/* ============================================
   東光化学 WordPress Theme - Products Section
   Product grids, cards & promo layouts
   ============================================ */

/* ── Promo Grid (3-column layout) ── */
.promo-grid {
  padding: var(--space-16) 0;
}

.promo-grid__row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.promo-grid__row:last-child {
  margin-bottom: 0;
}

/* ── Product Showcase Section ── */
.product-showcase {
  padding: var(--space-20) 0;
  background: var(--bg-light);
}

.product-showcase__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

/* Smaller product card for grid */
.product-card--sm {
  min-height: auto;
}

.product-card--sm .product-card__image {
  aspect-ratio: 4/3;
}

.product-card--sm .product-card__title {
  font-size: var(--text-lg);
}

/* ── Features Row ── */
.features-row {
  padding: var(--space-16) 0;
  background: var(--white);
}

.features-row__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.feature-item {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
}

.feature-item:hover {
  background: var(--bg-light);
  transform: translateY(-4px);
}

.feature-item__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: var(--radius-xl);
  font-size: var(--text-3xl);
  color: var(--accent);
}

.feature-item__title {
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-3);
  color: var(--text-dark);
}

.feature-item__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
}

/* ── Campaign / Service Banner (3-column carousel-like) ── */
.campaign-section {
  padding: var(--space-16) 0;
  background: var(--primary);
  color: var(--white);
}

.campaign-section .section-title__heading {
  color: var(--white);
}

.campaign-section .section-title__desc {
  color: var(--text-on-dark-muted);
}

.campaign-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.campaign-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
}

.campaign-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 160, 170, 0.2);
}

.campaign-card__bg {
  position: absolute;
  inset: 0;
}

.campaign-card__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.campaign-card:hover .campaign-card__bg img {
  transform: scale(1.08);
}

.campaign-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.7) 100%);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.campaign-card__label {
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: var(--space-2);
}

.campaign-card__title {
  font-size: var(--text-2xl);
  font-weight: var(--fw-bold);
  color: var(--white);
  margin-bottom: var(--space-2);
}

.campaign-card__desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.75);
  line-height: var(--lh-relaxed);
}

/* ── News Section ── */
.news-section {
  padding: var(--space-20) 0;
  background: var(--white);
}

.news-section__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16);
  align-items: start;
}

.news-section__header {
  position: sticky;
  top: calc(var(--header-height) + var(--space-8));
}

.news-section__header .section-title {
  text-align: left;
  margin-bottom: var(--space-6);
}

.news-section__list {
  display: flex;
  flex-direction: column;
}

/* ── CTA Banner ── */
.cta-banner {
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, var(--accent) 0%, #007080 100%);
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.cta-banner__heading {
  font-size: var(--text-4xl);
  font-weight: var(--fw-bold);
  color: var(--white);
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}

.cta-banner__desc {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.cta-banner .btn {
  position: relative;
  z-index: 1;
}

/* ── Footer ── */
.footer {
  background: var(--primary);
  color: var(--text-on-dark);
  padding-top: var(--space-16);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__brand {
  padding-right: var(--space-8);
}

.footer__brand-logo {
  margin-bottom: var(--space-5);
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  color: var(--accent-light);
  letter-spacing: var(--ls-wide);
  margin-bottom: var(--space-1);
}

.footer__brand-sub {
  font-size: var(--text-xs);
  color: var(--text-on-dark-muted);
  letter-spacing: var(--ls-wide);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--text-on-dark-muted);
  line-height: var(--lh-relaxed);
  margin-top: var(--space-5);
}

.footer__contact-info {
  margin-top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-on-dark-muted);
}

.footer__contact-item svg {
  flex-shrink: 0;
  color: var(--accent);
}

.footer__column-title {
  font-size: var(--text-sm);
  font-weight: var(--fw-bold);
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--text-on-dark-muted);
  transition: all var(--duration-fast) var(--ease-out);
}

.footer__link:hover {
  color: var(--accent-light);
  padding-left: var(--space-2);
}

.footer__bottom {
  padding: var(--space-6) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--text-on-dark-muted);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-on-dark-muted);
  font-size: var(--text-lg);
  transition: all var(--duration-normal) var(--ease-out);
}

.footer__social-link:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
  transform: translateY(-3px);
}

/* ── Brand Logos Strip ── */
.brand-strip {
  padding: var(--space-12) 0;
  background: var(--bg-light);
}

.brand-strip__grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
  flex-wrap: wrap;
}

.brand-strip__item {
  opacity: 0.4;
  transition: opacity var(--duration-normal) var(--ease-out);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--fw-bold);
  color: var(--text-dark);
  letter-spacing: var(--ls-wide);
}

.brand-strip__item:hover {
  opacity: 1;
}