:root {
      --gold:       #C9A84C;
      --gold-light: #F0D080;
      --gold-dark:  #8B6914;
      --navy:       #0D1B2A;
      --navy-mid:   #142232;
      --navy-soft:  #1C2E42;
      --text-light: #E8D9B5;
      --text-muted: #8FA3B8;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: 'Noto Sans Bengali', sans-serif; background: var(--navy); color: #fff; overflow-x: hidden; }
    h1,h2,h3,h4,h5,h6 { font-family: 'Noto Serif Bengali', serif; }

    /* ── TICKER ── */
    .ticker-bar { background: var(--navy-mid); border-bottom: 1px solid rgba(201,168,76,0.15); font-size:.8rem; color:var(--text-muted); padding:6px 0; overflow:hidden; }
    .ticker-inner { display:flex; gap:40px; animation:tickerScroll 30s linear infinite; white-space:nowrap; }
    .ticker-item { display:flex; gap:8px; align-items:center; }
    .ticker-item .label { color:var(--text-muted); }
    .ticker-item .value { color:var(--gold-light); font-weight:600; }
    .ticker-item .up   { color:#4ade80; }
    .ticker-item .down { color:#f87171; }
    @keyframes tickerScroll { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }

    /* ── NAVBAR ── */
    .navbar { background:rgba(13,27,42,0.95); backdrop-filter:blur(12px); border-bottom:1px solid rgba(201,168,76,0.2); padding:14px 0; position:sticky; top:0; z-index:1000; }
    .navbar-brand { font-family:'Noto Serif Bengali',serif; font-size:1.5rem; font-weight:700; color:var(--gold)!important; letter-spacing:.5px; }
    .navbar-brand span { color:#fff; }
    .nav-link { color:var(--text-light)!important; font-size:.92rem; font-weight:500; padding:6px 14px!important; transition:color .2s; }
    .nav-link:hover  { color:var(--gold)!important; }
    .nav-link.active { color:var(--gold)!important; }
    .btn-nav-login { border:1.5px solid var(--gold); color:var(--gold); border-radius:6px; padding:6px 18px; font-size:.88rem; font-weight:600; transition:all .25s; background:transparent; }
    .btn-nav-login:hover { background:var(--gold); color:var(--navy); }
    .btn-nav-reg { background:linear-gradient(135deg,var(--gold),var(--gold-dark)); color:var(--navy); border:none; border-radius:6px; padding:6px 18px; font-size:.88rem; font-weight:700; transition:opacity .25s; }
    .btn-nav-reg:hover { opacity:.85; color:var(--navy); }

    /* ── PAGE HERO ── */
    .page-hero { background:radial-gradient(ellipse 80% 70% at 50% 0%,rgba(201,168,76,0.11) 0%,transparent 65%),var(--navy); padding:72px 0 60px; text-align:center; position:relative; overflow:hidden; }
    .page-hero::before { content:''; position:absolute; inset:0; background-image:radial-gradient(circle,rgba(201,168,76,0.05) 1px,transparent 1px); background-size:40px 40px; pointer-events:none; }
    .breadcrumb-nav { display:inline-flex; align-items:center; gap:8px; font-size:.8rem; color:var(--text-muted); margin-bottom:18px; }
    .breadcrumb-nav a { color:var(--gold); text-decoration:none; }
    .breadcrumb-nav a:hover { text-decoration:underline; }
    .page-hero h1 { font-size:clamp(2rem,4.5vw,3.2rem); font-weight:700; color:#fff; margin-bottom:16px; line-height:1.25; }
    .gold-text { background:linear-gradient(90deg,var(--gold),var(--gold-light)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
    .page-hero p { color:var(--text-muted); font-size:1rem; max-width:540px; margin:0 auto; line-height:1.8; }

    /* ── SHARED ── */
    .gold-divider { height:1px; background:linear-gradient(90deg,transparent,var(--gold),transparent); opacity:.2; }
    .section-label { font-size:.78rem; font-weight:700; color:var(--gold); letter-spacing:2px; text-transform:uppercase; margin-bottom:8px; }
    .section-title { font-size:clamp(1.6rem,3vw,2.3rem); font-weight:700; color:#fff; line-height:1.3; }
    .section-title .gold { color:var(--gold); }
    .fade-up { opacity:0; transform:translateY(26px); transition:opacity .55s ease,transform .55s ease; }
    .fade-up.visible { opacity:1; transform:translateY(0); }
    .delay-1{transition-delay:.1s} .delay-2{transition-delay:.2s}
    .delay-3{transition-delay:.3s} .delay-4{transition-delay:.4s}
    .delay-5{transition-delay:.5s} .delay-6{transition-delay:.6s}

    /* ── LIVE PRICE PANEL ── */
    .live-panel {
      background:rgba(255,255,255,0.03);
      border:1px solid rgba(201,168,76,0.25);
      border-radius:20px; padding:32px;
      position:relative; overflow:hidden;
    }
    .live-panel::before {
      content:''; position:absolute; top:0; left:0; right:0; height:3px;
      background:linear-gradient(90deg,var(--gold),var(--gold-light),var(--gold));
    }
    .live-dot { width:8px; height:8px; border-radius:50%; background:#4ade80; display:inline-block; margin-right:6px; animation:blink 1.4s ease-in-out infinite; }
    @keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

    .price-row {
      display:flex; align-items:center; justify-content:space-between;
      padding:14px 18px; border-radius:12px;
      background:rgba(255,255,255,0.03);
      border:1px solid rgba(255,255,255,0.06);
      transition:all .25s; cursor:default;
    }
    .price-row:hover { border-color:rgba(201,168,76,0.3); background:rgba(201,168,76,0.05); }
    .price-row .carat-badge {
      display:inline-flex; align-items:center; gap:6px;
      font-size:.78rem; font-weight:700; letter-spacing:.5px;
      padding:3px 10px; border-radius:20px;
    }
    .price-row .metal-name { font-size:.95rem; font-weight:600; color:#fff; }
    .price-row .metal-sub  { font-size:.78rem; color:var(--text-muted); margin-top:2px; }
    .price-row .price-val  { font-family:'Noto Serif Bengali',serif; font-size:1.3rem; font-weight:700; color:var(--gold-light); }
    .price-row .price-unit { font-size:.72rem; color:var(--text-muted); text-align:right; margin-top:2px; }
    .price-row .change-up   { color:#4ade80; font-size:.8rem; font-weight:600; }
    .price-row .change-down { color:#f87171; font-size:.8rem; font-weight:600; }

    /* ── PRICE TABLE ── */
    .price-table-wrap { border-radius:16px; overflow:hidden; border:1px solid rgba(255,255,255,0.07); }
    .price-table { width:100%; border-collapse:collapse; }
    .price-table thead tr { background:rgba(201,168,76,0.1); }
    .price-table thead th { padding:14px 18px; font-size:.82rem; font-weight:700; color:var(--gold); letter-spacing:.8px; text-transform:uppercase; border-bottom:1px solid rgba(201,168,76,0.2); }
    .price-table tbody tr { background:rgba(255,255,255,0.02); border-bottom:1px solid rgba(255,255,255,0.05); transition:background .2s; }
    .price-table tbody tr:hover { background:rgba(201,168,76,0.04); }
    .price-table tbody tr:last-child { border-bottom:none; }
    .price-table td { padding:13px 18px; font-size:.88rem; color:var(--text-light); vertical-align:middle; }
    .price-table td.gold-val { font-family:'Noto Serif Bengali',serif; font-weight:700; color:var(--gold-light); font-size:.95rem; }
    .price-table td.muted { color:var(--text-muted); }
    .badge-carat { display:inline-block; padding:3px 10px; border-radius:20px; font-size:.73rem; font-weight:700; letter-spacing:.5px; }
    .badge-24k { background:rgba(201,168,76,0.15); color:var(--gold-light); }
    .badge-22k { background:rgba(251,146,60,0.12); color:#fb923c; }
    .badge-21k { background:rgba(167,139,250,0.12); color:#a78bfa; }
    .badge-18k { background:rgba(96,165,250,0.12); color:#60a5fa; }

    /* ── CALCULATOR ── */
    .calc-card { background:rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.07); border-radius:20px; padding:36px; position:relative; overflow:hidden; }
    .calc-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,var(--gold),var(--gold-light),var(--gold)); }
    .calc-label { font-size:.83rem; font-weight:600; color:var(--text-light); margin-bottom:8px; display:block; }
    .calc-input, .calc-select {
      width:100%; background:rgba(255,255,255,0.04)!important;
      border:1px solid rgba(255,255,255,0.1)!important;
      border-radius:10px!important; color:#fff!important;
      font-family:'Noto Sans Bengali',sans-serif; font-size:.92rem;
      padding:11px 16px; transition:border-color .25s,box-shadow .25s;
      outline:none;
    }
    .calc-input:focus, .calc-select:focus {
      border-color:rgba(201,168,76,0.6)!important;
      box-shadow:0 0 0 3px rgba(201,168,76,0.1)!important;
      background:rgba(201,168,76,0.04)!important;
    }
    .calc-select option { background:var(--navy-mid); color:#fff; }
    .calc-result {
      background:rgba(201,168,76,0.08); border:1px solid rgba(201,168,76,0.25);
      border-radius:14px; padding:22px 24px; margin-top:20px;
    }
    .calc-result .res-label { font-size:.8rem; color:var(--text-muted); margin-bottom:4px; }
    .calc-result .res-val { font-family:'Noto Serif Bengali',serif; font-size:2rem; font-weight:700; color:var(--gold-light); line-height:1.2; }
    .calc-result .res-sub { font-size:.78rem; color:var(--text-muted); margin-top:6px; }
    .calc-result .res-breakdown { margin-top:14px; padding-top:14px; border-top:1px solid rgba(201,168,76,0.15); }
    .breakdown-row { display:flex; justify-content:space-between; font-size:.82rem; padding:4px 0; }
    .breakdown-row .bl { color:var(--text-muted); }
    .breakdown-row .bv { color:var(--text-light); font-weight:600; }
    .breakdown-row.total .bl { color:var(--gold); font-weight:700; }
    .breakdown-row.total .bv { color:var(--gold-light); font-weight:700; font-size:.9rem; }
    .btn-calc { background:linear-gradient(135deg,var(--gold),var(--gold-dark)); color:var(--navy); font-weight:700; font-size:.95rem; border:none; border-radius:10px; padding:12px; width:100%; box-shadow:0 4px 20px rgba(201,168,76,0.25); transition:all .25s; font-family:'Noto Sans Bengali',sans-serif; cursor:pointer; }
    .btn-calc:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(201,168,76,0.4); }

    /* ── CHART BARS (CSS only) ── */
    .chart-section { background:var(--navy-mid); padding:80px 0; }
    .bar-chart { display:flex; align-items:flex-end; gap:12px; height:200px; padding:0 4px; }
    .bar-wrap { flex:1; display:flex; flex-direction:column; align-items:center; gap:6px; }
    .bar { width:100%; border-radius:6px 6px 0 0; background:linear-gradient(180deg,var(--gold-light),var(--gold-dark)); opacity:.8; transition:opacity .2s; min-height:4px; }
    .bar:hover { opacity:1; }
    .bar-label { font-size:.7rem; color:var(--text-muted); white-space:nowrap; }
    .bar-val   { font-size:.75rem; color:var(--gold-light); font-weight:600; }
    .chart-y-labels { display:flex; flex-direction:column; justify-content:space-between; height:200px; padding:0 10px 0 0; }
    .chart-y-labels span { font-size:.68rem; color:var(--text-muted); }
    .chart-grid { position:relative; }
    .chart-grid::before { content:''; position:absolute; inset:0; background:repeating-linear-gradient(0deg,transparent,transparent calc(25% - 1px),rgba(255,255,255,0.04) calc(25% - 1px),rgba(255,255,255,0.04) 25%); pointer-events:none; }

    /* ── LTV TABLE ── */
    .ltv-card { background:rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.07); border-radius:16px; padding:28px; transition:all .28s; }
    .ltv-card:hover { border-color:rgba(201,168,76,0.3); background:rgba(201,168,76,0.04); }
    .ltv-header { display:flex; align-items:center; gap:12px; margin-bottom:16px; }
    .ltv-icon { width:46px; height:46px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:1.2rem; }
    .ltv-bar-bg { height:8px; background:rgba(255,255,255,0.06); border-radius:4px; overflow:hidden; margin-top:6px; }
    .ltv-bar-fill { height:100%; border-radius:4px; background:linear-gradient(90deg,var(--gold-dark),var(--gold-light)); }
    .ltv-pct { font-family:'Noto Serif Bengali',serif; font-size:1.5rem; font-weight:700; color:var(--gold); }

    /* ── FEE TABLE ── */
    .fee-row { display:flex; align-items:center; justify-content:space-between; padding:13px 18px; border-bottom:1px solid rgba(255,255,255,0.05); transition:background .2s; }
    .fee-row:last-child { border-bottom:none; }
    .fee-row:hover { background:rgba(201,168,76,0.04); border-radius:8px; }
    .fee-row .fee-name { font-size:.88rem; color:var(--text-light); }
    .fee-row .fee-name small { display:block; font-size:.75rem; color:var(--text-muted); margin-top:2px; }
    .fee-row .fee-val { font-size:.9rem; font-weight:700; color:var(--gold-light); font-family:'Noto Serif Bengali',serif; }
    .fee-badge-free { background:rgba(74,222,128,0.12); color:#4ade80; font-size:.72rem; font-weight:700; padding:3px 10px; border-radius:20px; }

    /* ── UNIT TABLE ── */
    .unit-pill { display:inline-flex; align-items:center; gap:8px; background:rgba(201,168,76,0.08); border:1px solid rgba(201,168,76,0.2); border-radius:50px; padding:8px 18px; font-size:.88rem; color:var(--gold-light); font-weight:600; transition:all .2s; cursor:default; }
    .unit-pill:hover { background:rgba(201,168,76,0.16); border-color:rgba(201,168,76,0.45); }

    /* ── CTA ── */
    .cta-section { padding:90px 0; text-align:center; background:radial-gradient(ellipse 60% 70% at 50% 50%,rgba(201,168,76,0.1) 0%,transparent 70%),var(--navy); }
    .btn-hero-primary { background:linear-gradient(135deg,var(--gold) 0%,var(--gold-dark) 100%); color:var(--navy); font-weight:700; font-size:1rem; border:none; border-radius:8px; padding:13px 32px; box-shadow:0 4px 24px rgba(201,168,76,0.3); transition:all .25s; text-decoration:none; display:inline-block; }
    .btn-hero-primary:hover { transform:translateY(-2px); box-shadow:0 8px 32px rgba(201,168,76,0.45); color:var(--navy); }
    .btn-hero-ghost { border:1.5px solid rgba(201,168,76,0.4); color:var(--gold-light); background:transparent; border-radius:8px; padding:13px 28px; font-size:1rem; font-weight:600; transition:all .25s; text-decoration:none; display:inline-block; }
    .btn-hero-ghost:hover { border-color:var(--gold); color:var(--gold); background:rgba(201,168,76,0.07); }

    /* ── FOOTER ── */
    footer { background:#080F17; border-top:1px solid rgba(201,168,76,0.15); padding:60px 0 24px; }
    .footer-brand { font-family:'Noto Serif Bengali',serif; font-size:1.4rem; font-weight:700; color:var(--gold); margin-bottom:12px; }
    .footer-desc { font-size:.85rem; color:var(--text-muted); line-height:1.7; max-width:260px; }
    .footer-heading { font-size:.8rem; font-weight:700; color:#fff; letter-spacing:1.5px; text-transform:uppercase; margin-bottom:16px; }
    .footer-link { display:block; font-size:.85rem; color:var(--text-muted); text-decoration:none; margin-bottom:9px; transition:color .2s; }
    .footer-link:hover { color:var(--gold); }
    .footer-bottom { border-top:1px solid rgba(255,255,255,0.06); margin-top:48px; padding-top:22px; font-size:.8rem; color:var(--text-muted); }
    .social-btn { width:36px; height:36px; border-radius:8px; background:rgba(255,255,255,0.05); border:1px solid rgba(255,255,255,0.08); display:inline-flex; align-items:center; justify-content:center; color:var(--text-muted); font-size:.95rem; transition:all .2s; text-decoration:none; }
    .social-btn:hover { background:rgba(201,168,76,0.15); border-color:var(--gold); color:var(--gold); }

    ::-webkit-scrollbar { width:6px; }
    ::-webkit-scrollbar-track { background:var(--navy); }
    ::-webkit-scrollbar-thumb { background:var(--gold-dark); border-radius:3px; }

    /* Tab pills */
    .tab-pills { display:flex; gap:8px; flex-wrap:wrap; }
    .tab-pill { padding:8px 20px; border-radius:50px; font-size:.85rem; font-weight:600; border:1.5px solid rgba(255,255,255,0.1); color:var(--text-muted); background:transparent; cursor:pointer; transition:all .2s; font-family:'Noto Sans Bengali',sans-serif; }
    .tab-pill.active, .tab-pill:hover { border-color:var(--gold); color:var(--gold); background:rgba(201,168,76,0.08); }

    /* update time badge */
    .update-badge { display:inline-flex; align-items:center; gap:6px; background:rgba(74,222,128,0.1); border:1px solid rgba(74,222,128,0.25); border-radius:50px; padding:5px 14px; font-size:.76rem; color:#4ade80; font-weight:600; }