/* ─── FEATURES STRIP ─── */
  .features-strip { background: var(--off-white); border-top: 1px solid rgba(10,22,40,0.05); border-bottom: 1px solid rgba(10,22,40,0.05); padding: 3.5rem 3rem; }
  .features-strip-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(5,1fr); gap: 2rem; }
  .fp { text-align: center; padding: 1.5rem 1rem; border-radius: 16px; background: var(--warm-white); border: 1px solid rgba(10,22,40,0.04); transition: all 0.4s; }
  .fp:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(10,22,40,0.06); border-color: rgba(46,110,166,0.2); }
  .fp-icon { width: 48px; height: 48px; border-radius: 14px; background:var(--blue); display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; }
  .fp-icon svg { width: 20px; height: 20px; stroke: var(--white); fill: none; stroke-width: 1.8; }
  .fp h4 { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); line-height: 1.35; }

  /* ─── PRODUCT DETAIL ─── */
  .product-detail { padding: 7rem 3rem; max-width: 1200px; margin: 0 auto; }
  .pd-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 5rem; align-items: start; }
  .pd-text .overline { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--solar-gold); margin-bottom: 1rem; }
  .pd-text h2 { font-family:'Plus Jakarta Sans',sans-serif; font-size: clamp(2rem, 3.5vw, 2.8rem); line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 1.5rem; color: var(--text-primary); }
  .pd-text p { font-size: 1.05rem; line-height: 1.8; color: var(--text-secondary); margin-bottom: 1.25rem; }
  .benefit-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1.5rem; }
  .benefit-list li { display: flex; align-items: flex-start; gap: 0.75rem; font-size: 0.95rem; line-height: 1.6; color: var(--text-secondary); }
  .benefit-list .check { width: 22px; height: 22px; border-radius: 50%; background: var(--poly-blue-light); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
  .benefit-list .check svg { width: 12px; height: 12px; stroke: var(--poly-blue); fill: none; stroke-width: 2.5; }

  .pd-image { position: sticky; top: 100px; }
  .pd-image-frame { background: var(--off-white); border-radius: 20px; overflow: hidden; border: 1px solid rgba(10,22,40,0.06); box-shadow: 0 20px 50px rgba(10,22,40,0.08); }
  .pd-image-frame img { width: 100%; display: block; }

  /* ─── CELL CONFIGS ─── */
  .configs { background:var(--blue); padding: 7rem 3rem; position: relative; overflow: hidden; }
  .configs::before { content:''; position: absolute; inset: 0; background-image: linear-gradient(rgba(168,196,224,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(168,196,224,0.03) 1px, transparent 1px); background-size: 60px 60px; }
  .configs-inner { max-width: 1200px; margin: 0 auto; position: relative; z-index: 2; }
  .configs .section-header { text-align: center; margin-bottom: 4rem; }
  .configs .section-header .overline { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--solar-gold); margin-bottom: 0.75rem; }
  .configs .section-header h2 { font-family:'Plus Jakarta Sans',sans-serif; font-size: clamp(2rem,3.5vw,2.8rem); color: var(--off-white); letter-spacing: -0.02em; }

  .config-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
  .config-card {
    background: rgba(168,196,224,0.05);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s;
  }
  .config-card:hover { transform: translateY(-4px); border-color: rgba(232,169,23,0.2); box-shadow: 0 16px 40px rgba(0,0,0,0.2); }
  .config-card-img {
    padding: 2rem;
    display: flex; align-items: center; justify-content: center;
    min-height: 220px;
    background: rgba(102,157,187,0.3);
    position: relative;
  }
  .config-card-img img { max-height: 190px; max-width: 100%; object-fit: contain; transition: transform 0.4s; }
  .config-card:hover .config-card-img img { transform: scale(1.04); }
  .config-card-badge {
    position: absolute; top: 1rem; left: 1rem;
    font-size: 0.62rem; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
    padding: 0.25rem 0.7rem; border-radius: 100px;
    background: rgba(46,110,166,0.2); color: var(--light-blue);
  }
  .config-card-body { padding: 1.75rem 2rem 2rem; }
  .config-card-body h3 { font-family:'Plus Jakarta Sans',sans-serif; font-size: 1.3rem; color: var(--off-white); margin-bottom: 0.4rem; }
  .config-card-body .desc { font-size: 0.88rem; line-height: 1.6; color: var(--light-blue); opacity: 0.8; margin-bottom: 1.25rem; }
  .config-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
  .config-spec { padding: 0.75rem; background: rgba(168,196,224,0.06); border-radius: 10px; }
  .config-spec .val { font-family:'Plus Jakarta Sans',sans-serif; font-size: 1.1rem; color:#fff; line-height: 1; }
  .config-spec .lbl { font-size: 0.7rem; color: var(--light-blue); opacity: 0.7; margin-top: 0.2rem; font-weight: 500; letter-spacing: 0.03em; }

  /* ─── SPEC SHEETS ─── */
  .spec-sheets { padding: 7rem 3rem; max-width: 1200px; margin: 0 auto; }
  .spec-sheets .section-header { text-align: center; margin-bottom: 3.5rem; }
  .spec-sheets .section-header .overline { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--solar-gold); margin-bottom: 0.75rem; }
  .spec-sheets .section-header h2 { font-family:'Plus Jakarta Sans',sans-serif; font-size: clamp(2rem,3.5vw,2.8rem); letter-spacing: -0.02em; color: var(--text-primary); }
  .sheets-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
  .sheet-card {
    background: var(--off-white); border-radius: 20px; padding: 2rem;
    border: 1px solid rgba(10,22,40,0.06); transition: all 0.4s;
  }
  .sheet-card:hover { box-shadow: 0 12px 30px rgba(10,22,40,0.08); transform: translateY(-2px); }
  .sheet-card .label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-secondary); margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
  .sheet-card .label svg { width: 14px; height: 14px; stroke: var(--solar-gold); fill: none; stroke-width: 2; }
  .sheet-card img { width: 100%; border-radius: 12px; display: block; }

  /* ─── OTHER PRODUCTS ─── */
  .other-products { padding: 7rem 3rem; max-width: 1200px; margin: 0 auto; background: var(--off-white); border-radius: 0; }
  .other-products-wrap { background: var(--off-white); padding: 7rem 3rem; }
  .other-products-inner { max-width: 1200px; margin: 0 auto; }
  .other-products-inner .section-header { text-align: center; margin-bottom: 3.5rem; }
  .other-products-inner .section-header .overline { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--solar-gold); margin-bottom: 0.75rem; }
  .other-products-inner .section-header h2 { font-family:'Plus Jakarta Sans',sans-serif; font-size: clamp(2rem,3.5vw,2.8rem); letter-spacing: -0.02em; color: var(--text-primary); }
  .op-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
  .op-card {
    background: var(--warm-white); border-radius: 20px; padding: 2rem;
    border: 1px solid rgba(10,22,40,0.05); text-decoration: none; color: var(--text-primary);
    transition: all 0.4s; position: relative; overflow: hidden; display: flex; flex-direction: column;
  }
  .op-card::before { content:''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg,var(--solar-gold),transparent); opacity: 0; transition: opacity 0.4s; }
  .op-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(10,22,40,0.1); }
  .op-card:hover::before { opacity: 1; }
  .op-card .pc-badge { display: inline-block; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.3rem 0.8rem; border-radius: 100px; margin-bottom: 1rem; background: rgba(27,58,92,0.08); color: var(--slate); width: fit-content; }
  .op-card h3 { font-family:'Plus Jakarta Sans',sans-serif; font-size: 1.3rem; margin-bottom: 0.5rem; }
  .op-card p { font-size: 0.88rem; line-height: 1.6; color: var(--text-secondary); flex-grow: 1; }
  .op-card .pc-power { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid rgba(10,22,40,0.06); font-family:'Plus Jakarta Sans',sans-serif; font-size: 1.4rem; color:var(--blue); }
  .op-card .pc-power span { font-family:'Plus Jakarta Sans',sans-serif; font-size: 0.78rem; color: var(--text-secondary); font-weight: 500; }
  .op-card .arrow { position: absolute; top: 2rem; right: 2rem; width: 32px; height: 32px; border-radius: 50%; background: var(--off-white); display: flex; align-items: center; justify-content: center; transition: all 0.3s; }
  .op-card:hover .arrow { background: var(--solar-gold); }
  .op-card .arrow svg { width: 14px; height: 14px; stroke: var(--text-secondary); fill: none; stroke-width: 2; transition: stroke 0.3s; }
  .op-card:hover .arrow svg { stroke: var(--deep-navy); }

  /* ─── CTA ─── */
  .cta-band { background: var(--deep-navy); padding: 5rem 3rem; text-align: center; position: relative; overflow: hidden; }
  .cta-band::before { content:''; position: absolute; inset: 0; background: radial-gradient(ellipse 50% 80% at 50% 50%,rgba(232,169,23,0.08),transparent); }
  .cta-inner { position: relative; z-index: 2; max-width: 700px; margin: 0 auto; }
  .cta-inner h2 { font-family:'Plus Jakarta Sans',sans-serif; font-size: clamp(1.8rem,3vw,2.6rem); color: var(--off-white); margin-bottom: 1rem; letter-spacing: -0.02em; }
  .cta-inner p { color: var(--light-blue); font-size: 1.05rem; line-height: 1.7; margin-bottom: 2rem; }
  .cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }



  .reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.16,1,0.3,1); }
  .reveal.visible { opacity: 1; transform: translateY(0); }

  @media (max-width:1024px) { .config-cards { grid-template-columns: 1fr 1fr; } .features-strip-inner { grid-template-columns: repeat(3,1fr); } }
  @media (max-width:900px) {
    .nav { padding: 1rem 1.5rem; } .nav-links { display: none; }
    .hero-content { grid-template-columns: 1fr; padding: 7rem 1.5rem 4rem; gap: 2rem; }
    .hero-product { order: -1; } .hero-product img { max-height: 260px; } .hero-crystal { display: none; }
    .features-strip { padding: 2.5rem 1.5rem; } .features-strip-inner { grid-template-columns: repeat(2,1fr); }
    .product-detail { padding: 5rem 1.5rem; } .pd-grid { grid-template-columns: 1fr; gap: 3rem; } .pd-image { position: static; }
    .configs { padding: 5rem 1.5rem; } .config-cards { grid-template-columns: 1fr; }
    .spec-sheets { padding: 5rem 1.5rem; } .sheets-grid { grid-template-columns: 1fr; }
    .other-products-wrap { padding: 5rem 1.5rem; } .op-cards { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .cta-band { padding: 3.5rem 1.5rem; }
  }
  @media (max-width:600px) {
    .features-strip-inner { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
    .hero-actions { flex-direction: column; }
    .config-specs { grid-template-columns: 1fr; }
  }