    :root {
      --teal: #45B8AC;
      --teal-dark: #2f9b91;
      --teal-soft: #e8f8f6;
      --cream: #fdf8f2;
      --ink: #15201f;
      --muted: #65706f;
      --white: #ffffff;
      --line: #e7eceb;
      --shadow: 0 18px 50px rgba(21, 32, 31, 0.12);
      --radius: 24px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      background: var(--cream);
      color: var(--ink);
      line-height: 1.6;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

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

    .nav {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(253, 248, 242, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(231, 236, 235, 0.8);
    }

    .nav-inner {
      height: 68px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: -0.02em;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 11px;
      object-fit: cover;
      box-shadow: 0 8px 20px rgba(69, 184, 172, 0.3);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 22px;
      font-size: 14px;
      font-weight: 650;
      color: var(--muted);
    }

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

    .lang-switch {
      position: relative;
      margin-inline-start: 4px;
      padding-inline-start: 16px;
      border-inline-start: 1px solid var(--line);
    }

    .lang-switch summary {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      cursor: pointer;
      list-style: none;
      padding: 6px 12px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: white;
      font-size: 13px;
      font-weight: 700;
      color: var(--muted);
    }

    .lang-switch summary::-webkit-details-marker {
      display: none;
    }

    .lang-switch summary::marker {
      content: "";
    }

    .lang-switch summary:hover,
    .lang-switch[open] summary {
      color: var(--teal-dark);
      border-color: var(--teal);
    }

    .lang-menu {
      position: absolute;
      inset-inline-end: 0;
      top: calc(100% + 8px);
      z-index: 60;
      display: flex;
      flex-direction: column;
      gap: 2px;
      min-width: 160px;
      background: white;
      border: 1px solid var(--line);
      border-radius: 14px;
      box-shadow: var(--shadow);
      padding: 8px;
    }

    .lang-menu a {
      padding: 9px 12px;
      border-radius: 9px;
      font-size: 14px;
      font-weight: 650;
      color: var(--ink);
    }

    .lang-menu a:hover {
      background: var(--teal-soft);
    }

    .lang-menu a[aria-current="page"] {
      color: var(--teal-dark);
      font-weight: 800;
      background: var(--teal-soft);
      pointer-events: none;
    }

    .hero {
      padding: 72px 0 48px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      align-items: center;
      gap: 48px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 14px;
      border-radius: 999px;
      background: var(--teal-soft);
      color: var(--teal-dark);
      font-size: 13px;
      font-weight: 750;
      margin-bottom: 22px;
    }

    h1 {
      font-size: clamp(42px, 7vw, 76px);
      line-height: 0.98;
      letter-spacing: -0.06em;
      max-width: 760px;
    }

    h1 span {
      color: var(--teal-dark);
    }

    .lead {
      font-size: clamp(17px, 2vw, 21px);
      color: var(--muted);
      margin-top: 24px;
      max-width: 620px;
    }

    .actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      margin-top: 32px;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 52px;
      padding: 0 24px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 800;
      transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    }

    .button:hover {
      transform: translateY(-2px);
    }

    .button-primary {
      color: white;
      background: var(--teal);
      box-shadow: 0 12px 28px rgba(69, 184, 172, 0.35);
    }

    .button-primary:hover {
      background: var(--teal-dark);
    }

    .button-secondary {
      color: var(--teal-dark);
      background: white;
      border: 1px solid var(--line);
    }

    .privacy-line {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
    }

    .privacy-line span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .phone-card {
      position: relative;
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 36px;
      padding: 22px;
      box-shadow: var(--shadow);
      max-width: 440px;
      margin-inline-start: auto;
    }

    .phone-screen {
      border-radius: 28px;
      background: linear-gradient(180deg, #ffffff, #f4fbfa);
      padding: 22px;
      border: 1px solid var(--line);
    }

    .screen-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 20px;
    }

    .baby-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: var(--teal-soft);
      color: var(--teal-dark);
      font-weight: 800;
      font-size: 13px;
    }

    .mini-date {
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .stat-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .stat {
      border-radius: 20px;
      background: white;
      border: 1px solid var(--line);
      padding: 16px;
    }

    .stat-icon {
      font-size: 24px;
      margin-bottom: 8px;
    }

    .stat-value {
      font-size: 22px;
      font-weight: 900;
      letter-spacing: -0.04em;
    }

    .stat-label {
      font-size: 13px;
      color: var(--muted);
      font-weight: 650;
    }

    .timeline {
      margin-top: 16px;
      border-radius: 22px;
      background: var(--ink);
      color: white;
      padding: 18px;
    }

    .timeline h3 {
      font-size: 15px;
      margin-bottom: 12px;
    }

    .timeline-row {
      display: flex;
      justify-content: space-between;
      border-top: 1px solid rgba(255,255,255,0.12);
      padding: 11px 0;
      font-size: 13px;
      color: rgba(255,255,255,0.78);
    }

    .timeline-row strong {
      color: white;
    }

    .qr-card {
      margin-top: 18px;
      display: grid;
      grid-template-columns: 96px 1fr;
      gap: 16px;
      align-items: center;
      background: white;
      border: 1px solid var(--line);
      border-radius: 22px;
      padding: 14px;
    }

    .qr-card img {
      width: 96px;
      height: 96px;
      object-fit: cover;
      border-radius: 14px;
    }

    .qr-card strong {
      display: block;
      line-height: 1.25;
    }

    .qr-card p {
      color: var(--muted);
      font-size: 13px;
      margin-top: 4px;
    }

    .section {
      padding: 72px 0;
    }

    .section-head {
      text-align: center;
      max-width: 700px;
      margin: 0 auto 36px;
    }

    .section-head h2 {
      font-size: clamp(30px, 4vw, 46px);
      line-height: 1.05;
      letter-spacing: -0.045em;
    }

    .section-head p {
      color: var(--muted);
      font-size: 17px;
      margin-top: 12px;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .feature {
      background: white;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 24px;
      min-height: 210px;
    }

    .feature-icon {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background: var(--teal-soft);
      font-size: 23px;
      margin-bottom: 18px;
    }

    .feature h3 {
      font-size: 18px;
      margin-bottom: 8px;
      letter-spacing: -0.02em;
    }

    .feature p {
      color: var(--muted);
      font-size: 15px;
    }

    .privacy-panel {
      background: var(--ink);
      color: white;
      border-radius: 34px;
      padding: clamp(32px, 5vw, 56px);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 34px;
      align-items: center;
      overflow: hidden;
      position: relative;
    }

    .privacy-panel::after {
      content: "";
      position: absolute;
      inset-inline-end: -130px;
      top: -130px;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: rgba(69, 184, 172, 0.24);
    }

    .privacy-panel h2 {
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.05;
      letter-spacing: -0.045em;
      position: relative;
      z-index: 1;
    }

    .privacy-panel p {
      color: rgba(255,255,255,0.76);
      margin-top: 14px;
      font-size: 17px;
      position: relative;
      z-index: 1;
    }

    .privacy-list {
      display: grid;
      gap: 12px;
      position: relative;
      z-index: 1;
    }

    .privacy-item {
      display: flex;
      align-items: center;
      gap: 12px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.10);
      border-radius: 18px;
      padding: 14px 16px;
      font-weight: 750;
    }

    .cta {
      text-align: center;
      background: white;
      border: 1px solid var(--line);
      border-radius: 34px;
      padding: clamp(34px, 6vw, 64px);
      box-shadow: 0 14px 40px rgba(21,32,31,0.08);
    }

    .cta h2 {
      font-size: clamp(32px, 5vw, 54px);
      line-height: 1.05;
      letter-spacing: -0.05em;
    }

    .cta p {
      max-width: 580px;
      margin: 14px auto 28px;
      color: var(--muted);
      font-size: 17px;
    }

    footer {
      padding: 34px 0;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-inner {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 16px;
      border-top: 1px solid var(--line);
      padding-top: 24px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
    }

    .footer-links a:hover {
      color: var(--teal-dark);
    }

    @media (max-width: 900px) {
      .hero-grid,
      .privacy-panel {
        grid-template-columns: 1fr;
      }

      .phone-card {
        margin: 0 auto;
      }

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

    @media (max-width: 640px) {
      .wrap {
        width: min(100% - 28px, 1120px);
      }

      .nav-inner {
        height: auto;
        padding: 14px 0;
        align-items: flex-start;
        gap: 14px;
        flex-direction: column;
      }

      .nav-links {
        gap: 16px;
        /* The translated labels (fr/es/tr especially) are long enough that four links plus the
           language pill overflow a ~390px viewport on one line. */
        flex-wrap: wrap;
      }

      .hero {
        padding-top: 48px;
      }

      .actions {
        align-items: stretch;
        flex-direction: column;
      }

      .button {
        width: 100%;
      }

      .feature-grid,
      .stat-grid {
        grid-template-columns: 1fr;
      }

      .qr-card {
        grid-template-columns: 1fr;
        text-align: center;
      }

      .qr-card img {
        margin: 0 auto;
      }
    }
