/* ============================================================
   XUYADI — B2B Air-Conditioned Sleeping Bag Site
   Design System / Global Stylesheet
   Palette: Midnight ink · Warm cream · Champagne gold
   Direction: single dark hero on home, light body, gold accents
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Brand colors — Midnight champagne: warm dark ink + champagne gold */
  --navy:        #14181F;   /* deep ink — hero / footer anchor */
  --navy-700:    #1F242D;
  --navy-800:    #191D24;
  --navy-900:    #0E1116;
  --charcoal:    #1A1714;   /* primary text (warm ink) */
  --charcoal-60: #6B6863;   /* secondary text */
  --charcoal-40: #9A958D;
  --white:       #FFFFFF;
  --offwhite:    #FAF8F5;   /* warm cream background */
  --mist:        #F5F0E8;
  --sand:        #EDE6D8;   /* warm beige */
  --sand-100:    #F7F3EB;
  --sand-200:    #EDE6D8;
  --accent:      #C9A86A;   /* champagne gold accent */
  --accent-deep: #B08D57;
  --accent-soft: #D9C9A5;
  --accent-bg:   #F3EFE6;   /* very light gold tint */
  --gold:        #C9A86A;   /* accent alias (eyebrows / ticks / hairlines) */
  --gold-soft:   #D9C9A5;
  --gold-deep:   #B08D57;
  --line:        #E7E1D6;   /* warm hairline borders */
  --line-dark:   #2A241C;

  /* Typography */
  --font-head: "Montserrat", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-num:  "Barlow Condensed", "Montserrat", sans-serif;

  /* Spacing scale (8px grid) */
  --sp-1: 8px;  --sp-2: 16px; --sp-3: 24px; --sp-4: 32px;
  --sp-5: 48px; --sp-6: 64px; --sp-7: 96px; --sp-8: 128px;

  /* Layout */
  --maxw: 1200px;
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;

  /* Effects (warm-tinted shadows) */
  --shadow-sm: 0 1px 3px rgba(20,24,31,.06), 0 1px 2px rgba(20,24,31,.04);
  --shadow:    0 10px 30px rgba(20,24,31,.10);
  --shadow-lg: 0 24px 60px rgba(20,24,31,.16);
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset & Base ---------- */
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4,h5 { font-family: var(--font-head); color: var(--navy); margin: 0; line-height: 1.15; font-weight: 700; letter-spacing: -.01em; }

/* ---------- Layout Helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--sp-3); }
.section { padding: var(--sp-7) 0; }
.section--tight { padding: var(--sp-6) 0; }
.section--navy { background: var(--sand-100); color: var(--charcoal); }
.section--navy h1,.section--navy h2,.section--navy h3 { color: var(--charcoal); }
.section--sand { background: var(--sand-100); }
.section--offwhite { background: var(--offwhite); }
.section--dark { background: var(--navy); color: #fff; border-top: 1px solid rgba(201,168,106,.10); border-bottom: 1px solid rgba(201,168,106,.10); }
.section--dark .eyebrow { color: var(--gold); }
.section--dark .eyebrow::before { background: var(--gold); }
.section--dark .section-title { color: #fff; }
.section--dark .lead { color: rgba(255,255,255,.68); }

.grid { display: grid; gap: var(--sp-3); }
.grid-2 { grid-template-columns: repeat(2,1fr); }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }
.center { text-align: center; }
.lead { font-size: 1.125rem; color: var(--charcoal-60); max-width: 64ch; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ---------- Section Heading ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-num);
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .8rem;
  font-weight: 600;
  color: var(--gold-deep);
  margin-bottom: var(--sp-1);
}
.eyebrow::before { content: ""; display: inline-block; width: 26px; height: 1px; background: var(--gold); vertical-align: middle; margin-right: 10px; }
.section-title { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.section-head { max-width: 760px; margin-bottom: var(--sp-5); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .lead { margin-top: var(--sp-2); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-head); font-weight: 600; font-size: .95rem;
  padding: 14px 28px; border-radius: var(--radius-sm);
  border: 1px solid transparent; transition: all .25s var(--ease);
  letter-spacing: .01em; white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn--primary { background: var(--navy); color: #fff; }
.btn--primary:hover { background: var(--navy-700); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn--gold { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn--gold:hover { background: var(--accent-deep); border-color: var(--accent-deep); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn--ghost { background: transparent; color: var(--navy); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--navy); background: var(--offwhite); }
.btn--light { background: #fff; color: var(--navy); }
.btn--light:hover { background: var(--sand-100); }
.btn--outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn--outline-light:hover { background: rgba(255,255,255,.08); border-color: #fff; }
.btn--outline-dark { background: transparent; color: var(--charcoal); border-color: var(--line); }
.btn--outline-dark:hover { background: var(--offwhite); border-color: var(--charcoal); }
.btn--block { width: 100%; }
.btn--sm { padding: 10px 20px; font-size: .85rem; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: 100px; }
.brand { display: flex; align-items: center; justify-content: center; }
.brand__logo { height: 84px; width: auto; display: block; filter: grayscale(100%); }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  font-size: .92rem; font-weight: 500; color: var(--charcoal);
  padding: 10px 14px; border-radius: var(--radius-sm); transition: color .2s, background .2s;
}
.nav a:hover { color: var(--navy); background: var(--offwhite); }
.nav a.active { color: var(--navy); font-weight: 600; }
.nav a.active::after { content: ""; display: block; height: 2px; background: var(--gold); margin-top: 4px; border-radius: 2px; }
.header-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 8px 10px; }

/* ---------- Hero Banner (top full-width carousel) ---------- */
.hero-banner { position: relative; overflow: hidden; background: var(--navy); }
.hero-carousel { position: relative; width: 100%; overflow: hidden; background: var(--sand-100); }
.hero-carousel--banner { aspect-ratio: 2.4 / 1; border-radius: 0; box-shadow: none; }
.hero-carousel__track { display: flex; height: 100%; transition: transform .5s var(--ease); }
.hero-carousel__slide { min-width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: var(--sand-100); }
.hero-carousel__slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-carousel__arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%; background: rgba(20,24,31,.55); color: #fff; border: 1px solid rgba(255,255,255,.25); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all .25s var(--ease); z-index: 3; }
.hero-carousel__arrow:hover { background: rgba(20,24,31,.85); border-color: rgba(255,255,255,.55); }
.hero-carousel__arrow svg { width: 20px; height: 20px; }
.hero-carousel__arrow--prev { left: 18px; }
.hero-carousel__arrow--next { right: 18px; }
.hero-carousel__dots { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 3; }
.hero-carousel__dots button { width: 11px; height: 11px; border-radius: 50%; border: 1px solid rgba(255,255,255,.45); background: rgba(255,255,255,.35); cursor: pointer; transition: all .25s var(--ease); padding: 0; }
.hero-carousel__dots button.is-active { background: var(--gold); border-color: var(--gold); transform: scale(1.15); }

@media (max-width: 820px) {
  .hero-carousel--banner { aspect-ratio: 4 / 3; }
}

/* ---------- Hero (split content below banner) ---------- */
.hero {
  position: relative;
  color: var(--charcoal);
  overflow: hidden;
  background: var(--offwhite);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.hero__bg { display: none; }
.hero__overlay { display: none; }
.hero::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -30%;
  width: 55%;
  height: 140%;
  background: radial-gradient(circle, rgba(201,168,106,.10), transparent 65%);
  pointer-events: none;
  z-index: 0;
}
.hero__inner {
  position: relative;
  z-index: 2;
  padding: clamp(36px, 5vw, 64px) 0;
  display: grid;
  grid-template-columns: 1.15fr 1.05fr;
  gap: clamp(36px, 5vw, 64px);
  align-items: center;
}
.hero__content { max-width: 560px; }
.hero h1 {
  color: var(--charcoal);
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  line-height: 1.12;
  font-weight: 700;
}
.hero .eyebrow { color: var(--gold-deep); }
.hero .eyebrow::before { background: var(--gold); }
.hero__sub {
  font-size: 1.05rem;
  color: var(--charcoal-60);
  margin: var(--sp-2) 0 var(--sp-3);
  max-width: 54ch;
}
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__meta {
  display: flex;
  gap: var(--sp-3);
  flex-direction: column;
  margin-top: 0;
}
.hero__visual .hero__meta {
  align-self: center;
  width: 130px;
}
.hero__meta .stat .num {
  font-family: var(--font-num);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--charcoal);
  line-height: 1;
}
.hero__meta .stat .lbl {
  font-size: .78rem;
  color: var(--charcoal-60);
  letter-spacing: .04em;
  margin-top: 4px;
}
.hero__visual {
  position: relative;
  display: grid;
  grid-template-columns: auto auto;
  gap: 18px;
  align-items: center;
  justify-content: end;
  max-width: none;
  margin-left: 0;
}
.hero-exploded {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: 0 24px 52px rgba(0,0,0,.14);
  max-width: 520px;
  justify-self: end;
  padding: 28px;
}
.hero-exploded::before {
  content: "";
  position: absolute;
  inset: -16px;
  border: 1px solid var(--gold-soft);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: .45;
  pointer-events: none;
}
.hero-exploded img {
  width: 100%;
  height: auto;
  max-height: 364px;
  object-fit: contain;
  display: block;
}

@media (max-width: 820px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: clamp(28px, 5vw, 48px) 0;
    gap: var(--sp-4);
  }
  .hero__content { max-width: 100%; margin: 0 auto; }
  .hero__sub { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__visual {
    grid-template-columns: 1fr;
    margin: 0 auto;
    gap: var(--sp-3);
  }
  .hero__visual .hero__meta {
    flex-direction: row;
    justify-content: center;
    width: 100%;
    justify-self: center;
    margin: 0 0 var(--sp-2) 0;
  }
  .hero-exploded { justify-self: center; max-width: 400px; }
}

/* ---------- Value Props (Home) ---------- */
.value-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.value-cell { background: #fff; padding: var(--sp-4) var(--sp-3); }
.value-cell .ic { width: 44px; height: 44px; color: var(--gold-deep); margin-bottom: var(--sp-2); }
.value-cell h3 { font-size: 1.1rem; margin-bottom: 6px; }
.value-cell p { font-size: .92rem; color: var(--charcoal-60); margin: 0; }
.value-cell.center { text-align: center; }
.value-cell.center .ic { margin: 0 auto var(--sp-2); }

/* ---------- Product Card ---------- */
.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-card__media { position: relative; aspect-ratio: 4/3; background: var(--sand-100); overflow: hidden; }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.product-card:hover .product-card__media img { transform: scale(1.04); }
.product-card__tag { position: absolute; top: 10px; left: 10px; background: var(--charcoal); color: #fff; font-family: var(--font-num); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; padding: 4px 8px; border-radius: 4px; }
.product-card__body { padding: var(--sp-2); display: flex; flex-direction: column; gap: 2px; flex: 1; }
.product-card__body h3 { font-size: 1.05rem; min-height: 2.4rem; }
.product-card__point { font-size: .88rem; color: var(--charcoal-60); line-height: 1.42; min-height: 2.3rem; }
.product-card__moq { font-family: var(--font-num); font-size: .88rem; letter-spacing: .04em; color: var(--navy); margin-top: auto; padding-top: 2px; }
.product-card__moq b { font-weight: 600; }
.product-card__foot { display: flex; gap: 8px; margin-top: 2px; }
.product-card__foot .btn { flex: 1; }

/* ---------- Use Case / Scenario Cards ---------- */
.scene-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  min-height: 280px; display: flex; align-items: flex-end; color: #fff;
  border: 1px solid var(--line);
}
.scene-card__bg { position: absolute; inset: 0; }
.scene-card__bg img { width: 100%; height: 100%; object-fit: cover; }
.scene-card__veil { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,10,11,0) 30%, rgba(10,10,11,.86) 100%); }
.scene-card__body { position: relative; z-index: 2; padding: var(--sp-3); }
.scene-card__body .ic { width: 36px; height: 36px; color: var(--gold-soft); margin-bottom: 10px; }
.scene-card__body h3 { color: #fff; font-size: 1.25rem; margin-bottom: 6px; }
.scene-card__body p { font-size: .9rem; color: #B8B2A8; margin: 0; }
.scene-card__num { position: absolute; top: 14px; right: 16px; z-index: 2; font-family: var(--font-num); font-size: 2.4rem; font-weight: 600; color: rgba(255,255,255,.18); }

/* ---------- Feature / Split Rows ---------- */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); align-items: center; }
.feature-row.reverse .feature-row__media { order: 2; }
.feature-row__media { border-radius: var(--radius); overflow: hidden; background: var(--sand-100); aspect-ratio: 5/4; }
.feature-row__media img { width: 100%; height: 100%; object-fit: cover; }
.feature-list { margin-top: var(--sp-3); display: grid; gap: 14px; }
.feature-list li { display: flex; gap: 12px; align-items: flex-start; }
.feature-list .tick { flex: 0 0 22px; width: 22px; height: 22px; color: var(--gold-deep); margin-top: 3px; }
.feature-list h4 { font-size: 1.02rem; margin: 0 0 2px; }
.feature-list p { margin: 0; font-size: .92rem; color: var(--charcoal-60); }

/* ---------- Icon Grid (Benefits / OEM) ---------- */
.icon-grid { display: grid; gap: var(--sp-3); grid-template-columns: repeat(3,1fr); }
.icon-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: var(--sp-4); transition: box-shadow .3s var(--ease), transform .3s var(--ease); }
.icon-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.icon-card--navy { background: var(--sand-100); border-color: var(--line); color: var(--charcoal); }
.icon-card--navy h3 { color: var(--charcoal); }
.icon-card--navy p { color: var(--charcoal-60); }
.icon-card .ic { width: 52px; height: 52px; color: #fff; margin-bottom: var(--sp-2); border-radius: 14px; padding: 10px; box-sizing: border-box; filter: drop-shadow(0 6px 12px rgba(0,0,0,.12)); }
.icon-card--navy .ic { color: #fff; }
.icon-card:nth-child(1) .ic { background: linear-gradient(135deg,#f2b85c,#d79738); }
.icon-card:nth-child(2) .ic { background: linear-gradient(135deg,#5b8def,#3a6cd1); }
.icon-card:nth-child(3) .ic { background: linear-gradient(135deg,#ec7a6f,#d2544a); }
.icon-card:nth-child(4) .ic { background: linear-gradient(135deg,#52c39d,#2f9e7c); }
.icon-card:nth-child(5) .ic { background: linear-gradient(135deg,#7d6fe3,#5a4ccf); }
.icon-card:nth-child(6) .ic { background: linear-gradient(135deg,#3bb9cb,#1f97aa); }
.icon-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.icon-card p { margin: 0; font-size: .92rem; color: var(--charcoal-60); }

/* Photo-card variant: real scenery / workshop photo instead of an icon */
.icon-card--photo { padding: 0; overflow: hidden; }
.icon-card--photo .thumb { width: 100%; height: 168px; overflow: hidden; background: var(--sand-100); }
.icon-card--photo .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s var(--ease); }
.icon-card--photo:hover .thumb img { transform: scale(1.06); }
.icon-card--photo .body { padding: var(--sp-4); }
.icon-card--photo h3 { font-size: 1.15rem; margin: 0 0 8px; }
.icon-card--photo p { margin: 0; font-size: .92rem; color: var(--charcoal-60); }

/* ===== Benefit modules: 3D airplane with window-cards ===== */
.plane-stage {
  perspective: 1700px;
  display: flex;
  justify-content: center;
  padding: 88px 8px 74px;
  margin: 10px 0 26px;
  animation: stageBob 7s ease-in-out infinite;
}
@keyframes stageBob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}
.plane {
  position: relative;
  width: min(920px, 100%);
  transform-style: preserve-3d;
  transform: rotateY(-18deg) rotateX(4deg);
  transition: transform .9s cubic-bezier(.22,1,.36,1);
}
.plane:hover { transform: rotateY(-8deg) rotateX(2deg); }
.plane__fuselage {
  position: relative;
  height: 420px;
  border-radius: 210px;
  background: linear-gradient(180deg, #ffffff 0%, #eef2f7 46%, #cdd6e2 100%);
  box-shadow: inset 0 10px 20px rgba(255,255,255,.9), inset 0 -16px 34px rgba(15,30,55,.28), 0 34px 64px rgba(15,18,24,.30);
  transform-style: preserve-3d;
  overflow: visible;
}
.plane__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  filter: drop-shadow(0 18px 34px rgba(15,18,24,.28));
}
.plane__svg-body { stroke: #b0bcc9; stroke-width: 1; }
.plane__svg-wing { filter: drop-shadow(0 8px 14px rgba(15,18,24,.22)); }
.plane__svg-fin { filter: drop-shadow(0 8px 14px rgba(15,18,24,.22)); }
.plane__svg-stab { filter: drop-shadow(0 6px 10px rgba(15,18,24,.2)); }
.plane__livery {
  position: absolute;
  left: 0; right: 0; top: 50%;
  height: 30px;
  transform: translateY(-50%);
  z-index: 2;
  background: linear-gradient(90deg, rgba(197,157,63,0), rgba(197,157,63,.9) 10%, rgba(197,157,63,.9) 90%, rgba(197,157,63,0));
  box-shadow: 0 2px 10px rgba(0,0,0,.12);
}
.plane-window {
  position: absolute;
  top: 44%;
  width: 92px; height: 72px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  transform: translate(-50%, -50%) translateZ(0);
  transform-style: preserve-3d;
  transition: transform .5s cubic-bezier(.22,1,.36,1);
  z-index: 3;
}
.plane-window__glass {
  position: absolute;
  inset: 0;
  border-radius: 18px;
  background-size: cover;
  background-position: center;
  border: 3px solid var(--card-border, #C59D3F);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.45), 0 10px 22px rgba(15,18,24,.32);
  overflow: hidden;
  transition: box-shadow .4s ease, border-color .4s ease, filter .4s ease;
  filter: brightness(0.78) saturate(0.72);
}
.plane-window__glass::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,18,24,.45), rgba(15,18,24,.72));
  transition: background .4s ease;
}
.plane-window__num {
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--card-text, #fff);
  text-shadow: 0 1px 4px rgba(0,0,0,.6);
  transition: opacity .3s ease;
}
.plane-window__panel {
  position: absolute;
  bottom: calc(100% + 16px);
  left: 50%;
  width: 250px;
  transform: translateX(-50%) translateY(10px);
  background: rgba(15,18,24,.94);
  border: 2px solid var(--card-border, #C59D3F);
  border-radius: 14px;
  padding: 14px 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s ease, transform .4s ease;
  box-shadow: 0 20px 44px rgba(15,18,24,.45);
  z-index: 6;
}
.plane-window__panel::after {
  content: "";
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: var(--card-border, #C59D3F);
}
.plane-window__title {
  display: block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--card-text, #fff);
  margin-bottom: 6px;
}
.plane-window__desc {
  display: block;
  font-size: .86rem;
  line-height: 1.45;
  color: rgba(255,255,255,.88);
}
.plane-window:hover,
.plane-window:focus-visible,
.plane-window.is-active {
  transform: translate(-50%, -50%) translateZ(64px) scale(1.06);
  z-index: 12;
  outline: none;
}
.plane-window:hover .plane-window__glass,
.plane-window:focus-visible .plane-window__glass,
.plane-window.is-active .plane-window__glass {
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.7), 0 0 26px 4px var(--card-border, #C59D3F), 0 18px 36px rgba(15,18,24,.4);
  filter: brightness(1.05) saturate(1.05);
}
.plane-window:hover .plane-window__glass::after,
.plane-window:focus-visible .plane-window__glass::after,
.plane-window.is-active .plane-window__glass::after {
  background: linear-gradient(180deg, rgba(15,18,24,.05), rgba(15,18,24,.22));
}
.plane-window.is-active .plane-window__num,
.plane-window:hover .plane-window__num,
.plane-window:focus-visible .plane-window__num { opacity: 0; }
.plane-window:hover .plane-window__panel,
.plane-window:focus-visible .plane-window__panel,
.plane-window.is-active .plane-window__panel {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
@media (max-width: 860px) {
  .plane-stage { padding: 70px 4px 60px; animation: none; }
  .plane { transform: rotateY(-8deg) rotateX(3deg); width: 100%; }
  .plane:hover { transform: rotateY(-8deg) rotateX(3deg); }
  .plane__fuselage { height: 300px; border-radius: 150px; }
  .plane-window { width: 64px; height: 52px; top: 44%; }
  .plane-window__num { font-size: .78rem; }
  .plane-window__panel { width: 196px; }
}

/* About capabilities: subtle border around photo so white images don’t bleed into the card */
.about-capabilities .icon-card--photo .thumb {
  border: 1px solid var(--line);
  border-radius: var(--radius) var(--radius) 0 0;
  box-sizing: border-box;
}

/* ---------- Spec Table (Product Detail) ---------- */
.spec-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.spec-table th, .spec-table td { text-align: left; padding: 16px 20px; border-bottom: 1px solid var(--line); font-size: .94rem; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }
.spec-table th { width: 38%; background: var(--offwhite); font-family: var(--font-head); font-weight: 600; color: var(--navy); }
.spec-table td { color: var(--charcoal); }
.spec-table .num { font-family: var(--font-num); font-size: 1.05rem; letter-spacing: .02em; color: var(--navy); font-weight: 600; }

/* ---------- Filter Bar (Listing) ---------- */
.filterbar { display: flex; flex-wrap: wrap; gap: var(--sp-2); align-items: flex-end; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: var(--sp-3); margin-bottom: var(--sp-5); }
.filter-field { display: flex; flex-direction: column; gap: 6px; min-width: 160px; flex: 1; }
.filter-field label { font-family: var(--font-num); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--charcoal-60); }
.filter-field select, .filter-field input {
  font-family: var(--font-body); font-size: .92rem; color: var(--charcoal);
  padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff;
}
.filter-field select:focus, .filter-field input:focus { outline: none; border-color: var(--navy); }
.filter-reset { margin-left: auto; }

/* ---------- Process Steps (OEM) ---------- */
.process { display: grid; grid-template-columns: repeat(6,1fr); gap: 0; counter-reset: step; position: relative; }
.process::before { content: ""; position: absolute; top: 26px; left: 8%; right: 8%; height: 2px; background: linear-gradient(90deg,var(--gold),var(--gold-soft)); opacity: .5; }
.step { text-align: center; padding: 0 10px; position: relative; }
.step__dot { width: 54px; height: 54px; margin: 0 auto var(--sp-2); border-radius: 50%; background: #fff; border: 2px solid var(--gold); display: flex; align-items: center; justify-content: center; font-family: var(--font-num); font-size: 1.4rem; font-weight: 600; color: var(--navy); position: relative; z-index: 2; }
.step__icon { width: 52px; height: 52px; margin: 0 auto 12px; color: #fff; border-radius: 15px; padding: 11px; box-sizing: border-box; filter: drop-shadow(0 6px 12px rgba(0,0,0,.12)); }
.process .step:nth-child(1) .step__icon { background: linear-gradient(135deg,#f2b85c,#d79738); }
.process .step:nth-child(2) .step__icon { background: linear-gradient(135deg,#5b8def,#3a6cd1); }
.process .step:nth-child(3) .step__icon { background: linear-gradient(135deg,#ec7a6f,#d2544a); }
.process .step:nth-child(4) .step__icon { background: linear-gradient(135deg,#52c39d,#2f9e7c); }
.process .step:nth-child(5) .step__icon { background: linear-gradient(135deg,#7d6fe3,#5a4ccf); }
.process .step:nth-child(6) .step__icon { background: linear-gradient(135deg,#3bb9cb,#1f97aa); }
.step h4 { font-size: .98rem; margin: 0 0 4px; }
.step p { font-size: .84rem; color: var(--charcoal-60); margin: 0; }

/* Premium dark process timeline */
.process--premium {
  display: grid; grid-template-columns: repeat(6,1fr); gap: 14px;
  padding-top: 42px; position: relative; counter-reset: step;
}
.process--premium::before {
  content: ""; position: absolute; top: 68px; left: 8%; right: 8%; height: 1px;
  background: linear-gradient(90deg, rgba(201,168,106,0) 0%, rgba(201,168,106,.55) 14%, rgba(201,168,106,.55) 86%, rgba(201,168,106,0) 100%);
  box-shadow: 0 0 10px rgba(201,168,106,.18);
}
.process--premium .step {
  background: rgba(255,255,255,.06); border: 1px solid rgba(201,168,106,.20);
  border-radius: 18px; padding: 54px 14px 22px; position: relative; text-align: center;
  backdrop-filter: blur(4px);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
}
.process--premium .step:hover {
  transform: translateY(-6px); background: rgba(255,255,255,.10);
  border-color: rgba(201,168,106,.45);
  box-shadow: 0 18px 38px rgba(0,0,0,.28);
}
.process--premium .step__dot {
  width: 60px; height: 60px; margin: 0; position: absolute;
  top: -30px; left: 50%; transform: translateX(-50%);
  background: var(--navy); border: 2px solid var(--gold); color: var(--gold);
  font-size: 1.35rem; box-shadow: 0 0 0 5px rgba(201,168,106,.08), 0 10px 24px rgba(0,0,0,.25);
}
.process--premium .step__icon {
  width: 48px; height: 48px; margin: 0 auto 14px;
  background: rgba(201,168,106,.16); color: var(--gold);
  border: 1px solid rgba(201,168,106,.30); border-radius: 13px; padding: 10px;
  box-shadow: none; filter: none;
}
/* Override the rainbow gradients for a unified champagne palette */
.process--premium .step:nth-child(1) .step__icon,
.process--premium .step:nth-child(2) .step__icon,
.process--premium .step:nth-child(3) .step__icon,
.process--premium .step:nth-child(4) .step__icon,
.process--premium .step:nth-child(5) .step__icon,
.process--premium .step:nth-child(6) .step__icon { background: rgba(201,168,106,.16); color: var(--gold); }
.process--premium .step h4 { color: #fff; font-size: 1.02rem; margin: 0 0 8px; min-height: 2.4rem; display: flex; align-items: center; justify-content: center; }
.process--premium .step p { color: rgba(255,255,255,.78); font-size: .82rem; margin: 0; }

@media (max-width: 1024px) {
  .process--premium { grid-template-columns: repeat(3,1fr); gap: var(--sp-4) 14px; }
  .process--premium::before { display: none; }
  .process--premium .step__dot { position: relative; top: auto; left: auto; transform: none; margin: -34px auto 14px; }
}
@media (max-width: 560px) {
  .process--premium { grid-template-columns: 1fr; }
  .process--premium .step { padding: 50px 20px 22px; }
}


/* ---------- Trust / Logo Wall ---------- */
.logo-wall { display: grid; grid-template-columns: repeat(6,1fr); gap: var(--sp-3); align-items: center; }
.logo-wall .logo-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); height: 78px; display: flex; align-items: center; justify-content: center; color: var(--charcoal-40); font-family: var(--font-head); font-weight: 700; letter-spacing: .04em; font-size: .9rem; }
.logo-wall--navy .logo-item { background: #fff; border-color: var(--line); color: var(--charcoal-40); }
.trust-band { display: flex; gap: var(--sp-5); flex-wrap: wrap; justify-content: center; margin-top: var(--sp-4); }
.trust-band .t { display: flex; align-items: center; gap: 10px; color: var(--charcoal-60); font-size: .92rem; }
.trust-band .t svg { width: 22px; height: 22px; color: var(--charcoal); }

/* ---------- CTA Band ---------- */
.cta-band { background: var(--offwhite); color: var(--charcoal); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(40px,6vw,72px); text-align: center; position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 80% -10%, rgba(201,168,106,.08), transparent 55%); }
.cta-band > * { position: relative; z-index: 2; }
.cta-band h2 { color: var(--charcoal); font-size: clamp(1.6rem,3.2vw,2.4rem); }
.cta-band p { color: var(--charcoal-60); max-width: 56ch; margin: var(--sp-2) auto var(--sp-4); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--sp-3); }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--font-head); font-weight: 600; font-size: .88rem; color: var(--navy); }
.field label .req { color: var(--gold-deep); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: .95rem; color: var(--charcoal);
  padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(26,23,20,.08); }
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: .82rem; color: var(--charcoal-60); }
.form-success { display: none; background: var(--sand-100); border: 1px solid var(--gold); color: var(--navy); padding: var(--sp-3); border-radius: var(--radius); margin-top: var(--sp-3); }
.form-success.show { display: block; }

/* ---------- Contact Info Sidebar ---------- */
.info-card { background: var(--sand-100); color: var(--charcoal); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--sp-4); }
.info-card h4 { color: var(--charcoal); font-size: 1.05rem; margin-bottom: var(--sp-3); }
.info-list li { display: flex; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); font-size: .92rem; }
.info-list li:first-child { border-top: none; }
.info-list .ic { width: 20px; height: 20px; color: var(--charcoal); flex: 0 0 20px; margin-top: 3px; }
.info-list b { color: var(--charcoal); display: block; font-family: var(--font-head); font-weight: 600; font-size: .82rem; letter-spacing: .04em; }
.info-list span { color: var(--charcoal-60); }

/* ---------- Page Hero (sub pages) ---------- */
.page-hero { background: var(--offwhite); color: var(--charcoal); position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.page-hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 85% 20%, rgba(201,168,106,.08), transparent 50%); }
.page-hero__inner { position: relative; z-index: 2; padding: clamp(24px,4vw,48px) 0; }
.page-hero .eyebrow { color: var(--gold-deep); }
.page-hero .eyebrow::before { background: var(--gold); }
.page-hero h1 { color: var(--charcoal); font-size: clamp(2rem,4vw,3rem); }
.page-hero .lead { color: var(--charcoal-60); max-width: 60ch; margin-top: var(--sp-2); font-size: 1.05rem; }
.page-hero p { color: var(--charcoal-60); max-width: 60ch; margin-top: var(--sp-2); font-size: 1.05rem; }
.breadcrumb { font-size: .82rem; color: var(--charcoal-40); margin-bottom: var(--sp-2); letter-spacing: .02em; }
.breadcrumb a:hover { color: var(--charcoal); }
.breadcrumb span { color: var(--charcoal); }

/* ===== PAGE-HERO PHOTO BACKGROUNDS (golden-hour scenery / landmarks) ===== */
.page-hero--img {
  background-color: var(--navy);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
  border-bottom: none;
  min-height: clamp(260px, 36vh, 380px);
  display: flex;
  align-items: center;
}
.page-hero--img::after {
  background: linear-gradient(100deg, rgba(15,18,24,.52) 0%, rgba(15,18,24,.30) 44%, rgba(15,18,24,.12) 100%);
}
.page-hero--img .eyebrow { color: var(--gold); }
.page-hero--img .eyebrow::before { background: var(--gold); }
.page-hero--img h1 { color: #fff; }
.page-hero--img .lead,
.page-hero--img p { color: rgba(255,255,255,.86); }
.page-hero--img .breadcrumb { color: rgba(255,255,255,.65); }
.page-hero--img .breadcrumb a { color: rgba(255,255,255,.85); }
.page-hero--img .breadcrumb a:hover { color: #fff; }
.page-hero--img .breadcrumb span { color: #fff; }

.page-hero--about    { background-image: url(../img/scene-hero-about.jpg?v=3); }
.page-hero--benefits { background-image: url(../img/scene-hero-benefits.jpg?v=2); }
.page-hero--contact  { background-image: url(../img/scene-hero-contact.jpg?v=2); }
.page-hero--usecases { background-image: url(../img/scene-hero-usecases.jpg?v=3); }
.page-hero--oem      { background-image: url(../img/scene-hero-oem.jpg?v=3); }
.page-hero--products { background-image: url(../img/scene-hero-products.jpg?v=2); min-height: clamp(200px, 28vh, 300px); }
.page-hero--products .page-hero__inner { padding: clamp(18px, 2.5vw, 30px) 0; }
.page-hero--products::after { background: linear-gradient(100deg, rgba(15,18,24,.52) 0%, rgba(15,18,24,.30) 44%, rgba(15,18,24,.12) 100%); }
.page-hero--about::after,
.page-hero--benefits::after,
.page-hero--contact::after,
.page-hero--oem::after { background: linear-gradient(100deg, rgba(15,18,24,.40) 0%, rgba(15,18,24,.22) 44%, rgba(15,18,24,.08) 100%); }

/* ===== HOME TRAVEL BAND (world landmarks / scenery) ===== */
.travel-band { background: var(--sand-100); }
.travel-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--sp-3); margin-top: var(--sp-4); }
.travel-card { position: relative; display: block; border-radius: var(--radius); overflow: hidden; aspect-ratio: 2/3; box-shadow: var(--shadow); }
.travel-card img { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; transition: transform .6s var(--ease); }
.travel-card:hover img { transform: scale(1.06); }
.travel-card span {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 38px 18px 16px;
  color: #fff; font-family: var(--font-head); font-weight: 700; font-size: 1.08rem; letter-spacing: .02em;
  background: linear-gradient(180deg, transparent 0%, rgba(10,10,11,.55) 40%, rgba(10,10,11,.82) 100%);
}
.travel-card span small { display: block; font-family: var(--font-body); font-weight: 400; font-size: .82rem; color: rgba(255,255,255,.8); letter-spacing: .02em; }

@media (max-width: 760px) {
  .travel-grid { grid-template-columns: 1fr; }
  .page-hero--img { min-height: 220px; }
}

/* ---------- Catalog Page (Products) ---------- */
.catalog-hero-grid { display: grid; grid-template-columns: 1fr minmax(280px, 320px); gap: var(--sp-5); align-items: center; }
.catalog-hero-stats { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--sp-2); justify-self: stretch; width: 100%; max-width: 320px; }
/* Catalog hero stat cards — animated counter style (Concept 2) */
.stat-counter { position: relative; z-index: 0; overflow: hidden; --petal-radius: 50% 50% 50% 50%; aspect-ratio: 1 / 1; background: rgba(20,24,31,0.09); background-clip: padding-box; border: 1px solid transparent; border-radius: var(--petal-radius); padding: 6px 4px; color: #fff; text-align: center; display: flex; flex-direction: column; justify-content: center; align-items: center; transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.stat-counter::before { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: var(--petal-radius); padding: 2px; background: conic-gradient(from -25deg, rgba(201,168,106,0) 0deg, rgba(201,168,106,0.30) 8deg, rgba(201,168,106,1) 20deg, rgba(255,240,210,1) 25deg, rgba(201,168,106,1) 30deg, rgba(201,168,106,0.30) 42deg, rgba(201,168,106,0) 50deg, rgba(201,168,106,0) 120deg, rgba(201,168,106,0.30) 128deg, rgba(201,168,106,1) 140deg, rgba(255,240,210,1) 145deg, rgba(201,168,106,1) 150deg, rgba(201,168,106,0.30) 162deg, rgba(201,168,106,0) 170deg, rgba(201,168,106,0) 240deg, rgba(201,168,106,0.30) 248deg, rgba(201,168,106,1) 260deg, rgba(255,240,210,1) 265deg, rgba(201,168,106,1) 270deg, rgba(201,168,106,0.30) 282deg, rgba(201,168,106,0) 290deg, rgba(201,168,106,0) 360deg); -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); mask-composite: exclude; animation: statBorderRotate 6s linear infinite; }
.stat-counter > * { position: relative; z-index: 2; }
/* D 方案：内容区背后加暗色柔焦圆斑，提升金色/白色对比 */
.stat-counter::after { content: ""; position: absolute; inset: 16%; z-index: 1; border-radius: 50%; pointer-events: none; background: radial-gradient(circle at 50% 44%, rgba(8,10,14,0.48) 0%, rgba(10,12,16,0.30) 50%, rgba(10,12,16,0.08) 78%, rgba(10,12,16,0) 90%); }
.stat-counter:hover { transform: translateY(-4px); background: rgba(20,24,31,0.16); box-shadow: 0 14px 30px rgba(20,24,31,.16); }
.stat-counter:hover::before { animation-duration: 2.5s; }
@keyframes statBorderRotate { to { transform: rotate(360deg); } }

/* ===== Wind-blown white smoke on Products hero background ===== */
.hero-wind { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.hero-wind__wisp {
  position: absolute;
  border-radius: 50%;
  filter: blur(20px);
  opacity: 0;
  transform: translateX(var(--lane, 0));
  background:
    radial-gradient(46% 40% at 30% 60%, rgba(255,255,255,.95), rgba(255,255,255,0) 72%),
    radial-gradient(40% 46% at 55% 45%, rgba(255,255,255,.72), rgba(255,255,255,0) 74%),
    radial-gradient(42% 42% at 78% 55%, rgba(255,255,255,.58), rgba(255,255,255,0) 74%);
  animation-name: heroWind;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  will-change: left, top, opacity;
}
.hero-wind__wisp--1 { width: 26%; height: 52%; --wop:.70; --lane: 0%;    left: -12%; top: 108%; animation-duration: 18s; animation-delay: 0s; }
.hero-wind__wisp--2 { width: 22%; height: 44%; --wop:.55; --lane: 22%;   left: -12%; top: 108%; animation-duration: 24s; animation-delay: -5s; }
.hero-wind__wisp--3 { width: 28%; height: 56%; --wop:.66; --lane: -22%;  left: -12%; top: 108%; animation-duration: 20s; animation-delay: -10s; }
.hero-wind__wisp--4 { width: 24%; height: 48%; --wop:.52; --lane: 44%;   left: -12%; top: 108%; animation-duration: 26s; animation-delay: -3s; }
.hero-wind__wisp--5 { width: 27%; height: 54%; --wop:.62; --lane: -44%;  left: -12%; top: 108%; animation-duration: 22s; animation-delay: -14s; }
.hero-wind__wisp--6 { width: 23%; height: 46%; --wop:.50; --lane: 66%;   left: -12%; top: 108%; animation-duration: 28s; animation-delay: -8s; }
.hero-wind__wisp--7 { width: 29%; height: 58%; --wop:.68; --lane: -66%;  left: -12%; top: 108%; animation-duration: 19s; animation-delay: -16s; }
.hero-wind__wisp--8 { width: 25%; height: 50%; --wop:.55; --lane: 88%;   left: -12%; top: 108%; animation-duration: 25s; animation-delay: -12s; }
@keyframes heroWind {
  0%   { left: -12%; top: 108%; opacity: 0; }
  10%  { opacity: var(--wop, .75); }
  90%  { opacity: var(--wop, .75); }
  100% { left: 98%;  top: -48%; opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-wind__wisp { animation: none; opacity: 0; }
}
.stat-counter__icon { width: 23px; height: 23px; color: #F2D57E; filter: drop-shadow(0 0 3px rgba(255,255,255,0.6)) drop-shadow(0 0 11px rgba(242,213,126,0.92)) drop-shadow(0 0 2px rgba(0,0,0,0.3)); margin: 0 auto 4px; }
.stat-counter__num { font-family: var(--font-num); font-size: 1.05rem; font-weight: 700; color: #F2D57E; line-height: 1; text-shadow: 0 0 10px rgba(245,220,150,0.9), 0 0 22px rgba(242,213,126,0.62), 0 0 38px rgba(197,157,63,0.45), 0 1px 2px rgba(0,0,0,0.5); }
.stat-counter__num--text { font-size: .95rem; letter-spacing: -.01em; }
.counter-plus { font-size: 1.05rem; color: #F2D57E; text-shadow: 0 0 10px rgba(245,220,150,0.9), 0 0 22px rgba(242,213,126,0.62), 0 0 38px rgba(197,157,63,0.45), 0 1px 2px rgba(0,0,0,0.5); }
.stat-counter__lbl { font-size: .65rem; font-weight: 600; margin-top: 1px; color: #fff; text-shadow: 0 0 10px rgba(255,255,255,0.6), 0 0 18px rgba(255,255,255,0.32), 0 1px 3px rgba(0,0,0,0.4); }
.stat-counter__desc { font-size: .55rem; color: rgba(255,255,255,.97); margin-top: 1px; line-height: 1.2; text-shadow: 0 0 8px rgba(255,255,255,0.45), 0 0 16px rgba(255,255,255,0.22), 0 1px 3px rgba(0,0,0,0.4); }

/* Photo variant for stat / value cells (number over scenery) */
.value-cell--photo,
.stat-card--photo { position: relative; overflow: hidden; color: #fff; text-align: center; }
.value-cell--photo .vbg,
.stat-card--photo .vbg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: brightness(1.25) contrast(1.10) saturate(1.06); }
.value-cell--photo .vbg--zoom { transform: scale(1.12); }
.value-cell--photo .vveil,
.stat-card--photo .vveil { position: absolute; inset: 0; background: linear-gradient(160deg, rgba(20,24,31,.28) 0%, rgba(20,24,31,.62) 100%); }
.value-cell--photo > *,
.stat-card--photo > * { position: relative; z-index: 2; }
.value-cell--photo .num,
.stat-card--photo .stat-card__num { font-family: var(--font-num); font-size: 1.7rem; font-weight: 600; color: var(--gold); line-height: 1.1; text-shadow: 0 1px 6px rgba(0,0,0,.35); }
.value-cell--photo h3,
.stat-card--photo h3 { color: #fff; font-size: 1.05rem; margin: 6px 0 4px; text-shadow: 0 1px 5px rgba(0,0,0,.35); }
.value-cell--photo p,
.stat-card--photo p { color: rgba(255,255,255,.92); font-size: .9rem; margin: 0; text-shadow: 0 1px 4px rgba(0,0,0,.35); }
.stat-card--photo .stat-card__lbl { color: rgba(255,255,255,.92); margin-top: 4px; }

/* Larger photo cards for the homepage "Easy to Use in Various Scenes" band */
.scene-grid .scene-card { min-height: 280px; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; }
.scene-grid .scene-card .vbg { filter: brightness(1.18) contrast(1.05); }
.scene-grid .scene-card .vveil { background: linear-gradient(160deg, rgba(20,24,31,.30) 0%, rgba(20,24,31,.68) 100%); }
.scene-grid .scene-card h3 { font-size: 1.25rem; margin-bottom: 8px; }
.scene-grid .scene-card p { font-size: .95rem; line-height: 1.5; }
.scene-grid { gap: var(--sp-4); }

@media (max-width: 560px) {
  .scene-grid .scene-card { min-height: 240px; }
}

.category-overview { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--sp-3); }
.category-overview__item { display: flex; align-items: flex-start; gap: var(--sp-2); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: var(--sp-3); }
.category-overview__item .ic { width: 40px; height: 40px; color: var(--gold-deep); flex: 0 0 40px; }
.category-overview__item h4 { font-size: 1rem; margin-bottom: 4px; }
.category-overview__item p { font-size: .88rem; color: var(--charcoal-60); margin: 0; }

.catalog-layout { display: grid; grid-template-columns: 260px 1fr; gap: var(--sp-5); align-items: start; }
.catalog-sidebar { position: sticky; top: 110px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: var(--sp-3); }
.catalog-sidebar__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--sp-3); }
.catalog-sidebar__head h3 { font-size: 1.1rem; }
.catalog-sidebar__cta { margin-top: var(--sp-4); padding-top: var(--sp-3); border-top: 1px solid var(--line); }
.catalog-sidebar__cta h4 { font-size: .98rem; margin-bottom: 6px; }
.catalog-sidebar__cta p { font-size: .85rem; color: var(--charcoal-60); margin-bottom: var(--sp-2); }
.filter-form { display: flex; flex-direction: column; gap: var(--sp-2); }
.filter-form .filter-field { min-width: 0; }
.filter-form .filter-field label { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--charcoal-60); margin-bottom: 4px; display: block; }
.filter-form .filter-field select { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; font-family: var(--font-body); font-size: .92rem; color: var(--charcoal); }

.cat-nav { display: flex; flex-direction: column; gap: 6px; }
.cat-nav__item {
  display: block; width: 100%; text-align: left;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 13px 15px; font-family: var(--font-head); font-weight: 600; font-size: .92rem;
  color: var(--charcoal); cursor: pointer; transition: all .22s var(--ease);
}
.cat-nav__item:hover { border-color: var(--navy); background: var(--offwhite); }
.cat-nav__item.is-active { background: var(--accent); color: #fff; border-color: var(--accent); }
.catalog-main { min-width: 0; }
.catalog-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--sp-3); flex-wrap: wrap; gap: 8px; }
.catalog-toolbar__hint { font-size: .85rem; color: var(--charcoal-40); }

.product-card__specs { display: grid; grid-template-columns: repeat(2,1fr); gap: 2px 10px; margin: 2px 0; padding: 0; list-style: none; font-size: .78rem; min-height: 3rem; }
.product-card__specs li { display: flex; justify-content: space-between; gap: 8px; padding: 2px 0; border-bottom: 1px solid var(--line); }
.product-card__specs span { color: var(--charcoal-40); }
.product-card__specs b { color: var(--navy); font-weight: 600; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.spec-table--comparison { width: 100%; border-collapse: collapse; min-width: 720px; }
.spec-table--comparison th { background: var(--charcoal); color: #fff; font-family: var(--font-head); font-size: .82rem; letter-spacing: .04em; text-align: left; padding: 14px 16px; font-weight: 600; }
.spec-table--comparison td { padding: 14px 16px; border-bottom: 1px solid var(--line); font-size: .92rem; color: var(--charcoal); }
.spec-table--comparison tr:last-child td { border-bottom: none; }
.spec-table--comparison tr:nth-child(even) { background: var(--offwhite); }
.spec-table--comparison .num { font-family: var(--font-num); font-weight: 600; color: var(--navy); }

.cta-band--split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); align-items: center; text-align: left; }
.cta-band--split h2 { margin-bottom: var(--sp-2); }
.cta-band--split p { margin-bottom: var(--sp-3); }
.cta-band__media { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.cta-band__media img { width: 100%; height: auto; display: block; }

.small { font-size: .88rem; color: var(--charcoal-60); }

/* ---------- Model Scenes Gallery (Products) ---------- */
.model-scene-hero { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); background: var(--sand-100); }
.model-scene-hero img { width: 100%; height: auto; display: block; }
.model-scene-hero figcaption { padding: var(--sp-3) var(--sp-4); background: #fff; color: var(--charcoal); border-top: 1px solid var(--line); font-family: var(--font-num); font-size: .92rem; letter-spacing: .04em; text-align: center; }

/* ---------- Complete Kit media (products) ---------- */
.kit-media { aspect-ratio: 3/4; background: #fff; border: 1px solid var(--line); }
.kit-media img { object-fit: contain; }

/* ---------- Exploded Structure (Product detail) ---------- */
.exploded { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--sp-5); align-items: center; }
.exploded__media { background: var(--sand-100); border: 1px solid var(--line); border-radius: var(--radius); aspect-ratio: 1/1; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.exploded__media img { width: 100%; height: 100%; object-fit: contain; }
.part-list { display: grid; gap: 12px; }
.part-list li { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.part-list .num { font-family: var(--font-num); font-weight: 600; color: var(--gold-deep); font-size: 1.05rem; }
.part-list b { color: var(--navy); }
.part-list span { color: var(--charcoal-60); font-size: .9rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: #D8D2C8; padding-top: var(--sp-5); }
.footer-grid { display: grid; grid-template-columns: 1fr; grid-template-rows: auto 1fr; gap: var(--sp-4); align-items: start; padding-bottom: var(--sp-5); }
.footer-row--top { display: flex; align-items: flex-end; gap: var(--sp-4); }
.footer-row--bottom { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: var(--sp-4); align-items: start; }
.footer-brand__logo { display: flex; align-items: center; justify-content: center; flex: 1.6; padding-left: 12px; }
.footer-brand__logo .brand__logo { height: 96px; position: relative; top: 36px; filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(255,255,255,.35)); }
.footer-brand__desc { font-size: .9rem; color: #E8E2D8; max-width: 36ch; margin: 0; line-height: 1.6; }
.footer-heading { display: inline-block; color: #fff; font-size: 1.1rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-family: var(--font-num); margin: 0; padding: 4px 10px; background: rgba(255,255,255,.10); border-radius: 4px; border: 1px solid rgba(255,255,255,.18); }
.footer-heading:nth-child(2) { flex: 1; }
.footer-heading:nth-child(3) { flex: 1; }
.footer-heading:nth-child(4) { flex: 1.4; }
.footer-body { display: flex; flex-direction: column; align-items: start; }
.footer-body a { display: block; font-size: .9rem; color: #F0EBE4; padding: 0 0 10px; transition: color .2s; }
.footer-body a:hover { color: var(--gold-soft); }
.footer-body p { font-size: .9rem; color: #E8E2D8; margin: 0 0 8px; }
.footer-news form { display: flex; gap: 8px; }
.footer-news input { flex: 1; padding: 10px 12px; border-radius: var(--radius-sm); border: 1px solid var(--line-dark); background: rgba(255,255,255,.04); color: #fff; }
.footer-news input:focus { outline: none; border-color: var(--gold); }
.footer-bottom { border-top: 1px solid var(--line-dark); padding: var(--sp-3) 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: .82rem; color: #B5AFA5; }
.footer-bottom a:hover { color: #fff; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 34px; height: 34px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); display: flex; align-items: center; justify-content: center; color: #E8E2D8; transition: all .2s; }
.footer-social a:hover { background: #fff; color: #14181F; border-color: #fff; }
.footer-social svg { width: 16px; height: 16px; }

/* ---------- Image Placeholder (pre-photos) ---------- */
.img-ph { background: linear-gradient(135deg, var(--sand-100), var(--sand-200)); display: flex; align-items: center; justify-content: center; color: var(--charcoal-40); font-family: var(--font-num); letter-spacing: .14em; text-transform: uppercase; font-size: .78rem; text-align: center; padding: 16px; }
.img-ph--dark { background: linear-gradient(135deg, var(--navy-800), var(--navy-900)); color: #6B6863; }

/* ---------- Utility ---------- */
.mt-2 { margin-top: var(--sp-2); } .mt-3 { margin-top: var(--sp-3); } .mt-4 { margin-top: var(--sp-4); } .mt-5 { margin-top: var(--sp-5); }
.mb-2 { margin-bottom: var(--sp-2); } .mb-3 { margin-bottom: var(--sp-3); } .mb-4 { margin-bottom: var(--sp-4); }
.divider-gold { width: 56px; height: 3px; background: var(--gold); border: none; margin: var(--sp-3) 0; border-radius: 2px; }
.text-gold { color: var(--gold-deep); }
.text-navy { color: var(--navy); }
.fw-600 { font-weight: 600; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .value-grid { grid-template-columns: repeat(2,1fr); }
  .icon-grid { grid-template-columns: repeat(2,1fr); }
  .logo-wall { grid-template-columns: repeat(4,1fr); }
  .process { grid-template-columns: repeat(3,1fr); gap: var(--sp-4) 0; }
  .process::before { display: none; }
  .footer-grid { gap: var(--sp-3); }
  .footer-row--bottom { grid-template-columns: 1fr 1fr; }
  .footer-row--top { flex-wrap: wrap; }
  .footer-row--top .footer-brand__logo { flex: 0 0 100%; justify-content: center; padding-left: 0; }
  .footer-row--top .footer-heading { flex: 1 1 calc(33.333% - var(--sp-3)); }
  .footer-brand__logo .brand__logo { height: 72px; }
  .catalog-hero-grid { grid-template-columns: 1fr; }
  .catalog-hero-stats { max-width: 260px; margin: 0 auto; justify-self: center; }
  .catalog-layout { grid-template-columns: 1fr; }
  .catalog-sidebar { position: static; }
  .category-overview { grid-template-columns: repeat(2,1fr); }
  .cta-band--split { grid-template-columns: 1fr; }
  .cta-band__media { order: -1; }
}
@media (max-width: 820px) {
  .nav, .header-cta .btn--ghost { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-header__inner { height: 82px; }
  .brand__logo { height: 64px; }
  .nav.open { display: flex; position: absolute; top: 82px; left: 0; right: 0; flex-direction: column; background: #fff; padding: var(--sp-2); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav.open a { padding: 12px 14px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2,1fr); }
  .feature-row, .feature-row.reverse { grid-template-columns: 1fr; }
  .feature-row.reverse .feature-row__media { order: 0; }
  .exploded { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .hero__inner { grid-template-columns: 1fr; gap: var(--sp-4); }
  .hero__visual { order: -1; max-width: 480px; }
  .hero::after { display: none; }
}
@media (max-width: 560px) {
  .value-grid, .grid-2, .grid-3, .grid-4, .icon-grid, .category-overview { grid-template-columns: 1fr; }
  .logo-wall { grid-template-columns: repeat(2,1fr); }
  .footer-row--bottom { grid-template-columns: 1fr; }
  .footer-row--top { flex-direction: column; align-items: start; }
  .footer-brand__logo .brand__logo { height: 64px; }
  .hero__meta { gap: var(--sp-3); }
}