    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      font-family: 'Helvetica Neue', -apple-system, sans-serif;
      background: #fafafa;
      color: #333;
      line-height: 1.6;
      overflow-x: hidden;
    }
    .hero {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 4rem 2rem;
      max-width: 1200px;
      margin: 0 auto;
    }
    .logo {
      font-size: clamp(3rem, 8vw, 6rem);
      font-weight: 300;
      color: #000;
      letter-spacing: -0.03em;
      margin-bottom: 1rem;
    }
    .tagline {
      font-size: clamp(1.4rem, 4vw, 2.2rem);
      font-weight: 300;
      max-width: 700px;
      margin-bottom: 2rem;
      color: #444;
    }
    .stats {
      font-size: 1.1rem;
      color: #666;
      font-weight: 400;
      margin-bottom: 3rem;
    }
    .stats-number {
      font-weight: 600;
      color: #000;
      font-size: 1.3rem;
    }
    .signup-section {
      background: #fff;
      border-radius: 16px;
      padding: 3rem 2.5rem 1rem 2.5rem;
      max-width: 600px;
      width: 100%;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    }
    .form-title {
      font-size: 1.6rem;
      font-weight: 500;
      margin-bottom: 0.5rem;
      color: #000;
    }
    .form-desc {
      color: #666;
      margin-bottom: 2rem;
      font-size: 1rem;
    }
    .form-row {
      display: flex;
      gap: 1rem;
      align-items: center;
      flex-direction: column;
    }
    input[type="email"] {
      flex: 1;
      padding: 1.2rem 1.5rem;
      border: 1px solid #e0e0e0;
      border-radius: 8px;
      font-size: 1rem;
      outline: none;
      transition: border-color 0.2s ease;
      width: 80%;
    }
    input[type="email"]:focus {
      border-color: #000;
    }
    input[type="email"]::placeholder {
      color: #999;
    }
    .submit-btn {
      background: #000;
      color: #fff;
      border: none;
      padding: 1.2rem 2rem;
      border-radius: 8px;
      font-size: 1rem;
      font-weight: 500;
      cursor: pointer;
      white-space: nowrap;
      transition: background 0.2s ease;
      width: 80%;
    }
    .submit-btn:hover {
      background: #333;
    }
    @media (max-width: 640px) {
      .form-row {
        flex-direction: column;
      }
      .signup-section {
        padding: 2.5rem 2rem;
      }
    }

    .form-row {
  display: flex;
  gap: 1rem;
  align-items: center;
}

input[type="email"],
.height-group {
  flex: 1;
}

.height-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 80%;
}

#height_cm {
  width: 100%;
}

.height-feet-inches {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

#height_ft {
  width: 100%;
}

#height_in {
  width: 100%;
}

input[type="email"],
input[type="number"] {
  padding: 1.2rem 1.5rem;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s ease;
}

input[type="email"]:focus,
input[type="number"]:focus {
  border-color: #000;
}

input[type="email"]::placeholder,
input[type="number"]::placeholder {
  color: #999;
}

@media (max-width: 640px) {
  .form-row {
    flex-direction: column;
  }
}

@media (max-width: 500px) {
  input[type="email"] {
    width: 100%;
  }
  .height-group {
    width: 100%;
  }
  .submit-btn {
    width: 100%;
  }
  select {
    width: 100%;
  }
}

.link-subtle {
  font-size: 0.9rem;
  color: #777;
  text-decoration: none;
}
.link-subtle:hover {
  color: #000;
  text-decoration: underline;
}
.link-row {
  margin-top: 1rem;
}

/*
select {
  padding: 1.2rem 1.5rem;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s ease;
  background-color: #fff;
  width: 80%;
}
  */


select {
  width: 80%;
  padding: 1.2rem 1.5rem;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  font-size: 1rem;
  font-family: 'Helvetica Neue', -apple-system, sans-serif;
  color: #333;
  background-color: #fff;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image:
    linear-gradient(-135deg, #000 50%, transparent 50%),
    linear-gradient(135deg, #000 50%, transparent 50%);
  background-position:
    calc(100% - 1.4rem) 50%,
    calc(100% - 1.03rem) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}


select:focus {
  border-color: #000;
  box-shadow: 0 0 0 1px #000;
}


select option[disabled] {
  color: #bbb;
}


#country {
  max-width: 100%;
}


/* About Page */

.page {
  min-height: 100vh;
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 3rem;
}

.logo-link {
  text-decoration: none;
  color: inherit;
}

/* About page hero */
.about-hero {
  margin-bottom: 2.5rem;
}

.about-title {
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.about-subtitle {
  font-size: 1.05rem;
  color: #555;
  max-width: 38rem;
}

/* About body copy */
.about-body {
  font-size: 1rem;
  color: #444;
  max-width: 40rem;
  line-height: 1.8;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 3rem;
}

/* About CTA */
.about-cta {
  margin-top: 1rem;
}

.about-back-link {
  font-size: 0.95rem;
  text-decoration: none;
  color: #000;
  border-bottom: 1px solid #ccc;
  padding-bottom: 0.1rem;
}

.about-back-link:hover {
  border-color: #000;
}

/* Responsive tweaks */
@media (max-width: 640px) {
  .page {
    padding: 2.5rem 1.5rem 3rem;
  }
}