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

html,body{
  height: 100%;
}

body {
  font-family:'Libre Baskerville', Georgia, serif;
  background: #f8fbfc;
  /* background: lime; */
  color: #f5f9fc;
  display: flex;
  flex-direction: column;
 }

/* Banner */
.banner {
  position: relative;
  isolation: isolate;
  background: radial-gradient(
    circle at top,
    #15172b 0%,
    #0c0f1f 60%,
    #070a14 100%
  );
  text-align: center;
  overflow: hidden;

  /* Reserve space for the wave */
  --wave-height: 40px;

  padding: 3rem 2rem calc(1rem + var(--wave-height));
}

/* Navigation */
.nav {
  position: absolute;
  top: 2rem;
  left: 2rem;
  font-size: 1.2rem;
}

.nav a {
  color: #f5f9fc;
  text-decoration: none;
  font-weight: 600;
}

/* Title */
.title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: 0.1rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 2;
}

.subtitle {
  font-style: italic;
  font-size: clamp(0.9rem, 1.2vw, 1.1rem);
  opacity: 0.9;
  position: relative;
  z-index: 2;
  /* margin-bottom: 0.75rem; reduce this */

}

/* Wave */
.wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: var(--wave-height);
  background-image: url("../images/wave.svg");
  background-repeat: repeat-x;
  background-position: bottom left;
  background-size: auto 100%;        /* keep height fixed, scale to height */
  /* animation: wave-slide 50s linear infinite; */
  pointer-events: none;
}

/* wave animaltion */
@keyframes wave-slide {
  from {
    background-position-x: 0;
  }
  to {
    background-position-x: 2400px;
  }
}
/* footer style and wave divider */
.bottom-banner {
  position: relative; 
  background: #0c0f1f;
  color: #f5f9fc;
  padding: 1rem;
  padding-top: calc(0.5rem + 20px);
  text-align: center;
  margin-top: auto;
  overflow: hidden;
}

.bottom-text {
  opacity: 0.9;
  font-size: 0.6rem
}

.footer-wave {
  background:#0c0f1f;
  position: absolute;  
  top: 0;               /* stick to top of footer */
  left: 0;
  height: 20px;
  width: 100%;
  background-image: url("../images/wave.svg");
  background-repeat: repeat-x;
  background-size: auto 100%;
  background-position: left bottom;
  z-index: 2;
  pointer-events: none;
}


/* blog post page styling */

/* Page background behind the post */
.page-background {
  background: #f8fbfc;
  padding: 4rem 1rem;
}

.post-sheet {
  background: white;
  color: #1a1a1a;

  max-width: 720px;       /* A4-like reading width */
  margin: 0 auto;         /* center horizontally */

  padding: 3rem 3rem;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  border-radius: 2px;
}
.post-title {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.post-meta {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-bottom: 2.5rem;
}

.post-body p {
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

/* content block for image */
.post-image {
  margin: 3rem 0;
  text-align: center;
}
/* image itself */
.post-image img {
  max-width: 100%;
  height: auto;
}

.post-image figcaption {
  font-size: 0.85rem;
  opacity: 0.6;
  margin-top: 0.5rem;
}
.post-page .banner {
  --wave-height: 40px;
  padding: 3rem 2rem calc(5rem + var(--wave-height));
}

.post-page .subtitle {
  margin-bottom: 3rem;
}

/* landing/index page tile formatting */
.home-content {
  background: #f8fbfc;
  padding: 3rem 1rem;
  display: flex;
  justify-content: center;
}

.post-tile {
  display: flex;
  gap: 1rem;
  align-items: center;

  max-width: 800px;
  width: 100%;

  background: #fafcfd;
  color: #1a1a1a;
  text-decoration: none;

  padding: 1rem;
  border-radius: 6px;
  border: 1px solid #dfe6eb;

  /* Shadow mostly on bottom + right */
  box-shadow: 10px 10px 0 rgba(0,0,0,0.08);
}

.post-thumb {
  width: 90px;
  height: 90px;
  object-fit: cover;
  border-radius: 6px;
  flex: 0 0 auto;
}

.post-tile-title {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.post-tile-excerpt {
  font-size: 0.95rem;
  opacity: 0.75;
  line-height: 1.4;
}
.post-tile:hover {
  transform: translateY(-2px);
}
.post-tile {
  transition: transform 150ms ease;
}
.post-list {
  display: flex;
  flex-direction: column; /* stack vertically */
  gap: 1.5rem;            /* space between tiles */
  max-width: 800px;
  width: 100%;
}
.home-content {
  background: #f8fbfc;
  padding: 3rem 1rem;
  display: flex;
  justify-content: center;
}

.post-list-title{
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.2;
  color: #1a1a1a;
}