 /* ── Base ── */
        *, *::before, *::after { box-sizing: border-box; }
        body { background-color: #0f1117; color: #f0f2f8; font-family: 'Inter', sans-serif; -webkit-font-smoothing: antialiased; }
        ::-webkit-scrollbar { width: 5px; background: #0f1117; }
        ::-webkit-scrollbar-thumb { background: #252838; border-radius: 3px; }

        /* ── Navbar ── */
        .navbar {
            background: rgba(15,17,23,0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid #1e2132;
        }
        .nav-link {
            color: #8b90a7;
            font-size: 14px;
            font-weight: 500;
            transition: color 0.15s;
        }
        .nav-link:hover { color: #f0f2f8; }

        /* ── Hero banner — robloxdb style: full-width image + overlay ── */
        .hero-banner {
            background: linear-gradient(135deg, #12141e 0%, #0f1117 60%, #17111a 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse 60% 50% at 80% 50%, rgba(232,25,44,0.07) 0%, transparent 70%),
                radial-gradient(ellipse 40% 40% at 15% 60%, rgba(80,60,180,0.06) 0%, transparent 70%);
        }
        .hero-grid-lines {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
            background-size: 40px 40px;
        }

        /* ── Cards ── */
        .card {
            background: #14161d;
            border: 1px solid #252838;
            border-radius: 10px;
            transition: border-color 0.2s, background 0.2s;
        }
        .card:hover {
            border-color: #2e3248;
            background: #1a1d27;
        }
        .card-red:hover {
            border-color: rgba(232,25,44,0.35);
        }

        /* ── Code pill ── */
        .code-pill {
            background: #0f1117;
            border: 1px solid #252838;
            border-radius: 6px;
            font-family: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;
            font-size: 13px;
            letter-spacing: 0.03em;
            color: #c4c9e0;
            padding: 8px 12px;
            word-break: break-all;
            flex: 1;
        }

        /* ── Copy button ── */
        .copy-btn {
            background: #1a1d27;
            border: 1px solid #252838;
            border-radius: 6px;
            color: #8b90a7;
            font-size: 13px;
            font-weight: 500;
            padding: 7px 14px;
            cursor: pointer;
            transition: all 0.15s;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .copy-btn:hover {
            background: #1f2334;
            border-color: #2e3248;
            color: #f0f2f8;
        }
        .copy-btn.copied {
            border-color: #22c55e;
            color: #22c55e;
            background: rgba(34,197,94,0.08);
        }

        /* ── Red accent button ── */
        .btn-red {
            background: #e8192c;
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            border-radius: 7px;
            padding: 10px 22px;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            transition: background 0.15s, transform 0.1s;
            border: none;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-red:hover { background: #c91323; transform: translateY(-1px); }
        .btn-red:active { transform: translateY(0); }

        .btn-ghost {
            background: transparent;
            color: #8b90a7;
            font-weight: 500;
            font-size: 14px;
            border-radius: 7px;
            padding: 10px 20px;
            border: 1px solid #252838;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            transition: all 0.15s;
            text-decoration: none;
        }
        .btn-ghost:hover { border-color: #2e3248; color: #f0f2f8; background: #14161d; }

        /* ── Section heading style (robloxdb: left-aligned, small red tag above) ── */
        .section-tag {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: #e8192c;
        }
        .section-title {
            font-size: 22px;
            font-weight: 700;
            color: #f0f2f8;
            margin-top: 4px;
        }
        .section-sub {
            font-size: 14px;
            color: #8b90a7;
            margin-top: 5px;
        }

        /* ── Badge ── */
        .badge-new {
            background: rgba(34,197,94,0.12);
            color: #22c55e;
            font-size: 10px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            padding: 2px 7px;
            border-radius: 4px;
            border: 1px solid rgba(34,197,94,0.2);
        }
        .badge-red {
            background: rgba(232,25,44,0.12);
            color: #e8192c;
            font-size: 10px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            padding: 2px 7px;
            border-radius: 4px;
            border: 1px solid rgba(232,25,44,0.2);
        }
        .badge-gray {
            background: rgba(139,144,167,0.1);
            color: #8b90a7;
            font-size: 11px;
            font-weight: 500;
            padding: 2px 8px;
            border-radius: 4px;
        }

        /* ── Divider ── */
        .divider { border: none; border-top: 1px solid #1e2132; margin: 0; }

        /* ── Step circle ── */
        .step-circle {
            width: 36px; height: 36px; border-radius: 50%;
            background: rgba(232,25,44,0.1);
            border: 1px solid rgba(232,25,44,0.25);
            display: flex; align-items: center; justify-content: center;
            font-size: 14px; font-weight: 700; color: #e8192c;
            flex-shrink: 0;
        }

        /* ── Scroll reveal ── */
        .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.5s ease, transform 0.5s ease; }
        .reveal.visible { opacity: 1; transform: none; }

        /* ── Filter tab ── */
        .filter-tab {
            font-size: 13px;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 6px;
            border: 1px solid #252838;
            color: #8b90a7;
            background: transparent;
            cursor: pointer;
            transition: all 0.15s;
        }
        .filter-tab:hover { color: #f0f2f8; border-color: #2e3248; background: #14161d; }
        .filter-tab.active {
            background: rgba(232,25,44,0.1);
            border-color: rgba(232,25,44,0.3);
            color: #e8192c;
        }

        /* ── Stat block ── */
        .stat-block {
            background: #14161d;
            border: 1px solid #1e2132;
            border-radius: 8px;
            padding: 14px 20px;
            text-align: center;
        }
        .stat-value { font-size: 22px; font-weight: 800; color: #f0f2f8; line-height: 1; }
        .stat-label { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; color: #555a72; text-transform: uppercase; margin-top: 4px; }

        /* ── Expired code tag ── */
        .expired-tag {
            font-family: 'SF Mono', 'Fira Code', monospace;
            font-size: 12px;
            background: #14161d;
            border: 1px solid #1e2132;
            color: #555a72;
            padding: 4px 10px;
            border-radius: 5px;
            text-decoration: line-through;
        }

        /* ── Footer ── */
        footer {
            background: #0c0e14;
            border-top: 1px solid #1e2132;
        }
        .footer-link { font-size: 13px; color: #555a72; transition: color 0.15s; }
        .footer-link:hover { color: #8b90a7; }