/* ================================
   === Blog Index (Feed) ===
   ================================ */

/* Container */
.blog-container {
  display: flex;
  align-items: flex-start;
  box-sizing: border-box;
  position: relative;
  padding-left: 2.5%;
  padding-right: 5%;
  gap: 3rem;
  background-color: #faf3e3;  /* slightly warmer, a bit more deliberate */
  max-width: 1200px;          /* cap line length of the whole layout */
  margin: 0 auto;             /* center under the navbar */
}

.blog-sidebar {
  background: #ffffff;
  padding: 1.75rem 1.5rem;
  border-radius: 10px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.12);
  border: 1px solid rgba(0,0,0,0.06);
}
/* Main content area */
.blog-main {
  flex: 1;
  margin-left: 0;
  margin-right: 5%;
  max-width: 70%;
  text-align: left;
}

.blog-intro {
  text-align: center;
  margin: -3rem 0 3rem;
}

.blog-intro .blog-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-primary, #463935);
}

.blog-intro .blog-description {
  font-size: 1.2rem;
  color: #555;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Section separator */
.section-separator {
  border: none;
  height: 3px;
  background-color: var(--color-primary, #463935);
  margin: 1em 0;
  width: 100%;
}

/* Post card wrapper */
.post-wrapper {
  position: relative;
  margin-bottom: 3rem;
}

/* .blog-post {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  margin: 2.5rem 0;
  padding: 1.5rem;
  border: 3px solid var(--color-primary, #463935);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
} */
 
.blog-post {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  margin: 2.5rem 0;
  padding: 1.5rem;
  border: 2px solid rgba(70, 57, 53, 0.5); /* softer line than full solid */
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
  transition: transform 0.15s ease-out, box-shadow 0.15s ease-out;
}
/* Post image */
.blog-post .post-image {
  flex: 0 0 40%;
  padding-right: 2%;
}

.blog-post .post-image img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  object-fit: cover;
  border: 2px solid var(--color-primary, #463935);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
}

/* Post text */
.blog-post .post-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.blog-post .post-text h2 {
  margin: 0 0 0.5rem;
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-primary, #463935);
}

.blog-post .post-text hr {
  border: none;
  border-top: 2px solid var(--color-primary, #463935);
  margin: 0.3rem 0 1rem;
  width: 100%;
}

.blog-post .post-text p {
  margin: 0 0 1rem;
  line-height: 1.6;
  font-size: 1.05rem;
  color: #333;
}

.blog-post .post-text a {
  margin-top: auto;
  font-weight: bold;
  color: #007acc;
  text-decoration: none;
}

.blog-post .post-text a:hover {
  text-decoration: underline;
  color: #005999;
}

/* Metadata (feed) */
.post-date-feed {
  position: static;
  display: block;
  font-size: 0.9rem;
  color: #555;
  margin: 0.4rem 0 1rem;
  font-style: italic;
}
/* Hero banner wrapper – uses main column width */
.blog-opener {
  margin-bottom: 2.5rem;
}

/* Background image region */
.blog-hero {
  position: relative;
  max-width: 100%;              /* no wider than .blog-main */
  margin: 2rem auto 1.5rem;
  border-radius: 12px;
  overflow: hidden;
  background-image: url("/assets/img/banner.jpeg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Dark overlay for legible text – lighter now */
.blog-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom right,
    rgba(0, 0, 0, 0.25),  /* was 0.45 */
    rgba(0, 0, 0, 0.45)   /* was 0.65 */
  );
}
/* Text inside the banner */
.blog-hero-inner {
  position: relative;
  padding: 2.5rem 2rem;
  text-align: center;
}
/* Title row – remove typewriter here so it only applies to the code span */
.blog-opener-title {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 0.7rem;
  margin: 0 0 0.5rem;
  /* no font-family here, let it inherit the normal heading font */
}

.blog-title-code {
  font-family: "Ubuntu Mono", "Courier New", monospace;  /* typewriter only here */
  font-size: 3.2rem;
  color: #ffffff;
  background: rgba(0, 0, 0, 0.35);         /* low-opacity black highlight */
  padding: 0.2em 0.75em;
  border-radius: 6px;
  border: 1px solid rgba(0, 0, 0, 0.5);
}

.blog-title-math {
  font-size: 3.2rem;
  color: #ffffff;
  /* no font-family here so MathJax uses its own math font */
}



/* Subtitle on top of the image */
.blog-opener-subtitle {
  margin: 0.35rem 0 0;
  font-size: 1.05rem;
  color: #f3f3f3;
  font-style: italic;
}

/* Keep the hr aligned with the main column beneath the banner */
.section-separator {
  border: none;
  height: 3px;
  background-color: var(--color-primary, #463935);
  margin: 0.5rem 0 1.5rem;
  width: 100%;
}

.blog-sidebar a:hover {
  color: var(--color-hover);
  text-decoration: none; /* no underline on hover */
}