* { box-sizing: border-box; }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: system-ui, -apple-system, sans-serif;
      background:
        radial-gradient(circle at top, rgba(88, 166, 255, 0.18), transparent 55%),
        radial-gradient(circle at bottom, rgba(35, 134, 54, 0.16), transparent 55%),
        linear-gradient(160deg, #0f1419 0%, #1a2332 40%, #0d1117 100%);
      color: #e6edf3;
      display: flex;
      flex-direction: column;
    }

    .page-shell {
      position: relative;
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 0 1.25rem 3rem;
    }

    /* Top navigation */
    .wl-header {
      width: 100%;
      padding: 18px 30px 10px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .wl-header-inner {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .wl-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: #e6edf3;
      font-weight: 600;
      font-size: 0.95rem;
    }

    .wl-brand span {
      letter-spacing: 0.04em;
    }

    .wl-nav a {
      margin-left: 18px;
      text-decoration: none;
      color: #8b949e;
      font-size: 0.9rem;
      transition: color 0.18s ease;
    }

    .wl-nav a:hover {
      color: #e6edf3;
    }

    /* Logo circle — single <img class="owl-img">, no background-image */
    .logo-circle {
      width: 140px;
      height: 140px;
      border-radius: 50%;
      border: 4px solid rgba(255, 255, 255, 0.8);
      display: flex;
      align-items: center;
      justify-content: center;
      background: transparent;
      box-sizing: border-box;
      overflow: hidden;
    }

    .owl-img {
      width: 80%;
      height: 80%;
      object-fit: contain;
      display: block;
      flex-shrink: 0;
    }

    .logo-circle.small {
      width: 32px;
      height: 32px;
      border-width: 2px;
    }

    /* Hero layout */
    .hero {
      max-width: 900px;
      width: 100%;
      margin: 36px auto 40px;
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
      gap: 40px;
      align-items: center;
    }

    .hero-left {
      max-width: 520px;
    }

    .hero-kicker-block {
      margin: 0 0 0.5rem 0;
    }

    .hero-kicker {
      font-size: 0.8rem;
      color: #6e7681;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin: 0 0 0.28rem 0;
    }

    .hero-kicker-beta {
      font-size: 0.68rem;
      color: #6e7681;
      letter-spacing: 0.04em;
      text-transform: none;
      font-weight: 400;
      margin: 0;
      opacity: 0.88;
    }

    .hero-title {
      font-size: clamp(1.85rem, 3.6vw, 2.45rem);
      line-height: 1.18;
      margin: 0 0 0.85rem 0;
      max-width: 22em;
      letter-spacing: -0.02em;
    }

    .hero-subtitle {
      font-size: 0.98rem;
      color: #8b949e;
      margin: 0 0 0.85rem 0;
      max-width: 480px;
      line-height: 1.55;
    }

    .hero-trust-anchor {
      font-size: 0.92rem;
      color: #c9d1d9;
      margin: 0 0 1.35rem 0;
      max-width: 480px;
      font-weight: 500;
      letter-spacing: 0.01em;
      line-height: 1.45;
    }

    .hero-ctas {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      margin-bottom: 0.75rem;
    }

    .btn {
      border-radius: 999px;
      font-size: 0.9rem;
      padding: 0.6rem 1.4rem;
      border: 1px solid transparent;
      cursor: pointer;
      font-weight: 500;
      font-family: inherit;
      display: inline-block;
      text-align: center;
      transition:
        background-color 0.16s ease,
        border-color 0.16s ease,
        color 0.16s ease,
        transform 0.1s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, #238636, #2ea043);
      border-color: rgba(46, 160, 67, 0.9);
      color: #f0f6fc;
      box-shadow: 0 8px 24px rgba(46, 160, 67, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #2ea043, #3fb950);
      transform: translateY(-1px);
    }

    .btn-ghost {
      background: transparent;
      border-color: rgba(140, 149, 159, 0.5);
      color: #c9d1d9;
    }

    .btn-ghost:hover {
      border-color: rgba(201, 209, 217, 0.8);
      background: rgba(110, 118, 129, 0.18);
    }

    .hero-note {
      font-size: 0.8rem;
      color: #6e7681;
      margin: 0.35rem 0 0;
    }

    .hero-beta-explain {
      margin: 0.75rem 0 0;
      max-width: 480px;
      font-size: 1rem;
      line-height: 1.5;
      color: #c9d1d9;
      font-weight: 500;
    }

    .hero-beta-size-hint {
      margin: 0.35rem 0 0;
      max-width: 480px;
      font-size: 0.76rem;
      line-height: 1.45;
      color: #6e7681;
      opacity: 0.92;
    }

    .hero-right {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 18px;
    }

    .hero-orbit {
      position: relative;
      width: 180px;
      height: 180px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .hero-glow {
      position: absolute;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(88, 166, 255, 0.35), transparent 65%);
      filter: blur(10px);
      opacity: 0.9;
      z-index: 0;
    }

    .hero-orbit .logo-circle {
      position: relative;
      z-index: 1;
    }

    .hero-panel {
      width: 100%;
      max-width: 360px;
      border-radius: 14px;
      background: rgba(13, 17, 23, 0.92);
      border: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: 0 18px 40px rgba(0, 0, 0, 0.65);
      overflow: hidden;
    }

    .hero-panel-header {
      padding: 10px 14px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8rem;
      color: #8b949e;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .hero-panel-title {
      font-weight: 500;
      color: #e6edf3;
    }

    .hero-panel-badge {
      padding: 2px 8px;
      border-radius: 999px;
      border: 1px solid rgba(63, 185, 80, 0.7);
      color: #3fb950;
      font-size: 0.7rem;
    }

    .hero-panel-body {
      padding: 12px 14px 10px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .hero-bubble {
      border-radius: 12px;
      padding: 0.55rem 0.8rem;
      font-size: 0.85rem;
      line-height: 1.4;
    }

    .hero-bubble.user {
      align-self: flex-end;
      background: rgba(35, 134, 54, 0.2);
      border: 1px solid rgba(63, 185, 80, 0.5);
    }

    .hero-bubble.assistant {
      align-self: flex-start;
      background: rgba(22, 27, 34, 0.9);
      border: 1px solid rgba(110, 118, 129, 0.5);
    }

    .hero-panel-input {
      padding: 10px 14px 12px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .hero-input-pill {
      border-radius: 999px;
      background: rgba(13, 17, 23, 0.9);
      border: 1px solid rgba(110, 118, 129, 0.6);
      padding: 6px 10px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8rem;
      color: #6e7681;
    }

    .hero-input-send {
      font-size: 0.85rem;
      color: #8b949e;
    }

    /* Trust strip */
    .trust-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-top: 1.5rem;
    }

    .trust-item {
      font-size: 0.78rem;
      color: #8b949e;
      padding: 0.25rem 0.7rem;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: rgba(13, 17, 23, 0.8);
    }

    /* Generic sections */
    .section {
      max-width: 900px;
      width: 100%;
      margin: 48px auto 0;
    }

    .section h2 {
      font-size: 1.3rem;
      margin: 0 0 0.75rem 0;
    }

    .section-lead {
      margin: 0 0 0.5rem 0;
      font-size: 0.95rem;
      color: #8b949e;
      max-width: 640px;
    }

    .section-body {
      margin: 0;
      font-size: 0.9rem;
      color: #8b949e;
      max-width: 640px;
      line-height: 1.55;
    }

    .section .section-body + .section-body {
      margin-top: 0.65rem;
    }

    .safety-tagline {
      font-size: 0.95rem;
      color: #c9d1d9;
      font-weight: 500;
      margin: 0 0 0.85rem 0;
      max-width: 640px;
    }

    .safety-key-statement {
      margin-top: 1rem;
      font-weight: 500;
      color: #c9d1d9;
      font-size: 0.92rem;
      line-height: 1.45;
    }

    /* How it works */
    .how-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 1rem;
      margin-top: 1.25rem;
    }

    .how-card {
      background: rgba(17, 24, 39, 0.75);
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      padding: 1.1rem 1.2rem;
    }

    .how-card h3 {
      margin: 0 0 0.5rem 0;
      font-size: 1rem;
    }

    .how-card p {
      margin: 0;
      font-size: 0.86rem;
      color: #8b949e;
      line-height: 1.5;
    }

    .beta-step-download-wrap {
      text-align: center;
    }

    .beta-download-btn {
      background: linear-gradient(135deg, #4ade80, #22c55e);
      color: white;
      padding: 12px 22px;
      border-radius: 10px;
      font-weight: 600;
      border: none;
      cursor: pointer;
      margin-top: 12px;
      display: inline-block;
      text-decoration: none;
      font-size: 0.9rem;
      font-family: inherit;
      transition: transform 0.16s ease, box-shadow 0.16s ease;
    }

    .beta-download-btn:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(34, 197, 94, 0.35);
      color: white;
    }

    .how-transition {
      margin: 1.35rem 0 0;
      font-size: 0.88rem;
      color: #6e7681;
      line-height: 1.55;
      max-width: 640px;
    }

    .guided-demo-flow {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 1rem;
      margin-top: 1.25rem;
    }

    .guided-step {
      background: rgba(17, 24, 39, 0.75);
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      padding: 1.1rem 1.2rem;
      opacity: 0;
      transform: translateY(8px);
      transition: opacity 0.28s ease, transform 0.28s ease, border-color 0.2s ease;
    }

    .guided-step.is-active {
      opacity: 1;
      transform: translateY(0);
    }

    .guided-step h3 {
      margin: 0 0 0.45rem 0;
      font-size: 1rem;
    }

    .guided-step p {
      margin: 0 0 0.75rem 0;
      font-size: 0.86rem;
      color: #8b949e;
      line-height: 1.5;
    }

    .guided-visual {
      background: rgba(13, 17, 23, 0.72);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 10px;
      padding: 0.72rem 0.8rem;
      font-size: 0.84rem;
      color: #c9d1d9;
      line-height: 1.45;
    }

    .guided-chip {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      font-size: 0.78rem;
      padding: 0.18rem 0.55rem;
      border-radius: 999px;
      border: 1px solid rgba(63, 185, 80, 0.6);
      background: rgba(46, 160, 67, 0.12);
      color: #8ddb98;
      margin-bottom: 0.42rem;
    }

    .guided-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #3fb950;
      box-shadow: 0 0 0 rgba(63, 185, 80, 0.45);
      animation: guidedPulse 1.25s ease-in-out infinite;
    }

    @keyframes guidedPulse {
      0% { box-shadow: 0 0 0 0 rgba(63, 185, 80, 0.45); }
      70% { box-shadow: 0 0 0 6px rgba(63, 185, 80, 0); }
      100% { box-shadow: 0 0 0 0 rgba(63, 185, 80, 0); }
    }

    .guided-response {
      display: grid;
      gap: 0.45rem;
    }

    .guided-response-answer {
      color: #c9d1d9;
      font-size: 0.83rem;
      line-height: 1.45;
    }

    .guided-response-meta {
      font-size: 0.76rem;
      color: #8b949e;
    }

    .guided-save {
      margin-top: 0.15rem;
      display: inline-flex;
      width: fit-content;
      border-radius: 999px;
      border: 1px solid rgba(140, 149, 159, 0.45);
      padding: 0.28rem 0.62rem;
      font-size: 0.76rem;
      color: #c9d1d9;
      background: rgba(17, 24, 39, 0.55);
    }

    .guided-demo-cta {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      margin-top: 1.15rem;
    }

    .how-card .pillar-list {
      margin: 0.5rem 0 0;
      padding-left: 1.1rem;
      font-size: 0.86rem;
      color: #8b949e;
      line-height: 1.45;
    }

    .how-card .pillar-list li {
      margin: 0.2rem 0;
    }

    .principle-note {
      margin: 1rem 0 0;
      font-size: 0.85rem;
      color: #6e7681;
      line-height: 1.55;
      font-style: italic;
    }

    .section-subtitle {
      font-size: 1rem;
      margin: 1.35rem 0 0.5rem 0;
      font-weight: 600;
      color: #e6edf3;
    }

    /* Transparency section */
    .transparency-list {
      list-style: disc;
      margin: 0.75rem 0 0 1.2rem;
      padding: 0;
      font-size: 0.9rem;
      color: #8b949e;
    }

    .beta-reqs-list {
      margin-top: 0.5rem;
    }

    #how-whisperleaf-works {
      scroll-margin-top: 120px;
    }

    .link-cta {
      display: inline-block;
      margin-top: 1rem;
      font-size: 0.9rem;
      color: #58a6ff;
      text-decoration: none;
    }

    .link-cta:hover {
      text-decoration: underline;
    }

    /* Comparison */
    .compare-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 1.25rem;
      margin-top: 1.25rem;
    }

    .compare-column {
      background: rgba(17, 24, 39, 0.75);
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      padding: 1.1rem 1.2rem;
    }

    .compare-column--highlight {
      border-color: rgba(63, 185, 80, 0.6);
    }

    .compare-column h3 {
      margin: 0 0 0.5rem 0;
      font-size: 1rem;
    }

    .compare-column ul {
      margin: 0;
      padding-left: 1.1rem;
      list-style: disc;
      color: #8b949e;
      font-size: 0.9rem;
    }

    /* Final CTA */
    .final-cta {
      text-align: center;
    }

    .final-cta-actions {
      margin-top: 1.1rem;
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      justify-content: center;
    }

    @keyframes owl-cta-pulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.02); }
    }

    .final-cta-owl {
      margin-top: 2.25rem;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.4rem;
      text-decoration: none;
    }

    .final-cta-owl-button {
      width: 72px;
      height: 72px;
      border-radius: 50%;
      border: 2px solid rgba(255, 255, 255, 0.85);
      box-sizing: border-box;
      overflow: hidden;
      background: transparent;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 30px rgba(88, 166, 255, 0.2);
      cursor: pointer;
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
      animation: owl-cta-pulse 3s ease-in-out infinite;
    }

    .final-cta-owl:hover .final-cta-owl-button {
      animation: none;
      transform: scale(1.05);
      box-shadow: 0 0 40px rgba(88, 166, 255, 0.35);
      border-color: #ffffff;
    }

    .final-cta-owl-button.owl-cta-clicked {
      transform: scale(0.97);
      transition-duration: 0.12s;
    }

    .final-cta-owl-button .owl-img {
      width: 80%;
      height: 80%;
      object-fit: contain;
    }

    .final-cta-owl-label {
      font-size: 0.85rem;
      color: #8b949e;
    }

    @media (prefers-reduced-motion: reduce) {
      .final-cta-owl-button {
        animation: none;
      }

      .guided-step {
        transition: none;
      }

      .guided-dot {
        animation: none;
      }
    }

    .btn-link-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      padding: 0.6rem 1.4rem;
      border: 1px solid rgba(140, 149, 159, 0.4);
      color: #c9d1d9;
      text-decoration: none;
      font-size: 0.9rem;
      transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
    }

    .btn-link-ghost:hover {
      border-color: rgba(201, 209, 217, 0.8);
      background: rgba(110, 118, 129, 0.18);
    }

    /* “See how it works” — lightweight modal walkthrough */
    .how-modal {
      position: fixed;
      inset: 0;
      z-index: 1000;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 1rem;
      box-sizing: border-box;
    }

    .how-modal.hidden {
      display: none;
    }

    .how-modal-backdrop {
      position: absolute;
      inset: 0;
      background: rgba(0, 0, 0, 0.55);
      cursor: pointer;
    }

    .how-modal-panel {
      position: relative;
      z-index: 1;
      width: 100%;
      max-width: 32rem;
      max-height: min(90vh, 36rem);
      overflow-y: auto;
      padding: 1.35rem 1.35rem 1.25rem;
      margin: 0;
      background: rgba(17, 24, 39, 0.97);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 12px;
      box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
      -webkit-backdrop-filter: blur(8px);
      backdrop-filter: blur(8px);
    }

    .how-modal-close {
      position: absolute;
      top: 0.55rem;
      right: 0.55rem;
      width: 2rem;
      height: 2rem;
      padding: 0;
      border: none;
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.06);
      color: #8b949e;
      font-size: 1.25rem;
      line-height: 1;
      cursor: pointer;
      transition: background-color 0.15s ease, color 0.15s ease;
    }

    .how-modal-close:hover {
      background: rgba(255, 255, 255, 0.1);
      color: #e6edf3;
    }

    .how-modal-section {
      margin-bottom: 1.25rem;
    }

    .how-modal-section:last-of-type {
      margin-bottom: 0;
    }

    .how-modal-panel h2 {
      margin: 0 0 0.65rem 0;
      font-size: 1.1rem;
      font-weight: 600;
      color: #e6edf3;
      letter-spacing: -0.02em;
      line-height: 1.3;
      padding-right: 2rem;
    }

    .how-modal-panel .section-body {
      margin: 0;
      font-size: 0.92rem;
      color: #8b949e;
      line-height: 1.55;
    }

    .how-modal-demo {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }

    .how-modal-line {
      margin: 0;
      font-size: 0.88rem;
      color: #c9d1d9;
      line-height: 1.45;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .wl-header {
        padding-inline: 16px;
      }

      .wl-header-inner {
        gap: 8px;
      }

      .wl-nav {
        display: none;
      }

      .hero {
        grid-template-columns: 1fr;
        gap: 28px;
        margin-top: 28px;
      }

      .hero-right {
        order: -1;
      }

      .section {
        margin-top: 40px;
      }
    }

    /* Download page */
    .download-page {
      max-width: 520px;
      width: 100%;
      margin: 2rem auto 3rem;
      text-align: center;
    }

    .download-page-hero {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1.25rem;
      margin-bottom: 1.5rem;
    }

    .download-page-logo {
      width: 88px;
      height: 88px;
      border-width: 3px;
    }

    .download-page-title {
      margin: 0;
      font-size: clamp(1.5rem, 4vw, 1.85rem);
      font-weight: 600;
      letter-spacing: -0.02em;
      line-height: 1.2;
      color: #e6edf3;
    }

    .download-lead {
      margin: 0 0 1.75rem;
      font-size: 0.98rem;
      line-height: 1.55;
      color: #8b949e;
    }

    .download-status {
      text-align: left;
      padding: 1.25rem 1.35rem;
      border-radius: 12px;
      background: rgba(17, 24, 39, 0.85);
      border: 1px solid rgba(88, 166, 255, 0.22);
      box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
      margin-bottom: 2rem;
    }

    .download-status-heading {
      margin: 0 0 0.45rem 0;
      font-size: 1rem;
      font-weight: 600;
      color: #c9d1d9;
    }

    .download-status-text {
      margin: 0;
      font-size: 0.9rem;
      line-height: 1.5;
      color: #8b949e;
    }

    .download-smartscreen-note {
      margin-top: 0.75rem !important;
    }

    .download-reqs {
      text-align: left;
      margin-bottom: 1.75rem;
    }

    .download-reqs .section-subtitle {
      margin-top: 0;
      text-align: center;
    }

    .download-reqs-list {
      margin-left: auto;
      margin-right: auto;
      max-width: 22rem;
    }

    .download-cta-wrap {
      margin-bottom: 1.5rem;
    }

    .download-footnote {
      margin: 0 0 2rem;
      font-size: 0.82rem;
      color: #6e7681;
      line-height: 1.5;
    }

    .download-back {
      margin: 0;
    }