:root {
      --dia-dark:    #0b0d12;
      --dia-darker:  #070810;
      --dia-gold:    #c9a84c;
      --dia-gold-lt: #e2c06a;
      --dia-white:   #f4f2ee;
      --dia-muted:   #7a7a8a;
      --dia-border:  rgba(201, 168, 76, 0.18);
    }

    /* ── Section wrapper ── */
    .gallery-section {
      background-color: var(--dia-dark);
      padding: 90px 0 100px;
      position: relative;
      overflow: hidden;
    }

    /* Subtle radial glow behind the heading */
    .gallery-section::before {
      content: '';
      position: absolute;
      top: -80px;
      left: 50%;
      transform: translateX(-50%);
      width: 700px;
      height: 400px;
      background: radial-gradient(ellipse at center, rgba(201,168,76,.10) 0%, transparent 70%);
      pointer-events: none;
    }

    /* ── Section header ── */
    .gallery-eyebrow {
      font-size: 0.72rem;
      font-weight: 600;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--dia-gold);
      margin-bottom: 12px;
    }

    .gallery-heading {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 900;
      color: var(--dia-white);
      line-height: 1.15;
      margin-bottom: 16px;
    }

    .gallery-heading span {
      color: var(--dia-gold);
    }

    .gallery-subtext {
      font-family: 'Inter', sans-serif;
      font-size: 0.95rem;
      color: var(--dia-muted);
      max-width: 460px;
    }

    /* ── View All link ── */
    .gallery-link {
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 0.08em;
      color: var(--dia-gold);
      text-decoration: none;
      border-bottom: 1px solid var(--dia-border);
      padding-bottom: 2px;
      transition: color .2s, border-color .2s;
    }
    .gallery-link:hover {
      color: var(--dia-gold-lt);
      border-color: var(--dia-gold-lt);
    }

    /* ── Swiper container ── */
    .gallery-swiper-wrap {
      position: relative;
      margin-top: 48px;
    }

    .swiper.gallery-swiper {
      padding-bottom: 52px; /* space for pagination */
    }

    /* ── Slide card ── */
    .gallery-card {
      position: relative;
      border-radius: 4px;
      overflow: hidden;
      background: var(--dia-darker);
      cursor: pointer;
      display: block;
    }

    .gallery-card img {
      width: 100%;
      height: 320px;
      object-fit: cover;
      display: block;
      transition: transform .55s cubic-bezier(.25,.46,.45,.94);
      filter: brightness(.88) saturate(.9);
    }

    .gallery-card:hover img {
      transform: scale(1.06);
      filter: brightness(.75) saturate(1.1);
    }

    /* Gold border reveal on hover */
    .gallery-card::after {
      content: '';
      position: absolute;
      inset: 0;
      border: 2px solid var(--dia-gold);
      opacity: 0;
      border-radius: 4px;
      transition: opacity .3s;
      pointer-events: none;
    }
    .gallery-card:hover::after { opacity: 1; }

    /* Caption overlay */
    .gallery-caption {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 32px 20px 18px;
      background: linear-gradient(to top, rgba(7,8,16,.92) 0%, transparent 100%);
      transform: translateY(100%);
      transition: transform .38s cubic-bezier(.25,.46,.45,.94);
    }
    .gallery-card:hover .gallery-caption { transform: translateY(0); }

    .gallery-caption-tag {
      font-size: 0.65rem;
      font-weight: 600;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--dia-gold);
      margin-bottom: 4px;
    }

    .gallery-caption-title {
      font-size: 0.88rem;
      font-weight: 500;
      color: var(--dia-white);
      line-height: 1.4;
      margin: 0;
    }

    /* ── Swiper navigation arrows ── */
    .gallery-nav {
      display: flex;
      gap: 10px;
      align-items: center;
      margin-top: 8px;
    }

    .gallery-nav-btn {
      width: 44px;
      height: 44px;
      border: 1px solid var(--dia-border);
      background: transparent;
      color: var(--dia-gold);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: background .2s, border-color .2s, color .2s;
      flex-shrink: 0;
    }
    .gallery-nav-btn:hover {
      background: var(--dia-gold);
      border-color: var(--dia-gold);
      color: var(--dia-dark);
    }
    .gallery-nav-btn svg { width: 18px; height: 18px; }

    /* ── Swiper pagination (custom gold dots) ── */
    .swiper-pagination-gallery {
      position: absolute;
      bottom: 0;
      left: 0;
      text-align: left;
    }

    .swiper-pagination-gallery .swiper-pagination-bullet {
      width: 6px;
      height: 6px;
      background: var(--dia-muted);
      opacity: 1;
      border-radius: 50%;
      transition: width .3s, background .3s, border-radius .3s;
    }

    .swiper-pagination-gallery .swiper-pagination-bullet-active {
      background: var(--dia-gold);
      width: 24px;
      border-radius: 3px;
    }

    /* ── Lightbox overlay ── */
    .dia-lightbox {
      display: none;
      position: fixed;
      inset: 0;
      z-index: 9999;
      background: rgba(7,8,16,.96);
      align-items: center;
      justify-content: center;
      padding: 20px;
    }
    .dia-lightbox.open { display: flex; }

    .dia-lightbox img {
      max-width: 90vw;
      max-height: 85vh;
      border-radius: 4px;
      object-fit: contain;
      border: 1px solid var(--dia-border);
    }

    .dia-lightbox-close {
      position: absolute;
      top: 20px;
      right: 24px;
      background: none;
      border: none;
      color: var(--dia-muted);
      font-size: 2rem;
      cursor: pointer;
      line-height: 1;
      transition: color .2s;
    }
    .dia-lightbox-close:hover { color: var(--dia-gold); }

    /* ── Responsive tweaks ── */
    @media (max-width: 767px) {
      .gallery-section { padding: 60px 0 70px; }
      .gallery-card img { height: 240px; }
    }