:root {
      --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      --font-display: Manrope, Inter, ui-sans-serif, system-ui, sans-serif;

      --color-background: #F8FAFC;
      --color-surface: #FFFFFF;
      --color-surface-muted: #F1F5F9;
      --color-border: #E2E8F0;
      --color-border-strong: #CBD5E1;
      --color-text: #0F172A;
      --color-text-muted: #475569;
      --color-text-subtle: #64748B;
      --color-primary: #102A43;
      --color-primary-action: #2563EB;
      --color-secondary: #0F766E;
      --color-success: #16A34A;
      --color-warning: #F59E0B;
      --color-danger: #DC2626;
      --color-info: #0891B2;

      --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 18px 48px rgba(15, 23, 42, 0.12);

      --radius-sm: 6px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --radius-xl: 16px;
      --radius-2xl: 20px;
      --radius-full: 999px;

      --space-1: 4px;
      --space-2: 8px;
      --space-3: 12px;
      --space-4: 16px;
      --space-5: 20px;
      --space-6: 24px;
      --space-8: 32px;
      --space-10: 40px;
      --space-12: 48px;
      --space-16: 64px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      overflow-x: hidden;
    }

    body {
      margin: 0;
      font-family: var(--font-sans);
      color: var(--color-text);
      background: linear-gradient(180deg, #F8FAFC 0%, #F1F5F9 42%, #F8FAFC 100%);
      line-height: 1.55;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
      overflow-x: hidden;
    }

    a {
      color: inherit;
    }

    .page-shell {
      min-height: 100vh;
    }

    .container {
      width: min(1120px, calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(18px);
      background: rgba(248, 250, 252, 0.86);
      border-bottom: 1px solid rgba(226, 232, 240, 0.82);
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 72px;
      gap: var(--space-6);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
      min-width: 0;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      display: inline-grid;
      place-items: center;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      color: white;
      box-shadow: var(--shadow-sm);
    }

    .brand-mark svg {
      width: 22px;
      height: 22px;
    }

    .brand-text {
      display: grid;
      gap: 0;
      min-width: 0;
    }

    .brand-title {
      font-weight: 760;
      color: var(--color-primary);
      letter-spacing: 0;
      line-height: 1.1;
      overflow-wrap: anywhere;
    }

    .brand-subtitle {
      font-size: 12px;
      color: var(--color-text-subtle);
      line-height: 1.35;
      overflow-wrap: anywhere;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 20px;
      font-size: 14px;
      color: var(--color-text-muted);
    }

    .nav-links a {
      text-decoration: none;
      font-weight: 560;
    }

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

    .hero {
      padding: 72px 0 54px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
      gap: 52px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid rgba(15, 118, 110, 0.22);
      background: rgba(236, 254, 255, 0.68);
      color: #155E75;
      padding: 6px 12px;
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .eyebrow-dot {
      width: 8px;
      height: 8px;
      border-radius: var(--radius-full);
      background: var(--color-secondary);
      box-shadow: 0 0 0 5px rgba(15, 118, 110, 0.12);
    }

    h1, h2, h3 {
      margin: 0;
      color: var(--color-primary);
      letter-spacing: 0;
      line-height: 1.08;
    }

    h1 {
      font-family: var(--font-display);
      font-size: clamp(42px, 6vw, 64px);
      max-width: 780px;
    }

    h2 {
      font-size: clamp(28px, 4vw, 40px);
      margin-bottom: 14px;
    }

    h3 {
      font-size: 21px;
      margin-bottom: 10px;
      letter-spacing: 0;
    }

    .hero-lede {
      margin: 22px 0 0;
      color: var(--color-text-muted);
      font-size: 19px;
      line-height: 1.68;
      max-width: 720px;
    }

    .hero-note {
      margin: 18px 0 0;
      color: var(--color-text-muted);
      font-size: 15px;
      line-height: 1.7;
      max-width: 680px;
    }

    .cta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .hero-reassurance {
      margin: 12px 0 0;
      color: var(--color-text-muted);
      font-size: 14px;
      line-height: 1.6;
      max-width: 680px;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: var(--radius-md);
      border: 1px solid transparent;
      font-weight: 720;
      font-size: 14px;
      text-decoration: none;
      text-align: center;
      cursor: pointer;
      transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background-color 160ms ease;
    }

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

    .button-primary {
      background: var(--color-primary-action);
      color: #FFFFFF;
      border-color: var(--color-primary-action);
      box-shadow: 0 10px 26px rgba(37, 99, 235, 0.18);
    }

    .button:disabled,
    .button[aria-disabled="true"] {
      opacity: 0.62;
      cursor: not-allowed;
      transform: none;
      box-shadow: none;
    }

    .button-secondary {
      background: var(--color-surface);
      color: var(--color-primary);
      border-color: var(--color-border-strong);
      box-shadow: var(--shadow-sm);
    }

    .button-tertiary {
      background: transparent;
      color: var(--color-primary);
      border-color: rgba(15, 118, 110, 0.25);
    }

    .button svg {
      width: 18px;
      height: 18px;
      flex: none;
    }

    .trust-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 30px;
    }

    .trust-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: var(--radius-full);
      padding: 8px 12px;
      font-size: 13px;
      font-weight: 650;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid var(--color-border);
      color: var(--color-text-muted);
      max-width: 100%;
    }

    .trust-pill svg {
      width: 16px;
      height: 16px;
      color: var(--color-secondary);
    }

    .hero-card {
      background: rgba(255, 255, 255, 0.86);
      border: 1px solid rgba(226, 232, 240, 0.94);
      border-radius: var(--radius-2xl);
      box-shadow: var(--shadow-lg);
      padding: 24px;
      position: relative;
      overflow: hidden;
    }

    .hero-card::before {
      content: "";
      position: absolute;
      inset: 0 0 auto 0;
      height: 6px;
      background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-primary-action));
    }

    .research-card-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 22px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: var(--radius-full);
      padding: 5px 10px;
      font-size: 12px;
      line-height: 18px;
      font-weight: 720;
      color: #166534;
      background: #DCFCE7;
      white-space: nowrap;
    }

    .card-label {
      font-size: 12px;
      font-weight: 760;
      color: var(--color-text-subtle);
      letter-spacing: 0;
      text-transform: uppercase;
      margin-bottom: 6px;
    }

    .card-title {
      font-size: 22px;
      line-height: 1.25;
      font-weight: 780;
      color: var(--color-primary);
      letter-spacing: 0;
    }

    .mini-metrics {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .metric-row {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 12px;
      align-items: start;
      border: 1px solid var(--color-border);
      background: rgba(248, 250, 252, 0.88);
      border-radius: var(--radius-xl);
      padding: 14px;
    }

    .metric-icon {
      width: 42px;
      height: 42px;
      display: inline-grid;
      place-items: center;
      border-radius: 14px;
      background: #ECFEFF;
      color: var(--color-secondary);
    }

    .metric-icon svg {
      width: 21px;
      height: 21px;
    }

    .metric-title {
      display: block;
      color: var(--color-primary);
      font-weight: 740;
      margin-bottom: 2px;
    }

    .metric-copy {
      display: block;
      color: var(--color-text-muted);
      font-size: 14px;
      line-height: 1.55;
    }

    section {
      padding: 54px 0;
      scroll-margin-top: 92px;
    }

    .section-intro {
      max-width: 760px;
      color: var(--color-text-muted);
      font-size: 17px;
      line-height: 1.75;
      margin: 0 0 26px;
    }

    .section-intro-tight {
      margin-bottom: 0;
    }

    .panel-copy {
      color: var(--color-text-muted);
      line-height: 1.75;
    }

    .panel-copy-first {
      margin-top: 0;
    }

    .panel-copy-spaced {
      margin: 18px 0 0;
    }

    .two-column {
      display: grid;
      grid-template-columns: 0.92fr 1.08fr;
      gap: 32px;
      align-items: start;
    }

    .panel {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-2xl);
      box-shadow: var(--shadow-sm);
      padding: 26px;
    }

    .panel-muted {
      background: var(--color-surface-muted);
    }

    .list-clean {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .list-clean-flush {
      margin-top: 0;
    }

    .list-clean li {
      display: grid;
      grid-template-columns: 22px 1fr;
      gap: 10px;
      color: var(--color-text-muted);
      line-height: 1.6;
    }

    .check-icon {
      margin-top: 4px;
      width: 18px;
      height: 18px;
      color: var(--color-secondary);
    }

    .topic-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      margin-top: 24px;
    }

    .topic-chip {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-xl);
      padding: 14px 14px;
      color: var(--color-primary);
      font-size: 14px;
      font-weight: 680;
      box-shadow: var(--shadow-sm);
    }

    .participation-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 18px;
      margin-top: 28px;
    }

    .option-card {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-2xl);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      min-height: 100%;
    }

    .option-number {
      width: 34px;
      height: 34px;
      display: inline-grid;
      place-items: center;
      border-radius: 12px;
      background: #DBEAFE;
      color: #1D4ED8;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .option-card:nth-child(2) .option-number {
      background: #ECFEFF;
      color: #155E75;
    }

    .option-card:nth-child(3) .option-number {
      background: #F1F5F9;
      color: #334155;
    }

    .option-card p {
      color: var(--color-text-muted);
      margin: 0 0 20px;
      line-height: 1.66;
    }

    .option-card .button {
      margin-top: auto;
      width: 100%;
    }

    .dark-band {
      background: linear-gradient(135deg, #0B1220 0%, #102A43 56%, #0F766E 100%);
      color: #F8FAFC;
      margin-top: 24px;
      padding: 64px 0;
    }

    .dark-band h2,
    .dark-band h3 {
      color: #F8FAFC;
    }

    .dark-band .section-intro,
    .dark-band p {
      color: #CBD5E1;
    }

    .calendly-panel {
      background: rgba(17, 24, 39, 0.72);
      border: 1px solid rgba(51, 65, 85, 0.92);
      border-radius: var(--radius-2xl);
      box-shadow: var(--shadow-lg);
      padding: 20px;
      overflow: hidden;
    }

    .calendly-help {
      margin: 0 0 18px;
      font-size: 14px;
      color: #CBD5E1;
    }

    .calendly-frame {
      display: block;
      width: 100%;
      min-width: 0;
      height: 700px;
      border: 0;
      border-radius: var(--radius-xl);
      background: #FFFFFF;
    }

    .privacy-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 24px;
    }

    .notice-card {
      padding: 22px;
      border-radius: var(--radius-2xl);
      border: 1px solid var(--color-border);
      background: var(--color-surface);
      box-shadow: var(--shadow-sm);
    }

    .notice-card strong {
      display: block;
      color: var(--color-primary);
      margin-bottom: 8px;
      font-size: 16px;
    }

    .notice-card p {
      margin: 0;
      color: var(--color-text-muted);
      line-height: 1.7;
    }

    .about-card {
      display: grid;
      grid-template-columns: 72px 1fr;
      gap: 18px;
      align-items: start;
    }

    .avatar-placeholder {
      width: 72px;
      height: 72px;
      border-radius: 22px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      color: #fff;
      display: grid;
      place-items: center;
      font-size: 24px;
      font-weight: 800;
      box-shadow: var(--shadow-sm);
    }

    .contact-layout {
      display: grid;
      grid-template-columns: 0.86fr 1.14fr;
      gap: 30px;
      align-items: start;
    }

    .contact-sidebar {
      background: var(--color-primary);
      color: #F8FAFC;
      border-radius: var(--radius-2xl);
      padding: 28px;
      box-shadow: var(--shadow-md);
    }

    .contact-sidebar h2 {
      color: #F8FAFC;
    }

    .contact-sidebar p {
      color: #CBD5E1;
      line-height: 1.75;
    }

    .contact-sidebar a {
      color: #BFDBFE;
      font-weight: 700;
      text-decoration: none;
    }

    .contact-form {
      display: grid;
      gap: 16px;
    }

    .contact-form[hidden] {
      display: none;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .field {
      display: grid;
      gap: 7px;
    }

    .field.has-error input,
    .field.has-error textarea,
    .field.has-error select {
      border-color: var(--color-danger);
      box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
    }

    label {
      font-size: 13px;
      color: var(--color-primary);
      font-weight: 720;
    }

    input,
    textarea,
    select {
      width: 100%;
      min-height: 42px;
      border-radius: var(--radius-md);
      border: 1px solid var(--color-border);
      background: var(--color-surface);
      color: var(--color-text);
      padding: 10px 12px;
      font: inherit;
      outline: none;
      transition: border-color 140ms ease, box-shadow 140ms ease;
    }

    textarea {
      min-height: 140px;
      resize: vertical;
    }

    input:focus,
    textarea:focus,
    select:focus {
      border-color: var(--color-primary-action);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
    }

    .helper-text {
      color: var(--color-text-subtle);
      font-size: 13px;
      line-height: 1.55;
    }

    .field-error {
      min-height: 18px;
      color: var(--color-danger);
      font-size: 12px;
      line-height: 1.5;
    }

    .honeypot-field {
      position: absolute;
      left: -10000px;
      width: 1px;
      height: 1px;
      overflow: hidden;
    }

    .checkbox-field {
      display: grid;
      grid-template-columns: 18px 1fr;
      gap: 10px;
      align-items: start;
      margin-top: 2px;
    }

    .checkbox-field input {
      min-height: auto;
      width: 18px;
      height: 18px;
      margin-top: 2px;
    }

    .checkbox-field label {
      color: var(--color-text-muted);
      font-weight: 560;
      line-height: 1.6;
    }

    .checkbox-field .field-error {
      grid-column: 2;
    }

    .turnstile-field {
      min-height: 68px;
    }

    .turnstile-shell {
      width: 100%;
      min-height: 65px;
    }

    .form-error,
    .form-success {
      display: none;
      margin-top: 18px;
      border-radius: var(--radius-lg);
      padding: 16px;
      line-height: 1.6;
    }

    .form-error.visible,
    .form-success.visible {
      display: block;
    }

    .form-error {
      border: 1px solid rgba(220, 38, 38, 0.24);
      background: #FEF2F2;
      color: #991B1B;
    }

    .form-success {
      border: 1px solid rgba(22, 163, 74, 0.24);
      background: #F0FDF4;
      color: #166534;
    }

    .form-success h3 {
      color: #166534;
      margin-bottom: 6px;
    }

    .form-success p {
      margin: 0;
    }

    .footer-cta {
      padding: 48px 0 70px;
    }

    .footer-cta-card {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-2xl);
      padding: 28px;
      box-shadow: var(--shadow-md);
    }

    .footer-cta-card p {
      margin: 8px 0 0;
      color: var(--color-text-muted);
    }

    .cta-row-footer {
      margin-top: 0;
    }

    footer {
      border-top: 1px solid var(--color-border);
      background: rgba(255, 255, 255, 0.64);
      padding: 28px 0;
      color: var(--color-text-subtle);
      font-size: 14px;
    }

    .footer-inner {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    :focus-visible {
      outline: 3px solid rgba(37, 99, 235, 0.35);
      outline-offset: 2px;
    }

    @media (max-width: 960px) {
      .nav {
        align-items: flex-start;
        padding: 14px 0;
      }

      .nav-links {
        display: none;
      }

      .hero-grid,
      .two-column,
      .contact-layout {
        grid-template-columns: 1fr;
      }

      .participation-grid {
        grid-template-columns: 1fr;
      }

      .topic-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .privacy-grid,
      .form-grid {
        grid-template-columns: 1fr;
      }

      .footer-cta-card {
        display: grid;
      }
    }

    @media (max-width: 620px) {
      .container {
        width: min(100% - 28px, 1120px);
      }

      .hero {
        padding-top: 44px;
      }

      h1 {
        font-size: 34px;
        line-height: 1.14;
      }

      h2 {
        font-size: 30px;
      }

      .cta-row,
      .footer-cta-card .cta-row {
        display: grid;
      }

      .button {
        width: 100%;
        white-space: normal;
      }

      .trust-strip {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
      }

      .trust-pill {
        align-items: flex-start;
        border-radius: var(--radius-md);
        width: 100%;
      }

      .topic-grid {
        grid-template-columns: 1fr;
      }

      .about-card {
        grid-template-columns: 1fr;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
      }
    }