/* ============================================================
   VIEMAG — Brand Website Core Stylesheet
   Tech-Dark Theme | Navy + Gold + Cream
   ============================================================ */

/* === Google Fonts === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+TC:wght@300;400;500;700;900&display=swap');

/* === CSS Variables === */
:root {
  --bg-deepest:   #060D18;
  --bg-dark:      #0A1628;
  --bg-navy:      #0F1F33;
  --bg-card:      #142640;
  --bg-card-2:    #1A3A5C;
  --bg-glass:     rgba(10, 22, 40, 0.75);

  --gold:         #C8941A;
  --gold-light:   #E6B84E;
  --gold-pale:    #F5D98A;
  --gold-glow:    rgba(200, 148, 26, 0.22);
  --gold-glow-h:  rgba(200, 148, 26, 0.45);

  --cream:        #F8F5EF;
  --white:        #FFFFFF;
  --text:         #FFFFFF;
  --text-2:       rgba(255,255,255,0.72);
  --text-3:       rgba(255,255,255,0.48);

  --border:       rgba(200,148,26,0.18);
  --border-sub:   rgba(255,255,255,0.07);

  --red:          #C84A3A;
  --green:        #5A8A6B;
  --blue-acc:     #4A7AB5;

  --nav-h:        72px;
  --ease-out:     cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', 'Noto Sans TC', system-ui, -apple-system, sans-serif;
  background: var(--bg-deepest);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

/* === Typography === */
h1, h2, h3, h4, h5 { line-height: 1.15; font-weight: 800; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 6vw, 5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.125rem; font-weight: 700; }
p  { line-height: 1.75; }

.text-gold  { color: var(--gold); }
.text-gold-l{ color: var(--gold-light); }
.text-muted { color: var(--text-2); }
.text-dim   { color: var(--text-3); }

/* === Layout Utilities === */
.container  { width: min(1200px, 100% - 48px); margin-inline: auto; }
.container--wide { width: min(1440px, 100% - 48px); margin-inline: auto; }
.grid-2  { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3  { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4  { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.section { padding: 96px 0; }
.section--sm { padding: 64px 0; }

/* === Navigation === */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: var(--bg-glass);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--border-sub);
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav__inner {
  height: 100%;
  display: flex; align-items: center; gap: 32px;
}
.nav__logo {
  flex-shrink: 0;
  display: flex; flex-direction: column; gap: 1px;
  letter-spacing: 0.05em;
}
.nav__logo-en {
  font-size: 1.4rem; font-weight: 900;
  color: var(--gold);
  line-height: 1;
}
.nav__logo-cn {
  font-size: 0.65rem; font-weight: 500;
  color: var(--text-2); letter-spacing: 0.15em;
}
.nav__links {
  display: flex; align-items: center; gap: 28px;
  flex: 1;
}
.nav__link {
  font-size: 0.875rem; font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s;
  position: relative;
  padding-bottom: 2px;
}
.nav__link::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 1px; background: var(--gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s var(--ease-out);
}
.nav__link:hover, .nav__link.active {
  color: var(--white);
}
.nav__link:hover::after, .nav__link.active::after { transform: scaleX(1); }

.nav__right { display: flex; align-items: center; gap: 12px; }

.lang-switch {
  display: flex; align-items: center; gap: 2px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px;
}
.lang-btn {
  font-size: 0.72rem; font-weight: 600;
  padding: 4px 10px; border-radius: 100px;
  color: var(--text-3);
  transition: all 0.2s;
}
.lang-btn.active, .lang-btn:hover {
  background: var(--gold);
  color: var(--bg-dark);
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 8px;
  font-size: 0.875rem; font-weight: 600;
  transition: all 0.2s var(--ease-out);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: var(--bg-deepest);
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--gold-glow-h);
}
.btn-outline {
  border: 1px solid var(--border);
  color: var(--text-2);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--white);
  background: var(--gold-glow);
}
.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: 10px; }
.btn-xl { padding: 18px 40px; font-size: 1.05rem; border-radius: 12px; }

/* Mobile menu button */
.nav__hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: 6px;
}
.nav__hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text-2); border-radius: 2px;
  transition: all 0.3s;
}
.nav__mobile {
  display: none;
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
  padding: 24px;
  flex-direction: column; gap: 16px;
}
.nav__mobile.open { display: flex; }
.nav__mobile .nav__link { font-size: 1rem; padding: 8px 0; }

/* === Hero Section === */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  overflow: hidden;
  background: radial-gradient(ellipse 120% 80% at 50% 100%, #0F2040 0%, var(--bg-deepest) 65%);
  padding-top: var(--nav-h);
}
.hero__bg {
  position: absolute; inset: 0;
  overflow: hidden; pointer-events: none;
}
/* Magnetic ring system */
.mag-rings {
  position: absolute;
  right: -5%;
  top: 50%; transform: translateY(-50%);
  width: 680px; height: 680px;
}
.mag-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.mag-ring:nth-child(1) { width: 120px; height: 120px; border-color: var(--gold); animation: ring-pulse 3s ease-in-out infinite; }
.mag-ring:nth-child(2) { width: 220px; height: 220px; border-color: rgba(200,148,26,0.6); animation: ring-pulse 3s ease-in-out 0.4s infinite; }
.mag-ring:nth-child(3) { width: 340px; height: 340px; border-color: rgba(200,148,26,0.35); animation: ring-pulse 3s ease-in-out 0.8s infinite; }
.mag-ring:nth-child(4) { width: 480px; height: 480px; border-color: rgba(200,148,26,0.18); animation: ring-pulse 3s ease-in-out 1.2s infinite; }
.mag-ring:nth-child(5) { width: 640px; height: 640px; border-color: rgba(200,148,26,0.08); animation: ring-pulse 3s ease-in-out 1.6s infinite; }
.mag-dot {
  position: absolute; border-radius: 50%; background: var(--gold);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 24px; height: 24px;
  box-shadow: 0 0 40px 12px var(--gold-glow-h);
  animation: dot-pulse 2s ease-in-out infinite;
}
@keyframes ring-pulse {
  0%, 100% { opacity: 0.9; transform: translate(-50%, -50%) scale(1); }
  50%       { opacity: 0.5; transform: translate(-50%, -50%) scale(1.04); }
}
@keyframes dot-pulse {
  0%, 100% { box-shadow: 0 0 40px 12px var(--gold-glow-h); }
  50%       { box-shadow: 0 0 60px 20px var(--gold-glow); }
}

/* Dot grid background */
.hero__grid {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(200,148,26,0.12) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}
/* Gradient overlay left side */
.hero__fade {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--bg-deepest) 30%, transparent 70%);
}

.hero__content {
  position: relative; z-index: 1;
  max-width: 680px;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(200,148,26,0.1);
  border: 1px solid rgba(200,148,26,0.3);
  padding: 6px 14px; border-radius: 100px;
  margin-bottom: 24px;
}
.hero__badge::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold);
  animation: dot-pulse 2s infinite;
}
.hero__title {
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 40%, var(--gold-pale) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-2); max-width: 520px; margin-bottom: 40px;
  line-height: 1.8;
}
.hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__scroll {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-3); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.hero__scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50%       { transform: scaleY(0.5); opacity: 0.4; }
}

/* === Stats Bar === */
.stats-bar {
  background: var(--bg-card);
  border-top: 1px solid var(--border-sub);
  border-bottom: 1px solid var(--border-sub);
  padding: 28px 0;
}
.stats-bar__inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px;
}
.stat-item {
  display: flex; flex-direction: column; align-items: center;
  gap: 4px; padding: 16px;
  position: relative;
}
.stat-item + .stat-item::before {
  content: ''; position: absolute; left: 0; top: 20%; bottom: 20%;
  width: 1px; background: var(--border-sub);
}
.stat-num {
  font-size: 2rem; font-weight: 900;
  color: var(--gold); line-height: 1;
}
.stat-label { font-size: 0.78rem; color: var(--text-2); text-align: center; }

/* === Section Headers === */
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--gold);
  margin-bottom: 12px;
}
.section-tag::before, .section-tag::after {
  content: ''; width: 20px; height: 1px; background: var(--gold);
}
.section-title { margin-bottom: 16px; }
.section-desc { color: var(--text-2); max-width: 560px; font-size: 1.05rem; }
.section-header { margin-bottom: 56px; }
.section-header--center { text-align: center; }
.section-header--center .section-desc { margin-inline: auto; }

/* === Product Category Cards === */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.cat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-sub);
  border-radius: var(--radius, 16px);
  overflow: hidden;
  transition: transform 0.3s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
  cursor: pointer;
  display: flex; flex-direction: column;
}
.cat-card:hover {
  transform: translateY(-6px);
  border-color: var(--border);
  box-shadow: 0 24px 60px rgba(0,0,0,0.4), 0 0 0 1px var(--gold-glow);
}
.cat-card__visual {
  aspect-ratio: 16/9;
  background: var(--bg-navy);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.cat-card__visual svg { width: 120px; height: 120px; opacity: 0.9; }
.cat-card__label {
  position: absolute; top: 12px; left: 12px;
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.12em;
  background: rgba(200,148,26,0.18);
  border: 1px solid var(--border);
  color: var(--gold);
  padding: 4px 10px; border-radius: 4px;
}
.cat-card__body { padding: 24px; flex: 1; }
.cat-card__code { font-size: 0.7rem; color: var(--gold); font-weight: 700; letter-spacing: 0.1em; margin-bottom: 6px; }
.cat-card__name { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.cat-card__desc { font-size: 0.875rem; color: var(--text-2); margin-bottom: 16px; line-height: 1.65; }
.cat-card__footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-sub);
  display: flex; align-items: center; justify-content: space-between;
}
.cat-card__sku { font-size: 0.72rem; color: var(--text-3); }
.cat-card__arrow {
  width: 28px; height: 28px; border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
  transition: all 0.2s;
  font-size: 0.9rem;
}
.cat-card:hover .cat-card__arrow {
  background: var(--gold);
  color: var(--bg-deepest);
  border-color: var(--gold);
}

/* Extra cats on row 2 */
.cat-grid .cat-card:nth-child(4),
.cat-grid .cat-card:nth-child(5) {
  /* centered in grid if only 2 on second row — handled via JS class */
}

/* === Scenario Cards === */
.scenario-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.scenario-card {
  background: var(--bg-card);
  border: 1px solid var(--border-sub);
  border-radius: 12px;
  padding: 28px 24px;
  transition: all 0.3s var(--ease-out);
}
.scenario-card:hover {
  border-color: var(--border);
  background: var(--bg-card-2);
  transform: translateY(-3px);
}
.scenario-card__code {
  font-size: 0.65rem; font-weight: 800; letter-spacing: 0.12em;
  color: var(--gold); margin-bottom: 12px;
  font-family: 'Inter', monospace;
}
.scenario-card__icon { font-size: 2rem; margin-bottom: 12px; }
.scenario-card__name { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.scenario-card__cats { font-size: 0.75rem; color: var(--text-3); }

/* === Features Section === */
.features-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
}
.feature-item { text-align: center; }
.feature-icon {
  width: 64px; height: 64px; border-radius: 16px;
  background: linear-gradient(135deg, var(--bg-card-2), var(--bg-card));
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
}
.feature-title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-desc { font-size: 0.875rem; color: var(--text-2); line-height: 1.7; }

/* === News Cards === */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border-sub);
  border-radius: 14px; overflow: hidden;
  transition: all 0.3s var(--ease-out);
  display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-4px); border-color: var(--border); }
.news-card__image {
  aspect-ratio: 16/10;
  background: var(--bg-navy);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.news-card__cat {
  position: absolute; top: 12px; left: 12px;
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  background: var(--gold); color: var(--bg-deepest);
  padding: 3px 10px; border-radius: 4px;
}
.news-card__body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.news-card__date { font-size: 0.72rem; color: var(--text-3); margin-bottom: 10px; }
.news-card__title { font-size: 1rem; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.news-card__excerpt { font-size: 0.85rem; color: var(--text-2); line-height: 1.7; flex: 1; }
.news-card__link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; font-size: 0.82rem; font-weight: 600; color: var(--gold);
  transition: gap 0.2s;
}
.news-card:hover .news-card__link { gap: 10px; }

/* === CTA Split === */
.cta-split {
  display: grid; grid-template-columns: 1fr 1fr;
}
.cta-half {
  padding: 80px 56px;
  display: flex; flex-direction: column; gap: 20px;
}
.cta-half--dark { background: var(--bg-navy); }
.cta-half--gold { background: linear-gradient(135deg, #8C6A1A, var(--gold)); }
.cta-half--gold .cta-label,
.cta-half--gold h3,
.cta-half--gold p { color: var(--bg-deepest); }
.cta-half--gold h3 { color: var(--bg-deepest); }
.cta-label { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); }
.cta-half--gold .cta-label { color: rgba(15,31,51,0.7); }

/* === Footer === */
.footer {
  background: var(--bg-deepest);
  border-top: 1px solid var(--border-sub);
  padding: 64px 0 32px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer__brand-name {
  font-size: 1.5rem; font-weight: 900; color: var(--gold); letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.footer__brand-cn { font-size: 0.75rem; color: var(--text-3); letter-spacing: 0.15em; margin-bottom: 16px; }
.footer__desc { font-size: 0.875rem; color: var(--text-2); line-height: 1.75; margin-bottom: 20px; }
.footer__social { display: flex; gap: 10px; }
.social-btn {
  width: 36px; height: 36px; border-radius: 8px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2); font-size: 0.9rem;
  transition: all 0.2s;
}
.social-btn:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-glow); }
.footer__col-title {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 18px;
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__link { font-size: 0.875rem; color: var(--text-2); transition: color 0.2s; }
.footer__link:hover { color: var(--gold); }
.footer__bottom {
  border-top: 1px solid var(--border-sub);
  padding-top: 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.footer__copy { font-size: 0.78rem; color: var(--text-3); }
.footer__badges { display: flex; gap: 8px; }
.badge-chip {
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.06em;
  padding: 4px 10px; border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--text-3);
}

/* === Products Page === */
.product-hero {
  background: linear-gradient(135deg, var(--bg-navy) 0%, var(--bg-deepest) 100%);
  padding: calc(var(--nav-h) + 64px) 0 64px;
  position: relative; overflow: hidden;
}
.product-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(200,148,26,0.07) 1px, transparent 1px);
  background-size: 36px 36px;
}
.product-cat-detail {
  padding: 96px 0;
}
.subcat-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.subcat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-sub);
  border-radius: 12px; padding: 28px;
  transition: all 0.3s;
}
.subcat-card:hover { border-color: var(--border); transform: translateY(-3px); }
.subcat-card__code { font-size: 0.65rem; font-weight: 700; color: var(--gold); letter-spacing: 0.1em; margin-bottom: 8px; }
.subcat-card__name { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; }
.sku-list { display: flex; flex-direction: column; gap: 8px; }
.sku-item {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-navy); border-radius: 8px; padding: 10px 14px;
  font-size: 0.85rem; cursor: pointer; transition: all 0.2s;
  border: 1px solid transparent;
}
.sku-item:hover { border-color: var(--border); background: var(--bg-card); }
.sku-item__code { font-size: 0.7rem; font-weight: 700; color: var(--gold); font-family: monospace; min-width: 90px; }
.sku-item__name { color: var(--text-2); flex: 1; }
.sku-item__arrow { color: var(--text-3); font-size: 0.8rem; }

/* === Product Detail Page === */
.product-detail-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start;
  padding: calc(var(--nav-h) + 48px) 0 80px;
}
.product-visual {
  border-radius: 20px; overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-sub);
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
}
.product-detail-info { display: flex; flex-direction: column; gap: 24px; }
.product-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.78rem; color: var(--text-3);
}
.product-breadcrumb a:hover { color: var(--gold); }
.product-breadcrumb__sep { color: var(--border); }
.product-sku-code {
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.12em;
  color: var(--gold); font-family: monospace;
}
.product-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.product-badge {
  font-size: 0.7rem; font-weight: 600; padding: 4px 12px;
  border-radius: 100px; border: 1px solid;
}
.product-badge--qi2 { border-color: #4A7AB5; color: #7AADDF; background: rgba(74,122,181,0.1); }
.product-badge--eco { border-color: var(--border); color: var(--text-2); background: var(--gold-glow); }
.product-spec-table { width: 100%; border-collapse: collapse; }
.product-spec-table tr { border-bottom: 1px solid var(--border-sub); }
.product-spec-table td { padding: 12px 0; font-size: 0.875rem; }
.product-spec-table td:first-child { color: var(--text-3); width: 40%; }
.product-spec-table td:last-child { color: var(--text); font-weight: 500; }
.product-ctas { display: flex; gap: 12px; }

/* === Brand Story Page === */
.brand-hero-page {
  background: radial-gradient(ellipse 100% 60% at 50% 100%, #1A3A5C 0%, var(--bg-deepest) 70%);
  padding: calc(var(--nav-h) + 80px) 0 80px;
  text-align: center; position: relative; overflow: hidden;
}
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card {
  background: var(--bg-card); border: 1px solid var(--border-sub);
  border-radius: 14px; padding: 32px 24px;
  transition: all 0.3s;
}
.value-card:hover { border-color: var(--border); transform: translateY(-4px); }
.value-icon { font-size: 2.2rem; margin-bottom: 16px; }
.value-num {
  font-size: 0.65rem; font-weight: 800; letter-spacing: 0.14em;
  color: var(--gold); margin-bottom: 10px; text-transform: uppercase;
}
.value-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.value-desc { font-size: 0.85rem; color: var(--text-2); line-height: 1.7; }
.brand-timeline { position: relative; }
.timeline-line {
  position: absolute; left: 50%; top: 0; bottom: 0;
  width: 1px; background: linear-gradient(to bottom, transparent, var(--gold), transparent);
  transform: translateX(-50%);
}
.timeline-item {
  display: grid; grid-template-columns: 1fr 48px 1fr; gap: 24px;
  align-items: start; margin-bottom: 56px;
}
.timeline-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--gold); border: 3px solid var(--bg-deepest);
  box-shadow: 0 0 16px var(--gold-glow-h);
  margin: 0 auto;
  margin-top: 4px;
}
.timeline-content {
  background: var(--bg-card); border: 1px solid var(--border-sub);
  border-radius: 12px; padding: 24px;
}
.timeline-year { font-size: 0.7rem; font-weight: 800; color: var(--gold); letter-spacing: 0.1em; margin-bottom: 8px; }
.timeline-title { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.timeline-desc { font-size: 0.85rem; color: var(--text-2); line-height: 1.65; }
.timeline-item:nth-child(even) .timeline-content:first-child { visibility: hidden; }
.timeline-item:nth-child(odd)  .timeline-content:last-child  { visibility: hidden; }

/* === News/Article Page === */
.news-hero {
  background: var(--bg-navy);
  padding: calc(var(--nav-h) + 64px) 0 64px;
  border-bottom: 1px solid var(--border-sub);
}
.news-featured {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
  margin-bottom: 80px;
}
.news-featured__image {
  border-radius: 16px; overflow: hidden;
  background: var(--bg-card); aspect-ratio: 16/10;
  display: flex; align-items: center; justify-content: center;
}
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* === Contact Page === */
.contact-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  padding: calc(var(--nav-h) + 64px) 0 96px;
}
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-label { font-size: 0.82rem; font-weight: 600; color: var(--text-2); }
.form-input, .form-select, .form-textarea {
  background: var(--bg-card); border: 1px solid var(--border-sub);
  border-radius: 8px; padding: 12px 16px;
  font-size: 0.9rem; color: var(--text); font-family: inherit;
  transition: border-color 0.2s;
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-select { appearance: none; cursor: pointer; }
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-3); }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-info-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-info-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--gold-glow); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}
.contact-info-label { font-size: 0.72rem; font-weight: 700; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 4px; }
.contact-info-val { font-size: 0.9rem; color: var(--text); }

/* === Scroll Animation === */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* === Dark Divider === */
.divider { width: 60px; height: 3px; background: var(--gold); border-radius: 2px; margin: 20px 0; }
.divider--center { margin-inline: auto; }

/* === Compatibility Logos === */
.compat-strip {
  display: flex; align-items: center; gap: 24px;
  padding: 20px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-sub); border-radius: 12px;
  width: fit-content;
}
.compat-label { font-size: 0.7rem; font-weight: 700; color: var(--text-3); letter-spacing: 0.1em; text-transform: uppercase; }
.compat-sep { width: 1px; height: 24px; background: var(--border-sub); }
.compat-item {
  font-size: 0.78rem; font-weight: 700;
  color: var(--text-2); padding: 4px 10px;
  border: 1px solid var(--border-sub); border-radius: 4px;
}

/* === SVG Placeholder Visuals === */
.svg-vis { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }

/* === Breadcrumb === */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; color: var(--text-3); margin-bottom: 40px;
}
.breadcrumb a { transition: color 0.2s; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb__sep { color: var(--border); }

/* === Page not found === */
.not-found {
  min-height: 60vh; display: flex; align-items: center; justify-content: center;
  text-align: center; flex-direction: column; gap: 16px; padding-top: var(--nav-h);
}

/* === Theme Picker === */
.theme-picker { position: relative; }
.theme-picker__btn {
  width: 36px; height: 36px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer; transition: border-color 0.2s;
}
.theme-picker__btn:hover { border-color: var(--gold); }
.theme-picker__dot {
  width: 16px; height: 16px; border-radius: 50%;
  transition: background 0.3s;
}
.theme-picker__panel {
  position: absolute; top: calc(100% + 10px); right: 0;
  background: #fff; border: 1px solid rgba(0,0,0,0.10);
  border-radius: 14px; padding: 10px 12px;
  display: flex; align-items: center; gap: 8px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.13);
  opacity: 0; pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.18s, transform 0.18s;
  white-space: nowrap; z-index: 2000;
}
.theme-picker__panel.open { opacity: 1; pointer-events: all; transform: translateY(0); }
.theme-swatch {
  width: 26px; height: 26px; border-radius: 50%;
  cursor: pointer; border: 2px solid transparent;
  transition: transform 0.15s, border-color 0.15s;
  outline: none; flex-shrink: 0;
}
.theme-swatch:hover { transform: scale(1.2); }
.theme-swatch.active { border-color: #C8941A; box-shadow: 0 0 0 1px #C8941A; }
.theme-swatch-label {
  font-size: 0.68rem; font-weight: 600; color: #666;
  letter-spacing: 0.04em; padding: 0 2px;
}

/* ============================================================
   LIGHT THEME — Option B: Cream White + Deep Navy + Gold
   Activated by data-theme="light" on <html>
   ============================================================ */
[data-theme="light"] {
  --bg-deepest:  #F8F5EF;
  --bg-dark:     #F0EBE3;
  --bg-navy:     #E5DDD3;
  --bg-card:     #FFFFFF;
  --bg-card-2:   #FAF6F0;
  --bg-glass:    rgba(248, 245, 239, 0.92);

  --gold-glow:   rgba(200, 148, 26, 0.14);
  --gold-glow-h: rgba(200, 148, 26, 0.30);

  --text:        #1A2C3D;
  --text-2:      rgba(26, 44, 61, 0.65);
  --text-3:      rgba(26, 44, 61, 0.42);

  --border:      rgba(26, 44, 61, 0.14);
  --border-sub:  rgba(26, 44, 61, 0.08);
}

/* Hero: replace hardcoded dark gradient */
[data-theme="light"] .hero {
  background: radial-gradient(ellipse 120% 80% at 50% 100%, #DDD3C5 0%, var(--bg-deepest) 65%);
}
[data-theme="light"] .hero__fade {
  background: linear-gradient(90deg, var(--bg-deepest) 25%, transparent 65%);
}
[data-theme="light"] .hero__title {
  background: linear-gradient(135deg, #1A2C3D 30%, #7A5010 68%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

/* Brand story hero */
[data-theme="light"] .brand-hero-page {
  background: radial-gradient(ellipse 100% 60% at 50% 100%, #D0C4B0 0%, var(--bg-deepest) 70%);
}

/* Nav links: override hardcoded `color: var(--white)` on active/hover */
[data-theme="light"] .nav__link:hover,
[data-theme="light"] .nav__link.active { color: var(--text); }
[data-theme="light"] .btn-outline:hover { color: var(--text); }

/* Footer always stays dark — re-scope variables locally */
[data-theme="light"] .footer {
  background: #0A1628;
  --text:        #F8F5EF;
  --text-2:      rgba(248, 245, 239, 0.68);
  --text-3:      rgba(248, 245, 239, 0.44);
  --border:      rgba(200, 148, 26, 0.18);
  --border-sub:  rgba(255, 255, 255, 0.07);
  --bg-deepest:  #0A1628;
}

/* CTA dark half always stays dark */
[data-theme="light"] .cta-half:not(.cta-half--gold) {
  background: #1A2C3D;
  --text:       #F8F5EF;
  --text-2:     rgba(248, 245, 239, 0.72);
  --text-3:     rgba(248, 245, 239, 0.48);
  --border:     rgba(200, 148, 26, 0.18);
  --border-sub: rgba(255, 255, 255, 0.07);
  --gold-glow:  rgba(200, 148, 26, 0.22);
}

/* Product-badge qi2 colour on light */
[data-theme="light"] .product-badge--qi2 { background: rgba(74,122,181,0.08); }

/* Mag ring brightness bump on light bg */
[data-theme="light"] .mag-ring:nth-child(1) { border-color: var(--gold); }
[data-theme="light"] .mag-ring:nth-child(2) { border-color: rgba(200,148,26,0.55); }
[data-theme="light"] .mag-ring:nth-child(3) { border-color: rgba(200,148,26,0.32); }
[data-theme="light"] .mag-ring:nth-child(4) { border-color: rgba(200,148,26,0.16); }
[data-theme="light"] .mag-ring:nth-child(5) { border-color: rgba(200,148,26,0.07); }

/* === P1 — Warm Sand + Amber Gold === */
[data-theme="p1"] {
  --bg-deepest:  #FAF3E8;
  --bg-dark:     #F3E9D5;
  --bg-navy:     #E8DBCA;
  --bg-card:     #FFFFFF;
  --bg-card-2:   #FDF7EE;
  --bg-glass:    rgba(250, 243, 232, 0.92);
  --gold:        #A86A0A;
  --gold-light:  #C8941A;
  --gold-pale:   #E6B84E;
  --gold-glow:   rgba(168, 106, 10, 0.14);
  --gold-glow-h: rgba(168, 106, 10, 0.30);
  --text:        #2D1A00;
  --text-2:      rgba(45, 26, 0, 0.65);
  --text-3:      rgba(45, 26, 0, 0.42);
  --border:      rgba(45, 26, 0, 0.14);
  --border-sub:  rgba(45, 26, 0, 0.08);
}
[data-theme="p1"] .hero {
  background: radial-gradient(ellipse 120% 80% at 50% 100%, #E5D0B0 0%, var(--bg-deepest) 65%);
}
[data-theme="p1"] .hero__fade { background: linear-gradient(90deg, var(--bg-deepest) 25%, transparent 65%); }
[data-theme="p1"] .hero__title {
  background: linear-gradient(135deg, #2D1A00 30%, #7A4A05 68%, var(--gold) 100%);
  -webkit-background-clip: text; background-clip: text;
}
[data-theme="p1"] .brand-hero-page {
  background: radial-gradient(ellipse 100% 60% at 50% 100%, #D5C0A0 0%, var(--bg-deepest) 70%);
}

/* === P2 — Pearl Gray-White + Muted Gold === */
[data-theme="p2"] {
  --bg-deepest:  #F5F4F0;
  --bg-dark:     #ECEAE4;
  --bg-navy:     #E2E0D8;
  --bg-card:     #FFFFFF;
  --bg-card-2:   #F8F7F4;
  --bg-glass:    rgba(245, 244, 240, 0.92);
  --gold:        #8B7840;
  --gold-light:  #A89050;
  --gold-pale:   #C8B070;
  --gold-glow:   rgba(139, 120, 64, 0.14);
  --gold-glow-h: rgba(139, 120, 64, 0.28);
  --text:        #1C1C1E;
  --text-2:      rgba(28, 28, 30, 0.65);
  --text-3:      rgba(28, 28, 30, 0.42);
  --border:      rgba(28, 28, 30, 0.12);
  --border-sub:  rgba(28, 28, 30, 0.07);
}
[data-theme="p2"] .hero {
  background: radial-gradient(ellipse 120% 80% at 50% 100%, #D8D6CC 0%, var(--bg-deepest) 65%);
}
[data-theme="p2"] .hero__fade { background: linear-gradient(90deg, var(--bg-deepest) 25%, transparent 65%); }
[data-theme="p2"] .hero__title {
  background: linear-gradient(135deg, #1C1C1E 30%, #5A4A20 68%, var(--gold) 100%);
  -webkit-background-clip: text; background-clip: text;
}
[data-theme="p2"] .brand-hero-page {
  background: radial-gradient(ellipse 100% 60% at 50% 100%, #CCCAB8 0%, var(--bg-deepest) 70%);
}

/* === P4 — Mint Cream + Deep Teal === */
[data-theme="p4"] {
  --bg-deepest:  #F2F7F5;
  --bg-dark:     #E5EFEA;
  --bg-navy:     #D8E8E0;
  --bg-card:     #FFFFFF;
  --bg-card-2:   #F5FAF7;
  --bg-glass:    rgba(242, 247, 245, 0.92);
  --gold:        #C8941A;
  --gold-light:  #E6B84E;
  --gold-pale:   #F5D98A;
  --gold-glow:   rgba(200, 148, 26, 0.14);
  --gold-glow-h: rgba(200, 148, 26, 0.28);
  --text:        #0F2A20;
  --text-2:      rgba(15, 42, 32, 0.65);
  --text-3:      rgba(15, 42, 32, 0.42);
  --border:      rgba(15, 42, 32, 0.14);
  --border-sub:  rgba(15, 42, 32, 0.08);
}
[data-theme="p4"] .hero {
  background: radial-gradient(ellipse 120% 80% at 50% 100%, #C8DDD5 0%, var(--bg-deepest) 65%);
}
[data-theme="p4"] .hero__fade { background: linear-gradient(90deg, var(--bg-deepest) 25%, transparent 65%); }
[data-theme="p4"] .hero__title {
  background: linear-gradient(135deg, #0F2A20 30%, #1A5A40 68%, var(--gold) 100%);
  -webkit-background-clip: text; background-clip: text;
}
[data-theme="p4"] .brand-hero-page {
  background: radial-gradient(ellipse 100% 60% at 50% 100%, #B8D0C5 0%, var(--bg-deepest) 70%);
}

/* Shared overrides for all light themes */
:is([data-theme="light"],[data-theme="p1"],[data-theme="p2"],[data-theme="p4"]) .nav__link:hover,
:is([data-theme="light"],[data-theme="p1"],[data-theme="p2"],[data-theme="p4"]) .nav__link.active { color: var(--text); }
:is([data-theme="light"],[data-theme="p1"],[data-theme="p2"],[data-theme="p4"]) .btn-outline:hover { color: var(--text); }
:is([data-theme="p1"],[data-theme="p2"],[data-theme="p4"]) .footer {
  background: #0A1628;
  --text:       #F8F5EF; --text-2: rgba(248,245,239,0.68);
  --text-3:     rgba(248,245,239,0.44); --border: rgba(200,148,26,0.18);
  --border-sub: rgba(255,255,255,0.07); --bg-deepest: #0A1628;
}
:is([data-theme="p1"],[data-theme="p2"],[data-theme="p4"]) .cta-half:not(.cta-half--gold) {
  background: #1A2C3D;
  --text:       #F8F5EF; --text-2: rgba(248,245,239,0.72);
  --text-3:     rgba(248,245,239,0.48); --border: rgba(200,148,26,0.18);
  --border-sub: rgba(255,255,255,0.07); --gold-glow: rgba(200,148,26,0.22);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-split { grid-template-columns: 1fr; }
  .stats-bar__inner { grid-template-columns: repeat(2, 1fr); }
  .product-detail-layout { grid-template-columns: 1fr; }
  .news-featured { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .nav__right .btn { display: none; }
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.6rem; }
  .section { padding: 64px 0; }
  .hero__content { max-width: 100%; }
  .mag-rings { width: 320px; height: 320px; right: -15%; opacity: 0.5; }
  .cat-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .cta-half { padding: 56px 32px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .subcat-grid { grid-template-columns: 1fr; }
  .hero__fade { background: linear-gradient(180deg, var(--bg-deepest) 60%, transparent); }
}
@media (max-width: 480px) {
  .container { width: calc(100% - 32px); }
  .hero__ctas { flex-direction: column; }
  .btn-xl { width: 100%; justify-content: center; }
  .stats-bar__inner { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
}