/* ═══════════════════════════════════════════════════════════
       BASE — copied verbatim from backup.css to preserve sizing
    ═══════════════════════════════════════════════════════════ */
    html, body { max-width: 100%; overflow-x: hidden; }
    *, .text-card { font-family: Arial, sans-serif; }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body { background-color: #f8f9fa; overflow-x: hidden; margin-top: 80px; }
    #GeM-logo { width: 100%; background: #d9d9d9; }
    #GeM-logo img { width: 260px; height: 85px; margin: auto; display: flex; justify-content: center; padding: 10px 0; }
    .floating-icons { position: fixed; bottom: 90px; right: 25px; display: flex; flex-direction: column; align-items: center; gap: 15px; z-index: 999; }
    .icon-btn { width: 55px; height: 55px; border-radius: 50%; background: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 20px rgba(0,0,0,.08); transition: .3s ease; }
    .icon-btn:hover { transform: translateY(-3px); }
    .whatsapp-icon img { width: 28px; height: 28px; }
    .call-icon { color: #0066cc; }
    .scroll-top { position: fixed; bottom: 30px; right: 25px; width: 44px; height: 44px; background: #0a5a78; color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 22px; cursor: pointer; opacity: 0; transition: opacity .3s; z-index: 999; text-decoration: none; }
    .scroll-top.show { opacity: 1; }

    /* ═══════════════════════════════════════════════════════════
       MAIN CONTENT STYLES — DRS theme (Navy-Teal, same sizing)
       Font sizes match backup page exactly:
         bk-title → clamp(1.8rem,3vw,2.6rem)
         bk-lead  → 16px
         body text → 14–15px
    ═══════════════════════════════════════════════════════════ */
    main, main * { box-sizing: border-box; }
    main {
      font-family: 'Plus Jakarta Sans', 'Segoe UI', Arial, sans-serif;
      color: #1e2d3d;
      background: #fff;
      font-size: 1rem;

      /* DRS colour palette */
      --navy:    #0c1e2e;
      --navy2:   #0d2a3e;
      --teal:    #0a5a78;
      --teal2:   #0d7099;
      --teal3:   #5dd6f5;
      --green:   #2dd6a0;
      --offwhite:#f0f7fa;
      --border:  #d0e8f0;
      --muted:   #4b6070;
      --slate:   #0c2b3e;
      --sh:      0 4px 24px rgba(10,90,120,.10);
      --shh:     0 12px 40px rgba(10,90,120,.18);
      --r:       14px;
      --rlg:     22px;
    }

    /* scroll reveal — same classes as backup page */
    .bk-reveal { opacity:0; transform:translateY(32px); transition:opacity .7s ease,transform .7s ease; }
    .bk-reveal.visible { opacity:1; transform:translateY(0); }
    .bk-reveal.d1{transition-delay:.1s} .bk-reveal.d2{transition-delay:.2s}
    .bk-reveal.d3{transition-delay:.3s} .bk-reveal.d4{transition-delay:.4s}
    .bk-reveal.d5{transition-delay:.5s}

    /* shared helpers */
    .bk-inner { max-width:1200px; margin:0 auto; }
    .bk-tag { display:inline-block; background:rgba(10,90,120,.1); color:var(--teal); font-size:12px; font-weight:700; letter-spacing:.1em; text-transform:uppercase; padding:5px 14px; border-radius:999px; margin-bottom:14px; }
    .bk-title { font-family:'Sora',sans-serif; font-size:clamp(1.8rem,3vw,2.6rem); color:var(--slate); margin:0 0 16px; line-height:1.25; }
    .bk-lead { color:var(--muted); font-size:16px; line-height:1.75; max-width:640px; margin-bottom:40px; }
    .bk-btn-primary { background:var(--teal); color:#fff; padding:14px 28px; border-radius:8px; font-weight:700; font-size:15px; text-decoration:none; display:inline-block; transition:background .2s,transform .2s; box-shadow:0 4px 18px rgba(10,90,120,.35); }
    .bk-btn-primary:hover { background:var(--teal2); transform:translateY(-2px); }
    .bk-btn-outline { background:transparent; color:#fff; padding:13px 28px; border-radius:8px; font-weight:600; font-size:15px; text-decoration:none; border:2px solid rgba(255,255,255,.3); display:inline-block; transition:all .2s; }
    .bk-btn-outline:hover { border-color:var(--teal3); background:rgba(93,214,245,.08); }

    /* ── HERO ── */
    .bk-hero { background:var(--navy); background-image:radial-gradient(ellipse 800px 500px at 80% 40%,rgba(10,90,120,.4) 0%,transparent 70%),radial-gradient(ellipse 400px 400px at 5% 80%,rgba(10,90,120,.15) 0%,transparent 70%); padding:90px 40px 100px; position:relative; overflow:hidden; }
    .bk-hero::before { content:''; position:absolute; inset:0; background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px); background-size:55px 55px; pointer-events:none; }
    .bk-hero-inner { max-width:1200px; margin:0 auto; display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; position:relative; z-index:1; }
    .bk-hero-badge { display:inline-flex; align-items:center; gap:8px; background:rgba(10,90,120,.35); border:1px solid rgba(93,214,245,.4); color:var(--teal3); font-size:12px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; padding:6px 16px; border-radius:999px; margin-bottom:22px; }
    .bk-hero-badge::before { content:'●'; font-size:7px; }
    .bk-hero h1 { font-family:'Sora',sans-serif; font-size:clamp(2rem,3.8vw,3.2rem); line-height:1.2; color:#fff; margin:0 0 22px; }
    .bk-hero h1 em { font-style:italic; color:var(--teal3); }
    .bk-hero-sub { color:#a8c8d0; font-size:15px; line-height:1.8; margin-bottom:14px; }
    .bk-hero-checks { list-style:none; padding:0; margin:24px 0 34px; display:grid; grid-template-columns:1fr 1fr; gap:10px; }
    .bk-hero-checks li { color:#c0dde4; font-size:14px; display:flex; align-items:flex-start; gap:9px; line-height:1.5; }
    .bk-hero-checks li::before { content:''; width:17px; height:17px; min-width:17px; background:var(--teal); border-radius:50%; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M5 13l4 4L19 7'/%3E%3C/svg%3E"); background-size:10px; background-repeat:no-repeat; background-position:center; margin-top:2px; }
    .bk-hero-btns { display:flex; gap:14px; flex-wrap:wrap; }

    /* hero right card */
    .bk-hero-card { background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12); border-radius:18px; padding:32px; }
    .bk-arch-title { font-family:'Sora',sans-serif; font-size:14px; font-weight:700; color:#fff; margin-bottom:16px; }
    .bk-arch-table { width:100%; border-collapse:collapse; border-radius:10px; overflow:hidden; }
    .bk-arch-table th { background:rgba(10,90,120,.5); color:var(--teal3); font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:.07em; padding:10px 14px; text-align:left; }
    .bk-arch-table td { background:rgba(10,30,46,.8); color:#8abbc8; font-size:13px; padding:11px 14px; border-top:1px solid rgba(255,255,255,.05); }
    .bk-arch-table td.hl { color:#fff; font-weight:600; }
    .bk-arch-table td.mode-off { color:var(--teal3); font-weight:700; }
    .bk-arch-table td.mode-on { color:var(--green); font-weight:700; }
    .bk-hero-note { margin-top:16px; padding:14px 18px; background:rgba(93,214,245,.08); border:1px solid rgba(93,214,245,.18); border-radius:10px; font-size:13px; color:#8abbc8; line-height:1.65; }
    .bk-hero-note strong { color:var(--teal3); }

    /* ── CTA BAND ── */
    .bk-band { background:linear-gradient(135deg,var(--navy2) 0%,var(--navy) 100%); padding:60px 40px; }
    .bk-band-inner { max-width:1200px; margin:0 auto; display:grid; grid-template-columns:1fr auto; gap:40px; align-items:center; }
    .bk-band h2 { font-family:'Sora',sans-serif; font-size:1.85rem; color:#fff; margin:0 0 10px; }
    .bk-band p { color:#a8c8d0; margin:0 0 24px; font-size:15px; line-height:1.65; max-width:560px; }
    .bk-band-contacts { display:flex; gap:28px; flex-wrap:wrap; }
    .bk-band-contact { display:flex; align-items:center; gap:10px; text-decoration:none; }
    .bk-band-cicon { width:40px; height:40px; border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:17px; }
    .bk-band-cicon.em { background:rgba(10,90,120,.3); color:var(--teal3); }
    .bk-band-cicon.wa { background:rgba(37,211,102,.2); color:#25d366; }
    .bk-band-ctext span { display:block; font-size:11px; color:var(--muted); font-weight:500; }
    .bk-band-ctext strong { font-size:14px; color:#fff; font-weight:600; }
    .bk-band-btns { display:flex; flex-direction:column; gap:12px; }
    .bk-band-btn1 { background:var(--teal); color:#fff; padding:14px 28px; border-radius:8px; font-weight:700; font-size:15px; text-decoration:none; text-align:center; white-space:nowrap; transition:background .2s; }
    .bk-band-btn1:hover { background:var(--teal2); }
    .bk-band-btn2 { background:transparent; color:#fff; padding:13px 28px; border-radius:8px; font-weight:600; font-size:15px; text-decoration:none; text-align:center; border:2px solid rgba(255,255,255,.25); white-space:nowrap; }
    .bk-band-btn2:hover { border-color:var(--teal3); }

    /* ── WHY / WHAT IS DRS ── */
    .bk-why { background:var(--offwhite); padding:90px 40px; }
    .bk-why-grid { display:grid; grid-template-columns:1fr 1fr; gap:28px; margin-top:48px; }
    .bk-why-box { background:#fff; border-radius:var(--r); padding:32px; box-shadow:var(--sh); border:1px solid var(--border); transition:transform .25s,box-shadow .25s; }
    .bk-why-box:hover { transform:translateY(-4px); box-shadow:var(--shh); }
    .bk-why-box h3 { font-family:'Sora',sans-serif; font-size:1.1rem; color:var(--slate); margin:0 0 16px; display:flex; align-items:center; gap:10px; }
    .bk-why-box h3::before { content:''; width:8px; height:8px; border-radius:50%; background:var(--teal); flex-shrink:0; }
    .bk-why-box ul { list-style:none; padding:0; margin:0; }
    .bk-why-box li { font-size:14px; color:var(--muted); padding:8px 0 8px 18px; border-bottom:1px solid var(--border); position:relative; line-height:1.5; }
    .bk-why-box li:last-child { border-bottom:none; }
    .bk-why-box li::before { content:'›'; position:absolute; left:0; color:var(--teal); font-weight:700; font-size:16px; }
    .bk-why-footer { background:#fff; border-radius:var(--r); padding:28px 32px; margin-top:28px; border-left:4px solid var(--teal); box-shadow:var(--sh); font-size:15px; color:var(--muted); line-height:1.75; }
    .bk-why-footer strong { color:var(--slate); }

    /* lifecycle flow inside why-footer */
    .bk-flow { display:flex; align-items:center; gap:0; flex-wrap:wrap; margin-top:14px; }
    .bk-flow-step { text-align:center; padding:12px 16px; background:var(--offwhite); border:1px solid var(--border); border-radius:10px; min-width:110px; }
    .bk-flow-step .sl { font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color:var(--teal); margin-bottom:4px; }
    .bk-flow-step .sd { font-size:12px; color:var(--muted); line-height:1.4; }
    .bk-flow-arrow { color:var(--teal); font-size:20px; padding:0 8px; font-weight:700; }

    /* ── USER ROLES ── */
    .bk-who { background:#fff; padding:90px 40px; }
    .bk-who-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:48px; }
    .bk-who-card { background:var(--offwhite); border:1px solid var(--border); border-radius:var(--r); padding:28px 24px; transition:all .3s ease; position:relative; overflow:hidden; }
    .bk-who-card::before { content:''; position:absolute; top:0; left:0; right:0; height:4px; }
    .bk-who-card.vessel::before { background:linear-gradient(90deg,var(--teal),var(--teal3)); }
    .bk-who-card.shore::before { background:linear-gradient(90deg,#0d6b52,#2dd6a0); }
    .bk-who-card.admin::before { background:linear-gradient(90deg,#7c3aed,#c084fc); }
    .bk-who-card:hover { background:#fff; border-color:var(--teal); transform:translateY(-5px); box-shadow:0 12px 32px rgba(10,90,120,.14); }
    .bk-who-icon { font-size:28px; margin-bottom:14px; display:block; }
    .bk-who-card h4 { font-family:'Sora',sans-serif; font-size:15px; font-weight:700; color:var(--slate); margin:0 0 4px; }
    .bk-who-card .role-sub { font-size:12px; color:var(--muted); margin-bottom:14px; font-style:italic; }
    .bk-who-card p { font-size:13.5px; color:var(--muted); line-height:1.6; margin:0; }
    .bk-who-card ul { list-style:none; padding:0; margin:0; }
    .bk-who-card li { font-size:13.5px; color:var(--muted); padding:7px 0 7px 16px; border-bottom:1px solid var(--border); position:relative; line-height:1.5; }
    .bk-who-card li:last-child { border-bottom:none; }
    .bk-who-card li::before { content:'›'; position:absolute; left:0; color:var(--teal); font-weight:700; font-size:15px; }

    /* ── INFRA / DEFECT LIFECYCLE (dark section) ── */
    .bk-infra { background:var(--navy); padding:90px 40px; position:relative; overflow:hidden; }
    .bk-infra::before { content:''; position:absolute; inset:0; background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px); background-size:48px 48px; pointer-events:none; }
    .bk-infra .bk-inner { position:relative; z-index:1; }
    .bk-infra .bk-title { color:#fff; }
    .bk-infra .bk-lead { color:#7aaab8; }
    .bk-infra .bk-tag { background:rgba(93,214,245,.15); color:var(--teal3); }
    .bk-infra-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:48px; }
    .bk-infra-box { background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.09); border-radius:var(--r); padding:28px 24px; text-align:center; transition:all .3s; }
    .bk-infra-box:hover { background:rgba(255,255,255,.1); transform:translateY(-4px); }
    .bk-infra-num { width:54px; height:54px; border-radius:50%; background:var(--teal); display:flex; align-items:center; justify-content:center; margin:0 auto 16px; font-family:'Sora',sans-serif; font-size:18px; font-weight:800; color:#fff; border:3px solid var(--teal3); }
    .bk-infra-box h4 { font-family:'Sora',sans-serif; font-size:15px; font-weight:700; color:#fff; margin:0 0 10px; }
    .bk-infra-box p { font-size:13px; color:#7aaab8; line-height:1.6; margin:0; }
    .bk-infra-controls { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:28px; }
    .bk-ctrl { background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.07); border-radius:12px; padding:20px; }
    .bk-ctrl h5 { font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.07em; color:var(--teal3); margin-bottom:8px; }
    .bk-ctrl p { font-size:13px; color:#7aaab8; line-height:1.6; margin:0; }

    /* ── SERVICES / VESSEL DASHBOARD ── */
    .bk-services { background:var(--offwhite); padding:90px 40px; }
    .bk-svc-grid { display:grid; grid-template-columns:1fr 1fr; gap:32px; margin-top:48px; align-items:start; }

    /* mock defect table */
    .bk-mock-table { background:#fff; border-radius:var(--r); border:1px solid var(--border); overflow:hidden; box-shadow:var(--sh); }
    .bk-mock-header { background:var(--teal); padding:12px 18px; display:flex; align-items:center; gap:8px; }
    .bk-mock-header span { font-size:13px; font-weight:700; color:#fff; }
    .bk-dot { width:10px; height:10px; border-radius:50%; }
    .bk-dot.r { background:#ef4444; } .bk-dot.y { background:#f59e0b; } .bk-dot.g { background:#10b981; }
    .bk-mock-row { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; padding:11px 18px; border-bottom:1px solid var(--border); font-size:12px; }
    .bk-mock-row.th { background:var(--offwhite); font-weight:700; color:var(--teal); font-size:11px; text-transform:uppercase; letter-spacing:.04em; }
    .bk-mock-row:last-child { border-bottom:none; }
    .bk-mock-cell { color:#1e2d3d; }
    .bk-mock-cell.mu { color:var(--muted); }
    .bk-pri { display:inline-block; padding:2px 8px; border-radius:999px; font-size:10px; font-weight:700; }
    .bk-pri.cr { background:#fee2e2; color:#dc2626; }
    .bk-pri.hi { background:#fef3c7; color:#d97706; }
    .bk-pri.me { background:#dbeafe; color:#1d4ed8; }
    .bk-pri.lo { background:#d1fae5; color:#065f46; }
    .bk-stat { display:inline-block; padding:2px 8px; border-radius:999px; font-size:10px; font-weight:700; }
    .bk-stat.od { background:#fee2e2; color:#dc2626; }
    .bk-stat.wa { background:#fef3c7; color:#d97706; }
    .bk-stat.ok { background:#d1fae5; color:#065f46; }
    .bk-stat.pe { background:#ede9fe; color:#7c3aed; }

    /* capability list */
    .bk-caps { display:flex; flex-direction:column; gap:12px; }
    .bk-cap { display:flex; align-items:flex-start; gap:12px; padding:14px 18px; background:#fff; border-radius:12px; border:1px solid var(--border); transition:all .25s; }
    .bk-cap:hover { border-color:var(--teal); transform:translateX(4px); }
    .bk-cap-icon { width:34px; height:34px; min-width:34px; border-radius:8px; background:#e0f0f8; display:flex; align-items:center; justify-content:center; font-size:16px; }
    .bk-cap-text h5 { font-size:13.5px; font-weight:700; color:var(--slate); margin:0 0 3px; }
    .bk-cap-text p { font-size:12px; color:var(--muted); margin:0; line-height:1.5; }

    /* ── TECH / COLLABORATION ── */
    .bk-tech { background:#fff; padding:90px 40px; }
    .bk-tech-grid { display:grid; grid-template-columns:1fr 1fr; gap:32px; margin-top:48px; }
    .bk-chat-wrap { border-radius:var(--r); overflow:hidden; border:1px solid var(--border); box-shadow:var(--sh); }
    .bk-chat-head { padding:12px 18px; font-size:13px; font-weight:700; }
    .bk-chat-head.vessel-h { background:var(--teal); color:#fff; }
    .bk-chat-head.shore-h { background:#0d6b52; color:#fff; }
    .bk-chat-body { background:#fff; padding:16px; display:flex; flex-direction:column; gap:10px; }
    .bk-msg { padding:10px 14px; border-radius:10px; font-size:12.5px; line-height:1.55; max-width:88%; }
    .bk-msg.crew { background:var(--offwhite); color:#1e2d3d; border:1px solid var(--border); align-self:flex-start; }
    .bk-msg.sys { background:#e0f0f8; color:var(--teal); font-size:11.5px; font-style:italic; align-self:center; text-align:center; border-radius:999px; padding:6px 14px; }
    .bk-msg.internal { background:#dbeafe; color:#1d4ed8; border:1px solid #bfdbfe; align-self:flex-end; }
    .bk-msg .ml { font-size:10px; font-weight:700; text-transform:uppercase; letter-spacing:.05em; margin-bottom:4px; }
    .bk-msg.crew .ml { color:var(--teal); } .bk-msg.internal .ml { color:#1d4ed8; }
    .bk-collab-note { background:var(--offwhite); border-radius:12px; padding:18px; border:1px solid var(--border); margin-top:14px; }
    .bk-collab-note h5 { font-size:13px; font-weight:700; color:var(--slate); margin:0 0 6px; }
    .bk-collab-note p { font-size:13px; color:var(--muted); margin:0; line-height:1.6; }

    /* ── FEATURES / SHORE DASHBOARD ── */
    .bk-features { background:var(--offwhite); padding:90px 40px; }
    .bk-feat-grid { display:grid; grid-template-columns:1fr 1fr; gap:32px; margin-top:48px; align-items:start; }
    .bk-feat-list { display:flex; flex-direction:column; gap:12px; }
    .bk-feat-item { display:flex; align-items:flex-start; gap:14px; padding:18px 20px; border-radius:12px; border:1px solid var(--border); background:#fff; transition:all .3s; }
    .bk-feat-item:hover { border-color:var(--teal); transform:translateX(6px); box-shadow:0 6px 20px rgba(10,90,120,.1); }
    .bk-feat-icon { width:40px; height:40px; min-width:40px; border-radius:10px; background:var(--teal); display:flex; align-items:center; justify-content:center; font-size:17px; }
    .bk-feat-text h5 { font-size:14px; font-weight:700; color:var(--slate); margin:0 0 4px; }
    .bk-feat-text p { font-size:13px; color:var(--muted); margin:0; line-height:1.5; }

    /* approval flow */
    .bk-approval { background:var(--navy); border-radius:var(--r); padding:28px; }
    .bk-approval h4 { font-family:'Sora',sans-serif; font-size:15px; font-weight:700; color:#fff; margin-bottom:18px; }
    .bk-appr-step { display:flex; align-items:flex-start; gap:14px; padding:12px 0; border-bottom:1px solid rgba(255,255,255,.06); }
    .bk-appr-step:last-child { border-bottom:none; }
    .bk-appr-num { width:28px; height:28px; min-width:28px; border-radius:50%; background:var(--teal); border:2px solid var(--teal3); display:flex; align-items:center; justify-content:center; font-size:11px; font-weight:800; color:#fff; }
    .bk-appr-text { font-size:13px; color:#7aaab8; line-height:1.6; }
    .bk-appr-text strong { color:#fff; }
    .bk-appr-note { margin-top:16px; padding:12px 16px; background:rgba(93,214,245,.08); border-radius:10px; border:1px solid rgba(93,214,245,.15); font-size:12.5px; color:#7aaab8; line-height:1.6; }
    .bk-appr-note strong { color:var(--teal3); }

    /* ── METHOD / OFFLINE SYNC ── */
    .bk-method { background:var(--navy2); padding:90px 40px; position:relative; overflow:hidden; }
    .bk-method::before { content:''; position:absolute; inset:0; background-image:radial-gradient(ellipse 700px 400px at 80% 50%,rgba(10,90,120,.3) 0%,transparent 65%); pointer-events:none; }
    .bk-method .bk-inner { position:relative; z-index:1; }
    .bk-method .bk-title { color:#fff; }
    .bk-method .bk-lead { color:#7aaab8; }
    .bk-method .bk-tag { background:rgba(93,214,245,.15); color:var(--teal3); }
    .bk-method-steps { display:grid; grid-template-columns:1fr 1fr; gap:28px; margin-top:48px; }
    .bk-method-step { background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.09); border-radius:var(--r); padding:28px 24px; transition:all .3s; }
    .bk-method-step:hover { background:rgba(255,255,255,.09); transform:translateY(-4px); }
    .bk-method-num { font-family:'Sora',sans-serif; font-size:38px; font-weight:800; color:rgba(93,214,245,.25); line-height:1; margin-bottom:14px; }
    .bk-method-step h4 { font-size:14px; font-weight:700; color:#fff; margin:0 0 10px; line-height:1.4; }
    .bk-method-step p { font-size:13px; color:#7aaab8; line-height:1.6; margin:0; }

    /* sync engine panel */
    .bk-sync-engine { background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.09); border-radius:var(--r); padding:28px; margin-top:28px; }
    .bk-sync-engine h4 { font-family:'Sora',sans-serif; font-size:15px; font-weight:700; color:#fff; margin-bottom:18px; display:flex; align-items:center; gap:10px; }
    .bk-sync-dot { display:inline-block; width:8px; height:8px; border-radius:50%; background:#2dd6a0; animation:pulse-dot 1.5s infinite; }
    @keyframes pulse-dot { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.6;transform:scale(1.4)} }
    .bk-sync-row { display:flex; justify-content:space-between; align-items:center; padding:11px 0; border-bottom:1px solid rgba(255,255,255,.06); font-size:13px; }
    .bk-sync-row:last-child { border-bottom:none; }
    .bk-sync-row .lb { color:#7aaab8; }
    .bk-sync-row .vl { color:var(--teal3); font-weight:700; }

    /* ── CASE STUDY / ANALYTICS ── */
    .bk-case { background:var(--offwhite); padding:90px 40px; }
    .bk-kpi-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:48px; }
    .bk-kpi-card { background:#fff; border-radius:var(--r); padding:24px; border:1px solid var(--border); text-align:center; transition:all .3s; }
    .bk-kpi-card:hover { border-color:var(--teal); transform:translateY(-4px); box-shadow:0 10px 28px rgba(10,90,120,.1); }
    .bk-kpi-icon { font-size:26px; margin-bottom:10px; }
    .bk-kpi-num { font-family:'Sora',sans-serif; font-size:28px; font-weight:800; color:var(--teal); line-height:1; margin-bottom:6px; }
    .bk-kpi-label { font-size:12px; color:var(--muted); font-weight:600; }
    .bk-chart-mock { background:#fff; border-radius:var(--r); padding:28px; border:1px solid var(--border); margin-top:24px; box-shadow:var(--sh); }
    .bk-chart-mock h4 { font-family:'Sora',sans-serif; font-size:15px; font-weight:700; color:var(--slate); margin-bottom:20px; }
    .bk-bars { display:flex; align-items:flex-end; gap:12px; height:80px; margin-bottom:30px; }
    .bk-bar { flex:1; border-radius:6px 6px 0 0; position:relative; }
    .bk-bar .bar-label { position:absolute; bottom:-22px; left:50%; transform:translateX(-50%); font-size:10px; color:var(--muted); white-space:nowrap; }
    .bk-donut-row { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
    .bk-donut-item { display:flex; align-items:center; gap:8px; font-size:13px; color:var(--muted); }
    .bk-donut-dot { width:11px; height:11px; border-radius:50%; flex-shrink:0; }
    .bk-donut-item strong { color:var(--slate); }

    /* ── WHY CHOOSE / SECURITY ── */
    .bk-why-choose { background:#fff; padding:90px 40px; }
    .bk-matrix { border:1px solid var(--border); border-radius:var(--rlg); overflow:hidden; margin-top:48px; max-width:900px; }
    .bk-matrix-row { display:grid; grid-template-columns:52px 1fr; align-items:center; padding:18px 24px; background:var(--offwhite); transition:all .3s; }
    .bk-matrix-row:not(:last-child) { border-bottom:1px solid var(--border); }
    .bk-matrix-row:hover { background:#fff; transform:translateX(6px); box-shadow:0 6px 20px rgba(10,90,120,.08); }
    .bk-matrix-tick { width:32px; height:32px; border-radius:50%; background:#d0f0e8; color:#0d6b52; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:13px; }
    .bk-matrix-text { font-size:15px; color:var(--slate); line-height:1.5; }
    .bk-why-choose-footer { margin-top:28px; padding:22px 28px; background:var(--offwhite); border-radius:var(--r); border-left:4px solid var(--teal); font-size:15px; color:var(--muted); line-height:1.7; max-width:900px; }

    /* ── INDUSTRIES / REPORTS ── */
    .bk-industries { background:var(--offwhite); padding:90px 40px; }
    .bk-ind-nodes { display:flex; flex-wrap:wrap; justify-content:center; gap:14px; margin-top:48px; }
    .bk-ind-node { padding:13px 22px; border-radius:999px; background:#fff; border:1px solid var(--border); font-size:14.5px; font-weight:600; color:var(--slate); transition:all .3s; cursor:default; }
    .bk-ind-node:hover { background:rgba(10,90,120,.08); color:var(--teal); border-color:var(--teal); transform:translateY(-3px); box-shadow:0 8px 20px rgba(10,90,120,.1); }

    /* reports cards */
    .bk-rep-grid { display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-top:48px; }
    .bk-rep-card { background:#fff; border-radius:var(--r); padding:28px; border:1px solid var(--border); box-shadow:var(--sh); }
    .bk-rep-card h4 { font-family:'Sora',sans-serif; font-size:16px; font-weight:700; color:var(--slate); margin-bottom:16px; display:flex; align-items:center; gap:8px; }
    .bk-rep-card ul { list-style:none; padding:0; margin:0; }
    .bk-rep-card li { font-size:13.5px; color:var(--muted); padding:8px 0 8px 18px; border-bottom:1px solid var(--border); position:relative; line-height:1.5; }
    .bk-rep-card li:last-child { border-bottom:none; }
    .bk-rep-card li::before { content:'—'; position:absolute; left:0; color:var(--teal); font-weight:700; }

    /* ── SUMMARY TABLE ── */
    .bk-wa-cta { background:var(--navy2); padding:90px 40px; }
    .bk-wa-cta .bk-inner { position:relative; z-index:1; }
    .bk-wa-cta .bk-title { color:#fff; }
    .bk-wa-cta .bk-lead { color:#7aaab8; max-width:100%; }
    .bk-wa-cta .bk-tag { background:rgba(93,214,245,.15); color:var(--teal3); }
    .bk-sum-table { margin-top:48px; border:1px solid rgba(255,255,255,.08); border-radius:var(--rlg); overflow:hidden; }
    .bk-sum-row { display:grid; grid-template-columns:1fr 1fr; padding:18px 28px; border-bottom:1px solid rgba(255,255,255,.06); font-size:14.5px; transition:all .25s; }
    .bk-sum-row:last-child { border-bottom:none; }
    .bk-sum-row:hover { background:rgba(255,255,255,.04); }
    .bk-sum-row.thead { background:rgba(10,90,120,.45); font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.07em; color:var(--teal3); }
    .bk-sum-row.thead:hover { background:rgba(10,90,120,.45); }
    .bk-sum-feat { color:#c0dde4; font-weight:600; }
    .bk-sum-ben { color:#7aaab8; }

    /* ── FAQ ── */
    .bk-faq { background:var(--offwhite); padding:90px 40px; }
    .bk-faq-list { max-width:800px; margin:48px auto 0; }
    .bk-faq-item { border-bottom:1px solid var(--border); }
    .bk-faq-item:first-child { border-top:1px solid var(--border); }
    .bk-faq-q { width:100%; background:none; border:none; padding:22px 4px; text-align:left; cursor:pointer; display:flex; justify-content:space-between; align-items:center; gap:16px; font-family:'Plus Jakarta Sans','Segoe UI',sans-serif; }
    .bk-faq-q span { font-size:15.5px; font-weight:600; color:var(--slate); line-height:1.4; }
    .bk-faq-q:hover span { color:var(--teal); }
    .bk-faq-icon { width:28px; height:28px; min-width:28px; background:rgba(10,90,120,.1); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:17px; color:var(--teal); transition:background .2s,transform .3s; }
    .bk-faq-item.open .bk-faq-icon { background:var(--teal); color:#fff; transform:rotate(45deg); }
    .bk-faq-a { font-size:14.5px; color:var(--muted); line-height:1.75; padding:0 4px 22px; display:none; }
    .bk-faq-item.open .bk-faq-a { display:block; }

    /* ── FINAL CTA ── */
    .bk-final { background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 100%); padding:100px 40px; text-align:center; position:relative; overflow:hidden; }
    .bk-final::before { content:''; position:absolute; inset:0; background-image:radial-gradient(circle 600px at 30% 50%,rgba(10,90,120,.25) 0%,transparent 70%),radial-gradient(circle 400px at 80% 20%,rgba(93,214,245,.08) 0%,transparent 70%); pointer-events:none; }
    .bk-final-inner { max-width:700px; margin:0 auto; position:relative; z-index:1; }
    .bk-final h2 { font-family:'Sora',sans-serif; font-size:clamp(1.8rem,3.5vw,2.7rem); color:#fff; margin:0 0 16px; }
    .bk-final p { color:#a8c8d0; font-size:16px; line-height:1.7; margin:0 0 36px; }
    .bk-final-btns { display:flex; justify-content:center; gap:16px; flex-wrap:wrap; margin-bottom:32px; }
    .bk-final-btn { display:flex; flex-direction:column; align-items:center; gap:4px; padding:15px 28px; border-radius:10px; text-decoration:none; font-weight:700; font-size:15px; min-width:220px; transition:all .2s; }
    .bk-final-btn.call { background:var(--teal); color:#fff; box-shadow:0 4px 18px rgba(10,90,120,.4); }
    .bk-final-btn.call:hover { background:var(--teal2); transform:translateY(-2px); }
    .bk-final-btn.mail { background:rgba(255,255,255,.08); color:#fff; border:1px solid rgba(255,255,255,.2); }
    .bk-final-btn.mail:hover { background:rgba(255,255,255,.14); }
    .bk-final-btn-sub { font-size:12.5px; font-weight:500; opacity:.85; }
    .bk-reach-btns { display:flex; justify-content:center; gap:14px; flex-wrap:wrap; }
    .bk-reach-btn { display:inline-flex; align-items:center; gap:8px; padding:11px 20px; border-radius:8px; text-decoration:none; font-size:14px; font-weight:600; transition:all .2s; }
    .bk-reach-btn.email { background:rgba(10,90,120,.2); color:var(--teal3); border:1px solid rgba(93,214,245,.3); }
    .bk-reach-btn.email:hover { background:rgba(10,90,120,.35); }
    .bk-reach-btn.wa { background:#25d366; color:#fff; }
    .bk-reach-btn.wa:hover { background:#1ebe5d; }
    .bk-reach-btn.contact { background:rgba(255,255,255,.08); color:#fff; border:1px solid rgba(255,255,255,.2); }
    .bk-reach-btn.contact:hover { background:rgba(255,255,255,.15); }

    /* WA CTA inline section */
    .bk-wa-cta-inner { max-width:900px; margin:48px auto 0; background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.1); border-radius:var(--rlg); padding:44px 40px; text-align:center; }
    .bk-wa-cta-inner h2 { font-family:'Sora',sans-serif; font-size:1.8rem; color:#fff; margin:0 0 12px; }
    .bk-wa-cta-inner > p { color:#a8c8d0; font-size:15px; line-height:1.7; margin:0 0 32px; }
    .bk-wa-cta-btns { display:flex; justify-content:center; gap:18px; flex-wrap:wrap; }
    .bk-wa-btn1 { display:flex; flex-direction:column; align-items:center; gap:4px; background:#25d366; color:#fff; padding:15px 28px; border-radius:10px; text-decoration:none; font-weight:700; font-size:15px; min-width:220px; transition:background .2s; }
    .bk-wa-btn1:hover { background:#1ebe5d; }
    .bk-wa-btn2 { display:flex; flex-direction:column; align-items:center; gap:4px; background:rgba(255,255,255,.08); color:#fff; padding:15px 28px; border-radius:10px; text-decoration:none; font-weight:600; font-size:15px; min-width:220px; border:1px solid rgba(255,255,255,.2); transition:background .2s; }
    .bk-wa-btn2:hover { background:rgba(255,255,255,.14); }
    .bk-wa-btn-sub { font-size:12.5px; font-weight:500; opacity:.85; }
    .bk-cta-note { margin-top:18px; font-size:13px; color:#6b8a9a; }

    /* ── RESPONSIVE ── */
    @media (max-width:1024px) {
      .bk-hero-inner { grid-template-columns:1fr; gap:48px; }
      .bk-hero-checks { grid-template-columns:1fr; }
      .bk-who-grid { grid-template-columns:1fr 1fr; }
      .bk-infra-grid { grid-template-columns:1fr; }
      .bk-infra-controls { grid-template-columns:1fr 1fr; }
      .bk-method-steps { grid-template-columns:1fr 1fr; }
      .bk-kpi-grid { grid-template-columns:1fr 1fr; }
      .bk-band-inner { grid-template-columns:1fr; }
    }
    @media (max-width:768px) {
      .bk-hero,.bk-band,.bk-why,.bk-who,.bk-infra,.bk-services,.bk-tech,.bk-features,.bk-method,.bk-case,.bk-why-choose,.bk-industries,.bk-wa-cta,.bk-faq,.bk-final { padding-left:20px; padding-right:20px; }
      .bk-why-grid,.bk-svc-grid,.bk-tech-grid,.bk-feat-grid,.bk-method-steps,.bk-rep-grid { grid-template-columns:1fr; }
      .bk-who-grid { grid-template-columns:1fr; }
      .bk-infra-grid,.bk-infra-controls { grid-template-columns:1fr; }
      .bk-kpi-grid { grid-template-columns:1fr 1fr; }
      .bk-sum-row { grid-template-columns:1fr; gap:4px; }
      .bk-sum-row.thead { display:none; }
      .bk-final-btns,.bk-reach-btns,.bk-wa-cta-btns { flex-direction:column; align-items:center; }
      .bk-mock-row { grid-template-columns:2fr 1fr; }
      .bk-mock-row .bk-mock-cell:nth-child(3),.bk-mock-row .bk-mock-cell:nth-child(4) { display:none; }
      .bk-donut-row { grid-template-columns:1fr; }
      .bk-wa-cta-inner { padding:28px 20px; }
    }
    @media (max-width:480px) {
      .bk-kpi-grid { grid-template-columns:1fr 1fr; }
    }