:root,
    [data-theme="light"] {
      --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
      --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
      --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
      --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
      --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
      --space-1: 0.25rem;
      --space-2: 0.5rem;
      --space-3: 0.75rem;
      --space-4: 1rem;
      --space-5: 1.25rem;
      --space-6: 1.5rem;
      --space-8: 2rem;
      --space-10: 2.5rem;
      --space-12: 3rem;
      --space-16: 4rem;
      --space-20: 5rem;
      --radius-sm: 0.375rem;
      --radius-md: 0.5rem;
      --radius-lg: 0.75rem;
      --radius-xl: 1rem;
      --radius-full: 9999px;
      --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
      --font-body: 'Satoshi', 'Inter', sans-serif;
      --color-bg: #f7f6f2;
      --color-surface: #f9f8f5;
      --color-surface-2: #fbfbf9;
      --color-surface-offset: #f3f0ec;
      --color-divider: #dcd9d5;
      --color-border: #d4d1ca;
      --color-text: #28251d;
      --color-text-muted: #66645e;
      --color-text-faint: #97958d;
      --color-text-inverse: #f9f8f4;
      --color-primary: #3D0066;
      --color-primary-hover: #6A2F92;
      --color-primary-highlight: #cedcd8;
      --color-success: #437a22;
      --color-warning: #964219;
      --color-error: #a12c7b;
      --color-orange: #da7101;
      --color-blue: #006494;
      --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.06);
      --shadow-md: 0 4px 12px oklch(0.2 0.01 80 / 0.08);
      --shadow-lg: 0 12px 32px oklch(0.2 0.01 80 / 0.12);
      --content-wide: 1200px;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      text-rendering: optimizeLegibility;
      scroll-behavior: smooth;
      scroll-padding-top: 5rem;
    }

    body {
      min-height: 100dvh;
      font-family: var(--font-body);
      font-size: var(--text-base);
      line-height: 1.6;
      color: var(--text-color);
      /* background:
        radial-gradient(circle at top left, color-mix(in oklab, var(--color-primary) 20%, transparent), transparent 34%),
        radial-gradient(circle at right 20% top 10%, color-mix(in oklab, var(--color-blue) 16%, transparent), transparent 28%),
        var(--color-bg); */
    }

    img,
    svg {
      display: block;
      max-width: 100%;
    }

    button,
    input {
      font: inherit;
      color: inherit;
    }

    button {
      border: 0;
      background: none;
      cursor: pointer;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition-interactive), background var(--transition-interactive), border-color var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
    }

    :focus-visible {
      outline: 2px solid var(--color-primary);
      outline-offset: 3px;
      border-radius: var(--radius-sm);
    }

    @media (prefers-reduced-motion: reduce) {

      *,
      *::before,
      *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
      }
    }

    .skip-link {
      position: absolute;
      left: var(--space-4);
      top: -3rem;
      background: var(--color-primary);
      color: var(--color-text-inverse);
      padding: var(--space-3) var(--space-4);
      border-radius: var(--radius-md);
      z-index: 1000;
    }

    .skip-link:focus {
      top: var(--space-4);
    }

    .container {
      width: min(calc(100% - 2rem), var(--content-wide));
      margin-inline: auto;
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(14px);
      background: color-mix(in oklab, var(--color-bg) 80%, transparent);
      border-bottom: 1px solid color-mix(in oklab, var(--color-text) 12%, transparent);
    }

    .topbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-4);
      min-height: 4.75rem;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: var(--space-3);
      /* min-height: 44px; */
      max-width: 200px;
      width: 100%;
    }

    .brand-mark {
      width: 2.5rem;
      height: 2.5rem;
      padding: 0.45rem;
      border-radius: 0.85rem;
      background: linear-gradient(180deg, color-mix(in oklab, var(--color-primary) 18%, var(--color-surface-2)), var(--color-surface));
      border: 1px solid color-mix(in oklab, var(--color-primary) 35%, var(--color-border));
      box-shadow: var(--shadow-sm);
    }

    .brand-copy strong {
      display: block;
      font-size: var(--text-sm);
      letter-spacing: 0.01em;
    }

    .brand-copy span {
      display: block;
      color: var(--color-text-muted);
      font-size: var(--text-xs);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: var(--space-5);
      color: var(--color-text-muted);
      font-size: var(--text-sm);
    }

    .nav-links a:hover {
      color: var(--color-text);
    }

    .topbar-actions {
      display: flex;
      align-items: center;
      gap: var(--space-3);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: var(--space-2);
      min-height: 44px;
      padding: 0 var(--space-4);
      border-radius: var(--radius-full);
      font-size: var(--text-sm);
      font-weight: 700;
      border: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
    }

    .btn:hover {
      transform: translateY(-1px);
    }

    .btn-primary {
      background: var(--color-primary);
      color: var(--color-text-inverse);
      box-shadow: var(--shadow-md);
      border-color: color-mix(in oklab, var(--color-primary) 50%, transparent);
    }

    .btn-primary:hover {
      background: var(--color-primary-hover);
    }

    .btn-secondary {
      background: var(--color-surface);
      color: var(--color-text);
    }

    /* .icon-btn {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--color-surface);
      border: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
      display: inline-grid;
      place-items: center;
    } */

    .hero {
      padding-block: clamp(var(--space-10), 8vw, var(--space-20));
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: var(--space-8);
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: var(--space-2);
      min-height: 36px;
      padding: 0 var(--space-3);
      border-radius: var(--radius-full);
      background: color-mix(in oklab, var(--color-primary) 8%, var(--color-surface));
      color: var(--color-primary-hover);
      border: 1px solid color-mix(in oklab, var(--color-primary) 20%, transparent);
      font-size: var(--text-xs);
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .hero h1 {
      margin-top: var(--space-5);
      font-size: var(--text-xl);
      line-height: 1.05;
      letter-spacing: -0.04em;
      /* max-width: 12ch; */
    }

    .hero p {
      margin-top: var(--space-4);
      max-width: 58ch;
      color: var(--color-text-muted);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-3);
      margin-top: var(--space-6);
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-5);
      margin-top: var(--space-6);
      color: var(--color-text-muted);
      font-size: var(--text-sm);
    }

    .hero-meta strong {
      display: block;
      color: var(--color-text);
      font-size: var(--text-base);
    }

    .surface-card {
      background: color-mix(in oklab, var(--color-surface) 88%, transparent);
      border: 1px solid color-mix(in oklab, var(--color-text) 11%, transparent);
      box-shadow: var(--shadow-lg);
      border-radius: 1.4rem;
    }

    .hover-line {
      position: relative;
      overflow: hidden;
      transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive);
    }

    .hover-line::before {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--color-primary), var(--color-blue));
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 300ms ease;
      z-index: 10;
    }

    .hover-line:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 40px oklch(0.2 0.01 80 / 0.12);
      border-color: color-mix(in oklab, var(--color-primary) 30%, transparent);
    }

    .hover-line:hover::before {
      transform: scaleX(1);
    }

    .hero-panel {
      padding: var(--space-5);
      position: relative;
      overflow: hidden;
    }

    .hero-panel::after {
      content: "";
      position: absolute;
      inset: auto -10% -18% auto;
      width: 13rem;
      height: 13rem;
      border-radius: 50%;
      background: color-mix(in oklab, var(--color-primary) 18%, transparent);
      filter: blur(10px);
      pointer-events: none;
    }

    .mini-shell {
      display: grid;
      gap: var(--space-4);
      position: relative;
      z-index: 1;
    }

    .mini-header,
    .mini-metrics,
    .mini-table-row,
    .detail-line {
      display: flex;
      justify-content: space-between;
      gap: var(--space-3);
      align-items: center;
    }

    .mini-header {
      padding-bottom: var(--space-3);
      border-bottom: 1px solid var(--color-divider);
    }

    .chip {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 var(--space-3);
      border-radius: var(--radius-full);
      font-size: var(--text-xs);
      font-weight: 700;
      border: 1px solid transparent;
    }

    .chip-success {
      background: color-mix(in oklab, var(--color-success) 16%, transparent);
      color: var(--color-success);
      border-color: color-mix(in oklab, var(--color-success) 35%, transparent);
    }

    .chip-info {
      background: color-mix(in oklab, var(--color-primary) 14%, transparent);
      color: var(--color-primary-hover);
      border-color: color-mix(in oklab, var(--color-primary) 32%, transparent);
    }

    .chip-critical {
      background: color-mix(in oklab, var(--color-error) 18%, transparent);
      color: var(--color-error);
    }

    .chip-high {
      background: color-mix(in oklab, var(--color-orange) 18%, transparent);
      color: var(--color-orange);
    }

    .chip-medium {
      background: color-mix(in oklab, var(--color-warning) 18%, transparent);
      color: var(--color-warning);
    }

    .chip-low {
      background: color-mix(in oklab, var(--color-success) 18%, transparent);
      color: var(--color-success);
    }

    .mini-metrics>div,
    .metric-card,
    .feature-card,
    .proof-card,
    .scan-card,
    .summary-card {
      background: var(--color-surface-2);
      border: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent);
      border-radius: 1rem;
    }

    .mini-metrics>div {
      flex: 1;
      padding: var(--space-4);
    }

    .mini-metrics span,
    .mini-table-row span:first-child,
    .detail-line span:first-child,
    label,
    .section-kicker {
      color: var(--color-text-muted);
      font-size: var(--text-xs);
      letter-spacing: 0.04em;
      text-transform: uppercase;
      font-weight: 700;
    }

    .metric-value,
    .mini-metrics strong {
      font-size: var(--text-lg);
      font-weight: 900;
      letter-spacing: -0.03em;
      font-variant-numeric: tabular-nums lining-nums;
    }

    .mini-table {
      display: grid;
      gap: var(--space-2);
    }

    .mini-table-row {
      padding: var(--space-3) var(--space-4);
    }

    .section {
      padding-block: clamp(var(--space-8), 7vw, var(--space-16));
    }

    .section-head {
      display: flex;
      flex-wrap: wrap;
      align-items: end;
      justify-content: space-between;
      gap: var(--space-4);
      margin-bottom: var(--space-6);
    }

    .section-head h2 {
      font-size: var(--text-lg);
      line-height: 1.15;
      letter-spacing: -0.03em;
      /* max-width: 18ch; */
    }

    .section-head p {
      max-width: 58ch;
      color: var(--color-text-muted);
    }

    .feature-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      gap: var(--space-4);
    }

    .feature-card {
      padding: var(--space-5);
      min-height: 100%;
    }

    .feature-card h3,
    .scan-card h3,
    .proof-card h3,
    .summary-card h3 {
      font-size: var(--text-base);
      margin-top: var(--space-3);
      line-height: 1.2;
    }

    .feature-card p,
    .scan-card p,
    .proof-card p,
    .summary-card p {
      margin-top: var(--space-3);
      color: var(--color-text-muted);
      font-size: var(--text-sm);
    }

    .dashboard-layout {
      display: grid;
      grid-template-columns: 0.92fr 1.08fr;
      gap: var(--space-6);
      align-items: start;
    }

    .scan-card,
    .summary-card {
      padding: var(--space-5);
    }

    .target-form {
      display: grid;
      gap: var(--space-4);
      margin-top: var(--space-5);
    }

    .input-shell {
      position: relative;
    }

    .input-shell svg {
      position: absolute;
      left: var(--space-4);
      top: 50%;
      transform: translateY(-50%);
      color: var(--color-text-faint);
      width: 1rem;
      height: 1rem;
    }

    .field {
      width: 100%;
      min-height: 52px;
      padding: 0 var(--space-4) 0 2.8rem;
      border-radius: var(--radius-lg);
      border: 1px solid color-mix(in oklab, var(--color-text) 11%, transparent);
      background: var(--color-surface);
    }

    .field::placeholder {
      color: var(--color-text-faint);
    }

    .form-actions {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-3);
      align-items: center;
    }

    .helper-text,
    .validation-msg {
      font-size: var(--text-xs);
      color: var(--color-text-muted);
    }

    .validation-msg {
      min-height: 1.25rem;
    }

    .progress-block {
      margin-top: var(--space-5);
      display: none;
      gap: var(--space-2);
    }

    .progress-top {
      display: flex;
      justify-content: space-between;
      gap: var(--space-3);
      font-size: var(--text-xs);
      color: var(--color-text-muted);
    }

    .progress-bar {
      height: 10px;
      border-radius: var(--radius-full);
      background: var(--color-surface-offset);
      overflow: hidden;
    }

    .progress-fill {
      height: 100%;
      width: 0%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--color-primary), var(--color-blue));
      transition: width 220ms linear;
    }

    .summary-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: var(--space-4);
      margin-top: var(--space-5);
    }

    .metric-card {
      padding: var(--space-4);
      min-height: 7.5rem;
      display: grid;
      align-content: start;
      gap: var(--space-2);
    }

    .metric-trend {
      font-size: var(--text-xs);
      color: var(--color-text-muted);
    }

    .status-panel {
      margin-top: var(--space-4);
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-3);
      align-items: center;
      justify-content: space-between;
      padding: var(--space-4);
      background: color-mix(in oklab, var(--color-primary) 10%, var(--color-surface-2));
      border-radius: var(--radius-lg);
      border: 1px solid color-mix(in oklab, var(--color-primary) 18%, transparent);
    }

    .results-stack {
      display: grid;
      gap: var(--space-5);
      margin-top: var(--space-5);
    }

    .panel {
      padding: var(--space-5);
      background: var(--color-surface-2);
      border-radius: var(--radius-lg);
      border: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent);
    }

    .panel-head {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: var(--space-3);
      margin-bottom: var(--space-4);
    }

    .panel-head h4 {
      font-size: var(--text-sm);
      letter-spacing: 0.02em;
    }

    .panel-head p {
      color: var(--color-text-muted);
      font-size: var(--text-xs);
    }

    .table-wrap {
      overflow: auto;
      border-radius: var(--radius-md);
      border: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent);
      content-visibility: auto;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      font-size: var(--text-sm);
    }

    thead th {
      text-align: left;
      background: color-mix(in oklab, var(--color-surface) 85%, transparent);
      color: var(--color-text-muted);
      padding: var(--space-3) var(--space-4);
      font-size: var(--text-xs);
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }

    tbody td {
      padding: var(--space-3) var(--space-4);
      border-top: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent);
      vertical-align: top;
    }

    tbody tr:hover {
      background: color-mix(in oklab, var(--color-primary) 6%, transparent);
    }

    .mono {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-variant-numeric: tabular-nums lining-nums;
    }

    .proof-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: var(--space-4);
    }

    .proof-card {
      padding: var(--space-5);
    }

    .footer {
      padding: var(--space-8) 0 var(--space-10);
      border-top: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
      color: var(--color-text-muted);
    }

    .footer-inner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-4);
    }

    .mobile-only {
      display: none;
    }

    @media (max-width: 1080px) {

      .hero-grid,
      .dashboard-layout,
      .feature-grid,
      .proof-grid {
        grid-template-columns: 1fr;
      }

      .nav-links {
        display: none;
      }

      .mobile-only {
        display: inline-flex;
      }
    }

    @media (max-width: 640px) {
      .container {
        width: min(calc(100% - 1.25rem), var(--content-wide));
      }

      .topbar-inner {
        min-height: 4.25rem;
      }

      .hero-actions,
      .form-actions,
      .summary-grid,
      .hero-meta {
        grid-template-columns: 1fr;
      }

      .summary-grid {
        display: grid;
      }

      .topbar-actions .btn-secondary {
        display: none;
      }

      .btn {
        min-height: 44px;
      }

      /* .btn,
      .icon-btn {
        min-height: 44px;
      } */

      .panel,
      .scan-card,
      .summary-card,
      .feature-card,
      .proof-card {
        padding: var(--space-4);
      }
    }