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

/* Body and global styles */
body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background-color: #f8fafc;
  color: #2c3e50;
  line-height: 1.6;
}

/* Header styling */
header {
  background: #fff;
  padding: 30px 20px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  margin-bottom: 40px;
}

header .logo {
  max-width: 220px;
  height: auto;
  margin-bottom: 15px;
}

/* Changed to red-ish for headings */
header h1 {
  color: #b22222; /* Firebrick red */
  font-weight: 700;
  font-size: 2em;
  margin-bottom: 12px;
}

header .intro-text {
  color: #333;
  max-width: 700px;
  margin: 0 auto 20px;
  font-size: 1.125em;
}

.contact-info {
  font-size: 1.125em;
  color: #444;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.contact-info a {
  color: #b22222;
  font-weight: 600;
  text-decoration: none;
}

.contact-info a:hover,
.contact-info a:focus {
  color: #ff4500; /* OrangeRed */
  text-decoration: underline;
}

.whatsapp-btn {
  background: #ffd6d6; /* Light red */
  color: #b22222;
  font-weight: 700;
  padding: 8px 15px;
  border-radius: 24px;
  text-decoration: none;
  transition: background 0.3s ease, color 0.3s ease;
}

.whatsapp-btn:hover,
.whatsapp-btn:focus {
  background: #ffb3b3;
  color: #801515;
}

/* Section boxes */
.section-box {
  max-width: 900px;
  background: white;
  padding: 30px 32px 36px;
  margin: 0 auto 40px auto;
  border-radius: 20px;
  box-shadow: 0 6px 36px rgba(44, 62, 80, 0.12);
}

/* Section headings */
.section-box h2 {
  color: #b22222; /* Firebrick red */
  font-weight: 700;
  font-size: 1.8em;
  margin-bottom: 20px;
  text-align: center;
}

/* Lists */
.section-box ul {
  list-style: disc inside;
  font-size: 1.125em;
  line-height: 1.5;
}

.section-box ul li {
  margin-bottom: 10px;
}

/* Referral section styling */
.referral p {
  text-align: center;
  font-size: 1.125em;
  margin: 10px 0 20px;
  color: #333;
}

.referral-code {
  font-weight: 700;
  font-size: 1.25em;
  text-align: center;
  color: #b22222;
}

.cta-btn {
  display: inline-block;
  background: #ff4500; /* OrangeRed */
  color: white;
  border-radius: 30px;
  padding: 14px 40px;
  font-weight: 700;
  font-size: 1.25em;
  text-decoration: none;
  box-shadow: 0 6px 10px rgba(255, 69, 0, 0.6);
  transition: background 0.3s ease, box-shadow 0.3s ease;
  margin: 10px auto;
  cursor: pointer;
  text-align: center;
}

.cta-btn:hover,
.cta-btn:focus {
  background: #e03e00;
  box-shadow: 0 8px 12px rgba(224, 62, 0, 0.8);
  text-decoration: none;
}

.call-btn {
  background: #b22222 !important;
  color: white !important;
  padding: 14px 30px !important;
  margin-top: 20px !important;
  box-shadow: 0 6px 10px rgba(178, 34, 34, 0.6) !important;
}

/* Footer */
footer {
  text-align: center;
  padding: 30px 20px;
  background-color: #f3f8ff;
  font-size: 0.9em;
  color: #999;
  border-top: 1px solid #dde6f0;
  margin-top: 40px;
}

/* Responsive adjustments */
@media (max-width: 600px) {
  header h1 {
    font-size: 1.5em;
  }

  .section-box {
    padding: 20px 15px 25px;
    margin: 0 10px 30px 10px;
  }

  .cta-btn {
    width: 100%;
    padding: 14px;
  }

  .contact-info {
    flex-direction: column;
    gap: 8px;
  }
}