body {
   /* user-select: none; */
   font-family: "Helvetica Neue", Arial, sans-serif;
   line-height: 1.6;
   color: #333;
   background-color: #f9f9f9;
   margin: 0;
   padding: 0;
}
/* --- HEADER STYLES --- */
.header {
   background-color: #c4170c;
   color: #fff;
   padding: 10px 0;
   width: 100%;
}
.header-content {
   max-width: 750px;
   margin: 0 auto;
   padding: 0 20px;
   display: flex;
   align-items: center;
   justify-content: space-between;
}
.header-left,
.header-right {
   display: flex;
   align-items: center;
   gap: 15px;
   flex: 1;
}
.header-right {
   justify-content: flex-end;
}
.header-logo {
   font-family: "Helvetica Neue", Arial, sans-serif;
   font-size: 1.4em;
   font-weight: 300;
   text-decoration: none;
   color: #fff;
   text-transform: uppercase;
   letter-spacing: 3px;
   text-align: center;
   flex-grow: 2;
}
.header-link {
   color: #fff;
   text-decoration: none;
   font-size: 0.9em;
   font-weight: bold;
   display: flex;
   align-items: center;
   gap: 5px;
}
.header-icon {
   width: 20px;
   height: 20px;
   fill: currentColor;
}

.container {
   max-width: 750px;
   margin: 20px auto;
   padding: 20px;
   background-color: #fff;
   border-radius: 8px;
   box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
}
h1,
h2 {
   font-family: "Georgia", serif;
   color: #111;
   text-align: center;
}
h1 {
   font-size: 2.2em;
   line-height: 1.2;
   margin-bottom: 10px;
}
.subheader {
   text-align: center;
   font-style: italic;
   font-weight: 600;
   color: #666;
   margin-bottom: 25px;
   border-bottom: 1px solid #eee;
   padding-bottom: 20px;
}

p {
   font-size: 1.2em;
   margin-bottom: 1.5em;
}

img {
   width: 100%;
   max-width: 500px;
   height: auto;
   border-radius: 10px;
   margin: 20px auto;
   display: block;
}
.cta-button {
   font-family: "Helvetica Neue", Arial, sans-serif;
   display: block;
   width: 90%;
   max-width: 500px;
   margin: 30px auto;
   padding: 15px 20px;
   background-color: #c4170c;
   color: #fff !important;
   font-size: 1.3em;
   font-weight: 400;
   text-align: center;
   text-decoration: none;
   text-transform: uppercase;
   border-radius: 10px;
   transition: background-color 0.3s ease;
   box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
.cta-button:hover {
   background-color: #a9140a;
}

/* --- NEW STYLES FOR TECH SHEET --- */
.tech-sheet {
   background-color: #f7f7f7;
   border: 1px solid #e0e0e0;
   border-radius: 10px;
   padding: 25px;
   margin-top: 40px;
}
.tech-sheet h2 {
   font-size: 1.8em;
   margin-bottom: 20px;
}
.tech-sheet h3 {
   font-family: "Helvetica Neue", Arial, sans-serif;
   font-size: 1.3em;
   color: #c4170c;
   border-bottom: 2px solid #e0e0e0;
   padding-bottom: 8px;
   margin-top: 25px;
   margin-bottom: 15px;
}
.tech-sheet p,
.tech-sheet li {
   font-size: 1.1em;
}
.tech-sheet ul {
   list-style-type: disc;
   padding-left: 25px;
}
.tech-sheet strong {
   color: #333;
}
/* --- END OF NEW STYLES --- */

.author-box {
   margin-top: 40px;
   padding: 20px;
   background-color: #f1f1f1;
   border-radius: 8px;
   display: flex;
   align-items: center;
   flex-wrap: wrap;
}
.author-box img {
   width: 140px;
   height: 150px;
   border-radius: 10px;
   margin-right: 20px;
   margin-bottom: 10px;
}
.author-info {
   font-size: 1em;
   flex: 1;
}
.disclaimer {
   margin-top: 30px;
   font-size: 0.8em;
   color: #888;
   text-align: center;
}

/* --- FOOTER STYLES --- */
.footer {
   background-color: #c4170c;
   color: #fff;
   padding: 20px;
   font-size: 0.9em;
}
.footer-content {
   max-width: 1100px;
   margin: 0 auto;
}
.footer-top {
   display: flex;
   justify-content: space-between;
   align-items: center;
   padding-bottom: 15px;
   border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.footer-bottom {
   padding-top: 15px;
   display: flex;
   justify-content: space-between;
   align-items: center;
}
.footer-logo {
   font-family: "Helvetica Neue", Arial, sans-serif;
   font-size: 1.4em;
   font-weight: 300;
   text-decoration: none;
   color: #fff;
   text-transform: uppercase;
   letter-spacing: 3px;
}
.footer-links a {
   color: #fff;
   text-decoration: none;
   margin-left: 15px;
}
.footer-links a:hover {
   text-decoration: underline;
}
.copyright {
   color: rgba(255, 255, 255, 0.8);
}

/* --- MEDIA QUERIES FOR RESPONSIVENESS --- */
@media (max-width: 768px) {
   .header-logo {
      font-size: 1em;
      letter-spacing: 2px;
   }
   .header-link span {
      display: none;
   }
   h1 {
      font-size: 1.8em;
   }
   .footer-top,
   .footer-bottom {
      flex-direction: column;
      text-align: center;
      gap: 15px;
   }
   .footer-links {
      margin-top: 10px;
   }
   .footer-links a {
      margin: 0 8px;
   }

   .author-box {
      flex-direction: column;
      align-items: center;
      text-align: center;
   }
}