:root {
            --bg: #f4f8ff;
            --card: #ffffff;
            --ink: #071326;
            --muted: #64748b;
            --line: #dbeafe;
            --soft: #eff6ff;
            --brand: #2563eb;
            --brand-dark: #1d4ed8;
            --navy: #020617;
            --cyan: #67e8f9;
            --green: #10b981;
            --lime: #84cc16;
            --orange: #f59e0b;
            --red: #ef4444;
          }

          * { box-sizing: border-box; }
          html { scroll-behavior: smooth; }

          body {
            margin: 0;
            min-height: 100vh;
            font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background:
              radial-gradient(circle at 50% -8%, rgba(37, 99, 235, .16), transparent 34rem),
              radial-gradient(circle at 100% 24%, rgba(103, 232, 249, .20), transparent 24rem),
              radial-gradient(circle at 0% 100%, rgba(99, 102, 241, .12), transparent 28rem),
              var(--bg);
            color: var(--ink);
          }

          a { color: inherit; }
          .page-shell { width: min(1280px, calc(100% - 36px)); margin: 0 auto; padding: 0 0 56px; }
          .page-anchor { display: block; height: 0; scroll-margin-top: 0; }
          .topbar { position: relative; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 0; }
          .brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; min-width: 0; }
          .brand-mark { width: 44px; height: 44px; border-radius: 16px; display: grid; place-items: center; background: linear-gradient(135deg, #1d4ed8, #172554); color: #fff; font-weight: 950; box-shadow: 0 15px 32px rgba(37,99,235,.24); flex: 0 0 auto; }
          .brand-text strong { display: block; font-size: 17px; letter-spacing: -.03em; }
          .brand-text span { display: block; color: var(--brand); font-size: 11px; font-weight: 950; text-transform: uppercase; letter-spacing: .22em; margin-top: 2px; }
          .nav-actions { display: flex; align-items: center; justify-content: flex-end; gap: 22px; flex-wrap: wrap; }
          .nav-actions a, .user-chip { color: #53627a; text-decoration: none; font-size: 14px; font-weight: 900; white-space: nowrap; cursor: pointer; }
          .nav-actions a:hover { color: var(--brand); }
          .register-link { background: var(--navy); color: #fff !important; border-radius: 999px; padding: 10px 18px; box-shadow: 0 12px 26px rgba(2,6,23,.18); }
          .register-link:hover { background: var(--brand-dark); }
          .user-chip { background: #fff; border: 1px solid var(--line); padding: 9px 12px; border-radius: 999px; color: var(--ink); }

          .hero { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 44px; background: #fff; padding: clamp(34px, 6vw, 72px) clamp(18px, 5vw, 52px); text-align: center; box-shadow: 0 28px 90px rgba(37,99,235,.14); }
          .hero::before { content: ""; position: absolute; inset: -160px 16% auto; height: 410px; border-radius: 999px; background: radial-gradient(circle, rgba(219,234,254,.98), transparent 70%); filter: blur(24px); }
          .hero::after { content: ""; position: absolute; right: -130px; bottom: -220px; width: 420px; height: 420px; border-radius: 999px; background: rgba(207,250,254,.88); filter: blur(34px); }
          .hero-inner { position: relative; z-index: 1; }
          .eyebrow { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--soft); color: #1e40af; border-radius: 999px; padding: 10px 16px; font-size: 12px; font-weight: 950; text-transform: uppercase; letter-spacing: .22em; }
          h1 { margin: 24px auto 0; max-width: 980px; font-size: clamp(46px, 8vw, 94px); line-height: .95; letter-spacing: -.07em; }
          .hero-lead { margin: 24px auto 0; max-width: 740px; color: var(--muted); font-size: clamp(17px, 2.2vw, 20px); line-height: 1.7; }

          .scanner-box { margin: 34px auto 0; max-width: 980px; border: 1px solid var(--line); background: white; border-radius: 34px; padding: 12px; box-shadow: 0 28px 70px rgba(37,99,235,.18); }
          .scan-form { display: grid; grid-template-columns: 1fr 230px; gap: 10px; }
          .scan-form.with-json { grid-template-columns: 1fr 230px 150px; }
          .input-wrap { position: relative; }
          .input-icon { position: absolute; left: 22px; top: 50%; transform: translateY(-50%); width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; color: var(--brand); font-size: 22px; line-height: 1; pointer-events: none; }
          input { min-width: 0; width: 100%; height: 76px; border-radius: 26px; border: 1px solid var(--line); background: rgba(239,246,255,.65); color: var(--ink); padding: 0 18px 0 58px; font-size: 18px; font-weight: 900; outline: none; transition: .18s ease; }
          input:focus { background: #fff; border-color: #93c5fd; box-shadow: 0 0 0 4px rgba(147,197,253,.26); }
          button, .button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px; border: 0; border-radius: 20px; padding: 14px 20px; background: var(--brand); color: white; font-weight: 950; font-size: 15px; cursor: pointer; text-decoration: none; white-space: nowrap; }
          .scan-form button { height: 76px; border-radius: 26px; font-size: 18px; box-shadow: 0 20px 42px rgba(37,99,235,.24); }
          button:hover, .button:hover { background: var(--brand-dark); color: white; }
          button.secondary { background: var(--navy); color: #fff; box-shadow: none; }
          .scanner-note { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; padding: 14px 10px 4px; color: var(--muted); font-size: 14px; font-weight: 800; }
          .scanner-note strong { color: #1e40af; }
          .dot { width: 4px; height: 4px; border-radius: 999px; background: #cbd5e1; }
          button:disabled, .button[aria-busy="true"] { cursor: wait; opacity: .72; pointer-events: none; }
          .scan-form.is-scanning input { opacity: .72; }
          .scan-status { display: none; margin-top: 12px; border: 1px solid #bfdbfe; background: linear-gradient(135deg, rgba(239,246,255,.96), rgba(236,254,255,.9)); border-radius: 26px; padding: 16px; text-align: left; box-shadow: inset 0 1px 0 rgba(255,255,255,.8); }
          .scan-status.active { display: block; }
          .scan-status.is-error { border-color: #fecaca; background: #fff1f2; }
          .scan-status.is-complete { border-color: #bbf7d0; background: #f0fdf4; }
          .scan-status-head { display: flex; align-items: flex-start; gap: 13px; }
          .scan-spinner { width: 42px; height: 42px; border-radius: 16px; display: inline-flex; align-items: center; justify-content: center; background: #dbeafe; color: var(--brand); flex: 0 0 auto; font-size: 18px; }
          .scan-status.is-error .scan-spinner { background: #fee2e2; color: var(--red); }
          .scan-status.is-complete .scan-spinner { background: #dcfce7; color: #15803d; }
          .scan-status strong { display: block; color: var(--ink); font-size: 15px; font-weight: 950; letter-spacing: -.02em; }
          .scan-status span span, .scan-status-head div > span { display: block; margin-top: 4px; color: var(--muted); font-size: 13px; line-height: 1.45; font-weight: 800; }
          .scan-progress { height: 8px; margin-top: 14px; overflow: hidden; border-radius: 999px; background: #dbeafe; }
          .scan-progress span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--brand), var(--cyan)); transition: width .35s ease; }
          .scan-status.is-error .scan-progress span { background: var(--red); }
          .scan-status.is-complete .scan-progress span { background: var(--green); }
          .scan-steps { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; margin-top: 12px; }
          .scan-steps span { border: 1px solid #dbeafe; background: #fff; color: #64748b; border-radius: 999px; padding: 7px 6px; text-align: center; font-size: 10px; line-height: 1; font-weight: 950; text-transform: uppercase; letter-spacing: .08em; }
          .scan-steps span.active { background: #1d4ed8; border-color: #1d4ed8; color: #fff; }

          .hero-stats { margin: 28px auto 0; max-width: 980px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
          .stat { border: 1px solid var(--line); background: rgba(239,246,255,.66); border-radius: 20px; padding: 17px; text-align: left; }
          .stat strong { display: block; font-size: 30px; line-height: 1; letter-spacing: -.04em; }
          .stat span { display: block; margin-top: 7px; color: var(--muted); text-transform: uppercase; letter-spacing: .13em; font-size: 11px; font-weight: 950; }

          .checks-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
          .check-card, .soft-card { background: rgba(255,255,255,.9); border: 1px solid var(--line); border-radius: 28px; padding: 22px; box-shadow: 0 18px 46px rgba(37,99,235,.08); }
          .check-card { display: flex; gap: 14px; align-items: flex-start; }
          .icon-box { width: 48px; height: 48px; border-radius: 18px; display: grid; place-items: center; background: var(--soft); color: var(--brand); font-size: 21px; flex: 0 0 auto; }
          .fa-icon { display: inline-flex; align-items: center; justify-content: center; line-height: 1; }
          .icon-box .fa-icon { width: 1.1em; height: 1.1em; text-align: center; }
          .check-card strong, .soft-card strong { display: block; font-size: 18px; letter-spacing: -.03em; }
          .check-card div > span, .soft-card p { display: block; margin-top: 6px; color: var(--muted); font-size: 14px; line-height: 1.55; }

          .section-card { margin-top: 44px; background: #fff; border: 1px solid var(--line); border-radius: 38px; padding: clamp(22px, 4vw, 34px); box-shadow: 0 28px 75px rgba(37,99,235,.10); }
          .section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 22px; margin-bottom: 26px; }
          .section-kicker { color: var(--brand); font-size: 12px; font-weight: 950; letter-spacing: .22em; text-transform: uppercase; }
          .section-head h2 { margin: 8px 0 0; max-width: 760px; font-size: clamp(34px, 5vw, 52px); line-height: 1; letter-spacing: -.05em; }
          .section-head p { margin: 12px 0 0; max-width: 740px; color: var(--muted); line-height: 1.65; }
          .outline-button { border: 1px solid var(--line); background: #fff; color: var(--ink); box-shadow: none; }
          .outline-button:hover { background: var(--soft); color: var(--ink); }

          .sample-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 20px; }
          .report-dark { background: linear-gradient(135deg, #020617, #0d1f4a 55%, #183c91); color: #fff; border-radius: 30px; padding: 28px; }
          .report-top { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; }
          .report-top small { display: block; color: var(--cyan); font-weight: 950; letter-spacing: .20em; text-transform: uppercase; font-size: 11px; }
          .report-top h3 { margin: 10px 0 8px; font-size: 30px; letter-spacing: -.04em; }
          .report-top p { margin: 0; color: #dbeafe; line-height: 1.6; font-size: 14px; }
          .score-ring { width: 96px; height: 96px; border-radius: 50%; background: conic-gradient(var(--lime) 0 86%, #e5e7eb 86% 100%); display: grid; place-items: center; padding: 10px; flex: 0 0 auto; }
          .score-ring span { width: 72px; height: 72px; border-radius: 50%; background: #fff; color: var(--ink); display: grid; place-items: center; font-size: 28px; font-weight: 950; }
          .issue-list { margin-top: 28px; display: grid; gap: 12px; }
          .issue-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: rgba(255,255,255,.10); border-radius: 18px; padding: 14px; }
          .issue-main { display: flex; align-items: center; gap: 12px; min-width: 0; }
          .issue-count { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; font-weight: 950; background: #dcfce7; color: #047857; flex: 0 0 auto; }
          .issue-count.warn { background: #fef3c7; color: #b45309; }
          .issue-main strong { display: block; font-size: 14px; }
          .issue-main div > span { display: block; margin-top: 3px; color: #dbeafe; font-size: 12px; font-weight: 750; }
          .status-icon { width: 22px; height: 22px; display: inline-flex; align-items: center; justify-content: center; color: #86efac; font-weight: 950; flex: 0 0 auto; }
          .status-icon.warn { color: #fbbf24; }
          .score-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; align-content: start; }
          .score-card { border: 1px solid var(--line); background: rgba(239,246,255,.66); border-radius: 24px; padding: 18px; }
          .score-card-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; font-weight: 950; font-size: 14px; }
          .score-pill { background: #fff; border-radius: 999px; padding: 6px 11px; box-shadow: 0 8px 22px rgba(15,23,42,.06); }
          .bar { margin-top: 15px; height: 11px; background: #dbeafe; border-radius: 999px; overflow: hidden; }
          .bar span { display: block; height: 100%; border-radius: 999px; }
          .bar .green { background: var(--green); }
          .bar .lime { background: var(--lime); }
          .bar .amber { background: var(--orange); }
          .history-note { grid-column: 1 / -1; display: flex; gap: 12px; align-items: center; border: 1px solid var(--line); background: rgba(239,246,255,.66); border-radius: 24px; padding: 18px; }
          .history-note strong { display: block; }
          .history-note div > span { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; line-height: 1.5; }

          .pricing-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
          .pricing-card { min-height: 650px; display: flex; flex-direction: column; border: 1px solid var(--line); background: rgba(239,246,255,.45); color: var(--ink); border-radius: 30px; padding: 20px; box-shadow: 0 18px 45px rgba(37,99,235,.07); }
          .pricing-card.featured { background: var(--brand); color: white; border-color: #bfdbfe; box-shadow: 0 24px 60px rgba(37,99,235,.24); }
          .pricing-head { height: 132px; display: flex; flex-direction: column; gap: 12px; }
          .pricing-title-row { min-height: 32px; display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
          .pricing-title-row h3 { margin: 0; font-size: 24px; line-height: 1.15; letter-spacing: -.04em; }
          .pricing-head p { min-height: 48px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
          .featured .pricing-head p { color: #eff6ff; }
          .plan-badge-row { min-height: 28px; display: flex; align-items: flex-start; flex-wrap: wrap; gap: 8px; }
          .popular-pill, .founder-pill { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: 6px 11px; font-size: 11px; line-height: 1; font-weight: 950; text-transform: uppercase; letter-spacing: .14em; white-space: nowrap; }
          .popular-pill { flex: 0 0 auto; background: var(--cyan); color: var(--ink); }
          .founder-pill { background: #dbeafe; color: #1e40af; }
          .featured .founder-pill { background: rgba(255,255,255,.16); color: #eff6ff; }
          .price-block { margin-top: 2px; height: 132px; }
          .price-main { height: 46px; display: flex; align-items: flex-end; gap: 8px; }
          .plan-price { display: block; font-size: 48px; line-height: 1; letter-spacing: -.06em; font-weight: 950; }
          .price-suffix { padding-bottom: 7px; color: var(--muted); font-size: 14px; font-weight: 850; }
          .featured .price-suffix { color: #bfdbfe; }
          .regular-price { display: block; height: 18px; color: #64748b; text-decoration: line-through; font-size: 13px; line-height: 18px; font-weight: 950; }
          .regular-price.is-empty { opacity: 0; }
          .featured .regular-price { color: #dbeafe; }
          .yearly-note { height: 14px; color: #1e40af; opacity: 0; font-size: 11px; line-height: 14px; font-weight: 950; text-transform: uppercase; letter-spacing: .12em; }
          .pricing-section.is-yearly .yearly-note:not(.is-empty) { opacity: 1; }
          .featured .yearly-note { color: var(--cyan); }
          .plan-highlight { margin-top: 8px; height: 64px; display: flex; flex-direction: column; justify-content: center; border-radius: 18px; padding: 0 16px; background: rgba(219,234,254,.78); color: #1e40af; }
          .featured .plan-highlight { background: rgba(255,255,255,.13); color: #eff6ff; }
          .plan-highlight span { display: block; white-space: nowrap; font-size: 15px; line-height: 20px; font-weight: 950; }
          .plan-highlight small { display: block; margin-top: 4px; font-size: 11px; line-height: 16px; font-weight: 950; text-transform: uppercase; letter-spacing: .14em; opacity: .82; }
          .pricing-card ul { list-style: none; margin: 28px 0 32px; padding: 0; display: grid; gap: 12px; }
          .pricing-card li { display: flex; align-items: flex-start; gap: 11px; color: #334155; font-size: 14px; line-height: 1.55; font-weight: 800; }
          .featured li { color: #eff6ff; }
          .check-dot { width: 18px; height: 18px; margin-top: 2px; border: 2px solid var(--green); border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; color: var(--green); font-size: 10px; line-height: 1; font-weight: 950; flex: 0 0 auto; }
          .featured .check-dot { border-color: var(--cyan); color: var(--cyan); }
          .plan-cta { margin-top: auto; min-height: 48px; width: 100%; display: inline-flex; align-items: center; justify-content: center; border-radius: 18px; background: var(--navy); color: #fff; font-size: 14px; font-weight: 950; text-decoration: none; text-align: center; }
          .featured .plan-cta { background: var(--cyan); color: var(--ink); }
          .plan-cta:hover { filter: brightness(.96); }
          .pricing-controls { display: flex; flex-direction: column; gap: 12px; align-items: flex-end; }
          .founder-count-pill { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--soft); color: #1e40af; border-radius: 999px; padding: 10px 16px; font-size: 14px; font-weight: 950; white-space: nowrap; }
          .billing-switch { display: inline-flex; border: 1px solid var(--line); background: #f8fafc; border-radius: 999px; padding: 4px; box-shadow: 0 10px 24px rgba(15,23,42,.06); }
          .billing-toggle { min-height: 40px; border-radius: 999px; padding: 8px 20px; background: transparent; color: #64748b; box-shadow: none; font-size: 14px; }
          .billing-toggle:hover { background: transparent; color: var(--brand); }
          .billing-toggle.active { background: var(--navy); color: #fff; box-shadow: 0 12px 24px rgba(2,6,23,.16); }
          .billing-toggle.yearly.active { background: var(--brand); }
          .save-badge { margin-left: 7px; border-radius: 999px; background: var(--cyan); color: var(--ink); padding: 3px 8px; font-size: 10px; line-height: 1; font-weight: 950; text-transform: uppercase; letter-spacing: .10em; }

          .three-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
          .step-number { width: 48px; height: 48px; border-radius: 18px; display: grid; place-items: center; background: var(--soft); color: var(--brand); font-size: 18px; font-weight: 950; margin-bottom: 18px; }

          .footer { margin-top: 56px; padding-bottom: 8px; }
          .footer-card { border: 1px solid #1e293b; background: #020617; color: #fff; border-radius: 36px; padding: clamp(28px, 4vw, 40px); box-shadow: 0 28px 75px rgba(15,23,42,.18); }
          .footer-grid { display: grid; grid-template-columns: 1.2fr 2fr; gap: 42px; }
          .footer .brand { color: #fff; }
          .footer .brand-text strong { color: #fff; }
          .footer .brand-text span { color: var(--cyan); }
          .footer p { margin: 20px 0 0; max-width: 470px; color: #cbd5e1; line-height: 1.7; font-size: 14px; }
          .footer-scan { margin-top: 24px; display: inline-flex; align-items: center; gap: 6px; background: var(--cyan); color: var(--ink); text-decoration: none; border-radius: 999px; padding: 12px 18px; font-size: 14px; font-weight: 950; }
          .footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
          .footer-links h4 { margin: 0 0 14px; color: #fff; text-transform: uppercase; letter-spacing: .16em; font-size: 12px; }
          .footer-links a { display: block; color: #94a3b8; text-decoration: none; font-size: 14px; font-weight: 750; margin-top: 10px; }
          .footer-links a:hover { color: var(--cyan); }
          .footer-bottom { margin-top: 34px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.10); display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; color: #94a3b8; font-size: 12px; font-weight: 800; }
          .footer-bottom a { color: #94a3b8; text-decoration: none; margin-left: 14px; }
          .footer-bottom a:hover { color: var(--cyan); }

          .result-wrap { margin-top: 18px; display: none; }
          .result-wrap.active { display: block; }
          pre { max-height: 420px; overflow: auto; margin: 0; background: #020617; border: 1px solid #1e293b; border-radius: 22px; padding: 18px; color: #bfdbfe; white-space: pre-wrap; overflow-wrap: anywhere; box-shadow: 0 18px 45px rgba(15,23,42,.16); }

          @media (max-width: 1020px) {
            .sample-grid, .footer-grid { grid-template-columns: 1fr; }
            .checks-grid, .pricing-grid, .three-grid { grid-template-columns: 1fr 1fr; }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
          }
          @media (max-width: 760px) {
            .page-shell { width: min(100% - 22px, 1280px); }
            .topbar { align-items: flex-start; flex-direction: column; }
            .nav-actions { justify-content: flex-start; gap: 14px; }
            .hero { border-radius: 30px; padding: 30px 16px; }
            h1 { font-size: clamp(40px, 13vw, 58px); }
            .scan-form, .scan-form.with-json { grid-template-columns: 1fr; }
            .scan-form button { width: 100%; }
            .scan-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .hero-stats, .checks-grid, .score-grid, .pricing-grid, .three-grid { grid-template-columns: 1fr; }
            .section-head { align-items: flex-start; flex-direction: column; }
            .footer-links { grid-template-columns: 1fr; }
            .footer-bottom a { margin-left: 0; margin-right: 14px; }
          }