/* ═══════════════════════════════════════════════════════
   AQUA ENTERPRISE — Premium Tiles Section
   ═══════════════════════════════════════════════════════ */

/* ── Section Container ── */
.premium-tiles {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-bg-primary) 0%, #051225 50%, var(--color-bg-primary) 100%);
}

.premium-tiles .container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}

/* ── Section Header ── */
.premium-tiles__header {
  text-align: center;
  margin-bottom: clamp(3rem, 5vw, 4.5rem);
}

.premium-tiles__label {
  font-family: var(--ff-accent);
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  color: var(--color-accent-secondary);
  margin-bottom: 1rem;
  display: block;
}

.premium-tiles__title {
  font-family: var(--ff-display);
  font-size: var(--font-h1);
  color: var(--color-text-primary);
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.premium-tiles__title span {
  color: var(--color-accent-light);
  font-style: italic;
}

.premium-tiles__subtitle {
  font-family: var(--ff-body);
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}



/* ── Brand Description Cards ── */
.premium-tiles__brands {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: clamp(3rem, 5vw, 5rem);
}

.premium-tiles__brand-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-medium);
  background: var(--color-bg-secondary);
  aspect-ratio: 3 / 2; /* Matches the 1536x1024 original photo dimensions */
}

.premium-tiles__brand-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(0, 180, 216, 0.4);
}

.premium-tiles__brand-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 1.2s ease;
}

.premium-tiles__brand-card:hover .premium-tiles__brand-img {
  transform: scale(1.05);
}


/* ── PDF Catalog Section — Homeplus Style ── */
.premium-tiles__catalogs-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.premium-tiles__catalogs-title {
  font-family: var(--ff-display);
  font-size: var(--font-h2);
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
}

.premium-tiles__catalogs-sub {
  font-family: var(--ff-body);
  font-size: var(--font-body);
  color: var(--color-text-secondary);
}

/* ── Each PDF Catalog Block — Embedded Preview with Description ── */
.premium-tiles__catalog-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  margin-bottom: clamp(3rem, 5vw, 5rem);
}

.premium-tiles__catalog-block:nth-child(even) {
  direction: rtl;
}

.premium-tiles__catalog-block:nth-child(even) > * {
  direction: ltr;
}

/* PDF Preview Frame — Replicating About page style */
.premium-tiles__pdf-preview {
  position: relative;
  width: 100%;
  height: 550px;
  border-radius: var(--glass-radius);
  overflow: hidden;
  background: #040d1a;
  border: 1px solid var(--color-border);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.premium-tiles__pdf-iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: white;
  display: block;
}

/* Enlarge View Button — Same as About Page */
.premium-tiles__enlarge-btn {
  position: absolute;
  bottom: 25px;
  right: 25px;
  background: var(--color-accent-primary);
  color: white;
  padding: 0.9rem 1.5rem;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--ff-accent);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  transition: all var(--transition-fast);
  z-index: 10;
  border: none;
  cursor: pointer;
}

.premium-tiles__enlarge-btn:hover {
  transform: translateY(-5px) scale(1.02);
  background: var(--color-accent-secondary);
  box-shadow: var(--shadow-glow);
}

.premium-tiles__enlarge-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* PDF Info Block */
.premium-tiles__pdf-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.premium-tiles__pdf-label {
  font-family: var(--ff-accent);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--color-accent-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.premium-tiles__pdf-label::before {
  content: '';
  display: inline-block;
  width: 30px;
  height: 2px;
  background: var(--color-accent-secondary);
}

.premium-tiles__pdf-name {
  font-family: var(--ff-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  color: var(--color-text-primary);
  line-height: 1.15;
}

.premium-tiles__pdf-desc {
  font-family: var(--ff-body);
  font-size: var(--font-body);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.premium-tiles__pdf-meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.premium-tiles__pdf-meta-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--ff-body);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.premium-tiles__pdf-meta-item svg {
  width: 16px;
  height: 16px;
  fill: var(--color-accent-secondary);
  flex-shrink: 0;
}

.premium-tiles__pdf-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.premium-tiles__btn-view {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
  color: white;
  font-family: var(--ff-accent);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 6px 20px rgba(0, 119, 182, 0.3);
}

.premium-tiles__btn-view:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 119, 182, 0.45);
  filter: brightness(1.1);
}

.premium-tiles__btn-view svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.premium-tiles__btn-download {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: 50px;
  background: transparent;
  color: var(--color-accent-light);
  font-family: var(--ff-accent);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid rgba(0, 180, 216, 0.3);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.premium-tiles__btn-download:hover {
  background: rgba(0, 180, 216, 0.1);
  border-color: var(--color-accent-secondary);
  transform: translateY(-2px);
}

.premium-tiles__btn-download svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ── Ambient Background Glow ── */
.premium-tiles__glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

.premium-tiles__glow--1 {
  top: 10%;
  left: -8%;
  background: var(--color-accent-primary);
}

.premium-tiles__glow--2 {
  bottom: 15%;
  right: -5%;
  background: var(--color-accent-glow);
}

/* ── All content above glows ── */
.premium-tiles .container {
  position: relative;
  z-index: 1;
}

/* ── Section Divider between catalogs ── */
.premium-tiles__divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent-secondary), transparent);
  margin: 0 auto clamp(3rem, 5vw, 5rem);
  opacity: 0.5;
}

/* ═══════════════════════════════════════════════════════
   PREMIUM TILES — RESPONSIVE
   ═══════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .premium-tiles__brands {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .premium-tiles__slideshow {
    aspect-ratio: 16/9;
    border-radius: 14px;
  }

  .premium-tiles__brands {
    grid-template-columns: 1fr;
  }

  .premium-tiles__catalog-block,
  .premium-tiles__catalog-block:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .premium-tiles__pdf-preview {
    height: 450px;
  }

  .premium-tiles__pdf-preview .premium-tiles__pdf-iframe {
    height: 800px;
  }

  .premium-tiles__pdf-preview {
    overflow: auto;
    -webkit-overflow-scrolling: touch;
  }

  .premium-tiles__slide-caption {
    bottom: 1.2rem;
    left: 1.5rem;
    font-size: 1rem;
  }

  .premium-tiles__controls {
    bottom: 1rem;
    right: 1rem;
  }

  .premium-tiles__nav-btn {
    width: 38px;
    height: 38px;
  }

  .premium-tiles__dots {
    bottom: 1.2rem;
  }
}

@media (max-width: 480px) {
  .premium-tiles__slideshow {
    aspect-ratio: 4/3;
    border-radius: 12px;
  }

  .premium-tiles__pdf-preview {
    height: 380px;
  }

  .premium-tiles__pdf-buttons {
    flex-direction: column;
  }

  .premium-tiles__btn-view,
  .premium-tiles__btn-download {
    width: 100%;
    justify-content: center;
  }
}