/* IBC Master — Section One (Hero slideshow) */

:root {
  --ibc-navy:         #0d2137;
  --ibc-navy-dark:    #081525;
  --ibc-blue:         #004fa3;
  --ibc-blue-hover:   #003d7a;
  --ibc-blue-light:   #6ba3e0;
  --ibc-grey-100:     #f4f6f8;
  --ibc-grey-600:     #4a5568;
  --ibc-white:        #ffffff;
  --ibc-font:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.section-one {
  font-family: var(--ibc-font);
  background: var(--ibc-navy-dark);
}

.hero {
  position: relative;
  overflow: hidden;
  --hero-overlay-r: 8;
  --hero-overlay-g: 21;
  --hero-overlay-b: 37;
  --hero-overlay-opacity: 0.92;
}

.hero__viewport {
  position: relative;
  width: 100%;
  min-height: 420px;
}

.hero__track {
  display: flex;
  transition: transform 0.55s ease;
}

.hero__slide {
  flex: 0 0 100%;
  min-height: 420px;
  display: flex;
  align-items: center;
  position: relative;
  background-color: var(--ibc-navy);
  background-size: cover;
  background-position: center;
}

.hero__slide::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(var(--hero-overlay-r), var(--hero-overlay-g), var(--hero-overlay-b), var(--hero-overlay-opacity)) 0%,
    rgba(var(--hero-overlay-r), var(--hero-overlay-g), var(--hero-overlay-b), calc(var(--hero-overlay-opacity) * 0.78)) 45%,
    rgba(var(--hero-overlay-r), var(--hero-overlay-g), var(--hero-overlay-b), calc(var(--hero-overlay-opacity) * 0.38)) 100%
  );
}

.hero__slide--safety {
  background-image:
    linear-gradient(135deg, rgba(0, 79, 163, 0.15), transparent 60%),
    url('../images/hero/slide4-v1.jpg');
  background-color: #1a3a5c;
}

.hero__slide--cutting {
  background-image:
    linear-gradient(135deg, rgba(0, 79, 163, 0.12), transparent 60%),
    url('../images/hero/cutting-tool-at-metal-working.webp');
  background-color: #243447;
}

.hero__slide--catalog {
  background-image:
    linear-gradient(135deg, rgba(0, 79, 163, 0.18), transparent 60%),
    url('../images/hero/stock-photo-milling-and-drilling-cutter-tools.webp');
  background-color: #0d2137;
}

.hero__slide--custom {
  background-color: #0d2137;
}

.hero__slide-link {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 56px 24px;
}

.hero__eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 10px;
  background: rgba(0, 79, 163, 0.35);
  border: 1px solid rgba(107, 163, 224, 0.4);
  border-radius: 3px;
  color: var(--ibc-blue-light);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__title {
  margin: 0 0 16px;
  max-width: 640px;
  color: var(--ibc-white);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
}

.hero__text {
  margin: 0 0 28px;
  max-width: 520px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1rem;
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.hero__btn--primary {
  background: var(--ibc-blue);
  color: var(--ibc-white);
  border: 2px solid var(--ibc-blue);
}

.hero__btn--primary:hover {
  background: var(--ibc-blue-hover);
  border-color: var(--ibc-blue-hover);
}

.hero__btn--secondary {
  background: transparent;
  color: var(--ibc-white);
  border: 2px solid rgba(255, 255, 255, 0.45);
}

.hero__btn--secondary:hover {
  border-color: var(--ibc-white);
  background: rgba(255, 255, 255, 0.08);
}

.hero__controls {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.hero__arrow {
  pointer-events: auto;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 21, 37, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  color: var(--ibc-white);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.hero__arrow:hover {
  background: var(--ibc-blue);
  border-color: var(--ibc-blue);
}

.hero__arrow--prev { left: 16px; }
.hero__arrow--next { right: 16px; }

.hero__arrow svg {
  width: 18px;
  height: 18px;
}

.hero__dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  pointer-events: auto;
  z-index: 2;
}

.hero__dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}

.hero__dot.is-active {
  background: var(--ibc-blue);
  transform: scale(1.15);
}

.hero__dot:hover { background: var(--ibc-blue-light); }

.hero__trust {
  background: var(--ibc-grey-100);
  border-bottom: 1px solid #e2e8ee;
}

.hero__trust-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 24px 40px;
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ibc-grey-600);
  font-size: 0.8125rem;
  font-weight: 600;
}

.hero__trust-item svg {
  flex-shrink: 0;
  color: var(--ibc-blue);
}

@media (max-width: 768px) {
  .hero__viewport,
  .hero__slide {
    min-height: 360px;
  }

  .hero__content {
    padding: 40px 20px 56px;
  }

  .hero__arrow { display: none; }

  .hero__trust-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__track { transition: none; }
}

/* ── Shop by Category ────────────────────────────────────────── */

.categories {
  background: var(--ibc-white);
  border-bottom: 1px solid #e2e8ee;
}

.categories__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 24px 36px;
}

.categories__header {
  margin-bottom: 24px;
}

.categories__title {
  margin: 0 0 6px;
  color: var(--ibc-navy);
  font-size: 1.375rem;
  font-weight: 700;
}

.categories__subtitle {
  margin: 0;
  color: var(--ibc-grey-600);
  font-size: 0.9375rem;
}

.categories__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: 0;
  overflow: hidden;
  background: var(--ibc-white);
  border: 1px solid #e2e8ee;
  border-radius: 6px;
  text-decoration: none;
  color: var(--ibc-navy);
  text-align: center;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.category-card:hover {
  border-color: var(--ibc-blue);
  box-shadow: 0 4px 16px rgba(0, 79, 163, 0.12);
  transform: translateY(-2px);
}

.category-card:focus-visible {
  outline: 2px solid var(--ibc-blue);
  outline-offset: 2px;
}

.category-card__media {
  display: block;
  aspect-ratio: 4 / 3;
  background: #1a2533;
  overflow: hidden;
}

.category-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s ease;
}

.category-card:hover .category-card__media img {
  transform: scale(1.04);
}

.category-card__name {
  padding: 12px 14px;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
}

@media (max-width: 1024px) {
  .categories__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .categories__inner {
    padding: 32px 16px 28px;
  }

  .categories__grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .category-card:hover {
    transform: none;
  }
}

/* ── Shop by Brand ───────────────────────────────────────────── */

.brands {
  background: var(--ibc-white);
  border-bottom: 1px solid #e2e8ee;
}

.brands__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 24px 48px;
}

.brands__header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 24px;
  margin-bottom: 28px;
}

.brands__title {
  margin: 0 0 6px;
  color: var(--ibc-navy);
  font-size: 1.375rem;
  font-weight: 700;
}

.brands__subtitle {
  margin: 0;
  color: var(--ibc-grey-600);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.brands__all {
  flex-shrink: 0;
  color: var(--ibc-blue);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.15s;
}

.brands__all:hover {
  color: var(--ibc-blue-hover);
  text-decoration: underline;
}

.brands__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.brands__grid li {
  min-width: 0;
}

.brand-card {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 88px;
  padding: 16px 20px;
  background: var(--ibc-grey-100);
  border: 1px solid #e2e8ee;
  border-radius: 6px;
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s, background 0.15s;
}

.brand-card:hover {
  background: var(--ibc-white);
  border-color: var(--ibc-blue);
  box-shadow: 0 4px 16px rgba(0, 79, 163, 0.1);
  transform: translateY(-2px);
}

.brand-card:focus-visible {
  outline: 2px solid var(--ibc-blue);
  outline-offset: 2px;
}

.brand-card img {
  display: block;
  max-width: 100%;
  max-height: 48px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.brand-card:hover img,
.brand-card:focus-visible img {
  transform: scale(1.03);
}

@media (max-width: 1024px) {
  .brands__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .brands__inner {
    padding: 32px 16px 40px;
  }

  .brands__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .brands__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .brand-card {
    height: 76px;
    padding: 12px 14px;
  }

  .brand-card img {
    max-height: 40px;
  }
}

@media (max-width: 480px) {
  .brands__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand-card,
  .brand-card img {
    transition: none;
  }

  .brand-card:hover {
    transform: none;
  }
}

/* ── Brand logo carousel (below grid) ─────────────────────────── */

.brands__carousel {
  --brands-carousel-duration: 48s;
  margin-top: 48px;
  padding: 28px 24px;
  position: relative;
  background: #e6ebf0;
  border: 1px solid #d4dce6;
  border-radius: 12px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.65) inset,
    0 8px 24px rgba(8, 21, 37, 0.07);
}

.brands__carousel-viewport {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    #000 6%,
    #000 94%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    #000 6%,
    #000 94%,
    transparent 100%
  );
}

.brands__carousel-track {
  display: flex;
  width: max-content;
  animation: brands-carousel-scroll var(--brands-carousel-duration) linear infinite;
  will-change: transform;
}

.brands__carousel:hover .brands__carousel-track,
.brands__carousel:focus-within .brands__carousel-track {
  animation-play-state: paused;
}

.brands__carousel-group {
  display: flex;
  align-items: stretch;
  gap: 12px;
  padding-right: 12px;
  flex-shrink: 0;
}

.brand-carousel__item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 168px;
  height: 68px;
  padding: 14px 18px;
  background: var(--ibc-white);
  border: 1px solid #d8e0e8;
  border-radius: 8px;
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(8, 21, 37, 0.05);
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s, transform 0.15s;
}

.brand-carousel__item:hover {
  background: var(--ibc-white);
  border-color: var(--ibc-blue);
  box-shadow: 0 6px 18px rgba(0, 79, 163, 0.12);
  transform: translateY(-1px);
}

.brand-carousel__item:focus-visible {
  outline: 2px solid var(--ibc-blue);
  outline-offset: 2px;
}

.brand-carousel__item img {
  display: block;
  max-width: 100%;
  max-height: 36px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.brand-carousel__item--all {
  flex-direction: column;
  gap: 4px;
  width: 148px;
  background: linear-gradient(135deg, var(--ibc-navy) 0%, #0d2844 100%);
  border-color: transparent;
  color: var(--ibc-white);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.25;
  text-align: center;
}

.brand-carousel__item--all:hover {
  background: linear-gradient(135deg, var(--ibc-blue) 0%, var(--ibc-blue-hover) 100%);
  border-color: transparent;
  box-shadow: 0 6px 20px rgba(0, 79, 163, 0.25);
}

.brand-carousel__all-label {
  display: block;
}

.brand-carousel__all-arrow {
  display: block;
  font-size: 1rem;
  line-height: 1;
  opacity: 0.85;
  transition: transform 0.15s ease;
}

.brand-carousel__item--all:hover .brand-carousel__all-arrow {
  transform: translateX(3px);
}

@keyframes brands-carousel-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (max-width: 768px) {
  .brands__carousel {
    margin-top: 40px;
    padding: 22px 16px;
    border-radius: 10px;
  }

  .brand-carousel__item {
    width: 140px;
    height: 60px;
    padding: 12px 14px;
  }

  .brand-carousel__item img {
    max-height: 32px;
  }

  .brand-carousel__item--all {
    width: 128px;
    font-size: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .brands__carousel-viewport {
    overflow-x: auto;
    -webkit-mask-image: none;
    mask-image: none;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
  }

  .brands__carousel-track {
    animation: none;
  }

  .brands__carousel-group + .brands__carousel-group {
    display: none;
  }

  .brand-carousel__item {
    scroll-snap-align: start;
  }

  .brand-carousel__all-arrow {
    transition: none;
  }

  .brand-carousel__item--all:hover .brand-carousel__all-arrow {
    transform: none;
  }

  .brand-carousel__item:hover {
    transform: none;
  }
}