/* ═══════════════════════════════════════════════════════════════
   ANM Furniture — Main CSS
   Design: Modern luxury, navy + gold palette
═══════════════════════════════════════════════════════════════ */

/* ── CSS Variables ─────────────────────────────────────────────── */
:root {
  --primary:    #0d1b2a;
  --primary-light: #1a2f45;
  --gold:       #c8a96e;
  --gold-light: #e2c98a;
  --gold-dark:  #a88848;
  --white:      #ffffff;
  --cream:      #f8f4ef;
  --text:       #1a1a2a;
  --text-muted: #6b7280;
  --border:     #e5e7eb;
  --shadow:     0 4px 20px rgba(0,0,0,.08);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.12);
  --radius:     12px;
  --radius-sm:  8px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
  --nav-height: 70px;
  --container:  1280px;
  --primary-rgb: 13,27,42;
  --gold-rgb:    200,169,110;
  --nav-bg:          rgba(var(--primary-rgb),.95);
  --nav-bg-scrolled: rgba(var(--primary-rgb),.99);
}

/* html背景兜底，防止极短时间内白屏（内联style优先） */
html { background: #0d1b2a; }

/* ── Color themes (5 selectable schemes) ───────────────────────── */
[data-theme="navy"] {
  --primary: #0d1b2a; --primary-light: #1a2f45; --primary-rgb: 13,27,42;
  --gold: #c8a96e; --gold-light: #e2c98a; --gold-dark: #a88848; --gold-rgb: 200,169,110;
  --cream: #f8f4ef;
  --nav-bg: rgba(var(--primary-rgb),.95); --nav-bg-scrolled: rgba(var(--primary-rgb),.99);
}
[data-theme="black"] {
  --primary: #141414; --primary-light: #2a2a2a; --primary-rgb: 20,20,20;
  --gold: #d4af37; --gold-light: #f0d97d; --gold-dark: #b8942a; --gold-rgb: 212,175,55;
  --cream: #f7f5f2;
  --nav-bg: rgba(var(--primary-rgb),.95); --nav-bg-scrolled: rgba(var(--primary-rgb),.99);
}
[data-theme="green"] {
  --primary: #0f2a24; --primary-light: #1c433a; --primary-rgb: 15,42,36;
  --gold: #c8a96e; --gold-light: #e2c98a; --gold-dark: #a88848; --gold-rgb: 200,169,110;
  --cream: #f1f6f3;
  --nav-bg: rgba(var(--primary-rgb),.95); --nav-bg-scrolled: rgba(var(--primary-rgb),.99);
}
[data-theme="wine"] {
  --primary: #3a121b; --primary-light: #55212c; --primary-rgb: 58,18,27;
  --gold: #d0a85f; --gold-light: #ecca86; --gold-dark: #ad8544; --gold-rgb: 208,168,95;
  --cream: #f9f2f2;
  --nav-bg: rgba(var(--primary-rgb),.95); --nav-bg-scrolled: rgba(var(--primary-rgb),.99);
}
[data-theme="slate"] {
  --primary: #2b3a4a; --primary-light: #3d5064; --primary-rgb: 43,58,74;
  --gold: #8fa6bd; --gold-light: #c3d2e0; --gold-dark: #6f8598; --gold-rgb: 143,166,189;
  --cream: #f2f5f8;
  --nav-bg: rgba(var(--primary-rgb),.95); --nav-bg-scrolled: rgba(var(--primary-rgb),.99);
}

/* ── Reset & Base ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { overflow-y: scroll !important; scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Typography ────────────────────────────────────────────────── */
h1, h2, h3, h4, h5 { line-height: 1.25; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
.section-title {
  text-align: center;
  margin-bottom: 3rem;
}
.section-title h2 { color: var(--primary); margin-bottom: .5rem; }
.section-title .gold-line {
  display: inline-block;
  width: 60px; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
  margin: .75rem auto;
}
.section-title p { color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* ── Layout ────────────────────────────────────────────────────── */
.container { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; background: var(--white); }
.section-alt { background: var(--cream); }

/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 2rem;
  font-size: .95rem; font-weight: 600;
  border-radius: 50px;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--primary);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(var(--gold-rgb),.4); }
.btn-outline {
  border: 2px solid var(--gold);
  color: var(--gold);
}
.btn-outline:hover { background: var(--gold); color: var(--primary); }
.btn-dark {
  background: var(--primary);
  color: var(--white);
}
.btn-dark:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow); }

/* ── Navigation ────────────────────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  z-index: 1000;
  transition: all var(--transition);
  border-bottom: 1px solid rgba(var(--gold-rgb),.15);
}
#navbar.scrolled {
  background: var(--nav-bg-scrolled);
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.nav-inner {
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
/* Desktop: hide drawer lang switcher (shown on mobile only) */
.nav-drawer-lang { display: none; }

.nav-logo { display: flex; align-items: center; gap: .75rem; }
.nav-logo .logo-text { font-size: 1.5rem; font-weight: 800; color: var(--gold); letter-spacing: 2px; }
.nav-logo .logo-sub { font-size: .7rem; color: rgba(255,255,255,.6); letter-spacing: 1px; display: block; text-transform: uppercase; }
.nav-menu { display: flex; align-items: center; gap: .25rem; }
.nav-drawer-cats { display: none; }
.nav-item {
  position: relative;
  padding: .5rem 1rem;
  color: rgba(255,255,255,.85);
  font-size: .9rem; font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
}
.nav-item,
.nav-item:link,
.nav-item:visited { color: rgba(255,255,255,.85); }
.nav-item.active,
.nav-item.active:link,
.nav-item.active:visited { color: var(--gold); background: rgba(var(--gold-rgb),.1); }
.nav-item:hover { background: rgba(var(--gold-rgb),.1); }
/* 点击、聚焦时色值不变，且无点击背景闪色 */
.nav-item:active { color: rgba(255,255,255,.85); background: transparent; }
.nav-item.active:active { color: var(--gold); background: rgba(var(--gold-rgb),.1); }
.nav-item::after {
  content: ''; position: absolute; bottom: -2px; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav-item:hover::after, .nav-item.active::after { width: 60%; }
.nav-right { display: flex; align-items: center; gap: 1rem; }
.lang-switcher { display: flex; align-items: center; gap: .25rem; }
.lang-btn {
  padding: .35rem .65rem;
  color: rgba(255,255,255,.65);
  font-size: .8rem; font-weight: 500;
  border-radius: 20px;
  transition: all var(--transition);
  border: 1px solid transparent;
}
.lang-btn:hover, .lang-btn.active { color: var(--gold); border-color: rgba(var(--gold-rgb),.4); background: rgba(var(--gold-rgb),.1); }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; padding: .5rem; z-index: 1001; }
.nav-hamburger span { display: block; width: 24px; height: 2px; background: var(--gold); border-radius: 2px; transition: all var(--transition); }
/* Hamburger open state (X) */
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav overlay */
.nav-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.nav-overlay.open { opacity: 1; pointer-events: auto; }

/* Mobile nav drawer */
@media (max-width: 900px) {
  body.nav-open { overflow: hidden; }
  .nav-menu {
    position: fixed; top: 0; left: 0;
    width: 260px; max-width: 75vw;
    height: 100dvh;
    background: var(--primary);
    flex-direction: column;
    padding: calc(var(--nav-height) + .5rem) 1.25rem 1.25rem;
    gap: 0;
    z-index: 999;
    transform: translateX(-100%);
    transition: transform .35s cubic-bezier(.4,0,.2,1);
    box-shadow: 4px 0 30px rgba(0,0,0,.4);
    align-items: stretch;
    justify-content: flex-start;
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-menu li { width: 100%; flex: none; }
  .nav-item { width: 100%; text-align: left; padding: .7rem 1rem; font-size: .92rem; border-radius: 8px; flex: none; display: block; }
  .nav-item.active { background: rgba(var(--gold-rgb),.12); }
  .nav-hamburger { display: flex; }
  /* Drawer category list (sub-items under Products) */
  .nav-drawer-cats { width: 100%; flex: none; display: flex; flex-direction: column; gap: 1px; padding-left: 1rem; }
  .nav-drawer-cat-link { display: block; padding: .45rem 1rem; font-size: .8rem; color: rgba(255,255,255,.6); border-radius: 6px; transition: all .2s ease; text-decoration: none; cursor: pointer; }
  .nav-drawer-cat-link:hover { color: var(--gold); background: rgba(var(--gold-rgb),.08); }
}

/* ── Hero / Banner Slider ──────────────────────────────────────── */
.hero {
  margin-top: var(--nav-height);
  position: relative;
  overflow: hidden;
  background: var(--primary);
}
.slider-wrapper { position: relative; overflow: hidden; }
.slider-track { display: flex; transition: transform .6s cubic-bezier(.4,0,.2,1); will-change: transform; }
.slide {
  min-width: 100%;
  position: relative;
  aspect-ratio: 16/6;
  overflow: hidden;
}
@media (max-width: 768px) { .slide { aspect-ratio: 4/3; } }
.slide img, .slide svg, .slide .slide-bg {
  width: 100%; height: 100%;
  object-fit: cover;
}
.slide-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(var(--primary-rgb),.75) 0%, rgba(var(--primary-rgb),.3) 100%);
  display: flex; align-items: center;
}
.slide-content { padding: 0 8%; }
.slide-content .tag {
  display: inline-block;
  background: var(--gold);
  color: var(--primary);
  font-size: .75rem; font-weight: 700;
  padding: .3rem .85rem;
  border-radius: 50px;
  text-transform: uppercase; letter-spacing: 1.5px;
  margin-bottom: 1rem;
}
.slide-content h1 { color: var(--white); text-shadow: 0 2px 10px rgba(0,0,0,.3); margin-bottom: 1rem; }
.slide-content p { color: rgba(255,255,255,.85); font-size: 1.1rem; margin-bottom: 2rem; max-width: 540px; }
.slider-controls { position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%); display: flex; gap: .5rem; z-index: 5; }
.slider-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.4); transition: all var(--transition); cursor: pointer; }
.slider-dot.active { background: var(--gold); width: 28px; border-radius: 5px; }
.slider-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px;
  background: rgba(255,255,255,.15); backdrop-filter: blur(4px);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 1.2rem;
  transition: all var(--transition); z-index: 5; cursor: pointer; border: 1px solid rgba(255,255,255,.2);
}
.slider-arrow:hover { background: var(--gold); color: var(--primary); }
.slider-prev { left: 1.5rem; }
.slider-next { right: 1.5rem; }

/* ── Category Cards ────────────────────────────────────────────── */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
.cat-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 1px 8px rgba(0,0,0,.05);
  display: flex;
  flex-direction: column;
  transition: transform .4s cubic-bezier(.4,0,.2,1),
              box-shadow .4s ease;
}
.cat-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,0,0,.12), 0 0 0 1px rgba(var(--gold-rgb),.3);
}
.cat-card:active { transform: scale(.96); }

/* ── Image area ──────────────────────────────────────────────── */
.cat-card-img {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: var(--cream);
  flex-shrink: 0;
}
.cat-card-img img,
.cat-card-img svg {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s ease, filter .4s ease;
}
.cat-card:hover .cat-card-img img,
.cat-card:hover .cat-card-img svg {
  transform: scale(1.12);
  filter: brightness(.88);
}
/* Gold bar at bottom of image */
.cat-card-img::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold), var(--gold-light), var(--gold));
  background-size: 200% 100%;
  opacity: 0;
  transition: opacity .4s ease;
  z-index: 2;
}
.cat-card:hover .cat-card-img::after {
  opacity: 1;
  animation: shimmer 1.2s ease-in-out infinite;
}

/* ── Body ────────────────────────────────────────────────────── */
.cat-card-body {
  padding: 1.25rem 1.25rem 1.1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  text-align: center;
}
/* Gold accent dot above title */
.cat-card-body::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
  margin-bottom: .1rem;
}
.cat-card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0;
  line-height: 1.35;
  letter-spacing: .5px;
  transition: color .3s ease;
}
.cat-card:hover .cat-card-body h3 {
  color: var(--gold-dark);
}
.cat-card-body .cat-count {
  font-size: .72rem;
  font-weight: 500;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  letter-spacing: .4px;
}

/* ── All Products Card ────────────────────────────────────────── */
.cat-card-all .cat-card-img {
  background: linear-gradient(145deg, var(--primary), #15273a);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
/* Decorative ring pattern */
.cat-card-all .cat-card-img::before {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  border: 1px solid rgba(var(--gold-rgb),.08);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(1);
  animation: allCatRing 6s ease-in-out infinite;
}
.cat-card-all .all-icon-wrap {
  width: 60px; height: 60px;
  background: rgba(var(--gold-rgb),.1);
  border: 2px solid rgba(var(--gold-rgb),.35);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: var(--gold);
  position: relative;
  z-index: 1;
  transition: transform .5s cubic-bezier(.4,0,.2,1),
              border-color .4s ease,
              background .4s ease;
}
.cat-card-all:hover .all-icon-wrap {
  transform: scale(1.18) rotate(-12deg);
  border-color: var(--gold-light);
  background: rgba(var(--gold-rgb),.2);
}
.cat-card-all .cat-count {
  transition: gap .3s ease;
}
.cat-card-all:hover .cat-count {
  gap: .6rem;
}
.cat-card-all .cat-card-body::before {
  background: rgba(var(--gold-rgb),.5);
}

@keyframes allCatRing {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50%      { transform: translate(-50%, -50%) scale(1.3); opacity: .3; }
}

/* ── Category Responsive ──────────────────────────────────────── */
@media (max-width: 900px) {
  .categories-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }
  .cat-card-img { height: 180px; }
  .cat-card-body { padding: 1rem 1rem .9rem; }
  .cat-card-body h3 { font-size: .95rem; }
}
@media (max-width: 640px) {
  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: .75rem;
  }
  .cat-card-img { height: 140px; }
  .cat-card-body { padding: .85rem .75rem .75rem; gap: .25rem; }
  .cat-card-body::before { width: 18px; }
  .cat-card-body h3 { font-size: .85rem; letter-spacing: .3px; }
  .cat-card-body .cat-count { font-size: .65rem; }
  .cat-card-all .all-icon-wrap { width: 44px; height: 44px; font-size: 1.1rem; }
  .cat-card-all .cat-card-img::before { width: 140px; height: 140px; }
}
@media (max-width: 400px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: .6rem;
  }
  .cat-card-img { height: 110px; }
}

/* ── Product Cards ─────────────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1080px;
  margin: 0 auto;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  transition: all .4s cubic-bezier(.4,0,.2,1);
  cursor: pointer;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.product-card:hover { transform: translateY(-8px); box-shadow: 0 16px 48px rgba(0,0,0,.12); border-color: var(--gold); }

/* ── News Cards ──────────────────────────────────────────────── */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1080px;
  margin: 0 auto;
}
.news-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  transition: all .4s cubic-bezier(.4,0,.2,1);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.news-card:hover { transform: translateY(-8px); box-shadow: 0 16px 48px rgba(0,0,0,.12); border-color: var(--gold); }
.news-card-img { aspect-ratio: 16/9; overflow: hidden; background: var(--bg); flex-shrink: 0; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .news-card-img img { transform: scale(1.05); }
.news-card-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.news-card-date { font-size: .78rem; color: var(--text-muted); margin-bottom: .5rem; }
.news-card-date i { margin-right: .35rem; }
.news-card-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: .5rem; line-height: 1.4; }
.news-card-body p { font-size: .85rem; color: var(--text-muted); line-height: 1.6; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-more { font-size: .82rem; font-weight: 600; color: var(--gold); margin-top: .75rem; display: inline-flex; align-items: center; gap: .35rem; }
.news-card-more i { transition: transform .2s ease; }
.news-card:hover .news-card-more i { transform: translateX(4px); }

/* ── News Article Detail ─────────────────────────────────────── */
.news-article { }
.news-article-meta { font-size: .88rem; color: var(--text-muted); margin-bottom: 1rem; }
.news-article-meta i { margin-right: .4rem; }
.news-article-title { font-size: 1.8rem; font-weight: 800; line-height: 1.3; margin-bottom: 1rem; }
.news-article-summary { font-size: 1rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 2rem; padding: 1rem 1.25rem; background: var(--bg); border-radius: var(--radius); border-left: 3px solid var(--gold); }
.news-article-body { font-size: .95rem; line-height: 1.9; }
.news-article-body p { margin-bottom: 1rem; }
.news-article-body img { max-width: 100%; border-radius: var(--radius); margin: 1.5rem 0; }
.news-article-body h2, .news-article-body h3 { margin-top: 1.5rem; margin-bottom: .75rem; }

@media(max-width:768px){
  .news-grid { grid-template-columns: 1fr; }
  .news-article-title { font-size: 1.3rem; }
}

.product-card-img {
  position: relative; aspect-ratio: 4/3; overflow: hidden;
  background: var(--cream);
  flex-shrink: 0;
}
.product-card-img::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px; background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
  opacity: 0; transition: opacity .35s ease;
}
.product-card:hover .product-card-img::after { opacity: 1; }
.product-card-img img, .product-card-img svg { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.product-card-img img[src=""], .product-card-img img.error { display: none; }
.product-card-img .img-fallback { display: none; }
.product-card-img img.error + .img-fallback { display: flex; }
.product-card:hover .product-card-img img:not(.error) { transform: scale(1.06); }
.product-card-badge {
  position: absolute; top: .75rem; left: .75rem;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--white);
  font-size: .65rem; font-weight: 700;
  padding: .2rem .65rem; border-radius: 20px;
  text-transform: uppercase; letter-spacing: 1px;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.product-card-body {
  padding: 1.25rem 1.25rem .75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.product-card-cat {
  color: var(--gold);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: .1rem;
  display: inline-block;
  background: rgba(var(--gold-rgb),.08);
  padding: .15rem .6rem;
  border-radius: 4px;
  align-self: flex-start;
}
.product-card-body h3 {
  font-size: 1.05rem;
  color: var(--primary);
  margin: 0;
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: .3px;
}
.product-card-model {
  color: var(--text-muted);
  font-size: .75rem;
  font-family: 'Courier New', monospace;
  letter-spacing: .5px;
  opacity: .7;
}
.product-card-desc {
  color: #6b7280;
  font-size: .85rem;
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: .15rem 0 0;
}
.product-card-footer {
  padding: .75rem 1.25rem;
  border-top: 1px solid rgba(var(--gold-rgb),.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}
.product-card-footer .moq {
  font-size: .75rem;
  color: var(--text-muted);
  background: var(--cream);
  padding: .2rem .6rem;
  border-radius: 4px;
}
.product-card-footer .view-btn {
  font-size: .78rem;
  font-weight: 700;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: .3rem;
  transition: gap .3s ease;
  letter-spacing: .3px;
}
.product-card:hover .view-btn { gap: .6rem; }

/* ── Advantages ────────────────────────────────────────────────── */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}
.adv-card {
  text-align: center;
  padding: 2.5rem 2rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid transparent;
}
.adv-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--gold); }
.adv-icon {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.8rem;
  color: var(--gold);
  box-shadow: 0 8px 25px rgba(var(--primary-rgb),.2);
}
.adv-card h3 { color: var(--primary); font-size: 1.1rem; margin-bottom: .75rem; }
.adv-card p { color: var(--text-muted); font-size: .9rem; line-height: 1.6; }

/* ── Company summary strip ─────────────────────────────────────── */
.stats-strip {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: 3.5rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 2rem; text-align: center;
}
.stat-item { color: var(--white); }
.stat-num { font-size: 2.5rem; font-weight: 800; color: var(--gold); display: block; }
.stat-label { font-size: .85rem; color: rgba(255,255,255,.7); margin-top: .3rem; }

/* ── About intro ────────────────────────────────────────────────── */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
@media (max-width: 768px) { .about-intro { grid-template-columns: 1fr; gap: 2rem; } }
.about-intro-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 4/3; }
.about-intro-img img, .about-intro-img svg { width: 100%; height: 100%; object-fit: cover; }
.about-intro-text .tag-line { color: var(--gold); font-size: .85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 1rem; }
.about-intro-text h2 { color: var(--primary); margin-bottom: 1.5rem; }
.about-intro-text p { color: var(--text-muted); line-height: 1.8; margin-bottom: 1rem; }

/* ── Footer ────────────────────────────────────────────────────── */
footer {
  background: var(--primary);
  color: rgba(255,255,255,.8);
  padding: 4rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; gap: 2rem; } }
.footer-brand .logo-text { font-size: 1.8rem; font-weight: 800; color: var(--gold); letter-spacing: 2px; margin-bottom: 1rem; }
.footer-brand p { font-size: .88rem; line-height: 1.7; color: rgba(255,255,255,.6); margin-bottom: 1.5rem; }
.footer-socials { display: flex; gap: .75rem; }
.social-btn {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.08);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: all var(--transition); color: rgba(255,255,255,.7);
}
.social-btn:hover { background: var(--gold); color: var(--primary); transform: translateY(-3px); }
.footer-col h4 { color: var(--gold); font-size: .9rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1.25rem; }
.footer-links li { margin-bottom: .65rem; }
.footer-links a { color: rgba(255,255,255,.6); font-size: .88rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--gold); }
.footer-contact-item { display: flex; gap: .75rem; margin-bottom: .85rem; font-size: .85rem; }
.footer-contact-item i { color: var(--gold); margin-top: .1rem; flex-shrink: 0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 1.25rem 0;
  display: flex; align-items: center; justify-content: space-between;
  font-size: .8rem; color: rgba(255,255,255,.4);
  flex-wrap: wrap; gap: .5rem;
}

/* ── Float button ───────────────────────────────────────────────── */
#float-btn {
  position: fixed; bottom: 2rem; right: 2rem;
  z-index: 900;
  width: 56px; height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  transition: transform var(--transition), box-shadow var(--transition);
  font-size: 1.5rem; color: var(--white);
  animation: float-bob 3s ease-in-out infinite;
}
/* pulsing ring */
#float-btn::before {
  content: ""; position: absolute; inset: 0;
  border-radius: 50%;
  background: inherit;
  z-index: -1;
  animation: float-pulse 2.4s ease-out infinite;
}
#float-btn:hover { animation-play-state: paused; transform: scale(1.1); box-shadow: 0 8px 30px rgba(37,211,102,.5); }
#float-btn.facebook { background: #1877f2; box-shadow: 0 4px 20px rgba(24,119,242,.4); }
#float-btn.facebook:hover { box-shadow: 0 8px 30px rgba(24,119,242,.5); }

@keyframes float-bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}
@keyframes float-pulse {
  0%   { transform: scale(1); opacity: .5; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  #float-btn { animation: none; }
  #float-btn::before { animation: none; display: none; }
}

/* ── Breadcrumb ─────────────────────────────────────────────────── */
.breadcrumb {
  padding: 1rem 0;
  font-size: .85rem;
  color: var(--text-muted);
  display: flex; align-items: center; gap: .5rem;
  border-bottom: 1px solid var(--border);
}
.breadcrumb a { color: var(--text-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: var(--text); }
.breadcrumb-sep { color: var(--border); }

/* ── Product Detail ─────────────────────────────────────────────── */
.product-detail-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start;
}
@media (max-width: 768px) { .product-detail-layout { grid-template-columns: 1fr; gap: 2rem; } }
.product-gallery { position: sticky; top: calc(var(--nav-height) + 1.5rem); }
.gallery-main {
  border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4/3; background: var(--cream);
  margin-bottom: 1rem;
}
.gallery-main img, .gallery-main svg { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: .5rem; flex-wrap: wrap; }
.gallery-thumb {
  width: 72px; height: 72px;
  border-radius: var(--radius-sm); overflow: hidden;
  cursor: pointer; border: 2px solid transparent; transition: border-color var(--transition);
  background: var(--cream);
}
.gallery-thumb:hover, .gallery-thumb.active { border-color: var(--gold); }
.gallery-thumb img, .gallery-thumb svg { width: 100%; height: 100%; object-fit: cover; }
.product-info-section .cat-tag { color: var(--gold); font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: .75rem; }
.product-info-section h1 { font-size: 1.8rem; color: var(--primary); margin-bottom: .5rem; }
.product-model { color: var(--text-muted); font-size: .9rem; font-family: monospace; margin-bottom: 1.5rem; }
.product-divider { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }
.spec-table { width: 100%; border-collapse: collapse; font-size: .9rem; margin-bottom: 1.5rem; }
.spec-table tr { border-bottom: 1px solid var(--border); }
.spec-table tr:last-child { border-bottom: none; }
.spec-table td { padding: .65rem .5rem; vertical-align: top; }
.spec-table td:first-child { color: var(--text-muted); width: 40%; font-weight: 500; }
.spec-table td:last-child { color: var(--text); font-weight: 500; }
.product-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }
.product-detail-content { margin-top: 4rem; }
.product-detail-content h2 { color: var(--primary); font-size: 1.4rem; margin-bottom: 1.5rem; padding-bottom: .75rem; border-bottom: 2px solid var(--gold); display: inline-block; }

/* ── Product List Page ──────────────────────────────────────────── */
.filter-bar {
  display: flex; align-items: center; gap: .75rem;
  margin-bottom: 2.5rem; flex-wrap: wrap;
  padding: 1.25rem; background: var(--white);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.filter-btn {
  padding: .5rem 1.25rem;
  border-radius: 50px;
  font-size: .88rem; font-weight: 500;
  color: var(--text-muted);
  border: 1.5px solid var(--border);
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active { background: var(--primary); color: var(--gold); border-color: var(--primary); }

/* ── Contact Page ─────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ── Contact Info Card (Left) ────────────────────────────────────── */
.contact-info-card {
  background: linear-gradient(145deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  display: flex;
  box-shadow: 0 8px 32px rgba(var(--primary-rgb),.25);
}
.contact-info-accent {
  width: 5px;
  flex-shrink: 0;
  background: linear-gradient(to bottom, var(--gold-light), var(--gold-dark));
}
.contact-info-inner {
  padding: 2.5rem 2rem;
  flex: 1;
}
.contact-info-card h3 {
  color: var(--gold);
  font-size: 1.4rem;
  margin-bottom: .35rem;
}
.contact-info-sub {
  color: rgba(255,255,255,.5);
  font-size: .85rem;
  margin-bottom: 0;
}
.contact-info-divider {
  width: 44px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
  margin: 1.5rem 0 2rem;
}
.contact-info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  transition: transform .3s ease;
}
.contact-info-item:last-child { margin-bottom: 0; }
.contact-info-item:hover { transform: translateX(6px); }
.contact-info-item .ci-icon {
  width: 44px;
  height: 44px;
  background: rgba(var(--gold-rgb),.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 1rem;
  flex-shrink: 0;
  transition: transform .3s ease, background .3s ease;
}
.contact-info-item:hover .ci-icon {
  transform: scale(1.15);
  background: rgba(var(--gold-rgb),.25);
}
.contact-info-item .ci-text .ci-label {
  font-size: .72rem;
  color: rgba(255,255,255,.45);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: .2rem;
}
.contact-info-item .ci-text .ci-value {
  font-size: .92rem;
  color: rgba(255,255,255,.9);
  word-break: break-word;
}
.contact-info-item .ci-text .ci-value a { color: inherit; }
.contact-info-socials {
  margin-top: 2.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255,255,255,.08);
}
.contact-info-socials-label {
  font-size: .72rem;
  color: rgba(255,255,255,.35);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

/* ── Contact Form Side (Right) ───────────────────────────────────── */
.contact-form-side {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.contact-form-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

/* ── Product Preview Card ────────────────────────────────────────── */
.product-preview-card {
  display: flex;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: box-shadow .3s ease;
}
.product-preview-card:hover {
  box-shadow: var(--shadow-lg);
}
.product-preview-img-wrap {
  width: 200px;
  min-height: 160px;
  flex-shrink: 0;
  background: var(--cream);
  overflow: hidden;
}
.product-preview-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.product-preview-card:hover .product-preview-img-wrap img {
  transform: scale(1.06);
}
.product-preview-body {
  flex: 1;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .5rem;
}
.product-preview-tag {
  font-size: .72rem;
  color: var(--gold);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
.product-preview-body h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.4;
  margin: 0;
}
.product-preview-hint {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: .25rem;
  padding: .45rem 1rem;
  background: var(--cream);
  border-radius: var(--radius-sm);
  font-size: .8rem;
  color: var(--text-muted);
  align-self: flex-start;
  transition: background .3s ease;
}
.product-preview-hint i {
  font-size: .75rem;
  transition: transform .3s ease;
}
.product-preview-card:hover .product-preview-hint i {
  transform: translateX(4px);
}

@media (max-width: 600px) {
  .product-preview-card { flex-direction: column; }
  .product-preview-img-wrap { width: 100%; height: 200px; }
}

/* ── Form Styles ─────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: .4rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: .75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition), background .3s ease;
  background: var(--cream);
  color: var(--text);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--gold);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(var(--gold-rgb),.1);
  animation: border-glow 2s ease-in-out 1;
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* ── Maps Section ────────────────────────────────────────────────── */
.contact-maps-section {
  margin-top: 4rem;
}
.contact-maps-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 2.5rem;
}
.contact-maps-divider {
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
  margin-bottom: 1rem;
}
.contact-maps-header h2 {
  color: var(--primary);
  font-size: 1.5rem;
  margin: 0;
}
.contact-maps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 768px) {
  .contact-maps-grid { grid-template-columns: 1fr; }
}
.contact-map-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: box-shadow .3s ease, transform .3s ease;
}
.contact-map-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.company-map {
  height: 280px;
  border-radius: var(--radius-sm);
  margin-bottom: .85rem;
  z-index: 0;
  border: 1px solid var(--border);
  background: #e8e4df;
  overflow: hidden;
}
.company-map .leaflet-container { background: #e8e4df; }
.loc-map-info {
  display: flex;
  gap: .75rem;
  padding: .85rem 1rem;
  background: var(--cream);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .2s ease;
}
.loc-map-info:hover { background: var(--border); }
.map-loc-star { font-size: 1.1rem; line-height: 1.4; flex-shrink: 0; }
.map-loc-type {
  font-size: .9rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: .2rem;
}
.map-loc-addr {
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.5;
}
/* Custom map markers */
.map-marker-icon { background: none !important; border: none !important; }
.map-marker-pin { filter: drop-shadow(0 2px 4px rgba(0,0,0,.35)); transition: transform .2s; }
.map-marker-pin:hover { transform: scale(1.15); }
.map-marker-label {
  font-size: .72rem; font-weight: 700; color: var(--primary);
  background: var(--white); padding: 2px 8px; border-radius: 10px;
  box-shadow: 0 1px 4px rgba(0,0,0,.18); white-space: nowrap;
  margin-top: -4px; text-align: center;
}
/* Leaflet popup theme */
.leaflet-popup-content-wrapper { border-radius: 8px; box-shadow: 0 4px 16px rgba(0,0,0,.15); }
.leaflet-popup-content { font-family: inherit; font-size: .88rem; margin: 10px 14px; }
.leaflet-popup-content b { color: var(--primary); }
/* Leaflet zoom controls */
.leaflet-control-zoom a { border-radius: 6px !important; }

/* ── About Page ────────────────────────────────────────────────── */
.timeline { position: relative; max-width: 860px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 50%; margin-left: -1px; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, transparent 0%, var(--gold) 10%, var(--gold) 90%, transparent 100%); }
.timeline-item { position: relative; width: 50%; padding: 0 2.75rem 2.75rem 0; box-sizing: border-box; }
.timeline-item:nth-child(even) { margin-left: 50%; padding: 0 0 2.75rem 2.75rem; }
.timeline-item::before {
  content: ''; position: absolute; top: 1.35rem;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--gold); border: 3px solid var(--white);
  box-shadow: 0 0 0 4px rgba(var(--gold-rgb),.22); z-index: 2;
}
.timeline-item:nth-child(odd)::before { right: -7.5px; }
.timeline-item:nth-child(even)::before { left: -7.5px; }
.timeline-content {
  position: relative; background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 1.15rem 1.4rem; box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.timeline-content:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--gold); }
.timeline-item:nth-child(odd) .timeline-content { text-align: right; }
.timeline-year {
  display: inline-block; color: var(--white);
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  font-weight: 700; font-size: .92rem; padding: .18rem .85rem; border-radius: 999px;
  margin-bottom: .6rem; letter-spacing: .5px;
}
.timeline-desc { color: var(--text); line-height: 1.7; margin: 0; }
@media (max-width: 768px) {
  .timeline { max-width: 100%; }
  .timeline::before { left: 7px; margin-left: 0; }
  .timeline-item, .timeline-item:nth-child(even) { width: 100%; margin-left: 0; padding: 0 0 2rem 2.25rem; }
  .timeline-item:nth-child(odd) .timeline-content { text-align: left; }
  .timeline-item::before, .timeline-item:nth-child(odd)::before, .timeline-item:nth-child(even)::before { left: 0; right: auto; }
}

.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1.5rem; }
.cert-card { border-radius: var(--radius-sm); overflow: hidden; box-shadow: var(--shadow); transition: all var(--transition); }
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.cert-card img, .cert-card svg { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.cert-card p { padding: .75rem; text-align: center; font-size: .82rem; color: var(--text-muted); }

/* ── Related Products ───────────────────────────────────────────── */
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; max-width: 960px; margin: 0 auto; }

/* ── 404 Page ───────────────────────────────────────────────────── */
.page-404 { text-align: center; padding: 8rem 1.5rem; }
.page-404 .num { font-size: 8rem; font-weight: 900; color: var(--gold); line-height: 1; }
.page-404 h2 { color: var(--primary); margin: 1rem 0; }
.page-404 p { color: var(--text-muted); margin-bottom: 2rem; }

/* ── Loading spinner ────────────────────────────────────────────── */
.spinner { display: flex; justify-content: center; padding: 4rem; }
.spinner::after {
  content: ''; width: 40px; height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Fade-in animation ──────────────────────────────────────────── */
.fade-in { opacity: 0; transform: translateY(20px); transition: all .6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── Keyframe Animations ────────────────────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes floatUp {
  0%   { opacity: 0; transform: translateY(40px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes floatDown {
  0%   { opacity: 0; transform: translateY(-40px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes scaleIn {
  0%   { opacity: 0; transform: scale(.85); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes bounceIn {
  0%   { opacity: 0; transform: scale(.3); }
  50%  { transform: scale(1.05); }
  70%  { transform: scale(.95); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes pulse-gold {
  0%, 100% { box-shadow: 0 0 0 0 rgba(var(--gold-rgb),.4); }
  50%      { box-shadow: 0 0 0 12px rgba(var(--gold-rgb),0); }
}
@keyframes border-glow {
  0%, 100% { border-color: var(--gold); box-shadow: 0 0 8px rgba(var(--gold-rgb),.3); }
  50%      { border-color: var(--gold-light); box-shadow: 0 0 18px rgba(var(--gold-rgb),.5); }
}
@keyframes slideInLeft {
  0%   { opacity: 0; transform: translateX(-40px); }
  100% { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  0%   { opacity: 0; transform: translateX(40px); }
  100% { opacity: 1; transform: translateX(0); }
}
@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25%      { transform: rotate(-3deg); }
  75%      { transform: rotate(3deg); }
}
@keyframes bg-drift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── Hero entrance animations ───────────────────────────────────── */
.hero .slide-content .tag {
  animation: floatDown .8s .2s both;
}
.hero .slide-content h1 {
  animation: floatUp .8s .4s both;
}
.hero .slide-content .btn {
  animation: floatUp .8s .6s both;
}

/* ── Gold shimmer effect ────────────────────────────────────────── */
.gold-line {
  position: relative;
  overflow: hidden;
}
.gold-line::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg,
    transparent 0%, rgba(255,255,255,.6) 50%, transparent 100%);
  background-size: 200% 100%;
  animation: shimmer 2.5s ease-in-out infinite;
}
.section-title.visible .gold-line::after {
  animation-play-state: running;
}

/* ── Stats strip counter animation ──────────────────────────────── */
.stat-item {
  animation: none;
  opacity: 1;
  transform: none;
}
.stat-num {
  animation: bounceIn .6s both;
}
.stats-grid .stat-item:nth-child(1) .stat-num { animation-delay: .1s; }
.stats-grid .stat-item:nth-child(2) .stat-num { animation-delay: .25s; }
.stats-grid .stat-item:nth-child(3) .stat-num { animation-delay: .4s; }
.stats-grid .stat-item:nth-child(4) .stat-num { animation-delay: .55s; }

/* ── Section title entrance ─────────────────────────────────────── */
.section-title h2 {
  animation: floatUp .6s both;
}
.section-title .gold-line {
  animation: scaleIn .5s .2s both;
}
.section-title p {
  animation: floatUp .6s .3s both;
}


/* ── Product card enhanced hover ────────────────────────────────── */
.product-card {
  transition: transform .35s cubic-bezier(.4,0,.2,1),
              box-shadow .35s ease,
              border-color .35s ease;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0,0,0,.15);
}
.product-card .view-btn {
  transition: gap .3s ease, color .3s ease, letter-spacing .3s ease;
}
.product-card:hover .view-btn {
  gap: .6rem;
  letter-spacing: .5px;
}
.product-card-badge {
  animation: pulse-gold 2.5s ease-in-out infinite;
}

/* ── Advantage card tilt ────────────────────────────────────────── */
.adv-card {
  transition: transform .4s cubic-bezier(.4,0,.2,1),
              box-shadow .4s ease,
              border-color .4s ease;
}
.adv-card:hover { transform: translateY(-8px) scale(1.02); }
.adv-card .adv-icon {
  transition: transform .5s cubic-bezier(.4,0,.2,1),
              box-shadow .5s ease;
}
.adv-card:hover .adv-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 32px rgba(var(--gold-rgb),.3);
}

/* ── Button ripple / hover enhancement ──────────────────────────── */
.btn {
  position: relative;
  overflow: hidden;
  transition: transform .25s cubic-bezier(.4,0,.2,1),
              box-shadow .25s ease,
              background .25s ease,
              color .25s ease;
}
.btn::after {
  content: '';
  position: absolute; top: 50%; left: 50%;
  width: 0; height: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.3);
  transform: translate(-50%, -50%);
  transition: width .6s ease, height .6s ease;
  pointer-events: none;
}
.btn:active::after {
  width: 300px; height: 300px;
}
.btn-primary {
  background-size: 200% auto;
  animation: bg-drift 4s ease infinite;
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 10px 30px rgba(var(--gold-rgb),.5);
}
.btn-dark:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 10px 30px rgba(var(--primary-rgb),.4);
}
.btn-outline:hover {
  transform: translateY(-3px) scale(1.03);
}

/* ── About intro image parallax hint ────────────────────────────── */
.about-intro-img {
  transition: transform .6s cubic-bezier(.4,0,.2,1);
}
.about-intro-img:hover {
  transform: scale(1.03);
}
.about-intro-img img {
  transition: transform .8s ease;
}
.about-intro-img:hover img {
  transform: scale(1.06);
}

/* ── Timeline dot pulse ─────────────────────────────────────────── */
.timeline-item::before {
  animation: pulse-gold 3s ease-in-out infinite;
}

/* ── Footer social button spin ──────────────────────────────────── */
.social-btn {
  transition: transform .3s cubic-bezier(.4,0,.2,1),
              background .3s ease,
              color .3s ease;
}
.social-btn:hover {
  transform: translateY(-4px) rotate(8deg);
}

/* ── Footer logo breathe ────────────────────────────────────────── */
.footer-brand .logo-text {
  display: inline-block;
  animation: scaleIn .8s both;
}

/* ── Page header gradient drift ─────────────────────────────────── */
.page-header {
  background-size: 200% 200%;
  animation: bg-drift 8s ease infinite;
}

/* ── Breadcrumb link underlines ─────────────────────────────────── */
.breadcrumb a {
  position: relative;
  transition: color .3s ease;
}
.breadcrumb a::after {
  content: '';
  position: absolute; bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width .3s ease;
}
.breadcrumb a:hover::after { width: 100%; }

/* ── Form input focus glow ──────────────────────────────────────── */
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  animation: border-glow 2s ease-in-out 1;
}

/* ── Contact info item hover ────────────────────────────────────── */
.contact-info-item {
  transition: transform .3s ease;
}
.contact-info-item:hover {
  transform: translateX(6px);
}
.contact-info-item .ci-icon {
  transition: transform .3s ease, background .3s ease;
}
.contact-info-item:hover .ci-icon {
  transform: scale(1.15);
  background: rgba(var(--gold-rgb),.25);
}

/* ── Product gallery main image zoom ────────────────────────────── */
.gallery-main {
  cursor: zoom-in;
  transition: transform .4s ease;
}
.gallery-main:hover {
  transform: scale(1.02);
}

/* ── Filter button active pulse ─────────────────────────────────── */
.filter-btn.active {
  animation: pulse-gold 2.5s ease-in-out infinite;
}

/* ── 404 page entrance ──────────────────────────────────────────── */
.page-404 .num {
  animation: bounceIn .8s both;
}
.page-404 h2 {
  animation: floatUp .6s .3s both;
}
.page-404 p {
  animation: floatUp .6s .5s both;
}
.page-404 .btn {
  animation: floatUp .6s .7s both;
}

/* ── Cert card tilt ─────────────────────────────────────────────── */
.cert-card {
  transition: transform .35s cubic-bezier(.4,0,.2,1),
              box-shadow .35s ease;
}
.cert-card:hover {
  transform: translateY(-6px) rotate(1deg);
  box-shadow: 0 16px 40px rgba(0,0,0,.15);
}

/* ── Scroll-down hint (hero) ────────────────────────────────────── */
.scroll-hint {
  position: absolute; bottom: 1.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  z-index: 5;
  color: rgba(255,255,255,.6);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  animation: floatUp .8s 1s both;
}
.scroll-hint .mouse {
  width: 22px; height: 34px;
  border: 2px solid rgba(255,255,255,.5);
  border-radius: 11px;
  position: relative;
}
.scroll-hint .mouse::after {
  content: '';
  position: absolute; top: 6px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 8px;
  background: var(--gold);
  border-radius: 2px;
  animation: scroll-wheel 1.5s ease-in-out infinite;
}
@keyframes scroll-wheel {
  0%   { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}

/* ── 通用入场动效 ────────────────────────────────────────────────── */
/* fade-in 方向变体（基础 .fade-in 已在动画区定义） */
.fade-in-left  { opacity: 0; transform: translateX(-30px); transition: opacity .6s ease, transform .6s ease; }
.fade-in-left.visible  { opacity: 1; transform: translateX(0); }
.fade-in-right { opacity: 0; transform: translateX(30px); transition: opacity .6s ease, transform .6s ease; }
.fade-in-right.visible { opacity: 1; transform: translateX(0); }
.fade-in-up    { opacity: 0; transform: translateY(40px); transition: opacity .6s ease, transform .6s ease; }
.fade-in-up.visible   { opacity: 1; transform: translateY(0); }

/* 缩放入场 */
.fade-in-scale { opacity: 0; transform: scale(.9); transition: opacity .5s ease, transform .5s ease; }
.fade-in-scale.visible { opacity: 1; transform: scale(1); }

/* 自动入场（不需要 JS observer，页面加载即触发） */
.reveal-on-load {
  animation: revealUp .6s cubic-bezier(.4,0,.2,1) both;
}

/* 级联容器：子元素依次入场 */
.stagger-children > * {
  opacity: 0;
  animation: revealUp .5s cubic-bezier(.4,0,.2,1) forwards;
}
.stagger-children > *:nth-child(1) { animation-delay: .05s; }
.stagger-children > *:nth-child(2) { animation-delay: .12s; }
.stagger-children > *:nth-child(3) { animation-delay: .19s; }
.stagger-children > *:nth-child(4) { animation-delay: .26s; }
.stagger-children > *:nth-child(5) { animation-delay: .33s; }
.stagger-children > *:nth-child(6) { animation-delay: .40s; }
.stagger-children > *:nth-child(7) { animation-delay: .47s; }
.stagger-children > *:nth-child(8) { animation-delay: .54s; }
.stagger-children > *:nth-child(9) { animation-delay: .61s; }
.stagger-children > *:nth-child(10) { animation-delay: .68s; }

@keyframes revealUp {
  from { opacity: 0; transform: translateY(25px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── slideInLeft / slideInRight 实际使用 ────────────────────────── */
.slide-in-left {
  animation: slideInLeft .6s cubic-bezier(.4,0,.2,1) both;
}
.slide-in-right {
  animation: slideInRight .6s cubic-bezier(.4,0,.2,1) both;
}

/* ── 面包屑入场 ──────────────────────────────────────────────────── */
.breadcrumb {
  animation: slideInLeft .5s .15s cubic-bezier(.4,0,.2,1) both;
}

/* ── 页面标题入场增强 ────────────────────────────────────────────── */
.page-header h1 {
  animation: revealUp .55s cubic-bezier(.4,0,.2,1) both;
}
.page-header p {
  animation: revealUp .55s .1s cubic-bezier(.4,0,.2,1) both;
}
.page-header .breadcrumb {
  animation: slideInLeft .4s cubic-bezier(.4,0,.2,1) both;
}

/* ── 筛选栏按钮入场 ──────────────────────────────────────────────── */
.filter-bar.stagger-children > .filter-btn {
  opacity: 0;
  animation: revealUp .4s cubic-bezier(.4,0,.2,1) forwards;
}

/* ── 产品卡片悬停增强 ────────────────────────────────────────────── */
.product-card {
  transition: transform .35s cubic-bezier(.4,0,.2,1),
              box-shadow .35s ease,
              border-color .35s ease;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,0,0,.15);
}
.product-card:active {
  transform: scale(.97);
}

/* ── 图库交叉淡入淡出 ────────────────────────────────────────────── */
.gallery-main img {
  transition: opacity .35s ease, transform .4s ease;
}
.gallery-main img.crossfade-out {
  opacity: 0; transform: scale(1.03);
}
.gallery-thumb {
  transition: transform .25s ease, border-color var(--transition), box-shadow .25s ease;
}
.gallery-thumb:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,.15);
}
.gallery-thumb:active {
  transform: scale(.93);
}

/* ── 产品详情区入场 ──────────────────────────────────────────────── */
.product-info-section .cat-tag    { animation: revealUp .45s .1s both; }
.product-info-section h1          { animation: revealUp .5s .15s both; }
.product-info-section .product-model { animation: revealUp .45s .2s both; }
.product-divider                { animation: revealUp .45s .25s both; }
.spec-table tr                  { animation: revealUp .4s both; }
.spec-table tr:nth-child(1)     { animation-delay: .28s; }
.spec-table tr:nth-child(2)     { animation-delay: .33s; }
.spec-table tr:nth-child(3)     { animation-delay: .38s; }
.spec-table tr:nth-child(4)     { animation-delay: .43s; }
.spec-table tr:nth-child(5)     { animation-delay: .48s; }
.spec-table tr:nth-child(6)     { animation-delay: .53s; }
.spec-table tr:nth-child(7)     { animation-delay: .58s; }
.spec-table tr:nth-child(8)     { animation-delay: .63s; }
.spec-table tr:nth-child(9)     { animation-delay: .68s; }
.product-actions                { animation: revealUp .5s .55s both; }
.product-detail-content h2      { animation: revealUp .5s both; }
.product-detail-content #detail-html { animation: revealUp .5s .1s both; }

/* ── 联系信息卡片入场 ────────────────────────────────────────────── */
.contact-info-card h3                           { animation: revealUp .5s .1s both; }
.contact-info-card .contact-info-item:nth-child(2) { animation: revealUp .45s .18s both; }
.contact-info-card .contact-info-item:nth-child(3) { animation: revealUp .45s .24s both; }
.contact-info-card .contact-info-item:nth-child(4) { animation: revealUp .45s .30s both; }
.contact-info-card .contact-info-item:nth-child(5) { animation: revealUp .45s .36s both; }

/* ── 关于页增强 ──────────────────────────────────────────────────── */
.about-intro-img.fade-in.visible img {
  animation: revealUp .6s both;
}
.about-intro-text .tag-line { animation: slideInLeft .5s .05s both; }
.about-intro-text h2        { animation: slideInLeft .5s .12s both; }
.about-intro-text #about-html { animation: revealUp .5s .2s both; }

/* ── 加载旋转器柔和脉冲 ──────────────────────────────────────────── */
.spinner {
  animation: spin .8s linear infinite, spinnerPulse 1.8s ease-in-out infinite;
}
@keyframes spinnerPulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: .5; }
}

/* ── 产品网格响应式 ──────────────────────────────────────────────────── */
@media (max-width: 820px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
  .related-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
}
@media (max-width: 520px) {
  .products-grid { grid-template-columns: 1fr; gap: 1.25rem; max-width: 380px; }
  .related-grid { grid-template-columns: 1fr; }
  .product-card-img { aspect-ratio: 5/3; }
}

/* ── Reduced motion ─────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .fade-in { opacity: 1; transform: none; }
}

/* ── Misc ───────────────────────────────────────────────────────── */
.text-gold { color: var(--gold); }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; }
.mb-0 { margin-bottom: 0; }
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: 3.5rem 0;
  margin-top: var(--nav-height);
}
.page-header h1 { color: var(--white); margin-bottom: .5rem; }
.page-header p { color: rgba(255,255,255,.7); font-size: 1rem; }
.toast {
  position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%) translateY(100px);
  background: var(--primary); color: var(--white);
  padding: .85rem 2rem; border-radius: 50px;
  box-shadow: var(--shadow-lg); z-index: 9999;
  transition: transform .4s cubic-bezier(.4,0,.2,1);
  font-size: .9rem;
}
.toast.success { border-left: 4px solid #4ade80; }
.toast.error { border-left: 4px solid #f87171; }
.toast.show { transform: translateX(-50%) translateY(0); }

/* ── All-Pages Responsive ──────────────────────────────── */

/* Large tablet ≤1024px */
@media (max-width: 1024px) {
  .contact-grid { gap: 1.5rem; }
  .product-detail-layout { gap: 2.5rem; }
  .about-intro { gap: 2.5rem; }
  .advantages-grid { gap: 1.5rem; }
  .categories-grid { gap: 1.25rem; }
}

/* Tablet ≤820px */
@media (max-width: 820px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
  .related-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 1rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .stat-num { font-size: 2rem; }
  .page-header { padding: 2.5rem 0; }
  .page-header h1 { font-size: clamp(1.4rem, 4vw, 2rem); }
  .product-card-img { aspect-ratio: 4/3; }
  .company-map { height: 220px; }
}

/* Phone ≤640px */
@media (max-width: 640px) {
  /* ── Layout ── */
  .section { padding: 2.5rem 0; }
  .section-title { margin-bottom: 2rem; }
  .container { padding: 0 1rem; }

  /* ── Page Header ── */
  .page-header { padding: 2rem 0; }
  .page-header h1 { font-size: 1.35rem; }
  .page-header p { font-size: .88rem; }

  /* ── Breadcrumb ── */
  .breadcrumb { font-size: .78rem; flex-wrap: wrap; }

  /* ── Hero ── */
  .slide { aspect-ratio: 3/2; }
  .slide-content .tag { font-size: .65rem; padding: .2rem .65rem; }
  .slide-content h1 { font-size: clamp(1.2rem, 5vw, 1.8rem); }
  .slide-content p { font-size: .85rem; }
  .slide-content { padding: 0 1rem; }
  .slider-arrow { width: 36px; height: 36px; font-size: 1rem; }
  .slider-prev { left: .5rem; }
  .slider-next { right: .5rem; }

  /* ── Stats ── */
  .stats-strip { padding: 2.5rem 0; }
  .stat-num { font-size: 1.6rem; }
  .stat-label { font-size: .75rem; }

  /* ── Products Grid ── */
  .products-grid { grid-template-columns: 1fr; gap: 1rem; max-width: 400px; margin-left: auto; margin-right: auto; }
  .product-card-img { aspect-ratio: 5/3; }
  .product-card-body { padding: .9rem; gap: .2rem; }
  .product-card-body h3 { font-size: .95rem; }
  .product-card-footer { padding: .65rem .9rem; }
  .product-card-footer .moq { font-size: .7rem; }
  .filter-bar { padding: .85rem; gap: .5rem; }
  .filter-btn { font-size: .8rem; padding: .4rem .9rem; }

  /* ── About ── */
  .about-intro { grid-template-columns: 1fr; gap: 1.5rem; }
  .about-intro-img { aspect-ratio: 16/9; }
  .about-intro-text .tag-line { font-size: .75rem; }
  .about-intro-text h2 { font-size: 1.3rem; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); gap: .75rem; }
  .cert-card p { font-size: .72rem; padding: .5rem; }

  /* ── Timeline ── */
  .timeline-item, .timeline-item:nth-child(even) { padding: 0 0 1.5rem 2rem; }
  .timeline-content { padding: .9rem 1rem; }
  .timeline-year { font-size: .8rem; }
  .timeline-desc { font-size: .85rem; }

  /* ── Product Detail ── */
  .product-detail-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .product-gallery { position: static; }
  .gallery-thumb { width: 56px; height: 56px; }
  .product-info-section h1 { font-size: 1.4rem; }
  .spec-table td { padding: .5rem .4rem; font-size: .82rem; }
  .product-actions { flex-direction: column; }
  .product-actions .btn { width: 100%; justify-content: center; }
  .product-detail-content { margin-top: 2rem; }
  .product-detail-content h2 { font-size: 1.2rem; }
  .related-grid { grid-template-columns: 1fr; max-width: 380px; margin-left: auto; margin-right: auto; }

  /* ── Contact ── */
  .contact-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .contact-info-inner { padding: 1.5rem 1.25rem; }
  .contact-info-card h3 { font-size: 1.2rem; }
  .contact-info-item { gap: .75rem; margin-bottom: 1rem; }
  .contact-info-item .ci-icon { width: 36px; height: 36px; font-size: .85rem; }
  .contact-info-item .ci-text .ci-value { font-size: .85rem; }
  .contact-form-card { padding: 1.5rem; }
  .company-map { height: 200px; }
  .contact-maps-grid { grid-template-columns: 1fr; }
  .contact-maps-header h2 { font-size: 1.2rem; }
  .loc-map-info { padding: .65rem .75rem; }
  .map-loc-type { font-size: .82rem; }

  /* ── Form ── */
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-group { margin-bottom: 1rem; }
  .form-group label { font-size: .78rem; }
  .form-group input, .form-group textarea { padding: .65rem .85rem; font-size: .85rem; }

  /* ── Footer ── */
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand .logo-text { font-size: 1.4rem; }
  .footer-col h4 { font-size: .82rem; }

  /* ── Float Button ── */
  #float-btn { width: 48px; height: 48px; bottom: 1rem; right: 1rem; font-size: 1.2rem; }

  /* ── Advantages ── */
  .advantages-grid { grid-template-columns: 1fr; gap: 1rem; max-width: 400px; margin-left: auto; margin-right: auto; }
  .adv-card { padding: 1.5rem 1.25rem; }
  .adv-icon { width: 56px; height: 56px; font-size: 1.4rem; margin-bottom: 1rem; }
  .adv-card h3 { font-size: 1rem; }
  .adv-card p { font-size: .82rem; }

  /* ── Product Preview Card ── */
  .product-preview-card { flex-direction: column; }
  .product-preview-img-wrap { width: 100%; height: 180px; }
  .product-preview-body { padding: 1rem; }
  .product-preview-body h4 { font-size: .95rem; }

  /* ── Category responsive already in section above ── */
}

/* Small phone ≤400px */
@media (max-width: 400px) {
  .section { padding: 2rem 0; }
  .container { padding: 0 .75rem; }
  .products-grid { max-width: 100%; }
  .product-card-img { aspect-ratio: 4/3; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .stat-num { font-size: 1.3rem; }
  .contact-info-inner { padding: 1.25rem 1rem; }
  .contact-form-card { padding: 1.25rem; }
  .cert-grid { grid-template-columns: 1fr 1fr; gap: .5rem; }
  .gallery-thumb { width: 48px; height: 48px; }
}