checked ~ .thumbnails .tl3,
#s4:checked ~ .thumbnails .tl4 {
  border-color: var(--burg);
  box-shadow: 0 0 0 3px var(--burg-pale);
}

/* ── PRODUCT INFO ── */
.product-info {
  padding: 1.75rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.product-info h1 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--slate);
  line-height: 1.45;
}

/* brand strip */
.brand-strip {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
}
.brand-tag {
  background: var(--slate);
  color: #fff;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .22rem .65rem;
  border-radius: 3px;
}
.brand-cat {
  font-size: .75rem;
  color: var(--burg-mid);
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.brand-rating {
  display: flex;
  align-items: center;
  gap: .3rem;
  font-size: .75rem;
  color: var(--gray-600);
  margin-left: auto;
}
.brand-rating .stars { color: var(--star); font-size: .85rem; }

/* feature list */
.feature-list { list-style: none; display: flex; flex-direction: column; gap: .85rem; }
.feature-list li {
  display: flex;
  gap: .7rem;
  align-items: flex-start;
  font-size: .87rem;
  color: var(--gray-700);
  line-height: 1.65;
  padding-bottom: .85rem;
  border-bottom: 1px dashed var(--gray-200);
}
.feature-list li:last-child { border-bottom: none; padding-bottom: 0; }

.feat-icon {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--burg-pale);
  border: 2px solid var(--burg-light);
  color: var(--burg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .62rem;
  font-weight: 800;
  margin-top: .08rem;
}

/* ════════ CTA ════════ */
.cta-section {
  text-align: center;
  padding: 2.5rem 1rem 2rem;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: var(--burg);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 1rem 2.75rem;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(107,26,42,.35);
  transition: background .2s, transform .12s, box-shadow .2s;
}
.cta-btn:hover {
  background: var(--burg-mid);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(107,26,42,.45);
}
.cta-btn:active { transform: translateY(0); }

/* ════════ REVIEWS ════════ */
.reviews-section {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem 3.5rem;
}
.reviews-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.75rem;
  padding-bottom: .75rem;
  border-bottom: 2px solid var(--burg-pale);
}
.reviews-header h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--slate);
  white-space: nowrap;
}
.reviews-header .score-block {
  display: flex;
  align-items: center;
  gap: .4rem;
  background: var(--burg-pale);
  padding: .28rem .75rem;
  border-radius: 100px;
}
.reviews-header .score-stars { color: var(--star); font-size: .9rem; }
.reviews-header .score-num { font-size: .78rem; font-weight: 700; color: var(--burg); }

/* single review */
.review {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--gray-200);
}
.review:last-child { border-bottom: none; }

.review-top {
  display: flex;
  gap: .9rem;
  align-items: flex-start;
  margin-bottom: .55rem;
}
.review-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--silver);
  border: 2px solid var(--silver-mid);
}
.review-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }

.review-name  { font-weight: 700; font-size: .92rem; color: var(--slate); line-height: 1.2; }
.review-stars { color: var(--star); font-size: .95rem; letter-spacing: .06em; line-height: 1.5; }
.review-title { font-weight: 700; font-size: .9rem; color: var(--gray-900); }

.review-meta-line { font-size: .75rem; color: var(--gray-600); margin-bottom: .15rem; }
.review-attr      { font-size: .75rem; color: var(--gray-600); margin-bottom: .15rem; }
.review-verified  { display: inline-block; font-size: .72rem; color: var(--teal); font-weight: 700; margin-bottom: .45rem; }
.review-body      { font-size: .87rem; color: var(--gray-700); line-height: 1.68; }

.review-photos { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .65rem; }
.review-photos img {
  width: 88px; height: 88px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--gray-200);
  box-shadow: 0 1px 4px rgba(0,0,0,.07);
}

/* ════════ FOOTER ════════ */
.site-footer {
  background: var(--slate);
  color: #b0bec5;
  text-align: center;
  padding: 2rem 1.5rem 2.25rem;
}
.footer-top {
  max-width: 700px;
  margin: 0 auto;
}
.footer-brand {
  font-size: 1rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: .06em;
  margin-bottom: .2rem;
  text-transform: uppercase;
}
.footer-brand span { color: var(--burg-light); }
.footer-sub {
  font-size: .72rem;
  color: var(--silver-dark);
  margin-bottom: .9rem;
  letter-spacing: .04em;
}
.footer-divider {
  width: 36px; height: 2px;
  background: var(--burg);
  margin: .75rem auto;
  border-radius: 2px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .3rem 1.35rem;
  margin-bottom: .85rem;
}
.footer-links a { font-size: .71rem; color: #90a4ae; text-decoration: none; transition: color .18s; }
.footer-links a:hover { color: var(--white); }
.footer-copy { font-size: .66rem; color: #546e7a; }