body {
  background-color: #fafafa;
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding: 0;
  color: #333333;
  line-height: 1.6;
  letter-spacing: 0.2px;
}

header {
  background: url('hero.jpg') center center/cover no-repeat;
  color: white;
  text-align: center;
  padding: 80px 20px 60px;
}
header h1 {
  font-size: 3em;
  margin-bottom: 10px;
}
header p {
  font-size: 1.4em;
}

.cta-button {
  background-color: #00c853;
  color: white;
  padding: 16px 32px;
  margin-top: 25px;
  display: inline-block;
  font-weight: bold;
  font-size: 1.2em;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 200, 83, 0.3);
}
.cta-button:hover {
  background-color: #00b347;
  transform: scale(1.05);
  box-shadow: 0 6px 15px rgba(0, 179, 71, 0.4);
}

section {
  padding: 60px 20px;
  text-align: center;
}
section:nth-child(even) {
  background-color: #f0fdf4;
}

.product-images img {
  width: 40%;
  margin: 10px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

ul {
  text-align: left;
  max-width: 800px;
  margin: 20px auto;
  padding-left: 20px;
}
ul li {
  margin-bottom: 12px;
}

.video-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.video-container iframe {
  width: 45%;
  height: 250px;
  margin: 10px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

blockquote {
  background: #e8f5e9;
  margin: 20px auto;
  padding: 20px;
  max-width: 700px;
  border-left: 5px solid #00c853;
  font-style: italic;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
  border-radius: 6px;
}

footer {
  background: #1b5e20;
  color: white;
  text-align: center;
  padding: 25px;
  margin-top: 30px;
  font-size: 0.95em;
}

details {
  max-width: 800px;
  margin: 0 auto 15px auto;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 15px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
details summary {
  font-weight: bold;
  font-size: 1.1em;
  cursor: pointer;
  color: #00c853;
}
details[open] summary {
  color: #007e3a;
}

@media (max-width: 768px) {
  .product-images img,
  .video-container iframe {
    width: 90%;
  }
}

/* Sticky CTA for mobile */
@media (max-width: 768px) {
  .sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 10px;
    text-align: center;
    box-shadow: 0 -2px 5px rgba(0,0,0,0.1);
    z-index: 999;
  }
}

.doctor-quote {
  flex: 1 1 300px;
  max-width: 300px;
  min-width: 300px;
}


.doctor-quotes-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  max-width: 1000px;
  margin: auto;
}


.why-phix {
  max-width: 800px;
  margin: 40px auto;
  padding: 20px;
  text-align: center;
}

.phix-benefits {
  list-style: none;
  padding: 0;
  text-align: left;
  margin-top: 20px;
}

.phix-benefits li {
  margin-bottom: 15px;
  position: relative;
  padding-left: 30px;
}

.phix-benefits li::before {
  content: "✔️";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 18px;
}

.phix-cta {
  margin-top: 30px;
}

.testimonials {
  background-color: #f9f9f9;
  padding: 50px 20px;
  text-align: center;
}

.testimonial-wrapper {
  max-width: 800px;
  margin: auto;
  text-align: left;
}

.testimonial-wrapper blockquote {
  background: #fff;
  border-left: 4px solid #4CAF50;
  margin: 20px 0;
  padding: 20px 25px;
  font-style: italic;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  border-radius: 8px;
}

.testimonial-wrapper blockquote p {
  margin: 0 0 10px;
}

.testimonial-wrapper blockquote footer {
  font-size: 0.95em;
  color: #555;
  font-style: normal;
}

.testimonial-wrapper blockquote footer {
  font-size: 0.95em;
  color: #555;
  font-style: normal;
  background: none;
  padding: 0;
  margin: 0;
}

.testimonial-wrapper blockquote footer strong {
  background: none;
  color: inherit;
  font-weight: bold;
}

.product-images {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.product-image {
  max-width: 300px;
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: transform 0.3s ease;
}

.product-image:hover {
  transform: scale(1.03);
}

.doctor-videos {
  max-width: 1000px;
  margin: 60px auto;
  padding: 0 20px;
  text-align: center;
}

.video-highlights {
  max-width: 1000px;
  margin: 60px auto;
  padding: 0 20px;
  text-align: center;
}

.video-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-top: 30px;
}

.video-card {
  width: 100%;
}

.video-card h3 {
  margin-bottom: 10px;
  font-size: 1.2em;
  color: #222;
  text-align: left;
}

.video-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

@media (max-width: 768px) {
  header {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .cta-button {
    font-size: 1em;
    padding: 12px 24px;
    margin-top: 20px;
  }
}